Method and system for accessing wireless local area network

The invention discloses a method for accessing a wireless local area network, which comprises the following steps of: receiving a beaconing message sent by a network side, wherein the beaconing message carries a ultra-high handling (UHT) capacity information element and a UHT operation information element; acquiring and performing link verification on the network side according to the UHT capacity information element and the UHT operation information element; and performing associated operation by interacting the network side when the link verification is passed so as to access the wireless local area network. The invention also provides a corresponding wireless local area network system. The method and the system can greatly promote the speed of a physical layer and an MAC throughput, and maximally realize compatibility with the conventional related protocols and standards.

Preparation method of high activity lithium ion battery anode material lithium iron phosphate

The invention discloses a preparation method of high activity lithium ion battery anode material lithium iron phosphate, comprising the following steps: adding ferrous source solution of 0.05-3mol/L and phosphorus source solution in the ratio of 1:1 into a stirring reaction kettle and reacting for 0.5-8h; introducing ozone into the solution and reacting for 2-12h; aging for 2-4h, then filtering; washing and driving so as to obtain the high activity FePO4.2H2O powder; then with the FePO4.2H2O, using lithium source compound and composite carbon source as raw materials according to the mol ratio of iron, phosphorus, lithium and carbon elements of 1:1:(1-1.1):(1-10); with the absolute ethyl alcohol as the medium, mechanically activating for 0.5-10h so as to obtain the LiFePO4 precursor of the composite carbon source; then roasting at low temperature in the protective atmosphere for 4-16h so as to obtain the lithium ion battery anode material LiFePO4 of two particle sizes being 0.5-1 micron ...

Industrial preparation method of rhamnolipid biological fermentation liquor

Tumour targeting fluorescent probe and application in tumour NO test

The invention provides a tumor-targeted fluorescent probe, and application of the fluorescent probe in tumor NO detection, which belongs to the biotechnology field. The invention in particular relates to a fluorescent probe which can be targeted to a tumor tissue based on specificity. The fluorescent probe can form a complex with double-charge copper ions, and can be applied for the fluorescent imaging detection of the level of NO in the tumor. The fluorescent probe is the Top10 bacterial strain of colibacillus modified with N-(3-(2- phenyl imidazolyl)-4-hydroxy phenyl) maleimide. The fluorescent probe can be targeted to the tumor tissue quickly in a mammal body. In addition, the complex formed by the fluorescent probe and the double-charge copper ions can react with NO released in the tumor tissue, thus significantly improving the fluorescence intensity. In this way, the fluorescent probe can be used for the fluoroscopic detection of NO in the tumor tissue of a living body and the fluorescent ...

Mechanic type friction feedback central air conditioner pipeline cleaning mechansim

Post-tensioned method prestressed concrete box beam whole opening prefabricated construction method

The present invention discloses a monolithic prefabricated construction method of post-tensioned prestressed concrete box grider, which mainly comprises the following steps: moulding board, reinforcing steel bar and embedded part installation, grider concrete packing, grider concrete steaming or natural maintenance, moulding removal, tension, and postorder construction, etc, wherein, the reinforcing steel bar adopts the technologies of centralized prewing, and overall hoisting, and the tension step adopts three tension techniques of pretension, first tension and final tension; the internal die adopts a hydraulic internal die system, and the grider concrete packing step adopts the construction proposal of concrete centralized mixing, and pipeline pumping pouring, which adopts a decentralized and continuous process, and pours gradually from two ends to the middle so as to realize one-though moulding. The construction method of the present invention is suitable for monolithic prefabricated ...

Spin dependent transport measurement system under strong magnetic field environment and liquid nitrogen temperature

The invention discloses a spin dependent transport measurement system under a strong magnetic field environment and a liquid nitrogen temperature, which comprises a liquid nitrogen Dewar, a manual five-dimensional adjusting platform, a neodymium-iron-boron permanent magnet, an electric one-dimensional translation table, a manual one-dimensional lifting table, an overlong working distance objective, a wide band polarized non-sensitive beam splitter prism, a fluorescent light path and an exciting light path, wherein the manual five-dimensional adjusting platform is used for placing the liquid nitrogen Dewar and adjusting the spatial position of the liquid nitrogen Dewar; the neodymium-iron-boron permanent magnet is coaxially sleeved on the outer side of an aluminum sleeve of the liquid nitrogen Dewar and used for providing the strong magnetic field environment of measurement; the electric one-dimensional translation table is positioned below the neodymium-iron-boron permanent magnet; the ...

Method and system for accessing wireless local area network

The invention discloses a method for accessing a wireless local area network, which comprises the following steps of: receiving a beaconing message sent by a network side, wherein the beaconing message carries a ultra-high handling (UHT) capacity information element and a UHT operation information element; acquiring and performing link verification on the network side according to the UHT capacity information element and the UHT operation information element; and performing associated operation by interacting the network side when the link verification is passed so as to access the wireless local area network. The invention also provides a corresponding wireless local area network system. The method and the system can greatly promote the speed of a physical layer and an MAC throughput, and maximally realize compatibility with the conventional related protocols and standards.

Vehicle safe starting system and operating method thereof

The invention provides a vehicle safe starting system which comprises an intelligent card, a base station unit, a low-frequency antenna, a vehicle starting device, a power-supply distribution module, an anti-theft controller, a vehicle body control module, a steering wheel electronic steering lock and an engine control unit. The vehicle safe starting system is characterized in that a shell of thevehicle starting device is internally provided with a coil-wound internal shell, an anti-theft coil is wound on the coil-wound internal shell, the coil-wound internal shell is internally provided with a driving device, the upper end of the driving device is provided with a switch key, the outer periphery of the switch key is provided with a decorating ring, the lower end of the driving device is provided with a silica gel pad, the lower side of the silica gel pad is further provided with a circuit board, and the circuit board is arranged on a base connector clip connected with the shell. The invention ...

Shell type heat exchanger possessing rapid desmutting function

The invention relates to a shell-and-tube heat exchanger provided with a function of rapidly removing dirt. The invention relates to the shell-and-tube heat exchanger and aims at the problems that when existing secondary wastewater heat exchanger removes dirt, the structure is complex, assembling and disassembling and washing is not convenient, a heat exchange tube is easy to be blocked, and heat (cold) loss is much. A circulating water heat exchange cavity (5) is arranged between a circulating water intake cavity and a circulating water exit cavity. A plurality of baffles (3) are arranged alternatingly up and down on upper end and bottom end of a circulating water heat exchange cavity (4). A heat exchange tube bundle (2) is arranged in the circulating water heat exchange cavity (5) passing through corresponding baffle (3). The heat exchange tube bundle (2) is connected with the circulating water intake cavity and the circulating water exit cavity. One end of a rotating shaft (12) is arranged ...

Method for separating and recycling sulfur, iron and selenium from selenic acid mud

The invention discloses a method for separating and recycling sulfur, iron and selenium from selenic acid mud, which comprises the following steps: firstly, adding elemental sulfur soaked in keroseneinto selenic acid mud, filtering and separating hot kerosine containing the elemental sulfur and desulfurization slag containing selenium and iron; separating the elemental sulfur out after cooling the hot kerosene; secondly, adding the desulfurization slag containing selenium and iron to a mixture solution of sulfuric acid and sodium chlorate, filtering and separating oxidized leaching solution and residual slag containing iron, adding sodium sulfite and thiourea into the oxidized leaching solution sequentially, and finally obtaining coarse selenium and a solution after selenium sunk throughreduction. The total recovery rate of sulfur is 97- 98%, the grade of selenium reaches 92-93%, and the total recovery rate of selenium is 94-95%. The invention has the advantages of convenient operation, ...

Method for verifying computer user identity based on keystroke scrambling characteristic

The invention relates to a method for verifying a computer user identity based on a keystroke scrambling characteristic, which is implemented by the following steps: extracting the minimum keystroke scrambling segment of a user to serve as a keystroke scrambling characteristic successively by analyzing the keystroke operation behaviors of the computer user, establishing an identity characteristictemplate for the computer user based on the keystroke scrambling characteristic, and performing identity verification and identity monitoring on the computer user. The method for verifying the computer user identity based on the keystroke scrambling characteristic has the advantages that the keystroke scrambling characteristic is free from the restraint that the traditional keystroke characteristic is influenced by time precision, and uses a keystroke event sequence format to describe the behavior characteristic of a user reflected in the keystroke process, thus distinguishing different users; and ...

Spin dependent transport measurement system under strong magnetic field environment and liquid nitrogen temperature

The invention discloses a spin dependent transport measurement system under a strong magnetic field environment and a liquid nitrogen temperature, which comprises a liquid nitrogen Dewar, a manual five-dimensional adjusting platform, a neodymium-iron-boron permanent magnet, an electric one-dimensional translation table, a manual one-dimensional lifting table, an overlong working distance objective, a wide band polarized non-sensitive beam splitter prism, a fluorescent light path and an exciting light path, wherein the manual five-dimensional adjusting platform is used for placing the liquid nitrogen Dewar and adjusting the spatial position of the liquid nitrogen Dewar; the neodymium-iron-boron permanent magnet is coaxially sleeved on the outer side of an aluminum sleeve of the liquid nitrogen Dewar and used for providing the strong magnetic field environment of measurement; the electric one-dimensional translation table is positioned below the neodymium-iron-boron permanent magnet; the ...

Novel technique for synthesizing toroid quinazoline protein tyrosine kinase restrainer

The invention relates to a new technique for synthesizing a compound spiro quinazoline protein tyrosine kinase inhibitor with a structural formula shown in the general formula (I). In the technique, 4-(3-chlorine-4-fluorine-anilino group)-6-hydroxy-7-methoxy-quinazoline reacts with 2-bromine-1, 1-dimethoxy alkane and then is subject to de-protection to obtain an intermediate which reacts with thegeneral formula(VI) so as to generate an end product (I); wherein, X, Y are selected from an O atom or an S atom, m is equal to 1-3 and n is equal to 1-4.

Concealed type heat pipe heating installation heat abstractor

The utility model discloses a concealed type heat pipe heating installation heat abstractor contains several microchannel flat plate heat pipe, is equipped with the water tank of water inlet and delivery port. Microchannel flat plate heat pipe's evaporation zone is placed in the water tank of lower part, absorbs hydrothermal heat in the water tank, intraductal medium through the phase transition with the condensation segment of heat transfer to microchannel flat plate heat pipe, the heat is in the condensation segment transmits the room through convection current and radiation dual mode, the condensation segment imbed in the wall body, its surface and wall parallel and level, the outward appearance subsides are with the wall paper or whitewash the better coating of heat conductivility. Theutility model discloses a form that concealed type heat pipe heating installation heat abstractor adopted microchannel flat plate heat pipe and hot -water heating system to combine together, compactstructure ...

Signal-timing method/device and fine frequency offset estimation method/device

The invention relates to a signal-timing method. The method comprises the following steps: conducting the delay-related operation on a received signal; normalizing the result of the delay-related operation; and using the position of a maximum value after normalization as an estimation value of the start position of an orthogonal frequency division multiplexing (OFDM) signal. The method utilizes the structural characteristics of a long training sequence in an 802.11n system, provides a signal-timing algorithm with only one relevant peak and effectively avoids the pseudo-relevant peak phenomenon caused by CSD. In addition, the invention adopts a delay-related algorithm to time the signal and eliminates the influence of the frequency offset of two segments of related data by a modular operation, thereby preventing the delay-related algorithm from being influenced by the frequency offset, realizing the delay-related algorithm by sliding relation and greatly reducing the multiplication andaddition ...

Method for producing industrial-grade ammonium dimolybdate by combination method

The invention relates to a method for producing industrial-grade ammonium dimolybdate by a combination method. The method comprises the following steps: adding pure water and ammonia water into industrial ammonium molybdate which is taken as a raw material, dissolving ammonium and evaporating, aging and crystallizing to separate out ammonium dimolybdate, wherein the crystallization rate is more than 87%; and separating solid from liquid for crystallization mother liquor, and carrying out acid precipitation to obtain ammonium polymolybdate, wherein the comprehensive recovery of molybdenum can be up to more than 99%. By using the invention, the purity of the ammonium dimolybdate is greatly improved, the product quality can reach the national level, the operation is simple and convenient, and the equipment is simple, therefore, the method has very good application value.

Preparation method of lithium iron phosphate oxide of cathode material of lithium ion battery

The invention discloses a preparation method of lithium iron phosphate oxide of cathode material of a lithium ion battery, which comprises the following steps: adding ferrous ion aqueous solution with the concentration of 0.05-2mol/L and ammonium dihydrogen phosphate solution into a reactor according to the ratio of 1: 1; reacting for 0.2-2h under the conditions that the reaction temperature is 50-90 DEG C and the stirring speed is 400-1200rpm; adding excessive hydrogen peroxide and reacting for 0.2-2h, and ageing, filtering, washing and drying to obtain precursor iron phosphate powder; mixing the iron phosphate powder, lithium ions in a lithium source and carbon atoms in a carbon source according to the mol ratio of 2: 2: 0.1-0.6 by taking absolute ethanol as a medium, and then putting into a planetary ball mill for grinding to obtain precursor solution of the lithium iron phosphate oxide; and then roasting to obtain the lithium iron phosphate oxide with the particle diameter of 0.5-5Mum ...

Multiple tunnel concurrent model implementation method based on virtual network card technology

The invention relates to a multiple tunnel concurrent model implementation method based on virtual network card technology, which comprises the following steps: when a tunnel is built, a virtual address is obtained by applying the processing course of the procedure, the use case of the virtual network card is carried out, file description words communicating with the virtual network card are established; after the virtual network card receives the data transmitted by a protocol stack, transmits the data packet to the corresponding file description words according to the destination address ofa data packet, thus processing the data packet by the right processing course; the processing course of every tunnel is divided into tunnel establishment, data transmitting and tunnel dismantling; when the tunnel is established, a client sends tunnel establishing requests, a new course of the application procedure fork of a tunnel gateway processes the requests; after the tunnel is successfully established ...

UNDERWATER LIGHTING, AND SYSTEM AND METHOD FOR ILLUMINATION AND WIRELESS OPTICAL COMMUNICATION

According to an embodiment of the present invention, disclosed is an underwater optical communication and lighting system using a blue laser diode directly encoded by spectrum-efficient quadrature amplitude modulation-orthogonal frequency division multiplexed (QAM-OFDM) data. A wide band light source can be used to provide a lighting to both of an area of interest and an underground optical communication area far from the area of interest. COPYRIGHT KIPO 2018 ...

método implementado por computador para proteger dados sensíveis armazenados em um protocolo de confiança mantido por uma rede de protocolo de confiança, meio de armazenamento não transitório, legível por computador e sistema

Timing device of streetlight control box and timing method

The invention discloses a timing device of a streetlight control box and a timing method. The method comprises a GPS signal receiver, a GPS signal processing chip and a singlechip control chip which are sequentially connected with each other. The method comprises the following steps of: receiving a GPS satellite signal; filtering the received signal; processing the filtered signal; converting the signal into a digital signal; storing the digital signal; judging whether the digital signal is an integral point signal; converting the integral point signal into a PPI signal, and writing the PPI signal into a PLC storage unit of a streetlight controller; and judging a non-integral point signal after stopping for N seconds. The invention directly receives a satellite synchronous signal with a GPS global positioning system. The invention only can be arranged in the control box to eliminate a great number of equipment investment cost, eliminates the labor cost when automatically timing, and can ...

Dry pipe shell type sewage water source heat pump machine unit with rapid decontamination function

A dry shell-tubular sewage-supply heat pump unit provided with a quick decontamination function relates to a dry shell-tubular sewage-supply heat pump unit and aims at solving the problems of the existing sewage-supply heat pump unit that when a sewage-water heat-exchanging means is adopted, the heat exchanging pipe are often blocked, the heat-conduction temperature difference is small and the required heat exchanging area is large; when the sewage-refrigerant heat exchanging means is adopted, the quantity of injected refrigerant is big and the required equipment is large. A sewage side-drying heat exchanger adopts a first, second, third, fourth, fifth and sixth pipes to be communicated with a heat exchanger, and the heat exchanger, sewage side-drying heat exchanger, a compressor, a steam-liquid separator provided with a heat exchanger are communicated through a four-way directional control valve, a seventh, eighth, ninth, tenth and eleventh pipes. A liquid storing device is communicated ...

Device and method for dynamically measuring thermal physical parameters of film

The invention relates to a device for dynamically measuring thermal physical parameters of a film. The main body of the device provided by the invention comprises a heat source, a heat wave signal source, one-dimensional heat conductors, a data acquisition device, a data processing device, a heat insulating material and a heat radiating fin, wherein each one-dimensional heat conductor comprises two cylindrical sticks which are completely identical; a sample to be measured is sandwiched between the two one-dimensional heat conductors; the heat insulating material integrally wraps the one-dimensional heat conductors and the sample to be measured, thereby reducing heat exchange between the conductor sticks and the outside to the greatest extent; the two ends of the two one-dimensional heat conductors, which are not in contact with the sample to be measured, are respectively connected with two thermoelectric modules; and the other ends of the two thermoelectric modules are respectively connected ...

Construction technology of spatial variable curved surface reinforced concrete irregular barrel group structure

The invention relates to a construction technology of spatial variable curved surface reinforced concrete irregular barrel group structure, comprising some bottom-up segments constructed one by one according to the design drawing of each segment; and each segment comprises the following construction steps: 1), measuring and positioning the positioning X', Y' axes of the digital axis and letter axis control axis of the whole irregular barrel group horizontal plane and the planar grid positioning template of each regular barrel obtained after the digital axis and letter axis control axis is offset according to the design drawing; 2), manufacturing the planar grid positioning template; 3), setting up the support steel pipe bent frame of an irregular barrel outer mold; 4), mounting the planar grid positioning template; 5), carrying out altitudinal measurement and positioning of planar grid positioning template of each irregular barrel and checking the positioning X', Y' axes; 6), constructing ...

Internal electrolytic processor for wastewater

The invention discloses an internal electrolytic processor for wastewater, which comprises a reaction pool, a water inlet pipe and a water outlet tank, wherein iron powder, activated carbon or iron powder are filled in the reaction pool, and a spiral elevator is arranged in the reaction pool and is used for crushing and elevating the agglomerated iron powder, activated carbon or iron powder in the reaction pool above the reaction pool; and the crushed iron powder, activated carbon or iron powder are put in the reaction pool again. The invention has simple structure, convenient implementation, can solves the problem of agglomeration in the internal electrolysis process and the problem that main energy is absorbed by water in the microwave irradiation process, and is suitable for sewage and wastewater treatment industry.

Construction technology of spatial variable curved surface reinforced concrete irregular barrel group structure

The invention relates to a construction technology of spatial variable curved surface reinforced concrete irregular barrel group structure, comprising some bottom-up segments constructed one by one according to the design drawing of each segment; and each segment comprises the following construction steps: 1), measuring and positioning the positioning X', Y' axes of the digital axis and letter axis control axis of the whole irregular barrel group horizontal plane and the planar grid positioning template of each regular barrel obtained after the digital axis and letter axis control axis is offset according to the design drawing; 2), manufacturing the planar grid positioning template; 3), setting up the support steel pipe bent frame of an irregular barrel outer mold; 4), mounting the planargrid positioning template; 5), carrying out altitudinal measurement and positioning of planar grid positioning template of each irregular barrel and checking the positioning X', Y' axes; 6), constructing ...

Methods and devices for generating physical subframe and physical layer superframe

The invention discloses a method for generating a physical subframe, which comprises: generating a control field comprising a transmission station identifier and information for use in a computer allocation vector; and aggregating the control field and a data field comprising one or more continuous subfields to generate the physical subframe. The invention also discloses a device for generating the physical subframe and a method and a device for generating a physical layer superframe.

Improved evaporation refrigeration air conditioner

The invention discloses an improved evaporative refrigerating air conditioner, wherein, heat exchangers are arranged in a shell; a spray system is arranged on the upper part of the heat exchangers; a water reservoir is arranged under the heat exchangers; the heat exchangers are vertical aluminum foil plates which are parallelly arranged and the gaps among which are uniformly provided with connecting support poles; two sides in each gap are provided with sealing support strips; water distributing boxes sealing top side gaps are arranged at intervals in the gaps uniformly distributed on the topsides; an outlet is respectively arranged on the upper part of one side in each gap the top side of which is sealed, so that the heat exchangers are arranged parallelly at intervals and provided witha dry channel and a wet channel provided with inlets and outlets; metal net braces are respectively uniformly arranged in the dry channel and the wet channel; a metal grid group is arranged in a direct evaporative ...

Preparation method of lithium iron phosphate oxide of cathode material of lithium ion battery

The invention discloses a preparation method of lithium iron phosphate oxide of cathode material of a lithium ion battery, which comprises the following steps: adding ferrous ion aqueous solution withthe concentration of 0.05-2mol/L and ammonium dihydrogen phosphate solution into a reactor according to the ratio of 1: 1; reacting for 0.2-2h under the conditions that the reaction temperature is 50-90 DEG C and the stirring speed is 400-1200rpm; adding excessive hydrogen peroxide and reacting for 0.2-2h, and ageing, filtering, washing and drying to obtain precursor iron phosphate powder; mixingthe iron phosphate powder, lithium ions in a lithium source and carbon atoms in a carbon source according to the mol ratio of 2: 2: 0.1-0.6 by taking absolute ethanol as a medium, and then putting into a planetary ball mill for grinding to obtain precursor solution of the lithium iron phosphate oxide; and then roasting to obtain the lithium iron phosphate oxide with the particle diameter of 0.5-5Mum ...

FILM ADHERING MECHANISM

A film adhering mechanism includes a base, a film adsorbing platform, at least two flexible members, a vacuum generator; and an electromagnetic valve. The film adsorbing platform includes a main body positioned on the base, and a protective pad covered on the main body away from the base. The at least two flexible members are separately mounted on the base, and pass through the main body and the protective pad, and protrude from the protective pad. A gas inlet and a first adsorbing hole communicating with the gas inlet are defined in the main body. A second adsorbing hole is defined in the protective pad communicating with the first adsorbing hole. The vacuum generator communicates with the gas inlet, and the electromagnetic valve controls the vacuum generator. 1. A film adhering mechanism comprising:a base;a film adsorbing platform comprising a main body positioned on the base and a protective pad placed on the main body away from the base;at least two flexible members separately mounted on the base, passing through the main body and the protective pad, and protruding from the protective pad;a vacuum generator; andan electromagnetic valve, wherein a gas inlet and a first adsorbing hole communicating with the gas inlet are defined in the main body, a second adsorbing hole is defined in the protective pad communicating with the first adsorbing hole, the vacuum generator communicates with the gas inlet, and the electromagnetic valve controls the vacuum generator.2. The film adhering mechanism of claim 1 , further comprising at least one guide member positioned on the main body claim 1 , wherein a through hole is defined in the protective pad claim 1 , and the at least one guide member protrudes through the through hole.3. The film adhering mechanism of claim 2 , wherein the at least one guide member resists against a sidewall of the through hole.4. The film adhering mechanism of claim 1 , wherein a receiving groove is defined in the main body claim 1 , and the ...

Solar driven coaxial traveling wave starting and standing wave cooling device

The invention relates to a solar-driven coaxial traveling wave starting and standing wave refrigerating device, which comprises a traveling wave thermoacoustic engine and a standing wave thermoacoustic refrigerating machine with coaxial structures, and also comprises a resonatron which is connected between the traveling wave thermoacoustic engine and the standing wave thermoacoustic refrigerating machine, a solar light-accumulating device and a solar light-transmitting device which are arranged in front of the traveling wave thermoacoustic engine, a resonant cavity which is arranged on the rear of the standing wave thermoacoustic refrigerating machine, and a fused salt annular box which is coated on the outside of a heat exchanger on the hot end of the traveling wave thermoacoustic engine. Due to organic axial arrangement of the traveling wave thermoacoustic engine and the standing wave thermoacoustic refrigerating machine, the solar-driven coaxial traveling wave starting and standing wave ...

Method used for data sending of subchannel-modulation mode and device

The invention relates to a method used for data sending of a subchannel-modulation mode, comprising a DATA part for utilizing a first modulation coding mode to construct a first physical frame unit by a first MAC frame, a DATA part for utilizing a second modulation coding mode to construct a first physical frame unit by a second MAC frame, a combining structure for combining the first physical frame unit and the second physical frame unit into a physical frame unit, and a physical layer superframe, wherein, the first modulation coding mode is a modulation coding mode defined in 802.11a/g/n protocol; and the second modulation coding mode is a modulation coding mode based on the subchannel-modulation mode and the physical layer superframe is used for sending combining structures containing the physical frame units. The method not only can lead the currently-transmitted frame header to be read and understood by other subchannel-modulation mode sites, but also can lead the frame header to be ...

FEEDING DEVICE

A feeding device in manufacturing which is configured to feed a carrier tape includes a transmission mechanism and a buffering mechanism. The transmission mechanism is configured to receive the carrier tape and transfer the carrier tape to the buffering mechanism. The buffering mechanism includes a slide assembly, a feeder assembly, and an inductor. The slidable feeder assembly is mounted to the slide assembly, and is configured to receive the carrier tape transferred from the transmission mechanism. The slide assembly moves the feeder assembly. The inductor is mounted to one side of the slide assembly, and senses distances from the feeder assembly, to control a feeding speed of the transmission mechanism. 1. A feeding device configured to feed a carrier tape , comprising:a transmission mechanism; a slide assembly;', 'an inductor mounted to the slide assembly;', 'a feeder assembly slidably mounted to, and movable by, the slide assembly; and'}], 'a buffering mechanism having'}wherein, the carrier tape is received by the transmission mechanism and fed into the feeder assembly;wherein, the inductor controls the speed of the transmission mechanism.2. The feeding device as claimed in claim 1 , wherein:the feeding device further comprises a bracket and a fastening mechanism; andthe fastening mechanism and the buffering mechanism are arranged to either side of the bracket, and the transmission mechanism is arranged between the fastening mechanism and the buffering mechanism.3. The feeding device as claimed in claim 2 , wherein:the bracket comprises a first column, a second column, a third column, a fourth column, and an electronic control box;the fastening mechanism is mounted to the first column, the transmission mechanism is mounted to the second column, and the buffering mechanism is mounted to the third column; andthe electronic control box is electrically connected to the transmission mechanism and the buffering mechanism.4. The feeding device as claimed in claim 3 , ...

Safe-starting device of car

The utility model relates to a safe-starting device of a car. The safe-starting device comprises an intelligent car, a base station unit, a car starting device, a power-supply distribution module, an anti-theft controller, a car body controlling module, a steering-wheel electronic steering lock and an engine controlling unit. The safe-starting device is characterized in that a shell of the car starting device is internally provided with a built-in shell of a wound coil, an anti-theft coil is wound on the built-in shell of the wound coil, the built-in shell of the wound coil is internally provided with a transmission device, a switch button is arranged at the upper end of the transmission device, decorating rings are arranged around the outside of the switch button, a silica gel pad is arranged at the lower end of the transmission device, a circuit board is arranged at the lower side of the silica gel pad, and the circuit board is arranged on a base plug connector connected with the shell ...

Image denoising method in transmission line intelligent monitoring system

The invention relates to an image denoising method in a transmission line intelligent monitoring system. The method is mainly used for filtering out noise in an image which is acquired by a video monitoring system and solving the problems of reduction of picture contrast and edge and the like under the conditions of dense fog, sand and dust and other severe weather. The image denoising method comprises the following steps of: smoothening the image by employing an anisotropy-based filter to estimate noise energy of each pixel point of the image so as to calculate a filtering residual function; taking the filtering residual function in a pixel neighborhood range as context features of the image; quantifying a context vector which corresponds to each pixel to 32 levels through a vector quantizer by employing a dynamic programming algorithm; and finally, constructing a filter with different parameters for all pixels on each level by employing a regression analysis method so as to enhance the ...

Post-tensioned method prestressed concrete box beam whole opening prefabricated construction method

Accessing method and accessing device

The invention discloses an accessing method applied to the wireless local area network, which comprises the following steps of: listening an idle frequency band in a channel; entering a withdrawal process after a continuous idle time of the idle frequency band achieves DIFS; and sending a packet by using the idle frequency band after the withdrawal process is ended and accessing. The method is suitable for nodes using a 802.11n system with 20MHz bandwidth, the two nodes using the 802.11n system with the 20MHz bandwidth are accessed at the same time, each node uses a sub-band, i.e. a half of the whole 40 MHz bandwidth, to access; and one node using the 802.11n system with the 20MHz bandwidth and one node of a 802.11a/g system are accessed at the same time. The invention also discloses an accessing device.

Polarization resolution differential reflection spectrum measuring system

The invention discloses a polarization resolution differential reflection spectrum measuring system, comprising a liquid nitrogen Dewar, a manual three-dimensional translation stage, an achromatic lens, an exciter used for vibrating a lens periodically, a wide band quarter wave plate, a dual-output Gran-Taylor prism, a wide band linear polarizer and a wide band half wave plate, a monochromator, an ultra continuous white light source, a detector, two phase-locked amplifiers and a chopper. By utilizing the system disclosed by the invention, the polarization resolution differential reflection spectrum of a sample at 77-300K can be measured by adopting a low temperature Dewar, thus the energy band structure and characteristics of substances related to spin can be researched and analyzed.

WELDING DEVICE

A welding device for welding and transmitting belts includes a feeding mechanism, a positioning mechanism, a welding mechanism, and a control unit. The feeding mechanism is used for storing and transmitting the belts to the positioning mechanism. The positioning mechanism receives and positions the belts. The welding mechanism includes a cylinder assembly and a welding assembly connected to the cylinder assembly driven by the cylinder assembly in a vertical direction and in a horizontal direction, whereby the welding assembly is horizontally and vertically moved to the positioning mechanism. The control unit controls an operation of the feeding mechanism, the positioning mechanism, and the welding mechanism. 1. A welding device for welding and transmitting belts , the welding device comprising:a feeding mechanism configured to store and transmit the belts;a positioning mechanism configured to receive the belts from the feeding mechanism and position the belts;a welding mechanism including a cylinder assembly and a welding assembly connected to the cylinder assembly configured to be driven by the cylinder assembly in a vertical direction and in a horizontal direction, whereby the welding assembly horizontally and vertically moved to the positioning mechanism; anda control unit configured to control an operation of the feeding mechanism, the positioning mechanism, and the welding mechanism.2. The welding device as claimed in claim 1 , wherein claim 1 , the welding device further includes a bracket claim 1 , and the bracket includes three supporting elements to house and support the feeding mechanism claim 1 , the positioning mechanism claim 1 , and the welding mechanism; and the three supporting elements includes:a first supporting element configured to install the feeding mechanism;a second supporting element configured to install the positioning mechanism; anda third supporting element configured to install the welding mechanism.3. The welding device as claimed in ...

Method for preparing zanamivir intermediate serving as compound resisting highly pathogenic avian influenza

The invention relates to a method for preparing zanamivir intermediate serving as compound resisting highly pathogenic avian influenza (5-acetylamino-3,5-didehydro-D-glycerol-D-galactose-2-enol methyl palmitate). The method comprises: obtaining hydrogen chloride solution of methanol through the reaction of acyl chloride and methanol, wherein the weight ratio of the acyl chloride to the methanol is 1:100-1,000; adding sialic acid to the hydrogen chloride solution of methanol, stirring, heating, performing reaction at the temperature between 20 and 60 DEG C for 2 to 8 hours, adding 0.1 equivalent (mol) of sodium acetate, adjusting pH between 6 and 7, continuing to stir for 10 minutes and stopping reaction, wherein the weight ratio of the sialic acid to the hydrogen chloride solution of methanol is 1:2-20, and reaction temperature is 20 to 60 DEG C; performing concentration under reduced pressure, performing distillation under reduced pressure till drying the obtained product and using water ...

Method for removing coating of quartz glass colour filter

The present invention adopts the procedures of degreasing, defatting, acid-washing and oxidizing, etc. to clean black deposition of quartz filter glass so as to make the quartz filter glass can be repeatedly used.

Completely detachable and assembled shell type heat exchanger possessing rapid desmutting function

The invention provides a totally detachable pipe shell heat exchanger with quick filth removal function, relating to a pipe shell heat exchanger, aiming at the problems that the prior secondary sewage heat exchanger has a complicated integral structure, is inconvenient in disassembly, assembly and washing and consumes much time and labor in removing the filth, is easy to block a heat exchange tube, and has great heat (refrigeration capacity) loss. A heat exchange cavity is respectively detachably connected with a water inlet cavity and a water outlet cavity of circulating water or a refrigerant; two choke plug clapboards in the heat exchange cavity and a plurality of intermediate diaphragms are arranged up and down alternatively; rubber pads in the intermediate diaphragms are detachably connected with two splints; rubber pads of the choke plug clapboards are detachably connected with two choke plug splints; one end of a rotating shaft passes through a first tube plate, choke plug clapboards ...

Solar driven coaxial traveling wave starting and standing wave cooling device

The invention relates to a solar-driven coaxial traveling wave starting and standing wave refrigerating device, which comprises a traveling wave thermoacoustic engine and a standing wave thermoacoustic refrigerating machine with coaxial structures, and also comprises a resonatron which is connected between the traveling wave thermoacoustic engine and the standing wave thermoacoustic refrigeratingmachine, a solar light-accumulating device and a solar light-transmitting device which are arranged in front of the traveling wave thermoacoustic engine, a resonant cavity which is arranged on the rear of the standing wave thermoacoustic refrigerating machine, and a fused salt annular box which is coated on the outside of a heat exchanger on the hot end of the traveling wave thermoacoustic engine. Due to organic axial arrangement of the traveling wave thermoacoustic engine and the standing wave thermoacoustic refrigerating machine, the solar-driven coaxial traveling wave starting and standingwave ...

Micrometering system for measuring electro-spin fluorescence

The invention relates to a micrometering system for measuring electro-spin fluorescence, which is characterized by comprising a micro Raman spectrometer, a broad-band line polaroid sheet, a broad-band one-fourth wave plate, a magnet system, a digital voltage source meter and an over-long operating distance microobjective. The micro Raman spectrometer, the broad-band line polaroid sheet and the broad-band one-fourth wave plate are spaced by preset distances and positioned in a same light path; the digital voltage source meter is connected in parallel with the magnet system; and the over-long operating distance microobjective is positioned between the broad-band one-fourth wave plate and the magnet system and is in the same light path with the broad-band one-fourth wave plate and the magnet system.

6H-IMIDAZO[4,5,1-ij]QUINOLONE, SYNTHESIS METHOD AND USE THEREOF

The present invention relates to the technical field of chemical synthesis of pharmaceutical chemicals, and provides a 6H-imidazo[4,5,1-ij]quinolone, a synthesis method and use thereof. 6H-imidazo[4,5,1-ij]quinolone derivatives provided by the present invention are a novel group of active quinolone derivatives, which have tumor cell inhibition activity and exhibit ICvalues equivalent to anti-lung cancer drug osimertinib; these quinolone derivatives have a broad application prospect in the preparation of antitumor drugs. The 6H-imidazo[4,5,1-ij]quinolone provided by the present invention is of high research and application value and has potential application prospects in fields of pharmaceutical chemicals, materials, dyes, etc. The present invention uses thioquinolinainide as a raw material to synthesize 6H-imidazo[4,5,1-ij]quinolones, featuring simple operation, excellent selectivity, high yield, mild reaction conditions, and easy product separation. 2. The 6H-imidazo[4 claim 1 ,5 claim 1 ,1-ij]quinolone according to claim 1 , wherein: when the Rin formula I is alkyl claim 1 , the alkyl is linear alkyl or cycloalkyl; when the Rin formula I is substituted aryl claim 1 , the substituted aryl is 4-methylphenyl claim 1 , 4-fluorophenyl claim 1 , or 2-chlorophenyl.3. The 6H-imidazo[4 claim 2 ,5 claim 2 ,1-ij]quinolone according to claim 2 , wherein the cycloalkyl is cyclopropyl.5. The synthesis method according to claim 4 , wherein a molar ratio of the copper salt to the thioquinolinamide with the structure of formula II is (0.01-0.5):1.6. The synthesis method according to claim 4 , wherein the copper salt is one or more of cupric bromide claim 4 , copper chloride claim 4 , cuprous iodide claim 4 , cuprous bromide claim 4 , cuprous chloride claim 4 , copper acetate claim 4 , copper oxide claim 4 , and cuprous oxide.7. The synthesis method according to claim 4 , wherein the oxidant is one or more of (diacetoxyiodo)benzene claim 4 , [bis(trifluoroacetoxy)iodo]benzene claim ...

Method for judging identity based on keyboard-mouse crossed certification

The invention discloses a method for judging an identity based on keyboard-mouse crossed certification, which organically combines keystroke behavior certification and mouse behavior certification together and comprises the following steps: selecting the keystroke behavior certification or the mouse behavior certification as a preferred mechanism or an alternative mechanism for identity certification at random in the process of registering an identity by a user; allowing the user to pass the certification when the preferred identity certification mechanism certification is successful; using the alternative certification mechanism to perform identity certification again when the preferred identity certification mechanism certification is failed; adopting the mouse behavior certification to perform identity certification again when detecting that the keystoke behavior of the user is abnormal in the process of identity monitoring of the user; and adopting the keystroke behavior certification ...

Process of synthesizing fexofenadine intermediate

Industrial preparation method of rhamnolipid biological fermentation liquor

The invention relates to a preparation method for rhamnolipid bio-fermentation fluid. The preparation method comprises the steps that: aeruginosa pseudomonas is produced by materials extracted from the soil which is contaminated by petroleum, separated and purified; the aeruginosa pseudomonas is mutated by nitroso guanidine, so as to obtain the aeruginosa pseudomonas VTS-1(Pseudomonas sp.VTS-1) with the preservation number: CGMCC2200. The fermentation culture has the steps that: A. the stain VTS-1 is inoculated into a shake flask to be cultured; B. a first grade fermenting culture is done; C.a second grade fermenting culture is done; D. the fermenting culture is done. The technique has the advantages of high yielding, high efficiency and charging coefficient, short fermentation period and simple technique, leading the product comprehensive cost to be lowered and being fully suitable for industrialized production and having great contribution to popularization and large-scale application ...

Mechanical type friction feedback central air-conditioning tube cleaning mechanism

The invention discloses a mechanical friction feedback cleaning mechanism for a central air conditioning pipe. A motor output power belt drives a driving gear which drives two groups of double chute swing mechanisms which are of the same structure and symmetrically arranged on a cleaning base to rotate. The driven belt wheels of the two double chute swing mechanisms are provided with brushes. Two pairs of chutes and holes on the cleaning base and the brushes form the double chute swing mechanisms by the connection of an axis and cause the brush to cling to the wall surface to clean by the friction feedback, thus achieving effective cleaning when walking error occurs and the pipe section changes, furthermore, the larger the friction on the wall surface is, the larger the forward pressure on the wall surface is, therefore, the dirtier the wall surface is, the higher the cleaning efficiency is. A fastening mechanism regulates the belt tension, thus regulating the cleaning degree and realizing ...

Making process of one-way fiber fabric

Firstly, the fibres are parallelly-arranged, the bulk tensile force of the fibres is controlled, then combined with fibre network or resin network whose two sides are coated with glue and fed into heating zone together, the network glue is heated and method, under the action of pressure of pressure roller the parallelly-arranged unidirectional fibres are bonded and fixed together so as to quicklyform continuous fibre single cloth. Said invention not only can use large tow fibre as raw material but also can use small tow fibre as raw material. Said composite material possesses excellent mechanical property.

Novel technique for synthesizing toroid quinazoline protein tyrosine kinase restrainer

The invention relates to a new technique for synthesizing a compound spiro quinazoline protein tyrosine kinase inhibitor with a structural formula shown in the general formula (I). In the technique, 4-(3-chlorine-4-fluorine-anilino group)-6-hydroxy-7-methoxy-quinazoline reacts with 2-bromine-1, 1-dimethoxy alkane and then is subject to de-protection to obtain an intermediate which reacts with the general formula(VI) so as to generate an end product (I); wherein, X, Y are selected from an O atom or an S atom, m is equal to 1-3 and n is equal to 1-4.

Tumour targeting fluorescent probe and application in tumour NO test

The invention provides a tumor-targeted fluorescent probe, and application of the fluorescent probe in tumor NO detection, which belongs to the biotechnology field. The invention in particular relates to a fluorescent probe which can be targeted to a tumor tissue based on specificity. The fluorescent probe can form a complex with double-charge copper ions, and can be applied for the fluorescent imaging detection of the level of NO in the tumor. The fluorescent probe is the Top10 bacterial strain of colibacillus modified with N-(3-(2- phenyl imidazolyl)-4-hydroxy phenyl) maleimide. The fluorescent probe can be targeted to the tumor tissue quickly in a mammal body. In addition, the complex formed by the fluorescent probe and the double-charge copper ions can react with NO released in the tumor tissue, thus significantly improving the fluorescence intensity. In this way, the fluorescent probe can be used for the fluoroscopic detection of NO in the tumor tissue of a living body and the fluorescent ...

Anti-tripping protection circuit of circuit breaker

The invention discloses an anti-tripping protection circuit of a circuit breaker, which realizes fully accurate anti-tripping protection action of the circuit breaker and enhances the safety of circuit use. The invention is realized through the following technical scheme that: the anti-tripping protection circuit of the circuit breaker comprises a first relay, a second relay, an anti-tripping relay, a first control switch, a second control switch and a closing coil, wherein the anti-tripping relay comprises a first anti-tripping relay contact, a second anti-tripping relay contact and an anti-tripping relay coil; the first relay comprises a first relay contact; the second relay comprises a second relay contact; the first relay contact, the second relay contact, the first anti-tripping relay contact, the first control switch and the closing coil are connected in series in turn; and one end of the second anti-tripping relay contact is connected between the second control switch and the anti-tripping ...

Multiple tunnel concurrent model implementation method based on virtual network card technology

The invention relates to a multiple tunnel concurrent model implementation method based on virtual network card technology, which comprises the following steps: when a tunnel is built, a virtual address is obtained by applying the processing course of the procedure, the use case of the virtual network card is carried out, file description words communicating with the virtual network card are established; after the virtual network card receives the data transmitted by a protocol stack, transmits the data packet to the corresponding file description words according to the destination address of a data packet, thus processing the data packet by the right processing course; the processing course of every tunnel is divided into tunnel establishment, data transmitting and tunnel dismantling; when the tunnel is established, a client sends tunnel establishing requests, a new course of the application procedure fork of a tunnel gateway processes the requests; after the tunnel is successfully established ...

Novel mercapto fluorescence probe and uses thereof

The invention belongs to the technical field of biological detection, which particularly relates to a fluorescent probe which can be applied in measuring active mercapto image in living cells and the application. The fluorescent probe is 2-(2-hydroxyphenyl) hydroxyphenyl compound which is decorated by maleimide or maleimide acid, the structure of the compound is N-{3-(2- benzimidazolyl)-4-hydroxyphenyl}maleimide and N-{3-(2- benzimidazolyl)-4-hydroxyphenyl}malemide acid. The compound can simply and rapidly get into living cells, which has a reaction with free active mercapto group in cells, and fluorescence intensity of the compound is led to be obviously enhancing, thereby the fluorescent probe can be used in fluorescent measurement or fluorescent image of fluactive mercapto group (such as glutathione and the like) in living cells.

Method used for data sending of subchannel-modulation mode and device

The invention relates to a method used for data sending of a subchannel-modulation mode, comprising a DATA part for utilizing a first modulation coding mode to construct a first physical frame unit by a first MAC frame, a DATA part for utilizing a second modulation coding mode to construct a first physical frame unit by a second MAC frame, a combining structure for combining the first physical frame unit and the second physical frame unit into a physical frame unit, and a physical layer superframe, wherein, the first modulation coding mode is a modulation coding mode defined in 802.11a/g/n protocol; and the second modulation coding mode is a modulation coding mode based on the subchannel-modulation mode and the physical layer superframe is used for sending combining structures containing the physical frame units. The method not only can lead the currently-transmitted frame header to be read and understood by other subchannel-modulation mode sites, but also can lead the frame header tobe ...

Pretensioned beam whole opening prefabricated construction method

The present invention discloses a monolithic prefabricated construction method of pretensioned beam, the main working procedures of which comprise: construction preparation, bottom die adjustment, guide device and lateral die installation, hoisting bottom web reinforcement, end die and steel beam installation, threading steel strand and PVC pipe, hoisting internal die and deck reinforcement, firstly pulling of steel strand, finally pulling of broken line reinforcement, finally pulling of straight line reinforcement, grider concrete packing, grider concrete maintenance, loosening internal and lateral dies, broke line extension, cutting guide device, straight line reinforcement extension, hoisting steel beam, end and internal dies removal, hoisting grider, cutting wire and sealing anchor, etc. The construction method adopts straight line and broken line reinforcements, which is able to meet the demand of prefabricated construction of bridge with 32m / 900t big span and large tonnage; at the ...

Method for separating and recycling sulfur, iron and selenium from selenic acid mud

The invention discloses a method for separating and recycling sulfur, iron and selenium from selenic acid mud, which comprises the following steps: firstly, adding elemental sulfur soaked in kerosene into selenic acid mud, filtering and separating hot kerosine containing the elemental sulfur and desulfurization slag containing selenium and iron; separating the elemental sulfur out after cooling the hot kerosene; secondly, adding the desulfurization slag containing selenium and iron to a mixture solution of sulfuric acid and sodium chlorate, filtering and separating oxidized leaching solution and residual slag containing iron, adding sodium sulfite and thiourea into the oxidized leaching solution sequentially, and finally obtaining coarse selenium and a solution after selenium sunk throughreduction. The total recovery rate of sulfur is 97- 98%, the grade of selenium reaches 92-93%, and the total recovery rate of selenium is 94-95%. The invention has the advantages of convenient operation ...

Signal-timing method/device and fine frequency offset estimation method/device

The invention relates to a signal-timing method. The method comprises the following steps: conducting the delay-related operation on a received signal; normalizing the result of the delay-related operation; and using the position of a maximum value after normalization as an estimation value of the start position of an orthogonal frequency division multiplexing (OFDM) signal. The method utilizes the structural characteristics of a long training sequence in an 802.11n system, provides a signal-timing algorithm with only one relevant peak and effectively avoids the pseudo-relevant peak phenomenon caused by CSD. In addition, the invention adopts a delay-related algorithm to time the signal and eliminates the influence of the frequency offset of two segments of related data by a modular operation, thereby preventing the delay-related algorithm from being influenced by the frequency offset, realizing the delay-related algorithm by sliding relation and greatly reducing the multiplication and addition ...

Dried shell type heat exchanger with rapid desmutting function

The invention relates to a dry-type shell-and-tube heat exchanger with rapid contaminant removal function. In sewage-water heat exchange mode, the sewage flows in the pipe, the heat exchange pipe is likely to be jammed and the heat transfer temperature difference is low, so that large heat exchange area is required; and the sewage-refrigerant heat exchange mode needs large injection amount of refrigerant and is only suitable for occasions with large refrigerating capacity. Two plug separators are arranged in a heat exchanging cavity; a plurality of intermediate separators arranged alternately up and down are arranged between the two plug separators; a serpentine type heat exchanging tube bundle is arranged on a first and a second tube sheets through the two plug separators and the plurality of intermediate separators; the upper port of each serpentine type heat exchanging tube is communicated with a liquid distributor, and the lower port is communicated with a gas storage tank; one end ...

Preparation method of positive electrode material LiFePO4 of lithium ion battery

The invention discloses a preparation method of a positive electrode material LiFePO4 of a lithium ion battery. The preparation method comprises the following steps of: mixing a trivalent iron-source compound, a phosphorus-source compound and lithium metal in a molar ratio of 1:1:1.1-1.9, putting the mixture into a closed container, and adding water into the closed container and controlling the molar ratio of the water to the lithium in aqueous solution to be 1:1-10:1; stirring the mixture for 0.1 to 20 hours at room temperature to ensure that the lithium metal reacts with the water in the mixture to generate lithium ions, release hydrogen gas and simultaneously generate a great deal of heat energy, the hydrogen gas reduces trivalent iron ions into ferrous ions, and the ferrous ions react with the lithium ions and the phosphorus-source compound to generate amorphous LiFePO4; and drying the LiFePO4, and calcining the LiFePO4 for 2 to 20 hours at the temperature of between 400 and 700 DEG ...

Method and device used for handoff

A method used for handoff comprises the following steps: adopting the measuring value of the signal quality of the current community to predict the value of the signal quality in the future specified time to obtain the first predicted value; starting timing when the first predicted value is lower than the first threshold; and sending the measuring report if the first predicted values are all lower than the first threshold in the first time period. The predicted value of the signal quality is adopted to replace the original measuring value, so the event trigger time point is advanced, thus saving precious time for subsequent handoff and further ensuring that UE can still successfully carry out handoff under the condition of rapid deterioration of link. The invention also discloses a device used for handoff.

Central air-conditioner pipeline type ventilation system cleaning robot

The present invention discloses a central air-conditioning pipeline type ventilation system cleaning robot. It includes a traveling mechanism and a cleaning mechanism. Said traveling mechanism uses anadsorption electromagnetic iron as main component so as to make the whole machine be adsorbed on the side wall of pipeline and traveled instead of traditional four-wheel drive car mode, and the bidirectional 45 deg movements implemented by using two pairs of crank-link mechanisms to drive slide block along the guideway can synthesize the movement along the horizontal or vertical direction, so that it can be traveled along the transverse pipe and vertical pipe and can elude obstruction.

Method for verifying computer user identity based on keystroke scrambling characteristic

The invention relates to a method for verifying a computer user identity based on a keystroke scrambling characteristic, which is implemented by the following steps: extracting the minimum keystroke scrambling segment of a user to serve as a keystroke scrambling characteristic successively by analyzing the keystroke operation behaviors of the computer user, establishing an identity characteristic template for the computer user based on the keystroke scrambling characteristic, and performing identity verification and identity monitoring on the computer user. The method for verifying the computer user identity based on the keystroke scrambling characteristic has the advantages that the keystroke scrambling characteristic is free from the restraint that the traditional keystroke characteristic is influenced by time precision, and uses a keystroke event sequence format to describe the behavior characteristic of a user reflected in the keystroke process, thus distinguishing different users; ...

“método implementado por computador, meio legível por computador e sistema para implementar um método

SANDPAPER REPLACEMENT DEVICE

A sandpaper replacement device is used for replacing sandpaper of a polishing device, including a support platform, a driver, a driving detector sensor, a clamping member, a clamping detector and a controller. The driver includes a cylinder body and an extension rod movably positioned on the cylinder body. The cylinder body is positioned on the support platform, and the extension rod passing through and protruding out from the support platform. The driving detector sensor is positioned on the support platform adjacent to the extension rod. The clamping member includes a main body and two claws positioned oppositely to each other on the main body. The main body is mounted on the support platform away from the cylinder body. The clamping detector is positioned adjacent to the two claws. The controller is electrically connected to the driver, the driving detector sensor, the clamping detector and the clamping member. 1. A sandpaper replacement device used for replacing sandpapers for a polish device , comprising:a support platform;a driver comprising a cylinder body and an extension rod movably positioned on the cylinder body, the cylinder body being positioned on the support platform, and the extension rod passing through and protruding out from the support platform;a driving detector sensor positioned on the support platform adjacent to the extension rod;a clamping member comprising a main body and two claws oppositely positioned on one end of the main body, and the main body being mounted on the support platform away from the cylinder body;a clamping detector positioned adjacent to the two claws; anda controller electrically connected to the driver, the driving detector sensor, the clamping detector and the clamping member, wherein when the clamping detector detects sandpaper needing to be replaced having arrived at a first preset position, the clamping detector sends a first signal to the controller, the controller controls the clamping member to grip and tear off ...

Pretensioned prestressing box girder strain and relaxation process

Preparation method of precursor iron phosphate of cathode material lithium iron phosphate of lithium ion battery

The invention discloses a preparation method of precursor iron phosphate of cathode material lithium iron phosphate of a lithium ion battery, which comprises the following steps: simultaneously addingferrous ion aqueous solution with the concentration of 0.05-2mol/L and phosphate radical aqueous solution into a reactor according to the stoichiometric ratio of ferrous ions and phosphate radical ions of 0.8-1.2: 1 and at the speed of 400-1000mL/h, and reacting for 0.2-2h under the conditions that the reaction temperature is 50-90 DEG C and the stirring speed is 400-1200rpm; adding hydrogen peroxide with excessive stoichiometry and reacting for 0.2-2h, and ageing for 2-8h, filtering, washing and drying to obtain iron phosphate powder with two crystallization water; and in the obtained iron phosphate, the total ferric content (Fe) is 29.5-30.5 percent, the P content is 16.0-16.9 percent, the particle size is 0.1-1Mum, and D50 is 1-5Mum. The invention has simple and convenient operation process ...

POSITIONING APPARATUS

A positioning apparatus includes a mounting plate, a driving assembly, and two first position assemblies. The mounting plate defines a first guiding groove. The driving assembly is mounted on the mounting plate and includes a driver, and a transfer rod coupled to the driver. The first pivoting assembly includes a first coupling rod and a second coupling rod. The first coupling rod is movably received in the first guiding groove and pivotably coupled to the transfer rod. The second coupling rod is movably received in the first guiding groove and pivotably coupled to the transfer rod. The first position assemblies are respectively pivotably coupled to the first coupling rod and the second coupling rod. 1. A positioning apparatus comprising:a mounting plate defining a first guiding groove; a driver, and', 'a transfer rod coupled to the driver;, 'a driving assembly mounted on the mounting plate and comprising a first coupling rod movably received in the first guiding groove,', 'a second coupling rod movably received in the first guiding groove, the first coupling rod and the second coupling rod respectively positioned at opposite sides of the transfer rod,', 'a third coupling rod pivotably coupled to the first coupling rod and the transfer rod, and', 'a fourth coupling rod pivotably coupled to the second coupling rod and the transfer rod; and, 'a first pivoting assembly comprising a first transfer rod,', 'a second transfer rod pivotably coupled to the first transfer rod and the mounting plate, and', 'a positioning member coupled to the second transfer rod;, 'two first position assemblies respectively pivotably coupled to the first coupling rod and the second coupling rod, each first position assembly comprisingwherein the first transfer rod of one of the first position assemblies is pivotably coupled to the first coupling rod, the first transfer rod of another one of the first position assemblies is pivotably coupled to the second coupling rod.2. The positioning ...

Internal electrolytic processor for wastewater

The invention discloses an internal electrolytic processor for wastewater, which comprises a reaction pool, a water inlet pipe and a water outlet tank, wherein iron powder, activated carbon or iron powder are filled in the reaction pool, and a spiral elevator is arranged in the reaction pool and is used for crushing and elevating the agglomerated iron powder, activated carbon or iron powder in the reaction pool above the reaction pool; and the crushed iron powder, activated carbon or iron powder are put in the reaction pool again. The invention has simple structure, convenient implementation, can solves the problem of agglomeration in the internal electrolysis process and the problem that main energy is absorbed by water in the microwave irradiation process, and is suitable for sewage and wastewater treatment industry.

Process for producing CuSO2‰À5H2O by using copper oxide ore wet method

The wet production process for producing CuSO4.5H2O by using copper oxdie core has no need of complex procedures of ore flotation, high temp. smelting and electrolysis. It only includes the followingsteps: pulverizing copper oxdie ore, ball-grinding, directly using H2SO4 to dissolve raw material, clearing slurry and filtering, analyzing and checking or directly concentrating, centrifugally-drying to obtain CuSO4.5H2O; or placing the above-mentioned filtrate in a replacement tank and replacing the copper sponge with Fe (Zn), roasting the copper sponge, and using dilute H2SO4 thermal solution to dissolve copper by blowing air to obtain CuSO4 mother liquid, finally concentrating said mother liquor, crystallizing and centrifugall-drying so as to obtain CuSO4.H2O blue crystal.

Novel synthesis method for pyrrole derivatives

The invention relates to a novel method for high-efficiency preparation of pyrrole 1,2-dicarboxylic acid and derivatives thereof. Pyrrole derivatives are synthesized from inexpensive and easily available 2-pyrrole carboxylic acid ester compound used as a raw material through bromination, decarboxylation and other unit reactions easy and simple to operate.

Method for producing industrial grade ammonium paramolybdate

The invention discloses a method for producing industrial grade ammonium paramolybdate. The method comprises the following steps of: adding pure water and ammonia water into industrial ammonium molybdate serving as a raw material; heating, stirring and performing ammonia dissolution; cooling and crystallizing to separate the ammonium paramolybdate out, wherein the crystallization rate can reach more than 75 percent; and performing solid-liquid separation on crystallization mother liquor and then performing acid precipitation to separate ammonium polymolybdate out, wherein the comprehensive recovery rate of molybdenum can reach more than 99 percent. By the method, the purity of the ammonium paramolybdate can be greatly improved, and the quality of a product can reach a national primary standard; and the method is easy and convenient to operate and has simple equipment and extremely high application value.

Preparation method of lycopene intermediate 2,6,10-trimethyl-1,1-docosane oxygroup-3,5,-undecane triene

The invention relates to a preparation method of an important lycopene intermediate 2,6,10-trimethyl-1,1-docosane oxygroup-3,5,-undecane triene. In one existing composite method, the adopted raw material 4-methyl-5,5-docosane oxygroup-1-amylene-1-dialkyl phosphoric acid has few resources and high composite difficulty, and the obtained target products are mixtures of several cistrans isomers. Under the protection of inert gas, C10 phosphonate is subjected to a dissociative reaction at the temperature of -40-30DEG C in the presence of an organic solvent and alkali; after dissociation ends, C4 acetal is added; and in the presence of the organic solvent and alkali, a Wittig-Horner condensation reaction is carried out at the temperature of -40-30DEG C. The target product C14 phosphonate obtained with the preparation method is in an all-trans mode. The preparation method has the advantages of simple process route, easy obtained raw material, low cost and great industrial value.

Method for producing industrial-grade ammonium dimolybdate by combination method

The invention relates to a method for producing industrial-grade ammonium dimolybdate by a combination method. The method comprises the following steps: adding pure water and ammonia water into industrial ammonium molybdate which is taken as a raw material, dissolving ammonium and evaporating, aging and crystallizing to separate out ammonium dimolybdate, wherein the crystallization rate is more than 87%; and separating solid from liquid for crystallization mother liquor, and carrying out acid precipitation to obtain ammonium polymolybdate, wherein the comprehensive recovery of molybdenum can be up to more than 99%. By using the invention, the purity of the ammonium dimolybdate is greatly improved, the product quality can reach the national level, the operation is simple and convenient, and the equipment is simple, therefore, the method has very good application value.

32m/900t prestressed concrete pretension box beam static loading test method

The invention discloses a test procedure of 32m/900t pre stress pre open box girder concrete box, it includes building testing counter, laying test beam body, fixing balance weight and setting test equipment, and doing load test of three circulation by ordering step by step, and dong crack test for the 32m/900t pre open box girder effectively, splitting test and breaking test, dong experiment for the design of 32m pre open box girder, construct artwork, workmanship and the anti split and intensive properties of box girder.

Micrometering system for measuring electro-spin fluorescence

The invention relates to a micrometering system for measuring electro-spin fluorescence, which is characterized by comprising a micro Raman spectrometer, a broad-band line polaroid sheet, a broad-bandone-fourth wave plate, a magnet system, a digital voltage source meter and an over-long operating distance microobjective. The micro Raman spectrometer, the broad-band line polaroid sheet and the broad-band one-fourth wave plate are spaced by preset distances and positioned in a same light path; the digital voltage source meter is connected in parallel with the magnet system; and the over-long operating distance microobjective is positioned between the broad-band one-fourth wave plate and the magnet system and is in the same light path with the broad-band one-fourth wave plate and the magnetsystem.

Method for transmitting information, device for transmitting information and communication device

The invention provides a method for transmitting information, which comprises the steps: confirming the modulating and coding mode of each subcarrier on each spatial stream; encapsulating information for indicating the modulating and coding mode of each subcarrier on each spatial stream to a second frame; and transmitting the second frame. Receiving-end equipment can report the modulating and coding mode of each subcarrier on each spatial stream, so that transmitting-end equipment can obtain the modulating and coding mode of each subcarrier on each spatial stream to adaptively modulate each subcarrier on each spatial stream. The invention further discloses a device for transmitting the information and a communication device.

Method and device used for handoff

A method used for handoff comprises the following steps: obtaining the signal quality of the current community; starting timing when the signal quality of the current community is lower than the first threshold; setting the timing length according to the variation of the signal quality; and sending the measuring report if the signal quality of the current community is lower than the first threshold all the time in the timing length, wherein the faster the signal quality varies, the shorter the timing length is. Fast signal attenuation is coped with by adjusting the timing threshold of a timer, namely in the switching zone, the received attenuation velocity of the signal quality of the current community is different under the conditions of fast movement and slow movement of UE. UE can be ensured to timely switch to the new base station in any state by correspondingly setting the timing threshold of the timer according to the variation velocity of the signal quality linking UE and the original ...

Low-temperature continuous production process for lithium iron phosphate and dedicated device therefor

The invention discloses a low-temperature continuous production process for lithium iron phosphate and a dedicated device therefor. The process comprises the following steps: preparing ferrous oxalate, lithium dihydrogen phosphate, an organic composite carbon source and a composite metal compound which are used as raw materials; mechanically stirring the raw materials in a way of circulation reflux in methanol which is used as a medium; performing fluidized drying on the resulting slurry to obtain a lithium iron phosphate precursor containing the composite carbon source and the composite metal compound; performing micronization and mechanical compaction and then calcining at a low temperature in a protective atmosphere with extremely-low oxygen content; and performing air flow classification and vibratory screening to obtain fine-particle lithium iron phosphate which has uniform grain-size distribution and excellent electrochemical properties and is used as an anode material for lithium ...

Method for producing fibre weaving material by using abandoned melon longicorn plants

The invention discloses a method to produce fiber weaving material from waste vine plant. Waste melon vines are collected and trimmed, and a facilitating protective agent (which is applied for another patent) is added to ret the waste melon vines for 4 to 5 days; if the dosage of the facilitating protective agent is large, the waste melon vines can not be rotten and damaged within 25 to 30 days and can be peeled, and other remained waste substances after the fibers of the melon vines are peeled can be processed into a bio-organic fertilizer, and a primary treated end-product is bleached and be used as a technical knitting material and turned into basic weaving material; then the primary end-product is treated by biochemical treatment (the treatment method and material are applied for another patent), and degummed to remove hemicelllulose, so as to recover monose and other industrial materials, and finally a high intensity fine fiber that can used as weaving material is produced.

Method and device used for handoff

A method used for handoff comprises the following steps: obtaining the signal quality of the current community; starting timing when the signal quality of the current community is lower than the first threshold; setting the timing length according to the variation of the signal quality; and sending the measuring report if the signal quality of the current community is lower than the first threshold all the time in the timing length, wherein the faster the signal quality varies, the shorter the timing length is. Fast signal attenuation is coped with by adjusting the timing threshold of a timer, namely in the switching zone, the received attenuation velocity of the signal quality of the current community is different under the conditions of fast movement and slow movement of UE. UE can be ensured to timely switch to the new base station in any state by correspondingly setting the timing threshold of the timer according to the variation velocity of the signal quality linking UE and the original ...

Dried shell type heat exchanger with rapid desmutting function

Method of Preparing 2,6,10-Trimethyl-1,1-Dialkoxy-3,5,9-Undecatriene Used as an Intermediate of Lycopene

The present invention describes a novel synthetic method for preparing the key intermediate 2,6,10-trimethyl-1,1-dialkoxy-3,5,9-undecatriene of lycopene. An existing synthetic method have some disadvantages that it is very difficult to gain the raw material dialkyl 4-methyl-5,5-diakoxy-1-pentene-1-phosphonate (10) because no effective synthetic method can be adopted, and furthermore the obtained target compound is composed of several cis/trans isomers. This invention relates to a process comprising a condensation step wherein a starting C10-phosphonate is changed to its carbanion completely at a temperature of 4030 under an atmosphere of a non-reactive gas in an organic solvent catalyzed by base, and then C4-dialkyl is added to undergo Wittig-Horner condensation. This invention affords all trans C14-acetal and this method is characterized with the advantages of simple procedure, easy access to raw material and low cost, which makes it has the value of industrial application.

Component capable of realizing composite functions of self-rotary storage detection and photo-detector

The invention provides a component capable of realizing the composite functions of self-rotary storage detection and photo-detector. The component comprises a gallium arsenide substrate, a gallium arsenide buffer layer and a micro-cavity structure, wherein the gallium arsenide buffer layer grows on the gallium arsenide substrate; and the micro-cavity structure grows on the gallium arsenide bufferlayer. By using the component structure, the invention can realize the three functions of self-rotary storage, self-rotary detection and photo-detection within only one component.

Polarization resolution differential reflection spectrum measuring system

The invention discloses a polarization resolution differential reflection spectrum measuring system, comprising a liquid nitrogen Dewar, a manual three-dimensional translation stage, an achromatic lens, an exciter used for vibrating a lens periodically, a wide band quarter wave plate, a dual-output Gran-Taylor prism, a wide band linear polarizer and a wide band half wave plate, a monochromator, an ultra continuous white light source, a detector, two phase-locked amplifiers and a chopper. By utilizing the system disclosed by the invention, the polarization resolution differential reflection spectrum of a sample at 77-300K can be measured by adopting a low temperature Dewar, thus the energy band structure and characteristics of substances related to spin can be researched and analyzed.

Preparation method of pyrrole derivative and application thereof

The invention provides a compound shown in the formula I and a preparation method thereof, and application of the compound used as the inhibitor of tyrosine kinase and/or serine-threonine kinase. The compound shown in the formula I has good inhibiting effect on the activities of various kinases and the compound has obvious inhibiting effects on tyrosine kinase and/or serine-threonine kinase in in-vitro biochemical level and cellular level. The compound shown in the formula I can be used to prepare medicines for treating diseases related to the protein kinase of an organism.

Box girder transfer platform and girder transferring and girder loading working procedures thereof

The invention relates to a box girder transfer platform and girder transferring and girder loading working procedures thereof. The platform comprises a girder carrying trolley, a telescopic boom, a girder assembly, a door-shaped frame, a driving system, a hydraulic system and an electrical system, wherein the girder carrying trolley is arranged on the telescopic boom; the telescopic boom is supported by the door-shaped frame connected with pre-embedded foundation and the girder assembly arranged on the door-shaped frame; a driving device of the driving system is arranged at the rear end of the telescopic boom; guiding wheels of the driving system are arranged on front and rear end faces of the telescopic boom; a pump station of the hydraulic system is positioned on a girder of the door-shaped frame; a main cabinet of the electrical system is arranged on the girder of the door-shaped frame; the transfer platform can be used for transferring box girders, can transfer the box girders to one ...

Oxide ore wet production process of ZnSo4.7H2O

The present invention utilizes the rejected portion of surface layer of lead-zinc ore deposit-oxide ore as raw material, and adopts the processes of pulverizing, ball-grinding, chemical treatment andfiltering to form filtrate and filter residue, the filtrate is undergone the processes of concentration, crystallizing, centrifugal drying to obtain crystal finished product, its mother liquor is returned, continuously concentrated, and the filter residue is soaked in water, then the maceration extract is retuned, and continuously undergone chemical treatment to extract the substances of Pb.Fe, etc.. Said invention has no need of roasting process, can save energy source, its technological process is simple, and cost is low and benefit is high.

Improved evaporation refrigeration air conditioner

The invention discloses an improved evaporative refrigerating air conditioner, wherein, heat exchangers are arranged in a shell; a spray system is arranged on the upper part of the heat exchangers; a water reservoir is arranged under the heat exchangers; the heat exchangers are vertical aluminum foil plates which are parallelly arranged and the gaps among which are uniformly provided with connecting support poles; two sides in each gap are provided with sealing support strips; water distributing boxes sealing top side gaps are arranged at intervals in the gaps uniformly distributed on the top sides; an outlet is respectively arranged on the upper part of one side in each gap the top side of which is sealed, so that the heat exchangers are arranged parallelly at intervals and provided with a dry channel and a wet channel provided with inlets and outlets; metal net braces are respectively uniformly arranged in the dry channel and the wet channel; a metal grid group is arranged in a direct ...

Novel mercapto fluorescence probe and uses thereof

The invention belongs to the technical field of biological detection, which particularly relates to a fluorescent probe which can be applied in measuring active mercapto image in living cells and the application. The fluorescent probe is 2-(2-hydroxyphenyl) hydroxyphenyl compound which is decorated by maleimide or maleimide acid, the structure of the compound is N-{3-(2- benzimidazolyl)-4-hydroxyphenyl}maleimide and N-{3-(2- benzimidazolyl)-4-hydroxyphenyl}malemide acid. The compound can simply and rapidly get into living cells, which has a reaction with free active mercapto group in cells, and fluorescence intensity of the compound is led to be obviously enhancing, thereby the fluorescent probe can be used in fluorescent measurement or fluorescent image of fluactive mercapto group (such as glutathione and the like) in living cells.

Completely detachable and assembled shell type heat exchanger possessing rapid desmutting function

The invention provides a totally detachable pipe shell heat exchanger with quick filth removal function, relating to a pipe shell heat exchanger, aiming at the problems that the prior secondary sewage heat exchanger has a complicated integral structure, is inconvenient in disassembly, assembly and washing and consumes much time and labor in removing the filth, is easy to block a heat exchange tube, and has great heat (refrigeration capacity) loss. A heat exchange cavity is respectively detachably connected with a water inlet cavity and a water outlet cavity of circulating water or a refrigerant; two choke plug clapboards in the heat exchange cavity and a plurality of intermediate diaphragms are arranged up and down alternatively; rubber pads in the intermediate diaphragms are detachably connected with two splints; rubber pads of the choke plug clapboards are detachably connected with two choke plug splints; one end of a rotating shaft passes through a first tube plate, choke plug clapboards ...

Water heater

The new-type water heater is used for shower and head washing in household. It uses new heating method without water tank, so that it is simple and convenient. Furthermore, it heats water at zero potential and this ensures its safety. It may be used in places where hot water of 30-60 deg.c is needed.

Method for removing coating of quartz glass colour filter

Component capable of realizing composite functions of self-rotary storage detection and photo-detector

The invention provides a component capable of realizing the composite functions of self-rotary storage detection and photo-detector. The component comprises a gallium arsenide substrate, a gallium arsenide buffer layer and a micro-cavity structure, wherein the gallium arsenide buffer layer grows on the gallium arsenide substrate; and the micro-cavity structure grows on the gallium arsenide buffer layer. By using the component structure, the invention can realize the three functions of self-rotary storage, self-rotary detection and photo-detection within only one component.

Dry pipe shell type sewage water source heat pump machine unit with rapid decontamination function

A dry shell-tubular sewage-supply heat pump unit provided with a quick decontamination function relates to a dry shell-tubular sewage-supply heat pump unit and aims at solving the problems of the existing sewage-supply heat pump unit that when a sewage-water heat-exchanging means is adopted, the heat exchanging pipe are often blocked, the heat-conduction temperature difference is small and the required heat exchanging area is large; when the sewage-refrigerant heat exchanging means is adopted, the quantity of injected refrigerant is big and the required equipment is large. A sewage side-drying heat exchanger adopts a first, second, third, fourth, fifth and sixth pipes to be communicated with a heat exchanger, and the heat exchanger, sewage side-drying heat exchanger, a compressor, a steam-liquid separator provided with a heat exchanger are communicated through a four-way directional control valve, a seventh, eighth, ninth, tenth and eleventh pipes. A liquid storing device is communicated ...

Method for preparing lithium iron phosphate-lithium vanadium phosphate composite precursor from coulsonite

The invention discloses a method for preparing a lithium iron phosphate-lithium vanadium phosphate composite precursor from coulsonite, comprising the following steps of: leaching the coulsonite with acid and filtering; dissolving a certain amount of other vanadium sources in the filtrate to ensure that the concentration of V in the mixed solution is 0.01-3.0mol/L and the mol ratio of the V to Feis 0.5-2.5; adding 0.01-6.0mol/L of alkaline water solution and controlling the pH value of the system to be 1.0-12.0; reacting for 3min-24h at the temperature of 30-100DEG C; and washing, filtering,drying and sintering precipitation to obtain the lithium iron phosphate-lithium vanadium phosphate composite precursor which is mixture of coulsonite and doped vanadate. The invention has the advantages of wide raw material source, simple process flow, favorable quality of products, stability and low cost, is especially suitable for providing an excellent vanadium source for the large-scale production ...

LIGHT EMITTING DIODE PACKAGING STRUCTURE

A light emitting diode (LED) packaging structure comprises a base, a LED chip and a packaging colloid. The LED chip is disposed in the base. The packaging colloid comprises a first optical resin material and at least one second optical resin material. The first optical resin material is transparent and packages the LED chip. The second optical resin material is disposed to a side of the first optical resin material. The second optical resin material is doped with a second fluorescent-powder. By disposing multilayered second optical resin materials, the fluorescent-powder is far from the LED chip to prevent the fluorescent-powder from being heated to cause light attenuation, thereby extending the service life of the LED chip. 1. A light emitting diode (LED) packaging structure comprising:a base;a LED chip disposed in the base; anda packaging colloid, the packaging colloid including:a first optical resin material encapsulating the LED chip; andat least one second optical resin material doped with a second fluorescent-powder disposed to a side of the first optical resin material.2. The light emitting diode packaging structure as recited in claim 1 , wherein the first optical resin material is doped with a first fluorescent-powder claim 1 , and a doping concentration of the first fluorescent-powder is lower than a doping concentration of the second fluorescent-powder.3. The light emitting diode packaging structure as recited in claim 2 , wherein a concentration of the first fluorescent-powder doped in the first optical resin material is toward a direction of the LED chip to sequentially show a variation of intermediate-concentration claim 2 , high-concentration and low-concentration claim 2 , and a concentration of the second fluorescent-powder in the second optical resin material is toward a direction of the LED chip to sequentially a variation of intermediate-concentration claim 2 , high-concentration and low-concentration.4. The light emitting diode packaging ...

Method and system for import and export trading

A method and system of import and export trading is provided. The system and method includes a selection module, an import duty confirmation module, a database, and a displaying module. The selection module is configured for choosing basic information of commodity from lists of property choices provided by a website and submitting the choice to a server. The import duty confirmation module is configured for confirming HS code and duty rate corresponding to the commodity according to the choice. The database is configured for storing information of commodities, HS codes and rate of import duties. The displaying module is configured for displaying commodities provided by sellers to buyers for choosing. The sellers and buyers are in different countries or regions, when a buyer chooses one commodity, the server will provide corresponding import duty to the buyer according to the quantity of commodities and the duty rate. 1. A computer-based method for import and export trading , the method comprising:choosing information of commodity from a lists of property choices in a website provided by a server and submitting the choices of a seller to a server;confirming HS code and duty rate corresponding to the commodity according to the information of commodity;displaying commodities provided by sellers to buyers for choosing, wherein the sellers and buyers are in different countries or regions, when a buyer chooses one commodity, the server will provide corresponding import duty to the buyer according to the quantity of commodities and the duty rate.2. The method of claim 1 , wherein the property choices includes different kinds of properties claim 1 , each property is multiple-choice; the server confirms a HS code and a duty rate according to the choices of all kinds of properties.3. The method of claim 2 , wherein the kinds of property includes at least one of the materials property claim 2 , style property claim 2 , material content property claim 2 , and men's or women's ...

MEMORY STORAGE DEVICE, MEMORY CONTROLLER THEREOF, AND DATA TRANSMISSION METHOD THEREOF

A memory storage device, a memory controller thereof and a data transmission method thereof are provided. The memory storage device includes a rewritable non-volatile memory module having a first and a second memory dies, and the first and the second memory dies are coupled to the memory controller through the same data input/output bus. The method includes transmitting a read command to the first memory die and then transmitting a write command to the second memory die by the memory controller. The method further includes controlling the first and the second memory dies to respectively read out and put data onto the data input/output bus in accordance with the read command and write the data from the data input/output bus into the second memory die in accordance with the write command at the same time by the memory controller. 1. A data transmission method for a memory storage device having a rewritable non-volatile memory module , wherein the rewritable non-volatile memory module comprises at least one first memory die and at least one second memory die , the at least one first memory die and the at least one second memory die are coupled to a memory controller of the memory storage device by the same data input/output bus , the data transmission method comprises:sequentially transmitting, by the memory controller, a read command to the at least one first memory die and a write command to the at least one second memory die via the data input/output bus; andcontrolling, by the memory controller, the at least one first memory die and the at least one second memory die to simultaneously and respectively output data from the at least one first memory die and put the data onto the data input/output bus in accordance with the read command, and write the data from the data input/output bus to the at least one second memory die in accordance with the write command.2. The data transmission method according to claim 1 , wherein the step of controlling the at least one first ...

LED PACKAGE STRUCTURE FOR ENHANCING MIXED LIGHT EFFECT

An LED package structure for enhancing mixed light effect comprises: at least one first light emitting chip; at least one second light emitting chip, a frame structure having a first containing portion, a second containing portion, a spacing portion and a light mixing area; a first colloid, doped with a green-light phosphor and filled into the first containing portion; a second colloid, filled into the second containing portion; and an encapsulating colloid, packaged and filled into the light mixing area. This design can enhance the light emission efficiency and achieve a uniform light-mixing dot light source. 1. An white-light LED package structure for enhancing mixed light effect , comprising:at least one first light emitting chip, for providing a light source with a wavelength of 400 nm˜500 nm;at least one second light emitting chip, for providing a light source with a wavelength of 600 nm˜700 nm;a frame structure, for containing and installing the first light emitting chip and the second light emitting chip, such that after lights emitted from the first light emitting chip and the second light emitting chip are mixed, a white-light dot light source for emitting light is formed, and the frame structure comprising:a first containing portion, being a downwardly tapered cup structure provided for installing the first light emitting chip;a second containing portion, being a downwardly tapered cup structure, for installing the second light emitting chip;a spacing portion, disposed between the first containing portion and the second containing portion, for bonding and installing the first light emitting chip and the second light emitting chip; anda light mixing area, for forming the white-light dot light source after the lights emitted from the first light emitting chip and the second light emitting chip are mixed in the light mixing area;a first colloid, doped with a green-light phosphor, and filled into the first containing portion, for encapsulating the first light ...

LED LIGHT BULB STRUCTURE

An LED light bulb structure includes a lamp cover and a lamp holder engaged with one another to form a light source accommodating space, and the lamp holder has a circuit board, and at least three first LEDs installed in the light source accommodating space and electrically coupled to the circuit board. Each first LED has a light source portion and a plurality of pins, and an end of the pins is coupled to the light source portion, and the other end of the pins is electrically coupled to the circuit board, and each light source portion has a lens and a chip, and the lens covers the chip, and the chip irradiates a light beam in a horizontal direction, and the first LEDs are installed sequentially next to one another, such that the light source portions are arranged into a circle to form an installation space. 1. An LED light bulb structure , comprising a lamp cover and a lamp holder , and the lamp cover and the lamp holder being coupled to form a light source accommodating space , and the lamp holder having a circuit board installed thereon , and at least three first LEDs installed in the light source accommodating space and electrically coupled to the circuit board , characterized in that each first LED includes a light source portion and a plurality of pins , and an end of the pins is coupled to the light source portion , and the other ends of the pins is electrically coupled to the circuit board , and each light source portion has a lens and a chip , and the lens covers the chip , and the chip irradiates a light beam in a horizontal direction , and the first LEDs are installed sequentially next to one another , and the light source portions are arranged in a circle to form an installation space.2. The LED light bulb structure of claim I , wherein each first LED is a side view LED , and the chip is installed onto one of the pins and covered into the lens of a hemispherical column or a sheet cube structure , such that each light source portion has an irradiating ...

LOW NOISE BLOCK DOWNCONVERTER WITH HIGH ISOLATION

A Low Noise Block downconverter (LNB) with high isolation, and more particularly, to a low-noise-block downconverter design for horizontal wave and vertical wave of a linear polarization; wherein, a horizontal probe and a vertical probe are directly set on a printed circuit board to receive the aforesaid waves; a waveguide chamber of the horizontal probe is divided into two chambers, a front chamber and a back chamber; a waveguide chamber of the vertical probe is transversely extended from a side waveguide, and the waveguide chamber of the vertical probe is also divided into two chambers; thereby the horizontal and vertical probe respectively receives the waves when facing to the rear side of the waveguide chambers for separating the horizontal and vertical wave and reducing the coupling of each other; thus, increasing the isolation and preventing the mutual interference of the horizontal and vertical wave.

SENSOR AND TRANSPORTING DEVICE INCLUDING THE SAME

A sensor detects a workpiece ready for transportation by means of an outwardly hanging contact arm which, when the workpiece is dropped or placed on a carrying frame, is pushed back into a groove in the body of the sensor and in that location gives a contact signal to start the transport, avoiding damage to the hanging arm or to its mechanism otherwise caused by the continuing weight or impact of the dropped or placed workpiece. 1. A sensor , comprising:a mounting body, the mounting body comprising a main portion and a mounting portion formed on one end of the main portion, a mounting groove being defined in an adjoining portion between the mounting portion and the main body, the mounting groove comprising a first groove and a second groove, the second groove substantially perpendicularly communicating with the first groove;an electrode, the electrode comprising a hinge portion and a contacting portion extending from the hinge portion; anda connection member mounted on the main portion; wherein the hinge portion is rotatably connected to the mounting body in the first groove by the connection member, a center of gravity of the hinge portion is positioned on a side thereof away from the contacting portion, and the contacting portion protrudes out from the second groove.2. The sensor of claim 1 , wherein a connection hole is defined in a corner of each side surface of the main portion communicating to the first groove claim 1 , a mounting hole is defined in the mounting portion communicating to the first groove claim 1 , the mounting hole and the connection hole are coaxial and opposite to each other claim 1 , a hinge hole is defined in a corner of the hinge portion adjacent to the contacting portion claim 1 , the connection member passes through the mounting hole and the hinge hole claim 1 , and then is fixed in the connection hole claim 1 , such that the electrode is rotatably connected to the mounting body by the connection member claim 1 , and the center of ...

CORE-SHELL STRUCTURE SUPPORTED TUNGSTEN COMPOSITE CATALYST AND PREPARATION METHOD AND USE THEREOF

The present invention discloses a core-shell structure supported tungsten composite catalyst and a preparation method and use thereof. Most of the existing synthesis methods of the main ring of quinolone drugs have the defects of many synthesis steps, cumbersome operation, large amount of three wastes, higher costs and the like. The present invention prepares a magnetic separable core-shell supported tungsten composite catalyst, WO/SiO/FeO, by preparing FeOcolloid and SiO/FeOcomposite nano-particles. This magnetic separable core-shell supported tungsten composite catalyst, WO/SiO/FeO, is used to catalyze and synthesize quinolone compounds. The present invention provides an efficient preparation method of quinolone compounds using a catalyst which can be recovered by magnetic separation and recycled. The catalyst prepared by the present invention can be reused in the preparation of quinolone compounds and still retains the original activity without deactivation, which not only greatly improves the production efficiency, but also reduces the environmental pollution. 1. A preparation method of a core-shell structure supported tungsten composite catalyst , comprising the steps of:{'sub': 3', '4, 'step 1), adding a reducing agent and a base into an aqueous solution of iron compound, heating to 50-80° C. and stirring to obtain FeOcolloid;'}{'sub': 3', '4', '2', '3', '4, 'step 2), adding the FeOcolloid obtained in the step 1), tetraethyl orthosilicate and a hydrolysis catalyst into an appropriate amount of dispersion solvent and allowing to react for 4-8 hours to obtain SiO/FeOcomposite nano-particles; and'}{'sub': 2', '3', '4', '3', '2', '3', '4, 'step 3), adding the SiO/FeOcomposite nano-particles obtained in step 2) into an aqueous solution of ammonium metatungstate, stirring for 8-14 hours and drying at 90-150° C. to obtain a first solid, which is calcined at 450-650° C. for 1-6 hours to obtain a magnetic separable core-shell structure supported tungsten composite ...

PIVOT STRUCTURE AND AN ELECTRONIC DEVICE HAVING THE PIVOT STRUCTURE

A pivot structure includes a first driven device, a middle driven device, a second driven device, a driving axis, a first restriction device, a middle restriction device, and a second restriction device. The first restriction device includes a first circumferential portion and a second circumferential portion, the middle restriction device includes a first recess and an abutting portion, and the second restriction device includes a second recess and an outer edge portion. When the first circumferential portion of the first restriction device abuts the first recess of the middle restriction device, the abutting portion of the middle restriction device abuts the outer edge portion of the second restriction device. When the second circumferential portion of the first restriction device abuts the first recess of the middle restriction device, the abutting portion of the middle restriction device abuts the second recess of the second restriction device. 1. A pivot structure , comprising:a first transmission device;a middle transmission device meshed with the first transmission device;a second transmission device meshed with the middle transmission device;a drive shaft passing through the first transmission device;a first restriction device disposed on the drive shaft and comprising a first circumferential portion and a second circumferential portion;a middle restriction device comprising a first recess and an abutting portion, wherein the first recess faces the first restriction device, and the abutting portion is at an opposite side of the first recess; anda second restriction device abutting the middle restriction device and comprising a second recess and an outer edge portion;wherein when the first circumferential portion of the first restriction device abuts the first recess of the middle restriction device, the abutting portion of the middle restriction device abuts the outer edge portion of the second restriction device, and when the second circumferential portion ...

Novel solution for euv power increment at wafer level

The present disclosure relates to a photolithography radiation source having an angled primary laser, and an associated method of formation. In some embodiments, the photolithography radiation source has a fuel droplet generator that provides fuel droplets to a source vessel along a first trajectory. A primary laser is configured to generate a primary laser beam along a second trajectory that intersects the first trajectory. The primary laser beam is configured to ignite a plasma from the plurality of fuel droplets that emits radiation. A collector mirror is configured to focus the radiation to an exit aperture of the source vessel. The primary laser beam does not intersect the exit aperture.

SILICONE WRAP

A silicone wrap contained in a box having a slide cutter is disclosed. The silicone wrap includes a silicone layer and a support layer. The silicone layer is rolled by a first compression mechanism, and then pressed into a sheet structure by a second compression mechanism, and the support layer is coated onto the silicone layer, and the manufactured support layer and silicone layer are wound into a roll structure, so that the silicone wrap can be pulled to a length and cut by the slide cutter. Food-grade silicone is used as the raw material for making the silicone layer, so that the silicone wrap high elasticity and stickiness and can be covered onto a container of any shape and material or a food, and the silicone wrap will not be damaged by heating or freezing and can be used repeatedly. 1. A silicone wrap , contained in a box having a slide cutter , comprising:{'b': 1', '2, 'a silicone layer, being a solid silicone blended to a predetermined softness by a blending process, and then rolled to a thickness of cm to cm by a first compression mechanism, and finally pressed by a second compression mechanism to form a sheet structure with a predetermined thickness; and'}a support layer, which is covered by the silicone layer on a side surface, and then vulcanized, so that molecules of the silicone layer produce a crosslinking effect to improve the flexibility of the silicone layer, and finally route the support layer and the silicone layer which is adhered to the support layer into a rolled structure to improve the flexibility of extending to the needed length and being cut by the slide cutter when used.2. The silicone wrap of claim 1 , wherein the predetermined thickness falls within a range of 0.05 mm˜5 mm.3. The silicone wrap of claims 2 , wherein the silicone layer has a heat resisting temperature range falling with a range of −60 degrees˜230 degrees Centigrade.4. The silicone wrap of claim 3 , wherein the support layer is made of halogen-free polyethylene ...

TECHNIQUES FOR UNIVERSAL QUANTUM CONTROL OF QUANTUM COHERENT STATES AND RELATED SYSTEMS AND METHODS

Some aspects are directed to a method of operating an apparatus, the apparatus comprising a first quantum system having a plurality of coherent quantum states, the first quantum system being coupled to a second quantum system, the method comprising providing an input energy signal to the second quantum system that stimulates energy transfer between the first quantum system and the second quantum system and that causes net dissipation of energy to be output from the second quantum system, wherein the input energy signal includes at least two components having different frequencies and each having an amplitude and a phase, and adiabatically varying the amplitude and the phase of the at least two components of the input energy signal to cause a change in one or more of the plurality of coherent quantum states of the first quantum system. 1. A method of operating an apparatus , the apparatus comprising a first quantum system having a plurality of coherent quantum states , the first quantum system being coupled to a second quantum system , the method comprising:providing an input energy signal to the second quantum system that stimulates energy transfer between the first quantum system and the second quantum system and that causes net dissipation of energy to be output from the second quantum system, wherein the input energy signal includes at least two components having different frequencies and each having an amplitude and a phase; andadiabatically varying the amplitude and the phase of the at least two components of the input energy signal to cause a change in one or more of the plurality of coherent quantum states of the first quantum system.2. The method of claim 1 , wherein the change in one or more of the plurality of coherent quantum states of the first quantum system is a phase change of a first coherent quantum state of the plurality of coherent quantum states relative to the other coherent quantum states of the plurality of coherent quantum states.3. The ...

MENU PROCESSING METHOD, DEVICE AND STORAGE MEDIUM IN VIRTUAL SCENE

This application discloses a menu processing method in a virtual environment, applied to a client, including: displaying a Virtual Reality (VR) image including a first virtual control volume, a second virtual control volume, and a virtual carrier in a virtual space; obtaining real-time location data of a first controller and a second controller associated with the client; determining real-time location data of an interactive button on the virtual carrier according to the real-time location data of the first controller; determining real-time location data of the second virtual control volume in the virtual space according to the real-time location data of the second controller; and displaying or hiding a menu in accordance with a determination that the second virtual control volume collides with the interactive button based on the real-time location data of the second virtual control volume and the real-time location data of the interactive button. 1. A menu processing method in a virtual environment , applied to a client having one or more processors and memory storing a plurality of programs to be executed by the one or more processors , the method comprising:displaying a Virtual Reality (VR) image, the VR image comprising a first virtual control volume, a second virtual control volume, and a virtual carrier in a virtual space, wherein the virtual carrier is attached to the first virtual control volume;obtaining real-time location data of a first controller and a second controller associated with the client;determining real-time location data of an interactive button on the virtual carrier according to the real-time location data of the first controller;determining real-time location data of the second virtual control volume in the virtual space according to the real-time location data of the second controller; anddisplaying or hiding a menu in accordance with a determination that the second virtual control volume collides with the interactive button based on the ...

Dangerous Vehicle Warning Method and Dangerous Vehicle Warning System

A dangerous vehicle warning method is disclosed. The dangerous vehicle warning method is utilized in a dangerous vehicle warning system including a vehicle electronic system and a cloud server. The dangerous vehicle warning system, disposed in a first vehicle, includes an image capturing module and a license number identifying module. The dangerous vehicle warning method includes the image capturing module capturing an image of an area surrounding the first vehicle; the license number identifying module identifying a license number information of a second vehicle in the area surrounding the first vehicle according to the image; comparing the license number information with a dangerous vehicle list stored in the cloud server and generating a comparing result; and generating a warning signal according to the comparing result. 1. A dangerous vehicle warning method , utilized in a dangerous vehicle warning system , the dangerous vehicle warning system comprising a vehicle electronic system and a cloud server , the dangerous vehicle warning system disposed on a first vehicle , the dangerous vehicle warning system comprising an image capturing module and a license number identifying module , the dangerous vehicle warning method comprising:the image capturing module capturing an image of an area surrounding the first vehicle;the license number identifying module identifying a license number information of a second vehicle in the area surrounding the first vehicle according to the image;comparing the license number information with a dangerous vehicle list stored in the cloud server and generating a comparing result; andgenerating a warning signal according to the comparing result.2. The dangerous vehicle warning of claim 1 , wherein the step of comparing the license number information with the dangerous vehicle list stored in the cloud server and generating the comparing result comprises:the vehicle electronic system sending the license number information to the cloud ...

SUPPORTING ASSEMBLY

A supporting assembly including a stand and a positioning module is provided. The positioning module includes a carrier, a first rod, a first guiding element, a second guiding element, at least one position-limiting element, and at least one elastic element. The carrier is fixed to a portable electronic device. The first rod is pivoted to the carrier and the stand is fixed to the first rod. The first guiding element is fixed to the first rod. The second guiding element is movably disposed on the first rod, and the first guiding element and the second guiding element are coupled to each other. The position-limiting element is disposed at a side of the second guiding element, and the second guiding element is located between the position-limiting element and the first guiding element. The elastic element leans against the position-limiting element and the second guiding element. 1. A supporting assembly , adapted to a portable electronic device , the supporting assembly comprising:a stand; and a carrier, fixed to a portable electronic device;', 'a first rod, pivoted to the carrier, and the stand being fixed to the first rod;', 'a first guiding element, fixed to the first rod;', 'a second guiding element, movably disposed on the first rod, and the first guiding element and the second guiding element being coupled to each other;', 'at least one position-limiting element, disposed at a side of the second guiding element, and the second guiding element being located between the position-limiting element and the first guiding element; and', 'at least one elastic element, leaning against the position-limiting element and the second guiding element, wherein when the stand is rotated with respect to the carrier through the first rod, the first guiding element rotates together with the first rod and drives the second guiding element to move along a direction and compress the elastic element., 'a positioning module, comprising2. The supporting assembly as recited in claim 1 , ...

SYSTEMS AND METHODS FOR UNDERWATER ILLUMINATION, SURVEY, AND WIRELESS OPTICAL COMMUNICATIONS

Embodiments of the present disclosure describe an underwater optical communication and illumination system employing laser diodes directly encoded with data, including spectrally efficient orthogonal frequency division multiplex quadrature amplitude modulation (QAM-OFDM) data. A broadband light source may be utilized to provide both illumination to an underwater field of interest and underwater optical communication from the field of interest to a remote location. 1. A method of providing an underwater illumination source and data communication system , the method comprising:generating a signal to drive one or more laser diodes to provide an illumination field of sufficient intensity and duration to illuminate an underwater field of interest during an underwater activity; and optically directing at least some of the light from said one or more laser diodes toward a remote underwater location; and', 'at said remote underwater location, receiving said at least some of the optically-directed light and further processing received light into an information signal to yield an optically-delivered data stream during said underwater activity., 'utilizing the one or more laser diodes to also convey information within or away from the underwater field of interest, said utilizing including2. The method of claim 1 , wherein the illumination field of interest includes an underwater vehicle claim 1 , a diver claim 1 , a sea floor or undersea structure.3. The method of claim 2 , wherein said optically directing includes focusing a light beam and directing a focused light beam toward the remote underwater location.4. The method of claim 3 , wherein the focused light beam defines a plurality of parallel beams.5. The method of claim 4 , wherein said receiving including directing the light beam onto a silicon-based avalanche photodiode.6. The method of claim 1 , wherein said optical communication systems includes a spectrally efficient modulation scheme.7. The method of wherein the ...

CONNECTION MECHANISM

A connection mechanism connecting the main body and display of an electronic device includes an arm, a first hinge connecting the main body with the arm, a second hinge connecting the arm with the display, and a magnetic element disposed on the arm for exerting a magnetic attraction force on the display. When the arm rotates in a first direction relative to the main body with an included angle between the main body and the display smaller than a critical angle, a first torque opposite to the first direction is provided by the first hinge. When the arm continues rotating relative to the main body with the included angle between the main body and the display exceeding or equaling the critical angle, a second torque opposite to the first direction is provided by the first hinge, wherein the second torque exceeds the first torque. 1. A connection mechanism for connecting a main body and a display of an electronic device , comprising:an arm;a first hinge, connecting the main body with the arm;a second hinge, connecting the arm with the display; and{'sub': 'm', 'a magnetic element, disposed on the arm for exerting a magnetic attraction force Fon the display, wherein'}{'sub': 1', '2', '2', '1, 'when the arm rotates in a first direction relative to the main body with an included angle between the main body and the display smaller than a critical angle, a first torque Topposite to the first direction is provided by the first hinge, and when the arm rotates in the first direction relative to the main body with the included angle between the main body and the display exceeding or equaling the critical angle, a second torque Topposite to the first direction is provided by the first hinge, wherein the second torque exceeds the first torque (T>T).'}2. The connection mechanism as claimed in claim 1 , wherein the critical angle is from 90 to 110 degrees.3. The connection mechanism as claimed in claim 1 , wherein the magnetic element is adjacent to the first hinge.4. The connection ...

INFORMATION INTERACTION METHOD AND APPARATUS, STORAGE MEDIUM, AND ELECTRONIC APPARATUS

This application discloses an information interaction method and apparatus, a storage medium, and an electronic apparatus. The method includes obtaining a first target operation instruction in a VR scenario; selecting and displaying a first virtual operation panel corresponding to the first target operation instruction from a plurality of virtual operation panels in the VR scenario, wherein the plurality of virtual operation panels are displayed mutually independently, and are respectively configured to display different interactive objects. The method may further include obtaining an interactive operation instruction generated by an interactive operation performed by an interactive device on a target interactive object displayed in the first virtual operation panel, the interactive device being associated with the VR scenario; and in response executing a target event corresponding to the target interactive object in the VR scenario. These solutions resolve the technical problem of low information interaction flexibility in the related technology. 1. A method , comprising:simultaneously displaying, within a three-dimensional (3D) virtual reality (VR) generated environment, a plurality of virtual operation panels, each of the virtual operation panels associated with a respective one of a plurality of functions, and each of the virtual operation panels displaying an associated one of a plurality of sets of interactive objects, each of the virtual operation panels independently selectable by a virtual object of an interactive device controlled by a user of the 3D VR generated environment, each of the interactive objects of each of sets of interactive objects independently selectable by the virtual object;receiving, by a processing circuitry, a grasp operation instruction from the interactive device for the virtual object to grasp the plurality of virtual operation panels and a move instruction to move the virtual object after grasping the plurality of virtual operation ...

ULTRABROAD LINEWIDTH ORANGE-EMITTING NANOWIRES LED FOR HIGH CRI LASER-BASED WHITE LIGHTING AND GIGAHERTZ COMMUNICATIONS

Embodiments of the present disclosure describe a white light illumination system using InGaN-based orange nanowires (NWs) LED, in conjunction with a blue LD for high speed optical wireless communications. By changing the relative intensities of an ultrabroad linewidth orange LED and narrow-linewidth blue LD components, a hybrid LED/LD device achieves correlated color temperature (CCT) ranging from 3000 K to above 6000K with color rendering index (CRI) values reaching 83.1. Orange-emitting NWs LED are utilized as an active-phosphor, while a blue LD was used for both color mixing and optical wireless communications 1. A white light illumination and optical wireless communications device , comprising:a InGaN-based orange nanowires LED as an active phosphor; anda blue LD, with light from the orange nanowires LED and some of the light from the blue LD being combined to generate a white light for illumination while simultaneously other light from the blue LD is utilized for optical wireless communications.2. The device of claim 1 , wherein the orange nanowires LED is based on a platform of inGaN/GaN nanowires grown on a titanium-coated silicon substrate.3. The device of claim 1 , wherein the substrate is an n-type silicon substrate.4. The device of claim 1 , wherein the generated white light has a CRI of at least 80.5. The device of claim 1 , wherein the generated white light is used to illuminate an interior of a structure while simultaneously providing optical wireless communications within the structure interior.6. An illumination system comprising claim 1 ,a white light generator including a nanowires LED in combination with a blue LD, wherein light from the nanowires LED is mixed with some light from the blue LD to yield a white light having a CRI above 80; andan optical wireless communications component, with at least some portion of light emitted from the blue LD being modulated to communicate information to a remote location while the blue LD is simultaneously ...

System And Method For Event Summarization Using Observer Social Media Messages

A method for processing messages pertaining to an event includes receiving a plurality of messages pertaining to the event from electronic communication devices associated with a plurality of observers of the event, generating a first message stream that includes only a portion of the plurality of messages corresponding to a first participant in the event, identifying a first sub-event in the first message stream with reference to a time distribution of messages and content distribution of messages in the first message stream, generating a sub-event summary with reference to a portion of the plurality of messages in the first message stream that are associated with the first sub-event, and transmitting the sub-event summary to a plurality of electronic communication devices associated with a plurality of users who are not observers of the event. 1. A method of processing messages pertaining to an event comprising:receiving a plurality of messages pertaining to the event from electronic communication devices associated with a plurality of observers of the event;generating a first message stream that includes only a portion of the plurality of messages corresponding to a first participant in the event;identifying a first sub-event in the first message stream with reference to a time distribution of messages and content distribution of messages in the first message stream;generating a sub-event summary with reference to a portion of the plurality of messages in the first message stream that are associated with the first sub-event; andtransmitting the sub-event summary to a plurality of electronic communication devices associated with a plurality of users who are not observers of the event.2. The method of further comprising:generating a second message stream that includes only a portion of the plurality of messages corresponding to a second participant in the event;identifying a second sub-event in the second message stream with reference to a time distribution of ...

ACROSS WATER-AIR INTERFACE COMMUNICATION METHOD AND SYSTEM

A method for transmitting information across a water-air interface with a ultraviolet (UV) beam, the method including emitting the UV beam in a first medium, with a first optical wireless communication device; measuring a scintillation index of the UV beam in a second medium, different from the first medium, at a second optical wireless communication device; selecting, based on a value of the scintillation index, a modulation scheme for the UV beam; and modulating the UV beam with the selected modulation scheme. The UV beam has a wavelength in a range of 100 to 400 nm.

ULTRABROAD LINEWIDTH ORANGE-EMITTING NANOWIRES LED FOR HIGH CRI LASER-BASED WHITE LIGHTING AND GIGAHERTZ COMMUNICATIONS

Embodiments of the present disclosure describe a white light illumination system using InGaN-based orange nanowires (NWs) LED, in conjunction with a blue LD for high speed optical wireless communications. By changing the relative intensities of an ultrabroad linewidth orange LED and narrow-linewidth blue LD components, a hybrid LED/LD device achieves correlated color temperature (CCT) ranging from 3000 K to above 6000K with color rendering index (CRI) values reaching 83.1. Orange-emitting NWs LED are utilized as an active-phosphor, while a blue LD was used for both color mixing and optical wireless communications 1. A method of fabricating orange nanowire light emitting diodes (LEDs) , the method comprising:depositing a layer of titanium on a silicon substrate to provide a titanium-coated silicon substrate; andutilizing plasma-assisted molecular beam epitaxy (PA-MBE) to epitaxially deposit a plurality of indium gallium nitride (InGaN)/gallium nitride (GaN) nanowires extending from the titanium-coated silicon substrate.2. The method of claim 1 , wherein the InGaN/GaN nanowires include a plurality of GaN quantum barriers and InGaN quantum disks located between the GaN quantum barriers.3. The method of claim 2 , wherein each of the GaN quantum barrier layers are approximately 6-10 nanometers.4. The method of claim 2 , wherein each of the GaN quantum barrier layers are approximately 8 nanometers.5. The method of claim 3 , wherein each of the InGaN quantum disks are approximately 3-5 nanometers.6. The method of claim 4 , wherein each of the InGaN quantum disks are approximately 4 nanometers.7. The method of claim 2 , wherein epitaxially depositing a plurality of InGaN/GaN nanowires includes first nucleating silicon doped GaN at a first temperature.8. The method of claim 7 , wherein epitaxially depositing a plurality of of InGaN/GaN nanowire further includes growth at a second temperature claim 7 , wherein the second temperature is higher than the first temperature.9. The ...

PACKAGING DEVICE

The packaging device contains a first frame member for wrapping a first edge of a frame, a second frame member for wrapping a second edge of the frame, at least a positioning opening configured in a middle section of each first and second frame member, and at least a plugging element configured at an end of each first and second frame member for joining with a positioning opening of another frame member. The frame members not only provide protection to the frame, but also help positioning the frame and maintaining a standard distance when the frame is hung. 1. A packaging device for a frame of a painting or picture comprising:at least a first frame member for wrapping a first edge of the frame;at least a second frame member for wrapping a second edge opposing the first edge of the frame;at least a positioning opening configured in a middle section along a side of each first and second frame member; andat least a plugging element configured at an end of each first and second frame member for joining with a positioning opening of another frame member;wherein, after the first and second frame members are joined by their respective positioning opening and plugging element, an assembly formed by the first and second frame members is used to help positioning the frame.2. The packaging device according to claim 1 , wherein each frame member comprises at least a major face protecting a front or back face of an edge of the frame.3. The packaging device according to claim 2 , wherein each frame member comprises a supporting face between two opposing major faces protecting a rim of the edge of the frame.4. The packaging device according to claim 3 , wherein each supporting face has a width larger than a thickness of the frame.5. The packaging device according to claim 1 , wherein each frame member is unfolded into a flat piece.6. The packaging device according to claim 1 , wherein claim 1 , after the plugging element of the second frame member is plugged into a positioning ...

LASER COOLING OF ORGANIC-INORGANIC LEAD HALIDE PEROVSKITES

The invention relates generally to cooling matter using laser emission, and in particular, to cooling perovskite materials using laser emission. 1. A laser cooling apparatus for cooling a sample , the apparatus comprising:a laser for providing an emission;a cold chamber adapted to provide or maintain a cold environment of 200 K or less to the sample positioned in the cold chamber; andthe sample, wherein the sample comprises a perovskite material.2. The apparatus of claim 1 , wherein the sample comprises an organic-inorganic lead halide perovskite material.3. The apparatus of claim 2 , wherein the sample comprises CHNHPbI claim 2 , CHNHPbCl claim 2 , CHNHPbBr claim 2 , CHNHPbICl claim 2 , CHNHPbIBr claim 2 , CHNHPbClI claim 2 , CHNHPbClBr claim 2 , CHNHPbBrI claim 2 , CHNHPbBrCl claim 2 , or CHNHPbIClBr.4. The apparatus of claim 3 , wherein the sample comprises CHNHPbI.5. The apparatus of claim 2 , wherein the sample comprises (CHCHCHNH)PbI claim 2 , (CHCHCHNH)PbCl claim 2 , (CHCHCHNH)PbBr claim 2 , (CHCHCHNH)PbICl claim 2 , (CHCHCHNH)PbIClBr claim 2 , (CHCHCHNH)PbIClBr claim 2 , (CHCHCHNH)PbIBr claim 2 , (CHCHCHNH)PbIBrCl claim 2 , (CHCHCHNH)PbIBrCl claim 2 , (CHCHCHNH)PbICl claim 2 , (CHCHCHNH)PbIClBr claim 2 , (CHCHCHNH)PbIBr claim 2 , (CHCHCHNH)PbICl claim 2 , or (CHCHCHNH)PbIBr.6. The apparatus of claim 5 , wherein the sample comprises (CHCHCHNH)PbI.7. The apparatus of claim 1 , wherein the laser comprises a tunable wavelength.8. The apparatus of claim 7 , wherein the laser comprises a tunable wavelength of between 750 and 850 nm.9. The apparatus of claim 1 , wherein the cold chamber comprises a cryostat.10. A method for carrying out laser cooling to a sample claim 1 , the method comprising:positioning the sample in a cold chamber adapted to provide or maintain a cold environment of 200 K or less to the sample, wherein the sample comprises a perovskite material; andirradiating the sample with a laser.11. The method of claim 10 , wherein the sample comprises an ...

PORTABLE ELECTRONIC DEVICE

A portable electronic device including a first body, a second body, a hinge mechanism, a driving mechanism and a door is provided. The first body has a bottom and a heat dissipating opening located at the bottom. The second body is connected to the first body through the hinge mechanism. The driving mechanism is connected to the hinge mechanism. The door is disposed corresponding to the heat dissipating opening and is pivoted to the bottom of the first body. The door is connected to the driving mechanism and closes the heat dissipating opening in a mode. In another mode, the driving mechanism drives the door to rotate with respect to the first body, open the heat dissipating opening, and lift the first body. 1. A portable electronic device , comprising:a first body having a bottom and a heat dissipating opening located at the bottom;a second body;a hinge mechanism, wherein the second body is connected to the first body through the hinge mechanism;a driving mechanism connected to the hinge mechanism; anda door disposed corresponding to the heat dissipating opening, pivoted to the bottom of the first body, and connected to the driving mechanism, wherein in a mode, the door closes the heat dissipating opening, and in another mode, the driving mechanism drives the door to rotate with respect to the first body, open the heat dissipating opening, and lift the first body.2. The portable electronic device according to claim 1 , wherein the first body further has an air intaking opening located at the bottom claim 1 , and the air intaking opening is adjacent to the heat dissipating opening.3. The portable electronic device according to claim 2 , wherein the door blocks between the heat dissipating opening and the air intaking opening.4. The portable electronic device according to claim 1 , wherein the hinge mechanism comprises a first bracket claim 1 , a second bracket claim 1 , and a shaft claim 1 , the first bracket is fixed to the first body claim 1 , the second bracket ...

ELECTRONIC DEVICE AND DISPLAY MODULE THEREOF

A display module is provided, including a display unit, a C-shaped frame, and a first hinge member. The display unit has a display surface and a rear surface, wherein the display surface and the rear surface are formed on opposite sides of the display unit. The first hinge member is pivotally connected to an end of the C-shaped frame and is fixed to the rear surface of the display unit. 1. A display module , comprising:a display unit, having a display surface and a rear surface, wherein the display surface and the rear surface are formed on opposite sides of the display unit;a C-shaped frame; anda first hinge member, pivotally connected to an end of the C-shaped frame and fixed to the rear surface of the display unit.2. The display module as claimed in claim 1 , wherein the display module further comprises a fixing member claim 1 , and the first hinge member having a through hole claim 1 , wherein the fixing member is extended through the through hole to fix the first hinge member to the rear surface of the display unit.3. The display module as claimed in claim 1 , wherein the display module further comprises a second hinge member pivotally connected to the C-shaped frame and fixed to the rear surface of the display unit claim 1 , wherein the first hinge member and the second hinge member are adjacent to each other and disposed on opposite sides of the C-shaped frame.4. The display module as claimed in claim 1 , wherein the display module further comprises a housing covering the first hinge member.5. The display module as claimed in claim 4 , wherein the C-shaped frame extends through and protrudes from the housing.6. An electronic device claim 4 , comprising: a display unit, having a display surface and a rear surface, wherein the display surface and the rear surface are formed on opposite sides of the display unit;', 'a C-shaped frame;', 'a first hinge member, pivotally connected to an end of the C-shaped frame and fixed to the rear surface of the display unit; ...

LED LEAD FRAME AND LAMP THEREOF

An LED lead frame mounted on a platform of a lightbulb includes a metal polarity substrate, a metal retaining substrate and a casing for partially covering the metal polarity substrate and the metal retaining substrate. The metal retaining substrate is a sheet bent into a disposing portion and a carrying portion, and an included angle θis defined between the portions, and an abutting surface of the disposing portion abuts the platform, and a portion of the carrying portion not covered by the casing is provided for installing at least one LED chip. The metal polarity substrate is bent to form an included angle θ, and θ=θ, and 93°≦θ≦130°. The casing has a support member formed on the casing and protruded in a direction opposite to the direction of bending the metal retaining substrate. The LED lead frame enhances the illumination angle and light uniformity of the lightbulb. 1. A light emitting diode (LED) lead frame , mounted onto a platform inside a lightbulb , and comprising a metal polarity substrate , a metal retaining substrate and a casing for partially covering the metal polarity substrate and the metal retaining substrate , characterized in that the metal retaining substrate is a sheet bent into a disposing portion and a carrying portion , and an abutting surface of the disposing portion abuts the platform , and a portion of the carrying portion not covered by the casing is provided for installing at least one LED chip , and an included angle θis defined between the disposing portion and the carrying portion , and the metal polarity substrate is bent to form an included angle θ , and θ=θ , and 93°≦θ≦130°; and the casing has a support member formed on the casing and protruded in a direction opposite to the direction of bending the metal retaining substrate.2. The LED lead frame of claim 1 , wherein the support member is a wedge shaped member.3. The LED lead frame of claim 1 , wherein the casing further includes a weight member formed on the casing and disposed ...

CAMERA MODULE AND ELECTRONIC DEVICE

A camera module includes a module housing, a driving mechanism and a mechanical anti-shake camera assembly. The module housing has a housing inner cavity; the mechanical anti-shake camera assembly is at least partially disposed in the housing inner cavity; the mechanical anti-shake camera assembly rotates along with the module housing; the driving mechanism is connected to the module housing; the mechanical anti-shake camera assembly includes a camera; in a case that the camera is located at a first position, a lens axis of the camera is coinciding or parallel to a rotation axis of the module housing; in a case that the camera is located at a second position, an included angle is formed between the lens axis and the rotation axis of the module housing, and the driving mechanism drives the module housing to rotate. 1. A camera module , comprising a module housing , a driving mechanism and a mechanical anti-shake camera assembly , wherein the module housing has a housing inner cavity; the mechanical anti-shake camera assembly is at least partially disposed in the housing inner cavity; the mechanical anti-shake camera assembly rotates along with the module housing; the driving mechanism is connected to the module housing; the mechanical anti-shake camera assembly comprises a camera; in a case that the camera is located at a first position , a lens axis of the camera is coinciding or parallel to a rotation axis of the module housing; in a case that the camera is located at a second position , an included angle is formed between the lens axis and the rotation axis , and the driving mechanism drives the module housing to rotate.2. The camera module according to claim 1 , wherein the mechanical anti-shake camera assembly further comprises a first bracket claim 1 , the first bracket is at least partially disposed in the housing inner cavity claim 1 , the camera is hinged with the first bracket through a first hinged shaft claim 1 , the camera rotates around the first hinged ...

Virtual synchronous inverter with fast transient inrush fault currents restraining method thereof

A fault inrush transient current restraining type virtual synchronous inverter and thereof is disclosed. The invention solves the problem that a virtual synchronous inverter will be burned due to inrush transient current in an extreme situation of a symmetrical fault occurring on the grid side by setting an information collection module for inverter output voltages and currents, a virtual synchronous inverting control module, a fault detection and synthesize module, a hysteresis comparison control module and a post fault clearing switch back grid-tie control module. 1. A fault inrush transient current restraining type virtual synchronous inverter , comprising: an information collection module for inverter output voltages and currents , a virtual synchronous inverting control module , a fault detection and synthesize module , a hysteresis comparison control loop module and a post fault clearing switch back grid-tie control module; whereinthe information collection module for the inverter output voltages and currents collects an output voltage signal of the inverter, an output current signal of the inverter and a PCC voltage signal;to the virtual synchronous inverting control module realizes a virtual synchronous generator characteristics while a system operates normally;the fault detection and synthesize module detects an output current instantaneous value and a voltage peak value of the inverter in real time, determines whether there is a fault and whether the fault is cleared on a grid-side and performs a logic synthesis function;the hysteresis comparison control module suppresses an inrush current during a grid side fault; andthe post fault clearing switch back grid-tie control module starts a switch back control by adopting a fault clearing signal given by the fault detection and synthesize module; then a hysteresis comparison control output is switched to a conventional virtual synchronous inverting control.2. The fault inrush transient current restraining type ...

Led light emitting device manufacturing method and led light emitting device

Disclosed are an LED light emitting device and its manufacturing method. A blue LED chip specification is selected, a green phosphor and the blue LED chip are used to determine a green light frame on the CIE1931 chromaticity coordinates and a red phosphor together with a blue LED chip are used to determine a red light frame on the CIE1931 chromaticity coordinates, and a predetermined straight line passing through the color temperature target frame is selected, and both end points of the predetermined straight line fall within the green light frame and the red light frame, so as to determine the concentration of the green phosphor and the red phosphor, and the green and red phosphors and a blue LED chip are packaged to form a first LED and a second LED, and at least one first LED and at least one second LED are installed on a substrate.

MULTIFUNCTIONAL LIGHT, DATA DEVICE, OR COMBINATION AND SYSTEMS

Embodiments of the present disclosure provide devices and systems including a material including a halide perovskite and/or phosphor to produce and/or communicate using visible light, and the like. 1. A device , comprising:an excitation source; anda material including halide perovskite nanocrystals,wherein the excitation source emits a first light energy,wherein the material absorbs the first light energy from the excitation source and emits a second light energy at a wavelength in the visible range, andwherein the first light energy and the second light energy are at different wavelengths.2. The device of claim 1 , wherein the halide perovskite nanocrystals are AMX claim 1 , wherein A is an organic or inorganic cation claim 1 , M is a divalent cation selected from the group consisting of: Pb and Sn claim 1 , and X is selected from a halide.3. The device of claim 1 , wherein the halide perovskite nanocrystals are selected from the group consisting of: MAPbI claim 1 , MAPbBr claim 1 , FAPbBr claim 1 , FAPbI claim 1 , MAPbCl claim 1 , FAPbCl claim 1 , CsPbI claim 1 , CsPbCl claim 1 , CsPbBr claim 1 , FASnI claim 1 , FASnBr claim 1 , FASnCl claim 1 , MASnI claim 1 , MASnBr claim 1 , and MASnCl claim 1 , CsSnI claim 1 , CsSnBr claim 1 , CsSnCl claim 1 , wherein MA is methylammonium and FA is formamidinium.4. The device of claim 1 , wherein the excitation source is a blue laser diode or blue LED.5. The device of claim 1 , wherein the material is a solid mixture of the halide perovskite nanocrystals claim 1 , and phosphor.6. The device of claim 1 , wherein the material is a mixture of the halide perovskite nanocrystals and claim 1 , a phosphor encapsulated in a polymer.7. The device of claim 6 , wherein the polymer is selected from the group consisting of: polyurethanes claim 6 , latex rubbers claim 6 , silicon rubbers claim 6 , other rubbers claim 6 , polyvinylchloride (PVC) claim 6 , vinyl polymers claim 6 , polyesters claim 6 , polyacrylates claim 6 , polyamides claim ...

Smoothing Images Using Machine Learning

Smoothing images using machine learning is described. In one or more embodiments, a machine learning system is trained using multiple training items. Each training item includes a boundary shape representation and a positional indicator. To generate the training item, a smooth image is downscaled to produce a corresponding blocky image that includes multiple blocks. For a given block, the boundary shape representation encodes a blocky boundary in a neighborhood around the given block. The positional indicator reflects a distance between the given block and a smooth boundary of the smooth image. In one or more embodiments to smooth a blocky image, a boundary shape representation around a selected block is determined. The representation is encoded as a feature vector and applied to the machine learning system to obtain a positional indicator. The positional indicator is used to compute a location of a smooth boundary of a smooth image.

CHARGE DETERMINATION

In some examples a computing device, comprising a battery, a processing resource and a memory resource storing non-transitory machine-readable instructions can cause the processing resource to determine a battery charge capacity of the battery, in response to the battery charge capacity being less than a threshold capacity, cause the battery to charge, and in response to the battery charge capacity being greater than the threshold capacity, compare the battery charge capacity of the computing device with a different battery charge capacity associated with a different computing device, and based on the comparison, cause a charge determination event to occur. 1. A computing device , comprising:a battery;a processing resource; determine a battery charge capacity of the battery;', 'in response to the battery charge capacity being less than a threshold capacity cause the battery to charge;', 'in response to the battery charge capacity being greater than the threshold capacity, compare the battery charge capacity of the computing device with a different battery charge capacity associated with a different computing device; and', 'based on the comparison, cause a charge determination event to occur., 'a memory resource storing non-transitory machine-readable instructions to cause the processing resource to2. The computing device of claim 1 , wherein the charge determination event includes delaying the battery from being charged.3. The computing device of claim 2 , wherein the processing resource is to delay the battery from being charged for a predetermined amount of time.4. The computing device of claim 1 , wherein the processing resource is to compare claim 1 , in response to the battery charge capacity being greater than the threshold capacity claim 1 , the battery charge capacity against ranked battery charge capacities of other computing devices having battery charge capacities greater than the threshold capacity.5. The computing device of claim 4 , wherein the ...

SUPPORTING ASSEMBLY

A supporting assembly including a stand and a positioning module is provided. The positioning module includes a carrier, a first rod, a first guiding element, a second guiding element, at least one position-limiting element, and at least one elastic element. The carrier is fixed to a portable electronic device. The first rod is pivoted to the carrier and the stand is fixed to the first rod. The first guiding element is fixed to the first rod. The second guiding element is movably disposed on the first rod, and the first guiding element and the second guiding element are coupled to each other. The position-limiting element is disposed at a side of the second guiding element, and the second guiding element is located between the position-limiting element and the first guiding element. The elastic element leans against the position-limiting element and the second guiding element. 1. A supporting assembly , adapted to a portable electronic device , the supporting assembly comprising:a stand; and a carrier, fixed to the portable electronic device;', 'a first rod, pivoted to the carrier, and the stand being fixed to the first rod;', 'a first guiding element, fixed to the first rod;', 'a second guiding element, movably disposed on the first rod, and the first guiding element and the second guiding element being coupled to each other;', 'at least one position-limiting element, disposed at a side of the second guiding element, and the second guiding element being located between the position-limiting element and the first guiding element; and', 'at least one elastic element, leaning against the position-limiting element and the second guiding element, and the elastic element being misaligned to the first rod, wherein when the stand is rotated with respect to the carrier through the first rod, the first guiding element rotates together with the first rod and drives the second guiding element to move along a direction and compress the elastic element., 'a positioning module, ...

CHANNEL STRUCTURE HAVING TUNNELING LAYER WITH ADJUSTED NITROGEN WEIGHT PERCENT AND METHODS FOR FORMING THE SAME

Embodiments of memory devices and fabrication methods thereof are disclosed. In an example, a memory device includes a substrate, a memory stack, and a channel structure. The memory stack includes interleaved conductor layers and dielectric layers over the substrate. The channel structure extends through the memory stack into the substrate and includes a functional layer that includes a tunneling layer of which a nitrogen weight percent is not greater than about 28%. 1. A memory device , comprising:a substrate;a memory stack comprising interleaved conductor layers and dielectric layers over the substrate; anda channel structure extending through the memory stack into the substrate, wherein the channel structure comprises a functional layer that comprises a tunneling layer of which a nitrogen weight percent is not greater than about 28%.2. The memory device of claim 1 , wherein the functional layer further comprises a blocking layer and a memory layer claim 1 , the blocking layer claim 1 , the memory layer claim 1 , and the tunneling layer arranged radially from a sidewall to a center of the channel structure.3. The memory device of claim 1 , wherein the nitrogen weight percent is in a range of about 10% to about 28%.4. The memory device of claim 1 , wherein an oxygen weight percent in the tunneling layer is in a range of about 32% to about 46%.5. The memory device of claim 1 , wherein the channel structure further comprises:a semiconductor layer over the tunneling layer; anda dielectric core over the semiconductor layer and filling up the channel structure.6. The memory device of claim 1 , wherein the tunneling layer comprises silicon oxynitride.7. The memory device of claim 1 , wherein the tunneling layer comprises a composite structure that comprises a plurality of silicon oxynitride layers.8. The memory device of claim 1 , further comprising a semiconductor plug in contact with the substrate and the channel structure.9. The memory device of claim 1 , wherein the ...

PORTABLE ELECTRONIC DEVICE

A portable electronic device including a body, a stand, and first and second magnetic assemblies is provided. The stand is pivoted to the body to rotate and being opened or closed relative to the body. The first magnetic assembly having a first magnetic dipole is movably disposed in the body. The second magnetic assembly having a second magnetic dipole is disposed on the stand. When the stand is closed to the body, the first and second magnetic dipoles correspond to each other, and produce a first and second corresponding states. In the first corresponding state, magnetic poles with opposite polarities of the first and second magnetic dipoles correspond to and attract each other. In the second corresponding state, magnetic poles with the same polarity of the first and second magnetic dipoles correspond to and repel each other, and the stand is spread relative to the body due to the repulsion. 1. A portable electronic device , comprising:a body;a stand, pivoted to the body to be opened or closed;at least one first magnetic assembly, having a first magnetic dipole, and movably disposed in the body;at least one second magnetic assembly, having a second magnetic dipole, and disposed on the stand, wherein when the stand is closed to the body, the first magnetic dipole and the second magnetic dipole correspond to each other, and produce a first corresponding state and a second corresponding state along with movement of the first magnetic dipole in the body, in the first corresponding state, magnetic poles with opposite polarities of the first magnetic dipole and the second magnetic dipole correspond to and attract each other, such that the stand is closed to the body due to the attraction, in the second corresponding state, magnetic poles with a same polarity of the first magnetic dipole and the second magnetic dipole correspond to and repel each other, and the stand is spread relative to the body due to the repulsion; andan input interface, having an input portion and a ...

DATA ISOLATION IN A BLOCKCHAIN NETWORK

Implementations of the present specification include receiving, by a blockchain node in the blockchain network, a request to read a particular block of the blockchain, wherein the request is received from a light-weight node of the blockchain network and includes an identity of the light-weight node, and wherein the particular block includes an original Merkle tree associated with the particular block; identifying, by the blockchain node, permissions associated with the identity of the light-weight node; generating, by the blockchain node, an isolated Merkle tree based on the original Merkle tree included in the block, the isolated Merkle tree including only transactions from the original Merkle tree that are determined to be accessible by the light-weight node based on the identified permissions, wherein the isolated Merkle tree is consistent with the original Merkle tree; and sending, by the blockchain node, a response to the light-weight node including the isolated Merkle tree. 124.-. (canceled)25. A computer-implemented method for protecting sensitive data stored on a blockchain maintained by a blockchain network , the method comprising:receiving, by a blockchain node in the blockchain network, a request to read a particular block of the blockchain, wherein the request is received from a light-weight node of a plurality of light-weight nodes of the blockchain network and includes an identity of the light-weight node, wherein the particular block is represented by an original Merkle tree containing a plurality of branches and a block header, each branch of the original Merkle tree comprising a plurality of transactions and a plurality of hash values that are generated based on respective corresponding transactions;responsive to receiving the request, identifying, by the blockchain node, permissions associated with the identity of the light-weight node;responsive to identifying the permissions, determining, by the blockchain node, a subset of transactions from the ...

SWING CHAIR

A swing chair includes a base, a seat, and a driving frame. The seat is disposed above the base. The driving frame is disposed between the base and the seat. The driving frame includes a first fixing base, a first shaft, a second fixing base, a second shaft, a first driving assembly, and a second driving assembly. The first fixing base is fixed to the base. The first shaft is rotatably connected to the first fixing base. The second fixing base is fixed to the seat. The second shaft is connected to the first shaft and the second fixing base is rotatably connected to the second shaft. The first driving assembly is configured to drive the first shaft to rotate with respect to the first fixing base. The second driving assembly is configured to drive the second fixing base to rotate with respect to the second shaft. 1. A swing chair , comprising:a base;a seat, disposed above the base; and a first fixing base, fixed to the base;', 'a first shaft rotatably, connected to the first fixing base;', 'a second fixing base, fixed to the seat;', 'a second shaft, connected to the first shaft, and the second fixing base is rotatably connected to the second shaft;', 'a first driving assembly, configured to drive the first shaft to rotate with respect to the first fixing base; and', 'a second driving assembly, configured to drive the second fixing base to rotate with respect to the second shaft., 'a driving frame, disposed between the base and the seat, wherein the driving frame comprises2. The swing chair according to claim 1 , wherein the first shaft and the second shaft are perpendicular to each other.3. The swing chair according to claim 1 , wherein the first driving assembly comprises:a motor, fixed to the first shaft;a bearing, fixed to the first fixing base;a driven member, fixed to the bearing, and the first shaft is connected to the bearing; anda linking member, coupled to the motor and the driven member.4. The swing chair according to claim 3 , wherein the linking member ...

GRAPHICAL INSTRUCTION DATA PROCESSING METHOD AND APPARATUS, AND SYSTEM

A graphical instruction data processing method and apparatus, and a system are disclosed, to help reduce a quantity of transmitted graphical instruction data, and lower a requirement on bandwidth. Aspects of the disclosure provide a method for processing graphical instruction data. The method includes obtaining, by a server device in a cloud interactive system, graphical instruction data of a frame, and determining whether the frame satisfies a key frame setting condition. Further, the method includes when the frame is determined to fail to satisfy the key frame setting condition, comparing the graphical instruction data of the frame with graphical instruction data of a current key frame, to obtain differential data, and sending the differential data to user equipment in the cloud interactive system. The user equipment reconstructs the graphical instruction data of the frame according to the current key frame and the differential data. 1. A method for processing graphical instruction data , comprising:obtaining, by processing circuitry of a server device that interacts with user equipment in an interactive system, graphical instruction data of a frame;determining whether the frame satisfies a key frame setting condition;when the frame is determined to fail to satisfy the key frame setting condition, comparing the graphical instruction data of the frame with graphical instruction data of a current key frame, to obtain differential data; andsending the differential data to the user equipment, the user equipment reconstructing the graphical instruction data of the frame according to the current key frame and the differential data.2. The method according to claim 1 , wherein after the determining whether the frame satisfies the key frame setting condition claim 1 , the method further comprises:when the frame is determined to satisfy the key frame setting condition, recording the frame as a new current key frame; andsending the graphical instruction data of the frame to ...

VIDEO-BASED FALL RISK ASSESSMENT SYSTEM

Various embodiments of a video-based fall risk assessment system are disclosed. During operation, this fall risk assessment system can receives a sequence of video frames including a person being monitored for fall risk assessment. The system next generates a sequence of action labels for the sequence of video frames by, for each video frame in the sequence of video frames: estimating a pose of the person within the video frame; and classifying the estimated pose as a given action among a set of predetermined actions. Next, the system identifies a subset of action labels within the sequence of action labels. The system next extracts a set of gait features for the person from a subset of video frames within the sequence of video frames corresponding to the subset of action labels. Subsequently, the system analyzes the set of extracted gait features to generate a fall risk assessment for the person. In some embodiments, the sequence of video frames is captured during a predetermined time period, such as an hour, a day, or a week. 1. A method of performing video-based fall risk assessment , comprising:receiving a sequence of video frames including a person being monitored for fall risk assessment; estimating a pose of the person within the video frame; and', 'classifying the estimated pose as a given action among a set of predetermined actions;, 'generating a sequence of action labels for the sequence of video frames by, for each video frame in the sequence of video framesidentifying a subset of action labels within the sequence of action labels;extracting a set of gait features for the person from a subset of video frames within the sequence of video frames corresponding to the subset of action labels; andanalyzing the set of extracted gait features to generate a fall risk assessment for the person.2. The method of claim 1 , wherein the sequence of video frames is captured during a predetermined time period.3. The method of claim 2 , wherein the predetermined time ...

HINGE MECHANISM FOR PIVOTING A CASING AND A STAND AND AN ELECTRONIC DEVICE THEREWITH

A hinge mechanism includes a base, a resilient mechanism, a rotating shaft, a first cam member and a second cam member. The resilient mechanism is movably disposed on the base. The rotating shaft is rotably disposed through the base. The first cam member abuts against the resilient mechanism and is able to slide along the rotating shaft. The first cam member is able to move with the rotating shaft. The second cam member is mounted on the base and engages with the first cam member. The first cam cooperates with the second cam member during rotation with the rotating shaft, resulting in displacement between the first cam member and the second cam member for forcing the resilient mechanism to deform and generates a resilient recovery force. The resilient recovery force recovers the first cam member and the second cam member. 1. A hinge mechanism for pivoting a casing with a stand , comprising:a base mounted on the casing;a resilient mechanism movably disposed on the base;a rotating shaft rotably disposed through the base, the rotating shaft having a longitudinal axis, a connecting end and an engaging portion, the connecting end being connected to the stand, so that the rotating shaft rotates relative to the base along with the stand;a first cam member abutting against the resilient mechanism and being slidable along the longitudinal axis, the first cam member engaging with the engaging portion, so that the first cam member rotates with the rotating shaft; anda second cam member mounted on the base and cam-cooperated with the first cam member, the first cam member cooperating with the second cam member when the first cam member rotates with the rotating shaft, so that the first cam member displaces along the longitudinal axis relative to the second cam member for deforming the resilient mechanism.2. The hinge mechanism of claim 1 , wherein the resilient mechanism comprises:a moving frame movably disposed on the base;at least one fixing member installed on the base; ...

METHOD OF FABRICATING ORANGE-EMITTING NANOWIRES LEDs

Embodiments of the present disclosure describe a white light illumination system using InGaN-based orange nanowires (NWs) LED, in conjunction with a blue LD for high speed optical wireless communications. By changing the relative intensities of an ultrabroad linewidth orange LED and narrow-linewidth blue LD components, a hybrid LED/LD device achieves correlated color temperature (CCT) ranging from 3000 K to above 6000K with color rendering index (CRI) values reaching 83.1. Orange-emitting NWs LED are utilized as an active-phosphor, while a blue LD was used for both color mixing and optical wireless communications 1. An orange nanowire light-emitting diode (LED) , comprising:a titanium-coated silicon substrate; anda plurality of InGaN/GaN nanowires grown on the titanium-coated silicon substrate.2. The orange nanowire LED of claim 1 , wherein the substrate is an n-type silicon substrate.3. The orange nanowire LED of claim 1 , wherein the InGaN/GaN nanowires comprise a plurality of InGaN quantum disks located between GaN barriers.4. The orange nanowire LED of claim 3 , wherein the InGaN/GaN nanowires are tapered claim 3 , wherein a lateral size of the nanowire increases from a base.5. The orange nanowire LED of claim 4 , wherein a base of the plurality of InGaN/GaN nanowires located adjacent to the titanium-coated silicon substrate is nucleated.6. The orange nanowire LED of claim 4 , wherein the nucleated base of the plurality of InGaN/GaN nanowires comprises titanium nitride (TiN).7. The orange nanowire LED of claim 1 , wherein the plurality of InGaN/GaN nanowires have a height of approximately 800 nanometers.8. A white light illumination and optical wireless communications device claim 1 , comprising:a blue LD;a modulator connected to modulate current supplied to the blue LD to encode digital data on an output of the blue LD;a plano-convex lens configured to receive the output of the blue LD and to collimate the output of the blue LD;an orange nanowire light emitting ...

LITHIUM BATTERY USING LITHIUM POLYSULFIDE AS THE CATHODE ACTIVE MATERIAL

A lithium-sulfur battery comprises a cathode electrode comprising from 80% to 100% lithium polysulfide based on the total weight of sulfur adsorbed at the cathode when the lithium sulfur battery is fully charged, and a high specific surface area electrically conductive material. An anode electrode comprises lithium. A porous and electrically insulating membrane is provided between the cathode and the anode electrodes. An electrolyte is adsorbed into and between cathode electrode, the anode electrode, and the membrane. A cathode current collector is electrically connected to the cathode and an anode current collector is electrically connected to the anode. A porous and electrically conductive interlayer can be provided between the membrane and at least one selected from the group consisting of the cathode and the anode. A method of making a battery is also disclosed. 1. A lithium-sulfur battery , comprising:a cathode electrode comprising from 80% to 100% lithium polysulfide based on the total weight of sulfur adsorbed at the cathode when the lithium sulfur battery is fully charged, and a high specific surface area electrically conductive material;an anode electrode comprising lithium;a porous and electrically insulating membrane between the cathode and the anode electrodes;an electrolyte adsorbed into and between cathode electrode, the anode electrode, and the membrane; and,a cathode current collector and an anode current collector.2. The lithium sulfur battery of claim 1 , wherein the lithium polysulfide is at least one selected from the group consisting of LiS claim 1 , LiS claim 1 , and LiS.3. The lithium-sulfur battery of claim 1 , wherein the lithium polysulfide is LiS.4. The lithium-sulfur battery of claim 1 , wherein the weight ratio of LiSand high specific surface area electrically conductive material is within a range of 1:5 to 10:1.5. The lithium-sulfur battery of claim 1 , wherein the ratio of electrolyte volume to the weight of LiSis less than 10 mL ...

METHOD AND APPARATUS FOR DISPLAYING FACE OF VIRTUAL ROLE, COMPUTER DEVICE, AND READABLE STORAGE MEDIUM

The present disclosure describes a method and apparatus for displaying a face of a virtual role, a terminal, and a storage medium, and relates to the field of human-machine interaction. The method includes obtaining a face parameter corresponding to a user face, the face parameter being used for indicating a facial feature of a face region of the user face. The method also includes determining a warping control parameter according to the face parameter, the warping control parameter being used for controlling a warping degree of a face region of a virtual role; generating a virtual role face image according to the warping control parameter and a warping image set, the warping image set comprising a basic face image and at least one basic warping face image of the virtual role, and different basic warping face images corresponding to different face warping manners; and displaying the virtual role face image. 1. A method for displaying a face of a virtual role , the method comprising:obtaining, by a device comprising a memory storing instructions and a processor in communication with the memory, a face parameter corresponding to a user face, the face parameter being used for indicating a facial feature of a face region of the user face;determining, by the device, a warping control parameter according to the face parameter, the warping control parameter being used for controlling a warping degree of a face region of a virtual role;generating, by the device, a virtual role face image according to the warping control parameter and a warping image set, the warping image set comprising a basic face image and at least one basic warping face image of the virtual role, and different basic warping face images corresponding to different face warping manners; anddisplaying, by the device, the virtual role face image.2. The method according to claim 1 , wherein the generating the virtual role face image according to the warping control parameter and the warping image set ...

UTILIZING NONCE TABLE TO RESOLVE CONCURRENT BLOCKCHAIN TRANSACTION FAILURE

Implementations of the present disclosure include initializing a nonce table comprising a plurality of nonce slots, each nonce slot being associated with a nonce index and a status, and storing a respective nonce value; receiving a request for a nonce value from an application, and in response, requesting a nonce value from the nonce table; receiving a nonce value in response to the request, a status of a nonce slot corresponding to the nonce value being set to occupied; and in response to a transaction using the nonce value being one of successful and failed, executing one of: releasing the nonce value within the nonce slot and setting the status to unoccupied, if the transaction is successful, and setting the status to unoccupied, if the transaction failed. 1. A computer-implemented method for providing nonce values for transaction processing in blockchain networks , the method being executed by one or more processors , and comprising:initializing a nonce table comprising a plurality of nonce slots, each nonce slot being associated with a nonce index and a status, and storing a respective nonce value;receiving a request for a nonce value from an application, and in response, requesting a nonce value from the nonce table;receiving a nonce value in response to the request, a status of a nonce slot corresponding to the nonce value being set to occupied; and releasing the nonce value within the nonce slot and setting the status to unoccupied, if the transaction is successful, and', 'setting the status to unoccupied, if the transaction failed., 'in response to a transaction using the nonce value being one of successful and failed, executing one of2. The method of claim 1 , wherein releasing the nonce value within the nonce slot comprises storing an incremented nonce value in the nonce slot.3. The method of claim 1 , further comprising:receiving a second request for a nonce value from the application, and in response, requesting a nonce value from the nonce table; ...

Virtual-environment-based object construction method and apparatus, computer device, and computer-readable storage medium

A virtual-environment-based object construction method and apparatus, and a computer-readable storage medium are disclosed in this disclosure, relating to the field of virtual environment. Performed by a terminal comprising a camera, the method including: displaying an environment interface; receiving a capture operation being used for acquiring three-dimensional (3D) information of a to-be-acquired object; receiving a position input operation for determining a display position of the target object in the virtual environment; and displaying the target object at the display position in the virtual environment according to the capture operation and the position input operation.

ELECTRONIC DEVICE

An electronic device including a first case, a first protrusion, a click pad and a frame is provided. The first case has an accommodating cavity, wherein the accommodating cavity is recessed from a surface of the first case and forms a bottom plate, first and second side walls which are erected on one pair of opposite sides of the bottom plate, and two third side walls which are erected on another pair of opposite sides of the bottom plate. The first protrusion is disposed on the bottom plate. The click pad has a switch. The frame is disposed between the first case and the clip pad, wherein the click pad is assembled in the accommodating cavity by the frame, and the switch directly faces to the first protrusion. 1. An electronic device , comprising:a first case, having an accommodating cavity, wherein the accommodating cavity is recessed from a surface of the first case and the accommodating cavity forms a bottom plate, a first side wall and a second side wall erected on one pair of opposite sides of the bottom plate, and two third side walls erected on another pair of opposite sides of the bottom plate;a first protrusion, disposed on the bottom plate;a click pad, having a switch; anda frame, disposed between the first case and the click pad, wherein the click pad is assembled in the accommodating cavity by the frame, and the switch faces directly to the first protrusion.2. The electronic device as recited in claim 1 , further comprising a second case and a bracket claim 1 , wherein the second case is assembled to the first case so that the bracket is clamped between the first case and the second case claim 1 , and the bracket is made by conductive materials claim 1 , and the bracket and the click pad are electrically connected.3. The electronic device as recited in claim 2 , wherein the bracket has a resilient piece claim 2 , the resilient piece leans against the click pad and the resilient piece is electrically connected with the bracket and the click pad.4. The ...

GENERALIZED QUANTUM CHANNELS

According to some aspects, a quantum information system is provided that includes an ancilla qubit; a qudit coupled to the ancilla qubit, a detector configured to generate a detection result based on a quantum state of the ancilla qubit, and a driving source coupled to the qudit and the ancilla qubit and configured to apply at least one qudit driving signal to the qudit based on the detection result and at least one qubit driving signal to the qudit based on the detection result. 1. A quantum information system comprising:an ancilla qubit;a qudit coupled to the ancilla qubit;a detector configured to generate a detection result based on a quantum state of the ancilla qubit; anda driving source coupled to the qudit and the ancilla qubit and configured to apply at least one qudit driving signal to the qudit based on the detection result and at least one qubit driving signal to the qudit based on the detection result.2. The quantum information system of claim 1 , further comprising a controller coupled to the driving source and the detector claim 1 , wherein the controller is configured to:receive, from the detector, a detection signal indicative of the detection result;control the driving source to drive the qudit with the at least one qudit driving signal; andcontrol the driving source to drive the qubit with the at least one qubit driving signal.3. The quantum information system of claim 2 , wherein the controller is further configured to:obtain an indication of a desired quantum channel;determine the at least one qudit driving signal based on the indication of the desired quantum channel; anddetermine the at least one qubit driving signal based on the indication of the desired quantum channel.4. The quantum information system of claim 3 , wherein the indication of the desired quantum channel is received from a user.5. The quantum information system of claim 3 , wherein the indication of the desired quantum channel comprises a plurality of Kraus operators.6. The ...

PIVOTING MECHANISM AND ELECTRONIC DEVICE

A pivoting mechanism includes a first hollow tube and a second hollow tube. The second hollow tube is rotatably sleeved on the first hollow tube to generate a torsion force with the first hollow tube. An electronic device is also provided. 1. A pivoting mechanism , comprising:a first hollow tube; anda second hollow tube, rotatably sleeved on the first tube to generate a torsion force with the first hollow tube.2. The pivoting mechanism according to claim 1 , wherein the first hollow tube comprises a main portion and an extending portion connected to the main portion claim 1 , an outer diameter of the extending portion is less than an outer diameter of the main portion claim 1 , an outer diameter of the second hollow tube is greater than the outer diameter of the extending portion claim 1 , and the second hollow tube is sleeved on the extending portion of the first hollow tube.3. The pivoting mechanism according to claim 2 , wherein the first hollow tube comprises at least one groove located on the extending portion claim 2 , and a space is existed between the groove and an inner wall of the second hollow tube when the second hollow tube is sleeved on the extending portion.4. The pivoting mechanism according to claim 2 , wherein the first hollow tube comprises a first tubing member and a second tubing member connected to each other with partially overlapped claim 2 , and the extending portion is a portion of the second tubing member not overlapped by the first tubing member.5. The pivoting mechanism according to claim 4 , wherein cross sections of overlapped portions of the first tubing member and the second tubing member are non-circular.6. The pivoting mechanism according to claim 4 , wherein a rough outer surface of the second tubing member is overlapped by the first tubing member.7. The pivoting mechanism according to claim 1 , wherein the first hollow tube comprises a first opening claim 1 , a second opening claim 1 , and a third opening claim 1 , the first ...

ELECTRONIC CIGARETTE WITH ADDITIONAL FUNCTIONS OF ALCOHOL TESTING AND WIRELESS COMMUNICATION

An electronic cigarette able to test for alcohol on the breath and transmit such data by wire or wirelessly to another device for comparison purposes and for display includes a liquid module, an atomizer, an alcohol testing module, and a microprocessor. Tobacco tar from the liquid module is converted by the atomizer into smoke. The alcohol testing module detects user's alcohol concentration on the breath when the electronic cigarette is turned on. The microprocessor records all data and establishes wireless communication with a portable electronic device and/or a server. The operating data of the atomizer and the alcohol concentration data can be transmitted to the portable electronic device and/or the server for being analyzed and storage. 1. An electronic cigarette , comprising:a liquid module configured to contain tobacco tar;an atomizer converting the tobacco tar in the liquid module into smoke;an alcohol testing module detecting an alcohol concentration of breath when the electronic cigarette is turned on; anda microprocessor recording operating data of the atomizer and alcohol concentration data detected by the alcohol testing module;wherein the electronic cigarette establishes wireless communication with a portable electronic device and/or a server, the microprocessor transmits the operating data of the atomizer and the alcohol concentration data to the portable electronic device and/or the server for being analyzed and stored.2. The electronic cigarette of claim 1 , further comprising a wireless communication module claim 1 , wherein the electronic cigarette establishes wireless communication with the portable electronic device and/or the server through the wireless communication module claim 1 , and transmits the operating data of the atomizer and the alcohol concentration data to the portable electronic device and/or the server through the wireless communication module.3. The electronic cigarette of claim 2 , wherein the wireless communication module is ...

DATA ISOLATION IN BLOCKCHAIN NETWORKS

Implementations of this specification include receiving a synchronization request from a light-weight node of the blockchain network including an identity of the light-weight node; identifying one or more permissions associated with the identity of the light-weight node; determining an original world state structure associated with the block height and including a plurality of account records; identifying based on the one or more permissions, a subset of the plurality of account records that are authorized for access by the light-weight node; generating an isolated world state structure based on the original world state data structure including only the subset of the plurality of account records that are authorized for access by the light-weight node; sending a response to the light-weight node that includes the isolated world state data structure. 127.-. (canceled)28. A computer-implemented method for isolating data stored on a blockchain maintained by a blockchain network , the method comprising:receiving, by a blockchain node in the blockchain network, a synchronization request from a light-weight node of the blockchain network, wherein the synchronization request comprises an identity of the light-weight node and a block height associated with the synchronization request;identifying, by the blockchain node, one or more permissions associated with the identity of the light-weight node;determining, by the blockchain node, an original world state structure comprising a plurality of account records that are within the block height specified by the synchronization request, each account record storing state information for an account associated with the account record, wherein the original world state structure is determined based on the block height associated with the synchronization request and comprises a plurality of blocks in the blockchain network between a block to be synchronized and a genesis block at a time when the block associated with the block height ...

DATA ISOLATION IN A BLOCKCHAIN NETWORK

Implementations of the present specification include receiving, by a blockchain node in the blockchain network, a request to read a particular block of the blockchain, wherein the request is received from a light-weight node of the blockchain network and includes an identity of the light-weight node, and wherein the particular block includes an original Merkle tree associated with the particular block; identifying, by the blockchain node, permissions associated with the identity of the light-weight node; generating, by the blockchain node, an isolated Merkle tree based on the original Merkle tree included in the block, the isolated Merkle tree including only transactions from the original Merkle tree that are determined to be accessible by the light-weight node based on the identified permissions, wherein the isolated Merkle tree is consistent with the original Merkle tree; and sending, by the blockchain node, a response to the light-weight node including the isolated Merkle tree. 1. A computer-implemented method for protecting sensitive data stored on a blockchain maintained by a blockchain network , the method comprising:receiving, by a blockchain node in the blockchain network, a request to read a particular block of the blockchain, wherein the request is received from a light-weight node of the blockchain network and includes an identity of the light-weight node, and wherein the particular block includes an original Merkle tree containing a plurality of transactions associated with the particular block;identifying, by the blockchain node, permissions associated with the identity of the light-weight node;generating, by the blockchain node, an isolated Merkle tree based on the original Merkle tree included in the particular block, the isolated Merkle tree including only transactions from the original Merkle tree that are determined to be accessible by the light-weight node based on the identified permissions, wherein the isolated Merkle tree is consistent with the ...

An Apparatus Comprising A Waveguide-Modulator And Laser-Diode And A Method Of Manufacture Thereof

Example apparatuses are provided for simultaneous generation of high intensity light and modulated light signals at low modulation bias operating characteristics. An example apparatus includes a semipolar or nonpolar GaN-based substrate, a reverse-biased waveguide modulator section, and a forward-biased gain section based on InGaN/GaN quantum-well active regions, wherein the forward-biased gain section is grown on the semipolar or nonpolar GaN-based substrate. Methods of manufacturing the apparatuses described herein are also contemplated and described herein. 1. An apparatus for simultaneous generation of high intensity light and modulated light signals at low modulation bias operating characteristics , the apparatus comprising:a semipolar or nonpolar GaN-based substrate;a reverse-biased waveguide modulator section; anda forward-biased gain section based on InGaN/GaN quantum-well active regions, wherein the forward-biased gain section is grown on the semipolar or nonpolar GaN-based substrate.2. The apparatus of claim 1 , wherein the semipolar or nonpolar GaN-based substrate comprises a bulk GaN substrate or a group-III-nitride-based template-substrate.3. The apparatus of claim 1 , wherein the template substrate includes planar claim 1 , micro-structured crystals or nano-structured crystals of GaN fabricated on silicon claim 1 , sapphire claim 1 , silicon carbide claim 1 , AlN claim 1 , or InN substrates.4. The apparatus of claim 1 , further comprising a monitoring photodetector section configured to enable power monitoring and auto-tuning.5. The apparatus of claim 4 , wherein the reverse-biased waveguide modulator section comprises the monitoring photodetector section.6. The apparatus of claim 1 , wherein the reverse-biased waveguide modulator section comprises a forward-biased semiconductor optical amplifier section configured to enable use of high power light sources.7. (canceled)8. The apparatus of claim 1 , wherein the reverse-biased waveguide modulator section ...

SMART MODULE FOR SMART SHOE

A smart module for a smart shoe includes a second cover, a first cover, an antenna, a circuit board, and a power supply unit. The second cover cooperates with the first cover to form a housing for receiving the antenna, the circuit board, and the power supply unit. The antenna and the power supply unit are electrically connected to the circuit board. The power supply unit supplies power to the circuit board and the antenna. The first cover includes at least one positioning member. The antenna includes at least one positioning hole. The circuit board includes at least one positioning hole. The positioning holes in the antenna and the circuit board align with and receive the positioning member of the first cover to ensure that the antenna and the circuit board are mounted at appropriate locations in the first cover. Therefore, the smart module facilitates easy assembly. 1. A smart module for a smart shoe comprising:a first cover comprising at least one positioning member;a second cover cooperating with the first cover to form a housing having a housing interior;an antenna mounted in the housing interior, and the antenna comprising at least one positioning hole for aligning with and receiving the positioning member of the first cover;a circuit board mounted in the housing interior, and the circuit board comprising at least one positioning hole for aligning with and receiving the positioning member of the first cover; anda power supply unit mounted in the housing interior, and the power supply unit supplying power to the circuit board and the antenna;wherein the antenna and the power supply unit are electrically connected to the circuit board.2. The smart module of claim 1 ,wherein the first cover comprises a first positioning member, a second positioning member, and a third positioning member;wherein the antenna comprises a positioning hole for aligning with and receiving the first positioning member and the second positioning member of the first cover; andwherein the ...

LED PACKAGE STRUCTURE FOR ENHANCING MIXED LIGHT EFFECT

An LED package structure for enhancing mixed light effect comprises: at least one first light emitting chip; at least one second light emitting chip, a frame structure having a first containing portion, a second containing portion, a spacing portion and a light mixing area; a first colloid, filled into the first containing portion; a second colloid, filled into the second containing portion; and an encapsulating colloid, packaged and filled into the light mixing area. This design can enhance the light emission efficiency and achieve a uniform light-mixing dot light source. 1. An white-light LED package structure for enhancing mixed light effect , comprising:one first light emitting chip, for providing a light source with a wavelength of 400 nm˜500 nm;one second light emitting chip, for providing a light source with a wavelength of 600 nm˜700 nm; a first containing portion, being a downwardly tapered cup structure provided for installing the first light emitting chip;', 'a second containing portion, being a downwardly tapered cup structure, for installing the second light emitting chip;', 'a spacing portion, disposed between the first containing portion and the second containing portion, for bonding and installing the first light emitting chip and the second light emitting chip; and', 'a light mixing area, for forming the white-light dot light source after the lights emitted from the first light emitting chip and the second light emitting chip are mixed in the light mixing area;, 'a frame structure, for containing and installing the first light emitting chip and the second light emitting chip, such that after lights emitted from the first light emitting chip and the second light emitting chip are mixed, a white-light dot light source for emitting light is formed, and the frame structure comprisinga first colloid, filled into the first containing portion, for encapsulating the first light emitting chip;a second colloid, filled into the second containing portion, for ...

INTEGRATED SEMICONDUCTOR OPTICAL AMPLIFIER AND LASER DIODE AT VISIBLE WAVELENGTH

An integrated semiconductor optical amplifier-laser diode (SOA-LD) device includes a laser diode (LD) section fabricated on a substrate, a semiconductor optical amplifier (SOA) section fabricated on the substrate adjacent to the LD section; and a trench formed at least partially between the LD section and SOA section to electrically isolate the LD section and the SOA section while maintaining optical coupling between the LD section and the SOA section.

High Sensitivity Tunable Radio Frequency Sensors

Systems and methods of determining characteristics of a material under test using highly sensitive, tunable RF sensors are disclosed. For instance, an RF sensor can include one or more interferometers having a reference branch and a test branch. The test branch includes a microstrip resonator and a coupled line filter. The RF sensor can further include a first port associated with each of the one or more interferometers configured to separate signals between a first transmission line and a second transmission line operable to provide a test signal to the resonator. and filter. The RF sensor can further include a signal analyzer coupled to the first port of the one or more interferometers operable to measure one or more scattering parameters. Wherein at least one of the one or more scattering parameters is indicative of one or more characteristics of a dielectric material disposed on the coupled line filter.

HIGH-PERFORMANCE VISUAL OBJECT TRACKING FOR EMBEDDED VISION SYSTEMS

Embodiments described herein provide examples of a real-time visual object tracking system. In one aspect, an UAV capable of performing real-time visual tracking of a moving object includes a processor; a memory coupled to the processor; and a camera coupled to the processor and the memory and to capture a video of the moving object. This UAV additionally includes a visual tracking module to: receive a first video image and a first location of the object; receive a second video image following the first video image; place a first search window in the first video image and a second search window in the second video image at the same location as the first search window; compute a correlation between an image patch within the first search window and an image patch within the second search window; and determine an updated location of the object in the second video image. 1. A computer-implemented method for performing real-time visual tracking of a target object captured in a video , the method comprising:receiving a first video image of the video and a previously-determined first location of the target object in the first video image;receiving a second video image of the video following the first video image wherein the location of the target object is unknown in the second video image;placing a first search window in the first video image centered on the first location of the target object and a second search window in the second video image at the same location as the first search window in the first video image;computing a correlation map between a first image patch of the first video image within the first search window and a second image patch of the second video image within the second search window; anddetermining an updated location of the target object in the second video image based on the computed correlation map.2. The computer-implemented method of claim 1 , wherein the first search window and the second search window have the same horizontal and vertical ...

OBSTACLE AVOIDANCE SYSTEM BASED ON EMBEDDED STEREO VISION FOR UNMANNED AERIAL VEHICLES

Embodiments described herein provide various examples of an automatic obstacle avoidance system for unmanned vehicles using embedded stereo vision techniques. In one aspect, an UAV capable of performing autonomous obstacle detection and avoidance is disclosed. This UAV includes: a stereo vision camera set coupled to the one or more processors and the memory to capture a sequence of stereo images; and a stereo vision module configured to: receive a pair of stereo images captured by a pair of stereo vision cameras; perform a border cropping operation on the pair of stereo images to obtain a pair of cropped stereo images; perform a subsampling operation on the pair of cropped stereo images to obtain a pair of subsampled stereo images; and perform a dense stereo matching operation on the pair of subsampled stereo images to generate a dense three-dimensional (3D) point map of a space corresponding to the pair of stereo images. 1. A method for performing stereo matching on images captured by a stereo vision system , the method comprising:receiving a pair of stereo images captured by a pair of stereo vision cameras;performing a border cropping operation on the pair of stereo images to obtain a pair of cropped stereo images;performing a subsampling operation on the pair of cropped stereo images to obtain a pair of subsampled stereo images; andperforming a dense stereo matching operation on the pair of subsampled stereo images to generate a dense three-dimensional (3D) point map of a space corresponding to the pair of stereo images;wherein using cropped and subsampled stereo images to perform dense stereo matching significantly speeds up the dense stereo matching operation.2. The method of claim 1 , wherein prior to performing the dense stereo matching operation on the pair of subsampled stereo images claim 1 , the method further comprises performing a rectification operation on the pair of subsampled stereo images to remove image distortion and to establish spatial ...

DATA ISOLATION IN BLOCKCHAIN NETWORKS

Implementations of this specification include receiving a synchronization request from a light-weight node of the blockchain network including an identity of the light-weight node; identifying one or more permissions associated with the identity of the light-weight node; determining an original world state structure associated with the block height and including a plurality of account records; identifying based on the one or more permissions, a subset of the plurality of account records that are authorized for access by the light-weight node; generating an isolated world state structure based on the original world state data structure including only the subset of the plurality of account records that are authorized for access by the light-weight node; sending a response to the light-weight node that includes the isolated world state data structure. 1. A computer-implemented method for isolating data stored on a blockchain maintained by a blockchain network , the method comprising:receiving, by a blockchain node in the blockchain network, a synchronization request from a light-weight node of the blockchain network, wherein the synchronization request includes an identity of the light-weight node;identifying, by the blockchain node, one or more permissions associated with the identity of the light-weight node;determining, by the blockchain node, an original world state structure including a plurality of account records, each account record storing state information for an account associated with the account record, wherein the original world state structure is an original Merkle Patricia Trie (MPT);identifying, by the blockchain node and based on the one or more permissions, a subset of the plurality of account records that are authorized for access by the light-weight node; identifying an account record in the original MPT that is accessible to the light-weight node, wherein the account record is located in a particular node of the original MPT, wherein the ...

SEMICONDUCTOR DEVICE STRUCTURE

A semiconductor device structure is provided. The semiconductor device structure includes a semiconductor substrate. The semiconductor device structure includes a gate stack over the semiconductor substrate. The gate stack includes a first insulating layer, a charge trapping structure, a second insulating layer, and a gate electrode. The first insulating layer separates the semiconductor substrate from the charge trapping structure. The charge trapping structure is between the first insulating layer and the second insulating layer. The gate electrode is over the second insulating layer. The charge trapping structure includes a first layer and a second layer. The first layer includes zinc oxide, tin dioxide, titanium oxide, zinc tin oxide, indium oxide, indium zinc oxide, indium gallium zinc oxide, zinc oxynitride, tin oxynitride, titanium oxynitride, zinc tin oxynitride, indium oxynitride, indium zinc oxynitride, or indium gallium zinc oxynitride. The second layer includes nickel oxide, tin oxide, copper oxide, nickel oxynitride, tin oxynitride, or copper oxynitride. The semiconductor device structure includes a first doped region and a second doped region in the semiconductor substrate and on two opposite sides of the gate stack. 1. A semiconductor device structure , comprising:a semiconductor substrate;a gate stack over the semiconductor substrate,wherein the gate stack comprises a first insulating layer, a charge trapping structure, a second insulating layer, and a gate electrode, the first insulating layer separates the semiconductor substrate from the charge trapping structure, the charge trapping structure is between the first insulating layer and the second insulating layer, the gate electrode is over the second insulating layer,wherein the charge trapping structure comprises a first layer and a second layer, the first layer comprises zinc oxide, tin dioxide, titanium oxide, zinc tin oxide, indium oxide, indium zinc oxide, indium gallium zinc oxide, zinc ...

MULTIFUNCTIONAL LIGHT, DATA DEVICE, OR COMBINATION AND SYSTEMS

Embodiments of the present disclosure provide devices and systems including a halide perovskite and/or phosphor to produce and/or communicate using visible light, and the like. 1. A material , comprising:halide perovskite nanocrystals that absorb a first light energy at a first wavelength and emit a second light energy at a second wavelength that is different from the first wavelength.2. The material of claim 1 , wherein the halide perovskite nanocrystals are AMX claim 1 , wherein A is a cation claim 1 , M is Pb or Sn claim 1 , and X is a halide.3. The material of claim 2 , wherein the cation comprises an methylammonium (MA) claim 2 , formamidinium (FA) claim 2 , cesium (Cs) claim 2 , or a combination thereof.4. The material of claim 3 , wherein the cation comprises a combination of at least two of MA claim 3 , FA claim 3 , and Cs.5. The material of claim 1 , wherein the halide perovskite nanocrystals are MAPbCl claim 1 , MAPbBr claim 1 , MAPbl claim 1 , FAPbCl claim 1 , FAPbBr claim 1 , FAPbl claim 1 , CsPbCl claim 1 , CsPbBr claim 1 , CsPbl claim 1 , MASnCl claim 1 , MASnBr claim 1 , MASnl claim 1 , FASnCl claim 1 , FASnBr claim 1 , FASnl claim 1 , CsSnCl claim 1 , CsSnBr claim 1 , or CsSnl.6. The material of claim 1 , wherein the halide perovskite nanocrystals are (MA/FA)PbCl claim 1 , (MA/FA)PbBr claim 1 , (MA/FA)Pbl claim 1 , (MA/Cs)PbCl claim 1 , (MA/Cs)PbBr claim 1 , (MA/Cs)Pbl claim 1 , (FA/Cs)PbCl claim 1 , (FA/Cs)PbBr claim 1 , (FA/Cs)Pbl claim 1 , (MA/FA)SnCl claim 1 , (MA/FA)SnBr claim 1 , (MA/FA)Snl claim 1 , (MA/Cs)SnCl claim 1 , (MA/Cs)SnBr claim 1 , (MA/Cs)Snl claim 1 , (FA/Cs)SnCI claim 1 , (FA/Cs)SnBr claim 1 , (FA/Cs)Snl claim 1 , (MA/FA/Cs)PbCl claim 1 , (MA/FA/Cs)PbBr claim 1 , (MA/FA/Cs)Pbl claim 1 , (MA/FA/Cs)SnCl claim 1 , (MA/FA/Cs)SnBr claim 1 , (MA/FA/Cs)Snl claim 1 , (MA/FA/Cs)Pb(Cl/Br/l) claim 1 , or (MA/FA/Cs)Sn(Cl/Br/l).7. The material of claim 1 , wherein the halide perovskite nanocrystals are MAPbBrCl.8. The material of claim 1 , ...

GESTURE DISPLAY METHOD AND APPARATUS FOR VIRTUAL REALITY SCENE

Aspects of the disclosure provide methods and apparatuses for displaying a gesture in a virtual reality (VR) environment. In some examples, an apparatus for displaying the gesture in the virtual reality (VR) environment includes processing circuitry. The processing circuitry displays a first gesture object corresponding to a state of a virtual hand when the virtual hand does not hold a virtual article. The processing circuitry displays a second gesture object when a ray of the first gesture object intersects the virtual article. The second gesture object indicates that the virtual article is in front of the virtual hand. The ray extends from the virtual hand. The processing circuitry displays a third gesture object in response to a selection instruction. The third gesture object corresponds to a state of the virtual hand when the virtual hand holds the virtual article.

METHOD AND APPARATUS FOR CONTROLLING PLACEMENT OF VIRTUAL CHARACTER AND STORAGE MEDIUM

Embodiments of the present application disclose a method and an apparatus for controlling placement of a virtual character and a storage medium. The method includes: receiving a first instruction in a virtual reality (VR) scene, the first instruction indicating moving a virtual character from a first position by a designated movement; determining a second position by the designated movement from the first position in response to the first instruction; removing the virtual character from the first position; and placing the virtual character at the second position, the virtual character not appearing between the first position and the second position after being removed from the first position. 1. A method for controlling placement of a virtual character , implemented by a computing device , and comprising:receiving a first instruction in a virtual reality (VR) scene, the first instruction indicating moving a virtual character from a first position by a designated movement;determining a second position by the designated movement from the first position in response to the first instruction;removing the virtual character from the first position; andplacing the virtual character at the second position, the virtual character not appearing between the first position and the second position after being removed from the first position.2. The method according to claim 1 , further comprising:maintaining the virtual character at the first position;controlling a viewer to cut to black screen after the second position is determined, the viewer displaying the VR scene;placing the virtual character at the second position after the viewing camera cutting to black; andcontrolling the viewer to restore a display of the VR scene.3. The method according to claim 2 , further comprising:controlling the viewer to gradually cut to black, the virtual character staying at the first position as the viewer gradually cutting to black; andcontrolling the viewer to gradually restore the display of ...

INFORMATION INTERACTION METHOD AND APPARATUS, STORAGE MEDIUM, AND ELECTRONIC APPARATUS

This application discloses an information interaction method and apparatus, a storage medium, and an electronic apparatus. The method includes obtaining a first target operation instruction in a VR scenario; selecting and displaying a first virtual operation panel corresponding to the first target operation instruction from a plurality of virtual operation panels in the VR scenario, wherein the plurality of virtual operation panels are displayed mutually independently, and are respectively configured to display different interactive objects. The method may further include obtaining an interactive operation instruction generated by an interactive operation performed by an interactive device on a target interactive object displayed in the first virtual operation panel, the interactive device being associated with the VR scenario; and in response executing a target event corresponding to the target interactive object in the VR scenario. These solutions resolve the technical problem of low information interaction flexibility in the related technology. 1. An information interaction method , comprising:obtaining, by a processing circuitry, a first target operation instruction in a virtual reality (VR) generated environment;selecting and displaying, within the VR generated environment, a first virtual operation panel corresponding to the first target operation instruction from a plurality of virtual operation panels in the VR generated environment, the plurality of virtual operation panels being displayed mutually independently, and being respectively configured to display different interactive objects;obtaining, by the processing circuitry, an interactive operation instruction generated by an interactive operation applied to a target object in an interactive object displayed in the first virtual operation panel, wherein the interactive operation is executed by an interactive device associated with the VR generated environment; andexecuting, by the processing circuitry, a ...

SYSTEM FOR PERCEIVING AND CO-PROCESSING INTELLIGENT CONNECTED VEHICLE-ORIENTED SCENE IMAGE DATA

A system for perceiving and co-processing intelligent connected vehicle-oriented scene image data, including a device for perceiving and processing single-mobile intelligent agent image data, a roadside infrastructure apparatus and a remote server. An in-vehicle image processing platform in the device enables single-view image data processing by performing algorithms such as target detection and recognition, and scene stream estimation. A roadside image processing platform in the roadside infrastructure apparatus enables depression angle image data processing and multi-view image fusion processing by performing algorithms such as target detection and recognition, and image fusion. The system is simple in structure, stable in constitution, high in image data processing efficiency, high and stable in communication data transmission speed, thereby realizing priori mapping of an urban complicated intersection, coordinated traffic control and guidance of intelligent connected vehicles and the like, and accelerating the implementation of the intelligent connected vehicle industry. 1. A system for perceiving and co-processing intelligent connected vehicle-oriented scene image data , comprising:a device for perceiving and processing single-mobile intelligent agent image data,a roadside infrastructure apparatus, anda remote server;wherein the device for perceiving and processing single-mobile intelligent agent image data comprises a road scene image acquisition sensor, an in-vehicle image processing platform and an in-vehicle wireless transmission platform, wherein a road scene image acquisition camera is configured to acquire road scene image information and transmit it to the in-vehicle image processing platform; the in-vehicle image processing platform is configured to receive the road scene image information and complete view transition, target detection, target recognition and scene stream estimation data processing; and the in-vehicle wireless transmission platform is ...

METHODS FOR POLYSILICON CHARACTERIZATION

Aspects of the disclosure provide methods for polysilicon characterization. The method includes receiving image data of a polysilicon structure formed on a sample substrate. The image data is in a spatial domain and is generated by transmission electron microscopy (TEM). Further, the method includes extracting frequency spectrum of the image data in a frequency domain. Then, the method includes selecting a subset of the frequency spectrum that corresponds to characteristic of first crystal grains that are of a first orientation, and transforming the selected subset of the frequency spectrum to the spatial domain to construct a first spatial image for the first crystal grains of the first orientation. 1. A method for polysilicon characterization , comprising:receiving image data of a polysilicon structure formed on a sample substrate, the image data being in a spatial domain and generated by a transmission electron microscope (TEM);extracting frequency spectrum of the image data in a frequency domain;selecting a subset of the frequency spectrum that corresponds to characteristic of first crystal grains that are of a first orientation; andtransforming the selected subset of the frequency spectrum to the spatial domain to construct a first spatial image for the first crystal grains of the first orientation.2. The method of claim 1 , further comprising:detecting boundaries of a crystal grain in the first crystal grains according to brightness of pixels in the first spatial image; anddetermining a size of the crystal grain in the first crystal grains according to the detected boundaries.3. The method of claim 1 , further comprising:calculating a first area of the first crystal grains according to brightness of pixels in the first spatial image.4. The method of claim 1 , further comprising:selecting subsets of the spatial frequency spectrum that respectively correspond to characteristics of crystal grains of respective potential orientations; andrespectively transforming ...

Solution for EUV power increment at wafer level

The present disclosure relates to an extreme ultraviolet (EUV) radiation source having an angled primary laser, and an associated method of formation. In some embodiments, the EUV radiation source has a fuel droplet generator that provides fuel droplets to an EUV source vessel along a first trajectory. A primary laser is configured to generate a primary laser beam along a second trajectory that intersects the first trajectory at a non-perpendicular angle. A collector mirror is configured to focus the EUV radiation to an exit aperture of the EUV source vessel not linearly aligned with the second trajectory of the primary laser beam. By focusing the EUV radiation to an exit aperture not linearly aligned with the second trajectory, a protection element configured to block remnants of the primary laser beam can be located at a position that does not reduce a power of the focused EUV radiation.

Solution for EUV power increment at wafer level

The present disclosure relates to a photolithography radiation source having an angled primary laser, and an associated method of formation. In some embodiments, the photolithography radiation source has a fuel droplet generator that provides fuel droplets to a source vessel along a first trajectory. A primary laser is configured to generate a primary laser beam along a second trajectory that intersects the first trajectory. The primary laser beam is configured to ignite a plasma from the plurality of fuel droplets that emits radiation. A collector mirror is configured to focus the radiation to an exit aperture of the source vessel. The primary laser beam does not intersect the exit aperture.

Capacitive touch device and its control method

Modifiable cylinder

A modifiable cylinder which comprises a plug and a cylinder body. The plug fits into the cylinder body and has a keyway and a plurality of bottom pin holes which are disposed above and perpendicular to the keyway. Each of the bottom pin holes has a bottom pin. The cylinder body comprises a main chamber housing and a subchamber housing. The main chamber housing has a plurality of top pin holes, each of which has a spring and a top pin. In open position, the top pin holes are aligned with the bottom pin holes. The subchamber housing has a plurality of top pin holes, each of which has a spring, a top pin and several discs. When the plug is turned to the modifying position, the top pin holes are aligned with the bottom pin holes so that the discs can be moved into the bottom pin holes so as to modify the inner combination of the cylinder.

Key-in-lever type door lock used for handicapped people

A key-in-lever type door lock which can be installed on either a left hand or right hand door by a left-right reverse operation of a reverse plate. The lock comprises a lock assembly which regulates a uni-directional, 45-degree rotation of a handle thereof and a latch assembly which converts the 45-degree rotational movement to a retraction of a latch bolt. The lock is jimmy-proof, i.e., secure against improper manipulation, by the provision of a latch stop pivoted to the latch bolt and being movable together therewith. The latch stop, which has a catch end normally blocked by a retaining plate, is operationally pivotable about the latch bolt to release the blockage, thereby permitting a relative sliding movement between the latch stop and the retaining plate.

Wireless transmission location-tracking device

Data updating method and electric device using the same

Satellite dish antenna assembly

A satellite dish antenna assembly includes a dish surface, a convexly curved arc surface, a pair of corresponding protruding edges A, B disposed at the utmost front end of the two sides and serving as a base line AB, such that upper and lower ends of the arc surface are extended from the two protruding edges along the dish to a level position of the base line AB to form an upper and a lower pulling surface coupled to the two protruding edges respectively, and a flange is installed at the periphery of the dish surface and its front side is substantially level, so as to overcome the shortcomings of the prior art antenna dish that may be deformed or warped easily when pressed and improve the life of the antenna and the accuracy of receiving signals.

Multimedia television system

A multimedia television system is disclosed. The multimedia television system comprises a receiver, a detector, an audio processing/controlling device, and a mixing device. The receiver receives an audio/video signal comprising an audio signal and a video signal and outputs the audio signal and the video signal respectively. When an external upgrading/transmitting device is connected to the detector, the detector will generate an upgrading signal. When the audio processing/controlling device receives the upgrading signal, the audio processing/controlling device will process the audio signal into a multi-channel audio signal comprising front sub-audio signals and rear sub-audio signals according to the upgrading signal. Then, the mixing device processes the rear sub-audio signals into at least one mixed audio signal. The detector receives the at least one mixed audio signal and transmits the at least one mixed audio signal via the external upgrading/transmitting device.

DOOR LOCK OF THE LEVER KEY TYPE USED FOR DISABLED PEOPLE.

UNA CERRADURA DE PUERTA DEL TIPO DE PICAPORTE AL INTRODUCIR LA LLAVE, QUE PUEDE INSTALARSE EN UNA PUERTA A LA DERECHA O A LA IZQUIERDA MEDIANTE UNA OPERACION DE INVERSION IZQUIERDA-DERECHA DE UNA PLACA DE INVERSION (48, 48''). LA CERRADURA COMPRENDE UN CONJUNTO DE CERRADURA QUE REGULA UNA ROTACION DE 45 GRADOS UNIDIRECCIONAL DE UN MANGO (24, 34) DE LA MISMA, Y UN CONJUNTO DE PICAPORTE QUE CONVIERTE EL MOVIMIENTO ROTATORIO DE 45 GRADOS EN UN RETROCESO DE UN PERNO O CERROJO (90) DEL PICAPORTE. LA CERRADURA ESTA A PRUEBA DE PALANQUETA, ES DECIR, SEGURA CONTRA LA MANIPULACION INADECUADA, MEDIANTE LA PROVISION DE UN TOPE DEL PICAPORTE (86), PIVOTADO AL PERNO DEL PICAPORTE, Y QUE ES MOVIL JUNTAMENTE CON EL MISMO. EL TOPE (90) DEL PICAPORTE, QUE TIENE UN EXTREMO (862) FIADOR NORMALMENTE BLOQUEADO POR UNA PLACA DE RETENCION (82), ES OPERACIONALMENTE PIVOTABLE ALREDEDOR DEL PERNO (90) DEL PICAPORTE, PARA LIBERAR EL BLOQUEO, PERMITIENDO ASI UN MOVIMIENTO RELATIVO DE DESLIZAMIENTO ENTRE EL TOPE (86) DEL PICAPORTE Y LA PLACA DE RETENCION (82). A LOCK TYPE DOOR LOCK WHEN INSERTING THE KEY, WHICH CAN BE INSTALLED IN A DOOR TO THE RIGHT OR LEFT BY A LEFT-RIGHT INVESTMENT OPERATION (48, 48 ''). THE LOCK COMPRISES A LOCK SET THAT REGULATES A ONE-HAND (24, 34) ROTATION OF A HANDLE (24, 34) OF THE SAME, AND A LOCKING SET OF 45 DEGREES IN A RETROCESS OF A BOLT OR LOCK ) OF THE PICAPORTE. THE LOCK IS TESTED TO THE LEVER, THAT IS, SAFE AGAINST INAPPROPRIATE HANDLING, BY PROVIDING A LATCH STOP (86), PIVOTED TO THE LATCH BOLT, AND WHICH IS MOBILE TOGETHER WITH IT. THE LATCH STOP (90), WHICH HAS AN END (862) LATCH NORMALLY BLOCKED BY A RETAINING PLATE (82), IS OPERATIONALLY PIVOTABLE AROUND THE LOCKING BOLT (90), TO RELEASE THE LOCK. SLIDING BETWEEN THE STOP (86) OF THE LATCH AND THE RETAINING PLATE (82).

Display module

A display module is provided, including a housing, a display unit disposed in the housing, and a hollow frame. The housing includes a plate, a sidewall, and a first hook, wherein the sidewall and the hook protrude from the plate. The frame includes a second hook close to the side of the frame and extending toward the housing. When the frame is joined to the housing, the second hook is hooked to the first hook.

Generalized quantum channels

According to some aspects, a quantum information system is provided that includes an ancilla qubit; a qudit coupled to the ancilla qubit, a detector configured to generate a detection result based on a quantum state of the ancilla qubit, and a driving source coupled to the qudit and the ancilla qubit and configured to apply at least one qudit driving signal to the qudit based on the detection result and at least one qubit driving signal to the qudit based on the detection result.

Mechanical arm control system

Face display method and apparatus for virtual character, computer device and readable storage medium

The present disclosure discloses a method and apparatus for displaying a face of a virtual role, a terminal, and a storage medium, and relates to the field of human-machine interaction. The method includes: obtaining a face parameter corresponding to a user face, the face parameter being used for indicating a facial feature of a corresponding face region of the user face; determining a warping control parameter according to the face parameter, the warping control parameter being used for indicating a warping degree of a corresponding face region of a virtual role; generating a virtual role face image according to the warping control parameter and a warping image set, the warping image set including a basic face image and at least one basic warping face image of the virtual role, and displaying the virtual role face image.

Data isolation in blockchain networks

Implementations of this specification include receiving a synchronization request from a light-weight node of the blockchain network including an identity of the light-weight node; identifying one or more permissions associated with the identity of the light-weight node; determining an original world state structure associated with the block height and including a plurality of account records; identifying based on the one or more permissions, a subset of the plurality of account records that are authorized for access by the light-weight node; generating an isolated world state structure based on the original world state data structure including only the subset of the plurality of account records that are authorized for access by the light-weight node; sending a response to the light-weight node that includes the isolated world state data structure.

Systems and methods for underwater illumination, survey, and wireless optical communications

Embodiments of the present disclosure describe an underwater optical communication and illumination system employing laser diodes directly encoded with data, including spectrally efficient orthogonal frequency division multiplex quadrature amplitude modulation (QAM-OFDM) data. A broadband light source may be utilized to provide both illumination to an underwater field of interest and underwater optical communication from the field of interest to a remote location.

Systems and methods for underwater illumination, survey, and wireless optical communications

Embodiments of the present disclosure describe an underwater optical communication and illumination system employing a blue-light laser diode directly encoded with spectrally efficient orthogonal frequency division multiplex quadrature amplitude modulation (QAM-OFDM) data. A broadband light source may be utilized to provide both illumination to an underwater field of interest and underwater optical communication away from the field of interest.

Rotational housing assembly for a lock assembly with a removable core

A rotational housing assembly for a lock assembly includes a rotational housing, a spindle, and a core retainer. The rotational housing has a sleeve which is adapted to receive a core and defines an inner periphery. A driver is formed in and extends along a longitudinal direction of the inner periphery. The spindle is received in the sleeve to rotate with the rotational housing. The spindle includes a first end adapted to operate a door latch and a second end. A cutout is formed in the second end of the spindle and extends along a longitudinal direction of the spindle and defines a recess in one edge thereof. A driver slot engages with the driver in the sleeve to retain the spindle in the rotational housing. The core retainer is received in the sleeve to engage with the second end of the spindle and has first and second ends. A stop is formed at the second end of .the core retainer and engages with the recess in the spindle. A flange is formed at the first end of the core retainer and a cutout is formed in the flange for engaging with the driver to prevent rotational movement of the core retainer in the sleeve. The stop of the core retainer prevents from longitudinal movement of the core when a core catch in the core is in an extended position. The core is removable when the core catch is in a retracted position.

Utilizing nonce table to resolve concurrent blockchain transaction failure

Implementations of the present disclosure include initializing a nonce table comprising a plurality of nonce slots, each nonce slot being associated with a nonce index and a status, and storing a respective nonce value; receiving a request for a nonce value from an application, and in response, requesting a nonce value from the nonce table; receiving a nonce value in response to the request, a status of a nonce slot corresponding to the nonce value being set to occupied; and in response to a transaction using the nonce value being one of successful and failed, executing one of: releasing the nonce value within the nonce slot and setting the status to unoccupied, if the transaction is successful, and setting the status to unoccupied, if the transaction failed.

Data isolation in blockchain networks

Implementations of this specification include receiving a synchronization request from a light-weight node of the blockchain network including an identity of the light-weight node; identifying one or more permissions associated with the identity of the light-weight node; determining an original world state structure associated with the block height and including a plurality of account records; identifying based on the one or more permissions, a subset of the plurality of account records that are authorized for access by the light-weight node; generating an isolated world state structure based on the original world state data structure including only the subset of the plurality of account records that are authorized for access by the light-weight node; sending a response to the light-weight node that includes the isolated world state data structure.

Smart module for smart shoe

A smart module for a smart shoe includes a second cover, a first cover, an antenna, a circuit board, and a power supply unit. The second cover cooperates with the first cover to form a housing for receiving the antenna, the circuit board, and the power supply unit. The antenna and the power supply unit are electrically connected to the circuit board. The power supply unit supplies power to the circuit board and the antenna. The first cover includes at least one positioning member. The antenna includes at least one positioning hole. The circuit board includes at least one positioning hole. The positioning holes in the antenna and the circuit board align with and receive the positioning member of the first cover to ensure that the antenna and the circuit board are mounted at appropriate locations in the first cover. Therefore, the smart module facilitates easy assembly.

An apparatus comprising a waveguide-modulator and laser-diode and a method of manufacture thereof

Example apparatuses are provided for simultaneous generation of high intensity light and modulated light signals at low modulation bias operating characteristics. An example apparatus includes a semipolar or nonpolar GaN-based substrate, a reverse- biased waveguide modulator section, and a forward-biased gain section based on InGaN/GaN quantum-well active regions, wherein the forward-biased gain section is grown on the semipolar or nonpolar GaN-based substrate. Methods of manufacturing the apparatuses described herein are also contemplated and described herein.

Embedded substrate, circuit board assembly, and electronic device

This application provides an embedded substrate, a circuit board assembly, and an electronic device. The embedded substrate in this application includes an insulation layer, and an electronic element and a conductive connector that are embedded inside the insulation layer. The conductive connector is electrically connected to the electronic element. The conductive connector includes at least one fuse unit, the fuse unit includes a fusible structure and two electrical connection ends, the fusible structure is connected between the two electrical connection ends in a direction of an electrical path of the conductive connector, and the fusible structure is configured to be blown when a passing current exceeds a preset current threshold, to disconnect an electrical connection between the electronic element and an external connection end. In this application, maintenance and replacement costs are low during current burning prevention, and a volume is compact.

Asphalt transposition output device of asphalt tank

本实用新型涉及一种沥青罐沥青转置输出装置，包括法兰、保温箱、沥青泵、取样管和取样杯，法兰设于保温箱的一侧，取样管的一端连接法兰，取样管的另一端连接沥青泵的输入端，沥青泵的输出端通过出样管连接取样杯，沥青泵、取样管和取样杯均设于保温箱内，保温箱的上端设出气管，保温箱的内壁设电阻丝。本实用新型提供的沥青罐沥青转置输出装置可实现多孔位取样、安装方便，消除了取样时存在的不安全隐患，避免了环境污染，保证了沥青取用时的温度和防止沥青在空气中老化现象。

Techniques for universal quantum control of quantum coherent states and related systems and methods

Some aspects are directed to a method of operating an apparatus, the apparatus comprising a first quantum system having a plurality of coherent quantum states, the first quantum system being coupled to a second quantum system, the method comprising providing an input energy signal to the second quantum system that stimulates energy transfer between the first quantum system and the second quantum system and that causes net dissipation of energy to be output from the second quantum system, wherein the input energy signal includes at least two components having different frequencies and each having an amplitude and a phase, and adiabatically varying the amplitude and the phase of the at least two components of the input energy signal to cause a change in one or more of the plurality of coherent quantum states of the first quantum system.

LED holder and bulb thereof

Systems and methods for underwater illumination, survey, and wireless optical communications

Embodiments of the present disclosure describe an underwater optical communication and illumination system employing a blue-light laser diode directly encoded with spectrally efficient orthogonal frequency division multiplex quadrature amplitude modulation (QAM-OFDM) data. A broadband light source may be utilized to provide both illumination to an underwater field of interest and underwater optical communication away from the field of interest.