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Powder metallurgy high-speed steel valve seat for clean fuel engine and production process of powder metallurgy high-speed steel valve seat
ActiveCN107267877AConvenient sourceReasonable ratio of ingredientsTransportation and packagingMetal-working apparatusCarbideAlloy
The invention discloses a powder metallurgy high-speed steel valve seat for a clean fuel engine and a production process of the powder metallurgy high-speed steel valve seat. With W6Mo5Cr4V2 high-speed steel powder as a base body material, Cu, Co-Cr-Mo and Fe-Mo hard particles are added, and the hard particles comprise, by mass percentage, 45%-57% of W6Mo5Cr4V2, 13%-17% of Co-Cr-Mo, 4%-7% of Fe-Mo, 17%-22% of Cu and 2%-3% of a solid lubricant and easy-to-cut components. According to the powder metallurgy high-speed steel valve seat, by the adoption of an infiltration sintering and heat treatment technology, the density of the powder metallurgy high-speed steel valve seat is increased, the hardness, wear resistance and the like of the powder metallurgy high-speed steel valve seat are improved; and on the one hand, stable alloy tempered martensite and fine dispersed secondary alloy carbide can be obtained, and on the other hand, the bonding of a base body and the hard particles is firmer, and the hard particles are not likely to be peeled off from the base body during frictional wear. By the adoption of the infiltration sintering and heat treatment technology, the density of the material is increased, and the hardness, wear resistance and the like of the material are improved.
Owner:HUBEI UNIV OF AUTOMOTIVE TECH
Integral magnetic postcard
InactiveUS20100282825A1Simple structureNormal appearanceOther printing matterMagnetic effectInformation layer
The present invention introduces an integrated mag-postcard including a pattern layer as front side, a magnet layer as middle side and a mailing information layer as back side, wherein all three layers are integrated tightly. The integrated mag-postcard has full magnetic effect and ability of sticking on metal surface evenly and freely for a long time without bending or wrinkle. The appearance of present invention is substantially the same as a conventional postcard. Both the pattern layer and the mailing information layer may be readable, printable or writable freely and easily. Furthermore, the magnetic property of present invention still remains after being posted to anywhere in the world.
Owner:WANG XIAOMING
Preparation and application of 'dingguiyou' soft capsule
InactiveCN101209285ANo inhibitionNo effect on sleep timeDigestive systemCapsule deliveryMedicineMedical prescription
The invention relates to a prescription which is mainly composed of clove and cinnamon, the indication of the prescription is irritable bowel syndrome, and the effective part of clove and cinnamon is volatile oil which is determined by screening of pharmacodynamics. The soft capsules which are prepared by the volatile oil have elegant appearance, convenient administration and stable quality; proved by pharmacodynamic tests, the soft capsules can meet the requirements of the clinical medication of irritable bowel syndrome.
Owner:牛锐
Carbon heating low-temperature cigarette compound filling cut tobaccos and preparation method therefor
The present invention discloses carbon heating low-temperature cigarette compound filling cut tobaccos and a preparation method therefor. The carbon heating low-temperature cigarette compound filling cut tobaccos are prepared from the following raw materials in parts by weight: 1 part of 1,2-propylene glycol, 10-20 parts of glycerol, 0.01-0.4 part of a curing agent, 0.002-0.006 part of sodium benzoate, 0.5-10 parts of tobacco extract, 0.01-0.1 part of cigarette essence and flavors and 10-20 parts of water. The method comprises the steps: firstly, weighing the raw materials; then heating the water, adding the curing agent into the hot water, heating the mixture to 85-95 DEG C and stirring to form a homogenate state; adding the other raw materials into homogenate in sequence; and coating the obtained product on the same side of aluminum-foil paper, and shredding to obtain the compound filling cut tobaccos. The compound filling cut tobaccos have wet surfaces, have certain viscosity, a higher heat transfer speed, a greater fogging amount and a higher fogging speed, are more uniformly heated, and have a better smoke releasing effect and higher sensory quality; the appearances of cigarettes are normal, the production procedure is simplified and the production cost is reduced; and the smoking of the cigarettes can be vividly simulated and meanwhile, the stability is good.
Owner:HUBEI CHINA TOBACCO IND
Low-viscosity graphene oxide slurry and preparation method thereof, and graphene oxide film and preparation method thereof
The invention provides low-viscosity graphene oxide slurry and a preparation method thereof, a graphene oxide film and a preparation method thereof, and a graphene heat conduction film and a preparation method thereof. According to the method mainly adopted by the invention, the graphene oxide is subjected to superfine grinding under the actions of high-pressure shearing, high-speed impact and strong holes, and the sheet diameter of the graphene oxide is reduced, so that the viscosity of the graphene oxide slurry is reduced, the solid content of the graphene oxide slurry is improved, and the efficiency of coating the graphene oxide slurry into a graphene oxide film is improved.
Owner:CHANGZHOU FUXI TECH CO LTD
Heat-preservation and thermal-insulating water-based paint for glass sliding door and preparation method of water-based paint
InactiveCN104342000AImprove antifouling performanceImprove the bactericidal effectPaints with biocidesPolyurea/polyurethane coatingsTripropylene glycolDiacetonamine
The invention discloses heat-preservation and thermal-insulating water-based paint for a glass sliding door. The water-based paint is prepared from the following raw materials in parts by weight: 48-53 parts of waterborne polyurethane resin, 16-19 parts of waterborne hydroxyl acrylic acid, 0.2-0.4 part of polypropylene oxide glyceryl ether, 1-3 parts of tripropylene glycol monobutyl ether, 0.3-0.6 part of alkylol amine titanate, 7-10 parts of modified pure acrylic emulsion, 0.2-0.5 part of polyether modified organo-polysiloxane, 0.2-0.4 part of dimethicone, 0.2-0.4 part of an accelerant TMTM, 0.3-0.6 part of butyl glycidyl ether, 0.3-0.6 part of guar gum, 0.3-0.5 part of diacetone-acryloamide, 0.4-0.9 part of zeolite powder, 1-2 parts of pigment, 1-3 parts of hollow glass microspheres, 2-3 parts of silica sol and 12-16 parts of deionized water. Due to adoption of the silica sol in the water-based glass paint disclosed by the invention, the hardness of a paint film is improved, and the paint film is not easy to peel off and is smooth and flat; due to adoption of the hollow glass microspheres, the heat preservation and thermal insulation effects are achieved, and the cost is lowered; due to adoption of the modified pure acrylic emulsion, properties such as the flouring resistance, the bactericidal activity, the scrubbing resistance and the weather resistance of the water-based paint are improved; the water-based paint is high in practicability and applicable to popularization.
Owner:凤阳徽亨商贸有限公司
Solar cell acid etching reworking method and chain equipment used by same
InactiveCN105514222ANormal appearanceSimple process routeAfter-treatment detailsFinal product manufactureChemistryBatch production
The invention relates to a solar cell acid etching reworking method and chain equipment used by the same. The solar cell acid etching reworking method includes the steps of primary acid pickling, primary rinsing, alkaline wash, secondary rinsing, secondary acid pickling, tertiary rinsing and blow-drying; coated reworking slices are subjected to hydrofluoric acid decoating before acid etching treatment of the chain equipment; preparation is performed after acid etching treatment. Total etching weight of each silicon slice subjected to acid etching treatment is 0.2-0.3g. The solar cell acid etching reworking method and the chain equipment used by the same are used for a solar cell production process and have the advantages that reworking caused by fingerprint, dirty, stains, coated aberration, abnormal process reworking and original silicon slice incoming material abnormality are solved, reworking is performed according to the method, reworked battery cells are normal in appearance to meet qualified product requirements and are as same as or lower than normal battery cells in efficiency by not more than 0.1%, and simplicity in process route and batch production can be achieved.
Owner:선테크파워컴퍼니리미티드
Whitening and anti-aging aqueous coating for glass sliding doors and preparation method of whitening and anti-aging aqueous coating
InactiveCN104341999AEasy to prepareStrong aging resistanceAntifouling/underwater paintsPaints with biocidesEpoxyPolymer science
The invention discloses a whitening and anti-aging aqueous coating for glass sliding doors. The whitening and anti-aging aqueous coating is characterized by being prepared from the following raw materials in parts by weight: 40-50 parts of aqueous polyurethane resin, 15-20 parts of an E-20 epoxy resin emulsion, 7-10 parts of a modified pure acrylic emulsion, 2-3 parts of nano-calcium carbonate, 1-3 parts of dipropylene glycol dimethyl ether, 0.3-0.6 part of alcoholamine diphosphoryloxy glycolic acid titanate, 0.2-0.4 part of fluoro-alkyl polyether modified polysiloxane, 0.5-1.0 part of alkylaryl polyether alcohol, 0.2-0.4 part of dimethicone, 0.3-0.6 part of propyl trimethoxy siloxane, 0.3-0.5 part of nano-montmorillonite, 0.4-0.7 part of vermiculite powder, 0.3-0.4 part of aluminum tripolyphosphate, 0.4-0.8 part of high-gloss powder, 1-2 parts of brightening titanium dioxide and 10-15 parts of deionized water. The aqueous glass coating disclosed by the invention is simple in preparation method, good in adhesion against a glass substrate and high in aging resistance; by adding the brightening titanium dioxide and the high-gloss powder, the brightness is improved; the added modified pure acrylic emulsion has the characteristics of excellent stain resistance, bactericidal property, scrub resistance, weather resistance and the like; and the coating disclosed by the invention is fast in drying speed and a paint film is smooth.
Owner:凤阳徽亨商贸有限公司
Fresh-keeping method for jujube
InactiveCN101218936ALong shelf lifeNormal colorFruits/vegetable preservation by freezing/coolingZiziphus jujubaPreservation methods
The invention relates to a method for preserving fruits, in particular to a method for preserving Chinese dates which solves the problem of short preserving time existed in the existing Chinese date preserving technology and includes the following steps: 1. Preparing preserving liquid, preparing the preserving liquid by adding white sugar in a sodium chloride liquid of 0.5 to 1 percent according to a proportion of adding 20 to 80g by per ml and sterilizing, 2. Using the prepared preserving liquid to treat fresh Chinese dates, crack Chinese dates and fade Chinese dates, 3. Freezing the treated Chinese dates under a temperature of 5 to 20 DEG C below zero for 3 to 6 hours. The preserving period for various Chinese dates after being treated by the invention can be prolonged greatly and the Chinese dates in the first year can at least be ensured to preserve good fresh grade and taste before the Chinese dates are mature in the next year.
Owner:王真明
UV-radiation-resistant water-based paint for glass sliding doors and preparation method thereof
InactiveCN104341962AHigh hardnessDecorativeAntifouling/underwater paintsPaints with biocidesEmulsionOrganosilicon
The invention discloses a UV-radiation-resistant water-based paint for glass sliding doors. The invention is characterized in that the water-based paint is prepared from the following raw materials in parts by weight: 50-58 parts of water-based epoxy resin emulsion, 13-17 parts of water-based amino resin, 1-2 parts of epoxy octyl stearate, 10-15 parts of deionized water, 1-2 parts of propanediol monobutyl ether, 0.3-0.6 part of alkylol amine fatty acid titanate, 7-10 parts of modified pure acrylic emulsion, 0.2-0.5 part of polyether modified polyorganosiloxane, 0.4-0.7 part of hydroxyethyl cellulose, 0.2-0.4 part of polyoxypropylene glycerol ether, 0.3-0.5 part of aminopropyl trimethoxy silane, 2-3 parts of dimethylethanolamine, 1-2 parts of polyethylene wax emulsion, 0.3-0.5 part of zinc stearate, 0.4-0.8 part of titanium white, 0.5-1.0 part of benzotriazole, 0.3-0.7 part of carbon black and 2-4 parts of pigment. The film of the water-based glass paint has the advantages of high hardness, high smoothness, favorable decoration property and low peeling tendency; the added modified pure acrylic emulsion has the characteristics of excellent dirt resistance, excellent bactericidal property, excellent scrub resistance, excellent weather resistance and the like; and the added carbon black and benzotriazole effectively absorb the ultraviolet rays, reduce the aging action of the ultraviolet rays on the paint film and furniture, and lower the injury to the human body.
Owner:凤阳徽亨商贸有限公司
Wear-resistant, heat insulation and waterproof building coating and preparation method thereof
The invention discloses a wear-resistant, heat insulation and waterproof building coating. The wear-resistant, heat insulation and waterproof building coating is characterized by being prepared from the following raw materials in parts by weight: 33-36 parts of water-soluble alkyd resin, 33-36 parts of an organic silicone resin emulsion, 1-2 parts of 1, 2-benzisothiazolin-3-one, 0.4-0.8 part of hydroxyethyl cellulose, 1-2 parts of sodium aluminosilicate, 1-3 parts of tert-butyl methacrylate, 0.5-1.0 part of fumed silica powder, 2-3 parts of silicon carbide powder, 1-3 parts of clay, 1-2 parts of dibutyl phthalate, 0.3-0.4 part of an organic silicon defoamer, 0.3-0.6 part of polyoxyethylene lauryl ether, 2-3 parts of diatomite, 2-4 parts of propanediol butyl ether, 7-9 parts of heat insulation slurry and 13-18 parts of deionized water. The coating disclosed by the invention is fast in drying, high in hardness of a paint film after curing, smooth, good in color and luster, very high in adhesion and good in wear resistance; the deionized water is adopted as a thinner, thereby having low cost and low toxicity and being green and environment-friendly; the added heat insulation slurry has an excellent heat insulation effect; and furthermore, the coating has excellent corrosion resistance, aging resistance and water resistance, is convenient to construct and is harmless to human bodies.
Owner:ANHUI LENCAQI BUILDING MATERIAL
Radiative insulating water-based coating and preparation method thereof
The invention discloses a radiative insulating water-based coating which is prepared from the following raw materials in parts by weight: 35-45 parts of an acrylic resin emulsion, 20-30 parts of water-based alkyd resin, 1-2 parts of sepiolite powder, 0.3-0.5 part of a dispersant 5040, 1-2 parts of nano zirconium oxide, 3-4 parts of ethylene glycol butyl ether, 2-4 parts of ceramic microbeads, 0.5-1.0 part of manganese dioxide, 1-2 parts of iron sesquioxide, 14-20 parts of deionized water, 0.4-0.6 part of 2-amino-2-methyl-1-propanol, 0.1-0.3 part of polyvinylpyrrolidone, 1-2 parts of tetrachloroisophthalonitrile, 0.2-0.4 part of methylsilicone oil and 7-9 parts of insulating slurry. The water-based coating disclosed by the invention is good in leveling property, smooth in film, good in hardness and strong in adhesive force and has good weather resistance, stain resistance, heat insulativity, aging resistance and the like after being applied to the environment. The water-based coating is safe and non-toxic, free of damage to physical health of coating workers, environment-friendly, strong in practicality and worthy of popularization.
Owner:ANHUI LENCAQI BUILDING MATERIAL
Solid-wood composite floor surface board repairing method
InactiveCN108908558AQuality improvementNormal appearancePolishing machinesAldehyde/ketone condensation polymer adhesivesMaterials scienceWood product
The invention belongs to the technical field of wood product production and relates to processing of solid-wood composite floors, in particular to a solid-wood composite floor surface board repairingmethod. The solid-wood composite floor surface board repairing method comprises the steps that a base material attached with surface boards is subjected to polishing pretreatment, filler undergoes coarse filling, fine filling and membrane hot-pressing processes and is prepared from, by mass, 100 parts of virgin rubber, 3-3.5 parts of curing agent ammonum chloride, 10-20 parts of flour, 10-15 partsof sawdust powder and 0.8-2 parts of iron powder. The filler is filled at the defect parts of surface boards in the modes of roll-coating and hot-pressing, and the purpose of quickly repairing surface boards is achieved. The operation steps of the method are simple, a roll-coating mechanical device is used, the operating intensity of workers can be remarkably reduced, the quality of repaired surface boards is stable, the repaired surface boards are normal in appearance, no defect is seen, veneers having defects can be better utilized, solid-wood resources are effectively utilized, and the production cost is reduced.
Owner:GUANGZHOU HOMEBON WOOD MFG +1
Long-service-life high-temperature-resistant textile motor bearing
PendingCN111797361AExtended service lifeExtend your lifeShaftsBearing componentsFriction torqueElectric machinery
The invention discloses a long-service-life high-temperature-resistant textile motor bearing, and belongs to the technical field of high-precision special bearing manufacturing. The long-service-lifehigh-temperature-resistant textile motor bearing is improved in the four aspects of technical design, manufacturing process, bearing lubricating grease selection and bearing manufacturing material, the service life of the improved bearing can be obviously prolonged, and the improved bearing is wear-resistant and high-temperature-resistant. According to the long-service-life high-temperature-resistant textile motor bearing, the working clearance Gr of the bearing is scientifically designed; the mounting clearance and the change clearance of inner and outer rings caused by temperature change areconsidered; and the problems that when the maximum rolling body load of a bearing raceway bearing region is increased during working operation, friction torque and temperature rise are increased dueto clearance change caused by elastic deformation and the bearing adhesion or damage due to fatigue occur too early are mainly solved, so that the service life of the bearing is greatly prolonged.
Owner:山高智能装备(山东)有限公司
Fresh-keeping method for eolocasia esculenta or water-chestnut
InactiveCN104509583AAvoid spoilageReduce breathing intensityFruit and vegetables preservationWhite tea extractRefrigerated temperature
The invention discloses a fresh-keeping method for eolocasia esculenta or water-chestnut. The method includes: firstly washing eolocasia esculenta or water-chestnut clean with water and conducting draining; in terms of weight part, fully mixing 0.02-1 part of a white tea extract or dihydromyricetin, 0.1-3 parts of beta-cyclodextrin and 96.0-99.89 parts of water evenly to obtain a fresh-keeping liquid; soaking the eolocasia esculenta or water-chestnut in the fresh-keeping liquid for 0.2-3min, then picking up the eolocasia esculenta or water-chestnut and performing draining; then conducting subpackaging and carrying out preservation at room temperature or in cold storage. After indoor placement at room temperature for 50 days, the eolocasia esculenta treated by the method provided by the invention has the appearance of fresh eolocasia esculenta and average weight loss of about 15%. After room temperature preservation for 30 days, the water-chestnut treated by the method does not rot, and maintains the appearance peculiar to waste-chestnut, and test meal proves that the water-chestnut is sweet and refreshing and has no peculiar smell. After preservation of the water-chestnut subjected to fresh-keeping treatment for 2 months in a 1-6DEG C refrigerator, the appearance is normal, and test meal proves that the water-chestnut is sweet and refreshing and has no peculiar smell.
Owner:SOUTH CHINA UNIV OF TECH +1
High-voltage constant current source for glow
InactiveCN101799696AStable and reliable excitationNormal appearanceElectric variable regulationPhysicsConstant current source
Owner:NCS TESTING TECH
Solar battery acid corrosion rework method and chain equipment used
InactiveCN105514222BNormal appearanceMeet the requirementsAfter-treatment detailsFinal product manufactureAcid etchingSolar cell
The invention relates to a solar cell acid etching reworking method and chain equipment used by the same. The solar cell acid etching reworking method includes the steps of primary acid pickling, primary rinsing, alkaline wash, secondary rinsing, secondary acid pickling, tertiary rinsing and blow-drying; coated reworking slices are subjected to hydrofluoric acid decoating before acid etching treatment of the chain equipment; preparation is performed after acid etching treatment. Total etching weight of each silicon slice subjected to acid etching treatment is 0.2-0.3g. The solar cell acid etching reworking method and the chain equipment used by the same are used for a solar cell production process and have the advantages that reworking caused by fingerprint, dirty, stains, coated aberration, abnormal process reworking and original silicon slice incoming material abnormality are solved, reworking is performed according to the method, reworked battery cells are normal in appearance to meet qualified product requirements and are as same as or lower than normal battery cells in efficiency by not more than 0.1%, and simplicity in process route and batch production can be achieved.
Owner:선테크파워컴퍼니리미티드
Acrylate polymer emulsion and application thereof in preparation of silicate coating
ActiveCN110724226AStrong water absorptionReduce pollutionAlkali metal silicate coatingsMethacrylatePolymer science
The invention discloses an acrylate polymer emulsion and application thereof in preparation of a silicate coating. The emulsion is prepared from the following raw materials in parts by mass: 10%-20% of a methacrylate monomer, 10%-20% of an acrylate monomer, 1%-3% of a functional monomer, 0.1%-0.3% of an initiator, 0.5%-1.0% of an anionic emulsifier, and 0.7%-1.5% of a nonionic emulsifier, with thebalance being water, wherein the total feeding amount of the raw materials is 100%. The water absorption rate of a latex film obtained after the acrylate polymer emulsion is dried is stabilized at about 5%, and the pyrolysis temperature is 357.40 DEG C; the acrylate polymer emulsion is suitable for coating decoration; and a film formed by the prepared silicate inorganic coating has surface dryingtime of shorter than 1 h. The silicate inorganic coating prepared by the invention is normal in appearance and free of peculiar smell, has hardness maintained at 3H or above and adhesive force reaching first grade, is free barrier during coating twice in the construction process and shows good comprehensive performance.
Owner:广东嘉宝莉科技材料有限公司 +1
Method for effectively controlling diamond wire wet chemical black silicon battery piece EL poor performance
ActiveCN108922943AReduce foulingReduce the proportion of low-efficiency tabletsFinal product manufactureSemiconductor devicesScreen printingProduction line
The invention discloses a method for effectively controlling diamond wire wet chemical black silicon battery piece EL poor performance. The method comprises the following steps of 1) texturing: performing damage layer removal, silver deposition, hole digging, primary silver removal and hole expansion on an original silicon wafer (water rinsing is carried out in all the steps), and carrying out solution processing, wherein the solution is an acidic mixed solution composed of hydrochloric acid and water, and the volume ratio of hydrochloric acid to water in the mixed solution is 1:6 to 1:1, theconcentration of hydrochloric acid is 36%-38%, and the weight reduction of the wet-process black silicon texturing silicon wafer is controlled to be 0.35g to 0.45g; 2 ) performing a diffusion processof a normal production line process and then carrying out processing in the normal production line process, namely, sequentially carrying out diffusion, PSG removal, etching, PECVD film coating, screen printing and testing. By virtue of the method for effectively controlling diamond wire wet chemical black silicon battery piece EL poor performance provided by the invention, the low efficiency proportion of battery piece quantity production can be lowered.
Owner:RISEN ENERGY (CHANGZHOU) CO LTD
Method for producing by-product hydrobromic acid in synthesis of bromobenzene
ActiveCN102964209ANormal appearanceBromine/hydrogen-bromideHalogenated hydrocarbon preparationBenzeneBromine
The invention provides a method for producing by-product hydrobromic acid in synthesis of bromobenzene. Under the condition of reflowing temperature, by virtue of a separation tower and a total condenser, the bromine vapor volatilized into the tower is continuously eluted by the benzene under the condition of reflowing, so that the aim of improving the comprehensive utilization rate of bromine and the quality of the by-product hydrobromic acid is realized. The method provided by the invention comprises the following specific steps of: 1) adding benzene and a catalyst in a reactor, at the temperature of warming and reflowing, dropping bromine, and obtaining the bromobenzene by debenzolizing and refining the synthesized liquid; and 2) continuously eluting the end gas synthesized in the step 1) by the benzene in the tower, cooling the end gas in a fractional condenser, and conveying the cooled gas in an end gas absorption system. The content of the free benzene in the by-product hydrobromic acid obtained by the method is less than 40PPM, and the by-product hydrobromic acid is a colorless or slightly yellow transparent liquid, and has no various change in appearance after being stored for more than one year.
Owner:JIANGSU YOUJIA CHEM +1
A kind of actinidin and its preparation method and application
InactiveCN103705550BGrowth inhibitionInhibit the development of deteriorationAntineoplastic agentsPlant ingredientsSide effectActinidia
Owner:SHANGHAI INST OF PHARMA IND CO LTD +1
Gingival cell hydrogel filling agent and preparation method and application thereof
InactiveCN110075126AGood treatment effectImprove stabilityAerosol deliveryDigestive systemDermisWater soluble
The invention provides a gingival cell hydrogel filling agent and a preparation method and application thereof. The gingival cell hydrogel filling agent adopts a water-soluble chitosan material as a holder, wherein autologous gingival fibroblasts and / or gingival mesenchymal cells are attached to the holder. The gingival cell hydrogel filling agent for injection provided by the invention is composed of autologous hypodermal cells attached to the chitosan hydrogel holder; the autologous fibroblast-like cells are obtained by performing in-vitro expansion and culture on fibroblast-like cells derived from autologous gingiva of a patient; the treatment effect is good; the stability is improved; the holder per se has the advantages that first, the attachment growth of the fibroblast-like cells can be supported; second, the holder can be absorbed; third, the holder is soft and injectable; fourth, certain temperature-sensitive properties are achieved, hydrogel is automatically formed at a bodytemperature of 37 DEG C, and therefore, the holder is worthy of being popularized and applied widely.
Owner:张永国
Solid gastrodia elata consciousness-restoring traditional Chinese medicine composition as well as preparation method and application thereof
PendingCN113713048ANo side effectsRich sourcesNervous disorderLeech/worm material medical ingredientsBiologyChinese herbology
The invention relates to a solid gastrodia elata consciousness-restoring traditional Chinese medicine composition as well as a preparation method and application thereof. Specifically, the composition is prepared from the following raw material medicines in parts by weight: 200 to 400 parts of gastrodia elata, 150 to 250 parts of earthworm, 200 to 400 parts of rhizoma acori graminei, 150 to 250 parts of polygala tenuifolia, 50 to 150 parts of prepared rehmannia root and 50 to 150 parts of cistanche. The invention further provides a preparation method of the traditional Chinese medicine composition and pharmaceutical application of the traditional Chinese medicine composition. The traditional Chinese medicine composition can be used for treating or preventing hypomnesis and slow response, treating or preventing encephalatrophy and treating or preventing cerebral dementia caused by stroke or cerebral trauma.
Owner:YUNNAN YONGZITANG PHARMA
A kind of method of bromobenzene synthetic by-product hydrobromic acid
ActiveCN102964209BNormal appearanceBromine/hydrogen-bromideHalogenated hydrocarbon preparationBenzeneBromine
Owner:JIANGSU YOUJIA CHEM +1
Elastic wiredrawing light-cured resin and preparation method thereof, and elastic wiredrawing adhesive
ActiveCN114015014AFast curingNo obvious yellowingPolyureas/polyurethane adhesivesPolymer sciencePolyol
The invention provides an elastic wire-drawing light-cured resin and a preparation method thereof, and an elastic wire-drawing adhesive. The elastic wiredrawing light-cured resin provided by the invention is prepared from the following raw materials in parts by mass: 25-35 parts of isocyanate, 55-65 parts of polyol, 10-15 parts of a hydroxy acrylic monomer, 1-2 parts of an amine active substance, 0.5-1 part of a molecular weight regulator and 0.1-1 part of a catalyst. The raw materials are matched according to a certain proportion, so that the obtained elastic wiredrawing light-cured resin has higher curing speed and good yellowing resistance, flexibility and wiredrawing effect.
Owner:南雄市沃太化工有限公司
An inner surface wrinkled cigarette paper
ActiveCN106666817BIncrease contact surfaceIncrease roughnessMechanical working/deformationCigarette manufactureFiberEngineering
Owner:CHINA TOBACCO YUNNAN IND
Fresh-keeping method for jujube
InactiveCN101218936BCrispyDoes not affect the tasteFruits/vegetable preservation by freezing/coolingSugarPreservation methods
Owner:王真明
A kind of polypropylene composite material and its preparation method and application
Owner:ORINKO NEW MATERIAL CO LTD
BIT product continuous channelization cyclization process and reaction equipment thereof
InactiveCN113648961AIncrease production speedIncrease productivityOrganic chemistryChemical/physical/physico-chemical nozzle-type rreactorsWater chlorinationProcess engineering
The invention discloses a BIT product continuous channelization cyclization process and reaction equipment thereof, and belongs to the field of chemical equipment. Reaction equipment for a BIT product continuous channelization cyclization process comprises an intersection unit, a mixing unit and a reaction unit which are sequentially communicated, the reaction unit comprises a reaction pipeline, a solid reactant C is introduced into the upper end of the reaction pipeline, a plurality of reaction projection are fixedly arranged on the inner bottom wall of the reaction pipeline, the reaction projection support the reactant C, so that after mixed liquid flow past the reaction projection, eddy current is formed, the area where the reaction projection forms the eddy current is an area for supporting a reactant C. According to the invention, large-scale pipeline reaction can be carried out on the production of BIT products, the production speed and the mixing intersection and free control times of ammonia water and chlorination liquid are increased, and the ammonia water and the chlorination liquid are fully mixed; the TDBA is in full contact with a mixed solution in the reaction pipeline, so that the problem that TDBA solid particles are not completely reacted and directly enter a product is effectively avoided.
Owner:绍兴市上虞三维化工有限公司
A clean fuel engine powder metallurgy high-speed steel valve seat and its preparation process
ActiveCN107267877BConvenient sourceReasonable ratio of ingredientsTransportation and packagingMetal-working apparatusVolumetric Mass DensityAlloy
The invention discloses a clean fuel engine powder metallurgy high-speed steel valve seat and its preparation process. The base material is W6Mo5Cr4V2 high-speed steel powder, and Cu, Co-Cr-Mo and Fe-Mo hard particles are added; the composition mass percentage is W6Mo5Cr4V2 is 45% to 57%; Co-Cr-Mo is 13% to 17%; Fe-Mo is 4% to 7%; Cu is 17% to 22%; solid lubricant and free cutting components are 2% to 3% %. The invention adopts infiltration sintering and heat treatment technology to reduce and improve the density, hardness and wear resistance of the powder metallurgy high-speed steel valve seat, on the one hand, stable alloy tempered martensite and fine dispersed secondary alloy carbide can be obtained. On the other hand, the combination of the matrix and the hard particles is more firm, and it is not easy to peel off from the matrix during friction and wear. Through the infiltration sintering and heat treatment process, the material density, hardness and wear resistance are improved.
Owner:HUBEI UNIV OF AUTOMOTIVE TECH
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