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495results about How to "Good application prospect" patented technology

Preparation method for transparent silver nanowire conducting electrode

The invention discloses a preparation method for a transparent silver nanowire conducting electrode. The preparation method comprises the following steps: (1) preparing a high length-diameter ratio silver nanowire solution; (2) conducting hydrophilization on a substrate; (3) coating the prepared silver nanowire solution on the substrate, and carrying out drying to obtain a transparent silver nanowire conducting thin film on the substrate; (4) conducting adhesion treatment on the transparent silver nanowire conducting thin film and the substrate; (5) exposing the transparent silver nanowire conducting thin film treated with adhesion to ultraviolet light, so as to obtain the transparent silver nanowire conducting electrode, wherein the adhesive force between the transparent silver nanowire conducting electrode and the substrate is high. The transparent silver nanowire conducting electrode prepared according to the method is excellent in carrier collection efficiency and relatively high in light transmittance, can improve the conductibility of a front electrode of a solar battery, reduce reflectivity, and potentially improve battery efficiency and reduce production cost, and is high in mechanical and environmental stability, and suitable for large-area low-cost preparation.
Owner:SOUTH CHINA NORMAL UNIVERSITY

Thermal-spalling acrylic ester pressure-sensitive adhesive, adhesive tape and preparation method thereof

InactiveCN102559101AGood adhesion and thermal peelabilityGood application prospectNon-macromolecular adhesive additivesFilm/foil adhesivesChemistryOCTYL ACRYLATE
The invention relates to a thermal-spalling acrylic ester pressure-sensitive adhesive, an adhesive tape and a preparation method of the adhesive. The thermal-spalling acrylic ester pressure-sensitive adhesive provided by the invention prepared by the following components by weight via radical polymerization: 60-140 parts of iso-octyl acrylate, 60-140 parts of butyl acrylate, 5-10 parts of acrylic acid, 5-10 parts of hydroxyethyl acrylate, 5-10 parts of methyl methacrylate, 0.1-2 parts of N-hydroxymethyl acrylamide, 0.02-1 part of azodiisobutyronitrile, and 140-250 parts of ethyl acetate. The pressure-sensitive adhesive prepared by the invention has good viscosity at low temperatures and does not have viscosity at high temperatures. Expansible microspheres and a cross-linking agent are added into the pressure-sensitive adhesive and then solidification is carried out to obtain the pressure-sensitive adhesive tape; when the temperature is below 60 DEG C, the pressure-sensitive adhesive tape has good viscosity; and when the temperature is above 120 DEG C and baking is carried out for 5min, the pressure-sensitive adhesive tape loses the viscosity. The viscosity variation of the pressure-sensitive adhesive tape is varied through temperature variation intervals by the pressure-sensitive adhesive, so that terrific adhesiveness and thermal-spalling property are provided.
Owner:新丰杰力电工材料有限公司

Method for preparing superhydrophobic coating layer through composite of inorganic nano-particles with different average particle sizes

InactiveCN105602297ASimplify production industry and production costsGood application prospectCoatings with pigmentsFibre treatmentRolling angleMulti material
The invention discloses a method for preparing a superhydrophobic coating layer through composite of inorganic nano-particles with different average particle sizes, belongs to the field of novel materials, and in particular, belongs to the field of self cleaning materials. The inorganic nano-particles with different average particle sizes are composited to form a mixed dispersion liquid, then a silane coupling agent is added for hydrophobic modification of the composite nanoparticles in the mixed dispersion liquid under the action of a catalyst, and a composite nanoparticle dispersion liquid having a superhydrophobic property is obtained and acts on various soft or hard substrates through extraction, spraying, drop-coating, spin-coating and other methods to form the superhydrophobic coating layer; the superhydrophobic composite nanoparticle dispersion liquid is gradually diluted according to the proportion and then acts on a transparent material substrate, and the superhydrophobic coating layer having adjustable transparency can be obtained; the superhydrophobic coating layer has the contact angle greater than 160 degrees and the rolling angle of less than 5 degrees. The method is simple in process and is applicable to surface hydrophobic modification of various materials, and the transparency of the superhydrophobic coating layer can be adjusted according to different uses.
Owner:TIANJIN UNIVERSITY OF TECHNOLOGY

Fault detection method for adaptive stochastic resonance bearing

The invention discloses a fault detection method for an adaptive stochastic resonance bearing. The fault detection method for the adaptive stochastic resonance bearing comprises the following steps: firstly, preprocessing a fault signal, so that the fault signal meets a small-parameter stochastic resonance condition; secondly, according to a known condition, setting optimization range of an initial parameter and a bistable system parameter of an artificial fish swarm algorithm; thirdly, optimizing the value of the bistable system parameter by using the artificial fish swarm algorithm with a signal-to-noise ratio as an effect evaluating function; finally, adaptively finding the value of the bistable system parameter corresponding to the maximum signal-to-noise ratio, generating stochastic resonance and enhancing a resonance effect. The parameter optimization is performed by using artificial fish swarm algorithm, so that adaptive stochastic resonance is achieved; artificial intelligence and adaptive control are combined together, so that the application restriction of the stochastic resonance caused by difficult selection or incorrect selection of the system parameter is overcome and an early failure of the bearing can be effectively diagnosed.
Owner:CHINA JILIANG UNIV

Industrial robot base coordinate measuring method

InactiveCN106052555AGood application prospectUsing optical meansManipulatorBase planeRobot locomotion
The invention relates to an industrial robot base coordinate measuring method, which comprises the following steps: setting a robot base coordinate system to be OBXBYBZB, a robot tail-end flange coordinate system to be OTXTYTZT, and a measurement coordinate system carried with a laser tracker to be OMXMYMZM; arranging a target ball in the center of a flange at the tail end of a robot, and ensuring the target ball does not shift in the robot motion process; keeping other shafts of the robot immobile, only enabling a first shaft to rotate, and carrying out fitting on a plurality of point location data obtained after continuous rotation to obtain a circle, the normal vector of the circle being Z-axis direction of the base coordinate system; placing the target ball at a plurality of places in a robot base plane, measuring multiple points and obtaining a robot base plane equation through data fitting, the point obtained when the normal vector obtained through fitting in the step above meets the robot base plane being an original point OB of the base coordinate system, and thus a coordinate axis ZB can be obtained; controlling a second shaft of the robot to be in single axis motion, placing the target ball at some fixed place of the second shaft, continuously rotating for a plurality of point positions and carrying out fitting on the recorded points data to obtain a plane, projection of the plane to the base plane being the coordinate axis XB; and through a right-hand rule: ZB=XB*YB, obtaining the coordinate axis YB.
Owner:CHONGQING INST OF GREEN & INTELLIGENT TECH CHINESE ACADEMY OF SCI

Water spray discharge air plasma jet processing device and high-voltage power source thereof

ActiveCN103482735AIncrease the rate of chemical reactionsGood application prospectWater/sewage treatment by magnetic/electric fieldsAc-ac conversionParameter controlCollision frequency
The invention discloses a water spray discharge air plasma jet processing device and a high-voltage power source thereof. Water to be treated is atomized into a fine mixture of water drops and air at first; consequently, the collision frequency of active particles generated by discharge with toxic and harmful species in water is effectively improved in the discharge reaction processing process, the chemical reaction rate can be effectively increased, the water-air mixing ratio of the water spray jet and the flow velocity of the water spray jet can be adjusted, the chemical reaction kinetics of the water spray jet generated in an atomization reactor are adjusted, the highest efficiency and the most energy-saving state of running of the water processing system are realized, and the processed water is subjected to circulating treatment a plurality of times so that the requirement of emission can be met at last; a voltage and current detection circuit for the input end and the output end of the high-voltage power source is capable of effectively determining whether the system runs normally; therefore, the optimal running parameter control of the water processing system between physical parameters such as the discharge power of the output end, the water spray jet speed and the water-air mixing ratio, and the water processing effect is realized.
Owner:HOHAI UNIV CHANGZHOU

Floating body gate and method thereof

ActiveCN104018472AEasy to installGood application prospectBarrages/weirsChannel widthChannel Object
The invention discloses a floating body gate and a method of the floating body gate. The floating body gate comprises a limiting block, bottom water stop rubber, side water stop rubber, a floating body, a door leaf, a support arm, a support arm cover plate, a hose pipe, buffering rubber, a support base shaft, a support base, an air delivery pipe, a dam body and an air compressor. The floating body gate has the basic functions of a common water gate and further has the two advantages that the water gate flowing width is equal to the channel width, no water stop buildings exist above the dam body of a river channel when the gate is opened, and therefore the contradiction between river channel shipping and flood control is solved well; the floating body gate has the ecological function, no vertical stairs exist when the floating body gate is closed for water storage or opened for aerial drainage, so that fishes and river channel objects pass freely, the noise of water flow falling does not exist, and natural features of the river channel are kept. The floating body gate is convenient to transport, maintain and install, simple in structure, low in cost and suitable for water storage or drainage of dams, and has excellent application prospects and obvious technical advantages, and the water stop structure of the gate is stable and effective for a long time so that frequent replacement can be avoided.
Owner:浙江衢州河口闸门有限公司

Red rare-earth lanthanum cerium sulfide dye and preparation method thereof

The invention relates to a rare earth lanthanum and cerium sulfate which can be used as a red paint and a preparation method of the rare earth lanthanum and cerium. The chemical formula of the paint is: AxLayCe1-yS(3+x)/2, wherein, A stands for one of alkali metals lithium, sodium and potassium, x is equal to or bigger tan 0 and is equal to or smaller than 1, and y is equal to or bigger tan 0 and is equal to or smaller than 1. The alkali metal elements are doped into the rare earth lanthanum and cerium sulfate matrix to prepare rare earth sulfide paints in different red color systems through adjusting the doped amount of the alkali metal elements and different proportions of the lanthanum and cerium in high temperature solid-state reaction with mixed sulfate source gas produced by ammonium thiocyanate being heated and melted as reaction gas under the conditions of unoxidizing atmosphere with inert gas being input and the heating temperature of 400 to 1000 DEG C. The structure of a series of rare earth lanthanum and cerium sulfate doped with the alkali metal elements is NaC1type or Th3P4 type of gamma type in single cubic crystal system. The preparation method is safer and more environment protecting, the paint is non-toxic, so that the paint can be used for coloring for plastic, oil paint, coating, rubber, leather, ceramic, ink, paper, cosmetic and construction material like cement.
Owner:CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI

Super-adhesive composite modified emulsified asphalt and preparation method thereof

Super-adhesive composite modified emulsified asphalt is prepared from matrix asphalt, SBS modifier, viscosity reducer, cationic emulsifier, hydrochloric acid, water and SBR modifier. The method includes the steps of firstly, heating matrix asphalt, adding SBS modifier to be stirred, evenly dispersing SBS modifier in matrix asphalt, and preparing SBS modified asphalt; secondly, heating SBS modified asphalt, adding viscosity reducer, dispersing viscosity reducer to SBS modified asphalt, and preparing SBS modified asphalt used for emulsification; thirdly, placing SBS modified asphalt which is prepared in the second step and used for emulsification in an asphalt tank of an emulsification device to be emulsified; fourthly, adding cationic emulsifier and water into a liquid soap tank of the emulsification device to prepare liquid soap; fifthly, adding concentrated hydrochloric acid to heat liquid soap; sixthly, emulsifying SBS modified asphalt used for emulsification and liquid soap in the liquid soap tank through a colloid mill; seventhly, externally adding SBR modifier to be mixed with emulsification asphalt at a normal temperature for secondary modification. Composite modification is conducted through SBS and SBR modifier, the emulsified asphalt is good in stability, and viscosity of asphalt generated after demulsification is large.
Owner:XIAN HIGHWAY INST

Aluminum ash harmless recycling comprehensive treatment system and method

The invention discloses an aluminum ash harmless recycling comprehensive treatment system and method. The method comprises the following steps that firstly, metal extraction is carried out on aluminumash through a metal extraction system to obtain large blocks of aluminum, aluminum particles and secondary aluminum ash; then deamination and fluorine-fixing are carried out on the secondary aluminumash through a deamination and fluorine-fixing system, then flotation and dewatering treatment are carried out through a flotation system and a dewatering system respectively, and after dehydration treatment, roasting treatment is carried out through a roasting system; and ammonia/ammonium salt, an electrolyte, industrial salt and aluminum oxide are correspondingly obtained. According to the aluminum ash harmless recycling comprehensive treatment system and method, all the components in the recycled aluminum ash can be fully recycled, complete harmless treatment can be carried out, moreover, no harmful substance is generated in the treatment process, the secondary pollution of the environment is avoided, and the application range of the recycled aluminum ash is greatly expanded; and the advantages of being easy to operate, low in cost, high in full utilization rate and good in application prospect are achieved.
Owner:郑州鸿跃环保科技有限公司

Multilayer aquagel, and preparation method and application thereof

The invention relates to a high polymer aquagel, particularly a multilayer aquagel, and a preparation method and application thereof. The invention provides a multilayer aquagel with controllable shape and structure and onion pattern, and a preparation method and application thereof. The multilayer aquagel with onion pattern is composed of a gel core template and a multilayer film aquagel coated outside the gel core template. The preparation method comprises the following steps: 1) dissolving a material for preparing the gel core, and gelating to obtain the gel core template; 2) impregnating the gel core template in a crosslinking agent water solution, so that the gel core template adsorbs the crosslinking agent; 3) impregnating the gel core template with adsorbed crosslinking agent in a water-soluble macromolecular solution to obtain a monolayer-film-coated aquagel; and 4) repeating the step 2) and step 3) to obtain the product. The materials have wide sources, the shape and size of the template can be designed freely, and the shape of the multilayer aquagel can be designed as required; and the microstructure of each gel layer is a large-aperture network structure, so that the aquagel has wide application prospects in medicine embedment, medicine slow release and tissue engineering.
Owner:XIAMEN UNIV

Power supply device for taking electricity from high-voltage side in induction manner

The invention relates to field of electric, in particular to a power supply device for taking electricity from a high-voltage side in an induction manner. The power supply device can provide a low-voltage power supply for a monitoring device arranged on a high-voltage transmission line or in a high-voltage switch cabinet. The structure of the power supply device comprises an electricity taking module, an electric energy conditioning module and an intellectual protection module, wherein the electricity taking module comprises a primary busbar, an current transformer magnetic core, a secondary coil, a sample resistor and a single-pole double-throw relay; the electric energy conditioning module comprises a rectification circuit, a point bleeder circuit, a grain wave filter capacitor and a voltage-stabilizing circuit; and the intellectual protection module comprises an STM8 singlechip, an RF (radio frequency) module and a super capacitor. The power supply device for taking electricity from high-voltage side in the induction manner has a protection function and an intelligent monitoring function, effectively protects the power supply device and a rear load from being burned, and real time monitor the power supply through the RF module, and ensures safety and stability of providing power supply for an outer load.
Owner:STATE GRID JIANGSU ELECTRIC POWER CO LIANYUNGANG POWER SUPPLY CO +1

Method for producing ultra-fine grains on surface layer of thick/ultra-thick low-alloy steel plate

ActiveCN103572023AGood surface toughness at low temperatureGood application prospectSteel platesAlloy steel
The invention relates to a method for manufacturing a low-alloy steel plate, and particularly discloses a method for producing ultra-fine grains on the surface layer of a thick/ultra-thick low-alloy steel plate. The method specifically comprises the following steps of 1, uniformly heating a plate blank for 30 to 60 minutes, and taking the plate blank out of a furnace; 2, reducing the temperature of the surface layer of an intermediate blank to 350 to 550 DEG C at speed of more than or equal to 10 DEG C per second, and waiting for temperature rise; 3, when the temperature of the surface layer of the intermediate blank returns to 850 to 960 DEG C, and performing multi-pass rolling, wherein the temperature of the surface layer of the plate blank is reduced to be lower than Ar1 at speed of 10 to 80 DEG C per second between every two rolling passes, the rolling of the next pass is started after the temperature rise, and the final rolling temperature is 780 to 850 DEG C; 4, cooling the plate blank after the plate blank is rolled, namely quickly cooling the blank plate at speed of 1 to 20 DEG C per second, air-cooling the blank plate to 250 to 400 DEG C after the temperature rise, and performing stack cooling. According to the method, energy accumulatively stored on the middle part of the thick steel plate is fully used for performing controlled rolling and controlled cooling for multiple times to refine austenite grains on the surface layer on the premise of no remarkable increase of load of a conventional rolling mill.
Owner:NANJING IRON & STEEL CO LTD

Power transmission line full waveform current differential protection judgment method and device

The invention discloses a power transmission line full waveform current differential protection judgment method and device, and belongs to the technical field of power system relay protection. The method and device are used for solving the problem that differential protection performed on power transmission line sampling values is slow. An optical current transformer is used for synchronously sampling all the phases of current on the two sides of a power transmission line according to the set sampling rate, the sampling instantaneous value of each phase of current on the local side and the sampling instantaneous value of each phase of current on the opposite side, and the actuating quantity of differential protection of each phase and the braking quantity of differential protection of each phase are calculated; a current differential protection criterion is formed according to the obtained actuating quantity of differential protection of each phase and the braking quantity of differential protection of each phase, and whether a circuit breaker on the local side of the power transmission line acts or not is judged according to the current differential protection criterion (please see the criterion in the specifications). The power transmission line full waveform current differential protection judgment method and device are used for judging whether a fault happens in the power transmission line or not.
Owner:HARBIN INST OF TECH +3

System for detecting active imaging and passive imaging of common aperture

The invention relates to a system for detecting active imaging and passive imaging of common aperture, and the system comprises a laser source, an emitting and receiving optical system, a light splitting system and an image acquisition, processing and displaying system; the system is arranged in a shell, the laser source is arranged at the back end of the shell, the emitting and receiving optical system is arranged at the front end of shell; the light splitting system is arranged at an angle of 45 degrees with an optical axis and parallel to an emitting-receiving spectroscope, and the line of centers of the emitting-receiving spectroscope and the light dividing system is vertical to the optical axis; the image acquisition, processing and displaying system is arranged at the back end of the shell (close to the right side); the system can use a common receiving optical system to realize active imaging and passive imaging rapidly in real time for a scene including a target with 'cat eye' effect, extract target features of active image processing and passive image processing and determine the orientation of the target. The system has the advantages of novel structure, compact and portable property, steady performance, strong adaptability, good anti-interference property and good image signal-to-noise ratio. The system can be applied to security, anti-terrorist operations, monitoring and the like, and has wide application value and application prospect.
Owner:BEIHANG UNIV

Preparation method of sodium hyaluronate/sodium alginate injection type composite hydrogel

The invention discloses a preparation method of sodium hyaluronate/sodium alginate injection type composite hydrogel. The preparation method comprises the following steps: initiating a condensation reaction of amino of adipic dihydrazide and carboxyl of a main chain of hyaluronic acid (HA) through 1-ethyl-3-(3-dimethylamino)carbodiimide hydrochloride to obtain a hyaluronic acid-adipic dihydrazidederivative (HA-ADH) with a main chain having amino; oxidizing hydroxyl on sodium alginate through the strong oxidizing property of sodium periodate to obtain an aldehyde group-containing sodium alginate derivative (ALG-CHO); and mixing the HA-ADH with the ALG-CHO according to a certain ratio, and then carrying out a Schiff base reaction for chemical crosslinking to obtain the sodium hyaluronate/sodium alginate composite hydrogel. The preparation method is suitable for industrial large-scale production, and the degradation rate of the hydrogel can be effectively regulated and controlled by changing the composition ratio of the HA-ADH to the ALG-CHO. The sodium hyaluronate/sodium alginate Schiff base reaction hydrogel prepared by the method disclosed by the invention can be used as a novel injection type hydrogel to be applied to the field of biomedicine.
Owner:BEIJING UNIV OF CHEM TECH
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