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2158results about How to "Complete structure" patented technology

Remote vedio monitoring system based on next generation interconnection network and its implementing method

This invention relates to a remote video monitor system and a realization method based on the next generation, in which, said system is composed of a communication network, a front monitor device, a monitor center and a remote monitor customer end and a business supporting platform, provides business level remote video monitor service to the public by applying a multi-stage regional structure network topological and digital video compression coding technology, supporting two kinds of network protocols of IPv6 and IPv4 at the same time and using the IPv6 transmission data first, in which, coding addresses of the monitor nodes are ruled and unified and the monitor terminal is set with the only IP address in the world suitable for being accessed and applied at any time and any place.
Owner:BEIJING INTERNET INST

Method and apparatus for reporting channel state in multi-carrier system

A method and an apparatus for reporting a channel state in a multi-carrier system are provided. User equipment receives an uplink grant including an uplink resource allocation and a channel quality indicator (CQI) request via one downlink carrier from among a plurality of downlink carriers. The user equipment reports CQIs for the plurality of downlink carriers via a plurality of subframes in accordance with the CQI request.
Owner:LG ELECTRONICS INC

Remote video monitoring system based on session initialize protocol and its implementing method

InactiveCN1913533AReduce loadImprove system scalabilityTransmissionClient-sideControl function
This invention relates to a remote video monitor system and a method based on the SIP protocol, in which, said SIP applied system is composed of a communication network, a front monitor device, a monitor center and a remote monitor customer end and an operation support platform and the communication network includes: IP network, PSTN network, ISDN and a mobile communication network,which takes the open SIP protocol as the core signaling protocol to realize the functions of system registration, setting up monitor session, transmitting monitor information and removing the monitor session and expand information body in the SIP short message to realize system session parameter negotiations, SIP short message transmission, adjustment of monitor parameters, managing and controlling front end monitor device, collecting charge information and expanding device kinds or increasing new control functions to meet the needs of open expansion applied needs and realize large scale applications by the current networks.
Owner:BEIJING INTERNET INST

Catheter with ultrasound sensor and method for creating a volume graphic by means of the catheter

A method is provided for creating a volume graphic via a catheter for introduction into a vessel which has an ultrasound unit, which is embodied to transmit ultrasound, to measure an echo of the transmitted ultrasound, and to create image data for a two-dimensional cross-section of the vessel on the basis of the measured echo. The method involves creating image data of a cross-section with the ultrasound unit at a plurality of different positions on a movement track of the catheter, and, in addition to the image data, creating position data for the current position of the ultrasound unit with a localization device. The method further involves creating the volume graphic from the image data of all cross-sections in which the cross-sections are arranged relative to one another in accordance with the position data.
Owner:SIEMENS HEALTHCARE GMBH

Manufacturing method of paraffin sections of zostera marina embryo

The invention discloses a manufacturing method of paraffin sections of zostera marina embryo, comprising the following steps: (1) material drawing and fixation: zostera marina seeds are taken and the fruit skin is stripped, and after endosperm is removed, an integral zostera marina embryo is soaked in FAA (free amino acids) fixing solution and is fixed for more than 48 hours; (2) dehydration: the zostera marina embryo is taken out from the fixing solution and is soaked in alcohol for dehydration; (3) waxing and embedding: paraffin is added gradually in a vessel containing the zostera marina embryo and dimethylbenzene, and conventional paraffin embedding is carried out to obtain the wax blocks containing the zostera marina embryo; (4) slicing, spreading and drying: the wax blocks coated with the zostera marina embryo is fixed on a wheel rotation type slicing machine for carrying out continuous slicing of the paraffin, so as to obtain wax bands and enable the wax bands to be attached to an object slide; (5) dewaxing, rehydration and dyeing of hematoxylin dye solution; (6) slicing, dehydration and dyeing of eosin and alcohol; and (7) transparence and mounting are carried out to manufacture a permanent section. In the manufacturing method disclosed by the invention, the paraffin sections of the zostera marina embryo, which have clear dyeing and an integral texture structure, can be obtained.
Owner:SHANDONG ORIENTAL OCEAN SCI TECH

Multifunctional graphene electrothermal paste, multifunctional electrothermal film prepared by same, preparation method and application

The present invention discloses multifunctional graphene electrothermal paste, a multifunctional electrothermal film prepared by the same, a preparation method and application. The preparation methodcomprises the following steps that: (1) graphene nanoplatelets are modified by introducing inducible lipidation and cross-linking reaction groups; (2) the modified graphene, a lipidizable and cross-linking reaction emulsion and various kinds of additives are subjected to liquid phase mixing, the above dispersion liquid is induced to undergo in-situ esterification and cross-linking reaction, so that graphene-based homogeneous electrothermal paste can be formed; (3) an electrothermal paste loading matrix is modified, so that the interfacial property of the electrothermal paste and the matrix material can be enhanced; and (4) the graphene electrothermal paste can be combined with different base materials, so that electrothermal products can be prepared. The graphene electrothermal material ofthe invention has the advantages of adjustable resistivity, adjustable use voltage, adjustable heating efficiency, far infrared heating function, flame retardancy, wide application range, high safety, energy-saving performance and the like, and can be applied to home building material manufacturing, human body care, aviation equipment, medical equipment, transportation pipelines, automobiles andother fields.
Owner:SHANXI INST OF COAL CHEM CHINESE ACAD OF SCI

Preparation method of nitrogen-doped zinc oxide film

The invention relates to the technical field of zinc oxide preparation, and in particular relates to a preparation method of a nitrogen-doped zinc oxide film. The preparation method comprises: placing a silicon substrate in the reaction cavity of atomic layer deposition (ALD) equipment; introducing gas containing a zinc source into the reaction cavity of the ALD equipment, wherein the zinc atoms in the gas containing the zinc source are adsorbed to the silicon substrate; conveying hydrogen to the reaction cavity of the ALD equipment based on nitrogen as a carrier gas, and simultaneously carrying out plasma discharge; introducing an oxygen-containing source to the reaction cavity of the ALD equipment, wherein the zinc atoms which do not react with nitrogen atoms form zinc-oxygen bonds withthe oxygen atoms in the oxygen-containing source; and repeating the steps, so as to grow the zinc oxide film containing the nitrogen atoms layer by layer. In the preparation method provided by the invention, nitrogen doping is carried out on the zinc oxide film by utilizing the ALD equipment; the method is simple and practicable; by utilizing the characteristic of atomic layer deposition and single-layer cycle growth, the uniform nitrogen doping in the whole film structure can be achieved in the process of zinc oxide film growth so that the doped film is complete in structure and excellent inproperty.
Owner:INST OF MICROELECTRONICS CHINESE ACAD OF SCI

Multilanguage question and answer interface fast constituting method based on domain ontology and template logics

The invention relates to a multilanguage question and answer interface fast constituting method based on domain ontology and template logics. The method comprises the following steps of (1) multilanguage domain ontology structure building; (2) first-order template logic system building based on the domain ontology; (3) multilanguage question template structure design based on domain ontology and template logics; (4) domain-oriented question template base building; (5) user question preprocessing and question template matching; (6) user question semanteme obtaining and multilanguage intertranslation method. The multilanguage question and answer interface fast constituting method has the advantages that the question template semanteme can be more precisely expressed through the domain ontology and the template logics, the question template expression ability is improved by combining template operation characters, higher representativeness is realized, the template base scale can be reduced, in addition, a multilanguage body is similar to a multilanguage semantic dictionary, and the cross-language information inquiry can be easily realized. According to the method, various multilanguage man-machine interactive interfaces of field-oriented intelligent information retrieval and automatic question and answer systems can be fast constituted.
Owner:盐城市凤凰园科技发展有限公司

Nickel disulfide carbon nano composite material and preparation method and application thereof

The invention relates to a nickel disulfide carbon nano composite material and a preparation method and an application thereof, wherein the composite material is formed by coating a nickel disulfide nanosheet with a carbon layer. The preparation method comprises the following steps of preparing a nickel hydroxide nanosheet precursor by a hydrothermal method, performing magnetic stirring and dispersing in deionized water to obtain a uniform dispersion liquid of the nickel hydroxide nanosheet precursor, adding a buffering agent tris(hydroxymethyl) aminomethane hydrochloride, and adjusting the pHvalue to be 8.5 by adopting an alkali solution with the pH value of 13, adding dopamine hydrochloride, and magnetically stirring at room temperature for in-situ polymerization, and carrying out washing and centrifugally drying to obtain a nickel hydroxide nanosheet precursor / polydopamine composite material, and carrying out heat treatment and vulcanization with sublimed sulfur powder in a tubularfurnace in nitrogen atmosphere at a certain temperature to obtain the composite material. The preparation process is simple, easy to operate, green and non-toxic and friendly in material preparationprocess; and the prepared nickel disulfide carbon nano composite material is stable in structure, uniform in morphology and high in dispersion. The obtained nickel disulfide carbon nano composite material can be an ideal electrode material of a high-performance lithium ion battery, a supercapacitor and other new energy devices.
Owner:DONGHUA UNIV

High speed magnetic suspension train travel control system

The high speed magnetic suspension train operation control system includes central system in the control center, divisional systems in the stations and transformer stations beside rail, and vehicular systems on trains. The central system includes control system, fault diagnosing system and operation simulating system with safety computer system to raise the safety and the efficiency magnetic suspension train system. The divisional system consists of divisional safety control and managing system, drive control and speed limiting system, switch control system and powering and measuring system, and has modular safety computer. The vehicular system has two independent safety control and speed limiting systems for raised reliability. All the systems are connected via radio or wired communication network.
Owner:BEIJING JIAOTONG UNIV

Preparation method of Al2O3-SiC-C castable material for slag line of main trough of blast furnace

The invention relates to an Al2O3-SiC-C castable material for a slag line of a main trough of a large blast furnace and a preparation method thereof. The castable material comprises an aggregate, a matrix, a bonding agent, an antioxidant and an admixture; wherein, the aggregate comprises corundum grains and carborundum grains; the matrix comprises ball pitch, flake graphite, corundum fine powder, a-Al2O3 ultrafine powder, silicon powder and carborundum ultrafine powder; the bonding agent is aluminate cement; the antioxidant is a compound of aluminium powder and silicon powder; the admixture comprises a water reducing agent and a detonation suppressor. The castable material is prepared by the steps of mixing various raw materials evenly, adding water, stirring, casting molding, maintaining and drying. The castable material has strong anti-slag corrosion and anti-scour capabilities, good high temperature resistance, abrasion resistance and thermal shock resistance, slight reheating change and long service life.
Owner:BEIJING TONGDA REFRACTORY TECH CO LTD

Integer-order and fractional-order multifunctional chaotic experiment instrument

The invention discloses an integer-order and fractional-order multifunctional chaotic experiment instrument, which can be used for realizing experiment of a three-dimensional or four-dimensional integer-order or fractional-order chaotic system and can output a time-sequence diagram or a phase diagram by a dual-trace oscilloscope. The integer-order and fractional-order multifunctional chaotic experiment instrument comprises a shell and an internal circuit board, wherein the internal circuit board is arranged in the shell; the internal circuit board is provided with a power circuit, an I-part circuit and an II-part circuit; the I-part circuit and the II-part circuit are used for generating chaotic signals and are the same in circuit structure; each part consists of four channels; each channel comprises a signal input circuit, an adder circuit, an integral circuit and a chaotic signal output circuit; each adder circuit is respectively connected with the corresponding signal input circuit and the corresponding integral circuit; and the output end of each integral circuit is connected with the corresponding chaotic signal output circuit. The integer-order and fractional-order multifunctional chaotic experiment instrument disclosed by the invention is simple and reasonable in structure, good in stability, high in reliability and strong in practicability, can be used for teaching in a physical laboratory of the college, can also be used as common scientific and research equipment of the research institutions, and completely meets the research need of the current chaotic phenomenon.
Owner:YULIN NORMAL UNIVERSITY

Method for generating composite oxide nanotube array on high-entropy alloy surface

The invention relates to a method for generating a composite oxide nanotube array on the high-entropy alloy surface. The method includes the steps that a high-entropy alloy is subject to anodic oxidation after surface pretreatment is carried out, the oxidation voltage and the oxidation time are changed, and composite oxide nanotubes with different diameters and different thicknesses can be generated on the high-entropy alloy surface. After the prepared composite oxide nanotubes are subject to high-temperature heat treatment, amorphous type nanotube crystallization is carried out; and meanwhile, the heat stability of the nanotube array is high, and the complete nanotube array morphology can be kept after high-temperature heat treatment. The composite oxide nanotube array prepared through the high-entropy alloy has the higher heat stability, and can be applied at a higher temperature, for example, high temperature catalyzing, high temperature gas sensitivity and the like can be achieved. In this way, thin films of the generated composite oxide nanotubes will have a great promotion effect on expanding the application of the high-entropy alloy.
Owner:UNIV OF SCI & TECH BEIJING

Nanometer level polishing solution and preparation method thereof

ActiveCN102311706AMeet the requirements of thinning grinding processEasy to polishPolishing compositions with abrasivesSilica gelSolvent
The invention discloses a nanometer level polishing solution and a preparation method thereof. The polishing solution is prepared from the following components in percentage by mass: 0.1 to 10 percent of monocrystal artificial diamond micro powder, 0.1 to 5 percent of aluminum oxide micro powder, 0.1 to 10 percent of silica gel, 0.3 to 10 percent of surfactant, 0.05 to 4 percent of dispersing agent, 0.5 to 1 percent of lubricant, 0.01 to 1 percent of chemical PH value regulator and 60 to 98.2 percent of solvent. The invention also discloses the preparation method for the nanometer level polishing solution. By the method, mixed serous fluid is prepared from the nanometer level diamond, the aluminum oxide and the silica gel, so an ideal polishing effect is achieved, the requirement of a process for thinning and grinding substrates (silicon carbide and sapphire) for GaN extension is met, and a technical means is provided for a polishing process for semiconductors.
Owner:INST OF MICROELECTRONICS CHINESE ACAD OF SCI

Built-in type 4 axis sport controller

The invention discloses an embedded four-axis motion controller which comprises a main controller and a motion control module. An output of the main controller is connected with the motion control module through an output interface, and the motion control module is respectively connected with an X-axis motion component, a Y-axis motion component, a Z-axis motion component, and a U-axis motion component. The controller of the invention adopts an S3C44BOX chip based on an ARM7TDMI core which is promoted by the Samsung company as the main controller, adopts a motion control chip MCX314As which is specially used by the NOVA company in Japan as an interpolate controller, adopts a PC104 bus interface with strong insertion ability, combines the embedded CPU with a special DSP motion control chip, embeds the motion control function in the framework of the ARM main control plate with a PC 104 function module method, cuts off the equipment that is not in need, has a plurality of functions and saves the cost. The invention is an independent motion controller which can be separated from a host computer and is characterized by strong computing ability and low cost, thereby extremely reducing the size of the system, lowering the power consumption, and improving the reliability and the openness of the system.
Owner:GUANGDONG UNIV OF TECH

High-temperature expanded polymer microspheres and preparation method thereof

The invention provides high-temperature expanded polymer microspheres and a preparation method thereof and belongs to expandable particles. The high-temperature expanded polymer microspheres are prepared from a thermoplastic resin shell body and a foaming agent packaged in the shell body, wherein an oil-phase composition composed of a polymerizable monomer and a crosslinking agent can be dispersedinto a water-phase dispersed composition; in the presence of the foaming agent, the polymer microspheres coated with the foaming agent are directly prepared through carrying out suspension polymerization reaction and coating the foaming agent in situ; the high-temperature expanded polymer microspheres are characterized in that the oil-phase composition contains the polymerizable monomer and the crosslinking agent, and also comprises a silane coupling agent; the foaming agent is a mixture of isopentane, isooctane and n-octane; the high-temperature expanded polymer microspheres provided by theinvention have the advantages of complete core-shell structure, uniform grain diameter distribution, high foaming agent coating efficiency, good heat resistance of a shell-layer polymer, relatively high initial temperature in an expansion process, relatively high highest expansion temperature and high foaming ratio, have a relatively wide foam stabilizing temperature range, and are suitable for being applied to a thermoplastic resin, rubber or thermoplastic elastomer foaming and processing technology.
Owner:SHANDONG RUIFENG CHEM

Recovery method of positive active material in lithium ion battery waste material

The invention provides a recovery method of a positive active material in a lithium ion battery waste material. The method includes the following steps: S1, heat treatment of the waste material is performed at 350-500DEG C in inert gas or reducing gas atmosphere; S2, powder product obtained in the step S1 is sintered at 600-800DEG C in the inert gas or reducing gas atmosphere; and the positive active material is obtained by recovery; the positive active material is one or multiple substance selected from lithium phosphate, lithium silicate or a vanadium material of lithium. The positive active material obtained by recovery is high in charge and discharge capacity, and high in charge and discharge efficiency, the obtained positive active material is even in particle size distribution, and complete in crystal structure, the technical process of the recovery method is simple, the requirement on equipment is low, the process is easy to control, at the same time, the recovery process may not cause a negative impact on the active material, physical and chemical properties and electrochemical activity of the active material may not be affected, the recovery and reuse of the positive active material raw material can be realized, the cost can be saved, and the recovery method has environmental-friendly benefits.
Owner:BYD CO LTD

Method and device suitable for measuring fluffing and pilling amount and abrasion amount of textile

The invention relates to a method and a device suitable for measuring the fluffing and pilling amount and abrasion amount of a textile. The device is composed of a cloth sample barrel for coiling and clamping the textile, a rubbing mechanism for fluffing and pilling a cloth sample, a mini-type dust collector for collecting fallen fibers and fuzzy balls, an electrostatic electrode for assisting filoplume to be vertical, a collector for shearing and collecting the fuzzy balls and the filoplume, an optical measurement system for observing the fuzzy balls of the cloth sample, an electronic scale for weighing the weight of the filoplume fuzzy balls, a data acquisition and control system and a computer. The measurement method comprises the following steps: after coiling the cloth sample by equal tension, immediately measuring the filoplume significance as well as the quantity, form, size and distribution of the fuzzy balls; rubbing, fluffing and pilling to prepare a sample and synchronously measuring the process and measuring the filoplume significance of a final rubbing sample, the fuzzy ball quantity, the abrasion to the filoplume fuzzy balls and the remaining amount. The device and the method are ingenious, practical, accurate and quantitative; in-situ measurement for one machine with a plurality of purposes and one measurement process with a plurality of indexes is realized; the device and the method can be used for preparing the sample by fluffing and pilling the textile, measuring the fluffing and pilling amount and abrasion amount of the textile, and carrying out comprehensive analysis and evaluation.
Owner:DONGHUA UNIV

Method for producing phenolic resin based foam carbon with secondary curing method

The invention relates to a method for preparing phenolic resin base foam carbon by using the secondary solidification method, which comprises the following steps: uniformly dissolving thermoplastic phenolic resin and hexamethylene tetramine by using an organic solvent at the normal temperature, placing in a high-temperature high-pressure autoclave, pressurizing to keep the pressure within the scope of 0.8 to 2.5 MPa, heating to 250 to 300 DEG C according to a certain temperature procedure to be foamed and solidified, and preparing a preparing phenolic resin base foam solidified body; then grinding the foam solidified body into a powder shape, adding phenolic resin to be as a binding agent, heating and molding in a mould; and solidifying and pressing into a regular shape; and finally placing a sample after being pressed into a carbonization furnace to be heated and charred according to a certain temperature procedure and preparing the preparing phenolic resin base foam carbon. The invention has advantages of large dimension and regular appearance.
Owner:SHANXI INST OF COAL CHEM CHINESE ACAD OF SCI

Cu-SAPO-34 molecular sieve catalyst and preparation method and application thereof

The invention provides a Cu-SAPO-34 molecular sieve catalyst and a preparation method and application thereof. The method includes the steps of adding pseudo-boehmite to deionized water, stirring, adding fumed silica or silica sol and orthophosphoric acid, uniformly mixing, adding copper sulfate and tetraethylenepentamine, fully stirring, and adding diethylamine, triethylamine or n-propylamine; placing fully stirred gel in a hydrothermal reaction kettle for crystallization, cooling at room temperature, separating a solid crystalline product from the mother liquor, washing to be in neutral, drying, and calcinating in air at the temperature of 600 DEG C to 850 DEG C to obtain the Cu-SAPO-34 molecular sieve catalyst. The Cu-SAPO-34 molecular sieve catalyst prepared through a one-step hydrothermal synthesis method. And the molecular sieve catalyst of good NH3-SCR catalytic activity and hydrothermal stability is obtained by controlling the using amount of copper sulfate, tetraethylenepentamine and fumed silica or silica sol and the calcination temperature.
Owner:江西中科鸿虔新材料有限公司

Method for preparing gold/titanium dioxide core-shell nanoparticle

The invention discloses a method for preparing a core-shell nanoparticle which contains a noble metal core. The method comprises the following processing steps of: (1) preparing a carbon nanosphere which contains noble metal; (2) covering a shell on the outside of the carbon nanosphere which contains the noble metal; and (3) preparing the core-shell nanoparticle which contains the noble metal core. In the step (2), the shell is covered by dissolving the carbon nanosphere which contains the noble metal core in absolute ethyl alcohol, utilizing ammonia to control the hydrolytic speed of tetrabutyl titanate or ethyl orthosilicate, and reacting to obtain the shell covered on the outside of the carbon nanosphere which contains the noble metal. In the step (3), processes of slow heating and low-temperature preservation are adopted for calcination. According to the process, the ammonia is utilized to control the hydrolytic speed of the tetrabutyl titanate or the ethyl orthosilicate, and high-temperature backflow of an organic solvent is not needed so that reaction conditions are milder. The method has the advantages of simple process flow and suitability for industrial production. The noble metal core obtained by using the method has the advantages of uniform size, good granularity and integral shell structure.
Owner:UNIV OF SCI & TECH BEIJING

Bayesian saliency based SAR image target detection method

The invention discloses a Bayesian saliency based SAR image target detection method and mainly solves the problems of low detection accuracy and incomplete structure of a detected target on a binary image in an existing SAR image target detection technology. The method is implemented by the steps of performing superpixel segmentation on an original SAR image; constructing a prior saliency map, a foreground likelihood graph and a background likelihood graph by utilizing a superpixel segmentation result; fusing results of the prior saliency map, the foreground likelihood graph and the background likelihood graph in a Bayesian framework to obtain a Bayesian posterior saliency map; segmenting the Bayesian posterior saliency map to obtain a binary image with a suspected target region; and performing clustering and false alarm region removal on the binary image and extracting a suspected target slice on an original SAR image, thereby finishing the SAR image target detection. Compared with dual-parameter CFAR detection, the method has the advantages of high detection accuracy and relatively complete structure of the detected target on the binary image, thereby being suitable for SAR image target detection in complicated scenes.
Owner:XIDIAN UNIV

Method for quickly preparing high-quality graphene

The invention discloses a method for quickly preparing high-quality graphene. Graphite powder and solid intercalator which can be fully decomposed into gas after being heated are mixed, ball-milled and properly heated to realize intercalation, then 100 to 1200W microwave radiation treatment is performed for 0.05 to 10min, the intercalator is fully decomposed into gas at a high temperature, and gas molecules seep into graphite sheets and overcome Van der Waals force between the graphite sheets to enable graphite to be effectively stripped. The method for quickly preparing high-quality graphene has the advantages of simple preparation process, low manufacturing cost, convenience in process operation, quickness and high efficiency, environment friendliness, high product quality, easiness in large-scale use and the like.
Owner:HUAQIAO UNIVERSITY +1

Method for preparing TPU foamed beads by continuous extrusion foaming

The invention discloses a method for preparing TPU (Thermoplastic Polyurethane) foamed beads by continuous extrusion foaming. The method comprises the steps of (1) mixing TPU particles with inorganic nano-particles which are organically modified, adding the mixed TPU particles into a material barrel of a first extruder, melting the TPU particles into a polymer melt by screw heating, and injecting a supercritical fluid into the tail end of the first extruder to mix the supercritical fluid with the polymer melt; (2) injecting a mixed polymer / high-pressure fluid melt into a second extruder through a melt pump, and gradually reducing the temperature of a heating area of the second extruder to obtain a polymer / supercritical fluid melt which is cooled and uniformly mixed; (3) extruding the polymer / supercritical fluid melt from an opening mold of the second extruder, and performing underwater ring cutting to obtain TPU foamed particles. According to the method, a TPU foamed particle molding body material which enables the foamed particles to be well bonded after steam molding can be quickly prepared.
Owner:NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI

Graphene conductive ink and preparation method thereof

The invention provides graphene conductive ink. The graphene conductive ink comprises components as follows: 0.5%-20.0% of a few layers of graphene, 0%-20.0% of carbon nano tubes, 0%-20.0% of conductive carbon black, 0%-20.0% of superfine conductive graphite powder, 15%-45% of resin, 0.1%-5.0% of a wetting dispersant, 30%-70% of a solvent and 0.5%-6% of auxiliaries. The paper-model conductive inkprepared with the method is difficult to disperse in the composite material, and the stability is substantially improved. By means of screening for the dispersant at the earlier stage, graphene can beeasily dispersed in a diluent in a mixing process of graphene powder and the diluent, graphene and other carbon materials are complementary in structure, a three-dimensional conductive network is formed, and therefore, conductivity of conductive ink is quite stable. Graphene conductive ink prepared with the method is excellent in product performance and stable in quality, has lower requirement for equipment and is suitable for industrial production, and the technological process is simple.
Owner:SHENZHEN GUOCHUANG JIAWEI GRAPHENE TECH CO LTD

Method for thinning sapphire wafer

The invention discloses a method for thinning a sapphire wafer. The method comprises the following steps: step 1, cleaning a sapphire wafer of which a circuit is made on the front side; step 2, evenly coating a photoresist on the front side of the sapphire wafer; step 3, adhering the front side of the sapphire wafer to a sapphire rounded tray; step 4, installing the sapphire rounded tray on a thinning device to thin the back of the sapphire wafer; step 5, performing a rough grinding on the back of the sapphire wafer; step 6, performing a moderate grinding on the back of the sapphire wafer; step 7, performing a low grinding on the back of the sapphire wafer; step 8, performing fine grinding on the back of the sapphire wafer; step 9, polishing the back of the sapphire wafer; and step 10, washing the sapphire wafer. The method can be used to realize new technique achievements with quick operation, complete wafer structure, no major physical damage, fine and smooth surface and small deformation; and meanwhile, the total thickness of the thinned sapphire wafer is less than 100 mu m.
Owner:INST OF MICROELECTRONICS CHINESE ACAD OF SCI

Liquid shampoo for nourishing hair and preventing break and phalacrosis

ActiveCN101129313ADilated scalp capillariesPromote blood circulation in the scalpCosmetic preparationsHair cosmeticsMedicinal herbsSurface-active agents
Disclosed is a hair washing liquid for nourishing hair, wherein the constituents include (by weight percent) medicinal herbs extract 10-30%, keratin 2-10%, surface active agent 13-20. 5%, smoothing conditioner 4. 2-7. 5%, acid-alkali conditioning agent 0. 3-1. 5%, deionized water 32-65%. The medicinal herbs comprises the constituents of (by weight ratio) tuber of multiflower knotweed 15-30 parts, Chinese angelica root 15-30 parts, astragalus root 15-30 parts, arborvitae tops 10-30 parts, sesame seed 10-30 parts, ligustrum japonicum 10-30 parts, ginseng 10-30 parts and wild pepper 15-30 parts.
Owner:广州好迪集团有限公司

Method for preparing grapheme by means of aqueous phase cutting and stripping

The invention relates to a method for preparing grapheme by means of aqueous phase cutting and stripping. The method comprises the following steps: 1) performing intercalation treatment on graphite serving as a raw material to prepare a graphite intercalation compound; 2) adding a certain amount of active substances, and cutting a graphite interlamination compound under a certain condition; and 3) centrifuging or filtering mixed liquid subjected to cutting treatment to prepare a high-concentration grapheme sizing agent or a filter cake which can be dispersed again. According to the method, the cutting operation is carried out by using low-cost reagents at a room temperature; because of low energy consumption, no pollution and high efficiency, the prepared graphene nanolamellas can be widely applied to the fields of energy storage and conversion, catalysis, various types of composite materials, paintings, conductive ink and the like.
Owner:安徽百特新材料科技有限公司
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