Self-protection system for sensor network operating system

The invention relates to a self-protection system of a sensor network operating system. In the invention, TFAD-901 is combined with MicaZ nodes to form an isomerous wireless sensor network, wherein, TFAD-901 nodes distributed in specific places conduct communications with each other in a wireless manner to form the backbone of the network; one TFAD-901 node is connected with one MicaZ node through a serial port; communications are kept among the rest MicaZ nodes in the wireless manner; the MicaZ nodes acquire environmental data, and transmit the acquired data to the MicaZ node connected with TFAD-901; and the environmental data is transmitted to TFAD-901 through the serial port and then to PC through the backbone network. All rules are subjected to the configuration management of a user so that the resource consumption of the system is reduced. The self-protection system conducts necessary control on the access to a core document on specific application scenes, and prevents an unauthorised ...

Method for preparing iron-doped lithium aluminate crystal

The invention provides a method for preparing an iron-doped lithium aluminate crystal, which comprises the following steps of: mixing alumina, lithium carbonate and iron oxide serving as raw materials, pressing to prepare a molded body, and sintering the molded body; and heating the sintered molded body to prepare a melt body, contacting a seed crystal with the melt body, and growing the iron-doped lithium aluminate crystal by using a pulling method. According to the method, the several raw materials are mixed and pressed into the molded body and the large-dimension transparent and complete iron-doped lithium aluminate crystal is prepared by the pulling method. Test results prove that: the iron-doped lithium aluminate crystal prepared by the method has the advantages of higher thermal stability and chemical stability.

Driving mechanism for wire saw

The invention discloses a driving mechanism for a wire saw, which comprises a motor, a flywheel connected with an output end of the motor, a beaded rope sleeved in a wire groove of the flywheel, and an auxiliary wheel driven by the flywheel through the beaded rope, wherein the beaded rope is crossed between the flywheel and the auxiliary wheel. The driving mechanism for the wire saw adopts a structure that the beaded rope is crossed between the flywheel and the auxiliary wheel, so the design can increase a wrap angle of the flywheel and the auxiliary wheel, increase the friction force, and further improve the transmission efficiency of the traction force.

PCR (polymerase chain reaction) synchronous detection kit for staphylococcus aureus enterotoxin A and B genes

The invention discloses a PCR (polymerase chain reaction) synchronous detection primer for staphylococcus aureus enterotoxin A and B genes, a detection kit thereof and a detection method. The nucleotide sequence of the synchronous detection primer is as shown in SEQ (sequence) ID (identity) No. 1 and 2. The invention further provides the PCR detection kit containing the primer. By adopting the detection kit, the staphylococcus aureus enterotoxin A and B in a food can be accurately and sensitively detected, and the lowest detection concentration of DNA (deoxyribonucleic acid) is 3.58ng; furthermore, the detection kit has no cross reaction with other bacteria, and the specificity is good; simultaneously, the pretreatment process of samples is simple, the consumed time is short, a large number of the samples can be detected simultaneously, and the cost is low.

Veneer cutting system

The invention relates to a wood processing device, in particular to a veneer cutting system. The prior veneer cutting machine cuts wood by using a hydraulic pushing cutter, has low production efficiency because a conveying part can be stopped during the cutting, and also raises a higher requirement to the automatic control. The veneer cutting system comprises a conveying part, a cutting part, an output part, a motor and a speed setting controller controlling the rotating speed of the motor, wherein the front end of the outlet end of the conveying part is provided with a cutting platform, the cutting part is positioned above the cutting platform, and the inlet part of the output part is positioned below the cutting platform; the cutting part comprises a square cutter frame and a cutting tool arranged on the square cutter frame; and the motor is connected with a rotating shaft of the square cutter frame by a drive device. The invention changes the hydraulic veneer cutting into the continuous ...

Probiotic microcapsules and preparation method thereof

The invention discloses probiotic microcapsules. The probiotic microcapsules are prepared by taking whey protein as a microcapsule coating material and probiotic as a capsule core, mixing the whey protein and the probiotic and drying the mixture by using spray. The whey protein is mixed with the probiotic by means of the gel forming property of the whey protein, and the mixture is dried by using the spray to form the microcapsules; and therefore the aim of storing the probiotic for a long time is fulfilled and the harm on a thallus caused by high temperature and drying is prevented. Compared with a conventional freeze drying method, the preparation method reduces production cost and is suitable for industrial production.

Analysis method for detecting acid phosphomonoesterase activity in soil

The invention relates to an analysis method for detecting acid phosphomonoesterase activity in soil, which comprises the following steps: 1) weighing a rare soil sample, placing two groups of portions in triangular flasks, adding toluene and buffer solution into the triangular flasks, adding 1ml of substrate p-nitrophenyl phosphate disodium solution into first group of triangular flasks, taking second group of triangular flasks as a sample for contrast, shaking evenly, and performing constant temperature culture after covering a bottle plug; 2) after finishing the culture, adding alkaline tris(hydroxymethyl)aminomethane solution and calcium chloride solution into the first and second groups of triangular flasks to finish reaction and develop, adding substrate solution into the second group, and evenly mixing and filtering the mixture; 3) performing colorimetricassay on an absorbance value A at 410nm by a spectrophotometer; and 4) according to a standard curve, calculating the content of ...

Method for detecting defect of 7 series aluminium alloy forge piece by ultrasonic testing with immersion type probe

The invention relates to a method for detecting defects of 7 series aluminium alloy forge piece by ultrasonic testing with an immersion type probe, in particular to a method for detecting a primary crystal compound defect of the 7 series aluminium alloy forge piece by the ultrasonic testing. The invention aims at solving the following problems that: firstly, a defect detection dead zone is required to be not less than 2mm; and secondly, the defect that the 7 series aluminium alloy forge piece contains primary crystal compound can not be detected in the prior art as the upper surface and the lower surface of forge pieces in some specifications are not parallel or an irregular curved surface exists, a sound wave is refracted or scattered and the received energy is reduced. The method provided by the invention comprises the following steps: firstly, manufacturing a manual damage contrast test piece and regulating the detection sensitivity; and secondly, detecting. The invention has the advantages ...

Anti-root-maggot medicinal organic fertilizer and fertilizing method thereof

The invention discloses an organic fertilizer used as a pesticide to prevent root maggot and an application method thereof. The organic fertilizer used as a pesticide provided by the invention consists of omphalia and organic fertilizer and can be used as ground fertilizer but also as top dressing. When being used as the ground fertilizer, at the beginning of enlargement of garlic bulb, the rate for inhibiting the root maggot reaches 98.5 percent and reaches 78.4 percent in the harvest when being used as the top dressing, and the output of garlic without being harmed by the root maggot is 504 kg per mu (1 mu is approximately equal to 0.0667 hectares). The organic fertilizer used as the pesticide to prevent root maggot, provided by the invention, has easily-obtained raw materials, simple and convenient application method, no toxicity and pollution, with dual functions of fertilizer retaining and insect expelling, can be used not only for preventing root maggot but also for production of ...

Device for adaptively reducing peak-to-average power ratio and method and application thereof

The invention provides a device for adaptively reducing peak-to-average power ratio, comprising a control unit, a carrier N-user data storage unit, a prerotation factor acquiring unit, a phase prerotating unit, a user data rotating unit, a user data merging unit and a peak-to-average power ratio decision unit. The invention also provides a method for adaptively reducing peak-to-average power ratio. The invention utilizes phase prerotation to prerotate each carrier data for certain angle respectively, correlation of data between carriers is reduced, and peak-to-average power ratio after carrier data merging is reduced. The invention also provides application of the device for adaptively reducing peak-to-average power ratio, namely application in TD-SCDMA system.

Method for decreasing OFDM signal peak average rate

The invention relates to OFDM field, particularly relates to a method for decreasing an OFDM signal peak average rate. The method comprises the steps of cutting ridge, transforming time-domain to frequency-domain, correcting and transforming frequency-domain to time-domain, wherein the step of correcting comprises the steps of: (11) separating a data sub-carrying data, a pilot sub-carrying data and an unoccupied sub-carrying data from a limited frequency-domain data, (12) correcting the data sub-carrying data according to a system EVM restriction, (13) repositioning the pilot sub-carrying datainto a data before being limited, and (14) correcting the unoccupied sub-carrying data according to a frequency spectrum template of system. The technical scheme of the invention corrects different sub-carrying data in different ways by respectively correcting the data sub-carrying data, the pilot sub-carrying data and the unoccupied sub-carrying data. The signal peak average rate is decreased and ...

SERVICE PROCESSING METHOD, APPARATUS AND SERVER

The present application provides a service processing method, apparatus and server, and the method includes: when a first user logs on a client device based on a first account, receiving an operation request for requesting a service operation from the first user; according to the first account, searching account binding relationship which has been stored; if a second account of a second user bound with the first account is found, permitting the first user to accomplish the service operation using the second account authority of the second account; after the first user accomplishes the service operation using the second account authority of the second account, updating the second account information of the second account according to the operation result of the service operation. By applying the embodiments of the present application, the first user can accomplish various service operations on the basis of the account authorities of the multiple bound accounts, thus expanding the way of implementing services; and the times of transmission of service data among different accounts can be reduced, thus improving the interactive efficiency of service information.

Analysis method for testing catalase activity in soil

The invention relates to an analytical method for measuring catalase activity in soil, which comprises the following steps 1) weighing out n parts of fresh soil and placing the parts in 100 ml triangular flasks, passivating the catalse by adding sulphuric acid and trichloroacetic acid to control soil, keeping all soil samples in 0 DEG C ice bath for 15 minutes, adding catalase solution to the triangular flasks; mixing and culturing the mixture at the same temperature for 1 hour; 2) passivating the catalse by adding sulphuric acid and trichloroacetic acid to the flasks; 3) shaking all triangular flasks and filtering; 4) preparing a tube containing a titanic sulfate solution for each sample, adding a certain amount of filtrate and distrilled water and mixing until the fluid becomes yellow; 5) detecting absorbance by comparing color on a spectrophotometer; 6) calculating the amount of hydrolyzed catalase. The method has the advantages of 1) simplified steps and reduced uncertainty in the experiment ...

Probiotic microcapsules and preparation method thereof

The invention discloses probiotic microcapsules. The probiotic microcapsules are prepared by taking whey protein as a microcapsule coating material and probiotic as a capsule core, mixing the whey protein and the probiotic and drying the mixture by using spray. The whey protein is mixed with the probiotic by means of the gel forming property of the whey protein, and the mixture is dried by using the spray to form the microcapsules; and therefore the aim of storing the probiotic for a long time is fulfilled and the harm on a thallus caused by high temperature and drying is prevented. Compared with a conventional freeze drying method, the preparation method reduces production cost and is suitable for industrial production.

Incoming call prompt system in telephone communication

The incoming call prompt system includes a telephone exchange incoming call unit, several subscriber terminal incoming call prompt units and links in between to transmit incoming all signal. The incoming call signal is a specific single-frequency signal within the speech frequency band, a frequency shifting key-conntrolled coded signal, or a dual-tone multifrequency coded signal. One of the subscriber terminal incoming call prompt units consists of a call signal detector circuit, a prompt signal generator circuit, a function setter, a power supply circuit, an electrooptical converter device, and an electroacoustic converter device. The telephone exchange incoming call unit consists of a speech encoding/decoding circuit and a subscriber interface circuit.

Novel circulator with magnetic cylinder structure and novel isolator with magnetic cylinder structure

The invention belongs to the field of microwave and radio frequency components, in particular to a microwave and radio frequency ferrite circulator and an isolator. The invention aims at providing a ferrite circulator with low cost and an isolator device structure, and reducing the manufacturing cost of a device while realizing the completely identical performances of an electrical appliance. An upper flat plate, a lower flat plate and a plurality of screws form a magnetic cylinder structure, and the magnetic cylinder structure and other components in the magnetic cylinder further form a magnetic loop, thereby realizing the performances of the circulator and the isolator. The flat plates and the screws are made of low-carbon steel and other materials with high magnetic conductivity, the circulator and the isolator are manufactured by stamping and other processes, the manufacturing process is simple, and the manufacturing cost is low. The attached figure is one specific embodiment of the ...

Method and system for automatically analyzing GPU test result

The invention discloses a method for automatically analyzing test results of a graphic processing unit ('GPU') and a system thereof. Particularly, the embodiment of the invention provides a method, which comprises the following steps: identifying the GPU test results related to the type of a first register; establishing a template file related to the same type of the first register, wherein the template file is configured in advance to store the GPU test results of the first register, and operates the GPU test results; filling the GPU test results in the template file; totalizing the GPU testresults related to the type of the first register to establish common output; and determining a proper register value from a passing range of the register value based on the common output under the condition of no human interference.

Function extension system for portable executive program and method thereof

The invention discloses a function extension system for a portable executive program and a method thereof. The system and the method ensure that the portable executive program can be loaded into an extended file by electrically connecting a portable storage device storing the portable executive program and a portable storage device storing an extended file with a compatible format, ensure the technical means that the function of the portable executive program is extended, and can solve the problem that the portable executive program in the portable storage device fails to be functionally extended, thereby achieving the technical effect of ensuring that the function extension of the portable executive program in the portable storage device has the convenience.

Method and system for measuring shear wave velocity of rock soil

The invention discloses a method and a system for measuring the shear wave velocity of rock soil. The method comprises that: firstly, a vibration source generates shear waves with the frequency of f1 at a time t0; a counter is triggered to begin counting at the time t0+tc, wherein the frequency of the trigger pulse of the counter is f2 and tc is a preset triggered counting delay; a detection signal which is output by a detection probe at a position n in a well hole is subjected to anti-interference processing to obtain square waves which are input to a shear wave receiving and processing circuit and have the output frequency of f1, wherein n is not less than 0; the counter stops counting at the time t1(n) when the shear wave receiving and processing circuit receives the square waves; and the comprehensive shear wave velocity of a travel route between the position n and the vibration source is calculated through the following formula. The method and the system of the invention can effectively ...

Epoxy resin compound and film and substrate made from same

The invention relates to epoxy resin compound which is characterized by comprising component A of epoxy resin and component B of complex epoxy resin hardener. The complex epoxy resin hardener is prepared by mixing polyhenylene methyl phosphonate resin hardener and phenol resin hardener according to a preset proportion so that the film made from the glue solution dipped in the epoxy resin compoundhas good heat resistance, flame resistance and low moisture absorption and can greatly increase the hardening reaction rate.

Adaptive admission controlling method based on measurement for video frequency request system

The adaptive admission controlling method based on measurement for VOD system includes: A. classifying the accesses into different server types according to decoding rate; B. calculating the normal average bandwidth of single flow and probability quantile of the type of service in advance; C. going to F. in case of existing flow in service when the service flow reaches; D. calculating the current probability quantiles of all types and the expectant probability quantile of the type when some new service request reaches; E. admitting if the current probability quantiles of all types are greater than the expectant probability quantile, or rejecting in overload server. The present invention can adapt flexibly the background server capacity in VOD multimedia system and raise the access rate effectively.

Digital photo frame capable of adjusting size of photo

The invention discloses a digital photo frame capable of adjusting the size of a photo, comprising a power supply for supplying power to a digital photo frame, a storage unit, an AV (audio/video) decoding unit and a display unit, wherein the storage unit, the AV decoding unit and the display unit are connected to a microcontroller, the display unit is provided with a display screen, the microcontrollor reads a plurality of photos from the storage unit and then displays the photos on the display screen, and the size of the selected photo is manually adjusted by using a cursor which selects a photo on the display screen; the digital photo frame also comprises a photo size calculating unit and a photo size adjusting unit which are connected with the microprocessor; the photo size calculating unit calculates the sizes and the layout of other unselected photos according to the initial position and the adjusted position of the selected photo; and the photo size adjusting unit automatically adjusts ...

Instant messaging method for realizing interaction

The invention discloses an instant messaging method for realizing interaction, which is used for the two messaging parties to realize interaction of the whereabouts information of any party through respective three-dimensional devices. The whereabouts information refers to the information of the user in the specified ranges around the three-dimensional devices. The method comprises the following steps: sensing the information in the specified ranges by a first three-dimensional device and acquiring the information that the user exists with a signal; converting the acquired signal to an information instruction signal which can be executed by instant messaging software and wakening first instant messaging software; transmitting the information instruction signal to second instant messaging software of the user of the other party by the first instant messaging software; and converting the instruction signal to a signal which can be executed by a second three-dimensional device of the user ...

Synthesis for pyrazole metal salt complex

The invention relates to an organometallic complex, in particular to a preparation method of an organometallic complex that adopts metallic ion as central ion and pyrazoles compounds as ligand. The alcohol (methanol, ethanol, propanol, isopropanol, butanol, isobutanol, tertbutyl alcohol) or the alcohol is added with proportional ketone (acetone, butanone), aether (diethyl ether, ethyl methyl ether), benzene, alkylbenzene (toluene, xylene) and chloroform solvent, meanwhile, the pyrazoles compounds (pyrazole, 3-methylpyrazole, 4-methylpyrazole, 3, 5-dimethylpyrazole, 3, 4-dimethylpyrazole, 4-chlorine-3-methylpyrazole, 4-chlorine-3, 5-dimethylpyrazole) and metal-salts (the sulphate, nitrate and halide salts of ferrous iron, cobalt, nickel, copper, zinc, manganese) are used as raw material and react for 1-48h under 0-100 DEG C to synthesize pyrazoles and organometallic complex. The product can be applicable in medical intermediate, nitrification inhibitor or crystal research. The invention ...

6-AMINO QUINAZOLINE OR 3-CYANO QUINOLINE DERIVATIVES, PREPARATION METHODS AND PHARMACEUTICAL USES THEREOF

Soil hydroxyl amine reductase activity detection coloration process

The invention relates to a color development method for detecting the soil hydroxylamine reductase activity, in particular to a method that the extracting solution after the soil culture is added in with the ferric iron salt solution and the Alfa-Alfa'bipyridyl solution and has the color developed in the subacidity environment, and then the hydroxylamine concentration of the extracting solution are colorimetric-determined by a spectrophotometric method. The hydroxylamine concentration of the culture solution is acquired by comparing the extinction value of the extracting solution with the standard curve; as a result, the soil hydroxylamine reductase activity is worked out. The color reaction is carried out at the normal temperature, the acquired solution shows orange, and the color comparison wave length is 520nm. If the color comparison can not be completed in 40 minutes, the masking agent should be added in order to prevent the side reaction. Compared with the traditional color development ...

Measuring apparatus for assessing performance of antisludging agent based on light transmittance ratio method

This invention relates to a measurement mechanism to assess the performance of anti-encrustation agent based on luminousness method, equipped with a darkroom, titration solution container, constant-current dosing pump, magnetic stirring apparatus, electric heating rods, measuring pool, Na2CO3 in the titration container was pumped into measuring pool by constant-current dosing pump, in the measuring pool was CaCl2 and anti-encrustation agent to be measured, through photoelectric sensor and its switching circuit to make a transducer, computer and supporting software to realize the luminousness automatic checkout system, the amount of agents, magnetic stir, solution temperature automatic checkout system; in the beginning, the luminousness of solution was invariant, then suddenly dropped when the titration was added to a certain amount, the computer record corresponding volume of titration to assess the performance of different anti-encrustation agent under the same condition. This device was ...

Large volume tank container

The invention relates to a high volume tank container, which comprises a framework, a tank body arranged in the framework, at least one reinforcing ring arranged on the periphery of the tank body and used for reinforcing the intensity of the tank body to better resist the external pressure; wherein, the reinforcing ring is broken in the position closed to the central line on the side of the tank body, and a wedge-shaped reinforcing ring is arranged at the broken end part of the reinforcing ring and connected with the tank on the both sides of the central line on the side of the tank body. A discharging system is installed at the bottom part at the rear end of the tank body, the lower beam corresponding to the position of the discharging system is disconnected into two sections, and a discharging bottom board is connected at the lower end of each lower beam in the disconnecting position. Simultaneously, the central line of the tank body is arranged lower than that of the framework, therefore ...

Magneto- compass deviation automatic correction method and its device

The invention relates to a magnetic compass deviation automation adjustment method and the equipment, the method comprises the following processing steps: a. obtaining latitude and longitude data andaltitude then and there through typing or GPS automatically searching; b. transmitting the latitude and longitude data and the altitude to celestial true position and magnetic deviation computing units, then computing the celestial true position and the magnetic deviation, and computing the celestial magnetic position according to that celestial magnetic position= celestial true position+ magneticdeviation; c. collecting video units and transmitting the image data to freeboard angle calculation units, then computing the freeboard angle; computing celestial compass azimuth according to that celestial compass azimuth= freeboard angle+ compass course and combined compass course; d. computing compass deviation according to that compass deviation= celestial magnetic position- celestial compassazimuth ...

SERVICE PROCESSING METHOD, APPARATUS AND SERVER

The present application provides a service processing method, apparatus and server, and the method includes: when a first user logs on a client device based on a first account, receiving an operation request for requesting a service operation from the first user; according to the first account, searching account binding relationship which has been stored; if a second account of a second user bound with the first account is found, permitting the first user to accomplish the service operation using the second account authority of the second account; after the first user accomplishes the service operation using the second account authority of the second account, updating the second account information of the second account according to the operation result of the service operation. By applying the embodiments of the present application, the first user can accomplish various service operations on the basis of the account authorities of the multiple bound accounts, thus expanding the way of implementing services; and the times of transmission of service data among different accounts can be reduced, thus improving the interactive efficiency of service information.

Efficient organic fertilizer and preparation method

The invention relates to an organic fertilizer, and in particular relates to an efficient organic fertilizer and a preparation method thereof. The fertilizer comprises the following concrete components in parts by weight on dry basis: 10-25 parts of livestock manure, 60-70 parts of cornstalk, 1-3 parts of urease inhibitor N-(n-butyl)triophosphoric triamide (NBPT), 10-20 parts of turf, 0-3 parts of trace elements and 0-1 part of magnesite. The principle of the invention is as follows: the ratio of carbon to nitrogen in the organic material is controlled, the urease activity is controlled, the ammonia ions are stabilized, the utilization ratio of nitrogen is improved and the ratio of nitrogen to phosphorous to potassium is kept relatively stable in the soil, thus achieving the application effect of balanced fertilization. The fertilizer has the following advantages: the utilization ratio of fertilizer nutrients can be remarkably improved; various nutrients essential to growth of plants can ...

Method for making composite structure water heater internal chamber

A method for manufacturing the composite internal container of water heater from metal, binder and plastics includes shaping metallic container, pretreating, applying binder, rolling, applying plastics, rolling, cooling and discharge. Its advantages are high adhesion of anticorrosion plastic layer on metallic container, high anticorrosion effect and long service life.

Exchange vehicle body tank container

The invention relates to an exchange vehicle tank container; the exchange vehicle tank container consists of a tank body, a front end frame and a rear end frame which are respectively arranged at the The invention relates to an exchange vehicle tank container; the exchange vehicle tank container consists of a tank body, a front end frame and a rear end frame which are respectively arranged at thefront end and the rear end of the tank body, as well as a plurality of reinforcing rings which are arranged on the outer surface of the tank body; both the front end frame and the rear end frame are pfront end and the rear end of the tank body, as well as a plurality of reinforcing rings which are arranged on the outer surface of the tank body; both the front end frame and the rear end frame are provided with a top corner fitting and a bottom corner fitting, wherein both the frond end frame and the rear end frame are provided with at least one auxiliary supporting pipe; and the auxiliary supporovided ...

Method for realizing video requesting system based on protocol cashe

Nitration inhibitor and its application in stabile fertilizer

The present invention relates to stabilized fertilizer, and is especially the application of one nitrification inhibitor and its application in stabilized fertilizer. The nitrification inhibitor is 1-hydroxymethyl-3, 5-dimethyl pyrazole, and the stabilized fertilizer consists of ammonium nitrogen fertilizer and nitrification inhibitor 1-hydroxymethyl-3, 5-dimethyl pyrazole in 0.1-10 %. The compound 1-hydroxymethyl-3, 5-dimethyl pyrazole as nitrification inhibitor has the advantages of high nitrification inhibiting efficiency, low consumption, less flow loss, low toxicity, less environmental pollution, etc. The stabilized fertilizer can regulate the oxidation process of the fertilizer in soil, maintain high ammonium nitrogen content for long time, raise nitrogen fertilizer utilizing rate and reach other positive effects.

Automobile sash bilateral fastening structure

The present invention proposes one kind of double-side window frame clamping structure for automobile door. The double-side window frame clamping structure includes one U-shaped window frame, one outer board and one inner board. The inner board has one side lap jointed and dot welded to the window frame, and the outer board has one side lap jointed to the other side of the inner board and one other side lap jointed to the other side of the window frame. The two sides of the outer board are clamped inwards so as to form double clamped sealing structure. Compared with traditional single clamping structure, the present invention has the advantages of simple technological process, high production efficiency, raised sealing performance, improved waterproof performance, etc.

All directional multifunctional liquid-spraying rod

Method for decreasing OFDM signal peak average rate

The invention relates to OFDM field, particularly relates to a method for decreasing an OFDM signal peak average rate. The method comprises the steps of cutting ridge, transforming time-domain to frequency-domain, correcting and transforming frequency-domain to time-domain, wherein the step of correcting comprises the steps of: (11) separating a data sub-carrying data, a pilot sub-carrying data and an unoccupied sub-carrying data from a limited frequency-domain data, (12) correcting the data sub-carrying data according to a system EVM restriction, (13) repositioning the pilot sub-carrying data into a data before being limited, and (14) correcting the unoccupied sub-carrying data according to a frequency spectrum template of system. The technical scheme of the invention corrects different sub-carrying data in different ways by respectively correcting the data sub-carrying data, the pilot sub-carrying data and the unoccupied sub-carrying data. The signal peak average rate is decreased and ...

Veneer cutting system

The invention relates to a wood processing device, in particular to a veneer cutting system. The prior veneer cutting machine cuts wood by using a hydraulic pushing cutter, has low production efficiency because a conveying part can be stopped during the cutting, and also raises a higher requirement to the automatic control. The veneer cutting system comprises a conveying part, a cutting part, an output part, a motor and a speed setting controller controlling the rotating speed of the motor, wherein the front end of the outlet end of the conveying part is provided with a cutting platform, the cutting part is positioned above the cutting platform, and the inlet part of the output part is positioned below the cutting platform; the cutting part comprises a square cutter frame and a cutting tool arranged on the square cutter frame; and the motor is connected with a rotating shaft of the square cutter frame by a drive device. The invention changes the hydraulic veneer cutting into the continuous ...

Biological chip for detecting control of related gene expression by pharmaceutical active component

The present invention discloses one kind of biochip for detecting the regulation and control of active medicine components on the expression of relevant genes. On one glass chip, one silicon chip or polymer chip, are fixed gene DNA probes for detecting PCNA, CyclinA1, CyclinB1, CyclinC, CyclinD1, CyclinD1, CyclinE1, CyclinG1, Cdk4, Cdk2, Cdc2, p16, p21, p53, E2F1, Chk1, Chk2, ATM, DNA-PK, DNA-Topo I, hTERT, Bcl-2, Trail, Mcl-1, Bax, Bak1, Brca1, Caspase3, Erk-3, Jnk, p38, Cdc25A, Fgd1, Rac and VEGF. The present invention can detect the regulation and control of active medicine components on the expression of relevant genes, and has the features of real-time, high sensitivity, high accuracy, high efficiency, etc.

Halogen-free resin composite and glue sheet and substrate which are prepared from same

The invention relates to a halogen-free resin composite and a glue sheet and a substrate which are prepared from the same. The halogen-free resin composite comprises epoxy resin serving as a component A, a hardening agent serving as a component B, a fire retardant serving as a component C, an accelerating agent serving as a component D and a stuffing serving as a component E, wherein the epoxy resin consists of bisphenol A phenolic epoxy resin, first phosphorus-containing phenolic epoxy resin and second phosphorus-containing phenolic epoxy resin; and the hardening agent is prepared by mixing benzoxazine resin and a phenolic resin hardening agent. Therefore the glue sheet formed by being immersed into glue solution of the halogen-free resin composite has the excellent heat resistance, flame resistance, low hygroscopicity, high reaction rate and toughness.

Nitration inhibitor and application thereof

The invention relates to a stable fertilizer, in particular to a nitration inhibitor and an application of the nitration inhibitor in the stable fertilizers. The nitration inhibitor is 4-Chloro-3-methyl pyrazole; the stable fertilizer is prepared by adding ammonium nitrogen fertilizer or the nitration inhibitor 4-Chloro-3-methyl pyrazole (CLMP) that has net N content of 0.1 to 5.0 percent. CLMP, as the nitration inhibitor, has the advantages of high inhibiting efficiency, little amount required, invulnerability to leaching loss with water, low toxicity and light environment pollution, etc. Oxidization of the nitrogenous fertilizer can be controlled after nitrogenous fertilizer with the compound is distributed in soil, thereby retaining high content of NH4<+>-N in the soil and reducing accumulation of NO3<->-N in the soil, thus further reducing leaching loss of N element from the soil and denitrification loss, lengthening fertilizer efficiency of N fertilizer, improving utilization rate ...

Power line protection switching device

The invention discloses a power line protection switching device which relates to the technical field of line protecting devices. The device is provided with a protecting device, a current switching loop, a voltage switching loop, a control power supply and an on-off loop of a switch, wherein the protecting device is used for automatically recognizing whether a line I and a line II needing protection have failure or not; the current switching loop is connected with the line I, the line II and the protecting device; the voltage switching loop is connected with the line I, the line II and the protecting device; and the control power supply is connected with the line I, the line II and the protecting device. The invention has the advantages of saving the equipment investment of a transformer substation and promoting a running way of a power grid to be more convenient and flexible.

Method for preparing iso-octyl palmitate

The invention relates to a method for preparing iso-octyl palmitate shown in the formula (III), which comprises the following steps: in the nitrogen atmosphere, making palmitic acid shown in the formula (I) and isooctyl alcohol shown in the formula (II) react with a solid-acid catalyst for 2 to 6 hours at a temperature of between 100 and 180 DEG C; using a water segregator to add a water-carrying agent to carry out water carrying in the reaction process; and carrying out post-treatment on reaction solution after the reaction is finished to obtain the iso-octyl palmitate shown in the formula (III), wherein an amount-of-substance ratio of the total charging of the palmitic acid and the isooctyl alcohol is 1:1-4, the solid-acid catalyst is stannous oxalate, SO42-/ZrO2-Al2O3 or SO42-/TiO2-SnO2-Al2O3, and the usage of the solid-acid catalyst is 1 to 5 percent of the total charging mass of the palmitic acid and the isooctyl alcohol. The invention has the advantages of mild reaction condition, ...

Automatic analysis method applied to directional response of underwater sound transducer

The invention discloses an automatic analysis method applied to directional response of an underwater sound transducer, reasonableness check, data smoothing and parameter analysis are automatically performed by a computer on the directional response data, obtained from measurement, of the underwater sound transducer, so as to obtain directional response parameters, such as main lobe position, side lobe position, side lobe level, 3-decibel decreasing beam width, directional response fluctuation and the like, of the underwater sound transducer, no manual computation is required, the analysis speed is high, the analysis precision is high, therefore, the efficiency of measuring and calibrating the directional parameters of the underwater sound transducer is further enhanced.

Cement type surface simple drawing mold

The simple drawing mold with cement mold surface includes one lower mold, one mold pin, one clamping ring, one upper mold, one cement mold surface fixing rod, one upper mold lining, and one cement mold surface. The lower mold and the clamping ring form one steel mold structure with steel mold surface; the upper mold is one steel mold structure with cement mold surface; the cement mold surface has one upper mold lining embedded during depositing cement; and the lower mold has corresponding mold surface hole with close fitted mold pin. The present invention has the following obvious advantages: saving in material, low numerically controlled machining cost, low cost and short making period.

Armored electric heater with integration of self temperature control and heating

The invention relates to an armored electric heater with integration of self temperature control and heating, which comprises a metal tube 3, an insulation filler 2 and two electric heating wires 1 arranged in the insulation filler 2. One end of the two electric heating wires is connected in the insulation filler, and the other ends of the two electric heating wires are respectively connected with a lead wire 4 which is led out of the metal tube. The armored electric heater is characterized by simultaneously comprising two thermocouple wires 6 arranged in the insulation filler in parallel, one end of the two thermocouple wires is connected through welding in the insulation filler, and the other ends of the two thermocouple wires are led out of the metal tube. The invention has the advantages of reasonable design and compact structure. Since the thermocouple and the heating component are integrated as a whole through the armor manufacturing process, the heating component has a novel temperature ...

Method and device for reducing OFDM signal peak-to-average ratio

The invention relates to a method and a device for reducing OFDM signal peak-to-average ratio, in particular to the extraction of sequences to be modified. The invention aims at reducing signal processing computation workload for reducing the OFDM signal peak-to-average ratio and provides a method for reducing the OFDM signal peak-to-average ratio; and in the repetitive operation of the method, the difference of the time domain signals before and after preclipping is extracted as the sequence to be modified, and the difference of the time domain signal to be iterated in the repetitive operation and the frequency domain-time domain transform result of the modified sequence of the repetitive operation is taken to obtain the amplitude limiting result.

Rotating telescopic vehicle measuring apparatus

Mold for flanging upward hole

The invention relates to a die used for upward hole flanging; the die comprises a lower die seat and an upper die seat; a guiding column which is arranged on the lower die seat is matched with a guiding sleeve which is arranged on the upper die seat; the die of the invention is characterized in that a direction converter is matched with a shaft and connected on a support saddle which is fixed on the lower die seat; a polyurethane spring is arranged between the direction converter and the support saddle; the direction converter can rotate correspondingly to the shaft; a hole-flanging convex die is arranged inside a convex die guiding block and sheathed on a secondary pushing pin (20); a hole-flanging concave die is connected with the upper die seat by a nitrogen spring; a stripping attachment is arranged on the hole-flanging concave die and connected with the convex die guiding block; a pushing block is connected on the upper die seat; a shaping cutter block is arranged on the upper die ...

Wireless sensor network system and method for processing data

The invention discloses a wireless sensor network system and a method thereof for processing data. The wireless sensor network comprises a sensor node, a strong sensor node, a data collection server (sink) interacting with the sensor node in the wireless manner, and a user end interacting with the server through a wired network or a wireless network. The system further comprises a management system which is constructed on the basis of middleware and used for conducting the corresponding calling of various functions of a sensor, and performs the functions of shielding bottom layer implementation and provides a unified interface for the upper layer. The method for processing the data of the system comprises the followings steps: (1) the wireless sensor network is configured and operated; (2) an application program conducts corresponding wireless sensor network operations, including a data task, a software update task, and a power management task, through the management system constructed ...

Sheet positioning device

The invention relates to a sheet positioning device, which consists mainly of a pedestal, a stanchion, an extension spring, a material supporting block and a limit pin, wherein the stanchion is fixedon the pedestal, the material supporting block is hinged to the stanchion via a pin shaft, one end of the extension spring is fixed on the pedestal while the other end thereof is fixed at the rear endof the material supporting block, and the limit pin mounted on the stanchion is located right above the front part of the material supporting block. The sheet positioning device enables the sheet tobe positioned reliably on a mold with parts at a horizontal level, guaranteeing the qualities of the parts that are formed by punching, improving the qualification rate of the punched parts with simple structure, reliable positioning of the parts and convenient operation.

Base band demodulating chip circuit based on orthogonal frequency division multiplexing

The invention discloses a band base chip based on orthogonal frequency division multiplexing (OFDM), a merge module and a mixer module are added at an internal input interface of the existing band base chip, after being converted into digital signal by an analogue digital converter, the signal of a tuner uniforms input signals into one-way base band signals which transmits cophase components and orthogonal components alternately by the merge module and the mixer module in turn. In the invention, the band base chip based on OFDM has the advantages that the base band chip can adapt to the interfaces of various tuners and analogue digital converters, and the flexibility of the base band chip is improved.

Method for terminating copolymerization between conjugated diene and vinyl aromatic hydrocarbon

The invention discloses a method for terminating copolymerization between conjugated diene and vinyl aromatic hydrocarbon. The method comprises the following steps: (a) polymerizing monovinyl aromatic hydrocarbon and conjugated diene until the monovinyl aromatic hydrocarbon and the conjugated diene are basically and completely converted in a reactive inert solvent in the presence of an organic lithium initiator; and (b) adding a terminating agent and an optional anti-aging agent, wherein the terminating agent is selected from R3SiX (I) shown as a formula (I), each R is independently C1-C8 alkyl, C3-C8 naphthenic base, C3-C8 naphthenic base-C1-C8 alkyl, C1-C8 alkyl-C3-C8 naphthenic base, C6-C10 aryl, C6-C10 aryl-C1-C8 alkyl or C1-C8 alkyl-C6-C10 aryl, preferentially C1-C6 alkyl, cyclopentyl, cyclohexyl, phenyl, naphthyl, cresyl, benzyl or phenethyl; X is halogen, preferentially chlorine or bromine, more preferentially chlorine.

Analytical method for detecting nitrate reductase activity in soil

The invention relates to an analysis method of testing the nitrate reductase activity in the soil, which includes the following steps: 1) n dried and screened soil samples are weighed, adopted and put into test tubes; 2, 4-dinitrophenol solution is added into the test tubes and mixed to be even; and then substrate potassium nitrate solution is added into n-1 test tubes and the same amount of distilled water is added into the other one test tube for sample comparison; glucose solution is respectively added into the test tubes, which is then supplemented by distilled water to be 5 to 10ml and cultivated under constant temperature; 2) the distilled water is added to supplement to 50 to 100ml; 3) potash alum saturated solution is added in to be oscillated and filtered; 4)the distilled water and a chromogenic reagent are added into the filtrate, and a light absorption value A is determined under 520nm; 5) the content of nitrite in the samples is calculated. The analysis method has the advantages ...

Anti-root-maggot medicinal organic fertilizer and fertilizing method thereof

The invention discloses a medicinal organic fertilizer which prevents root maggots and an application method thereof. The medicinal organic fertilizer provided by the invention contains fructus quisqualis and organic fertilizer and can be applied not only as ground fertilizer but also top dressing. The medicinal organic fertilizer which is provided by the invention and applied as ground fertilizer can inhibit root maggots by 100 percent at the first expanding stage of garlic bulb and can 71.5 percent inhibit the root maggots by 71.5 percent during harvest when applied as the top dressing and the output of garlic which is not damaged by root maggots is 458kg per mu. The raw materials of the medicinal organic fertilizer which prevents root maggots is easy to obtain with a simple application method, is non-toxic and harmless, does not pollute the environment, has dual functions of fertilizer conservation and deworming, can be not only applied to preventing garlic from root maggots, but also ...

Query log-based database statistic data histogram generation method

The invention provides a query log-based database statistic data histogram generation method, which comprises the following steps of: 1) extracting a query set from a database query log, making query of each time corresponding to an attribute, and forming an array by using left and right boundary values of an attribute set; 2) sequencing the array, and generating basic intervals consisting of adjacent dotted pairs; 3) calculating Cartesian products of the intervals on different attributes to form cubes; 4) obtaining density values of the cubes according to a result row number obtained by the query of each time and the Cartesian products of the cubes; and 5) generating a histogram according to the density values of the cubes. The method provided by the invention is used for generating the histogram based on the database query log, and solves the problems that a conventional database system generates the histogram by scanning raw data to cause high cost and that the conventional method for ...

Apparatus for making dry cheese

Environmental-friendly heath-preserving milk and preparation method thereof

The invention relates to environmental-friendly heath-preserving milk which comprises the following components in percentage by weight: 0.5-20% of raw materials of environmental-friendly food, 0.01-8% of sweet accessories, 0.1-0.5% of stabilizers, 75-85% of milk, and the balance of water (complemented to 100%). According to the invention, through adding the raw materials of Chinese traditional green heath-preserving food into milk, and organically combining a traditional food color heath-preserving concept with the milk, a milk product which both contains the rich nutrition of the milk and has the effect of traditional five-element five-color heath preservation is produced, thereby providing a nutritive and health heath-preserving milk product for consumers.

Bus route and station adjusting method based on rail transit and bus integration

The invention discloses a bus route and station adjusting method based on rail transit and bus integration, which comprises the following steps of: 1) summarizing typical route and station problems, and building a typical conventional bus route problem scene set and a typical station problem scene set; 2) building a conventional bus route optimization method set and a conventional bus station optimization method set aiming at the typical conventional route problems and the typical station problems; 3) observing the route problems and the station problems after the urban rail transit is built and before the conventional bus routes are adjusted, and building a route problem scene set and a station problem scene set; and 4) sequentially contrasting problem scenes in the typical conventional bus route problem scene set and the typical station problem scene set with the scenes in the route problem scene set and the station problem scene set to adjust the conventional bus routes and the conventional ...

Halogen-free bonding film and resin used for same

The invention relates to a halogen-free resin compound. The compound comprises phosphorus-containing halogen-free epoxide resins, copolyester modified by an amido formic acid ester, a hardener, a filling agent, a surfactant and a solvent. The invention also relates to a halogen-free bonding film which comprises glass fiber cloth and a halogen-free resin layer, wherein the halogen-free resin layeris distributed on the glass fiber cloth and the halogen-free resin layer is provided with the halogen-free resin compounds.

Yellow health-preserving milk and preparation method thereof

The invention relates to yellow health-preserving milk comprising the following components in percentage by weight: 0.5%-20% of yellow food raw materials, 0.01%-8% of sweet auxiliary materials, 0.1%-0.5% of stabilizing agents, 75%-85% of milk and water complemented to 100%. The milk which not only has the rich nutrition of the milk but also has the traditional five-element five-color health preservation is produced by adding raw materials of the Chinese traditional yellow health-preserving food to the milk and organically combining the traditional food color health-preserving concept with themilk, thereby providing a nutrient and healthy health-preserving milk product for consumers.

Self-service copying machine

A self-service copying machine comprises a main control system (1), a connection system (2), a copying system (3), a settlement system (4), a network system (5), a network server (6) and a casing (7). The self-service copying machine finishes self-service settlement through the settlement system (4) and completes all tasks by simulating human keystroke operations. The function of each component of the connection system (2) is mainly to acquire various information of the copying machine and to simulate human operations to give various instructions including copying instructions and obtaining fault information. The network system (5) can exchange information with the network server (6) and an administrator through the Ethernet (wired) and GPRS (wireless), send operation information of the self-service copying machine to the administrator in time, and provide timely and reliable services to users. Through the mode of physical keystroke simulation, the system can avoid numerous complicated ...

Anti-root-maggot medicinal organic fertilizer and fertilizing method thereof

The invention discloses an organic fertilizer used as a pesticide to prevent root maggot and an application method thereof. The organic fertilizer used as a pesticide provided by the invention consists of omphalia and organic fertilizer and can be used as ground fertilizer but also as top dressing. When being used as the ground fertilizer, at the beginning of enlargement of garlic bulb, the rate for inhibiting the root maggot reaches 98.5 percent and reaches 78.4 percent in the harvest when being used as the top dressing, and the output of garlic without being harmed by the root maggot is 504kg per mu (1 mu is approximately equal to 0.0667 hectares). The organic fertilizer used as the pesticide to prevent root maggot, provided by the invention, has easily-obtained raw materials, simple and convenient application method, no toxicity and pollution, with dual functions of fertilizer retaining and insect expelling, can be used not only for preventing root maggot but also for production of garlic ...

Analyzing method for detecting activity of soil xylanase

The invention relates to an analyzing method for detecting activity of soil xylanase, which comprises the following steps: firstly, weighting n sieved air dry soil samples into n thick test tubes, adding acetic acid buffer solution into each test tube, oscillating by a vortex oscillator, getting soil suspension into 96 micropore plates (occupies n micropores) under the oscillation condition, adding 4-MUB-7-Beta-D-cellobioside substrate solution into n-1 holes, and adding water with equal quantity into the other one hole so as to be used as non-substrate contrast, adding substrate solution with equal quantity and water with equal quantity into the (n+1)th hole so as to be used as soli-free contrast, oscillating and culturing under constant temperature; secondly, adding NaOH into the micropore plates to terminate the reaction after the culture is finished; thirdly, performing the fluorimetric determination to resultant of reaction by a multifunctional microplate reader; and fourthly, calculating ...

Method for implementing authentication resynchronization and network device

The embodiment of the invention discloses a method for implementing authentication resynchronization. The method comprises the following steps: receiving an authentication resynchronization message; acquiring a sequence number of a mobile terminal from the returned authentication resynchronization message if a resynchronization authentication code in the authentication resynchronization message is verified to be different from a resynchronization authentication code at a network side; generating a group of authentication quintuple according to the sequence number, and sending the authentication quintuple for authentication. Accordingly, the embodiment of the invention further discloses a network device. The method and the device can avoid authentication failure caused by inconsistent AMFs.

Anti-root-maggot medicinal organic fertilizer and fertilizing method thereof

The invention discloses an organic fertilizer used as a pesticide to prevent root maggot and an application method thereof. The organic fertilizer used as a pesticide provided by the invention consists of walnut bark and organic fertilizer and can be used as ground fertilizer but also as top dressing. At the beginning of enlargement of garlic bulb (7 to 8 leaves), the rate for inhibiting the root maggot reaches 99.4 percent and reaches 78.2 percent in the harvest, and the output of fresh garlic without being harmed by the root maggot is 491 kg per mu (1 mu is approximately equal to 0.0667 hectares). The organic fertilizer used as the pesticide to prevent root maggot, provided by the invention, has easily-obtained raw materials, simple and convenient application method, no toxicity and pollution, with dual functions of fertilizer retaining and insect expelling, can be used not only for preventing root maggot but also for production of garlic green products and organic products so as to obtain ...

Method and device for reducing peak-to-average ratio of OFDM signal

The invention relates to a method and a device for reducing the peak-to-average ratio of an OFDM signal, in particular to the selection of amplitude limiting ratio parameters and EVM constraint parameters in the method. Aiming to solve the problem that the amplitude limiting ratio parameters and the EVM constraint parameters which are used in the operation for reducing the peak-to-average ratio are not adapted to real-time change, the invention provides the method and the device for reducing the peak-to-average ratio of an OFDM signal, wherein the method comprises the following steps: settinga plurality of amplitude limiting ratio-EVM constraint parameter combinations when a system condition is judged to meet a preset real-time change condition; as for each parameter combination of the amplitude limiting ratio-EVM constraint parameter combinations, detecting the peak-to-average ratio and error rate which are obtained by using the parameter combination to carry out the operation reducing ...

Mouse apparatus having embedded virus-scanning software and virus-scanning method thereof

The invention relates to a mouse device with built-in scan software and a scanning method thereof, aiming to resolve the problem that a computer's disk is unable to execute applications while being affected by virus. By the mouse device with build-in scan software, when a switching unit is switched to a first place, the invention starts up a control module to connect to a computer through a connection port and executes virus scanning to the computer via general mouse operations, thereby recovering the affected computer to normally execute the applications, and achieving the convenience for recovery work.

Modification lactobacillus helveticus for accelerating maturation of cheddar cheese

The invention provides modification lactobacillus helveticus for accelerating maturation of cheddar cheese, which is prepared in the following method: lactobacillus helveticus is cultured under the high-density condition as the starting bacterial strain and is then treated under heat stress for 5-100 seconds at the temperature below 50-80 DEG C. Experimental results show that the modification lactobacillus helveticus can significantly accelerate the maturation of cheddar cheese, reduce the maturation period of the cheddar cheese to 2 months, and maintains the original features and flavor of the cheddar cheese in quality and taste.

Indirect air cooling method and system for working medium adopting parallel-connection positive and reverse refrigeration cycle

The invention discloses an indirect air cooling method and a system with the working fluid of parallel-connected obverse and inverse refrigeration cycles. Based on the phase transition in the working fluid cooling process, a double-phase transition heat exchanger and a single-phase transition heat exchanger are respectively coupled with an obverse refrigeration cycle and an inverse refrigeration cycle which are connected in parallel; the saturated gaseous refrigerant from the phase-transition heat exchangers is compressed, boosted and then sent to an air-cooled radiator for exothermic condensation, then the condensed refrigerant enters a liquid storage tank and is decompressed through a throttle valve and sent to the phase-transition heat exchangers so as to complete the obverse refrigeration cycle; or the saturated gaseous refrigerant from the phase-transition heat exchangers is throttled and decompressed through a thermal expansion valve and then sent to the air-cooled radiator and the ...

Large volume tank container

The invention relates to a high volume tank container, which comprises a framework, a tank body arranged in the framework, at least one reinforcing ring arranged on the periphery of the tank body and used for reinforcing the intensity of the tank body to better resist the external pressure; wherein, the reinforcing ring is broken in the position closed to the central line on the side of the tank body, and a wedge-shaped reinforcing ring is arranged at the broken end part of the reinforcing ring and connected with the tank on the both sides of the central line on the side of the tank body. A discharging system is installed at the bottom part at the rear end of the tank body, the lower beam corresponding to the position of the discharging system is disconnected into two sections, and a discharging bottom board is connected at the lower end of each lower beam in the disconnecting position. Simultaneously, the central line of the tank body is arranged lower than that of the framework, therefore ...

Selenium-enriched fertile solution and application method for selenium-enriched agricultural product production

Production technology of compound long active urea and its special equipment

A process and special equipment for preparing long-acting compound urea by the full circulation made features that the composite inhibitor is added to water, urine, or fused urea after flash evaporation and before coming in liquid tank, or after segment-2 evaporating separation and before granulating. Its advantages are durable fertility and high utilization rate of nitrogen.

Salty yoghourt capable of strengthening Fe, Zn and Ca and processing method thereof

The invention takes fresh milk or reconstituted milk as a main material, does not add any sweetener, such as cane sugar, fructose, glucose and the like but adds Na, Fe, ZN and Ca which are easy to absorb to obtain salty yoghourt capable of strengthening Fe, Zn and Ca. The invention aims to change the sour and sweet mouth feel of yoghourt and develops a fermented sugarless low-sodium dairy productwhich has bland taste, is favourable for the tooth health of youngsters and cardiovascuIar health of middle-aged and elderly people.

Method for detecting content of acetohrdroxamic acid (AHA) in soil

The invention discloses a method for detecting the content of acetohrdroxamic acid (AHA) in soil. The method comprises: the AHA in the soil is extracted by adding water and vibrating; under the acid condition, the AHA and ferric ions from a red compound, the amount of the content is in proportion to the depth of color; and on the basis, color comparison at a 422-nm position is carried out by utilizing spectrophotometry to measure the absorbance, and further the content of the AHA in the soil is calculated. The method has the advantages that 1) the operating steps are simplified; 2) the accuracy is high, and the operation is easy; 3) the result is stable and reliable, and the repeatability is good; and 4) the selectivity is good and the speed is high.

Analysis method for testing soil denitrification enzyme liveness

The invention relates to an analysis method of detecting the activity of denitrification enzyme in soil, which is carried out as follows: 1) n portions of air-dried soil sample screened are weighed and put into the corresponding test tubes, potassium nitrate solution of substrate is added into n-1 test tubes and the distilled water with the same volume is added into the remaining one test tube for sample check; then glucose solution is respectively added into the test tubes and added with the distilled water to 15 to 20 mililiter, the test tubes are shaken evenly and covered with plugs for constant temperature culture; 2) the culture solution is centrifuged about 20 minutes at 4000 revolution per minute; 3) absorbance A220 and A275 are determined by using ultraviolet spectrophotometry; 4) the concentration of nitrate is obtained by using the corrected absorbance A which is calculated with the formula A=A220-A275. The analysis method of detecting the activity of denitrification enzyme in ...

Indirect air cooling method and system for working medium adopting parallel-connection positive and reverse refrigeration cycle

The invention discloses an indirect air cooling method and a system with the working fluid of parallel-connected obverse and inverse refrigeration cycles. Based on the phase transition in the working fluid cooling process, a double-phase transition heat exchanger and a single-phase transition heat exchanger are respectively coupled with an obverse refrigeration cycle and an inverse refrigeration cycle which are connected in parallel; the saturated gaseous refrigerant from the phase-transition heat exchangers is compressed, boosted and then sent to an air-cooled radiator for exothermic condensation, then the condensed refrigerant enters a liquid storage tank and is decompressed through a throttle valve and sent to the phase-transition heat exchangers so as to complete the obverse refrigeration cycle; or the saturated gaseous refrigerant from the phase-transition heat exchangers is throttled and decompressed through a thermal expansion valve and then sent to the air-cooled radiator and the ...

Manufacturing technique and method for refining petroleum aqueous emulsion

The invention relates to a production process of refined petroleum emulsion in water and belongs to the field of pesticide manufacturing process. The refined petroleum emulsion in water is made from refined petroleum, film-forming agent, emulsifiers, plant nutrients, defoaming agent, stabilizers, antifreezing agent and deionized water, by uniform dispersion using a high-speed shear mixing emulsifier. The refined petroleum emulsion is innoxious and non-irritant or low-toxic or low-irritant to animals and human beings, is harmless to crops, has environmental affinity, enhances the resistance of crops, and can promote the growth of crops. The refined petroleum emulsion can kill main insect pests, regulate the growth of crops, enhance resistance to cold and diseases and increase the yield of crops. The invention has the advantages of use of water as solvent, reduced waste of resources, no discharge of three wastes, environmental friendliness, scientific formulation, advanced process, low cost ...

Hole-punching and switching mechanism of mould

The invention discloses a punching switching mechanism of a die, which consists of a piercing female die, a piercing male die, a male die installation seat, a lower die holder, an eccentric swage, an air cylinder, a drive, inclined wedge skateboards and an upper die holder, etc. The piercing female die is fixed on the lower die holder; the piercing male die is fixed on the male die installation seat; a lower inclined wedge skateboard is fixed at the upper part of the male die installation seat; the air cylinder is fixed on the upper die holder, wherein, the free end of the air cylinder is connected with the drive to pull the drive to move horizontally; an upper inclined wedge skateboard is fixed below the drive to work with the lower inclined wedge skateboard fixed at the upper part of the male die installation seat. The mechanism adopts the air cylinder as the power source to switch the horizontal movement to vertical movement via the inclined wedge skateboards, and to protrude the piercing ...

Self-calibration method of calibration instrument

The invention discloses a self-calibration method of a calibration instrument, which comprises the following steps that: (1) a control unit and a self-calibration unit are arranged on the calibration instrument with a measuring unit and an output unit, wherein the control unit is connected with the self-calibration unit, the self-calibration unit comprises a selector switch unit, and the selector switch unit is respectively connected with the measuring unit and the output unit; (2) time intervals for carrying out self-calibration by the calibration instrument are set on the control unit; (3) after the calibration instrument is started up or the time intervals for self-calibration are reached, the control unit controls the self-calibration unit to automatically measure self-calibration; and (4) by adopting measurement subjected to self-calibration as a reference, the control unit controls the self-calibration unit to automatically output self-calibration. Compared with the prior art, the ...

Equipment and method for automatically marking defects during eddy current testing of aluminum alloy thin wall pipe

The invention relates to equipment and method for automatically marking defects during eddy current testing of an aluminum alloy thin wall pipe and belongs to the field of machining. The invention solves the problems that a quick drying paint is harmful to human body and pollutes air when the defects are marked through the quick drying paint, and acetone which is used for frequently cleaning up the quick drying paint which blocks a spray gun is harmful to the human body. The equipment for automatically marking the defects comprises a PLC (Programmable Logic Controller) control module, a pneumatic control module, an air cylinder and an optoelectronic switch. The method for automatically marking the defects based on the equipment comprises the following steps: 1, the optoelectronic switch opens the PLC control module and receives defect signals during eddy current testing of the aluminum alloy thin wall pipe; 2, the PLC control module outputs corresponding marking action commands to the pneumatic ...

Frequency offset estimation method and device for orthogonal frequency division multiplexing (OFDM) communication system

The invention discloses a frequency offset estimation method for an orthogonal frequency division multiplexing (OFDM) communication system, which comprises the following steps of: extracting a frequency-domain original reference signal and a time shift parameter; obtaining a time-domain reference signal with cyclic time shift characteristics according to the frequency-domain original reference signal and the time shift parameter; transmitting the time-domain reference signal; receiving the time-domain reference signal; and extracting a time shift reference signal, and calculating an estimatedfrequency offset value according to the time-domain reference signal and the time shift reference signal. The invention also discloses a frequency offset estimation device for the OFDM communication system. By the method and the device, the frequency offset estimation accuracy in the OFDM communication system is improved, and a frequency offset estimation range in the OFDM system is widened.

Analytical method for detecting hydroxyl amine reducing ferment activity in soil

The invention relates to a kind of analysis method about detection the reactivity of hydroxylamine reductases in the soil, 1) weigh 0.5-1g soil air dry sample n portions laying in the test-tube and adds the hydroxylamine hydrochloride in the n-1 test-tube and adds the distilled water in the other one test-tube as the sample to compare; adjusts pH=7-8.5 and adds the glucose liquor in the test-tube and supplies distilled to 5-10ml using distilled water and discharges the air in the test-tube and then plugs the rubber stopper and shakes it uniformly; 2) supplies distilled to 50-100ml using distilled water; 3) adds the potassium alum saturated solution; shock, slit; 4) takes the filter liquor and adds buffer solution and developer and assays the absorbance value A in the 510nm; 5) calculates the content of hydroxylamine in the sample. The merits of the invention are mainly about: 1) simple the operations steps and reduce the complexity and uncertainty of the culture process of anaerobic; 2) ...

Resin composition and application thereof

The present invention provides a resin composition, which comprises a solvent and a solid matter dissolved in the solvent, wherein the solid matter does not contain a phenolic resin; and the solid matter comprises a phosphorous epoxy resin and a benzoxazine resin. The weight ratio of the benzoxazine resin to the epoxy resin is about 0.6:1 to 3.0: 1. The invention also discloses a substrate and a copper-clad plate made of the resin composition.

Double-head outlet micro armoured electrical heating element

The invention relates to a double-head outlet micro armoured electrical heating element and belongs to the technical field of heaters. The electrical heating element is mainly characterized in that: (1), a section of athermic core wire is prefabricated at two ends of a heating core wire respectively; (2) the heating core wire without an athermic section is arranged in a metal sleeve, compact magnesia powder is filled between the heating core wire and the metal sleeve, and the compact magnesia powder, the heating core wire and the metal sleeve are drawn to form a firm whole; and (3) one part of the two athermic core wire sections of the heating core wires is exposed from the metal sleeve, two exposed ends are sealed by a high-temperature insulating gel (a metal electrode cap can be arranged or not arranged on the outer side filled with the high-temperature insulating gel), and the exposed core wire is directly connected with a lead outside a power supply. The heating core wire of the invention ...

Integrated design-oriented urban rail transit station sorting method

The invention discloses an integrated design-oriented urban rail transit station sorting method. The method comprises the following steps of: (1) acquiring original data and establishing a station initial variable information database A; (2) configuring parameters, calculating indexes, and generating a station impact factor relational database B; (3) standardizing and preprocessing data in a dimensionless mode; (4) extracting a main constituent D-characteristic index; (5) clustering urban rail transit stations; and (6) analyzing a result and storing the stations for sorting. By the method, a user can automatically adjust acquired initial variable content in a certain standard frame, the main constituent D-characteristic index of the stations can be automatically extracted by a statistic package for social science (SPSS) statement, the clustering is performed so as to acquire a data class, and the defects such as qualitative general acquisition and sorting, incomplete acquired variable content ...

Manufacturing method of embedded metal through-hole wafer and device thereof

The invention relates to a manufacturing method of an embedded metal through-hole wafer and a device thereof, wherein the method comprising the following steps: linear metal penetrates through the through holes of a bearing device and the bottom part of a die, passes through the accommodating cavity of the die, penetrates through the through hole of another bearing device, and then is fixed at both ends of each bearing device to be strained. The raw material of the wafer is poured into the accommodating cavity of the die, the die is heated to the temperature of more than 100 DEG C of the softening point of the raw material of the wafer, and then the heat is preserved for at least 10 minutes. The die is cooled to the room temperature, and a wafer cylinder is taken out and is cut to obtain the wafer with the metal through hole. The manufacturing method of an embedded metal through hole wafer and the device thereof have low wafer manufacturing cost, help the a large number of wafer production ...

SERVICE PROCESSING METHOD, APPARATUS AND SERVER

The present application provides a service processing method, apparatus and server, and the method includes: when a first user logs on a client device based on a first account, receiving an operation request for requesting a service operation from the first user; according to the first account, searching account binding relationship which has been stored; if a second account of a second user bound with the first account is found, permitting the first user to accomplish the service operation using the second account authority of the second account; after the first user accomplishes the service operation using the second account authority of the second account, updating the second account information of the second account according to the operation result of the service operation. 1. A service processing method , comprising:sending, by a client device associated with a first account of a first user, an operation request of a service operation to a server for the server to search for a second account of a second user in a binding relationship with the first account according to the operation request;receiving, by the client device, the first account and the second account from the server;providing, by the client device, the first account and the second account as optional accounts on an interface of the client device associated with the first user;receiving, by the client device, a selection of at least the second account; andtransmitting, by the client device, the selection to the server for the server to permit the first account to execute the service operation with joint account authorities of the first account and the second account.2. The method according to claim 1 , wherein:the server is configured to store the binding relationship between the first account and the second account; andthe stored binding relationship is searchable for permitting the first account to execute an operation under an authority of the second account granted by the second account.3. The ...

Quick automatic evaluation device for scale inhibitor performance based on conductance detecting

First 22-ketal steroid compound, synthetic process and applications

Driving method for reducing power consumption of liquid crystal display and related devices thereof

The invention provides a driving method for reducing the power consumption of a liquid crystal display, which comprises the following steps: sequentially receiving a first data and a second data; judging whether the second data is the same as the first data; and when the second data is the same as the first data, controlling a data wire driving circuit not to read a drive data corresponding to the second data.

Anti-root-maggot medicinal organic fertilizer and fertilizing method thereof

The invention discloses a medicinal organic fertilizer which prevents root maggots and an application method thereof. The medicinal organic fertilizer provided by the invention contains fructus quisqualis and organic fertilizer and can be applied not only as ground fertilizer but also top dressing. The medicinal organic fertilizer which is provided by the invention and applied as ground fertilizer can inhibit root maggots by 100 percent at the first expanding stage of garlic bulb and can 71.5 percent inhibit the root maggots by 71.5 percent during harvest when applied as the top dressing and the output of garlic which is not damaged by root maggots is 458kg per mu. The raw materials of the medicinal organic fertilizer which prevents root maggots is easy to obtain with a simple applicationmethod, is non-toxic and harmless, does not pollute the environment, has dual functions of fertilizer conservation and deworming, can be not only applied to preventing garlic from root maggots, but also ...

User network access device

Soil sample collector

The invention relates to soil sample collecting equipment, in particular to a soil sample collector for collecting a soil sample in a plough layer for various conventional soil sample analysis. The soil sample collector comprises a handle and a drilling body, wherein the handle comprises two hollow nested steel tubes; a first spring is accommodated in the outer-layer steel tube; an open pore is arranged on the upper wall of the outer-layer steel tube; one end of the inner-layer steel tube can be nested in the outer-layer steel tube in a reciprocating moving manner; the first spring is positioned between the end part of the inner-layer steel tube and the inner wall of the outer-layer steel tube; a positioning device positioned in the open pore when the drilling body is opened is arranged on a tube body of the inner-layer steel tube positioned in the outer-layer steel tube; the drilling body is formed by hinging two parts with the same structure; and the two parts are respectively connected ...

Analysis method for detecting arylsulfatase activity in soil

The invention relates to an analysis method for detecting arylsulfatase activity in soil, which comprises the following steps: 1) respectively weighing a soil sample, placing the soil sample in 2n triangular flasks, adding 4ml of buffer solution into the triangular flasks, adding 1ml of substrate p-nitrophenyl sulphate potassium solution into first group of n triangular flasks, taking second group of n triangular flasks as a contrast group, shaking evenly, and performing constant temperature culture after covering a bottle plug; 2) after finishing the culture, adding 4ml of alkaline tris(hydroxymethyl)aminomethane solution and 1ml of calcium chloride solution into the triangular flasks to finish reaction and develop, adding 1ml of substrate solution into the second contrast group, and evenly mixing and filtering the mixture; 3) performing colorimetricassay on an absorbance value A at 410nm; and 4) according to a standard curve, calculating the content of p-nitrophenol, and further calculating ...

Method and device for ring-current power management in communication equipment

The invention provides a method and a device for ring-current power management in communication equipment. In the communication equipment which needs to provide ring current for a user terminal, whether the ring-current power required by a new request is lower than or equal to the ring-current power remained from a ring-current source for distributing the ring-current power or not is firstly judged after the new calling ring-current request is received; and if the required ring-current power is less than or equal to the ring-current power remained from the ring-current source, the required ring-current power is distributed to the new ring-current requests. The invention can enable the ring-current source of the communication equipment to support larger simultaneous ringing numbers, improves the operation performance of the system and reduces the design cost of the system.

Cement type surface simple drawing mold

Self-adapting admission controlling method based on measurement for video frequency request system

Method and system for automatically analyzing GPU test result

The invention discloses a method for automatically analyzing test results of a graphic processing unit ('GPU') and a system thereof. Particularly, the embodiment of the invention provides a method, which comprises the following steps: identifying the GPU test results related to the type of a first register; establishing a template file related to the same type of the first register, wherein the template file is configured in advance to store the GPU test results of the first register, and operates the GPU test results; filling the GPU test results in the template file; totalizing the GPU test results related to the type of the first register to establish common output; and determining a proper register value from a passing range of the register value based on the common output under the condition of no human interference.

6-AMINO QUINAZOLINE OR 3-CYANO QUINOLINE DERIVATIVES, PREPARATION METHODS AND PHARMACEUTICAL USES THEREOF

6-amino quinazoline or 3-cyano quinoline derivatives, preparation methods and pharmaceutical uses thereof are disclosed. Specifically, the present disclosure discloses novel 6-amino quinazoline or 3-cyano quinoline derivatives presented by general formula (I), or tautomers, enantiomers, diastereomers, racemates or pharmaceutically acceptable salts thereof, or metabolites, metabolic precursors or prodrugs thereof, and their uses as treatment agents especially as protein kinase inhibitors, in which each substitutent group of general formula (I) is as defined in the specification. 2. The compound according to claim 1 , the tautomer claim 1 , racemate claim 1 , enantiomer claim 1 , diastereoisomer or mixture thereof claim 1 , or the pharmaceutically acceptable salt thereof claim 1 , wherein A is carbon atom; Ris alkoxyl; and Ris cyano.3. The compound according to claim 1 , the tautomer claim 1 , racemate claim 1 , enantiomer claim 1 , diastereoisomer or mixture thereof claim 1 , or the pharmaceutically acceptable salt thereof claim 1 , wherein A is nitrogen atom; Ris hydrogen; and Ris absent.4. The compound according to claim 1 , the tautomer claim 1 , racemate claim 1 , enantiomer claim 1 , diastereoisomer or mixture thereof claim 1 , or the pharmaceutically acceptable salt thereof claim 1 , wherein n is 2.6. The compound according to claim 5 , the tautomer claim 5 , racemate claim 5 , enantiomer claim 5 , diastereoisomer or mixture thereof claim 5 , or the pharmaceutically acceptable salt thereof claim 5 , wherein A is carbon atom; Ris alkoxyl; and Ris cyano.7. The compound according to claim 5 , the tautomer claim 5 , racemate claim 5 , enantiomer claim 5 , diastereoisomer or mixture thereof claim 5 , or the pharmaceutically acceptable salt thereof claim 5 , wherein A is nitrogen atom; Ris hydrogen; and Ris absent.8. The compound according to claim 5 , the tautomer claim 5 , racemate claim 5 , enantiomer claim 5 , diastereoisomer or mixture thereof claim 5 , or the ...

METHOD AND DEVICE FOR DETERMINING FORWARDING RULE FOR DATA PACKET

A method and corresponding device for determining forwarding rule for data packet in Virtual Private LAN Service with Provider Backbone Bridge (PBB-VPLS) network are disclosed. In the method, a value in a backbone service instance identifier (I-SID) field of the received data packet is firstly examined, then a virtual split horizon group corresponding to the data packets is determined based on the I-SID value, wherein the virtual split horizon group defines a forwarding rule for the data packets between different pseudo wire ports of the PBB-VPLS network. With the dynamic split horizon group, the method dynamically adapts to different forwarding rules for multiple I-VPLS instances with different tree topologies, and is capable of supporting multiple I-VPLS instances with different root sites and tree topologies in one B-VPLS instance, thereby ensuring the stability of the backbone network and reducing the network operation cost. 1. A method for determining forwarding rule for data packet in Virtual Private LAN Service with Provider Backbone Bridge (PBB-VPLS) network , comprising:examining a value in a backbone service instance identifier (I-SID) field of the received data packet; anddetermining a virtual split horizon group corresponding to the data packet based on the I-SID value, wherein the virtual split horizon group defines a forwarding rule for the data packet between different pseudo wire ports of the PBB-VPLS network.2. The method of claim 1 , wherein the step of determining a virtual split horizon group corresponding to the data packet comprises:querying a dynamic split horizon group table based on the I-SID value, wherein the dynamic split horizon group table records a relationship between a user service bridge domain VPLS instance identified by the I-SID value and the virtual split horizon group.3. A device for determining forwarding rule for data packet in Virtual Private LAN Service with Provider Backbone Bridge (PBB-VPLS) network claim 1 , comprising: ...

TEMPERATURE BALANCING DEVICE OF PROJECTION OBJECTIVE OF LITHOGRAPHY MACHINE AND METHOD THEREOF

The invention provides a temperature balancing device for a projection objective of a lithography machine. The device comprises at least one temperature sensor, at least one heat-absorbing light-transmitting layer and an objective temperature balancing control unit, wherein the temperature sensor is disposed adjacent to the projection objective for sensing the temperature difference of the projection objective in different areas; the heat-absorbing light-transmitting layer is positioned below the projection objective for absorbing radiation energy in the laser beams transmitted from the lithography machine and transmitting the laser beams; and the objective temperature balancing control unit is used for controlling the absorption degree and light transmission degree of the heat-absorbing light-transmitting layer according to the temperature difference sensed by the temperature sensor. The invention also discloses a method for balancing temperature of a projection objective of a lithography machine. 1. A temperature balancing device for a projection objective of a lithography machine comprising:at least one temperature sensor disposed adjacent to the projection objective for sensing the temperature difference in different areas thereof;a heat-absorbing light-transmitting layer positioned below the projection objective for absorbing radiation energy in the laser beams transmitted from the lithography machine and transmitting the laser beams;an objective temperature balancing control unit for controlling the absorption and light transmission degree of the heat-absorbing light-transmitting layer according to the temperature difference sensed by the temperature sensor.2. The temperature balancing device according to claim 1 , further comprising at least one component for accommodating the heat-absorbing light-transmitting layer.3. The temperature balancing device according to claim 2 , wherein the heat-absorbing light-transmitting layer is fixed on the component through ...

HIERARCHICAL DISTRIBUTED VOLTAGE REGULATION

Embodiments of the disclosure provide for hierarchically distributed voltage regulation and power flow optimization in a power distribution network. According to one embodiment, a regional coordinator system may determine power flow for an autonomous grid (AG) representing a portion of the distribution network based ona set of voltage parameters from nodes in the AG. The set of voltage parameters my include a current voltage magnitude. The regional coordinator system may provide, to a central controller system of the distribution network, one or more power flow parameters based on the determined power flow for the AG. 1. A method comprising:determining, by a regional coordinator system comprising at least one processor, based at least in part on a set of voltage parameters from a plurality of nodes in a distribution network, power flow for an autonomous grid (AG) in the distribution network, the AG including the plurality of nodes;determining, by the regional coordinator system, based on the power flow for the AG, one or more power flow parameters; andoutputting, by the regional coordinator system, for use by a central controller system, the one or more power flow parameters.2. The method of claim 1 , further comprising:receiving, by the regional coordinator system, one or more regional parameters for the AG, the one or more regional parameters being determined at least in part by the central controller system based at least in part on power flow parameters for AGs in the distribution network; anddetermining, based at least in part on the one or more regional parameters and a topology of the AG, an updated power flow for the AG; andcausing, by the regional coordinator system, at least one Distributed Energy Resource (DER) in the AG to modify operation based on the updated power flow for the AG.3. The method of claim 1 , further comprising:receiving, by the central controller system, the one or more power flow parameters;determining, based at least in part on power ...

Method of producing potassium sorbate particles

The present invention discloses a method of producing potassium sorbate particles, comprising the steps of: (1) preparing a potassium sorbate solution; (2) spray drying; (3) spray forming; (4) indirectly drying with steam on a vibration fluidized bed; and (5) swing-type sifting; in step (3), a binder is obtained by spray drying after adding sorbitol to the potassium sorbate solution prepared in step (1), and the binder is mixed with the potassium sorbate powder obtained by spray drying in step (2) to undergo the spray forming process; based on weight ratio, the weight ratio of the sorbitol required to prepare the binder to the potassium sorbate solution required to prepare the binder is 0.05-0.1%:1. The beneficial effects of the present invention are: an appropriate binding effect of the powder particles, a good breaking effect and a good spheronization effect of the powder particles, and uniformity of granulation.

Automatic Locking Device for Snow Skid Chains

This invention discloses an automatic locking device for snow anti-skid chains. Wherein the snow anti-skid chain comprises a ratchet wheel lock catch and a anti-skid chain; the anti-skid chain is respectively fixed at the buckle and the outer part of the housing aforesaid, and extends towards three directions. The ratchet wheel lock catch is used to make the anti-skid chain to attach to automobile tires firmly and is controlled by pressing two buttons on its lower side, which is different from existing operational actions of braking off and twisting. The pressing action is simple and available for one hand operation. The overall structure is simple and reliable, conforming to use habits of control actions by users.

METHOD AND DEVICE FOR POSITIONING SOUND SOURCE BY USING FISHEYE LENS

A method and device for positioning a sound source by using a fisheye lens. The method is used for positioning a sound source for an incident straight line or an incidence angle of a sound wave in conjunction with a fisheye lens. The method and device for positioning the sound source by using the fisheye lens as provided by the present invention have the following advantages, that include, but are not limited to the followings: the method and device for positioning the sound source by using the fisheye lens as provided by the present invention make use of the characteristics of the fisheye lens to realize angular positioning instead of positional positioning. 1. A method for positioning a sound source by adopting a fisheye lens ,the method comprising positioning a sound source by means of an incident straight line or an incidence angle of a sound wave in conjunction with a fisheye lens;wherein the method further comprising the following steps:a. establishing a corresponding relationship of an incidence angle of a sound wave, a distance between the sound source and the fisheye lens, and a measured sound source distance difference, to be specific:providing a fisheye lens and a plurality of microphones, any two microphones forming capably a set of microphones, and any two sets of microphones comprising three or four microphones; calculating a sound source distance difference of each set of microphones corresponding to the incident angles of different sound waves and the distance between the sound source and the fisheye lens, the measured sound source distance difference referring to an absolute value of a difference of the distances between the sound source and each microphone in each set of microphones; andb. positioning the sound source according to the corresponding relationship, and performing imaging display by using the fisheye lens, to be specific:obtaining the incident angle of the sound wave and the distance between the sound source and the fisheye lens, that ...

Economical high-strength quick-hardening grouting material and grouting reinforcement method for soft rock tunnel

An economical high-strength quick-hardening grouting material includes ordinary Portland cement, a quick-hardening sulphoaluminate gelling agent and water. The ratio of the mass of water to the sum of the mass of the ordinary Portland cement and the mass of quick hardening sulphoaluminate gelling agent is 0.46:1. The ratio of the mass of the quick-hardening sulphoaluminate gelling agent to the mass of the ordinary Portland cement is (0.67-1.5):1. The initial setting time of the grouting reinforcement material is 40±5 min, and the average compressive strength of a cube solidified for 4 hours is higher than or equal to 10 MPa.

APPARATUS FOR DETECTING THE FLATNESS OF WAFER AND THE METHOD THEREOF

An apparatus for detecting the flatness of a top surface of a wafer includes a plurality of detector elements, a metal sink and a plurality of injection pipes. Each detector element comprises: a metal tube body, jet pipes, a light receiver and a light emitter. The method comprises: injecting ultra-pure water into the detector elements by injection pipes; emitting parallel beams along an upward-oblique direction, a preset Angle θ being formed between the beams and the vertical direction. The radiated beams above the water surface are incident on a receiver. The intensity of the beams received by the light receiver is used to calculate the height of the detecting point of the surface of the silicon wafer to determine the flatness condition of the wafer surface. The flatness of the photo-resist covered on the wafer surface can also be accurately measured by this method. 1. An apparatus for detecting the flatness of wafer , wherein the apparatus comprises a plurality of detector elements , a metal sink and a plurality of injection pipes , the detector elements arranged side by side together make up a one-row detector elements; there is a preset distance between each two adjacent detector elements; each of the detector elements is fixed on the corresponding metal sink , and the upside of each of the detector elements is provided with one of the corresponding injection pipes wherein a injection pipe injects liquid into the inside of the detector element underlying this injection pipe; each of the detector element is used for detecting the height of a corresponding detection point on the wafer; the detector element comprises a metal tube body; the lower peripheral portion of the metal tube body is arranged with an array of jet pipes; the jet pipes are used to spray ultra-clean air downward; a light emitter is disposed on a side wall inside the metal tube body , a light receiver is disposed on the other side wall opposite to the side wall having the light emitter , the ...

Method for Deformation Control of Large-span Tunnel in Chlorite Schist Stratum

A method for deformation control of large-span tunnel in chlorite schist stratum. The method divides the large deformation of large-span tunnel in chlorite schist stratum into five deformation grades according to the surrounding rock conditions of the tunnel. In response to each deformation grade, the deformation control of large-span tunnel is determined so as to ensure the safety and stability of the tunnel support structure and to avoid the clearance intrusion caused by tunnel deformation. 1. A method for deformation control of large-span tunnel in chlorite schist stratum , comprising;dividing a deformation of a large-span tunnel in chlorite schist stratum into five deformation grades according to surrounding rock conditions of the tunnel, wherein the five large deformation grades are extremely serious large-deformation, serious large-deformation, medium large-deformation, slight large-deformation, and zero large-deformation; andcontrolling a deformation of the large-span tunnel corresponding to one of the five deformation grades,wherein the extremely serious large-deformation comprises the tunnel surrounding rock being composed of single chlorite schist, having a saturated uniaxial compressive strength Rc<5 MPa, and being in a powder or granular structure;wherein the serious large-deformation comprises the tunnel surrounding rock being composed of chlorite schist and contains 20% of quartz veins, containing underground water, having a saturated uniaxial compressive strength Rc of rock mass of 5-10 MPa, and having a rock mass integrity coefficient Kv≤0.15, and being in a cataclastic or granular structure;wherein the medium large-deformation comprises the tunnel surrounding rock being composed of chlorite schist and containing less than 20% quartz veins, having no underground water, having a saturated uniaxial compressive strength Rc of rock mass of 10-20 MPa, having a rock mass integrity coefficient Kv of 0.15-0.35, and being in a thin stratified structure with a ...

PHOTORESIST BOTTLE CAPABLE OF IMPROVING POOR COATING COVERAGE

A photoresist bottle capable of improving poor coating coverage is disclosed, which comprising: a sealed photoresist bottle body having a connector, a hard groove-shaped projection fixed on the bottom of the bottle body, an inner liner having an opening at the bottom, which is hermetically connected to the groove sidewall of the projection and is used to fill with the photoresist, a nitrogen gas tube inserting into the interspace between the bottle body and the soft liner through the connector, and a photoresist conduit inserting into the soft liner through the connector. Wherein, the top of the inner liner is hermetically connected to the upper lateral wall of the photoresist conduit, the lower end of the photoresist conduit reaches within the groove of the projection. When the soft liner is pressured, since unable to touch the photoresist outlets at the lower end of the photoresist conduit, a blocking can be avoided. Thereby, air bubbles and coating problems are prevented. 1. A photoresist bottle capable of improving poor coating coverage , comprising: a sealed photoresist bottle body having a connector , a hard groove-shaped projection fixed on the bottom of the bottle body , an inner liner having an opening at the bottom , which is hermetically connected to the groove sidewall of the projection and is used to fill with the photoresist , a nitrogen gas tube inserting into the interspace between the bottle body and the soft liner through the connector , and a photoresist conduit inserting into the soft liner through the connector; wherein , the top of the inner liner is hermetically connected to the upper lateral wall of the photoresist conduit , the lower end of the photoresist conduit reaches within the groove of the projection.2. The photoresist bottle according to claim 1 , wherein a photoresist outlet is positioned at the lower end of the photoresist conduit and is concave toward the interior of the photoresist conduit.3. The photoresist bottle according to ...

MAXIMIZING EFFICIENCY OF MULTI-USER COMMUNICATIONS NETWORKS

Systems and methods are described for jointly optimizing communications in a multi-user network to maximize the weighted sum-rate of its data links. For example, embodiments seek to maximize overall link transmit rates, while minimizing link interference and/or noise in general multi-in multi-out (MIMO) interference networks having multiple interfering data links, each with one or more antennas at the transmitter and receiver. Novel algorithmic approaches, including an “iterative minimax” approach and a “dual link” approach, are described for solving the weighted sum-rate maximization in a manner that converges quickly and reliably on an optimal point. Some embodiments implement these approaches in a centralized transmission controller, while others implement these approaches in a distributed fashion. 1. A method of link optimization in a multi-user communications network having a plurality of transmitter-receiver communications links that are mutually interfering , the method comprising:initializing a forward-link signal communication model that represents transmit characteristics of a plurality of forward-link transmitters of the communications network;computing an initial solution to an optimization problem having at least one power constraint corresponding to the transmitters as a function of the initialized forward-link signal communication model; and computing a forward-link interference model as a function of the forward-link signal communication model;', 'updating a reverse-link signal communication model according to the forward-link interference model;', 'computing a reverse-link interference model as a function of the updated reverse-link signal communication model;', 'updating the forward-link signal communication model according to the reverse-link interference model;', 'normalizing the updated forward-link signal communication model to fit the at least one power constraint; and', 'computing the updated solution to the optimization problem as a function ...

BOOK SORTING METHOD ON THE BASIS OF RSSI SIGNAL VALUE OF RFID TAG

A book sorting method based on RSSI signal values of RFID tags, including the following steps: reading book RFID tags placed in books by using an RFID device, wherein each tag signal includes: an EPC number EPC of the book RFID tag, the RSSI value r of the book RFID tag, and the time t of reading the book RFID tag, and three attribute values corresponding to one book corresponding to one time are marked as a record; classifying books with the same EPC number of the tags as a category, obtaining a curve chart of the RSSI values of the category of book RFID tags according to a time sequence, and preprocessing the curve chart; and establishing a model; and obtaining the position sequence of each book RFID tag according to the model so as to sort the books. 1. A book sorting method based on RSSI signal values of RFID tags , comprising the following steps:step 1, reading the information of book RFID tags placed in books by using an RFID device, wherein the information of each book RFID tag comprises: an EPC number of the book RFID tag, the RSSI value of the book RFID tag, and the time t of reading the book RFID tag, and three attribute values corresponding to one book are marked as a record ;step 2, classifying books with the same EPC number of the book RFID tags as a category, obtaining a curve chart of the RSSI values of the category of book RFID tags according to the sequence of the time t, and preprocessing the curve chart;step 3, further processing the curve obtained in step 2 to obtain a time-varying rule of the RSSI values of the book RFID tags, and establishing a quadratic curve model; andstep 4, obtaining the position sequence of each book RFID tag according to the model so as to sort the books.2. The book sorting method based on the RSSI signal values of the RFID tags of claim 1 , wherein in step 1 claim 1 , the distanced between the RFID device and the book and the RSSI value of the book RFID tag has a relationship shown as ...

Library book reservation method based on ultrahigh-frequency rfid technology

A library book reservation method based on ultra high frequency RFID technology, including the following steps: step 1, using an RFID tag adhered on each book by using an RFID reading device, wherein the information read by the RFID reading device corresponding to each group of books includes ID information id of the tags, collecting the phase difference θ of the current tag, collecting the current time t of the current tag, and using Tag=<id, t, θ> to represent the read information of the RFID reading device corresponding to each group of books; step 2, sorting triples; and step 3, obtaining a phase change rule of the books, establishing a model, and analyzing the position relation between an RFID antenna and the books to sort the books.

AUTOMATED SMART BOOK INVENTORY AND SHELVING ROBOT BASED ON RFID TECHNOLOGY

An automatic and intelligent book checking and shelving robot based on the RFID technology, including an RFID system used for identifying book information, a controllable lifting device used for checking books, a navigation sensor for providing a locating navigation function and a four-wheel omni-directional mobile platform for driving the equipment to move. The present invention mainly uses the automatic identification technology and the radio frequency phase technology in the RFID technology, and the machine automation technology to realize an automatic and intelligent book checking and shelving function, including an automatic whole-library book checking function and an automatic whole-library book shelving function. 13123133131213. An automatic and intelligent book checking and shelving robot based on the RFID technology , comprising an equipment main body () , an all-in-one machine () and a controllable lifting device () arranged on the equipment main body () , and a four-wheel omni-directional mobile platform () arranged at the bottom of the inner side of the equipment main body () , wherein the four-wheel omni-directional mobile platform () is controlled by the all-in-one machine () , and an RFID antenna capable of moving up and down is arranged on the controllable lifting device (); and an RFID reader connected to the all-in-one machine () and more than one bookshelf layer are arranged in the equipment main body () , more than one RFID antenna is correspondingly arranged in each bookshelf layer , and all the RFID antennas are connected to the RFID reader.223. The automatic and intelligent book checking and shelving robot based on the RFID technology of claim 1 , wherein the controllable lifting device () comprises a lifting device slide block and a lifting device guide rail claim 1 , the lifting device guide rail is fixed to the back of the equipment main body () claim 1 , the lifting device slide block is arranged in the lifting device guide rail claim 1 , ...

Book placing attitude recognition method based on rssi signal value of rfid

A book placement posture identification method based on an RSSI signal value of RFID, including: step 1, horizontally moving to read the signal of an RFID tag placed in a book by using an RFID device; step 2, classifying triples with the same EPC number as a category to serve as the RSSI signal values of the internal RFID tag of the book obtained at different moments; step 3, preprocessing the data obtained in step 2; step 4, establishing a model to obtain a time-varying rule of the RSSI value of the RFID tag of the book; step 5, sampling data, training a classification model, and judging the placement posture of the book according to a model established according to test data and a classification model; and step 6, vertically moving to read the signal of the RFID tag placed in the book by using the RFID device.

PACKAGING STRUCTURE AND PACKAGING METHOD

A package and a packaging method are provided. The package includes a chip unit, a protective cover plate, and an adhesive unit. The chip unit has a first surface, where the first surface includes a device region. The protective cover plate has a second surface opposite to the first surface of the chip unit. The adhesive unit is located between the first surface of the chip unit and the second surface of the protective cover plate and is configured to bond the chip unit with the protective cover plate. The adhesive unit includes a first region and a second region having different viscosities. 1. A package , comprising:a chip unit having a first surface, wherein the first surface comprises a device region;a protective cover plate having a second surface opposite to the first surface of the chip unit; andan adhesive unit located between the first surface of the chip unit and the second surface of the protective cover plate and configured to bond the chip unit with the protective cover plate, wherein the adhesive unit comprises a first region and a second region having different viscosities.2. The package according to claim 1 , wherein the viscosity of the first region is less than the viscosity of the second region.34-. (canceled)5. The package according to claim 1 , wherein the adhesive unit comprises a first adhesive layer claim 1 , with the first region and the second region being in the first adhesive layer.6. The package according to claim 2 , wherein the adhesive unit comprises:a first adhesive layer;a second adhesive layer; anda transparent base located between the first adhesive layer and the second adhesive layer, whereinthe first adhesive layer is located between the transparent base and the second surface of the protective cover plate, and the second adhesive layer is located between the transparent base and the first surface of the chip unit.7. The package according to claim 6 , wherein the first region and the second region are located in the first ...

SELF-TEST MODULE OF ELECTRONIC CIRCUIT BREAKER

A self-test module of an electronic circuit breaker includes a power supply assembly with a rechargeable battery, a self-test enablement assembly, an induced power supply assembly, a boost power supply, and a micro control unit (MCU). The self-test enablement assembly is connected to the rechargeable battery and includes an enablement button, a capacitor and a first power chip connected in series. The induced power supply assembly includes a buck chip. The boost power supply includes a second power chip and a boost chip connected in series. The MCU includes a plurality of pins that are connected to the first and second power chips, the buck chip, and the boost chip. The self-test module has two working modes; the electronic circuit breaker may be provided with or without a load current. The MCU operates the self-test procedure, indicates the self-test status, and maintains the indication for a period of time. 1. A self-test module of an electronic circuit breaker , comprising:a power supply assembly comprising a rechargeable battery;a self-test enablement assembly comprising an enablement button, a capacitor and a first power chip which are connected in series, wherein the self-test enablement assembly is connected to the rechargeable battery;an induced power supply assembly comprising a buck chip;a boost power supply comprising a second power chip and a boost chip which are connected in series;a micro control unit (MCU) provided with a plurality of pins which are connected to the first power chip, the second power chip, the buck chip and the boost chip, respectively;wherein, when the electronic circuit breaker does not have a load current, when the enablement button is pressed, the MCU is powered by the rechargeable battery and operates a self-test procedure to check completeness of the components and obtain detection results, the MCU indicates the self-test status after operating the self-test procedure and maintains the indication for a period of time, then the ...

DATA TRANSMISSION APPARATUS OF CIRCUIT BREAKER CONTROLLER

The present invention discloses a data transmission apparatus of a circuit breaker controller. The data transmission apparatus comprises: a first component having a first power supply and a second component having a second power supply. The first component and the second component share a storage device. The second component is connected to a main circuit of the circuit breaker controller. The second component collects parameters of the main circuit and stores the parameters in the storage device. The second power supply powers the second component and is powered by the main circuit. The first component is connected to a communication device. The first component establishes data transmission between the communication device and the storage device. The first power supply powers the first component and is powered by an external power supply. The second power supply is connected to the first power supply and transmits a control signal to the first power supply. 1. A data transmission apparatus of circuit breaker controller , comprising a first component having a first power supply and a second component having a second power supply , wherein the first component and the second component share a storage device;the second component is connected to a main circuit of the circuit breaker controller, the second component collects parameters of the main circuit and stores the parameters in the storage device, the second power supply powers the second component and is powered by the main circuit;the first component is connected to a communication device, the first component establishes data transmission between the communication device and the storage device, the first power supply powers the first component and is powered by an external power supply, the second power supply is connected to the first power supply and transmits a control signal to the first power supply.2. The data transmission apparatus of circuit breaker controller according to claim 1 , wherein the second ...

Method of layer management with double-layer overlay accuracy control, calibration mark and measurement system

The present invention provides a method for solving the need for layer management with double-layer overlay accuracy control, a calibration mark structure which realizes the method and a measurement system with the calibration mark structure. The method modifies the layout of the overlay calibration marks such that overlay information of two layers is contained in one combined calibration mark, has realized the overlay accuracy data collection for the two previous layers in the current layer by one-time measurement, and can treat the overlay accuracies of the two layers as different control accuracies. Thus, the method can complete the automatic feedback optimization of the overlay accuracy compensation, is simple and easy, and can better help the enterprises for production quality assurance and cost control.

Hysteresis power supply circuit

A hysteresis power supply circuit, comprising: an input circuit (102), a switch combination circuit (104), a sampling and control circuit (108), a feedback circuit (106) and an output circuit (110). The input circuit (102) is connected to a power supply input terminal, and rectifies a power supply input and provides isolation protection for the input terminal. The switch combination circuit (104) is connected to the input circuit (102), and is turned on or off to control the output power of the power supply output terminal. The sampling and control circuit (108) samples the output voltage and compares the output voltage with the reference voltage, and controls the switch combination circuit to be turned on or off according to the result of the comparison. The feedback circuit (106) is connected between the switch combination circuit (104) and the sampling and control circuit (108). The switch combination circuit (104) outputs a positive feedback signal to the sampling and control circuit (108) through the feedback circuit (106), and the positive feedback signal causes a hysteresis effect on the comparison action of a reference power supply chip. The output circuit (110) is connected to the switch combination circuit (104), filters the output of the switch combination circuit (104) and provides isolation protection for the output terminal, and its output serves as an output of a hysteresis power supply circuit.

Yogurt for regulating intestinal tract, preparation method therefor, and use thereof

Disclosed are a yoghurt for regulating intestinal tract, preparation method therefor, and use thereof, where the yogurt is prepared from raw materials comprising the following parts by weight: 90-97 parts of raw milk, Lactobacillus gasseri of (0.7-5)×10 8 CFU/100 g raw milk, Streptococcus thermophilus of (0.1-9)×10 10 CFU/100 g raw milk, Lactobacillus bulgaricus of (0.1-9)×10 10 CFU/100 g raw milk, Lactobacillus acidophilus of (0.5-7)×10 8 CFU/100 g raw milk, Lactobacillus plantarum of (0.5-7)×10 8 CFU/100 g raw milk, Lactobacillus paracasei of (0.1-9)×10 7 CFU/100 g raw milk, and other probiotics, and prebiotics such as inulin. The yogurt may regulate the balance of intestinal flora and prevent constipation and gestational diabetes in overweight and/or obese pregnant women during the gestation period.

Service processing method, apparatus and server

The present application provides a service processing method, apparatus and server, and the method includes: when a first user logs on a client device based on a first account, receiving an operation request for requesting a service operation from the first user; according to the first account, searching account binding relationship which has been stored; if a second account of a second user bound with the first account is found, permitting the first user to accomplish the service operation using the second account authority of the second account; after the first user accomplishes the service operation using the second account authority of the second account, updating the second account information of the second account according to the operation result of the service operation. By applying the embodiments of the present application, the first user can accomplish various service operations on the basis of the account authorities of the multiple bound accounts, thus expanding the way of implementing services; and the times of transmission of service data among different accounts can be reduced, thus improving the interactive efficiency of service information.

Hysteresis power supply circuit

Heat exchange apparatus and laundry drying appliance having heat exchange apparatus

Apparatus for detecting the flatness of wafer and the method thereof

An apparatus for detecting the flatness of a top surface of a wafer includes a plurality of detector elements, a metal sink and a plurality of injection pipes. Each detector element comprises: a metal tube body, jet pipes, a light receiver and a light emitter. The method comprises: injecting ultra-pure water into the detector elements by injection pipes; emitting parallel beams along an upward-oblique direction, a preset Angle θ being formed between the beams and the vertical direction. The radiated beams above the water surface are incident on a receiver. The intensity of the beams received by the light receiver is used to calculate the height of the detecting point of the surface of the silicon wafer to determine the flatness condition of the wafer surface. The flatness of the photo-resist covered on the wafer surface can also be accurately measured by this method.

Vehicle-mounted dc/dc bond strap detection circuit

A detection circuit for the on-board direct current/direct current (DC/DC) ground wire. The circuit includes a digital signal process (DSP) controller (201), a detection circuit (202), a standby circuit for an on-board DC/DC converter (203), and a power-supply negative wire for the on-board DC/DC converter (204). The detection circuit (202) includes a comparator, a first conductive branch, a second conductive branch, a third conductive branch. In this way, the detection circuit (202) is connected between the DSP controller (201) and the standby circuit for the on-board DC/DC converter (203), and the detection circuit (202) is connected between the DSP controller (201) and the power-supply negative wire for the on-board DC/DC converter (204). Once a ground wire of the DC/DC converter (102) is in poor contact with or even disconnected with a vehicle body, or a ground wire of a low-voltage storage battery (104) is in poor contact with or even disconnected with the vehicle body, a current of hundreds of amperes is generated, the detection circuit (202) can detect a large current in the power-supply negative wire for the on-board DC/DC converter (102) or a shielding wire due to a disconnection or a poor contact of the ground wire of the DC/DC converter (102), thereby avoiding a wiring harness from being burned up due to a continuous output of the large current.

Self-test module of electronic circuit breaker

6-amino quinazoline or 3-cyano quinoline derivatives, methods of preparation and pharmaceutical uses thereof

Detection circuit for on-board direct current/direct current (dc/dc) ground wire and on-board device

A detection circuit for the on-board direct current/direct current (DC/DC) ground wire and an on-board device are provided. The circuit includes a digital signal process (DSP) controller, a detection circuit, a standby circuit for an on-board DC/DC converter, and a power-supply negative wire for the on-board DC/DC converter. The detection circuit includes a comparator, a first conductive branch, a second conductive branch, a third conductive branch. In this way, the detection circuit is connected between the DSP controller and the standby circuit for the on-board DC/DC converter, and the detection circuit is connected between the DSP controller and the power-supply negative wire for the on-board DC/DC converter.

Compounds for inflammation and immune-related uses

Yoghurt for regulating intestinal tract, and preparation method therefor and use thereof

A yoghurt for regulating the intestinal tract, and a preparation method therefor and the use thereof. The yoghurt is prepared from the following raw materials in parts by weight: 90-97 parts of raw milk, and probiotics such as Lactobacillus gasseri with (0.7-5)×10

Fluff collection and handling

Vehicle-mounted dc/dc bond strap detection circuit

Book placing attitude recognition method based on RSSI signal value of RFID

A book placement posture identification method based on an RSSI signal value of RFID, including: step 1, horizontally moving to read the signal of an RFID tag placed in a book by using an RFID device; step 2, classifying triples with the same EPC number as a category to serve as the RSSI signal values of the internal RFID tag of the book obtained at different moments; step 3, preprocessing the data obtained in step 2; step 4, establishing a model to obtain a time-varying rule of the RSSI value of the RFID tag of the book; step 5, sampling data, training a classification model, and judging the placement posture of the book according to a model established according to test data and a classification model; and step 6, vertically moving to read the signal of the RFID tag placed in the book by using the RFID device.

Vorrichtung zum erfassen von vitalparametern in einem ohr eines menschen und verfahren zum messen von vitalparametern eines menschen

Die vorliegende Erfindung bezieht sich auf eine Vorrichtung (1) zum Erfassen von zumindest zwei Vitalparametern. Diese Vorrichtung weist dabei auf:Eine optische Sensoreinrichtung (2) zur Erfassung von mindestens einem Vitalparameter eines Lebewesens (4), wobei die optische Sensoreinrichtung (2) eine Strahlungsquelle (6) zum Emittieren von Strahlung (7) und einen Strahlungsdetektor (8) zum Detektieren von Strahlung (7) aufweist, wobei die Strahlungsquelle (6) und der Strahlungsdetektor (8) nebeneinander angeordnet sind,einen länglichen Einbringanteil (12) zum Einbringen in einen Gehörgang (14) und zum Positionieren der optischen Sensoreinrichtung (2) in einem von Knochen umgebenen Anteil (16) des Gehörgangs (14),wobei die optische Sensoreinrichtung (2) an dem länglichen Einbringanteil (12) angeordnet ist oder Bestandteil davon ist und wobei ein Temperatursensor (18) zur Erfassung der Körperkerntemperatur an dem länglichen Einbringanteil (12) angeordnet ist oder Bestandteil davon ist,ein mit dem Einbringanteil (12) gekoppelter, insbesondere lösbar gekoppelter, Auswerteanteil (20), wobei der Auswerteanteil (20) und die optische Sensoreinrichtung (2) zumindest zeitweise, insbesondere in einem gekoppelten Zustand, signaltechnisch miteinander verbunden sind.

Method and device for authenticating passive rfid tag

A method for authenticating a passive RFID tag includes acquiring a tag fingerprint of a first tag as a first tag fingerprint, the first tag being the genuine tag; acquiring a tag fingerprint of a second tag as a second tag fingerprint, the second tag being the tag to be authenticated; comparing the first tag fingerprint with the second tag fingerprint: if the first tag fingerprint is consistent with the second tag fingerprint, determining that the second tag is a genuine tag, otherwise determining the second tag is a forged tag. The tag fingerprint is the persistence time enabling the passive RFID tag to operate normally during discharge after fully charging. The beneficial effects include being high in robustness to the change of environment and high in authentication accuracy and capable of being directly deployed on an existing commercial RFID device without modifying hardware of the tag and reader.

Infant formula milk powder rich in milk fat globule membrane protein, phospholipid and oligosaccharide, and preparation method therefor

An infant formula milk powder rich in milk fat globule membrane protein, phospholipid and oligosaccharide and a preparation method therefor. Raw cow milk is used as raw material, cleaned and pre-sterilized; MFGM whey powder, α-lactalbumin powder, galactooligosaccharide, polyfructose and other accessories; and the infant formula milk powder is obtained through pre-sterilization, homogenization, sterilization, compression and spray drying. By means of formula adjustment, the content of biologically active substances having special functional components such as MFGM-protein, lactoferrin, α-lactalbumin, total galactooligosaccharide, total polyfructose, sialic acid, total phospholipid, sphingomyelin, lecithin, phosphatidylserine, phosphatidylethanolamines, phosphatidylinositol, ganglioside, triglyceride and diglyceride in the infant formula milk powder is enhanced, thereby facilitating the colonization of probiotics in the intestinal microbiota of an infant, especially significantly enriching lactic acid bacteria in an intestinal tract, while reducing unclassified bacterial family and other miscellaneous bacteria, so as to improve the content of immune factors in the intestinal tract and reduce the incidence of intestinal disease. The formula is applicable to the development of formula milk powder for infants and older infants.

Dispositif de verrouillage automatique pour chaines a neige antiderapantes

La présente invention concerne un dispositif de verrouillage automatique pour chaîne à neige, laquelle chaîne à neige comporte une serrure à cliquet et une chaîne antidérapante ; séparément fixée sur l'extérieur d'un fermoir et d'une carlingue, qui s'étend dans trois directions, la serrure à cliquet étant utilisée pour rendre la chaîne antidérapante proche du pneu d'automobile. La méthode de contrôle de la serrure à cliquet adopte la pression vers le bas de deux boutons latéraux pour réaliser la commande de la serrure à cliquet. Une telle action de pression est simple et peut s'effectuer d'une seule main. La structure globale simple et fiable se conforme avec l'habitude de contrôle de la foule d'utilisation.

Un tipo de dispositivo de bloqueo y ajuste automático para ser utilizado en las cadenas antideslizantes a prueba de nieve

Image Stitching Method for Stitching Product

The present application discloses an image stitching method for a stitching product, which includes: step 1 : providing a chip design layout of the stitching product; step 2 : designing a mask layout according to the chip design layout, including: step 21 : setting unit mask images; step 22 : merging logic images or cutting path images of adjacent areas between unit regions together to set corresponding peripheral mask images; step 23 : merging the same peripheral mask images into one; step 24 : constituting a mask layer by using the unit mask images and each peripheral mask image, and forming the mask layout on a mask; step 3 : performing repeated exposure to form the stitching product. The present application can reduce the number of mask images, the number of times of exposure and the time of exposure.

Circuito de fonte de alimentação de histerese

A presente invenção revela um circuito de fonte de alimentação histerético que compreende: um circuito de entrada (102), um circuito de combinação de comutação (104), um circuito de controle e amostragem (108), um circuito de retroalimentação (106) e um circuito de saída (110). O circuito de entrada (102) é conectado a um terminal de entrada de fonte de alimentação, e retifica uma entrada de fonte de alimentação e fornece proteção de isolamento para o terminal de entrada. O circuito de combinação de comutação (104) é conectado ao circuito de entrada (102), e é ligado ou desligado para controlar a potência de saída do terminal de saída de fonte de alimentação. O circuito de controle e amostragem (108) amostra a tensão de saída e compara a tensão de saída com a tensão de referência, e controla o circuito de combinação de comutação para ser ligado ou desligado de acordo com o resultado da comparação. O circuito de retroalimentação (106) é conectado entre o circuito de combinação de comutação (104) e o circuito de controle e amostragem (108). O circuito de combinação de comutação (104) emite um sinal de retroalimentação positivo para o circuito de controle e amostragem (108) através do circuito de retroalimentação (106), e o sinal de retroalimentação positivo ocasiona um efeito de histerese sobre (...).

Infant formula milk powder rich in milk fat globule membrane protein, phospholipids and oligosaccharides and preparation method therefor

An infant formula milk powder is rich in milk fat globule membrane protein, phospholipids, and oligosaccharides. A preparation method includes using raw cow milk as raw material, cleaning and pre-sterilizing raw cow milk, adding MFGM-rich whey protein powder, α-lactalbumin powder, galactooligosaccharides, polyfructoses and other ingredients into the pre-sterilized raw cow milk, and performing pre-sterilization, homogenization, sterilization, concentration, and spray drying. By means of formula adjustment, the contents of biologically active substances having special functional components such as MFGM-protein, lactoferrin, α-lactalbumin, total galactooligosaccharide, total polyfructose, sialic acid, total phospholipid, sphingomyelin, lecithin, phosphatidylserine, phosphatidylethanolamines, phosphatidylinositol, ganglioside, triglyceride and diglyceride in the infant formula milk powder are increased, thereby facilitating the colonization of probiotics in the intestinal microbiota of an infant, especially significantly enriching lactic acid bacteria in an intestinal tract, while reducing unclassified bacterial family and other miscellaneous bacteria.

一种教学用灯座

本实用新型涉及一种教学用灯座，包括基板、灯座组件和一对接线柱，灯座组件包括第一接触极和第二接触极，第一接触极由金属丝弯折而成，第一接触极的一端弯折成螺旋柱状构成灯头插口，第一接触极的另一端与接线柱电连接，所述第二接触极包括一块呈长方体状的金属板，金属板的一端且位于灯头插口正下方设置有供灯头插放的插孔，插孔的内孔径由上而下逐渐减小，所述金属板的另一端与另一接线柱电连接；基板上表面且位于金属板和灯头插口之间设置有辅助定位固定灯头的辅助固定组件。本实用新型提供了一种灯头安放接触稳定、固定灯牢固且灯不易脱落的教学用灯座。

Method for evaluating milk products according to lipidic components

The present application relates to a method for evaluating dairy products based on lipid components. The method is carried out according to the following steps: (1) establishing local breast milk glyceride database; (2) collecting and pretreating to-be-evaluated dairy product samples; (3) measuring the contents of characteristic glycerides in the to-be-evaluated dairy product samples; and (4) calculating the scores G of the to-be-evaluated dairy product samples based on the following formula: G=100−∑100×HiHt×Hih/l−AiAi; in the formula, Hih/l={1.3Hi,Ai>1.3HiAi,1.3Hi≥Ai≥0.7Hi0.7Hi,Ai<0.7Hi; wherein, H_i is the content of characteristic glyceride i in breast milk, H_t is the content of total glycerides in breast milk, and A_i is the content of the characteristic glyceride i in the sample. The present application evaluates infant formula and raw and auxiliary materials in multiple dimensions from two aspects of composition and content of glyceride, thereby objectively evaluating the nutritional level of dairy products or raw and auxiliary materials in a molecular level, which has certain guiding significance for subsequent simulation of breast milk.

Marker Set For Evaluating The Development Of Infant’S Communication Ability And Use Thereof

The present invention provides a marker set for evaluating the development of an infant's communication ability. The marker set is composed of the following fatty acids: C18:3n6, C18:2n6t, C20:3n3, C18:3n3, C18:2n6c, C20:4n6, C20:3n6, C22:6n3, and C20:5n3. The present invention further provides a method for evaluating the development of an infant's communication ability using the marker set. The present invention achieves the evaluation on the development of an infant's communication ability by extracting and detecting the contents of particular fatty acids in a breast milk or dairy product sample fed to an infant, and the development level of the infant among the peers can be inferred based on the evaluation result, so as to give suggestions relevant to diet and nutrition for the mother timely. The method is low in cost, simple and effective, and suitable for large-scale evaluation. 10

Method for measuring content of whey protein and content of casein in powdered milk and/or ratio of two

Method for preparing milk oligosaccharide, oligosaccharide powder prepared using same, and food

The present application relates to the technical field of further processing of dairy products, and in particular to a preparation method of milk oligosaccharides, and milk oligosaccharide powder and food prepared thereby. The preparation method comprises the steps of: performing ultrafiltration of whey liquid for at least three times, subjecting the ultrafiltration permeate to nanofiltration concentration for several times, then subjecting the nanofiltration retentate to chromatographic separation and purification, collecting chromatographic collection liquid containing sialyllactose while removing the fraction containing lactose, subjecting the collection to desalination and drying to obtain oligosaccharide powder. The milk oligosaccharides prepared by the present method and the food product containing the same comprise basically bovine milk oligosaccharides, which are light yellow or white in color, light in flavor, uniform in size, and have good thermal stability and solubility. The milk oligosaccharides mainly comprise 3'-sialyllactose and 6'-sialyllactose.

Combined fertilizer for tobacco and fertilization method therefor

The present disclosure belongs to the technical field of agricultural fertilizers, and discloses a combined fertilizer for tobacco, including: 45-80% of an inorganic fertilizer and 20-55% of an organic fertilizer in terms of the percentage of nitrogen in the total application amount; wherein a weight ratio of N:P2O5:K2O in the organic fertilizer is 1.5-3:1:4-6; and the inorganic fertilizer consists of a compound fertilizer, potassium nitrate and potassium sulfate. According to the combined fertilizer for tobacco, through compounding the inorganic fertilizer with the organic fertilizer in a specific proportion (calculated according to the nitrogen element), as a fertilizer for tobacco, a combined fertilizer of the inorganic fertilizer and the organic fertilizer which is beneficial to nutrient absorption, improves the nutrient utilization rate, and effectively reduces the incidence of tobacco mosaic disease during tobacco planting, and can improve the sensory quality of flue-cured tobacco leaves, and has lower cost is found.

Preparation method of milk oligosaccharides and oligosaccharide powder and food prepared thereby

The present application relates to the technical field of further processing of dairy products, and in particular to a preparation method of milk oligosaccharides, and milk oligosaccharide powder and food prepared thereby. The preparation method comprises the steps of: performing ultrafiltration of whey liquid for at least three times, subjecting the ultrafiltration permeate to nanofiltration concentration for several times, then subjecting the nanofiltration retentate to chromatographic separation and purification, collecting chromatographic collection liquid containing sialyllactose while removing the fraction containing lactose, subjecting the collection to desalination and drying to obtain oligosaccharide powder. The milk oligosaccharides prepared by the present method and the food product containing the same comprise basically bovine milk oligosaccharides, which are light yellow or white in color, light in flavor, uniform in size, and have good thermal stability and solubility. The milk oligosaccharides mainly comprise 3-sialyllactose and 6'-sialyllactose.

Method for extracting lipids in food and method for detecting lipids in food

Milk-derived exosome and extraction method therefor

The present application relates to a method for extracting milk-derived exosomes. The method sequentially comprises the following steps: (1) subpackaging and centrifuging raw milk, and collecting a clear liquid; (2) centrifuging the clear liquid obtained in step (1), and collecting a clear liquid in the middle layer; (3) centrifuging the clear liquid in the middle layer obtained in step (2), collecting a clear liquid, mixing the collected clear liquid with a PBS buffer solution and an exosome extraction reagent uniformly, and performing incubation; (4) centrifuging the product of step (3), retaining the precipitate, and re-suspending the precipitate with a PBS buffer solution; and (5) centrifuging the product of step (4) and collecting the supernatant to obtain the milk-derived exosome. Compared with milk-derived exosomes prepared by other methods, the milk-derived exosome prepared by the method for extracting milk-derived exosomes provided in the present application is more complete in morphology, requires less sample volume, and contains more types of milk-derived exosome proteins after separation, which is more conducive to analysis and research work.

Maternal milk powder containing probiotics and prebiotics and preparation method for maternal milk powder

Maternal milk powder and a preparation method therefor. Each 100 g milk powder comprises: (0.1-10)×10

Maternal milk powder containing probiotics and prebiotics and preparation method thereof

A maternal milk powder and a preparation method thereof. Every 100 g of the maternal milk powder comprises: (0.1-10)×10 8 CFU of probiotics, 1-10 g of FOS; wherein, probiotics comprise Lactobacillus helveticus, Lactobacillus rhamnosus, Lactobacillus acidophilus, Bifidobacterium longum, Bifidobacterium animalis , and Bifidobacterium bifidum with a CFU ratio of 20-40:20-40:1-10:10-20:10-20:1-10. The maternal milk powder can effectively inhibit the proliferation of harmful bacteria in the intestinal tract of pregnant women, promote the health of intestinal microecology, improve immunity, relieve postpartum depression, etc. by adding six kinds of safe, stable and efficient probiotics and FOS.

Lactobacillus plantarum from breast milk and use thereof

Provided are a breast milk-derived Lactobacillus plantarum and use thereof. The breast milk-derived Lactobacillus plantarum, which was screened from healthy breast milk, is classified and named as Lactobacillus plantarum and has an accession number of CGMCC NO. 19748. It has strong adhesion, has an inhibitory effect on 8 commonly known pathogenic bacteria, and is susceptible to 8 antibiotics, and also has strong acid resistance and bile salt resistance.

Breast Milk-Derived Lactobacillus Plantarum HM-P2 and Use Thereof

The present application relates to the field of microorganisms, particularly to a breast milk-derived Lactobacillus plantarum HM-P2, a bacterial agent and composition comprising the same, and a use thereof The breast milk-derived Lactobacillus plantarum HM-P2 provided by the present application is screened from healthy breast milk, has an extremely high bile salt resistance ability, can well resist a high bile salt environment (such as small intestine) in a human body, and has a strong bacteriostatic effect on pathogenic Escherichia coli and/or Staphylococcus aureus, and meanwhile has a certain safety on organisms. Therefore, the breast milk-derived Lactobacillus plantarum HM-P2 of the present application is expected to be developed and applied to food industry. 17

Lactobacillus plantarum from breast milk and use thereof

集成车载充电机的电压转换电路及开关电源

本实用新型实施例公开了一种集成车载充电机的电压转换电路及开关电源，输入电路与磁性元件的第一端连接，磁性元件的第二端与输出电路连接，第一子输入电路与第二子输入电路串联，第一子输入电路分别与磁性元件的原边绕组的第一端口以及第二端口连接，第二子输入电路分别与磁性元件的原边绕组的第三端口以及第四端口连接；第一、第二子输入电路基于输入的高电压信号分别产生第一、第二电压信号，第一、第二电压信号在磁性元件中分别产生同方向的第一、第二磁通量，第一、第二磁通量叠加的第三磁通量通过磁性元件的副边绕组产生感应电动势，感应电动势通过输出电路产生低电压信号。采用本实用新型实施例可提高电路的输入电压的适配范围。

Method for qualitatively detecting acidic oligosaccharides in human milk

The present application relates to a method for qualitatively detecting acidic oligosaccharides in human milk, which is carried out successively according to the following steps: (1) centrifuging human milk to remove upper-layer fats and proteins, and taking a middle layer of the centrifuged product; (2) adding ethanol to the middle-layer product, and conducting standing reaction; (3) centrifuging the reaction product and taking a supernatant; (4) adsorbing the supernatant via a chromatography column, washing the column with ultrapure water, subsequently eluting the column with a sodium chloride solution, and then collecting an eluent; and (5) analyzing the eluent via liquid chromatography-mass spectrometry. The method for qualitatively detecting acidic oligosaccharides in human milk provided by the present application can be used for correct qualitative determination of 9 acidic oligosaccharides from a human milk sample through improvement of the extraction process and liquid chromatography and mass spectrometry parameters. Meanwhile, this method also has good repeatability, and is applicable to large-scale analysis work of human milk samples.

一种教学用滑动变阻器

本实用新型涉及一种教学用滑动变阻器，包括一对绝缘支座、固定在两个绝缘支座之间的电阻管、滑动极组件，电阻管上方平行设有导杆，滑动极组件可滑动地设在导杆上，电阻管两端设有两根分别与电阻丝两端连接的第一接线柱，导杆一端上设有与滑动极组件电连接的第二接线柱，两个绝缘支座上设有用于控制滑动极组件横移滑动的滑动调节组件，滑动调节组件包括调节螺杆以及调节块，调节块设在滑动极组件顶部，调节块侧壁上贯穿设有调节螺孔，调节螺杆一端转动设在绝缘支座上，另一端旋过调节螺孔后转动贯穿另一个绝缘支座，调节螺杆一端连接有调节旋钮。本实用新型提供了一种便于对滑动极组件位置调整、电阻值调整精确度高且教学效果好的教学用滑动变阻器。

Method for qualitatively detecting neutral oligosaccharides in human milk

The present application relates to a method for qualitatively detecting neutral oligosaccharides in human milk, which is carried out according to the following steps: (1) centrifuging human milk to remove upper-layer fats and proteins, and taking a middle layer of the centrifuged product; (2) adding ethanol to the middle-layer product, and performing standing reaction; (3) centrifuging the reaction product and taking a supernatant; (4) loading the supernatant onto a first chromatography column for adsorption, eluting the column with ultrapure water, collecting an eluent, and blowing the eluent to be dried with nitrogen; and (5) redissolving the dried elution product, and loading the redissolved product onto a second chromatography column, eluting the column with an ultrapure aqueous solution of 0.1-0.5% TFA, and collecting an eluent; and (6) analyzing the eluent collected in step (5) via liquid chromatography-mass spectrometry, wherein post-column solution addition is performed in the process of liquid chromatography, and the added reagent is a methanol solution of formic acid. The method for qualitatively detecting neutral oligosaccharides in human milk provided by the present application can perform qualitative determination on 17 neutral oligosaccharides in human milk through specific selection of the extraction process and liquid chromatography and mass chromatography parameters, and accurately conduct qualitative determination on 7 kinds of these neutral oligosaccharides through precise mass spectrometry fragment information.

一种教学用安培力演示器

本实用新型涉及教育模型技术领域，尤其是涉及一种教学用安培力演示器。本实用新型的技术方案是这样实现的：一种教学用安培力演示器，包括基板、设置在基板上的轨道、设置在轨道的一端的弹射装置以及安装在基板上用于连接磁场电路的接线柱，其特征在于：所述基板的下侧边上可拆卸安装有支撑脚、所述基板的背面设置有纵向滑轨；所述纵向滑轨上设置有与其滑动连接的支持部；所述支持部包括滑板、活动座以及支撑杆；所述滑板与纵向滑轨滑动连接；且滑板的中部固定安装有转轴，活动座的底板套设在转轴上且与转轴转动连接；所述支撑杆的一端转动按在活动座上；所述基板上固定安装有用于收纳支撑杆的收纳件。本实用新型的实用性强，易于推广。

Method for multidimensional evaluation of the similarity of samples to breast milk

The present invention relates to a method for multidimensional evaluation of the similarity of a sample to breast milk, wherein the method is performed in the following steps: (1) establishing a local breast milk phospholipid database; (2) collecting and pretreating a sample to be evaluated; (3) determining the contents of characteristic phospholipid subclasses, the contents of characteristic phospholipid molecules in the sample to be evaluated, and obtaining a microstructural image of milk fat globules in the sample by confocal laser scanning microscopy; (4) calculating the score G for the sample to be evaluated. The present invention evaluates the similarity of samples to breast milk based on phospholipids in three aspects: the composition of characteristic phospholipid subclasses, the composition of characteristic phospholipid molecules, and the morphological similarity evaluation, so that the scheme can better evaluate the simulation quality of infant formulas and their raw and auxiliary materials to breast milk based on phospholipids. 21

Vorrichtung zum erfassen von vitalparametern in einem ohr eines menschen und verfahren zum messen von vitalparametern eines menschen

Die vorliegende Erfindung bezieht sich auf eine Vorrichtung (1) zum Erfassen von zumindest zwei Vitalparametern. Diese Vorrichtung weist dabei auf: Eine optische Sensoreinrichtung (2) zur Erfassung von mindestens einem Vitalparameter eines Lebewesens (4), wobei die optische Sensoreinrichtung (2) eine Strahlungsquelle (6) zum Emittieren von Strahlung (7) und einen Strahlungsdetektor (8) zum Detektieren von Strahlung (7) aufweist, wobei die Strahlungsquelle (6) und der Strahlungsdetektor (8) nebeneinander angeordnet sind, einen länglichen Einbringanteil (12) zum Einbringen in einen Gehörgang (14) und zum Positionieren der optischen Sensoreinrichtung (2) in einem von Knochen umgebenen Anteil (16) des Gehörgangs (14), wobei die optische Sensoreinrichtung (2) an dem länglichen Einbringanteil (12) angeordnet ist oder Bestandteil davon ist und wobei ein Temperatursensor (18) zur Erfassung der Körperkerntemperatur an dem länglichen Einbringanteil (12) angeordnet ist oder Bestandteil davon ist, ein mit dem Einbringanteil (12) gekoppelter, insbesondere lösbar gekoppelter, Auswerteanteil (20), wobei der Auswerteanteil (20) und die optische Sensoreinrichtung (2) zumindest zeitweise, insbesondere in einem gekoppelten Zustand, signaltechnisch miteinander verbunden sind.

集成车载充电机的电压转换电路及开关电源

本实用新型实施例公开了一种集成车载充电机的电压转换电路及开关电源，输入电路与磁性元件的第一端连接，磁性元件的第二端与输出电路连接，第一子输入电路与第二子输入电路串联；电容C S 用于均分输入第一子输入电路和第二子输入电路的高电压信号；第一子输入电路和第二子输入电路基于输入的高电压信号分别产生第一、第二电信号，第一电信号与第二电信号的大小相同，第一、第二电信号在磁性元件中分别产生第一、第二磁通量，第一磁通量与第二磁通量的大小和方向均相同，第一、第二磁通量叠加的第三磁通量通过磁性元件的副边绕组产生感应电动势，感应电动势通过输出电路产生低电压信号。采用本实用新型实施例可提高电路的输入电压的适配范围。

Clothes treating device including drawer panel

The invention relates to a clothes treating device (100) including a drawer panel (10). The drawer panel (10) includes: a first portion (12), including a first front surface (14), a first rear surface (16), an assembling portion (18), and a decoration portion (20) at least partially enclosing the assembling portion (18); and a second portion (22), engaged with the first rear surface (16) and including a mounting portion (24). In this way, the first portion (12) of the drawer panel (10) of the clothes treating device (100) can be easily replaced.

Method for detecting contents of whey protein and casein, and/or ratio thereof in milk powder

The present disclosure relates to a method for detecting the contents of whey protein and casein, and/or the ratio thereof in milk powder by liquid chromatography-mass spectrometry. According to the method of the present disclosure, the characteristic peptide segments of whey protein and casein are selected and used for correction, and thus the accuracy and stability of detection of peptide segments by mass spectrometry using external standards are improved; in addition, the method of the present disclosure has the following advantages: easy to pretreat samples, low cost, a wide range of applicability, enable to perform quantitative detection of whey protein at one time, not affected by protein denaturation in the production process, no need to synthesize isotope internal standard, and avoiding influence of ionization efficiency and matrix in mass spectrometry detection by means of their own multiple characteristic peptide segment ratios.

Method for measuring content of whey protein and content of casein in powdered milk and/or ratio of two

The present disclosure relates to a method for detecting the contents of whey protein and casein, and/or the ratio thereof in milk powder by liquid chromatography-mass spectrometry. According to the method of the present disclosure, the characteristic peptide segments of whey protein and casein are selected and used for correction, and thus the accuracy and stability of detection of peptide segments by mass spectrometry using external standards are improved; in addition, the method of the present disclosure has the following advantages: easy to pretreat samples, low cost, a wide range of applicability, enable to perform quantitative detection of whey protein at one time, not affected by protein denaturation in the production process, no need to synthesize isotope internal standard, and avoiding influence of ionization efficiency and matrix in mass spectrometry detection by means of their own multiple characteristic peptide segment ratios.

Preparation method of milk oligosaccharides and oligosaccharide powder and food prepared thereby

The present application relates to the technical field of further processing of dairy products, and in particular to a preparation method of milk oligosaccharides, and milk oligosaccharide powder and food prepared thereby. The preparation method comprises the steps of: performing ultrafiltration of whey liquid for at least three times, subjecting the ultrafiltration permeate to nanofiltration concentration for several times, then subjecting the nanofiltration retentate to chromatographic separation and purification, collecting chromatographic collection liquid containing sialyllactose while removing the fraction containing lactose, subjecting the collection to desalination and drying to obtain oligosaccharide powder. The milk oligosaccharides prepared by the present method and the food product containing the same comprise basically bovine milk oligosaccharides, which are light yellow or white in color, light in flavor, uniform in size, and have good thermal stability and solubility. The milk oligosaccharides mainly comprise 3-sialyllactose and 6'-sialyllactose.

Method for preparing milk oligosaccharide, oligosaccharide powder prepared using same, and food

Panneau de porte automobile avec vide-poche amovible

Le présent certificat d’utilité concerne un panneau de porte automobile avec un vide-poche amovible, comprenant : un corps de panneau de porte ; un vide-poche installé de manière amovible sur le corps de porte, le vide-poche étant installé à une extrémité inférieure du corps de panneau de porte ; un ensemble coulissant, l’ensemble coulissant comprenant un bloc coulissant et un rail, le bloc coulissant étant relié de manière coulissante au rail, le rail étant installé de manière fixe sur le corps de porte, le bloc coulissant étant relié de manière fixe au vide-poche et le vide-poche coulissant vers l’extérieur ou vers l’intérieur le long du rail sous l’action d’une force extérieure ; et un ensemble de positionnement pour fixer le vide-poche sur le corps de panneau de porte lorsque le vide-poche est installé sur le corps de porte. Le vide-poche amovible est installé sur le panneau de porte automobile, ce qui facilite le nettoyage du vide-poche. La coopération de l’ensemble coulissant et de l’ensemble de positionnement améliore la commodité et la fiabilité du démontage et de l’installation du vide-poche. Fig. 2

一种教学演示用灯座

本实用新型涉及一种教学演示用灯座，包括基板以及灯座组件，灯座组件包括第一金属丝和第二金属丝，第一金属丝一端弯折成螺旋柱状构成灯头插口，第二金属丝一端弯折成圆盘状并设在灯头插口下方，基板上分别设有两个接线组件，两个接线组件包括两个左右对称设在基板上表面的套筒以及两个由铜导线从下而上螺旋缠绕形成呈塔状的接线弹簧，两个连接弹簧分别对应设在两个套筒中，两个接线弹簧下部外壁分别与两个套筒内壁固定连接，第一金属丝和第二金属丝一端分别对应贯穿两个套筒外壁后与两个接线弹簧底部连接，两个套筒外分别设有两个用于固定导线的固定组件，本实用新型提供了一种方便导线的固定、导线固定效果好且连接步骤简单的教学演示用灯座。

一种便携式锥形瓶清洗器

本实用新型公开了一种便携式锥形瓶清洗器，包括驱动装置、清洗胶球和传动连杆，所述驱动装置下方转动连接有转动轴，所述传动连杆有两根且关于转动轴轴线对称设置在所述转动轴上，每根所述传动连杆均与转动轴滑动连接，每根所述传动连杆底部均设有用于搅拌清洗胶球的搅拌杆，所述搅拌杆包括上半杆和下半杆，所述上半杆的顶端铰接在同侧的传动连杆底部，所述上半杆底部铰接在同侧的下半杆顶部，所述下半杆的底部铰接在转动杆底部。本实用新型的优点是：通过转动杆上的传动连杆调整搅拌杆的形状，能够适应锥形瓶瓶口狭窄的特点，再通过搅拌锥形瓶内的胶球实现锥形瓶快速、无死角的清洗，且清洗胶球一次性使用，清理完毕后随时更换，不会造成污染。

一种教学用磁悬浮演示模型

本实用新型涉及一种教学用磁悬浮演示模型，包括基板、挡板和悬浮杆，基板上表面设有供挡板插入的插槽，挡板插入在插槽中，基板上表面设有四个放置槽，该四个放置槽内部一一对应放有四块磁极方向一致的圆环状磁块，挡板侧壁上转动连接有连接组件，连接组件包括设在挡板侧壁上定位球以及连接杆，连接杆一端连接有锥形连接管，锥形连接管内径由远离连接杆的一端往另一端逐渐增大，定位球设在锥形连接管中，锥形连接管一端内径小于定位球直径，连接杆一端设有插孔，悬浮杆一端插入设在插孔中，悬浮杆上设有两块磁极方向一致并与悬浮杆轴向平行的圆环状磁块。本实用新型提供了一种演示安全性高的教学用磁悬浮演示模型。

Breast Milk-Derived Lactobacillus Plantarum HM-P2 and Use Thereof

The present application relates to the field of microorganisms, particularly to a breast milk-derived Lactobacillus plantarum HM-P2, a bacterial agent and composition comprising the same, and a use thereof The breast milk-derived Lactobacillus plantarum HM-P2 provided by the present application is screened from healthy breast milk, has an extremely high bile salt resistance ability, can well resist a high bile salt environment (such as small intestine) in a human body, and has a strong bacteriostatic effect on pathogenic Escherichia coli and/or Staphylococcus aureus, and meanwhile has a certain safety on organisms. Therefore, the breast milk-derived Lactobacillus plantarum HM-P2 of the present application is expected to be developed and applied to food industry. 17

一种全自动滴漆机

本实用新型公开了一种全自动滴漆机，涉及滴漆设备技术领域，该全自动滴漆机包括壳体、安装在壳体内的传送带机构和安装在壳体内的自动滴漆区，在壳体内从上料区至下料区依次设置为预热区、中温加热区、高温加热区、自动滴漆区、预冷区、中温制冷区和低温制冷区，预热区、中温加热区、高温加热区相互接通且其内分别安装有朝向传送带机构吹风的风机，预热区、中温加热区、高温加热区内的风机风力依次变大，高温加热区与加热装置接通；在本实用新型中仅通过分别设置一个加热装置和制冷装置即可实现了对电机转子的多个不同的加热区域和冷却区域，对比现有的不同的区域需要分别安装加热装置和制冷装置，本实用新型大幅度的节约了成本。

Laundry care machine with a thermal insulation part

Low Allan-Deviation oscillator

An oscillator includes a resonator, sustaining circuit and detector circuit. The sustaining circuit receives a sense signal indicative of mechanically resonant motion of the resonator generates an amplified output signal in response. The detector circuit asserts, at a predetermined phase of the amplified output signal, one or more control signals that enable an offset-reducing operation with respect to the sustaining amplifier circuit.

Low allan-deviation oscillator

An oscillator includes a resonator, sustaining circuit and detector circuit. The sustaining circuit receives a sense signal indicative of mechanically resonant motion of the resonator generates an amplified output signal in response. The detector circuit asserts, at a predetermined phase of the amplified output signal, one or more control signals that enable an offset-reducing operation with respect to the sustaining amplifier circuit.

Fermented milk for regulating gut health and preparation method thereof

Raw materials of a fermented milk include partially degreased raw milk, 4-10% w/w of saccharide based on the mass of the raw milk, 0.06-0.15% w/w of lactase based on the mass of the raw milk, 0.03-0.18% w/w of a stabilizer based on the mass of the raw milk, and 20-50 dcu of fermenting bacteria added per 100 kg of the raw milk; and the fermenting bacteria is one or more selected from the group consisting of Lactobacillus paracasei, Lactobacillus plantarum, Lactobacillus acidophilus, Bifidobacterium lactis and Streptococcus thermophilus, and preferably one or more selected from the group consisting of Lactobacillus plantarum with a preservation number of CGMCC No. 19748, Lactobacillus acidophilus with a preservation number of CGMCC No. 1084 and Streptococcus thermophilus . According to the fermented milk and a preparation method thereof, the prepared fermented milk has a more stable state during the shelf life.

Sound source positioning method using fisheye lens and device thereof

Obstacle recognition method for library robot based on depth image

Method for deformation control of large-span tunnel in chlorite schist stratum

A method for deformation control of large-span tunnel in chlorite schist stratum. The method divides the large deformation of large-span tunnel in chlorite schist stratum into five deformation grades according to the surrounding rock conditions of the tunnel. In response to each deformation grade, the deformation control of large-span tunnel is determined so as to ensure the safety and stability of the tunnel support structure and to avoid the clearance intrusion caused by tunnel deformation.

Low allan-deviation oscillator

An oscillator includes a resonator, sustaining circuit and detector circuit. The sustaining circuit receives a sense signal indicative of mechanically resonant motion of the resonator generates an amplified output signal in response. The detector circuit asserts, at a predetermined phase of the amplified output signal, one or more control signals that enable an offset-reducing operation with respect to the sustaining amplifier circuit.

Mecanisme de commande d'impact de type a accumulation d'energie pour cle pneumatique

Sound source positioning method using fisheye lens and device thereof

The present invention relates to the technical field of sound source positioning, in particular to a method and device for positioning a sound source by using a fisheye lens. The method is used for positioning a sound source by means of an incident straight line or an incidence angle of a sound wave in conjunction with a fisheye lens. The method and device for positioning the sound source by using the fisheye lens as provided by the present invention have the following advantages, that include, but are not limited to the followings: the method and device for positioning the sound source by using the fisheye lens as provided by the present invention make use of the characteristics of the fisheye lens to realize angular positioning instead of positional positioning. In general case, it is not necessary to calculate specific coordinates of the sound source by means of formula calculation, such that an acoustic camera can position a sound source over a wide range and a large angle. In addition, by this algorithm, the number of microphones can be reduced, so that the acoustic camera can be miniaturized, and the cost can be greatly reduced, which greatly increases the popularity of the acoustic camera.

Obstacle recognition method for library robot based on depth image

The disclosure discloses a method for detecting an obstacle based on a depth image. The method includes: step 1, choosing the pixels corresponding to a certain distance range from the collected image; step 2, denoising the image and smoothing the edges by using an erosion and expansion operation; step 3, conducting edge detection by a convolution operation; step 4, finding out the bookshelf plane, and drawing a dividing line; step 5, finding out the plane of a protruding book according to a convolution result; and step 6, filtering out the regions with a small area, and judging if there is an obstacle in the regions with large areas.

Marker set for evaluating the development of infant’s communication ability and use thereof

The present invention provides a marker set for evaluating the development of an infant's communication ability. The marker set is composed of the following fatty acids: C18:3n6, C18:2n6t, C20:3n3, C18:3n3, C18:2n6c, C20:4n6, C20:3n6, C22:6n3, and C20:5n3. The present invention further provides a method for evaluating the development of an infant's communication ability using the marker set. The present invention achieves the evaluation on the development of an infant's communication ability by extracting and detecting the contents of particular fatty acids in a breast milk or dairy product sample fed to an infant, and the development level of the infant among the peers can be inferred based on the evaluation result, so as to give suggestions relevant to diet and nutrition for the mother timely. The method is low in cost, simple and effective, and suitable for large-scale evaluation.

Detection circuit for on-board direct current/direct current (DC/DC) ground wire and on-board device

A detection circuit for the on-board direct current/direct current (DC/DC) ground wire and an on-board device are provided. The circuit includes a digital signal process (DSP) controller, a detection circuit, a standby circuit for an on-board DC/DC converter, and a power-supply negative wire for the on-board DC/DC converter. The detection circuit includes a comparator, a first conductive branch, a second conductive branch, a third conductive branch. In this way, the detection circuit is connected between the DSP controller and the standby circuit for the on-board DC/DC converter, and the detection circuit is connected between the DSP controller and the power-supply negative wire for the on-board DC/DC converter.

Fixing structure for compact disk and method for fabricating the same

Temperature measurement method and apparatus based on passive rfid tag

A temperature measurement method based on a passive RFID tag. The method comprises: acquiring a circuit temperature feature of a tag multiple times, and establishing a tag temperature-feature correspondence; and estimating, by using the tag temperature-feature correspondence and the current circuit temperature feature of the tag, the temperature of an environment where the tag is located, wherein the circuit temperature feature of the tag is the persistence time within which a passive RFID tag can operate normally during a discharging process after the tag is fully charged. By means of the method, a robust and accurate temperature measurement is achieved, and a tag can be directly deployed on an existing commercial RFID device without modifying the hardware of the tag and a reader.

Method for multidimensional evaluation of the similarity of samples to breast milk

The present invention relates to a method for multidimensional evaluation of the similarity of a sample to breast milk, wherein the method is performed in the following steps: (1) establishing a local breast milk phospholipid database; (2) collecting and pretreating a sample to be evaluated; (3) determining the contents of characteristic phospholipid subclasses, the contents of characteristic phospholipid molecules in the sample to be evaluated, and obtaining a microstructural image of milk fat globules in the sample by confocal laser scanning microscopy; (4) calculating the score G for the sample to be evaluated. The present invention evaluates the similarity of samples to breast milk based on phospholipids in three aspects: the composition of characteristic phospholipid subclasses, the composition of characteristic phospholipid molecules, and the morphological similarity evaluation, so that the scheme can better evaluate the simulation quality of infant formulas and their raw and auxiliary materials to breast milk based on phospholipids.

Method for evaluating milk products according to lipidic components