Cement paste toughening agent and application of cement paste toughening agent in preparation of cementing flexible cement paste

The invention relates to a cement paste toughening agent and application of the cement paste toughening agent in preparation of a cementing flexible cement paste. The toughening agent is prepared by modification of rubber powder; the modification of rubber powder includes the steps of cleaning, activating, etching and grafting; the cementing flexible cement paste prepared by the toughening agent is prepared from the following components in parts by weight: 100 parts of portland cement, 5-50 parts of modified rubber powder, 10-40 parts of a toughing agent, 15-80 parts of a density regulator, 35-65 parts of water, 0.5-2 parts of a dispersing agent, 0.5-3 parts of a fluid loss agent, 1.5-4 parts of a retarder and 0.1-2 parts of a defoamer. The inherent performance of a substrate is not changed by plasma treatment on the rubber powder; no pollution is generated; the cement paste toughening agent is simple in process, convenient to operate, stable in hydrophilism through the grafted rubber powder ...

Porous stainless steel needle tubing type solid phase microextraction probe and preparation method thereof

The invention discloses a porous stainless steel needle tubing type solid phase microextraction probe and a preparation method thereof. The porous stainless steel needle tubing type solid phase microextraction probe comprises a probe substrate and an adsorption material, wherein the probe substrate is made of stainless steel, is tubular and has the inner diameter of 0.25-0.35mm; the side walls of the probe substrate is provided with sampling holes communicated with an inner cavity of the probe substrate; the top and bottom of the probe substrate are sealed; and the adsorption material is filled in the inner cavity of the probe substrate. According to the method, the probe is prepared by injecting the adsorption material and sealing an opening. The probe is simple in structure, easy to operate, portable, wide in application range and hardly worn and can be repeatedly used; and the preparation method is simple and convenient, low in difficulty, and low in cost, and raw materials are readily ...

CHROMOPHORES FOR PHOTOCHROMIC COMPOSITIONS USEFUL FOR THREE DIMENSIONAL DISPLAY APPLICATIONS

Described herein are novel azo-benzene type chromophores. The chromophores are useful in photochromic compositions comprising a polymer matrix and a chromophore, wherein the chromophore is a novel azo-benzene type structure. The photochromic composition is photoresponsive upon irradiation by at least one wavelength of laser light across the visible light spectrum. Photochromic devices which comprise the novel azo-benzene type chromophore compound show significantly higher photoinduced birefringence, higher diffraction efficiency, and brighter images than devices that comprise well known azo-benzene chromophores. The photochromic composition may include a liquid crystal.

Riveting assembly machine

The invention discloses a riveting assembly machine which comprises a working table. A riveting working area is arranged above the working table and comprises a positioning plate fixed on the working table, a clamping cylinder and at least one station riveting cylinder, a linear displacement sensor is arranged on one side of motion trails of riveting cylinders, a pair of safety gratings is arranged on the edge of the riveting working area, and the clamping cylinder, the riveting cylinders, the linear displacement sensor and the safety gratings are electrically connected with a programmable logic controller (PLC). The plurality of riveting cylinders are worked together, riveting efficiency is high, a cylinder clamping device is adopted, clamping is reliable, worker labor intensity is low, a safety grating protection device is adopted, and security of workers is high.

Automatic screw tightening device for soft touch switch

The invention discloses an automatic screw tightening device for a soft touch switch. The automatic screw tightening device comprises a working table board. A replaceable jig is connected onto the working table board, the jig and a pair of pressing plates driven by a locking cylinder are used for fixing a soft touch switch casing, and an automatic screw locking mechanism is arranged on the working table board. The automatic screw locking mechanism comprises an electric screw driver, a screw distributor and a detecting mechanism for detecting whether neglected installing of screws occurs or whether the screws are assembled in place. The jig is located in a mode of one-face two-pin and locked through bolts, and fast replacing of different jigs is achieved. A screw sorting mechanism is adopted, and working efficiency is improved. A detecting device has a mistake preventing function, once a detecting item is not qualified, products are locked by the locking cylinder, and defective product leak ...

Large closed E-shaped thick plate built-up box type column and production method thereof

The invention discloses a closed E-shaped thick plate composite steel column which comprises a box body, a partition plate and a bracket, wherein the cross section of the box body is rectangular, the partition plate is fixedly arranged inside the box body, and the partition plate and the box body are assembled into a box type column with a closed E-shaped cross section; the bracket is I-shaped and fixedly arranged on the outer surface of the box body. The invention further discloses a production method of the closed E-shaped thick plate composite steel column. The closed E-shaped thick plate composite steel column is simple in structure, strong in bearing capacity, and the connection between ultralong and ultraheavy steel members can be realized; the industrialized production can be realized, the production schedule can be greatly quickened, the working period can be shortened, and the welding difficulty and the workload can be reduced through reasonable segments.

Workpiece fixing mechanism used for riveting pressure assembly machine

The invention discloses a workpiece fixing mechanism used for a riveting pressure assembly machine. The workpiece fixing mechanism used for the riveting pressure assembly machine is used for fixing a shell body. The workpiece fixing mechanism used for the riveting pressure assembly machine comprises a positioning plate fixed above a working plane, a side top cylinder and a set of pressing plates, wherein the side top cylinder is arranged at one side of the positioning plate and the set of the pressing plates are arranged at one side of the fixing plate. A cylinder boss and a positioning pin are arranged on the positioning plate, and the cylinder boss and the holes arranged at the bottom of the shell body are matched with each other. The motion direction of the side top cylinder piston is parallel to the working plane. The pressing plates are driven by a locking cylinder connected at the lower surface of the working plane. According to the workpiece fixing mechanism used for the riveting ...

Disinfecting water device

Described herein are devices for providing drinking fluid from feed sources comprising: a first reservoir, a filter for mechanically removing particles and a second reservoir for receipt of the processed feed fluid. A continually disinfecting element is disposed in either or both reservoirs to remove additional materials from the fluid. Drinking fluid is provided in a portable device. Optional light sources are provided to interact with the disinfecting elements and/or provide an indication of the contained suitability of such disinfecting elements. A method for creating drinking fluid from a feed source is also disclosed.

ACOUSTICALLY TRANSPARENT ANTIMICROBIAL SURFACES

Described herein are medical elements for reducing intra-patient microbial contamination. The elements include an acoustically transmissive matrix and an antimicrobial element.

Steel ingot feeder head induction heating and electromagnetic stirring device

The invention discloses a steel ingot feeder head induction heating and electromagnetic stirring device which can be used for heating and heat preservation and electromagnetic stirring for a cast ingot feeder head made of ferrous and nonferrous materials. The steel ingot feeder head induction heating and electromagnetic stirring device is characterized in that a plurality of groups of induction coils (5) are vertically placed outside a heat preservation sleeve (2) of a steel ingot feeder head and connected with a three-phase power frequency power cabinet (7) through water-cooled cables, and magnet yokes (10) are evenly distributed outside the plurality of groups of induction coils (5) along the peripheral direction. After the steel ingot feeder head induction heating and electromagnetic stirring device is powered on, a magnetic field is formed around the steel ingot feeder head to carry out induction heating on feeder head liquid steel, compensate heat loss of the feeder head in steel ingot ...

Underground set cement corrosion simulation method

The invention discloses an underground set cement corrosion simulation method. The underground set cement corrosion simulation method comprises the following steps of: placing a maintained set cement specimen into a heat-resisting plastic tube and filling heat-resisting AB glue into a gap; completely sealing the two ends of the tube by using the AB glue; after the AB glue is solidified, forming a hole in the side face of the heat-resisting plastic tube; putting the heat-resisting plastic tube into a high-temperature and high-pressure corrosion kettle to carry out an corrosion experiment. The set cement specimen is used for simulating an underground cement ring and is a cylindrical specimen with the diameter of 1 inch; the maximum heat-resisting temperature of the heat-resisting AB glue is 280 DEG C; the heat-resisting plastic tube is used for simulating a well wall and is made from heat-resisting PVC (Poly Vinyl Chloride) or PP-R (Polypropylene Random copolymer pipe); the inner diameter ...

Distribution fault monitor system based on self-organizing network

The invention relates to the technology of distribution fault monitoring, in particular relates to a distribution fault monitoring system based on a self-organizing network, and solves the problems of difficulty in routing, large rerouting work amount, easily broken circuit, mobile unavailability, unstability in operation and poor reliability of an existing distribution fault monitoring network. The distribution fault monitoring system based on the self-organizing network comprises a user layer, a collection layer and a convergence layer, wherein the user layer comprises a plurality of distribution transformers; the collection layer comprises a plurality of TTU (transformer terminal unit) groups, a plurality of concentrators, a zigbee channel, a twisted pair and an optical fiber; the convergence layer comprises a monitoring master station; each TTU group forms each branch of a tree topology structure; the concentrators are connected end to end through the zigbee channel to form the trunk ...

Modified hydroxyethyl cellulose tackifier for well drilling and preparation method thereof

The invention discloses modified hydroxyethyl cellulose tackifier for well drilling and a preparation method thereof. The tackifier is prepared by performing graft copolymerization modification on hydroxyethyl cellulose and sodium p-styrene sulfonate. A preparation process is as follows: (1), hydroxyethyl cellulose and sodium p-styrene sulfonate are dissolved with deionized water respectively and mixed, a mixed solution is obtained, and an initiating agent is added; (2), the mixed solution is heated to 40 DEG C-60 DEG C to have a polymerization reaction for 6-8 hours in the nitrogen environment, and a graft copolymerization product solution of hydroxyethyl cellulose and sodium p-styrene sulfonate is obtained; (3), the graft copolymerization product solution is extracted with acetone or absolute ethyl alcohol, dried and ground into powder, and then modified hydroxyethyl cellulose tackifier for well drilling is obtained. The tackifier can effectively improve the viscosity of a working fluid ...

HVDC light multi-level inversion SPWM control system based on FPGA

The invention discloses a three-phase nine-level inversion control system based on an FPGA. According to the cascade type neutral-pointed-clamped H bridge nine-level topological structure applied to the three-phase nine-level inversion control system based on the FPGA, through comparison between a given sinusoidal wave and a triangular carrier wave which are generated by the FPGA, SPWM waves controlling IGBTs are generated, and therefore multi-level inversion is achieved. The three-phase nine-level inversion control system based on the FPGA has the advantages that units of the cascade type topological structure are identical, and therefore packaging and modularization are easy; an independent power supply is applied to the direct-current side, the clamping capacitance is not needed, and therefore the problem that the voltage and the capacitance are not balanced cannot be caused; the sinusoidal modulation wave and the triangular carrier wave are generated by the FPGA, the procedure is simple ...

TABULAR COMPOSITE MATERIAL CONTAINING POLYTETRAFLUOROETHYLENE AND FILLER

The purpose of the present invention is to provide a composite material that has a low dielectric constant, and that tends not to exhibit appearance defects or a change in properties upon exposure to a substance such as a treatment solution used in the production of electronic circuit boards. This tabular composite material, which contains polytetrafluoroethylene and a prescribed filler and satisfies a prescribed condition, has a low dielectric constant, and tends not to exhibit appearance defects or a change in properties even upon exposure to a substance such as a treatment solution used for production of an electronic circuit board.

Method for evaluating moving prevention ability of cement paste

The invention discloses a method for evaluating the moving prevention ability of cement paste. The method comprises the following steps: measuring static gel strength transient time of the cement paste; measuring the gas channeling flow rate as well as the top pressure and the bottom pressure of a cement paste column in the corresponding gas channeling process, and calculating the permeability within a gas channeling risk duration of the cement paste; and calculating a gas moving distance according to the static gel strength transient time of the cement paste. The method for evaluating the moving prevention ability of the cement paste, provided by the invention, is suitable for cement paste systems without a foaming agent by means of a gas channeling mathematical model (gas seepage equation) and is capable of providing specific parameter indexes of permeability before designing a well cementation cement paste system so as to satisfy the well cementation design demands and reduce and prevent ...

Method for improving solubility of oily dye in liquid hydrocarbon

The invention relates to a method for improving solubility of oily dye in liquid hydrocarbon. The method comprises the steps of firstly adequately grinding solid oily dye, dispersing the oily dye with organic solvent, then mixing the oily dye with top-grade liquid hydrocarbon with a certain quantity, adding cosolvent to be openly mixed, making the organic solvent volatized, and adequately dissolving the dispersed oily dye molecules into the hydrocarbon under the effect of the cosolvent. The cosolvent is a surface active agent containing long carbon chains and polar groups. The length of the carbon chain is better approximate to the length of the carbon chain of the solvent hydrocarbon, and unsaturated bond and branched chain also can be contained; the polar group is better provided with an electron acceptor hydrogen (H) atom which is easy for forming a hydrogen bond or electron supplier fluorine (F), oxygen (O), nitrogen (N) and sulfur (S) atoms; the polar group of the cosolvent molecular ...

Down riveting-press mechanism for riveting-press assembly machine

The invention discloses a down riveting-press mechanism for a riveting-press assembly machine. The down riveting-press mechanism comprises an air cylinder bracket and a riveting-press air cylinder, wherein the air cylinder bracket and the riveting-press air cylinder are arranged on the axis of a riveting-press hole in the bottom of a shell, the shell is fixed above a working plane through a positioning disk, and the air cylinder bracket and the riveting-press air cylinder are fixed below the working plane; a piston of the riveting-press air cylinder is connected with a riveting-press rod coaxial with the piston; and through the pushing of the riveting-press air cylinder, the riveting-press rod penetrates through the working plane and the positioning disk to rivet and press a dowel to the inner part of the riveting-press hole in the bottom of the shell. According to the down riveting-press mechanism disclosed by the invention, a hole in the positioning disk is used for guidance, so that ...

Electrode active composite materials and methods of making thereof

In one aspect of the invention, a method of synthesizing a lithium metal phosphate composite usable for a lithium secondary battery includes the steps of forming a nanometer-size precursor comprising lithium source and metal phosphate nanoparticles having each nanoparticle at least partially coated a layer of carbon precursor, spray drying the nanometer-size precursor at a first desired temperature to form micron-size particles packed with the lithium metal phosphate precursor nanoparticles, and sintering the micron-size particles at a second desired temperature under an inert and/or reduction atmosphere to form a micron-size lithium metal phosphate composite.

Three-dimensional grid structure curtain wall steel frame and manufacturing method thereof

The invention discloses a three-dimensional grid structure curtain wall steel frame. The three-dimensional grid structure curtain wall steel frame comprises a first layer truss assembly unit, a second layer inlaying rod part, a third layer truss assembly unit, a fourth layer inlaying rod part and a fifth layer truss assembly unit sequentially from bottom to top. The invention also discloses a manufacturing method of the three-dimensional grid structure curtain wall steel frame. According to the three-dimensional grid structure curtain wall steel frame, a supporting function of a point-supported glass curtain wall is achieved through the five-layer structure, and the frame is firm in structure, large in bearing force, few in used material and attractive in appearance.

Antenna pedestal pitch angle precision measurement device and method for measuring vertical rotational range of radar

The invention relates to an antenna pedestal pitch angle precision measurement device. The antenna pedestal pitch angle precision measurement device is characterized in that a support device is of an L-shaped structure, an optical theodolite is mounted in the L-shaped structure, a spirit level is arranged at the upper end of the optical theodolite, and a micro spirit level is mounted on a spirit level support. During measurement, the high-precision micro spirit level mounted on a pitch axis of the theodolite is taken as a measuring basis, and the theodolite is used as an angle measurement reading device. By the aid of angular sensitivity of the spirit level and extremely high angular resolution of the theodolite, the measurement device guarantees measuring precision of the theodolite in a large pitch angle state through mounting and supporting. The angle measurement device and a method have obvious technical advantages, angle measurement requirements on wide range and high precision can ...

Method and device for measuring explosion shock wave energy of combustible gas

The present invention discloses a method and a device for measuring the explosion shock wave energy of a combustible gas. Sheet-like barriers are arranged in an explosion case, and the explosion case is filled with the combustible gas, so that the combustible gas in the explosion case reaches an explosion concentration. A gas stirrer is started to make the combustible gas be distributed in the case evenly, the combustible gas is ignited and detonated in the middle of the barrier, at the same time, a high-speed camera is used to shoot the motion state of the barrier continuously, and a computer is connected to record and process the experimental data, so that the explosion shock wave energy of the combustible gas is obtained. According to the present invention, the energy generated by the explosion shock wave of the combustible gas is calculated by utilizing the motion acceleration and speed of the exploded barrier and according to the fluid kinematics and the newton's laws of motion. The ...

Cooling appliance and operation method thereof

The present invention relates to a cooling appliance and an operating method thereof. The cooling appliance comprises multiple thermally insulated storage chambers ( 2, 3, 4 ), a cooling system ( 5 ) for cooling these storage chambers ( 2, 3, 4 ), and an indication unit ( 20 ). According to the proposal of the present invention, the indication unit ( 20 ) is set to be capable of displaying information about which of the storage chambers ( 2, 3, 4 ) is/are being cooled by the cooling system ( 5 ).

Phenylurea herbicide N-demethylase gene pudmA and application thereof

The invention discloses a phenylurea herbicide N-demethylase gene pudmA and an application thereof. A nucleotide sequence of the phenylurea herbicide N-demethylase gene pudmA is shown in SEQ ID NO.1; the overall length is 1907bp; the content of G+C is 55.37%; a large subunit code includes 459 amino acids; a small subunit code includes 176 amino acids; and the amino acid sequence is shown in SEQ ID NO.2. The phenylurea herbicide N-demethylase gene pudmA provided by the invention can remove N-methyl of phenylurea herbicides such as isoproturon and chlortoluron, so that the herbicidal activity is removed. Therefore, the phenylurea herbicide N-demethylase gene pudmA can be used for building genetically modified crops of an anti-phenyl urea herbicide. In addition, the phenylurea herbicide N-demethylase gene pudmA and encoded protein PudmA also can be used for removing residual phenylurea herbicide in the environment.

PLATE-LIKE COMPOSITE MATERIAL CONTAINING POLYTETRAFLUOROETHYLENE AND FILLER

Provided is a composite material that shows a low specific dielectric constant, and that hardly causes an appearance failure or changes in characteristics when exposed to, for example, a treatment liquid to be used in the production of an electronic circuit board. Specifically, a plate-like composite material including polytetrafluoroethylene and a predetermined filler, and satisfying a predetermined condition serves as a composite material that shows a low specific dielectric constant, and that hardly causes an appearance failure or changes in characteristics even when exposed to, for example, a treatment liquid to be used in the production of an electronic circuit board.

Novel filter mesh column

The invention relates to a novel filter mesh column. The novel filter mesh column is formed by mixing-weaving a mesh (1) and a mesh skeleton (2), wherein the mesh (1) adopts stainless steel wires (3) for a steel wire mesh, the mesh skeleton (2) adopts high-strength stainless steel wires (4), the ratio of the steel wire number of the mesh (1) to the steel wire number of the mesh skeleton (2) in the mixing-weaving is 20: 1 to 40: 1, a stainless steel filter opening (5) is formed in each of two ends of the mesh (1), and the mesh (1) is connected to the stainless steel filter openings (5) in a welding manner. By adopting the novel filter mesh column, the problems of the conventional filter mesh in the market that the filter area is small, the energy consumption is high and the filter mesh is difficult to clean can be solved, the energy consumption cost of an irrigation system can be remarkably reduced, the labor for the management and maintenance can be reduced, the application efficiency of ...

Benzimidazole-epoxy matrix resin and preparation method thereof

The invention relates to benzimidazole-epoxy matrix resin and a preparation method thereof. The resin consists of an A component and a B component. The preparation method comprises the following steps of (1) putting N,N,N',N'-tetraglycidyl-2,2-di-[4-(4-amino phenoxyl) phenyl] propane and 2-(4-amino phenyl)-5-amino benzimidazole into a reaction kettle, heating and raising the temperature to 70-80 DEG C, stirring and reacting for 15min-30min, adding a reactive diluent and an organic solvent, stirring uniformly, obtaining the A component, (2) mixing a curing agent with the organic solvent, stirring and dissolving uniformly, obtaining the B component, and (3) mixing the A component with the B component and stirring uniformly in a use process. The preparation method is simple; and the obtained matrix resin is excellent in comprehensive performance, can be applied to glass fiber or carbon fiber reinforced advanced composites, and can also be applied to adhesive agents of substrates such as metal ...

Scrambling code pair determination method and device

The invention discloses a scrambling code pair determination method and a scrambling code pair determination device. The method comprises the following steps of: for adjacent first and second cells, determining a spreading factor weight value of each spreading factor supported by each cell respectively; selecting scrambling code pairs consistent with preset conditions from all scrambling code pairs; for each selected scrambling code pair, determining a compound code correlative value of the scrambling code pair, and weighting the compound code correlative value of the scrambling code pair according to the determined spreading factor weight value to obtain a comprehensive correlative value of the scrambling code pair; selecting a scrambling code pair with the minimum comprehensive correlative value; and determining the selected scrambling code pair as an optimal scrambling code pair of the first and second cells. By the technical scheme, the problem that the optimal scrambling code pair ...

Air separation type discharging device meeting GMP (good manufacturing practice) certification requirements

The invention discloses an air separation type discharging device meeting the GMP (good manufacturing practice) certification requirements, is used for solving the technical problems that the secondary pollution is easily caused and the GMP certification requirements cannot be met in the prior art, and belongs to the technical field of building water supply and drainage. The discharging device is characterized in that a vertical middle baffle is arranged in an inner cavity of a housing; the elevation of the lower side edge of the middle baffle is lower than that of the bottom of a water outlet pipe hole; the upper end of the housing is connected and fixed with a cover with a glass window. The discharging device has the positive effects that the cover is provided with the glass window, so that whether a fluid discharging process is normal can be conveniently observed, the flow or the pressure of water entering the device can be conveniently adjusted, and the device is guaranteed to be in ...

Method, radio unit and radio base station for adjusting thresholds for crest factor reduction

The present invention relates to clipping thresholds adjustment for Crest Factor Reduction CFR in a radio unit, wherein the radio unit comprises one or more clipping stages that apply respective clipping thresholds to clip input signals, comprising: determining a target threshold for the clipping stages based on a target PAR and the amplitudes or powers of the input signals, estimating the direction in which original PAR of the input signals changes by comparing amplitudes of the clipped signals from the clipping stages with the target threshold, and adjusting the clipping thresholds based on the estimated direction. The present invention also relates to dynamic stage control. With the present invention, clipping thresholds and clipping stages are adaptively changes with dynamic original PAR of input signals and the efficiency of power amplifier is increased with a low implementation cost.

ELECTRODE ACTIVE COMPOSITE MATERIALS AND METHODS OF MAKING THEREOF

A method of synthesizing a lithium metal phosphate composite usable for a lithium secondary battery includes the steps of forming a nanometer-size precursor comprising lithium source and metal phosphate nanoparticles having each nanoparticle at least partially coated a layer of carbon precursor, spray drying the nanometer-size precursor at a first desired temperature to form micron-size particles packed with the lithium metal phosphate precursor nanoparticles, and sintering the micron-size particles at a second desired temperature under an inert and/or reduction atmosphere to form a micron-size lithium metal phosphate composite. 1. A method of synthesizing a lithium iron phosphate composite usable for a lithium secondary battery , comprising the steps of:providing a first solution and a second solution, wherein the first solution comprises ferric chloride hexahydrate dissolved in water, and wherein the second solution comprises diammonium hydrogen phosphate and pyrrole dissolved in water;drop-wisely adding the first solution into the second solution with stirring to form a first mixture;stirring the first mixture for a first period of time;filtering and rinsing the stirred mixture with water to obtain solid substances;{'sub': '4', 'forming a composite of FePOand carbon precursor from the solid substances;'}{'sub': '4', 'mixing an equivalent mole of a lithium compound and a sucrose with the FePOcomposite to form a second mixture;'}ball-milling the second mixture for a second period of time to form a lithium iron phosphate precursor comprising nanometer-sized particles; andsintering the lithium iron phosphate precursor under an argon and hydrogen gas mixture at a first temperature for a third period of time to form a lithium iron phosphate composite.2. The method of claim 1 , wherein the lithium compound comprises LiCO.3. The method of claim 1 , wherein the lithium iron phosphate precursor is formed with Li:Fe:P=1:1:1 by mole ratio.4. The method of claim 1 , wherein ...

Manufacture method of vehicular air conditioning condenser

A manufacture method of a vehicular air conditioning condenser includes the steps of firstly, sintering to remove oil, namely heating a parallel flow condenser core in a heating furnace to 200-300 DEG C; secondly, cleaning by mechanical shot blasting process, namely setting the diameter of steel shots of a shot blasting machine to range from 0.1mm to 0.6mm, and removing dust by compressed air; after the temperature of a part subjected to shot-blasting dust removal and at about 60 DEG C drops to 20 DEG C, clearing impurity on the surface of the parallel flow condenser core, and removing all burs; thirdly, spraying, namely using a spray gun to evenly spray prepared dacrotized zinc-base composite coating solution to the whole surface of the parallel flow condenser core; fourthly, baking, namely baking at the temperature range of 200-300 DEG C for 10-15 minutes; fifthly, spraying secondarily, namely using the spray gun to evenly spray the prepared dacrotized zinc-base composite coating solution ...

Method and device for measuring flame propagation speed of flammable liquid

The invention discloses a method and a device for measuring flame propagation speed of flammable liquid. A combustion cell which can form different inclined angles with the horizontal plane and has the adjustable width is designed, porous oil absorption material adsorbing the flammable liquid in a saturation mode is tiled in the combustion cell, flame combustion of the flammable liquid is recorded through a high-speed camera, ignition positions are selected, ignition is performed, and therefore continuous combustion of the flame of the flammable liquid can be achieved on the conditions of the different inclined angles, different widths and the different ignition positions. A dynamic process of flame propagation is recorded through the high-speed camera, a computer stores the dynamic process of the flame propagation, and analyzes and processes experimental data, and therefore the flame propagation speed of the flammable liquid on the conditions of the different inclined angles and the different ...

Gas channeling simulated evaluation instrument for casing cement slurry

The invention discloses a gas channeling simulated evaluation instrument for casing cement slurry, which mainly comprises a kettle body, a filtrate storage tank, an injection pressure sensor, a flow meter, an injection nitrogen source, a back pressure sensor, an automatic pressure relief device, a back pressure nitrogen source, a peripheral pressure water tank, a peripheral pressure nitrogen source and a computer. The cement slurry is placed in the kettle body, a piston arranged at the top of the cement slurry and a bottom cover of the kettle body are both mounted with filter screens, a pore pressure sensor is arranged at the lower part of the kettle body, an inner couple and an outer couple are arranged at the middle of the kettle body, a bottom cover of the kettle body is connected with the filtrate storage tank and a safety valve, the top of the kettle body is connected with the peripheral pressure water tank and the peripheral pressure nitrogen source, the bottom of the kettle body ...

Soft touch switch press fitting device

The invention discloses a soft touch switch press fitting device which comprises a working table board. A replaceable jig is connected on the working table board and used for fixing a soft touch switch casing, screw limit devices are arranged on two sides of the soft touch switch casing, and a replaceable pressing plate is arranged above the soft touch switch casing. The pressing plate is a box body with the bottom free of covers, pressing strips for press fitting a printed circuit board (PCB) are formed at the edges of the bottom of the pressing plate, an approaching switch, a detecting probe and a photoelectric sensor are arranged in the pressing plate, and the pressing plate is connected with a pressing cylinder. A detecting device of screws and a detecting device in the pressing plate achieve product installing and detecting through one-step clamping, time is saved, and labor intensity of working staff is reduced.

Colorful cotton swab and preparation method thereof

The invention discloses a colorful cotton swab and a preparation method thereof, and belongs to the technical field of colorful cotton swabs. The colorful cotton swab comprises a cotton swab rod and a single-color cotton swab head, wherein the single-color cotton swab head is formed by fixing a cotton product on the cotton swab rod and then dyeing with a dyeing solution; the dyeing solution is prepared from the following components: 8-880 parts of a dyeing agent, 3600-4400 parts of a migration inhibitor, 360-440 parts of glacial acetic acid and 3000-8000 parts of glue; and the glue is prepared from polyvinyl alcohol and softened water at a weight ratio of 1 to 20. The colorful cotton swab prepared by adopting the prepared method has the advantages of good dyeing color scale uniformity, high product stability, strong cotton fiber strength and the like, and has no potential safety hazards in a use process; and colored sewage is not generated in a preparation process of the colorful cotton ...

Photorefractive composition responsive to multiple laser wavelengths across the visible light spectrum

Described herein are compositions that are photorefractive upon irradiation by multiple laser wavelengths across the visible light spectrum. Embodiments of the photorefractive composition comprise a polymer, a chromophore, and a sensitizer, wherein the polymer comprises a repeating unit including at least a moiety selected from the group consisting of the formulae (Ia), (Ib) and (Ic), as defined herein. The photorefractive composition can be used in optical devices.

Well-cementing cement slurry volume change testing device and method

The invention provides a well-cementing cement slurry volume change testing device, which comprises a kettle body (2), a slurry cup (6), an air source (28), a water source (29), a booster pump (18), a displacement sensor (21), a pressure sensor (25) and a control panel (26) as well as a computer acquisition terminal (27). The invention also provides a testing method using the tester. By adopting the well-cementing cement slurry volume change testing device and method, the downhole temperature and pressure condition can be effectively simulated indoors; the downhole flow state and static state of cement slurry can be effectively simulated indoors; and the small change of the cement slurry volume can be accurately recorded, thus ensuring the accuracy of the testing result.

Soft touch switch film pasting apparatus

The present invention discloses a soft touch switch film pasting apparatus, which comprises a work table surface, wherein the work table surface is provided with a rotatable rotation disc, three sets of fixtures for fixing a soft touch switch housing are uniformly arranged on the rotation disc, an air tightness detection device and a film pasting machine are respectively arranged above two of the three sets of the fixtures, the work table surface is further provided with a film rolling machine, and a film is transferred from the film rolling machine and pasted on the soft touch switch housing with an absorption rod of the film pasting machine. According to the present invention, three steps such as disassembly clamping, air tightness detection and film pasting are split into the flow work so as to shorten a production cycle; and three steps such as disassembly clamping, air tightness detection and film pasting are concurrently performed through the three fixtures on the rotation disc.

Locating pin used for riveting assembly machine

The invention discloses a locating pin used for riveting an assembly machine. The locating pin is arranged on a locating plate and is a cuboid, one side, tightly abutting against a workpiece, of the locating pin is provided with an arc groove matched with the workpiece, and two sides of the arc groove are respectively provided with a relief groove so that the workpiece can only make contact with the arc groove. The surface of the locating pine is wrapped by a layer of flexible glue. The appearance of the arc groove formed in the locating pine is identical with the locating surface of the workpiece, and therefore surface contact is achieved; the surface of the locating pin is wrapped by a thin flexible material, so that locating accuracy of the workpiece can be guaranteed, and the surface of the workpiece can be protected.

Side riveting pressure mechanism used for riveting pressure assembly machine

The invention discloses a side riveting pressure mechanism used for a riveting pressure assembly machine. The side riveting pressure mechanism used for the riveting pressure assembly machine comprises a guide board and a riveting air cylinder, wherein the guide board and the riveting air cylinder are arranged at the axis of one side of a riveting hole of a shell body, and the shell body, the guide board and the riveting air cylinder are fixed on a working plane. A riveting air cylinder piston is connected with a piston rod coaxial with the piston, and the piston rod is sleeved on the guide board. Through pushing of the piston rod, pins are riveted into a riveting pressing hole. Due to the fact that the riveting air cylinder is arranged at the axial line of the side face of the shell body, the riveted pin is installed at a customized piston rod, and the riveting of the pins are achieved through the pushing of the piston rod. The guide board is arranged on the axis of the piston rod for ensuring ...

Refrigeration device and working method thereof

The invention relates to a refrigeration device and a working method thereof. The refrigeration device comprises a plurality of heat insulation storerooms (2, 3 and 4), a refrigerating system (5) used for cooling the storerooms (2, 3 and 4) and an indication unit (20). According to the refrigeration device and the working method thereof, the indication unit (20) can indicate information that which storeroom(s) (2, 3 and 4) is/are cooled by the refrigerating system (5) currently.

Locating disc for riveting pressing assembly machine

The invention discloses a locating disc for a riveting pressing assembly machine. A lateral ejection air cylinder is arranged at one side of the locating disc. The locating disc is connected with a locating pin and composed of an upper portion and a lower portion. The upper half portion is a detachable and replaceable flexible locating disc body and the lower half portion is a hard locating disc body. A boss is arranged on the flexible locating disc body and tightly matched with a hole in the bottom of a workpiece so that the workpiece can be located. The locating disc is composed of the two portions and a locating face for assembling the workpiece makes contact with the flexible locating disc body of the upper half portion so that the surface of the workpiece can be prevented from being scratched. When the flexible locating disc body is abraded, the flexible locating disc body can be replaced, the whole locating disc is prevented from being replaced, cost is saved, and the work efficiency ...

Method and device for monitoring ground faults of overhead wire

The invention discloses a method and a device for monitoring ground faults of an overhead wire. The method includes synchronously measuring an incremental vector of current within a time period Delta t of each of a current phase a, a current phase b and a current phase c of a distribution network, computing the sum of the vectors, determining that the three current phases are balanced if the sum of the vectors is a set threshold value, and determining that a current circuit does not have a ground fault; and determining that the three current phases are imbalanced if the sum of the vectors is not the set threshold value, and determining that the current circuit has a ground fault. The method and the device have the advantage that the ground fault judgment accuracy is improved.

Low Platinum Fuel Cells, Catalysts, and Method for Preparing the Same

This invention provides novel fuel cell electrodes and catalysts comprising a series of catalytically active thin-film metal alloys with low platinum concentration supported on nanostructured materials (nanoparticles). Processing of the electrodes and catalysts can include electrodeposition methods, and high-pressure coating techniques. In certain embodiments, an integrated gas-diffusion/electrode/catalyst layer can be prepared by processing catalyst thin films and nanoparticles into gas-diffusion media such as Toray or SGL carbon fiber papers. The catalysts can be placed in contact with an electrolyte membrane for PEM fuel cell applications. 142to . (canceled)43. A method of coating a plurality of nanoparticles with an ionomer , the method comprising:contacting the nanoparticles with the ionomer;placing the nanoparticles in the pressure vessel; and,pressurizing the pressure vessel, whereby said pressurizing enhances coating of the nanoparticles with the ionomer.44. The method of claim 43 , wherein the nanoparticles are selected from the group consisting of nanotubes claim 43 , nanofibers claim 43 , nanohorns claim 43 , nanopowders claim 43 , nanospheres claim 43 , and quantum dots.45. The method of claim 44 , wherein the nanoparticles are carbon nanotubes.46. The method of claim 45 , wherein the carbon nanotubes are seeded with one or more catalysts comprising one or more materials selected from the group consisting of Co claim 45 , Ni claim 45 , V claim 45 , Cr claim 45 , Pt claim 45 , Ru claim 45 , Mo claim 45 , W claim 45 , Ta claim 45 , and Zr.47. The method of claim 45 , wherein the carbon nanotubes are seeded with one or more catalysts selected from the group consisting of FeNiCowhere 0≦x≦1 and 0≦y≦1 claim 45 , CoMowhere 0≦x≦0.3 claim 45 , CoNiMowhere 0.1≦x≦0.7 and 0≦y≦0.3 claim 45 , CoNiVCrwhere 0≦x≦0.7 and 0≦y≦0.2 claim 45 , 0≦z≦0.2 claim 45 , NiMoAlwhere 0≦x≦0.2 and 0≦y≦0.2 claim 45 , and CoNiAlwhere 0≦x≦0.7 and 0≦y≦0.2.48. The method of claim 45 , wherein ...

OPTICAL DEVICES FOR MODULATING LIGHT OF PHOTOREFRACTIVE COMPOSITIONS WITH THERMAL CONTROL

Described herein are optical devices comprising a photorefractive layer and at least two inert layers, such that the photorefractive layer is sandwiched between the two inert layers. The photorefractive layer may include a photorefractive composition that is photorefractive upon irradiation by a laser beam. In some embodiments, the photorefractive composition is formulated such that a grating that is irradiated into the photorefractive composition can be read out of the photorefractive composition without applying an external bias voltage. Furthermore, a grating that is written into the composition may be controlled using thermal treatment. 2. The optical device of claim 1 , wherein each of the inert layers independently comprises at least one polymer selected from the group consisting of poly(methyl methacrylate) claim 1 , polyvinyl alcohol claim 1 , crosslinkable polyimide claim 1 , non-crosslinkable polyimide claim 1 , polycarbonate claim 1 , amorphous polycarbonate claim 1 , and polyvinylpyrrolidone3. The optical device of claim 1 , wherein the inert layers directly contact the photorefractive material.4. The optical device of claim 1 , wherein at least one inert layer comprises amorphous polycarbonate.6. The optical device of claim 1 , further comprising two layers of indium tin oxide (ITO) coated glass plates claim 1 , wherein the photorefractive layer and the two inert layers are sandwiched between the glass plates.11. The optical device of claim 1 , wherein the composition further comprises a chromophore.12. The optical device of claim 1 , wherein the composition further comprises a plasticizer.14. The optical device of claim 1 , wherein the composition has a transmittance of higher than about 30% at a thickness of 105 μm when irradiated by a laser beam.15. The optical device of claim 1 , wherein the composition is photorefractive upon irradiation by a laser beam having a wavelength in the range of from about 500 nm to about 700 nm.16. A method of forming a ...

PHOTOREFRACTIVE COMPOSITION RESPONSIVE TO MULTIPLE LASER WAVELENGTHS ACROSS THE VISIBLE LIGHT SPECTRUM

Described herein are compositions that are photorefractive upon irradiation by multiple laser wavelengths across the visible light spectrum. Embodiments of the photorefractive composition comprise a polymer, a chromophore, and a sensitizer, wherein the polymer comprises a repeating unit including at least a moiety selected from the group consisting of the formulae (Ia), (Ib) and (Ic), as defined herein. The photorefractive composition can be used in optical devices. 2. The composition of claim 1 , further comprising a sensitizer.4. The composition of claim 2 , wherein the sensitizer comprises a fullerene.5. The composition of claim 4 , wherein the fullerene is selected from the group consisting of optionally substituted C claim 4 , optionally substituted C claim 4 , optionally substituted C claim 4 , optionally substituted single-wall carbon nanotube claim 4 , and optionally substituted multi-wall carbon nanotube.6. The composition of claim 5 , wherein the fullerene is selected from the group consisting of [6 claim 5 ,6]-phenyl-C-butyricacid-methylester claim 5 , [6 claim 5 ,6]-phenyl-C-butyricacid-methylester claim 5 , and [6 claim 5 ,6]-phenyl-C-butyricacid-methylester.7. The composition of claim 2 , wherein the sensitizer is selected from the group consisting of optionally substituted phthalocyanine claim 2 , optionally substituted perylene claim 2 , optionally substituted porphyrin claim 2 , and optionally substituted terrylene.8. The composition of claim 1 , further comprising a combination of sensitizers claim 1 , wherein the combination of sensitizers is selected from the group consisting of optionally substituted fullerenes claim 1 , optionally substituted phthalocyanines claim 1 , optionally substituted perylenes claim 1 , optionally substituted porphyrins claim 1 , and optionally substituted terrylenes.9. The composition of claim 2 , wherein the composition comprises the sensitizer in an amount in the range of about 0.01% to about 5% claim 2 , by weight ...

SYSTEMS AND METHODS FOR IMPROVING THE PERFORMANCE OF A PHOTOREFRACTIVE DEVICE BY UTILIZING ELECTROLYTES

A photorefractive device () and method of manufacture are disclosed. The device () comprises a layered structure in which one or more polymer layers () are interposed between a photorefractive material () and at least one transparent electrode layer (). One or more electrolytes are dispersed into the one or more polymer layers (). When a bias is applied to the device (), the device () exhibits an increase in signal efficiency compared to a similar device without electrolyte. Both grating decay time and grating response time are greatly reduced by dispersing electrolytes into one or more polymer layers in the photorefractive device. The grating decay time can be adjusted by dispersing different kinds of the electrolytes and/or different concentration of the electrolytes, which can be fitted into all kinds of applications with different requirements for grating response and decay time. 1. A photorefractive device , comprising:a photorefractive material;a first transparent electrode layer;a first polymer layer interposed between the first transparent electrode layer and the photorefractive material; andan electrolyte dispersed in said first polymer layers.2. The device of claim 1 , wherein the electrolyte comprises an organic salt.3. The device of claim 1 , wherein the amount of the electrolyte is in the range of about 0.01% to about 10% by weight of the first polymer.4. The device of claim 3 , wherein the amount of the electrolyte is in the range of about 0.1% to about 2% by weight of the first polymer.5. The device of claim 1 , further comprising a second polymer layer and a second transparent electrode layer claim 1 , wherein:the first transparent electrode layer and the second transparent electrode layer are positioned on opposite sides of the photorefractive material; andthe second polymer layer is interposed between the second electrode layer and the photorefractive material.6. The device of claim 1 , wherein the grating response time and grating decay time of ...

PHOTOREFRACTIVE DEVICE CONTAINING A CHROMOPHORE-DOPED POLYMER LAYER AND ITS MANUFACTURING METHOD

A photorefractive device () and method of manufacture are disclosed. The device () comprises a layered structure, in which one or more chromophore-doped polymer layers () are interposed between a photorefractive material () and one or more electrode layers (). The layered structure can also be interposed between a plurality of substrates (). In some embodiments, the device () exhibits a decreased decay time when applying the biased voltage. Concurrently, the device () of the present disclosure utilizes approximately half the bias voltage, advantageously resulting in a longer device life time. 1. A photorefractive device comprising:one or more electrode layers;a layer that comprises a photorefractive material; andone or more polymer layers interposed between the one or more electrode layers and the photorefractive material, wherein the one or more polymer layers is doped with one or more chromophores, and wherein the one or more chromophore-doped polymer layers is non-photorefractive.2. The photorefractive device of claim 1 , wherein the photorefractive device exhibits a decreased grating decay time relative to a second photorefractive device having polymer layers that are not doped with chromophores claim 1 , wherein the grating decay time is determined using a 532 nm laser beam.3. The photorefractive device of claim 1 , wherein the photorefractive device exhibits a decreased grating response time relative to a second photorefractive device having polymer layers that are not doped with chromophores claim 1 , wherein the grating response time is determined using a 532 nm laser beam.4. The photorefractive device of claim 1 , wherein the one or more chromophore-doped polymer layers comprise a polymer selected from the group consisting of polymethyl methacrylate claim 1 , polyimide claim 1 , amorphous polycarbonate claim 1 , and siloxane sol-gel.5. The photorefractive device of claim 1 , wherein the one or more chromophore-doped polymer layers comprise a chromophore ...

Method, Radio Unit and Radio Base Station for Adjusting Thresholds for Crest Factor Reduction

The present invention relates to clipping thresholds adjustment for Crest Factor Reduction CFR in a radio unit, wherein the radio unit comprises one or more clipping stages that apply respective clipping thresholds to clip input signals, comprising: determining a target threshold for the clipping stages based on a target PAR and the amplitudes or powers of the input signals, estimating the direction in which original PAR of the input signals changes by comparing amplitudes of the clipped signals from the clipping stages with the target threshold, and adjusting the clipping thresholds based on the estimated direction. The present invention also relates to dynamic stage control. With the present invention, clipping thresholds and clipping stages are adaptively changes with dynamic original PAR of input signals and the efficiency of power amplifier is increased with a low implementation cost.

Photorefractive composition comprising electrolytes in a photorefractive layer and method of making thereof

A photorefractive composition and a photorefractive device comprising the composition are disclosed. The composition is configured to be photorefractive upon irradiation by a laser having a wavelength in the visible light spectrum and comprises a polymer, a non linear optical chromophore, a plasticizer, and an electrolyte. In an embodiment, the percentage of polymer recurring units that comprise a charge transport moiety is less than 30%. In an embodiment, the electrolyte comprises one or more of ammonium salts, heterocyclic ammonium salts, and phosphonium salts. In an embodiment, the polymer is selected from the group consisting of polycarbonate, polyurea, polyurethane, poly(meth)acrylate, polyester, polyimide, and combinations thereof. Preferably, the composition has a diffraction efficiency of about 25% or greater upon irradiation with a visible light laser.

PHOTOREFRACTIVE COMPOSITION AND DEVICE COMPRISING THE COMPOSITION

A photorefractive composition and a photorefractive device comprising the composition are disclosed. The composition is configured to be photorefractive upon irradiation by a laser having a wavelength in the visible light spectrum and comprises a polymer, a non linear optical chromophore, and a plasticizer. In an embodiment, the percentage of polymer recurring units that comprise a charge transport moiety is less than 30%. In an embodiment, the polymer is selected from the group consisting of polycarbonate, polyurea, polyurethane, poly(meth)acrylate, polyester, polyimide, and combinations thereof. Preferably, the composition has a diffraction efficiency of about 30% or greater upon irradiation with a visible light laser. 2. The photorefractive composition of claim 1 , wherein the polymer is substantially free of charge transport moieties represented by the formulae (Ia) claim 1 , (Ib) claim 1 , and (Ic).3. The photorefractive composition of claim 1 , wherein the percentage of polymer recurring units that comprise a charge transport moiety is less than 20%.4. The photorefractive composition of claim 3 , wherein the polymer is substantially free of any charge transport moieties.6. The photorefractive composition of claim 5 , wherein the polymer is substantially free of non-linear optical moieties represented by the formula (IIa).7. The photorefractive composition of claim 5 , wherein the percentage of polymer recurring units that comprise a non-linear optical moiety is less than 20%.8. The photorefractive composition of claim 7 , wherein the polymer is substantially free of any non-linear optical moieties.9. The photorefractive composition of claim 1 , wherein the polymer is selected from the group consisting of polycarbonate claim 1 , polyurea claim 1 , polyurethane claim 1 , polyacrylate claim 1 , polymethacrylate claim 1 , polyester claim 1 , polyimide claim 1 , and combinations thereof.10. The photorefractive composition of claim 9 , wherein the polymer is ...

DISINFECTING WATER DEVICE

Described herein are devices for providing drinking fluid from feed sources comprising: a first reservoir, a filter for mechanically removing particles and a second reservoir for receipt of the processed feed fluid. A continually disinfecting element is disposed in either or both reservoirs to remove additional materials from the fluid. Drinking fluid is provided in a portable device. Optional light sources are provided to interact with the disinfecting elements and/or provide an indication of the contained suitability of such disinfecting elements. A method for creating drinking fluid from a feed source is also disclosed. 1. A device for producing a drinkable aqueous liquid from feed liquid comprising:a first fluid reservoir for receiving an aqueous feed liquid;a filter, in fluid communication with both the first fluid reservoir and a second fluid reservoir;wherein the filter is configured to size exclude undesired materials as the aqueous feed liquid passes from the first fluid reservoir to the second fluid reservoir, so that a sufficient amount of undesired materials are removed from the aqueous feed liquid to provide drinkable water to the second fluid reservoir by one pass of the aqueous feed liquid through the filter; anda disinfecting element disposed within the first fluid reservoir or the second fluid reservoir and contacting the water contained therein, wherein a sufficient amount of disinfecting element is present to disinfect a volume of aqueous feed liquid that is greater than the volume of the first fluid reservoir.2. The device of claim 1 , wherein the disinfecting element is within an antimicrobially effective distance of a surface of the filter.3. The device of claim 1 , wherein the disinfecting element is disposed within the first fluid reservoir within an antimicrobially effective distance of a surface of the first fluid reservoir.4. The device of claim 1 , wherein the disinfecting element is disposed within the second fluid reservoir within an ...

PLATE-LIKE COMPOSITE MATERIAL CONTAINING POLYTETRAFLUOROETHYLENE AND FILLER

Provided is a composite material that shows a low specific dielectric constant, and that hardly causes an appearance failure or changes in characteristics when exposed to, for example, a treatment liquid to be used in the production of an electronic circuit board. Specifically, a plate-like composite material including polytetrafluoroethylene and a predetermined filler, and satisfying a predetermined condition serves as a composite material that shows a low specific dielectric constant, and that hardly causes an appearance failure or changes in characteristics even when exposed to, for example, a treatment liquid to be used in the production of an electronic circuit board. 1. A plate-like composite material , comprising:polytetrafluoroethylene; anda filler,wherein the filler contains porous inorganic fine particle aggregates each formed by aggregation of inorganic fine particles having an average primary particle diameter of from 5 nm to 200 nm,wherein the composite material has a porosity of 35% or more,wherein the composite material has a critical liquid-repellent tension determined by a wetting tension test of 34.0 mN/m or less, andwherein, in the wetting tension test, a test object is immersed in each of test mixtures, which correspond to test mixtures described in JIS K 6768:1999 of Japan Industrial Standards, and which have wetting tensions at 23° C. of 22.6 mN/m, 25.4 mN/m, 27.3 mN/m, 30.0 mN/m, 31.0 mN/m, 32.0 mN/m, 33.0 mN/m, 34.0 mN/m, 35.0 mN/m, 36.0 mN/m, 37.0 mN/m, 38.0 mN/m, 39.0 mN/m, 40.0 mN/m, 41.0 mN/m, 42.0 mN/m, 43.0 mN/m, 44.0 mN/m, 45.0 mN/m, 46.0 mN/m, 48.0 mN/m, and 50.0 mN/m, at 25° C. for 1 minute to confirm whether or not each of the test mixtures permeates the test object, and a numerical value of a wetting tension of a test mixture having the smallest wetting tension out of the test mixtures that have not permeated the test object is determined to be a critical liquid-repellent tension of the test object.2. The composite material ...

Method and Device for Protecting Address Book, and Communication System

Provided are a method and device for protecting an address book and a communication system. The method comprises: when encrypting at least one contact in the address book, encryption processing is performed on contact number information of the contact and no encryption processing is performed on contact name information of the contact, such that, after encryption, the contact number information of the contact is hidden and the contact name information of the contact can be displayed normally. A user can find out a contact directly through the corresponding contact name information normally displayed, different from an existing encryption mechanism in which a user is required to login a verification password or passcode first every time acquiring the contact name information; the present disclosure is more convenient for a user to use and improves the satisfaction degree of user experience while ensuring encryption safety. 1. A method for protecting an address book , wherein a contact stored in the address book of a communication terminal at least comprises contact number information and contact name information , the method comprising:the communication terminal performing encryption processing on contact number information of at least one contact in the address book and displaying contact name information of the contact.2. The method for protecting the address book as claimed in claim 1 , further comprising:when the communication terminal judges that a current contact performing communication with the communication terminal is an encrypted contact, the communication terminal performing encryption processing, in a communication display interface and/or a communication record of the communication, on contact number information of the current contact.3. The method for protecting the address book as claimed in claim 2 , wherein the communication terminal judging whether the current contact performing the communication with the communication terminal is the encrypted ...

WAVELENGTH CONVERSION FILMS WITH MULTIPLE PHOTOSTABLE ORGANIC CHROMOPHORES

Described herein are wavelength conversion films which utilize photostable organic chromophores. In some embodiments, wavelength conversion films and chromophores exhibit improved photostability. In some embodiments, a wavelength conversion film comprising luminescent compounds is useful for improving the solar harvesting efficiency of solar cells, solar panels, or photovoltaic devices. In some embodiments, a wavelength conversion film comprising multiple luminescent compounds is useful for greenhouse roofs. Some embodiments provide an improved solar light wavelength profile for improved plant nutrition and/or growth. 1. A wavelength conversion film , comprising:an optically transparent polymer matrix;a first organic photostable chromophore having an absorption maximum less than about 400 nm and an emission maximum greater than about 400 nm.2. The wavelength conversion film of claim 1 , further comprising a second organic photostable chromophore.3. The wavelength conversion film of claim 2 , wherein the absorption maximum of the first organic photostable chromophore is in the range from about 300 nm to about 400 nm and the emission maximum of the first organic chromophore is in the range from about 400 nm to about 520 nm;4. The wavelength conversion film of claim 2 , wherein the absorption maximum of the second organic photostable chromophore is in the range from about 480 nm to about 620 nm and the emission maximum of the second organic photostable chromophore is in the range range from about 550 nm to about 800 nm.5. The wavelength conversion film of claim 2 , wherein the absorption maximum of the second chromophore is greater than about 400 nm.6. The wavelength conversion film of claim 2 , wherein the first organic photostable chromophore and the second organic photostable chromophore are independently selected from the group consisting of a perylene derivative claim 2 , a benzotriazole derivative claim 2 , a benzothiadiazole derivative claim 2 , and a benzo ...

Automated Detection Method

An automated detection method comprises steps of: moving at least one panel to a first detection station by a first automatic loading device for an automated lighting detection of the panel; assembling the panel with at least one polarizer and at least one circuit board to obtain a display module and moving the display module to a second detection station by a second automatic loading device for an automated optical detection and an automated lighting detection of the display module; and combining the display module and a backlight module to form a display device and moving the display device to a third detection station by a third automatic loading device for an automated lighting detection of the display device. 1. An automated detection method , comprising steps of:moving at least one panel to a first detection station by a first automatic loading device for an automated lighting detection of the panel;assembling the panel with at least one polarizer and at least one circuit board to obtain a display module and moving the display module to a second detection station by a second automatic loading device for an automated optical detection and an automated lighting detection of the display module; andcombining the display module and a backlight module to form a display device and moving the display device to a third detection station by a third automatic loading device for an automated lighting detection of the display device.2. The automated detection method as recited in claim 1 , wherein the panel is carried by a cassette claim 1 , a tray or a conveyer and moved to the first detection station by the first automatic loading device.3. The automated detection method as recited in claim 1 , wherein the first automatic loading device is a four-axis or six-axis robotic arm.4. The automated detection method as recited in claim 1 , wherein the lighting detection of the panel automatically implemented by the first detection station comprises steps of:moving the panel to a ...

INFORMATION SYSTEM FAULT SCENARIO INFORMATION COLLECTING METHOD AND SYSTEM

The present disclosure discloses a fault scenario information collecting method and system for an information system, which regularly acquire information of each parameter of a first preset parameter set in the information system at a preset time interval, monitor operating states of the information system to judge whether a fault occurs in the operating states of the information system, and acquire information of each parameter of a second preset parameter set in the information system when the fault occurs in the operating states of the information system. 1. A fault scenario information collecting method for an information system , comprising:regularly acquiring information of each parameter of a first preset parameter set in the information system at a preset time interval;monitoring operating states of the information system to judge whether a fault occurs in the operating states of the information system; andacquiring information of each parameter of a second preset parameter set in the information system when the fault occurs in the operating states of the information system.2. The information collecting method according to claim 1 , wherein the acquiring information of each parameter of the second preset parameter set in the information system when the fault occurs in the operating states of the information system includes:matching the information for the fault with a preset information to obtain a preset fault scenario type corresponding to the information for the fault when the fault occurs in the operating states of the information system; andacquiring, according to the fault scenario type corresponding to the information for the fault, the information of each parameter of the second preset parameter set corresponding to the fault scenario type.3. The information collecting method according to claim 2 , further comprises:matching the information for the fault with the preset information, and adding a fault scenario type corresponding to the information ...

PHOTOCATALYST SHEET

There is provided a photocatalyst sheet comprising a base material and a photocatalyst layer containing at least a photocatalyst, wherein the photocatalyst layer is firmly adhered to the base material. In an embodiment, there is provided a photocatalyst sheet comprising a base material; and a photocatalyst layer that contains at least a photocatalyst, and is formed on at least one surface of the base material through an aerosol deposition method. This photocatalyst sheet has an excellent photocatalytic activity and an excellent adhesion. 1. A photocatalyst sheet comprising a base material and a photocatalyst layer containing at least a photocatalyst , wherein the photocatalyst layer is firmly adhered to the base material.2. A photocatalyst sheet comprising: a base material; and a photocatalyst layer that contains at least a photocatalyst , and is formed on at least one surface of the base material through an aerosol deposition method.3. The photocatalyst sheet according to claim 2 , wherein the base material is a porous film.4. The photocatalyst sheet according to claim 2 , wherein the base material is formed of a resin.5. The photocatalyst sheet according to claim 4 , wherein the resin includes thermosetting resin claim 4 , a thermoplastic resin claim 4 , an ultraviolet curable resin claim 4 , or an electron beam curable resin.6. The photocatalyst sheet according to claim 2 , wherein the photocatalyst shows a visible-light responsiveness.7. The photocatalyst sheet according to claim 2 , wherein the photocatalyst layer further contains a co-catalyst.8. The photocatalyst sheet according to claim 7 , wherein the photocatalyst contains titanium(IV) oxide or tin(IV) oxide claim 7 , and the co-catalyst contains copper(I) oxide or copper(II) oxide claim 7 , and wherein the co-catalyst is supported on the photocatalyst.9. The photocatalyst sheet according to claim 7 , wherein the photocatalyst contains tungsten(VI) oxide claim 7 , and the co-catalyst contains cerium(IV) ...

COOLING APPLIANCE AND OPERATION METHOD THEREOF

The present invention relates to a cooling appliance and an operating method thereof. The cooling appliance comprises multiple thermally insulated storage chambers (), a cooling system () for cooling these storage chambers (), and an indication unit (). According to the proposal of the present invention, the indication unit () is set to be capable of displaying information about which of the storage chambers () is/are being cooled by the cooling system (). 117.-. (canceled)18. A cooling appliance , comprising:a plurality of thermally insulated storage chambers;a cooling system for cooling the storage chambers; andan indication unit configured to show information of which of the storage chambers is/are currently cooled by the cooling system;wherein the indication unit comprises multiple indication portions respectively corresponding to one or more storage chambers and illumination elements for illuminating the corresponding indication portions; wherein when one of the storage chambers is being cooled, the luminance of the illumination element corresponding to the storage chamber periodically and gradually changes between a lower limit value and an upper limit value.19. The cooling appliance according to claim 18 , wherein claim 18 , the information is shown through characters claim 18 , symbols claim 18 , and optical and/or acoustic signals.20. The cooling appliance according to claim 18 , wherein claim 18 , the multiple indication portions are sequentially arranged according to an arrangement sequence of the storage chambers.21. The cooling appliance according to claim 18 , further comprising: multiple doors claim 18 , wherein each of the doors is used to close or open at least one part of the corresponding storage chambers claim 18 , and the indication unit is disposed on at least one door.22. The cooling appliance according to claim 21 , wherein claim 21 , the indication unit is disposed on a front side of the door.23. The cooling appliance according to claim 18 , ...

Lead-Free High-Insulating Ceramic Coating Zinc Oxide Arrester Valve and Preparation Method Thereof

A lead-free insulating ceramic coating zinc oxide arrester valve and a method for manufacturing thereof are disclosed. In an embodiment a method includes preparing an initial powder from starting materials with the following mass percentages: ZnO: 86-95%; Bi 2 O 3 : 1.0-3.0%; Co 3 O 4 : 0.5-1.5%; Mn 3 O 4 : 0.2-1.0%; Sb 2 O 3 : 3.0-9.0%; NiO: 0.2-1.0%; and SiO 2 : 1.0-3.0%, preparing a ceramic coating powder by mixing the initial powder, deionized water and first grinding balls, milling the mixture, and drying and pulverizing the mixture, preparing a ceramic coating slurry by mixing a PVA solution, the ceramic coating powder and second grinding balls and milling the mixture, applying the ceramic coating slurry to a green body, heating and debinding the ceramic coating slurry with the green body thereby forming a resistor element and sintering the resistor element thereby obtaining a zinc oxide surge arrester valve block having a lead-free insulating ceramic coating.

ADAPTIVE PHASE SHIFT APPARATUS AND METHOD

The invention discloses an adaptive phase shift method in a multi-carrier system, comprising: generating a group of one or more new phase values for corresponding one or more phase shift carriers, PSCs, based on quantization phase values; calculating and comparing a backward maximum power in an evaluation path with the group of one or more new phase values in one timeslot and a forward maximum power in a working path with current phase values in the timeslot; and adjusting phase of the PSCs based on the group of one or more new phase values if the calculated backward maximum power is less than the calculated forward maximum power. An adaptive phase shift apparatus is also disclosed. With the invention, complexity of the implementation is reduced and a small DPS block resource, low Hardware cost, low power consumption is also achieved. 1. An adaptive phase shift method in a multi-carrier system , comprising:generating a group of one or more new phase values for corresponding one or more phase shift carriers (PSCs) based on quantization phase values;calculating and comparing a backward maximum power in an evaluation path with the group of one or more new phase values in one timeslot and a forward maximum power in a working path with current phase values in the timeslot; andadjusting phase of the corresponding one or more PSCs based on the group of one or more new phase values if the calculated backward maximum power is less than the calculated forward maximum power.2. The method of claim 1 , wherein generating the group of one or more new phase values comprises searching for the group of one or more new phase values in a phase quantization look up table.3. The method of claim 1 , wherein the method is implemented in a Digital Front End.4. The method of claim 1 , wherein a number of PSCs' phases are adjusted in parallel in one time claim 1 , and the number of the PSCs' phases is smaller than the number of all carriers in the system.5. The method of claim 1 , wherein ...

Chromophores for photochromic compositions useful for three dimensional display applications

Described herein are novel azo-benzene type chromophores. The chromophores are useful in photochromic compositions comprising a polymer matrix and a chromophore, wherein the chromophore is a novel azo-benzene type structure. The photochromic composition is photoresponsive upon irradiation by at least one wavelength of laser light across the visible light spectrum. Photochromic devices which comprise the novel azo-benzene type chromophore compound show significantly higher photoinduced birefringence, higher diffraction efficiency, and brighter images than devices that comprise well known azo-benzene chromophores. The photochromic composition may include a liquid crystal.

WAVELENGTH CONVERSION FILMS WITH MULTIPLE PHOTOSTABLE ORGANIC CHROMOPHORES

Described herein are wavelength conversion films which utilize photostable organic chromophores. In some embodiments, wavelength conversion films and chromophores exhibit improved photostability. In some embodiments, a wavelength conversion film comprising luminescent compounds is useful for improving the solar harvesting efficiency of solar cells, solar panels, or photovoltaic devices. In some embodiments, a wavelength conversion film comprising multiple luminescent compounds is useful for greenhouse roofs. Some embodiments provide an improved solar light wavelength profile for improved plant nutrition and/or growth. 3. The wavelength conversion film of claim 1 , further comprising a second organic photostable chromophore.4. The wavelength conversion film of claim 1 , wherein the absorption maximum of the first organic photostable chromophore is in the range from about 300 nm to about 400 nm and the emission maximum of the first organic chromophore is in the range from about 400 nm to about 520 nm.5. The wavelength conversion film of claim 3 , wherein the absorption maximum of the second organic photostable chromophore is in the range from about 480 nm to about 620 nm and the emission maximum of the second organic photostable chromophore is in the range from about 550 nm to about 800 nm.6. The wavelength conversion film of claim 3 , wherein the absorption maximum of the second chromophore is greater than about 400 nm.7. The wavelength conversion film of claim 3 , wherein the second organic photostable chromophore is a perylene derivative claim 3 , a benzotriazole derivative claim 3 , a benzothiadiazole derivative claim 3 , or a benzo heterocyclic system derivative.8. The wavelength conversion film of claim 1 , wherein the polymer matrix is selected from the group consisting of a host polymer claim 1 , a host polymer and a co-polymer claim 1 , and multiple polymers.9. The wavelength conversion film of claim 1 , wherein the polymer matrix is formed from a substance ...

Yellow-green to yellow-emitting phosphors based on halogenated-aluminates

本發明揭示以鋁酸鹽為主之黃-綠及黃發光磷光體，其用於白色LED、一般照明以及LED及背光顯示器中。在本發明之一個實施例中，該磷光體包含具有式A3BxAl5O12Cy:Ce3+之鹵化鋁酸鹽，其中A係Lu、La、Sc、Gd或Tb中之至少一者；B係Mg、Sr、Ca或Ba中之至少一者；C係F、Cl、Br或I中之至少一者；且y可為約2x或比2x小至多5%、10%、25%及50%的量(按化學計量)。該等鹵化鋁酸鹽黃-綠至黃發光磷光體係經組態以吸收波長介於約420 nm至約480 nm範圍內之激發輻射，且發射峰發射波長介於約550 nm至約600 nm範圍內之光。

Acoustically transparent antimicrobial surfaces

Described herein are medical elements for reducing intra-patient microbial contamination. The elements include an acoustically transmissive matrix and an antimicrobial element.

Systems and methods for improving the performance of a photorefractive device by utilizing electrolytes

Wavelength conversion films with multiple photostable organic chromophores

Described herein are wavelength conversion films which utilize photostable organic chromophores. In some embodiments, wavelength conversion films and chromophores exhibit improved photostability. In some embodiments, a wavelength conversion film comprising luminescent compounds is useful for improving the solar harvesting efficiency of solar cells, solar panels, or photovoltaic devices. In some embodiments, a wavelength conversion film comprising multiple luminescent compounds is useful for greenhouse roofs. Some embodiments provide an improved solar light wavelength profile for improved plant nutrition and/or growth.

Photorefractive composition comprising electrolytes in a photorefractive layer and method of making thereof

A photorefractive composition and a photorefractive device comprising the composition are disclosed. The composition is configured to be photorefractive upon irradiation by a laser having a wavelength in the visible light spectrum and comprises a polymer, a non linear optical chromophore, a plasticizer, and an electrolyte. In an embodiment, the percentage of polymer recurring units that comprise a charge transport moiety is less than 30%. In an embodiment, the electrolyte comprises one or more of ammonium salts, heterocyclic ammonium salts, and phosphonium salts. In an embodiment, the polymer is selected from the group consisting of polycarbonate, polyurea, polyurethane, poly(meth)acrylate, polyester, polyimide, and combinations thereof. Preferably, the composition has a diffraction efficiency of about 25% or greater upon irradiation with a visible light laser.

Plate-like composite material containing polytetrafluoroethylene and filler

Provided is a composite material that shows a low specific dielectric constant, and that hardly causes an appearance failure or changes in characteristics when exposed to, for example, a treatment liquid to be used in the production of an electronic circuit board. Specifically, a plate-like composite material including polytetrafluoroethylene and a predetermined filler, and satisfying a predetermined condition serves as a composite material that shows a low specific dielectric constant, and that hardly causes an appearance failure or changes in characteristics even when exposed to, for example, a treatment liquid to be used in the production of an electronic circuit board.

Lead-free high-insulating ceramic coating zinc oxide arrester valve and preparation method thereof

A lead-free insulating ceramic coating zinc oxide arrester valve and a method for manufacturing thereof are disclosed. In an embodiment a method includes preparing an initial powder from starting materials with the following mass percentages: ZnO: 86-95%; Bi2O3: 1.0-3.0%; Co3O4: 0.5-1.5%; Mn3O4: 0.2-1.0%; Sb2O3: 3.0-9.0 %; NiO: 0.2-1.0%; and SiO2: 1.0-3.0%, preparing a ceramic coating powder by mixing the initial powder, deionized water and first grinding balls, milling the mixture, and drying and pulverizing the mixture, preparing a ceramic coating slurry by mixing a PVA solution, the ceramic coating powder and second grinding balls and milling the mixture, applying the ceramic coating slurry to a green body, heating and debinding the ceramic coating slurry with the green body thereby forming a resistor element and sintering the resistor element thereby obtaining a zinc oxide surge arrester valve block having a lead-free insulating ceramic coating.

Adaptive phase shift apparatus and method

The invention discloses an adaptive phase shift method in a multi-carrier system, comprising: generating a group of one or more new phase values for corresponding one or more phase shift carriers, PSCs, based on quantization phase values; calculating and comparing a backward maximum power in an evaluation path with the group of one or more new phase values in one timeslot and a forward maximum power in a working path with current phase values in the timeslot; and adjusting phase of the PSCs based on the group of one or more new phase values if the calculated backward maximum power is less than the calculated forward maximum power. An adaptive phase shift apparatus is also disclosed. With the invention, complexity of the implementation is reduced and a small DPS block resource, low Hardware cost, low power consumption is also achieved.

Chromophores for photochromic compositions useful for three dimensional display applications

Described herein are novel azo-benzene type chromophores. The chromophores are useful in photochromic compositions comprising a polymer matrix and a chromophore, wherein the chromophore is a novel azo-benzene type structure. The photochromic composition is photoresponsive upon irradiation by at least one wavelength of laser light across the visible light spectrum. Photochromic devices which comprise the novel azo-benzene type chromophore compound show significantly higher photoinduced birefringence, higher diffraction efficiency, and brighter images than devices that comprise well known azo-benzene chromophores. The photochromic composition may include a liquid crystal.

Method of conversion of lactic acid and polylactic acid to acrylic acid or acrylates in liquid phase

Described herein are methods for making acrylic acid from polylactic acid (PLA) or diluted lactic acid in liquid phase in an efficient manner by using an ionic liquid and an acid catalyst, wherein the ionic liquid comprises a DBU-based salt, a DBN-based salt, or a tetrabutylphosphonium salt. Bio-based lactic acid or polylactic acid may be employed at low temperature and in liquid phase to afford bio-based products. Further esterification of the crude acrylic acid product to obtain acrylate esters in one step under mild conditions in liquid phase is also described.

Depth calculation method and system based on time of flight, and storage medium

A time-of-flight depth calculation method includes: obtaining a phase image, and obtaining, based on the phase image, a differential ratio of charge signals corresponding to reflected signals acquired by an image sensor at different times; in response to that the differential ratio of the charge signals is greater than or equal to a threshold, obtaining a first phase based on a phase conversion model and the differential ratio of the charge signals; and calculating a depth value of a target region based on the first phase.

Display panel driving method, drive circuit, and LED display apparatus

A display panel driving method includes: obtaining a target grayscale value of each pixel unit in picture data of a frame to be displayed; determining, based on the target grayscale value of the pixel unit in the picture data of the frame to be displayed, a target pixel unit row that needs luminance compensation in the frame to be displayed; and if a display panel is driven to display a picture of the frame to be displayed, when a non-target pixel unit row is scanned, outputting, through scanning lines corresponding to the non-target pixel unit row, scanning signals with turn-on voltages each equal to a first turn-on voltage; and when a target pixel unit row is scanned, outputting, through scanning lines corresponding to the target pixel unit row, scanning signals with turn-on voltages higher than the first turn-on voltage.

光催化塗層及其製造方法

本發明係針對改良光催化材料對基板之黏附。本發明之一實施例係關於用於製造光催化元件之方法，其包含：提供包含黏合劑及光催化材料之懸浮液，其中該黏合劑對該光催化材料之重量比為約0.5至2.0份黏合劑對約1份光催化材料；及將該懸浮液應用於基板表面。

Pixel circuit, display panel, and display device

Provided is a pixel circuit, a display panel, and a display device. The pixel circuit includes a light-emitting unit, a drive unit, and a control unit. A first light-emitting element and a second light-emitting element of the light-emitting unit are electrically connected with the control unit simultaneously. The drive unit is configured to send a data signal to the light-emitting unit to drive the same to emit light.

Plate-like composite material containing polytetrafluoroethylene and filler

Provided is a composite material that shows a low specific dielectric constant, and that hardly causes an appearance failure or changes in characteristics when exposed to, for example, a treatment liquid to be used in the production of an electronic circuit board. Specifically, a plate-like composite material including polytetrafluoroethylene and a predetermined filler, and satisfying a predetermined condition serves as a composite material that shows a low specific dielectric constant, and that hardly causes an appearance failure or changes in characteristics even when exposed to, for example, a treatment liquid to be used in the production of an electronic circuit board.

复合绝缘子

本实用新型涉及一种复合绝缘子，复合绝缘子包括空心绝缘管和设置在空心绝缘管两端的上法兰和下法兰，空心绝缘管内密封有绝缘气体，下法兰包括法兰盘和包覆固定在空心绝缘管外壁上的法兰筒，法兰盘具有外端面和与空心绝缘管抵接的内端面，法兰盘内部设有连通外端面和内端面的导线槽，导线槽内密封设置导线，外端面固定有太阳能板，内端面固定有绝缘支撑盒；绝缘支撑盒的外侧面固定有压力传感器，压力传感器与太阳能板通过导线电连接，压力传感器检测复合绝缘子的压力，从而监测复合绝缘子的气密性；而导线将太阳能板和压力传感器电连接，为压力传感器提供使用周期较长的电能，保证复合绝缘子的使用寿命较长，进而能够实时监测复合绝缘子的密封性。

Navigation path determining method and apparatus, device, storage medium, and program product

A navigation path determining method and apparatus, a device, a storage medium, and a program product are provided. A navigation grid map is obtained corresponding to an application. The navigation grid map is marked with a primary region and a secondary region. A passage level of the primary region allows passage of virtual objects under volume levels. The secondary region includes a plurality of sub-secondary regions at different passage levels. The passage levels of the sub-secondary regions correspond to different maximum volume levels. At least one guide grid corresponding to the target grid is obtained for a target grid corresponding to a target virtual object. The target grid is located in the secondary region. Based on the guide grid, a navigation path of the target virtual object between the target grid and the primary region is determined. The present subject matter can ensure non-clipping of virtual objects.

Method and apparatus for manufacturing backlight source

A manufacturing apparatus for a backlight unit includes a feed mechanism, a testing mechanism, and an attachment mechanism. The feed mechanism arranges a plurality of light-emitting diodes in a row. The testing mechanism tests the light-emitting diodes. The attachment mechanism positions the light-emitting diodes to a circuit board. The attachment mechanism comprises a support assembly and a laminating device, in which the support assembly receives the light-emitting diodes tested by the at least one testing unit, the support assembly is opposite to the circuit board, and the laminating device laminates the light-emitting diodes to the circuit board. A method for manufacturing the backlight unit is also provided.

Chromophores for photochromic compositions useful for three dimensional display applications

Described herein are novel azo-benzene type chromophores. The chromophores are useful in photochromic compositions comprising a polymer matrix and a chromophore, wherein the chromophore is a novel azo-benzene type structure. The photochromic composition is photoresponsive upon irradiation by at least one wavelength of laser light across the visible light spectrum. Photochromic devices which comprise the novel azo-benzene type chromophore compound show significantly higher photoinduced birefringence, higher diffraction efficiency, and brighter images than devices that comprise well known azo-benzene chromophores. The photochromic composition may include a liquid crystal.

Method, radio unit and radio base station for adjusting thresholds for crest factor reduction

The present invention relates to clipping thresholds adjustment for Crest Factor Reduction CFR in a radio unit, wherein the radio unit comprises one or more clipping stages that apply respective clipping thresholds to clip input signals, comprising: determining a target threshold for the clipping stages based on a target PAR and the amplitudes or powers of the input signals, estimating the direction in which original PAR of the input signals changes by comparing amplitudes of the clipped signals from the clipping stages with the target threshold, and adjusting the clipping thresholds based on the estimated direction. The present invention also relates to dynamic stage control. With the present invention, clipping thresholds and clipping stages are adaptively changes with dynamic original PAR of input signals and the efficiency of power amplifier is increased with a low implementation cost.

Method, radio unit and radio base station for adjusting thresholds for crest factor reduction

The present invention relates to clipping thresholds adjustment for Crest Factor Reduction CFR in a radio unit, wherein the radio unit comprises one or more clipping stages that apply respective clipping thresholds to clip input signals, comprising: determining a target threshold for the clipping stages based on a target PAR and the amplitudes or powers of the input signals, estimating the direction in which original PAR of the input signals changes by comparing amplitudes of the clipped signals from the clipping stages with the target threshold, and adjusting the clipping thresholds based on the estimated direction. The present invention also relates to dynamic stage control. With the present invention, clipping thresholds and clipping stages are adaptively changes with dynamic original PAR of input signals and the efficiency of power amplifier is increased with a low implementation cost.

Method and equipment for manufacturing the backlight

一种新型的放射科用眼罩

本实用新型公开了一种新型的放射科用眼罩，其结构包括镜框、第一防护镜片、鼻梁架、第二防护镜片和可调节镜腿，本实用新型的一种新型的放射科用眼罩，通过在镜框后侧设置了可调节镜腿，当使用者需要根据自己头型对眼罩进行调节时，可以通过连接杆带动移动块在滑轨上进行滑动，产生一定的压力使定位珠内部的弹簧进行压缩，达到滑动的效果，从而调节到使用者适合自己的位置，且镜框后端设置有透气条，透气条上设置有透气孔，可以有效的缓解使用者长时佩戴时的不适，解决了现有放射科用眼罩通常采用束带打结方式，操作过程需要佩戴眼罩，有些操作过程需要摘下眼罩，因此使用者需要频繁戴上摘下，操作复杂的问题。

城市雨水应急排水系统

本实用新型涉及市政设施技术领域，尤其是涉及城市雨水应急排水系统，包括开设在道路两侧的排水井，在排水井的上方设置有与排水井相适配的过滤网，沿着道路的延伸方向在道路的中心开设有竖直的辅助井，辅助井的下方与道路两侧的排水井连通，在辅助井的上方设置有辅助排水系统，辅助排水系统包括密封块、辅助板、驱动件以及密封板，辅助板设置在辅助井内部并且与辅助井相适配，在辅助板的上表面开设有辅助孔，密封板同轴设置在辅助板的下方，密封板与道路转动连接，密封块设置在密封板的上表面并且与辅助孔相适配，驱动件设置在辅助井的一侧并且带动密封板以及密封块向下移动，达到了快速排水，保障交通，减少人们的财产损失的效果。

Antifouling polymer composite

The current disclosure describes a polymer composite which can comprise a polyurethane and a functionalized polyalkyl-siloxane. Polymer composites described herein can be useful for having and/or enhancing antifouling activity.

Gear-assembling machine

Gear-mounting machine

Antifouling polymer composite

The current disclosure describes a polymer composite which can comprise a polyurethane and a functionalized polyalkylsiloxane. Polymer composites described herein can be useful for having and/or enhancing antifouling activity.

一种防火花的遥控开关

本实用新型涉及家用电器技术领域，具体涉及一种防火花的遥控开关。包括壳体、静触头、防火花动触头、驱动基座和遥控单元，静触头、防火花动触头、驱动基座和遥控单元安装在壳体内，静触头包括接线柱、绝缘套和引入头，引入头呈圆柱形，引入头第一端与接线柱连接，绝缘套套接在接线柱上并与引入头第一端抵接，接线柱与入户线火线连接，防火花动触头安装在驱动基座上，驱动基座与遥控单元连接。本实用新型的实质性效果是：能够避免开关开断瞬间出现电火花，同时具有调压功能；结构上不易卡顿，维持状态不耗能。

Photorefractive device containing a chromophore-doped polymer layer and its manufacturing method

Adaptive phase shift apparatus and method

The invention discloses an adaptive phase shift method in a multi-carrier system, comprising: generating a group of one or more new phase values for corresponding one or more phase shift carriers, PSCs, based on quantization phase values; calculating and comparing a backward maximum power in an evaluation path with the group of one or more new phase values in one timeslot and a forward maximum power in a working path with current phase values in the timeslot; and adjusting phase of the PSCs based on the group of one or more new phase values if the calculated backward maximum power is less than the calculated forward maximum power. An adaptive phase shift apparatus is also disclosed. With the invention, complexity of the implementation is reduced and a small DPS block resource, low Hardware cost, low power consumption is also achieved.

Adaptive phase shift apparatus and method

The invention discloses an adaptive phase shift method in a multi-carrier system, comprising: generating a group of one or more new phase values for corresponding one or more phase shift carriers, PSCs, based on quantization phase values; calculating and comparing a backward maximum power in an evaluation path with the group of one or more new phase values in one timeslot and a forward maximum power in a working path with current phase values in the timeslot; and adjusting phase of the PSCs based on the group of one or more new phase values if the calculated backward maximum power is less than the calculated forward maximum power. An adaptive phase shift apparatus is also disclosed. With the invention, complexity of the implementation is reduced and a small DPS block resource, low Hardware cost, low power consumption is also achieved.

Electric conduction device for sensitive drum

Electrically-conductive device of photosensitive drum

Electric conduction device for photo-sensitive drum

Electric conduction device for photo-sensitive drum

Pixel circuit, display panel, and display apparatus

Disclosure are a pixel circuit (40), a display panel (1, 10), and a display device (100). The pixel circuit (40) includes a control unit (50), a light-emitting unit (60), and a drive unit (70). The control unit (50) is configured to control both a first light-emitting element (A) of the light-emitting unit (60) and a second light-emitting element (B) of the light-emitting unit (60) to be electrically connected to a first power supply ELVSS to emit light. In this disclosure, the pixel circuit (40) is provided with the first light-emitting element (A) and the second light-emitting element (B). The control unit (50) is configured to control one light-emitting element of the light-emitting unit (60) to emit light, and control the other light-emitting element of the light-emitting unit (60) to receive a second cathode voltage to discharge charges accumulated in the other light-emitting element, so as to prolong the service life of the light-emitting unit (60) and reduce the risk of screen burning.

Automated detection method

An automated detection method comprises steps of: moving at least one panel to a first detection station by a first automatic loading device for an automated lighting detection of the panel; assembling the panel with at least one polarizer and at least one circuit board to obtain a display module and moving the display module to a second detection station by a second automatic loading device for an automated optical detection and an automated lighting detection of the display module; and combining the display module and a backlight module to form a display device and moving the display device to a third detection station by a third automatic loading device for an automated lighting detection of the display device.