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Touch pressure detecting device and method
InactiveCN105094443ASimple structureLow costDigital data authenticationPrint image acquisitionBody regionComputer science
The invention discloses a touch pressure detecting device and method. The device comprises a fingerprint sensor module and a touch pressure calculating module. The fingerprint sensor module comprises a plurality of induction units and is used for collecting texture information data of a body part touching the fingerprint sensor module through the induction units. The touch pressure calculating module is used for calculating the touch pressure of the body part according to the collected texture information data. Therefore, touch pressure is detected through a fingerprint sensor in the prior art. According to the touch pressure detecting scheme, no additional physical hardware or structure or assembly design is needed, additional cost expense is basically avoided, and under the condition that fingerprint recognition of a mobile terminal becomes more and more popular, application and popularization are easy. Compared with a touch pressure detecting method in the prior art, the touch pressure detecting device is high in detecting sensitivity, simple in implementation structure, low in cost and small in size.
Owner:SHENZHEN GOODIX TECH CO LTD
Material recycling device based on Ad Hoc network
InactiveCN103226870AEasy to operateImprove reliabilityCo-operative working arrangementsReturnable containers actuationPaymentBarcode
The invention discloses a material recycling device based on an Ad Hoc network. After an IC card reading module indentifies personal information, a material identification sensor module is placed at a material throwing-in port, a recycling material bar code or two dimensional code is obtained through laser scanning, the materials to be thrown in are identified automatically, and material information is acquired; after identification succeeds, a machine module controls the material throwing-in port to open through a motor to allow the materials to be put in, and a storage box is used for storing the received materials / the materials put in; and a wireless data transmission module uploads material information to a central processor module, the central processor module controls a fund flow module to pay fund to a seller, and the material information and fund payment information are uploaded through the Ad Hoc network. According to the device, the material information is acquired through material identification, all information is uploaded to a community processing center through a wireless data transfer radio Ad Hoc network, and fund is paid to the seller according to a market price. The operation is simple, the reliability and the practicability are high, and popularization and application are facilitated.
Owner:ZHONGBEI UNIV
High-light-shading acrylonitrile butadiene styrene (ABS) composite material and preparation method thereof
The invention relates to the technical field of modification of acrylonitrile butadiene styrene (ABS) materials and in particular relates to a high-light-shading ABS composite material and a preparation process thereof. The ABS composite material consists of the following raw materials in percentage by weight: 70 to 90 percent of ABS resin, 5 to 15 percent of an inorganic filler, 0 to 15 (0 to 10) percent of a styrene-butadiene copolymer, 0 to 10 (0 to 5) percent of a flexibilizer, 0.1 to 0.5 percent of an antioxidant, 0.1 to 0.5 percent of a light stabilizer, 0.1 to 0.5 percent of a lubricating agent and 0.2 to 1.0 percent of a coupling agent. The high-light-shading ABS composite material has white appearance and high light-shading performance, meets the requirements of shells of IT equipment and lampshades of lighting lamps on high light-shading performance and light aging resistance, and has high surface gloss.
Owner:GUANGDONG SILVER AGE SCI & TECH CO LTD
Integrated monitoring and early warning system for geological mountain torrent disaster and realization method thereof
InactiveCN105678966AImprove warning effectQuickly gain economies of scaleHuman health protectionAlarmsEarly warning systemIntegrated monitoring
The invention discloses an integrated monitoring and early warning system for a geological mountain torrent disaster and a realization method thereof. The system comprises an early warning platform and at least one wireless sensor network. The wireless sensor network consists of an intelligent gateway and a plurality of monitoring piles; and the monitoring piles include a flood monitoring pile that is used for monitoring a water flood level alarming grade and an inclination angle of the pile body and a vibration monitoring pile that is used for monitoring an acceleration and an inclination angle due to an impact on the pile body. And the monitoring piles also have field warning functions. The data of the monitoring piles are sent to the early warning platform by the intelligent gateway; and the early warning platform displays the monitoring data information on a GIS information map in real time and displays the information in real time for early warning for the public in a web mode. According to the invention, after the functions are localized at the system network, the economics of scale due to data collection are obtained rapidly. Therefore, a novel technical scheme is provided for monitoring and early warning of the geological disasters.
Owner:张晓华
Laser for outputting radial polarized light beam
InactiveCN101552425AHigh beam qualityEasy to processOptical resonator shape and constructionOptical elementsDrift angleRefractive index
A laser for outputting radial polarized light beam comprises a pumping source, is characterized in: a pumping light shaping and coupling apparatus, a front cavity mirror, a laser medium, a Brewster shaft vertebra mirror and a rear cavity mirror are disposed successively along the direction of the pumping light from the pumping source; the centered wavelength of the pumping light from the pumping source is the same with the absorption wavelength of the laser medium; the pumping light passes through the pumping light shaping and coupling apparatus and is focused onto the laser medium; and the Brewster shaft vertebra mirror is made of high refractive index material, has a drift angle twice of the complementary angle of the Brewster angle. The invention achieves the advantages of simple structure, low cost, good quality of outputted radial polarized light beam.
Owner:SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
Method for producing gelatine powder under normal temperature by using waste tires
InactiveCN101670625ALow investment costLow production costSolid waste disposalPlastic recyclingTire beadRoom temperature
The invention discloses a method for producing gelatine powder under normal temperature by using waste tires, which relates to the technical field of producing gelatine powder under normal temperatureby using waste rubber products, and comprises the detailed steps of: a. separating a tire bead; b. crashing the tire; c. separating steel wires; d. magnetically separating for the first time; e. screening for the first time; f. magnetically separating for the second time; g. screening for the second time; and h. screening for the third time. The method has simple technique, is convenient for large-scale industrial production, and has lower investment and production cost; the grain diameter quality of the produced gelatine powder is stable; moreover, the method can produce the gelatine powderwith different grain diameter specifications, thus meeting the demands of different users.
Owner:SICHUAN LESHAN YALIAN MACHINE
Super-specular anti-scraping transfer film and preparation method thereof
InactiveCN103434233AImprove adhesionStrong specular glossDuplicating/marking methodsSynthetic resin layered productsPolymer sciencePolyethylene terephthalate glycol
The invention relates to the technical field of transfer films, in particular to a super-specular anti-scraping transfer film and a preparation method thereof. The preparation method of the super-specular anti-scraping transfer film comprises the following steps that a PET (Polyethylene Terephthalate) thin film is taken; waterborne polyurethane, an alcohol organic solvent and water in parts by weight are mixed and stirred uniformly, and blended into waterborne release dope; the surface of the PET thin film is coated with the blended waterborne release dope to form a waterborne release coating layer; the waterborne release coating layer is dried to be a waterborne release layer; a semifinished PET thin film loaded with the waterborne release layer is prepared; the outer surface of the waterborne release layer is coated with information coating layer dope to form an information coating layer; a vacuum aluminum coated layer and a gum application layer are arranged on the surface of the information coating layer sequentially; and the finished super-specular anti-scraping transfer film is prepared. The super-specular anti-scraping transfer film is high in scraping resistance, and high in specular glossiness, and the preparation method of the super-specular anti-scraping transfer film is simple in technology and high in production efficiency.
Owner:DONGGUAN GUODING OPTICAL MEMBRANE TECH
Water-based matt handfeel oil and preparation method thereof
ActiveCN103031050AImprove performanceStrong adhesionAntifouling/underwater paintsPaints with biocidesPolyesterPolymer science
The invention relates to the technical field of preparation of handfeel oil, in particular to water-based matte handfeel oil and a preparation method thereof. The water-based matt handfeel oil consists of the following raw materials in part by weight: 72 to 87 parts of matt resin, 7 to 14 parts of bright resin, 2 to 5 parts of alcohol, 1 to 4 parts of water, 1 to 4 parts of handfeel agent, 0.5 to 1.5 parts of anti-sticking agent, 2 to 4 parts of flatting agent, 2 to 8 parts of wear-resistant agent, 0.1 to 1.5 parts of mildew preventive, 0.2 to 0.6 part of defoaming agent, 0.2 to 0.8 part of thickening agent and 0.5 to 1.4 parts of handfeel crosslinking agent. By adoption of polyester polyol and aziridine crosslinking agent, the wear resistance, the attachment fastness and the chemical resistance of the handfeel oil are greatly improved and high practicability is achieved. The preparation method is simple in process, low in production cost and favorable for popularization and application.
Owner:广东佳景科技股份有限公司
High light-transmittance and high light-shielding polystyrene composition and preparation method of composition
The invention relates to the technical field of polystyrene composition, particularly to high light-transmittance and high light-shielding polystyrene composition. The high light-transmittance and high light-shielding polystyrene composition is prepared from the following materials by weight: 98.2%-99.6% of polystyrene, 0-1% of silicon light diffusing agent, 0.1-0.2% of a lubricating agent, 0.1-0.2% of a dispersing agent, 0.1-0.3% of antioxidant A and 0.1-0.2% of antioxidant B. The preparation method comprises the steps of uniformly agitating the constituents except for polystyrene by a high-speed mixer; putting the polystyrene and the uniformly mixed materials into the high-speed mixer to carry out three-segment agitation, and extruding and pelletizing the uniformly mixed materials by a double-screw extruder. The polystyrene composition disclosed by the invention is high in light transmittance, high in light shielding property, good in impact strength, good in balance of haze and light transmittance, high in structure strength of the prepared product, simple in process, low in production cost and beneficial for generalization and application.
Owner:GUANGDONG SILVER AGE SCI & TECH CO LTD
Method and system for detecting phase noise
InactiveCN101551419ARealize detectionEasy to detectVoltage-current phase anglePhase noisePhase locked loop circuit
The present invention discloses a method and system for detecting phase noise belongs to electronic measurement technology field. The method includes: according to frequency of a signal source to be measured and measuring frequency range to choose corresponding phase-looked loop circuit; the phase-looked loop circuit tracking phase-locked the signal source to be measured; checking the phase-looked tracking is completed or not, if yes, then collecting the amplified phase noise signal outputted by the phase-looked loop circuit; transforming the phase noise signal into frequency domain signal and proceeding logarithm processing and scaling processing to the frequency domain signal, then drawing a phase noise graph according to the results of the logarithm processing and the scaling processing. The system includes a selection module, a phase-locked module, a checking collection module and a processing module. The invention provided method of detecting phase noise is easy to implement, and the supporting hardware system is simple, which is convenient to spread and use.
Owner:沈明
Method for reducing diffusion temperature of magnesium alloy surface spraying coating
InactiveCN101161853AIncreased diffusion rateImprove diffusion abilityMolten spray coatingNano sizeThermal spraying
The invention provides a method for reducing the diffusion temperature of spraying coating of magnesium alloy surface. First, nanocrystallization treatment is done on the magnesium alloy surface before the hot spray coating is done on the magnesium alloy matrix surface, which ensures the thinning of the crystal grain on the magnesium surface to the size of nanometer and eliminates the roll scale of the magnesium surface and coarsening to increase the mechanical riveted bonding force of matrix and coating; and then the magnesium alloy surface is hot sprayed by aluminum or zinc or a zinc / aluminium complex coating; finally, the magnesium alloy is treated to preserve heat in an ordinary heat treatment furnace at a temperature of 200 to 400 degrees, which facilitates the coating and the matrix to form metallurgical bonding. The invention adopts the surface nanocrystallization technique, which can not only reduce the diffusion temperature of spraying coating of magnesium alloy surface, but also avoid the necessary sand blasting pretreatment technology before spray finishing. In addition, special processing step is not needed, which eliminates the roll scale of the matrix surface and coarsening surface and ensures that a layer of nanocrystal is formed on the magnesium alloy matrix surface, thereby saving the processing time before spray finishing and raising the productivity effect.
Owner:重庆工学院
Comprehensive soda ash producing process and product application thereof
ActiveCN102531001AIncrease profitReduce manufacturing costCalcium/strontium/barium nitratesAmmonium halidesSodium bicarbonateProcess engineering
The invention relates to the technical field of soda ash production, and especially relates to a comprehensive soda ash producing process and product applications thereof; the process comprises the following process steps: introducing ammonia gas into a saturated sodium chloride solution to prepare ammoniacal brine; introducing carbon dioxide generated in limestone calcination into the ammoniacal brine to generate a mixture of sodium bicarbonate, sodium chloride and ammonium chloride; filtering the mixture to obtain sodium bicarbonate, sodium chloride and ammonium chloride; calcining the sodium bicarbonate to generate soda ash and carbon dioxide, recycling the carbon dioxide; adding sodium chloride fine powder and ammonia gas into the mixed filtrate of ammonium chloride and sodium chloride to generate ammonium chloride and sodium chloride solutions; separating impurities from the sodium chloride solution by a membrane filter, recycling the sodium chloride solution. The process has the advantages of low production cost, high soda ash whiteness, high sodium chloride utilization rate, no water waste or solid waste generation, environment protection, safety, simple processes, full use of geographic advantages in our country, low raw material purchase cost, waste change into things of value, high economic benefits, and good social benefits.
Owner:GUANGDONG DAZHONG AGRI SCI CO LTD
Identity authentication method and system based on biological characteristics and memory medium
ActiveCN107332659AImprove securityWill not cause lossKey distribution for secure communicationBiometric dataCiphertext
The invention discloses an identity authentication method based on biological characteristics and relates to the technical field of biological characteristic data processing. The method comprises the steps of obtaining and reconstructing identity information of a registered user; collecting biological characteristic information of the registered user and generating biological characteristic data; through adoption of a preset key generation method, generating an encryption key through utilization of the biological characteristic data of the registered user; encrypting the reconstructed identity information through utilization of the encryption key, thereby generating a ciphertext; collecting the biological characteristic information of a to-be-authenticated user and generating the biological characteristic data; generating a decryption key through utilization of the biological characteristic data of the to-be-authenticated user; decrypting the ciphertext through utilization of the decryption key and generating a plurality of pieces of decrypted data; and screening the decrypted data consistent with a reconstruction rule, carrying out reverse reconstruction to generate to-be-identified data, screening the to-be-identified data with the highest occurrence frequency as the identity information of the to-be-authenticated user, and judging the user as the registered user. The invention also discloses another identity authentication method based on the biological characteristics.
Owner:武汉真元生物数据有限公司
Method for realizing high voltage of monomer battery, preparation of monomer battery and battery pack manufacturing method of monomer batteries
InactiveCN107978800AReduce volumeReduce cascadeCell electrodesFinal product manufactureElectrical batteryAdhesive
The invention discloses a method for realizing high voltage of a monomer battery, preparation of a monomer battery and a battery pack manufacturing method of the monomer batteries. The high-voltage monomer battery comprises a positive plate (3), a diaphragm (4), a negative plate (6), a diaphragm (4), ..., a positive plate (3), a diaphragm (4), a negative plate (6), a diaphragm (4) and a monomer battery flexible package membrane (8), wherein the diaphragms (4) are arranged between the positive plates (3) and the negative plates (6) in a spacing manner, and space the negative plates (6) and thepositive plates (3) in sequence; an aluminum plastic membrane (shell) is wrapped on the outermost side; a positive electrode comprises a positive electrode current collector and an active substance Alayer; the active substance A layer is prepared from 95.0 to 99.0 percent of an active substance A, 0.5 to 3.0 percent of a conductive agent and 0.5 to 2.0 percent of an adhesive; a negative electrodecomprises a negative electrode current collector and an active substance B layer; the active substance B layer is prepared from 95.0 to 99.0 percent of an active substance B, 0.5 to 2.0 percent of aconductive agent, 0 to 1.0 percent of a thickening agent and 0.5 to 3.0 percent of an adhesive. The monomer battery disclosed by the invention is high in voltage, and relatively high in volume energydensity and rate performance.
Owner:华动智慧信息技术(深圳)有限公司
System for automatically generating three-dimensional figure of picture for game
InactiveCN101968891AAutomatic generatedNatural fusion3D-image rendering3D modellingGraphicsAnimation
The invention discloses a system for automatically generating a three-dimensional figure of a picture for a game. The system comprises an image input and analysis module, an automatic characteristic point generation module, a characteristic point adjustment module, a skeleton system adjustment module, a covering application module, a picture block generation module, a block fusion module and an application module, wherein the image input and analysis module, the automatic characteristic point generation module, the characteristic point adjustment module and the skeleton system adjustment module are connected in turn; an output end of the skeleton system adjustment module is connected with input ends of the covering application module and the picture block generation module in parallel; the output end of the picture block generation module is connected with the input end of the block fusion module; and the input end of the application module is connected with the output ends of the covering application module and the block fusion module in parallel. The system can automatically generate a characteristic three-dimensional model head portrait which meets a front face image, and the actual picture and the block of a model are fused naturally, so that natural face animation can be performed, and the system has low cost, is simple to operate and is particularly suitable for game making, computer graphic (CG) making and three-dimensional music video (MV) making.
Owner:上海冰动信息技术有限公司
Method for improving reality of power grid dispatcher training simulation system
ActiveCN103177642AEasy to popularize and applyReduced popularityEducational modelsTraining planSCADA
The invention discloses a method for improving the reliability of a power grid dispatcher training simulation system. The method comprises the following steps that: (1) at a plant station end of a teacher machine simulation actual system, an EMS system sends the data of a DTS server as the acquired data through a firewall; (2) at a master station end of a student machine simulation actual system, the function and the interface of an SCADA system at the master station end are copied to form an SCADA copy; (3) a teacher generates a training state on the DTS server, can adjust the power, modify the section, set the fault and the like to form a corresponding training plan, and sends the training plan to the SCADA copy; and (4) a student operates a simulation power grid in the environment of the SCADA copy to finish the training. According to the invention, a database of a DTS system is refreshed in the case of any change or upgrade of the SCADA system, and complete consistence with the new function of the SCADA system can be realized, thereby reducing the re-development process of the system, greatly reducing the cost and time and realizing good upgradability.
Owner:FOSHAN POWER SUPPLY BUREAU GUANGDONG POWER GRID
Insulation heat conduction polypropylene composition for light emitting diode (LED) lamp and preparation method thereof
The invention relates to the technical field of the preparation of polypropylene, and in particular relates to an insulation heat conduction polypropylene composition for a light emitting diode (LED) lamp. The insulation heat conduction polypropylene composition consists of the following raw materials by weight percent: 20 to 60 percent of polypropylene resin, 20 to 60 percent of heat conducting agent, 5 to 30 percent of fire retardant, 1.2 to 10 percent of fire-resisting synergist, 0.3 to 2 percent of lubricant, 0.1 to 1 percent of sorbitol nucleating agent, 0.2 to 3 percent of silane coupling agent or titanate coupling agent, 0.1 to 0.5 percent of main antioxidant, 0.1 to 0.5 percent of auxiliary antioxidant and 0.1 to 0.5 percent of light stabilizer. The flame resistance of the polypropylene composition can reach V0, the heat conduction coefficient is about 0.7, the insulation performance and the heat conduction performance are good, the heat radiation requirement of the LED illumination lamp can be met, and the insulation heat conduction polypropylene composition is suitable for extruding and molding a light emitting diode (LED) heat radiating lamp holder and has the characteristics of easiness in machining, long efficiency, high heat conduction performance.
Owner:傅轶
Automatic checking system used in ticket business, and checking method
InactiveCN102339487AEnsure smooth flow without congestionSave human effortClosed circuit television systemsSensing record carriersComputer moduleRadio frequency
The invention discloses an automatic checking system used in ticket business, and a checking method. The system comprises cameras, a radio frequency tag card, radio frequency recognizers, a video checking server, a ticket business system server, and a low frequency triggering panel. The cameras are arranged on the two sides of or above a video checking zone and a radio frequency recognizing and checking zone. The radio frequency recognizers are arranged on the two sides of the radio frequency recognizing and checking zone. An ID number of a recognized radio frequency tag card is transmitted to the ticket business system server by the radio frequency recognizers. Figure identification is carried out upon video images by a video checking module of the video checking server. Two-dimensional tag information of the figure is transmitted to the ticket business system server. The positional coordinate of the radio frequency tag card is calculated by the ticket business system server. The positional coordinate of the radio frequency tag card is coupled with the two-dimensional tag information of the figure by the ticket business system server. Finally, the result is fed back to the video checking server. According to the invention, ticket checking gates and ticket checking stuffs are not required to be arranged at entrances, the entrances are ensured to be unblocked, and labor is saved. The system is advantaged in simple structure and low cost. Therefore, the system and the method can be popularized in big occasions.
Owner:SHANGHAI SUPER ELECTRONICS TECH
Water-soluble fullerene nano-material as well as preparation method and application thereof
InactiveCN107137423AHigh suppression efficiencyLow costCarbon active ingredientsPharmaceutical non-active ingredientsSolubilityNose
The invention discloses a water-soluble fullerene nano-material as well as a preparation method and an application thereof. A general structural formula of the water-soluble fullerene nano-material is shown as C2n(OH)x(Amino Acid)y, wherein n is less than or equal to 60 and is greater than or equal to 20, x is less than or equal to 50 and is greater than or equal to 0, y is less than or equal to 20 and is greater than or equal to 0 and Amino Acid is water-soluble amino acid. The nano-material provided by the invention is applied to preparation of medicines for treating tumors, wherein the tumors include at least one of liver cancer, lung cancer, colorectal cancer, renal cancer, pancreatic cancer, cancer in bones, breast cancer, ovarian cancer, prostatic cancer, esophagus cancer, gastric cancer, oral cancer, nose cancer, laryngeal cancer, cancer of biliary duct, cervical cancer, uterine cancer, testicle cancer, meningeoma, skin cancer, melanoma and sarcoma. The nano-material profvided by the invention is good in water solubility, good in affinity with organisms and low in preparation cost, and the nano-material can obviously block off tumor vessels and rapidly cut off nutrition supply to tumor tissues.
Owner:BEIJING FUNAKANG BIOTECH CO LTD
Vehicle-mounted vehicle driving deviation detection apparatus and detection method
InactiveCN107255566AExtended test timeEasy to operateVehicle testingMicrocontrollerCar manufacturing
The invention discloses a vehicle-mounted vehicle driving deviation detection apparatus and detection method. The vehicle-mounted vehicle driving deviation detection apparatus includes a magnetic attraction seat, a vehicle terminal, and a wireless laser bar code scanner. The vehicle terminal is composed of a GPS positioning module, a single-chip microcomputer main control module, a data transmission and display module, an interface module, an alarm module and a power module. The host of a mobile station acquires the vehicle trajectory information in real time and sends the information to a reference station via a radio station in the host, a differential algorithm is formed in the system to obtain the high-precision mobile station coordinate, the deviation amount of the vehicle to be measured is processed and calculated through the main control chip of the single-chip microcomputer main control module, the result of the deviation amount is displayed on a four-bit digital display screen after the testing is finished, and the vehicle speed is displayed in the testing process in real time. The apparatus is simple in structure and convenient to detach, and can realize the display of the deviation amount and the vehicle speed, is suitable for automobile manufacture enterprises to do streamline test, and has wide market potential and application prospect.
Owner:WUHAN UNIV OF SCI & TECH
Cutter belt processing device and processing method thereof
ActiveCN103358188ASolve the difficult problem of precise automatic feedingHigh precision grinding made easyGrinding drivesOther manufacturing equipments/toolsVertical planeDynamic positioning
A cutter belt processing device comprises a constant angle constant-pressure automatic compensating and feeding device and a dynamic positioning assembly, wherein the constant angle constant-pressure automatic compensating and feeding device and the dynamic positioning assembly are fixedly arranged on a base plate. The constant angle constant-pressure automatic compensating and feeding device comprises a grinder, an angle adjuster and a compensating feeder, wherein the grinder is arranged above the base plate through the angle adjuster, the grinder can rotate in a vertical plane above the base plate, and the compensating feeder is arranged on the grinder. The cutter belt processing device is strong in maneuverability, easy and convenient in angle adjusting and capable of meeting technological requirements for producing high-accuracy cutter belts, enables high-accuracy grinding of blades of the cutter belts to be easy and controllable, does not need manual or other types of intervention during service life of a grinding wheel, is high in dynamic positioning stability, cannot damage blades or abrade cutter bodies, guarantees technology and control stability of a cutter belt manufacturing process, avoids the time for replacing the positioning assembly when product specification needs to be changed and greatly reduces the preparation time for changing product specification.
Owner:SHANGHAI XINPENG PRINTING EQUIP
Solar automatic drip irrigation system and control method thereof
InactiveCN102232354AEfficient use ofSave the trouble of manpower carrying waterClimate change adaptationWatering devicesGrowth plantDrip irrigation
The invention relates to a solar automatic drip irrigation system which comprises a solar photovoltaic component, a water supply and storage mechanism, an automatic water control mechanism and an automatic water supply mechanism, wherein the solar photovoltaic component is respectively connected with the water supply and storage mechanism and the automatic water supply mechanism for providing working power supplies for the water supply and storage mechanism and the automatic water supply mechanism; the water supply mechanism is connected with the automatic water control mechanism; and the automatic water control mechanism is used for controlling the water supply mechanism to begin to and stop supplying water. The system provided by the invention can be arranged in dry places such as desert and the like; each drip irrigation tap is correspondingly arranged above one plant; the plant is automatically irrigated through detection and control of the whole solar automatic drip irrigation system; the working condition of the whole system is controlled according to the water content in air; the switching of the water supply tap is controlled according to the water content on the surface of soil; the whole system is not manually controlled and has the advantages of environmental friendliness and energy saving; and the system has low cost, omits the trouble of manual irrigation of the plant and ensures enough water required for plant growth.
Owner:SHANGHAI SHIGEN ENVIRONMENTAL DESIGN ENG
Detection method for adhesion of gravure ink for plastic film
InactiveCN103335943AImprove adhesionReduce testing costsUsing mechanical meansMaterial analysisPolymer sciencePlastic film
The invention relates to a detection method for adhesion of a gravure ink for a plastic film. The detection method comprises the following steps of (1) laying a plastic film printed by an ink layer, and adhering an adhesive tape on an upper surface of the ink layer smoothly, and rolling the adhesive tape for a plurality of times by a press roller to obtain a sample; (2) placing the sample obtained by the step (1) on a platform between an upper heating plate and a lower heating plate of a heat-sealing device to carry out a heat lamination operation; (3) cooling the sample obtained by the step (2) to a room temperature, then tearing the adhesive tape along the same direction to observe exfoliation conditions of the ink layer; and (4) determining the adhesion of the ink as qualified if exfoliation does not appear on the oil layer and the ink is not adhered on the adhesive tape, or else, determining the adhesion of the ink as unqualified. The detection method can simulate actual application conditions of the plastic film actually, can reflect the adhesion of the ink more directly and actually, has simple requirements for equipment, has no special requirements for the detection environment, and is simple in operations.
Owner:ZHENGXIN PACKAGING CO LTD DONGGUAN
Three-rotation and one-movement parallel mechanism
PendingCN108656078ASolve problems that cannot meet the needs of medical surgical robotsSimple structureProgramme-controlled manipulatorArtificial cochlea implantEngineering
The invention discloses a three-rotation and one-movement parallel mechanism. The mechanism comprises a movable platform and a fixed platform, and comprises four non-constraint branched chains with the same structure and a constraint branched chain which are connected between the fixed platform and the movable platform; and the constraint branched chain restrains the movement of the movable platform in a X-axis direction and a Y-axis direction. According to the technical scheme, through the arrangement of the constraint branch chain in a six-degree-of-freedom parallel mechanism which is simplyconnected with the non-constraint branch chains, the movement freedom degree in the X-axis direction and the movement freedom degree in the Y-axis direction are restrained, so that the rotation in three directions of the X-axis direction, the Y-axis direction and the Z-axis direction are realized, and movement in the Z-axis direction is realized; in addition, when the three-rotation and one-movement parallel mechanism is applied to an artificial cochlea implanting device, one movement freedom degree in the X-axis direction or the Y-axis direction is achieved by adding the artificial cochlea implanting device on the movable platform, and a three-rotation and two-movement parallel mechanism in a medical operation can be realized; the problem that an existing parallel mechanism cannot meet the requirement of a medical operation robot is effectively solved; and the technical scheme has the advantages of being simple in structure, easy to control, implement is easy, and popularization andapplication are facilitated.
Owner:CHINA JILIANG UNIV
Solar photovoltaic battery assembly transparent backboard composite film and preparation method thereof
ActiveCN105428445AGood weather resistanceImprove aging resistanceFinal product manufactureSynthetic resin layered productsPolyesterWeather resistance
The invention relates to the technical field of a composite film, and particularly to a solar photovoltaic battery assembly transparent backboard composite film and a preparation method thereof. The solar photovoltaic battery assembly transparent backboard composite film comprises a first weather-resistant layer, a second weather-resistant layer and a substrate layer, wherein the first weather-resistant layer, the second weather-resistant layer and the substrate layer are successively arranged from top to bottom. The first weather-resistant layer is a transparent weather-resistant polycarbonate (PC) film and has a thickness of 25-100 [mu]m. The second weather-resistant layer is a transparent weather-resistant polyester (PET) film and has a thickness of 150-300 [mu]m. The substrate layer is a transparent linear low-density polyethylene (LLDPE) film and has a thickness of 50-150 [mu]m. According to the solar photovoltaic battery assembly transparent backboard composite film, a traditional poly(vinylidene fluoride) (PVDF) film is replaced by the transparent weather-resistant PC film, and weather resistance and light transmittance of the back board on which the solar photovoltaic battery assembly transparent backboard composite film is applied. Not only is cost reduced, but also environment pollution caused by a fluoride film is greatly reduced. Furthermore the solar photovoltaic battery assembly transparent backboard composite film has excellent binding property with a polyethylene vinylacetate (EVA) film.
Owner:MING CROWN ADVANCED MATERIAL CO LTD
Automatic clamping and fixing device for building pipelines
InactiveCN107186521ASimple structureEasy to operateWork clamping meansWelding/cutting auxillary devicesIndustrial engineering
The invention discloses an automatic clamping and fixing device for construction pipelines, which comprises a clamping table and a clamping assembly, and a plurality of sets of clamping assemblies are uniformly arranged on the clamping table, and the clamping assembly includes a first clamping assembly Arm, second clamping arm, pneumatic pusher and triangular lever, the bottom ends of the first clamping arm and the second clamping arm are symmetrically hinged on both sides of the clamping platform, and the outside of the second clamping arm is set There is a pneumatic pusher, the end of the telescopic arm of the pneumatic pusher is hinged with the first angle of the triangular lever, the second angle of the triangular lever is connected with the upper end of the first clamping arm through a connecting rod, the third angle of the triangular lever It is hinged with the upper end of the second clamping arm, and a support rod is provided between the second clamping arm and the pneumatic pusher. The upper end of the support rod is hinged on the triangular lever, and the lower end is hinged on the clamping platform.
Owner:CHINA MCC5 GROUP CORP
High light-transmittance and high flame-retardant polycarbonate material and preparation method of polycarbonate material
ActiveCN102702716AHigh light transmittanceImprove flame retardantGlobesOxidation resistantFire retardant
The invention relates to the technical field of polycarbonate material, particularly to high light-transmittance and high flame-retardant polycarbonate material. The polycarbonate material contains the following constituents and materials by weight: 94.8-99.5% of polycarbonate, 0.1-0.3% of fire retardant A, 0.1-3.5% of fire retardant B, 0.1-0.3% of antioxidant A, 0.1-0.3% of antioxidant B, 0.1-0.2% of a lubricating agent and 0-0.6% of light stabilizer, and the sum of the weight percentages of the constituents is 100%. The preparation method comprises the steps of putting the constituents except for the polycarbonate into a high-speed mixer to uniformly agitate, putting the polycarbonate and uniformly mixed material into the high-speed mixer to carry out three-segment agitation, and putting the material into a double-screw extruder to extrude and pelletize. The polycarbonate material disclosed by the invention has the advantages of high light transmittance and high fire resistance and the like, can meet the requirements of a lampshade for outdoor illumination, and is simple in process and beneficial for generalization and application.
Owner:GUANGDONG SILVER AGE SCI & TECH CO LTD
Temperature-sensitive hepatic cell culture support material and preparation method thereof
InactiveCN101914484AImprove adsorptionPromote proliferation and differentiationVertebrate cellsArtificial cell constructsCarboxylationChemistry
The invention discloses a temperature-sensitive hepatic cell culture support material and a preparation method thereof, and relates to an intelligent tissue engineering support material and technology, in particular to a temperature-sensitive hepatic cell culture support material, a method and technology. The support material is characterized in that: the surface of the material is relatively lyophobic at the temperature of 37 DEG C and is suitable for cell adherence / spreading and cell propagation, but the surface is hydrophilic at the temperature of 32 DEG C, so cells are desorbed from the surface automatically. The preparation method of the cell culture support material comprises the following steps of: (1) surface cleaning; (2) the temperature-sensitive carboxylation modification of a TCPS surface; (3) the preparation of amido lactobionic acid (L-NH2); and (4) the saccharifying modification of the TCPS surface. Through the preparation method, the biocompatibility and cell-bound loci of the support material are enhanced, the adsorption rate of the cells on the material surface is increased, and the intelligent support material which is suitable for hepatic tissue engineering is obtained.
Owner:TIANJIN POLYTECHNIC UNIV
Auxiliary control equipment for automatic drive of motor vehicles, control circuit and gating method
ActiveCN105196911ARealize automatic collectionRealize the display effectVehicle headlampsOptical signalMotor vehicle partAutomatic control
Owner:陈觉明
Flame-retardant and heat-resistant acrylonitrile butadiene styrene (ABS) composition and preparation method thereof
ActiveCN103013035AHigh glass transition temperatureImprove heat resistanceHeat deflection temperaturePolymer science
The invention relates to the technical field of preparation of acrylonitrile butadiene styrene (ABS), and in particular relates to a flame-retardant and heat-resistant ABS composition and a preparation method thereof, wherein the composition consists of the following raw materials in parts by weight: 45-70 parts of acrylonitrile-butadiene-styrene resin, 11-16 parts of fire retardant, 2-5 parts of flame-retardant synergist, 0.1-0.2 part of antioxidant A, 0.1-0.2 part of antioxidant B, 0.5-0.7 part of lubricant A, 0.2-0.5 part of lubricant B, 9-30 parts of heat-resistant agent and 2-4 parts of flexibilizer. The ABS composition disclosed by the invention can reach 99.9 DEG C in heat distortion temperature, excellent in flame-retardant performance and accordant with the UL-94VO grade standard; the product has excellent stability, high mechanical strength and good quality; and the preparation method disclosed by the invention is simple in process, low in production cost and favorable for general popularization and application.
Owner:GUANGDONG SILVER AGE SCI & TECH CO LTD
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