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Method of producing soi wafer and soi wafer
InactiveUS20050118789A1High crystallinityHigh yieldSolid-state devicesSemiconductor/solid-state device manufacturingWaferingExtremely good
The present invention relates to a method of producing an SOI wafer in which an SOI layer is formed on a buried oxide film by forming an oxide film on a surface of at least one of a bond wafer and a base wafer, bonding the bond wafer to the base wafer through the formed oxide film, and making the bond wafer into a thin film, wherein after the oxide film is formed so that a total thickness of the oxide film formed on the surface of at least one of the bond wafer and the base wafer is thicker than a thickness of the buried oxide film that the SOI wafer to be produced has, the bond wafer is bonded to the base wafer through the formed oxide film, the bond wafer is made into a thin film to form an SOI layer, and thereafter, an obtained bonded wafer is subjected to heat treatment to reduce a thickness of the buried oxide film. Thereby, there can be provided a method of producing an SOI wafer in which blisters and voids are not generated even if the thickness of the buried oxide film is thinned, and its SOI layer has extremely good crystallinity.
Owner:SHIN-ETSU HANDOTAI CO LTD
Sewage sludge shale ceramic particle and preparation method thereof
InactiveCN101186485AHigh strengthLow water absorptionCeramic materials productionClaywaresLand resourcesBrick
Sewage sludge shale ceramsite and a preparation method thereof are provided, which relates to the light energy-saving ceramsite of building materials and a preparation method thereof. The ceramsite of the invention consists of sewage sludge, shale and admixtures; the method of the invention uses the sewage sludge, the shale and the admixtures as raw materials; first, the shale is grinded into shale powder and then the sewage sludge, the shale and the admixtures are mixed and wedged to be granulated into round particles and then enter into a kiln; the products are obtained after going through drying, preheating, barking and being taken out of the kiln for cooling. The ceramsite employs the sewage sludge discharged directly from sewage treatment plants and the shale as major materials, which greatly saves land resource and partial shale mine resource and provides an extremely good way for the non-hazardous and reclaiming treatment of sewage sludge; the method of the invention is simple, energy-saving and resources-saving and the density rank of the ceramsite is 300-700. The ceramsite of the invention can be widely applied in lightweight aggregate bricks, lightweight aggregate sheet materials, lightweight aggregate concrete, etc. and can also be taken as the filter material of sewage treatment, the water-retaining agent in cultivation, etc.
Owner:重庆三益污泥处理有限公司 +1
Polyaniline/ titanium dioxide nanometer composite impedance type thin film gas sensor and preparation method thereof
InactiveCN102866181AImprove performanceFacilitate charge transferMaterial resistanceResponse sensitivityExtremely good
The invention discloses a polyaniline / titanium dioxide nanometer composite impedance type thin film gas sensor and a preparation method thereof. The gas sensor comprises a ceramic base body, an interdigital gold electrode and a gas-sensitive thin film. The gas-sensitive thin film is composed of a polyaniline / titanium self-assembly layer and a polyaniline layer, wherein the polyaniline / titanium self-assembly layer can greatly improve response sensitivity of the sensor to gas under room temperature, accelerates response and improves stability, and the polyaniline layer can reduce impedance of elements well. The gas sensor has high response sensitivity to ammonia gas under the room temperature, has extremely good responding performance, responds quickly, is good in stability, and can be widely applied to accurate measurement and control of ammonia gas concentration in the industrial and agricultural production process and the atmospheric environment. The invention further provides the method for preparing the gas sensor. The method is simple in process, low in cost and extremely suitable for mass production.
Owner:ZHEJIANG UNIV
Polymer hybrid proton exchange membrane modified by metal organic framework structures and preparation method of membrane
ActiveCN106188590AImprove proton conductivityReduce penetrationFinal product manufactureFuel cellsCross-linkExtremely good
The invention belongs to the technical field of membranes and particularly relates to a polymer hybrid proton exchange membrane modified by metal organic framework structures and a preparation method of the membrane. The connected amino functional metal organic framework structures (I-MOF-NH2) are formed by fixing partially-cross-linked MOF-NH2 to the surface of a two-dimensional nanosheet layer material (2D NSs), and then the metal organic framework structures are doped in polymer to obtain the polymer hybrid proton exchange membrane modified by the connected amino functional metal organic framework structures. The proton exchange membrane has excellent proton conductivity under high-temperature and low-temperature conditions, is low in fuel permeability, and has extremely good use stability. The method is simple in operation process, preparation conditions are mild, production cost is low, batched large-scale production is convenient, industrial production bases are good, and application prospects are wide.
Owner:FUDAN UNIV
Catalyst for preparing ethanol through hydrogenation of acetic acid as well as preparation method and application thereof
InactiveCN102600842AHigh reactivityHigh selectivityOrganic compound preparationHydroxy compound preparationAcetic acidActivated carbon
The invention belongs to the technical fields of a catalyst for preparing ethanol through catalytic hydrogenation of acetic acid and application thereof and aims at providing a catalyst for synthesizing ethanol through efficient catalysis and hydrogenation of acetic acid as well as a preparation method and application thereof. The adopted technical scheme is as follows: the catalyst for preparing ethanol through catalytic hydrogenation of acetic acid comprises an active component and a carrier, wherein the active component consists of a first active component and a second active component; the first active component comprises VIII noble metals such as Pd, Pt, Ru and Rh and metal oxides such as MoO3, WO3, CuO and Re2O7; the second active component comprises one of Zn, Cr, Sn, Co, Ni, Ce and OsO4; and the carrier is one of SiO2, Al2O3 and activated carbon. According to the invention, ethanol is synthesized by hydrogenation of acetic acid; two groups of active metals are used as a co-catalyst for concerted catalysis; the noble metals are reduced or not used in the preparation of the catalyst; and in the hydrogenation reaction of acetic acid, the reaction activity is extremely good and the selectivity is high.
Owner:山西盛驰科技有限公司
Desertificated land treatment method for windy and sandy area in arid desert
InactiveCN103628460APrevent intrusion pressureReduce sandingClimate change adaptationHorticultureAridExtremely good
The invention discloses a desertificated land treatment method for a windy and sandy area in an arid desert. A four-zone integrated wind prevention and sand stabilization forest system consisting of a wind prevention and sand resistance forest zone, a sand stabilization forest zone, a plant living sand-barrier sand resistance zone and a sand-sealing afforestation and lawn cultivation zone is arranged on the windward side on the front rim of a farmland. An artificial wind prevention and sand stabilization style combining resistance, stabilization, secondary resistance and sealing is formed on the rim of a new oasis, so that quicksand around the new oasis can be effectively prevented from invading the farmlands and villages; meanwhile, sand impact and sand cutting, which are caused by wind-sand flow which passes by, to crops are alleviated; the desertificated land treatment method has an obvious protection effect, is novel in design, is an extremely good innovation scheme and has an extremely good market popularization prospect.
Owner:GANSU DESERT CONTROL RES INST
A kind of preparation method of water-absorbent resin plugging agent
InactiveCN102295729ASimple processSimple and fast operationDrilling compositionPolymer scienceExtremely good
The invention relates to a preparation method of an absorbent resin plugging agent, belonging to the technical field of oilfield chemistry. The preparation method comprises the following steps: (1) dissolving a monomer A with water to obtain a solution with a certain concentration, regulating the pH of the solution to be neutral, adding a crosslinking agent, an initiator and a powdery inorganic filling material, evenly stirring and then standing, and reacting at room temperature so as to obtain a block resin; and (2) shearing the resin into small blocks, soaking the sheared resin blocks in the solution containing a monomer B, the initiator and the crosslinking agent, taking out the resin blocks after getting saturated, heating to initiate polymerization so as to obtain the absorbent resinplugging agent. The preparation method is simple in process and convenient to operate; the obtained product has extremely good viscoelasticity and flexibility, the compression strength of the obtained product reaches 20MPa and is more than then times or scores of times that of common absorbent resin plugging agents, the water absorption multiple of the obtained product is 3-30 times; and the absorbent resin plugging agent prepared by the method in the invention can bear a high temperature of 150 DEG C for a long term, and can be used for plugging operations of a deep well and a super-deep well in the petroleum drilling process.
Owner:CHINA PETROCHEMICAL CORP +1
Preparation method of bromine-doped high-conductivity ultrathin graphene film
The invention discloses a preparation method of a bromine-doped high-conductivity ultrathin graphene film. The graphene film is prepared from graphene oxide through the steps of filtration extractionfilm formation, chemical reduction, solid-liquid synchronous transfer, high-temperature graphitization, bromine doping and the like. The graphene film is prepared from single-layer graphene oxide / reduced graphene oxide through physical cross-linking. The thickness of the graphene film is 10 to 2,000 atomic layers; the graphene oxide film is quite small in thickness, moreover, has abundant defectsexisting inside, and therefore, has quite good transparency and extremely good flexibility. After the chemical reduction, most functional groups disappear; the graphene film starts to conduct; throughhigh-temperature reduction, a graphene structure is repaired; the electron mobility is promoted; after the bromine doping, the concentration of graphene charge carriers is promoted, and the graphenefilm can be used for a high-flexibility transparent conductive device.
Owner:杭州德烯科技集团有限公司
Rubber composition with good color fastness for colored tire sidewalls
InactiveCN104530501AExcellent discoloration resistanceColorfulSpecial tyresDark colorUltraviolet lights
Owner:双星东风轮胎有限公司
Method for producing metallic high temperature transfer base paper
ActiveCN101255662AImprove high temperature resistanceHigh strengthNatural cellulose pulp/paperWax additionFiberExtremely good
The invention discloses the production method of a metal high temperature transfer printing base paper, including to use 50-70% blanching needle wood-pulp and 30-50% blanching broad-leaf wood-pulp to be the raw material, which is pulped by a pulper, then is added by beating with chemical auxiliary materials: 1-4% a wet strength agent, 1-3% a high temperature resistance agent, 1- 4% starch, 2-4% aluminum sulfate, 1.0-2.5% a rosin milk, 0.1-1.5% a remover, and 0.03 -0.1% a retention agent to make into a slurry; after making, the slurry is rewound to be the base paper when passing through a rewinder. The transfer printing base paper produced by the method has the advantages of extremely good high temperature resistance, being able to satisfy the request of the metal high temperature transfer printing, fine superficial smoothness, and full patterns, bright color and good transfer printing effect after printed. The intensity of the paper is very high, which can satisfy the need of the transfer printing, and the paper is crispness, is not coking and has good stripping paper effect after transfer printed on metal; the waste paper can be recycled to be used as secondary fiber, which saves resources and protects environment.
Owner:HUANGSHAN XINLONG SPECIALITY PAPER
Preparation for low molecular weight hydroxy-terminated polybutadiene
The invention provides a method for preparing hydroxyl-terminated polybutadiene of low molecular weight. The method adopts butadiene as a monomer, lithium alkylide of aliphatic series which contains silane protecting hydroxyl as an evocating agent, an organic non-polar compound as a solvent, an epoxy compound as an end capping reagent and fluoride as a detaching reagent for protecting groups. Anion polymer technology is adopted and polymerization is carried out at a temperature of 20 to 80 DEG C in the environment of inert gases; a prepolymer obtained goes through acid hydrolysis and a series of hydroxyl-terminated polybutadiene fluid rubber with narrow molecular distribution and controllable molecular weight is obtained. In the process of preparing hydroxyl-terminated polybutadiene polymer of the invention, the polymer does not encounter with a fake gel phenomenon during the process of end capping and detaching protecting group and the polymerization process is easy for control; the micro-structure of molecular chains is adjustable and controllable. The obtained hydroxyl-terminated polybutadiene has a molecular weight distributing index less than or equal to 1.2; the average functionality is close to 2; the cured products of hydroxyl-terminated polybutadiene have extremely good mechanical property and can be applied to the fields of rocket technology, optical fiber communication technology, etc.
Owner:SINOPEC LANZHOU GASOLINEEUM CHEM IND CORP
Biodegradable and absorbable magnesium-zinc-copper alloy with antibiotic function, and application thereof
InactiveCN104593650AGood biocompatibilitySatisfactory degradabilitySurgeryCoatingsExtremely goodBiocompatibility Testing
The invention provides a magnesium-zinc-copper alloy. The magnesium-zinc-copper alloy comprises 1-8wt% of zinc, 3wt% or less of copper, and the balance of magnesium. The magnesium-zinc-copper alloy has good biocompatibility, satisfactory degradability, high biological safety and extremely good biomechanical performances, can continuously slowly release metal ions having an antibiotic effect to surrounding tissues through in vivo degradation in order to effectively prevent and treat implant surrounding infection, has certain hematopoietic activity, and has good application values in implanting into bones and other medical fields.
Owner:SHANGHAI NINTH PEOPLES HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE
Layout design photoetching technology friendliness detection method based on regular figure filtering
ActiveCN103744267AAdded filtering stepsReduce use costPhotomechanical exposure apparatusMicrolithography exposure apparatusProcess deviationsAlgorithm
The invention provides a layout design photoetching technology friendliness detection method based on regular figure filtering. According to the layout design photoetching technology friendliness detection method based on regular figure filtering, by adding a step of filtering original object figure data before steps of performing optical proximity effect correction and technological error figure simulation, the time consumption of layout design photoetching technology friendliness detection is shortened, the usage cost of software and hardware is reduced, and also the extremely good matching between a detection result and a method of prior art can be realized, and thus the rapid accurate search for technological hot-spot areas in layout design is realized.
Owner:SHANGHAI HUALI MICROELECTRONICS CORP
Biomass polyester short fiber and preparation method thereof
ActiveCN102586940AIncrease dependenceImprove protectionMelt spinning methodsMonocomponent polyesters artificial filamentFiberExtremely good
The invention discloses a biomass polyester short fiber and a preparation method thereof. The preparation method comprises the following steps of: mixing terephthalic acid and biomass mixed polyatomic alcohol in a molar ratio of 1:1.05-1:1.5 to form slurry, and performing esterification and condensation polymerization to obtain a biomass polyester chip, wherein biomass multi-component polyatomic alcohol comprises 90 to 99.2 weight percent of ethylene glycol, 0.4 to 5 weight percent of 1,2-propylene glycol, 0.2 to 2 weight percent of 1,2-butanediol, 0.1 to 2 weight percent of pentanediol and 0.1 to 1 weight percent of sorbitol; and processing the biomass polyester chip by using the conventional polyester spinning equipment to obtain the environment-friendly biomass polyester short fiber, wherein a specified process parameter is controlled in the process. The raw material chip of the environment-friendly biomass polyester short fiber is derived from biomass, so that the dependence on petroleum resources is reduced, and an intense situation of energy sources is relieved. A biomass dibasic alcohol component is fixed, so that the prepared biomass polyester short fiber has stable and controllable quality, extremely good printing and dyeing effects and a wide application field, and is high in hydrophilcity, flexibility, washing fastness and ironing fastness.
Owner:QUANZHOU HAITIAN MATERIAL TECH CORP
Composite functional nanosphere with polymer wrapping hydrophobic nano grains and preparation method of composite functional nanosphere
InactiveCN102775543AGood water solubilityUniform particle size distributionLuminescent compositionsSolubilityFluorescence
The invention discloses a composite functional nanosphere with polymer wrapping hydrophobic nano grains and a preparation method of the composite functional nanosphere with polymer wrapping hydrophobic nano grains, belonging to the technical field of biologic medical application type organic / inorganic composite advanced nano material preparation process. The emulsion polymerization technology is adopted, and the wrap nano grains are wrapped into the polymer, thereby obtaining the composite functional nanosphere which is good in water-solubility and monodisperse and in which the hydrophobic nano grains are wrapped by the polymer. The grain size of the composite functional nanosphere obtained can be adjusted within the range of 100-150nm effectively; and the grain size is distributed uniformly; the nanosphere is stable in water for long time, is strong in hydrophily, extremely good in biocompatibility, and has single function or multiple functions of fluorescence, magnetism, up-conversion and low-conversion light emission, magnetism and fluorescence and the like, so that the nanosphere has an important application meaning in hydrophilic systems in biomedicine such as biosensor, magnetic separation, cell imaging, medical diagnosis and the like, and the nanosphere is relatively low in synthesis cost.
Owner:BEIJING UNIV OF CHEM TECH
Universal pigment preparations
The invention relates to novel universal pigment preparations with an extremely good thermal resistance and weather resistance, used as practically foam-free aqueous pigment preparations that contain or are devoid of solvents. The invention also relates to the use of said preparations in aqueous coating substances that contain or are devoid of solvents, such as for example, paints, lacquers, adhesives, inks or printing inks and for colouring synthetic materials.
Owner:DEGUSSA AG
Ceramic wine bottle colored glaze and glaze spraying method
The invention discloses a glaze spraying method for water-repellent ceramic wine bottle colored glaze. The ceramic wine bottle colored glaze is characterized in that the glaze material is prepared from the following materials in parts by weight: 10-12 parts of bauxite, 3-4 parts of dolomite, 5-6 parts of zinc sulfate, 2-3 parts of magnesium sulfate, 3-4 parts of cobalt acetate, 9-12 parts of CaO, 2-3 parts of MgO, 3-4 parts of BaO, 2-3 parts of silicon carbide, 1-2 parts of graphite, 3-4 parts of SnO2, 1-2 parts of Sc2O3, 13-14 parts of binder and a proper amount of water. The ceramic wine bottle glaze disclosed by the invention is smooth and fine in glaze, extremely good in hand feeling, has very good hydrophobicity, can prevent water from gathering on the glaze, can keep the glaze dry, and therefore, the ceramic wine bottle colored glaze has very good waterproof and moisture-resistant performances.
Owner:ANHUI YICAI GLASSWARE
Preparation method for spiced dried bean curds
InactiveCN105145866AStrong aromaSimple processCheese manufactureFood scienceExtremely goodWastewater
The invention discloses a preparation method for spiced dried bean curds. The preparation method comprises the following steps: (1) chopping; (2) pulp making; (3) marinating (the former braised food); (4) refrigerating and sizing; (5) slicing; (6) marinating and stewing (the later braised food); (7) drying; (8) packaging; and (9) sterilizing. According to the preparation method, the dried bean curds are prepared from soybean isolate proteins, so that the working procedures of conventional dried bean curd preparation are reduced, emission of wastewater is avoided, resources are saved, and the cost is reduced. In the soybean protein chopping process, aniseed oil, five-spice powder, black pepper powder and Chinese prickly ash water are added, so that the interior braised food can be advanced; by adding of the aniseed oil, the five-spice powder, the black pepper powder and the Chinese prickly ash water, the dried bean curds have extremely good spiced flavor and mellow fragrance; the subsequent blanks are marinated and dried to obtain the spiced dried bean curds. By use of the soybean isolate proteins for preparing the dried bean curds, the working procedures of conventional dried bean curd preparation are reduced, and the product quality is controlled; furthermore, the taste is dominant, and the spiced dried bean curds are uniquely chewy and have the elastic taste.
Owner:SCENTS HLDG CO LTD
A preparing method of waterborne two-component high-temperature resistant super-wear-resistant matte varnish
InactiveCN105694692AImprove high temperature resistanceExcellent super wear resistancePolyurea/polyurethane coatingsWeather resistanceMicrosphere
The invention relates to a preparation method of a water-based two-component high-temperature-resistant ultra-wear-resistant matte varnish. Hydroxyl-containing water-based resin, SMA resin, PMMA microspheres, additives and water; component B is a water-based polyurethane curing agent; the water-based two-component high-temperature resistant super wear-resistant matte varnish prepared by the present invention has a paint film with Excellent high temperature resistance, super abrasion resistance, water resistance, weather resistance and chemical stability, improve the texture and fullness of the paint film surface, good flexibility and smooth handle, excellent matting effect without affecting Transparency and vividness of the paint film; low VOC, no heavy metals, environmental protection; widely used in the surface coating and protection of substrates that require high temperature resistance, high wear resistance and scratch resistance, and matte effect, such as water-based floor paint , Water-based high-grade wood paint, water-based plastic paint, water-based mobile phone paint and water-based industrial paint.
Owner:UNION FOSHAN CHEM +1
Perfluorinated ion exchange casting enhancement member and preparing method thereof
InactiveCN101054445ALower resistanceHigh peel strengthOrganic diaphragmsExtremely goodCarboxylic acid
A perfluorinated ion exchange membrane fusing-casting reinforced film includes reinforced substrate and ion change layer. Said reinforced substrate is a perfluorinated polymer biaxially oriented film. Said ion change layer is formed by solution casting method, having the perfluorinated ion exchange resin containing sulfonic acid group and / or carboxylic acid group as film forming resin. The film without abrupt interface between the ion exchange layers is formed by the means of solution casting and program coating so as to make the ion exchange group concentration between the ion exchange layers and different ion exchange layers achieve molecule horizontal combination and greatly improve the interface compatibility. The ion exchange membrane has a lower film resistor, a higher current efficiency, a high film planeness, extremely good mechanical strength and dimensional stability. The invention also provides producing method thereof.
Owner:SHANDONG DONGYUE POLYMER MATERIAL
Wet-type composite friction material and preparation method thereof
The invention provides a wet-type composite friction material and a preparation method thereof. The wet-type composite friction material comprises the following components in parts by weight: 40-80 parts of carbon fiber cloth which is used as a material framework, 10-30 parts of thermosetting resin, 8-15 parts of curing agent and 1-5 parts of friction performance adjusting agent, as well as 10-45 parts of solvent. The preparation method comprises the following steps of: sequentially mixing phenolic resin, ethanediamine and ceramic grains by taking acetone or absolute ethyl alcohol as the solvent; carrying out ultrasonic dispersion to prepare a uniformly-mixed immersing solution with a moderate viscosity; and then, immersing the carbon fiber cloth, drying and carrying out hot-pressing curing and subsequent curing heat treatment on the carbon fiber cloth. The wet-type composite friction material and the preparation method thereof have the advantages of simple process, high material strength, high and stable wet-type movable and static friction coefficients, and extremely good durability and reliability.
Owner:GUANGXI UNIV FOR NATITIES
Wechat information classification pushing method and system
InactiveCN106156251AImprove experienceSpecial data processing applicationsMarketingUser needsKeyword analysis
The invention discloses a Wechat information classification pushing method and system. The method comprises the steps that a user subscribes a Wechat official account and enters an official account page; interactive behavior data of the user on the official account page is obtained; information pushing demands of the user are analyzed according to the interactive behavior data; information is pushed to the user according to the information pushing demands. According to the Wechat information classification pushing method and system, by means of analysis on the interactive behavior data of the user, keywords of interest points concerned by the user are obtained, the information demands of the user are analyzed according to the keywords, and therefore information meeting the user demands is pushed to the user. The Wechat information classification pushing method and system can be applied to the technical fields of targeted advertising delivery and the like and can bring extremely good user experience.
Owner:TVM BEIJING TECH
Trusted measurement system and method for cloud hosts
ActiveCN107545184AGuaranteed Trusted IntegrityImprove portabilityPlatform integrity maintainanceSoftware simulation/interpretation/emulationTrusted Platform ModuleExtremely good
The invention provides a trusted measurement system and method for cloud hosts. According to the system and method, a virtual trusted platform module is configured in virtual environment, trusted measurement is carried out on physical environment through a trusted platform module, trusted measurement is carried out on the virtual environment through the virtual trusted platform module, and a complete trusted chain from a physical machine to a virtual machine is constructed, so that trusted completeness verification for the physical environment and the virtual environment of a cloud host can berealized; and the constructed trusted chain does not depend on the trusted platform module of the physical machine, so that when the virtual machine is migrated, a space for storing measurement values of the virtual machine is divided in a virtual PCR register of a target host machine, measurement values of the physical machine of the target host machine are copied to a corresponding bit of the virtual PCR register, and when the virtual machine is started, the virtual machine is measured and the measurement value is stored in the corresponding bit of the virtual PCR register, so as to complete trusted chain reconstruction of the migrated virtual machine. The system and method are extremely good in transportability and can be widely applied to cloud computation platforms.
Owner:DATANG GAOHONG XINAN ZHEJIANG INFORMATION TECH CO LTD
Near-field surface plasmon complex amplitude modulation method based on metasurface
ActiveCN107229137AModulation arbitraryRealize Simultaneous ModulationNon-linear opticsComplex amplitudeExtremely good
The invention discloses a near-field surface plasmon complex amplitude modulation method based on metasurface, and belongs to the field of micro and nano optics. According to the method, the Berry phase principle is utilized, by adjusting the nano rectangular hole lengths and the orientation angles in all isomeric nano rectangular hole arrays in every cycle simultaneously, the discretized amplitude of a target optical field and phase information are obtained, therefore a surface plasmon is activated, arbitrary complex amplitude regulation is conducted on the surface plasmon in the sub-wavelength, and complex optical field distribution and propagation in the surface are achieved. The invention mainly aims at achieving the technical purpose of providing the near-field complex amplitude modulation method based on the metasurface which can activate the surface plasmon, conduct arbitrary complex amplitude regulation on the surface plasmon in the sub-wavelength and achieve the complex optical field distribution and propagation. The near-field surface plasmon complex amplitude modulation method based on the metasurface can arbitrarily modulate the amplitude and phase of the near-field surface plasmon, and has extremely good application value in the fields of surface wave beam shaping, an integrated electron-optical system, surface wave holography and the like.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Method for treating waste pollutants in pig farm
ActiveCN102874985AReduce construction costsNot low incomeClimate change adaptationPisciculture and aquariaPig farmsChemical oxygen demand
The invention discloses a method for treating waste pollutants in a pig farm. The method comprises the following steps of: A, performing anaerobic treatment on a biogas generating pit, namely building the biogas generating pit, performing anaerobic treatment on waste pollutants, which enter the biogas generating pit, in the pig farm, and killing parasites and pathogenic microorganisms through anaerobic fermentation, wherein the chemical oxygen demand (COD) content is reduced, and the normal growth of aquatic plants in a wet land is facilitated; B, performing primary ecological wet land treatment, namely planting green watermifoil, growing the green watermifoil, absorbing nitrogen and phosphorus, harvesting the watermifoil as materials covering a tea yard and a fruit yard; C, treating secondary wet land treatment, namely planting perennial bengal waterdropwort herb in winter, planting aquatic water spinach in summer, and harvesting the water spinach and the perennial bengal waterdropwort herb from the wet land each year; D, treating a tertiary economical wet land, namely planting perennial bengal waterdropwort herb in windter, planting lotus root in summer, putting natural crucians into the wet land, and harvesting the lotus root, the bengal waterdropwort herb and water products from the wet land each year. The construction cost and the running cost are low; the method is easy to operate; the nitrogen, the phosphorus and the COD (Chemical Oxygen Demand) in the waste in the pig farm can be greatly treated; and the method is extremely good in popularization and application prospect.
Owner:大长江环境工程技术有限责任公司
Hybrid silicon-modified acrylate emulsion, and application and preparation method thereof
The invention discloses a hybrid silicon-modified acrylate emulsion, and application and a preparation method thereof. The hybrid silicon- modified acrylate emulsion is characterized by being prepared from a multifunctional silsesquioxane material containing a carbon-carbon double bond, an acrylate monomer, an emulsifier, water and an initiator. The preparation method does not need a catalyst, no by-product is generated, the synthetic method is simple, the product purity is high, and the cost is low. The obtained hybrid silicon-modified acrylate hybrid emulsion is stable in performances, and has extremely good high / low-temperature resistance, weatherability, water resistance and other performances.
Owner:广东多正树脂科技有限公司
Graphene material powder and preparation method
ActiveCN105084345AImprove visual densitySolve industrial application problemsApparent densityMetallurgy
The invention provides a graphene material powder adaptive to industrialized application. The graphene material powder is formed by combining a grahpene material and a high molecule, the surface of the graphene material is uniformly coated with the high molecule, and thus a barrier is formed by the high molecule between adjacent graphene material, and the apparent density is 0.02 g / cm<3> or more. When being suffered external pressure, the provided graphene material powder does not overlap, and can easily recover to the original state and is convenient for transportation and storage; and also the graphene material powder possesses extremely good compatibility with other systems, and thus the application field of the graphene material powder in downstream products is greatly expanded. The industry application problem of the graphene material powder is successfully solved. The invention also provides a preparation method for the graphene material powder.
Owner:NINGBO MORSH TECH +1
Solid washing-agent composition packaged by water-soluble membrane
InactiveCN104403849ASurface-active non-soap compounds and soap mixture detergentsDetergent materialsWhitening AgentsExtremely good
The invention provides a solid washing-agent composition packaged by a water-soluble membrane. The washing agent is mainly characterized in that the employed water-soluble package membrane has extremely good compatibility with the solid washing agent contents, so that the solid washing agent packaged by the water-soluble membrane is capable of being relatively fast dissolved in water and giving play to detergency. The washing agent comprises: 1) 5% -15% by weight of a nonionic surfactant, 2) 0% -10% by weight of an anionic surfactant, 3) 20% -70% by weight of an auxiliary agent, 4) 0% -10% by weight of a solid filling agent, 5) 0% -0.3% by weight of a whitening agent, 6) 0% -1% by weight of an enzyme, and 7) 0% -0.3% by weight of essence.
Owner:JIANGNAN UNIV
Yoghourt and preparation method thereof
The invention discloses yoghourt and a preparation method thereof. According to the embodiment of the invention, the protein content in the yoghourt is 6-9% by weight and the viscosity of the yoghourt is 100-300mPa.s. The yoghourt disclosed by the invention has the advantages of relatively low viscosity, relatively high protein content, extremely good taste, relatively convenient application or relatively strong stability.
Owner:INNER MONGOLIA MENGNIU DAIRY IND (GRP) CO LTD
Method for one-time application of polyurethane sole wrapped by thermoplastic polyurethane film to undersole
The invention belongs to the technical field of shoemaking, and especially relates to a method for one-time application of a polyurethane sole wrapped by a thermoplastic polyurethane film to an undersole. A technical scheme adopted in the invention is characterized in that the method for one-time application of the polyurethane sole wrapped by the thermoplastic polyurethane film to the undersole comprises the following steps: fixing the thermoplastic polyurethane film to an intermediate die holder of a polyurethane foaming middle bottom die, carrying out plastic uptake fixing, and injecting a polyurethane foaming material, wherein the thermoplastic polyurethane film is heated before the plastic uptake. The polyurethane sole made through the method has the advantages of light weight, comfortableness, beauty, good stereo perception, no pollution to environment, extremely good elasticity and health benefiting.
Owner:刘银实
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