438results about How to "The preparation method is scientific and reasonable" patented technology

The invention discloses a nanofiltration membrane with a nanometer hybridized desalination layer. The desalination layer formed through interphase hybridization of an inorganic nanoparticle with a particle size of 1 to 1000 nm and polyamide or polyimide is arranged on a porous supporting layer of the membrane. A preparation method for the nanofiltration membrane mainly comprises the following steps: pre-dispersion of the nanoparticle, preparation of a solution A, preparation of a solution B, interfacial polymerization, surface polishing and roller squeezing, rinsing with deionized water, moisture retention with glycerin and drying, wherein air drying and sulfonation can be carried out after surface polishing and roller squeezing. According to the invention, nanometer hybridization effects of a high polymer nano-material in the nanofiltration membrane are made full use of, so hydrophilic performance, antioxidation performance and anti-pollution performance of the nanofiltration membrane are improved, and the nanofiltration membrane has the advantages of low pollution, great flux and a high removal rate. The preparation method is scientific and reasonable, enables the nanometer composite nanofiltration membrane with a specific nanoparticle and polyamide hybridized desalination layer to be prepared and has higher ion selectivity, low pollution capability and temperature stability.

The invention provides a starch composite foamed material and its production method, which comprises the following components by mass fraction: 1% to 50% of starch; 10% to 60% of EVA; 1% to 50% of elastomer; 0 to 5% of organic bentonite; 0 to 50% of inorganic powder; 0.1% to 15% of plasticizer; 0.5 to 2% of cross-linking agent, 2 to 11% of composite foamed agent, 0 to 3% of surface conditioning agent, 0 to 5% of compatibilizer and 0 to 5% of other auxiliary agents. The production process is also disclosed. The starch composite foamed material can be widely used for manufacturing beach shoes, slippers, sports shoes and the like, and can be used for producing children picture mosaic, foam floor, and also can be used for package materials of precision electronic instruments, electric appliances and medical apparatus. The production of material is beneficial to environmental protection, and shortage phenomenon of plastic raw material can be alleviated. The production method is scientific and reasonable, the process is simple and strong operationality, and substantially improves degradability of a traditional EVA foamed material, realizes functionalization of EVA foamed material and enhances the added value of the products, the starch composite foamed material has wide application market prospects, obvious social benefit and economic benefit.

The invention discloses a dasatinib polymorphic substance. In addition, the invention also discloses a preparation method and a medicinal composition of the dasatinib polymorphic substance. The dasatinib polymorphic substance provided by the invention has the advantages of good physicochemical property and good stability, is more suitable for industrial scale preparation, and the like.

The invention relates to an antibacterial corrosion-resistant ceramic coating of a non-stick pan and a preparation method of the coating, and belongs to the technical field of ceramic machining. The antibacterial corrosion-resistant ceramic coating comprises the components in parts by weight as follows: 35-40 parts of silicon oxide sol, 5-9 parts of aluminum oxide sol, 1-3 parts of zirconium oxide sol, 5-8 parts of a water soluble polyester modified epoxy resin, 1-3 parts of black iron oxide, 5-8 parts of spherical ceramic micro powder, 8-12 parts of absolute ethyl alcohol, 1-3 parts of silver nitrate, 1-3 parts of aluminum nitrate, 1-3 parts of and fluoride silicone oil and 10-15 parts of deionized water. The preparation method comprises the steps as follows: the materials are mixed according toin the ratio, stirred for 4-6 h in a sealing manner at a temperature of 35-42 DEG C and a rotating speed of 300-350 rpm (revolutions per minute), and then calcinated at a high temperature of 300-350 DEG C; and composite ceramic material powder is composited. The coating of the non-stick pan has good mechanical property, is high in strength, high-temperature-resistant, abrasion-resistant and scratch-resistant, and has an antibacterial function; and the preparation technology is simple, and the coating is non-toxic and harmless to the environment.

The invention provides a culture medium for morchella and a preparation method thereof and relates to the technical field of edible mushroom cultivation, wherein the culture medium is composed of the following components: peat, soybean curb residue, shaddock peel, tomato seedling, plant ash, monopotassium phosphate, gypsum powder, quick lime and a regulator; the preparation method of the culture medium comprises the steps of (1) material preparation, (2) crushing, (3) mixing, (4) fermentation and (5) packaging. The culture medium for the morchella is added with the peat and a plurality of waste materials on the basis of the traditional culture medium, and thus is capable of meeting the nutrition requirements of the growth of the morchella and also advantageous for hypha production, and moreover, the raw materials are wide in source and the cost is low. The preparation method of the culture medium for the morchella is scientific and rational, and consequently, the nutrition values of various materials can be utilized more effectively, fruiting can be advanced, the fruiting period can be prolonged, and the nutrition value of the morchella is also increased.

An effervescent tablet for improving the immunizing effect of vaccine by dissolving it in drinking water contains water-soluble non-volatile weak solid acid and hydrogen carbonate salt, water-soluble solid auxiliary and color indicator and leavy metal chelating agent.

The invention discloses a waterproof and oxygen-insulating sealing film, a preparation method of the waterproof and oxygen-insulating sealing film, and an application of the waterproof and oxygen-insulating sealing film. The preparation method comprises the following steps: firstly, preparing graphene oxide nanoribbons (GONRs) by adopting a longitudinal multi-walled carbon nanotube oxidization cutting method, performing modification to obtain functional GONRs (K-GONRs), and then compounding the K-GONRs and an ethylene-vinyl acetate copolymer (EVA) on a film coating machine to form a film. According to a composite material thin film prepared by using the method disclosed by the invention, the K-GONRs have excellent compatibility with an EVA matrix, and meanwhile, the K-GONRs achieve good dispersion in the matrix. In addition, most of obtained laminar K-GONRs are distributed in an EVA composite thin film in parallel. By virtue of the multi-layer and parallel-distributed special structure and the close combination between a K-GONRs inserted layer and the EVA matrix, the thin film has excellent blocking performance and good acid and alkali resistance, and further improves the mechanical performance; meanwhile, the thin film is safe and environment-friendly, is particularly suitable for preparing valuable precision instrument sealing films, ice bags for packaging ice and frozen products, and food packaging films, and has wide practical application values.

The invention relates to the field of a material substrate and provides a substrate and a preparation method thereof. The dielectric constant of a porous glass ceramic material prepared from CaO-B2O3-SiO2-series glass ceramic by means of sintering can be reduced to 2-3, and simultaneously the loss can be reduced by 30%; furthermore, the preparation method is scientific, reasonable, simple and easy to implement; and a low-dielectric constant and low-loss substrate prepared by the porous glass ceramic material satisfies the requirements of a super-material substrate on dielectric constant and loss and can be widely applied to the field of electromagnetic materials.

The invention discloses a hexagonal boron nitride base slide plate lubricant and a preparation method thereof. The hexagonal boron nitride base slide plate lubricant comprises the following components in parts by weight: 20 to 50 parts of hexagonal boron nitride powder, 1 to 4 parts of carbon black, 0.5 to 2 parts of bentonite, 2 to 5 parts of alpha-high temperature alumina powder, 3 to 9 parts of silica sol, 1 to 3 parts of white emulsion, 1 to 5 parts of carboxymethylcellulose sodium, 0.1 to 0.5 part of tween, 0.5 to 1.5 parts of glycol, and 0.1 to 0.5 parts of antiseptic, the balance being water. The preparation method of the hexagonal boron nitride base slide plate lubricant comprises the following technology steps: (1) adding silica sol, white emulsion, carboxymethylcellulose sodium, tween, glycol, antiseptic and water into a high-speed mixer so as to obtain a pre-prepared solution; (2) then adding hexagonal boron nitride powder, carbon black, bentonite, and alpha-high temperature alumina powder into the pre-prepared solution, and stirring so as to obtain the hexagonal boron nitride base slide plate lubricant.

The invention belongs to the technical field of thermal-insulation materials and particularly relates to an efficient thermal-insulation aerogel composite plate and a preparation method thereof. The aerogel composite plate is prepared from a thermal-insulation material matrix and aerogel, wherein the thermal-insulation material matrix is a fiber mat of which the density is 0.09-0.12g / cm<3>, and the diameter of the fiber is 1-3mu m; the aerogel is prepared from tetraethylortho silicate, alcohol and distilled water at a molar ratio of 1: (4-10): (2-6); and the total volume of the aerogel is 1.5-3 times of the volume of the fiber mat. The aerogel composite plate has the characteristics of high efficiency and thermal insulation; and the preparation method is simple in process and is easy to implement.

The invention provides a compound feed for juvenile perches. The compound feed is characterized by being composed of following components in parts by weight: 350 to 430 of steam fish meal, 25 to 35 parts of spray blood-cell powder, 30 to 40 parts of euphausia superba powder, 30 to 50 parts of beer yeast, 150 to 200 parts of peeled soybean meal, 30 to 50 parts of corn protein powder, and 220 to 250 parts of strong flour. According to the nutrition needs, and physiological and biological characteristics of juvenile perches, aiming for improving immunity and growth speed of juvenile perches, the method adopts high quality raw materials, optimizes the feed formula, and adds a high-effective green immunity growth-promoting addictive so as to develop a compound feed for juvenile perches and achieve the goal of industrialization, thus the feeding cost and diseases are reduced, and the pollution to water body is also reduced.

The present invention provides a method of multi-walled carbon nantubes using polymer as raw material, belonging to inorganic function material synthesizing technology field, in particular: polyethylene or polypropylene, PEMA or polypropylene and catalyst are placed in the sealing container according to a certain proportion, calculated by weight percentage, polyethylene or polypropylene : PEMA or polypropylene : catalyst is 1:0.25-0.5:0.05-0.005; baking 10-25 hour under the temperature 600-850 Celsius, cooling to room temperature, removing reactant, acid washing to remove catalyst, the product is obtained by drying. The invention has a simple operation, high productive rate, lower cost, and is a green method for acquiring carbon nantubes, the multi-walled carbon nantubes have wide application, used as hydrogen storage material, high strength composite field, catalyst carrier etc.

The invention discloses a method to manufacture anti-sticking antisepsis coating material used in water or gas pipeline. It is made up of film forming resin, filling, assistant agent, dispersing agent, and compounding solution. The main ingredients in film forming resin are epoxy resin, chlorinated rubber, and phenol-formaldehyde resin. The filling is made up from iron red, and talcum powder. The assistant agent is gas phase SiO2. And the compounding solution is made up from ethanol, cyclohexanol, butyl alcohol. The coating material has the advantages of easy to be manufactured, strong adhesive force, good tenacity, steady capability, and so on.

This invention relates to a kind of ceramics, glass steel compound pipe which is composed of ceramic inner layer, middle connection layer and glass steel layer. The process method comprises the following steps: spraying resin middle connection layer on the inner ceramic pipe layer; then compounding glass steel outer layer. The compound pipe middle connection layer and the ceramic layer and the glass steel outer layer are tightly combined, which makes best use of the ceramic characteristics and the glass steel materials. The invention are most used in transmission of liquid medium with solid particles and the powders.

The invention relates to an antibacterial ceramic coating of a non-stick pan, a preparation method and a non-stick pan thereof. The antibacterial ceramic coating comprises the following components: silver, aluminum oxide and silica, wherein the weight ratio of the silver to the aluminum oxide to the silica is 4.4-6.5: 10-13: 22-30. The preparation method comprises the following steps of: by taking absolute ethyl alcohol as a co-flux and adding acid liquor as a catalyst, forming silica sol through hydrolysis and polycondensation of alkoxysilane, uniformly dispersing two reactants into gel of a silica nanometer network structure by utilizing reaction among silver nitrate, aluminum nitrate and silica, carrying out solid-phase reaction between the two reactants through high-temperature burning, and synthesizing complex phase ceramic material powder. The preparation method, provided by the invention, is scientific and reasonable, simple and easy to implement, and convenient for application, the prepared antibacterial ceramic coating has the advantages of good mechanical property, high intensity, scratch resistance, antibiosis, no toxicity and environmental friendliness, and conforms to requirements of safety, health, energy conservation, green and environmental friendliness of the current international environmental group and nation.

The invention discloses a preparation method for corncob-shaped polyaniline-supported halloysite nanotube modified polypropylene (PP). The method comprises the following specific steps: performing in-situ polymerization on aniline on cleaned halloysite nanotubes in an ice-water bath, performing mixing on corncob-shaped polyaniline-supported halloysite nanotube composite powder obtained by vacuum drying and a PP plastic in a high-speed mixing machine according to a certain ratio, performing extrusion granulation by using a twin-screw extruder, and performing injection molding by adopting an injection molding machine to prepare a standard sample strip of the halloysite nanotube-polyaniline / PP composite material. The corncob-shaped polyaniline-supported halloysite nanotubes prepared by the method provided by the invention have excellent electrical conductivity, thermal conductivity and flame retardance, the mechanical properties of the composite material can be improved, electrical and flame-retardant properties of a PP engineering material can be improved, and an application field of PP is greatly expanded.

The invention relates to a zirconia reinforced silicon nitride / quartz-matrix ceramic composite material, and belongs to the technical field of special ceramics. The composite material comprises the following compositions by weight: 60 to 80 percent of quartz powder, 10 to 30 percent of silicon nitride powder, 2 to 15 percent of nano ceramic powder, 1 to 10 percent of sintering auxiliary agent and 5 to 20 percent of zirconia powder. The preparation method comprises the following steps: adopting deionized water as dispersing medium and silicon nitride ceramic balls as grinding medium; mixing and grinding the compositions in a polyurethane ball milling jar for 10 to 20h to prepare shaped granular material with the grain diameter between 100 and 500 mu m; preparing a biscuit through press forming; and preparing the composite material through pressureless baking in nitrogen atmosphere. The zirconia reinforced silicon nitride / quartz-matrix ceramic composite material has the advantages that the composite material has strong temperature resistance, excellent ablation resistance, excellent mechanical property and dielectric property and high intensity and can meet the requirements of application; moreover, the preparation method is scientific, reasonable and simple.

The invention relates to a CoS / CoNi(OH)<4> porous nanocomposite used in the technical field of super capacitor electrode materials. The CoS / CoNi(OH)<4> porous nanocomposite is characterized in that ZIF-67 used as a reaction precursor is partially vulcanized by using TAA first; then, Ni(NO3)<2>.6H<2>O is added, and etching precipitation reaction is conducted between the Ni(NO<3>)<2>.6H<2>O and theremaining ZIF-67; and the finally obtained CoS / CoNi(OH)<4> porous nanocomposite is of a chip level packaged porous hollow rhombohedral dodecahedron multistage structure with the diameter between 500nmand 600nm, and the nanocomposite has a novel shape and excellent properties. A scientific, reasonable, simple, practical and low-cost preparation method which is suitable for large-scale industrial production and has a good effect is further disclosed.

The invention belongs to the technical field of synthesis of polyether and particularly relates to antioxidant polyether polyol and a preparation method thereof. The antioxidant polyether polyol is prepared from the following raw materials in parts by weight: 200-600 parts of an initiator, 1-5 parts of a catalyst, 112-520 parts of propylene oxide and 238-1100 parts of ethylene oxide, wherein the initiator is o-phenylenediamine and sorbitol. The preparation method comprises the following steps: dissolving the initiator and the catalyst until a homogeneous phase is formed, displacing, heating, dropwise adding propylene oxide and ethylene oxide and reacting to obtain crude polyether polyol; washing crude polyether with water, neutralizing, adsorbing, drying and filtering to obtain the finished product, namely, polyether polyol. The polyether polyol prepared by the preparation method disclosed by the invention has good antioxidant effect, the amount of the antioxidant is reduced, the production steps are simplified, the benefits are increased and the range of source of raw materials is wide; the preparation method is scientific, reasonable, simple and feasible.

The invention discloses a preparation method of an amur grape beibinghong dry red wine. The method comprises the steps of preparing grape mash by artificially threshing and crushing raw materials; adding potassium metabisulfite; adjusting the sugar content of the grape mash by adding sugar; performing first fermentation by adding active dry yeast; separating skins and dregs to obtain a supernatant liquor; performing second fermentation on the supernatant liquor; separating wine lees to obtain a raw wine; performing tank turning and ageing; rapidly cooling the raw wine by adding a clarification stabilizer, and freezing; filtering and sterilizing; bottling; storing. The preparation method is scientific, reasonable and easy to control operations, and can be applied to special wine manors for producing high-grade dry red wines in a small scale.

The invention discloses a macromolecular preservative paint and preparing method, which comprises the following steps: allocating raw material with 55% filming material, 11% solvent, 11% paint adjuvant and 23% dye and fill; heating filming material to dissolve; stirring to add emulsion to emulsify; adding solvent, paint adjuvant to grind; beating; stirring; filtering; detecting viscosity; selecting filming material from oil-water amphiprotic acrylic acid resin, natural rubber, chlorcosane and zinc stearic acid; making isopropanol as solvent.

The invention relates to traditional Chinese herbal health care lotion and a preparation method thereof; ginseng, gastrodia elata, ganoderma lucidum, notoginseng, Chinese caterpillar fungus, caulis dendrobii, immortal grass, honeysuckle, dandelion, radix isatidis, mung beans, wild chrysanthemum flower, radix paeoniae rubra, buffalo horn, papaya, ramulus mori, acanthopanax bark, red coix seed, ginkgo biloba, sea clams shell, rhizoma ligustici wallichii, sheep hoof and other traditional Chinese medicine are decocted to obtain extract; the preparation method comprises the following steps that (1) all raw materials are mixed, added with water and decocted for 2 hours at the temperature of 70DEG C to 90 DEG C; and (2) the mixture is continuously decocted for 1.5 hours to 2 hours at the temperature of 90DEG C to 100DEG C and filtered, and the extract is obtained; and (3) surfactant and water are added into the extract and mixed uniformly, wherein the extract: the surfactant: the water=1:4:5. The traditional Chinese herbal health care lotion has a good health care effect, is particularly applicable to mental / physical laborers and social groups who have bad mental condition, easily get tired and have quite bad skin, can serve as the detergent of underwear and has an ideal health care effect; and the preparation method is scientific and reasonable, and can effectively display the functions of all the traditional Chinese herbal components.

The invention relates to a preparation method for a composite ceramic coat, and belongs to the technical field of special functional ceramics. The preparation method comprises the following steps: (1) preparing lithium carbonate, aluminum nitrate, rare earth oxide and water in proportion and dissolving the lithium carbonate, the aluminum nitrate and the rare earth oxide in the water to obtain a clear transparent solution; (2) preparing ethyl orthosilicate, anhydrous ethanol and distilled water in proportion to obtain a hydrolytic solution; (3) fully mixing the clear transparent solution and the hydrolytic solution, adding acid catalyst and then gelling the mixed solution at a constant temperature of between 60 and 90 DEG C; (4) putting the gel obtained after the gelling in a drying box at a temperature of between 150 and 200 DEG C for drying and then calcining the gel to obtain a composite ceramic powder body; and (5) adding the composite ceramic powder body in distilled water to prepare slurry and coating the slurry on the surface of a substrate so as to obtain the composite ceramic coat after sintering. The composite ceramic coat has ideal waterproofness and can resist rain corrosion; moreover, the coat is matched well with the substrate to obtain the effect of widening frequency band.

The invention relates to a looks-improving, youth-keeping and anti-aging health care food which can strengthen human immunity function and a preparation method thereof. The health care food compounds donkey hide gelatin, polygonatum, poria cocos, cassis seed, rhizoma polygonatum, wolfberry fruit, etc. raw materials in accordance with a certain portion. The raw materials are made into oral liquid, granule or tea drinking through the preparation technique of cleaning, precise selection, processing, grinding, etc. The health care food of the invention, based on the theory of keeping health of Chinese traditional medicine, has the functions of conserving outside with inside, looks improving and youth keeping, delaying aging and strengthening the immunity function of human body. The raw materials of the invention are natural, atoxic and harmless and do not have side effects; meanwhile, the source of the raw materials is sufficient. The preparation method is scientific and reasonable, simple and easy.

The invention belongs to the biological technology field, and specifically relates to a high efficient and fast culture method of anoectochilus roxburghii tissue cultured seedling. The method comprises the following steps: adjusting the hormone concentrations in each stage to the optimum concentrations, then culturing anoectochilus roxburghii seeds in a seed culture medium to form protocorm until small buds start to grow from the protocorm; then transferring the anoectochilus roxburghii buds to a subculture medium until the buds grow into seedlings with 2 to 3 true leaves and 1 to 2 young roots; then transferring the seedlings to an one-step culture medium until the seedlings growth into commercial tissue cultured seedlings with 2 to 3 roots and 4 leaves, wherein the seeding height is not lower than 2.5 cm and the seedling diameter is not smaller than 0.2 cm; and finally transplanting the commercial tissue cultured seedlings to matrix on the seedbed in a greenhouse until the seedlings grow into plants suitable for harvesting. The germination time is shortened, the germination rate is high, the growth of seedling is fast, the pollution and variation are reduced, the tissue cultured seedlings are strong, the leaves and the roots are fully developed; and the non-toxic breeding of anoectochilus roxburghii seedling is achieved.

A water-permeable moisture-preserving brick for pavement is made up of granular aggregate and high-plasticity clay powder through proportionally mixing, adding water, die pressing and calcining at 1100-1250 deg.C.

The present invention belongs to the technical field of inorganic materials, and particularly relates to a quartz fiber reinforced silica ceramic composite material densification method, which comprises: respectively weighing high hydrogen content silicon oil, tetraethyl orthosilicate, deionized water, a catalyst and quartz powder, and stirring in water bath to obtain an impregnating solution; and dipping a quartz fiber reinforced silica ceramic composite material dried to achieve a constant weight state into the impregnating solution, carrying out a vacuum treatment, co-placing the composite material and the impregnating solution into a constant-temperature and constant-humidity drying oven, continuously dipping, and then curing to obtain the finished product. According to the present invention, the preparation method is scientific and rational and is simple to perform, the density and the compressive strength of the material are significantly improved, the dielectric constant and the dielectric dissipation factor of the densified material are substantially unchanged, and the influence on the tensile strength and the flexural strength of the material during the low temperature treatment is little.

The invention provides a compound feed of pelteobagrus fulvidraco juvenile fish and a preparation method thereof. The compound feed comprises the following components in percentage by weight: 25-45% of fish meal, 4-8% of meat and bone meal, 15-20% of flour, 4-10% of corn, 10-20% of soy bean meal, 4-8% of rapeseed meal, 1-4% of fish oil, 10-20% of corn gluten meal, 1.0% of multivitamins, 1.0% of multiminerals, 0.1% of immunopotentiator, 0.2% of liver protecting agent, 0.2-0.4% of choline and 1-2% of calcium biphosphate. The compound feed has high quality grinding particle size, mixing uniformity, feed shaping property, water resistance and other characteristics. The pelteobagrus fulvidraco juvenile fish fed with the compound feed has body color close to the natural body color, and the compound feed can improve the anti-virus capability of the pelteobagrus fulvidraco juvenile fish, shorten the breeding cycle, reduce the breeding cost, reduce the sources of the diseases and water body pollution and has obvious economic and environmental benefits.

The invention relates to a improved low dielectric, wave-passable multi-hole ceramic material and the manufacturing method. The weight proportion of the raw material is that quartz: aluminum phosphate: silicon nitride= (40-55): (40-55): (5-10), and 1-10% abio-liquid foaming agent. Pressing into mold after graining, the diameter is controlled to 60-90mm. The invention would satisfy application request, and it is easy to operate.

The invention relates to a preparation method of barley grass tea. The preparation method comprises the steps of carefully choosing raw material, washing, dehydrating, performing super-fine crushing, sterilizing and packaging. The preparation method of the barley grass tea has the advantages of scientific and reasonable preparation method and simple process, and the prepared barley grass tea is delicious in taste, contains more than 70 minerals, various vitamins, plant flavonoids, soluble dietary fiber and natural chlorophyll, and is rich in nutrition, easy to store and transport, clean, sanitary, convenient to drink and suitable for food habits of Chinese people. The barley grass tea is suitable for being used at home and during traveling, as well as being used as a gift for friends and relatives.