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2046results about How to "Fix compatibility issues" patented technology

Wood-plastic composite material and prepration method thereof

The invention discloses a wood-plastic composite material and a preparation method thereof, and the wood-plastic composite material comprises the following raw materials according to the mixing ratio by parts by weight: 30-80 parts of modified fiber powder; 15-80 parts of plastics; 2-10 parts of phase solvent; 2-10 parts of lubricant; 0-10 parts of stabilizer; 0.2-1.0 part of antioxidant; 5-15 parts of filler; and 2-20 parts of flame retardant. Lignin is utilized for modifying fiber powder, then composition with the plastics is carried out, and a finished-product material is formed by extrusion. The preparation method can solve the problems of the compatibility of wood fibers with the thermoplastic plastics, the surface treatment technology of the raw materials by utilizing the lignin and the like, realize the comprehensive utilization of the lignin and the waste plastics, be capable of replacing wood, increase the additional value of the lignin and solve the utilization problem of the lignin wastes. The manufactured wood-plastic composite material can significantly improve the mechanical performance, the tensile strength, the flexural strength and the impact resistance, and realize the industrial production of high-performance products, such as construction materials.
Owner:BEIJING FORESTRY UNIVERSITY

Distributed database synchronization system, synchronization method and node management method

InactiveCN102693324AFix compatibility issuesSolve the problem of not being able to synchronize with each otherSpecial data processing applicationsData transmissionHeterogeneous network
The invention discloses a distributed database synchronization system which comprises database nodes and a management node, wherein the database nodes outwards provide distributed database access, updating and inquiry services on the basis of Web services; all the database nodes have no master-slave difference, and are independently in charge of providing distributed database services; all the database nodes have no direct relationships and periodically obtain a synchronization configuration table and a network member configuration table from the management node, and establish a synchronization relationship with other database nodes; and a Web-service-based synchronization module is adopted in all the database nodes, the traditional database is encapsulated by using the synchronization module for providing one group of API (Application Program Interface) function for the outside. Data transmission is carried out by using the Web-service-based SOAP (Simple Object Access Protocol). The distributed database synchronization system can adapt to various complex heterogeneous networks, and can be used for solving the problems of incompatibility and incapability of mutual synchronization of data among various traditional databases.
Owner:XIDIAN UNIV

Battery charging and replacing station for electric vehicles

The invention belong to the technical fields of low-voltage power distribution and power electronics, and relates to a battery charging and replacing station for electric vehicles. In the battery charging and replacing station for the electric vehicles, battery replacement and separated-box charging take the priority and entire vehicle charging takes the secondary. The battery charging and replacing station can satisfy the requirement of replenishing electric energy for large-size commercial vehicles and small-size passenger vehicles. In addition, a warehousing type automatic battery replacing system is adopted so that the functions of automatic battery replacement and automatic warehousing in / out management are achieved, and a separated-box charging system can be used for charging the batteries.
Owner:CHINA ELECTRIC POWER RES INST +1

General player applied to Android and Linux smart televisiosn

The invention discloses a general player applied to Android and Linux smart televisions. The general player is divided into three layers, namely an application interface layer, a data processing layer and a hardware abstraction layer. The application interface layer provides a unified media calling method for a streaming media application, and comprises a playing control interface, a parameter feedback interface and a service quality interface. Functions of data processing layer are mainly achieved by a media plug-in system, and the data processing layer comprises a receiving sub module, a packet analysis sub module, a demultiplexing sub module, a decoding sub module, an output sub module, etc. The hardware abstraction layer mainly comprises a hardware decoding link, an audio output link and a video output link, and upwards exists on a platform hardware adaptation layer in streaming media middleware in a local interface base mode. The general player applied to the Android and Linux smart televisions solves the problem of player compatibility, and can provide a streaming media playing function and a better service streaming media business.
Owner:FUDAN UNIV

New macromolecule fiber composite material

The invention discloses a new macromolecule fiber composite material which is prepared by the following components in parts by weight, 40-100 parts of plant fiberfill, 60-100 parts of plastic base material, 3.5-5 parts of heat stabilizer, 1-2 parts of plasticizer, 1.6-2 parts of lubricating agent, 4-8 parts of modifying agent, 1-3 parts of compatilizer, 2-3 parts of coupling reagent, 1-5 parts of super dispersing agent, 1-4 parts of positive ion surface active agent, 1-1.8 parts of foaming agent, 1-5 parts of blowing promoter, 0.3-1.2 parts of antioxygen, 1-10 parts of cross-linking agent, 1-20 parts of nucleating agent, 0.8-1 part of viscosity reducer, 0.8-1 part of tackifier and 3.2-13.4 parts of other auxiliaries. The new composite material can not easily cause wet swelling and air shrinkage, and is low in expansibility and water absorbability, so that the prepared product has good stability.
Owner:GUILIN SHUKANG BUILDING MATERIAL

Processing method for silane coupling agent modified carbon fiber surface

A processing method for silane coupling agent modified carbon fiber surface comprises the following steps: removing the sizing agent coated on the sizing carbon fiber surface by using acetone, drying, then carrying out oxidation etching on the fiber surface by using concentrated nitric acid, water-washing until the pH reaches 6 to 8, drying, then dispersing the fiber into tetrahydrofuran, adding lithium aluminium hydride to reduce the oxygen containing groups on the fiber surface and convert all the oxygen containing groups into hydroxyl groups, then adding hydrochloric acid, stirring for 1 to 2 hours, filtering so as to obtain carbon fibers, soaking and washing the carbon fibers with tetrahydrofuran, drying, then dispersing the carbon fiber into a silane coupling agent hydrolysate, stirring or subjecting the carbon fiber to an ultrasonic treatment, filtering so as to obtain the carbon fiber, and drying the carbon fiber. The method improves the surface activity of the carbon fiber, does not harm the fiber body, and is capable of being applied to mass production.
Owner:山西泰宝科技有限公司

Double authentication-based word document electronic seal system and method

The invention discloses a double authentication-based word document electronic seal system and method. The system of the invention comprises a digital signature module, a BMP image-based fragile watermarking module, a word format information carrying-based robust watermarking module and a key management module. A double-authentication mechanism is adopted to realize the authentication of electronic seal; when the fragile watermarking is invalid, the robust watermarking can not only complete the inspection of the document, but also generate a document source analysis report and a tamper detection report to clear the issuer information of the file and the specific tampered position and ensure the integrity, truth, reliability and nonrepudiation of the electronic document. The invention has a perfect electronic seal management system and an identity authentication strategy based on hardware, and can provide further detection function for the tampered document and store the summary information of the document by means of the fragile image watermarking and the robust watermarking. The invention also discloses a double authentication-based word document electronic seal method.
Owner:NAVAL UNIV OF ENG PLA

Radar and infrared compatible stealthy material and preparation method thereof

ActiveCN102179968AAchieve broadband absorbing performanceReduce IR emissivityLaminationLamination apparatusGlass fiberScreen printing
The invention discloses a radar and infrared compatible stealthy material and a preparation method thereof. The compatible stealthy material is mainly formed by compounding a radar wave absorbing structural layer and an infrared stealthy functional layer, wherein the radar wave absorbing structural layer is made of a glass fiber reinforced glass steel composite material; and the infrared stealthy functional layer is a capacitive frequency selective surface. The preparation method comprises the following steps of: preparing the capacitive frequency selective surface by a printed circuit board (PCB) process; preparing a layer of resistance sheet on glass fiber plain cloth by using conductive carbon slurry through a screen printing process; preparing the glass fiber reinforced glass steel composite material by using epoxy resin as a base material and the glass fiber plain cloth as a reinforcing material through a resin forming process; and curing to make the capacitive frequency selective surface compounded and superposed so as to obtain the radar and infrared compatible stealthy material. The compatible stealthy material has a simple structure and low cost, is convenient to prepare, and has the duplex characteristics of high reflection of an infrared wave band and high permeation of a radar wave band.
Owner:NAT UNIV OF DEFENSE TECH

High-efficiency environment-friendly antibacterial mould-proof inorganic composite nano paint and preparation method thereof

The invention relates to a paint technology, an environment-friendly technology and an antibacterial mould-proof technology, in particular to high-efficiency environment-friendly antibacterial mould-proof inorganic composite nano paint and a preparation method thereof. The high-efficiency environment-friendly antibacterial mould-proof inorganic composite nano paint comprises the following components in percentage by weight: 0.5 to 5 percent of wetting dispersant, 0.01 to 20 percent of inorganic composite nano antibacterial agent concentrated pulp, 0.5 to 10 percent of hydrophobing agent, 0.5 to 10 percent of anionic powder, 0.5 to 8 percent of film-forming aid, 0.1 to 2 percent of anti-settling agent, 0.8 to 10 percent of antifreezing agent, 0.1 to 3 percent of defoaming agent, 4 to 30 percent of pigment, 0 to 30 percent of filler, 15 to 45 percent of emulsion, 0.1 to 4 percent of thickening agent, 0.1 to 3 percent of flatting agent, 0 to 3 percent of pH regulator and 0.5 to 45 percent of water. The high-efficiency environment-friendly antibacterial mould-proof inorganic composite nano paint is mainly prepared by adding the inorganic composite nano antibacterial agent into the basic materials, so that the paint has the coating characteristic of high performance, is low is cost, and has a function of purifying air, can eliminate harmful gas volatile organic compounds (VOC), formaldehyde and the like and also has a durable and high-efficiency antibacterial mould-proof function, so that the sterilizing rate within 6 hours reaches 100 percent and the mould-proof grade reaches the first grade. By the high-efficiency environment-friendly antibacterial mould-proof inorganic composite nano paint and the preparation method thereof, self-cleaning performance, hydrophobicity, scrubbing resistance, dirt resistance and weather resistance of the coating are improved; and the high-efficiency and durable antibacterial and mould-proof effect is achieved.
Owner:广东腐蚀科学与技术创新研究院

Ultraviolet curing coating for metal plating surface protection

The related UV solidifying paint for metal coated surface protection comprises: 10-30% epoxy acrylate and 5~20% urethane acrylate both as active oligomer, 10-30% composite adhesion reinforced resin as the mixture of thermalplastic acrylic resin with AA monomer modified by H3PO4 as one of synthetic monomer and fiber resin, 30~65% diluent, 5~20% active diluent, 1~10% light initiator, and 0.1~1% auxiliary agent. This invention solves the adhesion problem of UV paint on smooth metal surface very well, and contains other index up to protective and decorative requests.
Owner:CNOOC CHANGZHOU PAINT & COATINGS IND RES INST

Thermosetting resin composition for integrated circuit as well as prepreg and laminated board both fabricated by using composition

The invention discloses a thermosetting resin composition for an integrated circuit. The thermosetting resin composition comprises (a) 10-60 parts of an allyl modified bismaleimide resin prepolymer, (b) 10-40 parts of an anhydride compound, (c) 10-50 parts of benzoxazine resin, (d) 5-50 parts of epoxy resin, (e) 5-50 parts of a fire retardant, (f) 0-5 parts of a curing accelerator and (g) 0-35 parts of inorganic stuffing, wherein the number-average molecular weight of the allyl modified bismaleimide resin prepolymer is 1500-8000 g / mol. The resin composition provided by the invention keeps high heat resistance and high Tg characteristic of the allyl modified bismaleimide resin prepolymer, and achieves UL94V-0 level in halogen-free flame retardant aspect on the basis of low phosphorus content, and simultaneously, has low dielectric constant of the anhydride; and therefore, the resin composition is capable of meeting the requirements of the production process of high-performance printed circuit boards such as a high-density interconnected integrated circuit package.
Owner:SHENGYI TECH SUZHOU

Electronic contract managing system operation platform

InactiveCN1858793AEasy to manageEasy to divide authorityOffice automationElectronic contractsClient-side
An operational platform for electronic contract management system includes a customer end and a server end mutually connected in network, in which, the server end includes: an electronic print center module, a contract template management center module and a user management center module mutually connected with the electronic contract management center module as the center, the customer end includes: a system manager module, an electronic contract manager module and an electronic contract user module mutually connected, the operation platform is completely based on the convenient and transparent network electronic contract solving plan, the electronic stamp is ciphered and integrated with intelligent key plates, the contract template is made dynamically by the template designer sawn and got according to the requirement of the user, the integrated cipher and digital waterprint cipher of the print of the enterprise, the personal print and handwriting signature guarantees the print un-fabricated.
Owner:孟繁波 +1

Monitoring system for electric automobile battery charging and replacing station

InactiveCN102315677ASolve the monitoring problem of compatible charging and swapping of large and small carsMeet the requirementsBatteries circuit arrangementsClosed circuit television systemsVideo monitoringDistribution power system
The invention relates to a monitoring system for an electric automobile battery charging and replacing station. The system comprises a superior system, an electricity distribution monitoring system, a charging monitoring system, a battery replacement monitoring system and a video monitoring system; a monitoring work station, a server, a printer, an electricity distribution system communication management machine and an electricity utilization information collecting terminal are connected with a network exchanger of the charging monitoring system through a local industrial Ethernet; a network exchanger of the electricity distribution monitoring system is connected with a communication gateway of the superior system through the local industrial Ethernet; an intelligent communication terminal of the battery replacement monitoring system is connected with the network exchanger of the charging monitoring system through the local industrial Ethernet; and a video server of the video monitoring system is connected with the communication gateway of the superior system through the local industrial Ethernet. The system can meet the requirement of electric energy complement of large commercial vehicles and small passenger vehicles and can realize omnibearing, effective and real-time monitoring on the battery charging and replacing of electric automobiles.
Owner:CHINA ELECTRIC POWER RES INST +1

Fabric finishing liquor for expelling and killing mosquitoes, method of use and products thereof

ActiveCN1664227AGood stabilityModerate viscosity of the systemBiocideBiochemical fibre treatmentEngineeringTextile
This invention refers to a fabric liquidate liquid used of killing mosquito and method of application and produce. The quality pencent direction of fabric liquidate liquid include pesticide and / or repellent 0.05-40.00%, bond 5.00-40.00%, crosslinking agent 0.025-1.50% and the rest is watetr, the sum of each elements is 100%. The pesticide and repellent is aqua repellent of effective content 1%-50%, the bond is aqua repellent of effective solid content 40%-50%. The use method of fabric liquidate liquid adopt printing liquidate fabric. After use the fabric liquidate liquid and dipping, adjust the roller press, enter in the drying machine with control contained liquid rate 30-150% and the drying temperature is 60-250oC.The textile which make use of fabric liquidate liquid or liquidate method is fiber fabric produce.
Owner:沧州永阔隆化工有限公司

Uplink semi-persistent scheduling released feedback information sending method

InactiveCN101478371ATroubleshoot sending issuesMake sure to accept the statusError preventionWireless network protocolsTelecommunications
The invention provides a method for transmitting feedback information released by uplink semi-persistent scheduling (SPS), wherein the feedback information of resource release signaling of the uplink SPS, as the feedback information of the physical downlink shared channel, is processed. The invention also provides a method for transmitting feedback information released by SPS, wherein for the same one user terminal, when the resource release signaling of the uplink SPS and the resource release signaling of the downlink SPS are transmitted on the same sub-frame, the sub-frame transmits the resource release signaling of only one type of SPS, and the feedback information of the resource release signaling of the transmitted SPS, as the feedback information of the physical downlink shared channel, is processed. The method for transmitting feedback information released by uplink SPS solves the transmission problem of the feedback information released by uplink SPS and solves the problem of compatibility with the acknowledgement / negative acknowledgement (ACK / NACK) feedback information of existing downlink data, thereby ensuring the receiving stat of the resource release signaling of the uplink SPS, preventing the extra interference and unnecessary decoding error, and further ensuring the system performance.
Owner:ZTE CORP

Emulated data visualized and cooperated sharing method

The invention discloses a visualization cooperative sharing method for simulation data in network environment, belonging to the technical field of data visualization for simulation data network communication. The method is characterized in that a simulation data visualization processing module is created at the server side to provide users a parameter submission interface and a processing engine, thus realizing visualization processing the simulation data document according to the necessary parameters, and a simulation data cooperative sharing module is created to provide users a public virtual environment, thus realizing a remote simultaneous display; a common browser is used at client side to provide an operating interface and the visualization parameters are sent to the business logic class in the visualization processing module for visual processing through the parameter submission interface and the processing result is cooperative displayed and annotated in an end to end model between client sides and between the client side and the server. The invention fills in the blank of simulation data visualization and cooperative sharing in network environment.
Owner:TSINGHUA UNIV

Controllable oxidative-biological degradation plastic master batch and preparation method thereof

The invention relates to a controllable oxidative-biological degradation plastic master batch, comprising an inorganic filling material, a carrier, an oxidative degradation promoter, a biodegradation promoter and a degradation control agent, wherein the degradation control agent is an anti-oxidant. According to the plastic master batch provided by the invention, a bivariate control system of oxidative degradation and biodegradation can be optimized and linked according to an actual environment so as to allow the plastic master batch to have environment targeting performance and degradation controllability. A preparation method for the plastic master batch is simple, is easy and convenient to operate, improves mixing and dispersing capability of the plastic master batch and provides an effective solution to overcome the problems of organic-inorganic interfacial compatibility and uniform dispersibility.
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI +1

Intelligent poultry breeding management system on basis of internet of things

The invention discloses an intelligent poultry breeding management system on the basis of an internet of things. The intelligent poultry breeding management system comprises an equipment layer, a sensing layer, a network layer, an application layer, a user interface layer and a control alarm module. The equipment layer comprises a moving unit, a poultry breeding cage and controlled equipment, network signals provided by a communication module of the network layer are transmitted to the application layer via an intelligent gateway of the network layer after information is acquired by the sensing layer, and the application layer is responsible for storing data and managing and controlling the system; the user interface layer performs operation control on the application layer and displays the information of the system via the network. The control alarm module receives instructions of the application layer, controls the controlled equipment and transmits an alarm. The intelligent poultry breeding management system has the advantages that environmental conditions required by growth of poultry can be automatically and intelligently provided, so that the poultry can be finely bred, and growth information of each piece of poultry in farms can be timely provided for the public.
Owner:广西佳禽物联网科技有限公司

Cross-system running method and device for application programs

ActiveCN103327117AOvercoming storage resourcesOvercome computing resourcesTransmissionSoftware simulation/interpretation/emulationOperational systemComputer compatibility
The invention provides a cross-system running method and device for application programs. The cross-system running method comprises the following steps of: receiving a start instruction for the application programs of a mobile terminal, wherein a running environment of the mobile terminal is a first operating system, and a running environment of the application programs is a second operating system; starting the application programs according to the start instruction; receiving a control instruction sent by the mobile terminal aiming at the application programs, and distributing at least one virtual machine of the second operating system by adopting load balance according to the control instruction; and controlling the application programs to run in at least one virtual machine according to the control instruction, and sending a running result to the mobile terminal. According to the method provided by the embodiment of the invention, the application programs of different platforms run in the same mobile terminal, and the problem of compatibility between different mobile terminals is solved; the estrangement between storage and computation resources of the mobile terminal as well as the versions of the application programs is overcome; and the effect of expanding the mobile terminal is achieved.
Owner:BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD

Method for modifying boron nitride nanosheet surface with polydopamine

The invention relates to a method for modifying a boron nitride nanosheet with polydopamine. The invention aims to provide a method of using a mixed solvent of a polar organic solvent and water to conduct ultrasonic stripping of hexagonal boron nitride and modifying a boron nitride nanosheet surface with polydopamine. The boron nitride nanosheet obtained by the method provided by the invention has the characteristics of good dispersibility in the mixed solvent of the polar organic solvent and water, high yield and long storage time. The polydopamine surface modified boron nitride nanosheet prepared by the method has easy storage properties and good dispersibility in a solvent. The method for modifying a boron nitride nanosheet with polydopamine provided by the invention has the advantages of simple operation, safety and low cost, etc.
Owner:SHANGHAI UNIV

Preparation method for polyimide/oxidized graphene nanocomposite film

InactiveCN103589152ASolve the shortcomings of poor wear resistanceSolving Dispersion ProblemsPolyamideDissolution
The invention relates to a preparation method for a polyimide / oxidized graphene nanocomposite film, and belongs to the technical field of preparation of functional polymer materials. The preparation method comprises the following steps: performing ultrasonic even dispersion on the oxidized graphene in an organic solvent to obtain an oxidized graphene sheet suspension, wherein per ml of the oxidized graphene sheet suspension contains 1.3*10<-5>-1.3*10<-4>g oxidized graphene sheets; introducing nitrogen for carrying out deoxidization protection, adding diamine monomers into the suspension, mechanically stirring until full dissolution is achieved, adding dianhydride monomers, the moles of which are equal to that of the diamine monomers, in batches, and mixing for one to six hours under the ice bath conditions, so as to obtain polyamide acid / oxidized graphene composite solution; pouring the polyamide acid / oxidized graphene composite solution onto a die, removing the organic solvent, performing gradient temperature rise within 100-300DEG C, and carrying out thermal imidization to obtain the polyimide / oxidized graphene nanocomposite film.
Owner:JIANGSU UNIV

IPv6 (Internet protocol version 6) based electricity information collection system and method

The invention relates to an IPv6 (Internet protocol version 6) based electricity information collection system and method. The electricity information collection system comprises intelligent measuring devices, an intelligent collecting router and a main collection station. The main collection station is in end-to-end communication with the intelligent measuring devices through the intelligent collecting router; the intelligent measuring devices in a local network are in end-to-end communication. The method includes that 1), the intelligent collecting router collects control instructions issued by the main collection station; 2), the intelligent collecting router forwards the control instructions to the intelligent measuring devices; 3), an intelligent electric meter acquires the control instructions and collects data prior to returning to the intelligent collecting router; 4), the intelligent collector router selects route modes; 5), the intelligent collecting router collects and stores measurement data; 6), the intelligent collecting router forwards the measurement data to the main collecting station.
Owner:STATE GRID CORP OF CHINA +3

Preparation method for halogen-free flame retardant polyester labeled paper

The invention discloses a preparation method for halogen-free flame retardant polyester labeled paper. The method is characterized in that the method comprises the following steps: adopting butyl acrylate, ethylhexyl acrylate, acrylic acid, hydroxyethyl acrylate, ethyl methacrylate, a phosphorus-containing flame retardant monomer, a solvent, an initiator, and the like as raw materials to prepare a phosphorus-containing flame retardant acrylic acid pre-polymerization resin; preparing a phosphorus-containing flame retardant acrylic acid pressure sensitive adhesive; uniformly coating the phosphorus-containing flame retardant acrylic acid pressure sensitive adhesive on a halogen-free flame retardant polyester thin film; compounding the polyacrylate pressure sensitive adhesive-coated halogen-free flame retardant polyester thin film and a polyester release film; and carrying out ripening to prepare the halogen-free flame retardant polyester label product. With the present invention, the flame retardant and pressure sensitive adhesion property, the appearance and the environmental protection quality of the whole label product can be effectively improved, and the halogen-free flame retardant polyester labeled paper can meet the performance requirement of VTM-0 grade flame retardation.
Owner:SICHUAN DONGFANG INSULATING MATERIAL

Microcapsule insecticide-fertilizer preparation, preparation method and application thereof

The invention discloses a microcapsule insecticide-fertilizer preparation, a preparation method and application thereof. The preparation consists of the following components in part by weight: 1 to 30 parts of pesticide microcapsules and 70 to 99 parts of nutrient substance. The preparation method mainly comprises the following steps of: after fully dissolving a pesticide with a solvent, adding a wall material monomer into solution and mixing uniformly; transporting a mixture into a shear dispersion reaction kettle which is filled with smashed capsule bodies; stirring the mixture and the capsule bodies so that the capsules fully absorb the solution; performing a shear dispersion reaction to form capsules; performing solid-liquid separation and drying to prepare the pesticide microcapsules; adding the nutrient substances into the pesticide microcapsules; and fully stirring and uniformly mixing to prepare the microcapsule insecticide-fertilizer preparation. By using the microcapsule insecticide-fertilizer preparation and the preparation method, the problems of the chemical compatibility and the physical stability of the conventional insecticide-fertilizer preparation in the same system are solved effectively. A product of the invention has the advantages of: shielding and slow-releasing functions, high chemical compatibility and physical stability, lasting pesticide effect, natural degradability, no environment pollution, low use cost and simple production process.
Owner:侯金荣 +1

Nanometer/ultrafine crystal structure ultrahigh-strength plasticity austenitic stainless steel and preparation method

The invention discloses nanometer / ultrafine crystal structure ultrahigh-strength plasticity austenitic stainless steel and a preparation method, and belongs to the field of ultrahigh-strength plasticity alloy steel production. Raw materials comprise the following chemical components: 0.08-0.15% of C, 0.35-0.75% of Si, 7.5-10% of Mn, 0.5-0.9% of Cu, 1-1.5% of Ni, 14-16% of Cr, 0.1-0.25% of N, P notmore than 0.06%, S not more than 0.03%, and the balance of iron and inevitable impurities. After smelting by a vacuum induction furnace, a casting blank is forged, and a forging is hot rolled; twicecold rolling annealing is performed after the solid solution treatment; a nanometer / ultrafine crystal composite structure is obtained by using reversion of strain induction martensite and recrystallization of deformation austenite. The ultrahigh-strength plasticity of stainless steel is realized through fine crystal strengthening, back stress reinforcement, deformation induction twins effect and deformation induction martensite effect. The prepared stainless steel is prominent in comprehensive mechanical performance; the yield strength reaches 1150-1320 MPa, and is 3.2-4.5 times in an originalsolid solution state; the tensile strength reaches 1350-1440 MPa; the ductility still achieves a higher level of 39.2-47.3%; the cost is lower; and the preparation method is simple and feasible.
Owner:UNIV OF SCI & TECH BEIJING

Preparation of magnetic molecularly imprinted polymer and application in complex sample pre-processing

The present invention specifically adopts a simple method for preparing a molecularly imprinted polymer and directly applies the molecularly imprinted polymer to the extraction separation of trace substance in the complex sample pre-processing. The invention adopts a chemical coprecipitation method for preparing Fe3O4 magnetofluid. Then the surface of Fe3O4 magnetofluid is modified with oleic acid. The template molecules and functional monomers are realized with preassembling and are mixed with the cross linker and modified magnetofluid. Then the mixture is added into the polymer solvent containing dispersing agent. After the reaction is finished, magnetic field separation is executed. The polymer is dried after eluting the formwork molecules. A three-phase extraction system which is established on the base of magnetic molecularly imprinted polymer can be directly applied to the extraction separation of complex samples of food, environment and biological sample. The method of the invention has excellent selectivity and can eliminate the matrix interference in the sample. Furthermore as the polymer has excellent magnetism, the polymer can excellently realize the separation to the sample matrix after the extraction, and the polymer has broad application prospect in the complex sample pre-processing.
Owner:JILIN UNIV

Starch-filled PLA/PBAT full-biodegradable composite material and preparation method thereof

The invention provides a starch-filled PLA / PBAT full-biodegradable composite material and a preparation method thereof, and belongs to the field of high polymer materials. A purpose of the invention is to solve the problems of poor toughness, brittleness and easy breaking of polylactic acid and the technical problems of difficult processing of starch, poor compatibility with PLA / PBAT resins and the like. The starch-filled PLA / PBAT full-biodegradable composite material comprises, by weight, 5-90 parts of polylactic acid, 10-90 parts of polyadipic acid / butylene terephthalate, 10-50 parts of starch, 2-15 parts of a plasticizer, 0.1-5 parts of a coupling agent, 0.1-0.5 part of a dispersing agent, 0.1-1 part of a compatibilizer and 0.1-0.5 part of an antioxidant. According to the invention, thepreparation method can be applied to preparation of starch-filled PLA / PBAT full-biodegradable composite materials.
Owner:QINGDAO RICH PLASTIC NEW MATERIAL

Phase change graphite powder with phase change energy storage function and preparation method thereof

InactiveCN102031090AWith phase change energy storage functionImprove thermal conductivityHeat-exchange elementsInorganic saltsGraphite
The invention belongs to the technical field of composite materials with thermal functions, and in particular relates to a phase change graphite powder with a phase change energy storage function and a preparation method thereof. The phase change graphite powder is made of graphite and an inorganic salt phase change material and is prepared by the steps of graphite intercalation, puffing, dipping, evaporating, smashing and cladding, wherein the inorganic slat phase change material is distributed in graphite pores; and the inorganic salt phase change material is inorganic salt hydrate or a high-temperature inorganic salt phase change material. The phase change graphite powder prepared by the invention has the advantages of high heat-conducting property, favorable sealing property, not easy leakage and the like, and can be conveniently applied to various occasions, such as producing building materials and manufacturing high-temperature heat storage devices, electronic heat radiators and the like, thereby being widely used.
Owner:张东

Non-contact type IC card read-write system and non-contact type IC card read-write machine

The invention discloses a non-contact IC card read-write system and a non-contact IC card read-write device, which solves the problems that most of the prior financial terminals can not accept non-contact IC cards, and the prior read-write device can not be compatible with all types of terminals even if very few financial terminals can accept the non-contact IC cards. The system comprises a terminal application module arranged in a terminal system and the non-contact IC card read-write device externally hung on the terminal system, wherein the read-write device comprises a core manager, a communication interface, a radio-frequency module and an antenna; the terminal application module communicates with the read-write device through the communication interface; the read-write device communicates with the non-contact IC cards through the radio-frequency module; and the core manager is used for controlling the communication interface, the radio-frequency module and the antenna. The read-write device can apply to various types of the prior terminals, thereby solving the compatible problem of the read-write device with various types of terminals. In addition, the mode that the read-write device is externally arranged on the prior terminal can construct non-contact IC card accepting environment with low cost.
Owner:CHINA UNIONPAY

Modified graphene oxide and epoxy resin composite material and method for preparing same

ActiveCN105906842AFix compatibility issuesTo overcome the disadvantage of lower performanceEpoxyEpoxy resin composite
The invention discloses a modified graphene oxide and epoxy resin composite material and a method for preparing the same. The modified graphene oxide and epoxy resin composite material and the method have the advantages that graphene oxide is modified by the aid of polyether amine to obtain novel polyether amine modified graphene oxide materials, and accordingly the problems in the aspect of dispersibility of graphene in polymer matrixes can be effectively solved; as proved by test results, the tensile mechanical strength, the toughness and the bending strength of epoxy resin materials can be simultaneously greatly improved by the added polyether amine modified graphene oxide while the glass transition temperatures of the epoxy resin materials is increased by the added polyether amine modified graphene oxide, enhancement effects of the epoxy resin materials are superior to enhancement effects of epoxy resin materials with unmodified graphene oxide, and accordingly the modified graphene oxide and epoxy resin composite material and the method have broad market application prospects.
Owner:SICHUAN UNIV
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