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64results about How to "Strong solubilizing ability" patented technology

Preparation method of micro-emulsion absorption liquid used for processing organic exhaust gas

The invention relates to a preparation method of an organic exhaust gas micro-emulsion absorption liquid, and a method for applying the micro-emulsion absorption liquid for cleaning industrial organic exhaust gas comprising benzene, toluene, xylene, and the like. The invention belongs to the technical field of atmosphere pollution control. The absorption liquid is prepared from the components of, by mass, 80-90% of water, 0.5-3% of a surfactant, 7-19.5% of a coupling agent, and 0.02-0.06% of an auxiliary agent. The surfactant is sufficiently mixed with water, such that a surfactant solution is obtained; the auxiliary agent is dissolved in water, such that an auxiliary agent solution is obtained; the two solutions are combined and uniformly mixed; and the coupling agent is added, and the obtained solution is stirred, such that the organic exhaust gas micro-emulsion absorption liquid is obtained. The organic exhaust gas micro-emulsion absorption liquid is suitable to be used for controlling exhaust gas containing benzene-series volatiles, and has the advantages of convenient raw material source, low cost, mild and stable property, low toxicity, environment-friendliness, no absorption tower corrosion or blocking phenomena, no severe influence to human health, high removal rate to organic exhaust gas, no need of pretreatment upon exhaust gas, and low investment and running cost. Saturated absorption liquid and absorbed organics can be recycled, such that waste can be turned useful.
Owner:GUANGZHOU INST OF GEOCHEMISTRY - CHINESE ACAD OF SCI

Organic waste gas microemulsion absorbent, and preparation method and use thereof

The invention discloses an organic waste gas microemulsion absorbent, and a preparation method and application thereof. The absorbent comprises the following components in percentage by mass: 99.8 to 99.4 percent of water, 0.01 to 2 percent of surfactant, 0.05 to 2 percent of aid and 0.1 to 2 percent of inorganic salt. The preparation method comprises the following steps of: dissolving the surfactant with the water to obtain solution of surfactant; dissolving the aid and the inorganic salt in the water to obtain solution of aid; and mixing the solution of surfactant and the solution of aid and continuously stirring the mixed solution at the same time to obtain the organic waste gas microemulsion absorbent. The organic waste gas microemulsion absorbent is suitable for treating organic waste gases, and has the advantages of broad raw material sources, low cost, low saturated vapor pressure, non-toxicity, stable chemical properties, less corrosion to equipment, high organic waste gas removal efficiency, no need of pre-treating the waste gases, less investment, low running cost and the like; and the saturated absorbent can be recycled so as to realize the comprehensive utilization of resources.
Owner:SOUTH CHINA INST OF ENVIRONMENTAL SCI MEP

Method for electrically remedying soil polluted by petroleum

InactiveCN102225426AAvoid secondary pollutionMaintain basic physical and chemical propertiesContaminated soil reclamationBreathingPetroleum
The invention discloses a method for electrically remedying soil polluted by petroleum, relating to an electrically polluted soil restoring method and solves the problems that serious secondary pollution and damage on the originally physicochemical property can be caused during the process of electrically remedying the soil polluted by petroleum currently. In the invention, a method of combining electric remediation technology and chemical remediation technology is adopted and beta-cyclodextrin is taken as solubilizer for electric soil remediation. The pH value change of the remedied soil is small, therefore, the influence on the microorganism in the soil is smaller, and CO2 content released by breathing of the remedied soil is reduced compared with that of the remedied soil before remediation, thus well maintaining basic physicochemical property of the soil and truly realizing remediation.
Owner:HARBIN INST OF TECH

Efficient zwitterionic gemini surfactant and synthesis method thereof

The invention relates to a high-efficiency ampholytic gemini surfactant and a synthesis method thereof. The surfactant is N,N'-dimethyl carboxyl betaine which has the structural formula on the right. The surfactant has excellent water solubility, higher surface activity, good synergistic effect and other unique properties and can be widely applied in the various fields such as high-performance composite material, medicine and textile auxiliary agent.
Owner:NANJING JINSHAN AUTOMOBILE ENG PLASTIC

Anacardol polyoxyethylene ether laundry detergent

The invention provides an anacardol polyoxyethylene ether laundry detergent comprising the main components of anacardol polyoxyethylene ether, fatty alcohol polyoxyethylene ether sodium sulfate, sodium dodecylbenzene sulfonate, sodium polyacrylate, anhydrous sodium silicate and the like. The liquid laundry detergent taking anacardol polyoxyethylene ether as a main surfactant has the characteristics of strong detersive power, little foam and the like, does not contain water eutrophication ingredients such as nitrogen, phosphorous and the like, can be biologically degraded easily and is environment-friendly.
Owner:SHANGHAI DELTA IND +1

Lubricating oil

ActiveCN107338100AThe effect of reducing low temperature viscosityImprove viscosity indexLubricant compositionReducerBase oil
The invention relates to a lubricating oil. The lubricating oil comprises, by weight, 4-4.5 parts of a dispersant, 2-3 parts of a viscosity modifier, 0.5-0.8 part of an anti-wear agent, 0.2-0.3 part of a wear reducer, 0.05-0.1 part of a detergent, and base oil, and the total weight part is 100. The effect of the compatibility of all modification components is far better than the superposed effect of individual modification components in affection of the performances of the base oil, so the wear resistance and the dispersion performance of the lubricating oil are remarkably improved.
Owner:沈阳德远科技有限公司

Oil dirt cleaning agent and preparation method thereof

The invention provides an oil dirt powerful cleaning agent and a preparation method thereof. The oil dirt cleaning agent comprises the following components in parts by weight: 35-50 parts of oil, 21.5-53.5 parts of water, 1-5 parts of cationic surfactant, 1-5 parts of anionic surfactant, 1-5 parts of nonionic surfactant, 8-12 parts of cosurfactant n-butyl alcohol, 0-0.5 part of sodium chloride and 0.5-1 part of builder sodium tripolyphosphate. The oil dirt cleaning agent has the beneficial effects that the oil dirt cleaning agent uses compound microemulsion of the anionic / cationic surfactant with stronger solubilizing capacity and the nonionic surfactant with degradability as mother liquor and adopts several property assistants, so that the oil dirt cleaning agent achieves the advantages of rust prevention and decontamination, multiple reutilization of the lotion and environment friendliness, does not have limits to the oil content and has great economic value; meanwhile, the oil dirt cleaning agent also achieves diversification of cleaning objects, can be used for the materials, such as metals, glass, plastics, cloths, leather, ceramics and rubber and has a better application prospect.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Micro-emulsion completion fluid and application of the micro-emulsion completion fluid

ActiveCN104726083ASmall particle sizeEliminates blockage damageDrilling compositionWater basedWell drilling
The invention discloses a micro-emulsion completion fluid. The micro-emulsion completion fluid comprises the following components: an oil phase, a water phase, a surfactant, an auxiliary surfactant, a salt and a cleaning agent, wherein the cleaning agent is selected from an oxidant and a biological enzyme. The completion fluid provided by the invention has good comprehensive performance and facilitates cleaning of the formation damages caused by the drilling fluids, especially by the water-base drilling fluids; and the micro-emulsion completion fluid is capable of increasing crude oil yield when the well is put into operation. The completion fluid provided by the invention has wide application prospect.
Owner:CHINA PETROCHEMICAL CORP +1

Niclosamide ethanolamine salt-hydroxypropyl-beta-cyclodextrin inclusion compound and preparation thereof

The invention provides niclosamide ethanolamine salt-hydroxypropyl-beta-cyclodextrin inclusion and a preparation method thereof; the inclusion is prepared from niclosamide ethanolamine salt and hydroxypropyl-beta-cyclodextrin as a raw material and belongs to the field of pharmacy. In the invention, a molar ratio of hydroxypropyl-beta-cyclodextrin to niclosamide ethanolamine salt is 7:(1-16):1, theinclusion is prepared by: adding niclosamide ethanolamine salt to a hydroxypropyl-beta-cyclodextrin solution prepared, stirring in the dark to obtain a clear solution, and lyophilizing to obtain theniclosamide ethanolamine salt-hydroxypropyl-beta-cyclodextrin inclusion; after the inclusion is formed, the water solubility of the niclosamide ethanolamine salt is obviously improved. The inclusion has high inclusion rate, the preparation method is simple, the efficiency is high, the application range is wide, and the inclusion is suitable for large-scale production.
Owner:SHENYANG PHARMA UNIVERSITY

Foam oil and smoke cleaning agent and preparation method thereof

The invention discloses a foam oil and smoke cleaning agent and a preparation method thereof. The foam oil and smoke cleaning agent comprises the following components in percentage by mass: 0.03 to 14.5% of surfactant, 0.2 to 15% of alkaline aid, 0.1 to 15.5% of solvent, 0.1 to 2% of corrosion inhibitor, 5 to 40% of propellant, 0.5 to 2% of humectant, and the balance of water, wherein the surfactant is one or two of sodium sec-alkane sulfonate, fatty acid methyl ester sulfonate and fatty acid methyl ester ethoxylates; and the propellant is one or two of liquefied petroleum gas and dimethyl ether. The foam oil and smoke cleaning agent is sprayed in form of foam so as not to be absorbed into body through nose holes and irritate body like common oil and smoke cleaning agent; therefore, the agent is good for the environment and body health of users. In addition, the agent can effectively attach onto vertical surfaces or bottom surface of a hood, so material liquid waste is avoided and the cleaning is more completely.
Owner:廊坊市正成新材料有限公司

Nano-grade temperature-resisting and salt-resisting cross-linked polymer microspheres and preparation method thereof

The invention discloses nano-grade temperature-resisting and salt-resisting cross-linked polymer microspheres and a preparation method thereof, and belongs to the technical field of polymer microspheres. The nano-grade temperature-resisting and salt-resisting cross-linked polymer microspheres are prepared from the following components in parts by weight: 40 to 48 parts of acrylamide, 15 to 20 parts of acrylic acid, 12 to 22 parts of 2-acryloylamino-2-sodium methyl propanesulfonate, 5 to 8 parts of a surfactant, 45 to 51 parts of white oil, 1.5 to 2.6 parts of a cross-linking agent, 0.6 to 1.2parts of zirconium nitrate, 6 to 9 parts of a heat-resisting agent, 5.6 to 8 parts of ammonium persulfate, 0.7to 1.3 parts of sulfur dioxide, 2 to 6 parts of a reinforcing agent, 2.2 to 3.4 parts of disodium ethylene diamine tetraacetate, 52 to 65 parts of distilled water and 8 to 10 parts of acetone. The nano-grade temperature-resisting and salt-resisting cross-linked polymer microspheres provided by the invention have excellent comprehensive performance, temperature resistance and salt resistance and a good blocking effect, and the recovery ratio of crude oil is improved.
Owner:陕西日新石油化工有限公司

Freeze-dried voriconazole micelle preparation and preparation method thereof

The invention discloses a freeze-dried voriconazole micelle preparation and a preparation method thereof. The freeze-dried voriconazole micelle preparation consists of the following components in part by weight: 1 part of voriconazole, 2 to 10 parts of cholate, 1.5 to 5 parts of phospholipid, and 1 to 10 parts of freeze-drying supporting agent. According to the preparation, the dissolubility of the voriconazole is increased, and the dissolution degree of the voriconazole in water is improved; and the preparation can be diluted into intravenous injection by using injection water for clinical use. The particle diameter of the prepared voriconazole micelles is between 10 and 100 nanometers, the particle diameter of most micelles is about 20 nanometers, the particle size is uniform, the frozen and dried voriconazole micelles are high in re-dissolution speed, a transparent and colorless solution is formed after the voriconazole micelles are re-dissolved, and the particle diameter has no obvious change, so the safety of clinical application is enhanced. According to the prepared freeze-dried voriconazole micelle preparation, because the voriconazole is wrapped inside by the mixed micelles, influence of light, heat and moisture is avoided, and the stability of the voriconazole in a long-term storage process is improved.
Owner:JINAN KANGHE MEDICAL TECH

Preparation method of Xiaojiean extract

The invention relates to a preparation method of a Chinese complex prescription extract. The extract in the preparation method of the Xiaojiean extract is prepared from the following raw materials in parts by weight: 1100 parts of leatherleaf mahonia, 750 parts of evodia lepta, 750 parts of motherwort, 750 parts of spatholobus stem, 900 parts of glabrous greenbrier rhizome and 750 parts of forsythia suspense. The preparation method comprises the following steps of: (1) taking and making the leatherleaf mahonia, the evodia lepta, the motherwort, the spatholobus stem, the glabrous greenbrier rhizome and the forsythia suspense into net herbs; (2) weighting the leatherleaf mahonia, the evodia lepta and the motherwort, refluxing for extracting by adding 4-12 times (V / W) of 50-95% ethanol 2-4 times for 1-4 h every time, filtering to obtain an extracting solution, reducing the pressure of the extracting solution for recycling the ethanol, and condensing into thick paste, drying and crushing; (3) weighting the spatholobus, the glabrous greenbrier rhizome and the forsythia suspense, refluxing for extracting by adding 4-12 times (V / W) of 50-95% ethanol 2-4 times for 1-4 h every time, filtering to obtain an extracting solution, reducing the pressure of the extracting solution for recycling the ethanol, condensing into thick paste, drying and crushing; and (4) evenly mixing the products obtained in the step (2) and the step (3) to obtain the extract.
Owner:云南神威施普瑞药业有限公司

A kind of microemulsion completion fluid and its application

ActiveCN104726083BSmall particle sizeEliminates blockage damageDrilling compositionWater basedEmulsion
The invention discloses a micro-emulsion completion fluid. The micro-emulsion completion fluid comprises the following components: an oil phase, a water phase, a surfactant, an auxiliary surfactant, a salt and a cleaning agent, wherein the cleaning agent is selected from an oxidant and a biological enzyme. The completion fluid provided by the invention has good comprehensive performance and facilitates cleaning of the formation damages caused by the drilling fluids, especially by the water-base drilling fluids; and the micro-emulsion completion fluid is capable of increasing crude oil yield when the well is put into operation. The completion fluid provided by the invention has wide application prospect.
Owner:CHINA PETROCHEMICAL CORP +1

Unsaturated fatty alcohol polypropylene oxide-polyoxyethylene segmented copolymer as well as preparation method and application thereof

The invention provides an unsaturated fatty alcohol polypropylene oxide-polyoxyethylene segmented copolymer as well as a preparation method and application thereof. The polymer is a C22 fatty alcoholpolypropylene oxide-polyoxyethylene segmented copolymer containing unsaturated double bonds, and has a structure shown in a general formula I as shown in the specification. The preparation method comprises the steps of carrying out reaction on erucic acid ethyl ester, acetic anhydride and a metal sodium sheet, and carrying out vacuum fractionation to obtain C22 enol; carrying out ring-opening reaction on C22 enol and propylene oxide to obtain C22 enol polyoxypropylene ether; and carrying out ethoxylation reaction on C22 enol polyoxypropylene ether and ethylene oxide to obtain the C22 enol polypropylene oxide- polyoxyethylene segmented copolymer. The C22 enol polypropylene oxide-polyoxyethylene segmented copolymer has excellent performance of emulsification of highly-viscous crude oil and an aqueous solution thickening performance, and has broad application potential in the fields of viscosity reduction of thickened oil by emulsifying, pour point depression of crude oil containing wax and tertiary oil recovery development of low-seepage oilfields.
Owner:PETROCHINA CO LTD

Preparation method of waste paper deinking agent with excellent performance

ActiveCN104693881AStrong oil solubilizationGood deinking performanceOrganic compound preparationCarboxylic acid esters preparationOrganic acidChemistry
The invention relates to a waste paper deinking agent with excellent performance. The waste paper deinking agent is prepared from the following ingredients by a certain weight ratio: carboxymethyl modified fatty-acid polyoxyethylene ether, fatty-acid polyoxyethylene ether and A-107. A preparation method of the deinking agent disclosed by the invention comprises the step of uniformly mixing carboxymethyl modified fatty-acid polyoxyethylene ether, fatty-acid polyoxyethylene ether and A-107, thereby obtaining the deinking agent. According to the deinking agent disclosed by the invention, the used synthesized organic-acid polyoxyethylene block ester product is an ether-ester type nonionic surfactant, so that the deinking agent has the advantages of strong oil-and-fat solubilization property, easiness in biodegradation, environment-friendliness and the like.
Owner:JIANGMEN POLYTECHNIC

Pharmaceutical preparation containing temozolomide, pharmaceutically acceptable salts or other derivatives thereof

InactiveCN104274412ASolve solubilitySolve the shortcomings of poor reconstitution effectOrganic active ingredientsPowder deliveryWater basedFreeze-drying
The invention discloses a pharmaceutical preparation containing temozolomide or pharmaceutically acceptable salts or other derivatives thereof, at least one water-based diluent and at least one cosolvent which is sufficient to substantially dissolve the temozolomide or pharmaceutically acceptable salts or other derivatives thereof and a preparing process thereof, and in particular, discloses the freeze-dried preparation containing the temozolomide.
Owner:北京恒瑞康达医药科技发展有限公司

Enzyme highly concentrated laundry detergent

InactiveCN109797054AReduce usageThe amount of usage is greatly reduced, not only the reduction of packaging materialsNon-ionic surface-active compoundsDetergent compounding agentsHigh concentrationWater dispersible
The invention discloses an enzyme highly concentrated laundry detergent. The enzyme highly concentrated laundry detergent is prepared from, by weight, 20-32 parts of fatty alcohol polyoxyethylene ether sodium sulfate, 20-35 parts of fatty alcohol-polyoxyethylene ether, 3-8 parts of a laundry compounded enzymatic preparation, 3-12 parts of 2-methyl-2,4-pentendiol, 0.01-0.1 part of a preservative, 0.06-1 part of an essence and 100 parts of deionized water. By the adoption of the formula, the enzyme highly concentrated laundry detergent solves all the technical difficult problems during high concentration of a conventional laundry detergent, such as gelling, flowability and layering, and meanwhile solves the problems that the conventional highly concentrated laundry detergent has poor dispersion in water and easily becomes flocculent or spherical during use. Due to high concentration, the use amount of the laundry detergent is greatly reduced, the material packaging and transporting costsand the like are obviously reduced, the adding quantity of non-functional components is also obviously reduced, and thus the production cost is obviously reduced.
Owner:党峰

Cleaner with attapulgite for range hoods and method for preparing cleaner

The invention discloses a cleaner with attapulgite for range hoods. The cleaner is characterized by comprising, by weight, 30-40 parts of attapulgite, 20-30 parts of inorganic adsorbents, 1-2 parts of iso-stearyl titanium isopropoxide, 5-10 parts of sodium dodecylbenzene sulfonate, 5-10 parts of betaine, 0.1-2 parts of plant essence, 0.5-2.5 parts of sodium citrate, 5-15 parts of coconut fatty acid diethanolamide, 1-3 parts of triethanolamine, 5-20 parts of fatty acid polyoxyethylene ether, 5-15 parts of alkyl polyglucoside (APG), 0.5-4 parts of sodium oleate, 0.1-1 part of ethylparaben alcohol, 2-6 parts of active agents and 50-80 parts of deionized water. The cleaner with the attapulgite for the range hoods has the advantages that the cleaner is high in decontamination ability, good in biodegradability, free of corrosion or irritation and low in material cost and is non-toxic, and raw materials for the cleaner are easily available; a method for preparing the cleaner is simple, and accordingly the cleaner and the method have high service value and excellent application prospects.
Owner:明光市安盛非金属材料厂

Water base type metallic surface oil contamination cleaning agent for heat-pump water heater production

The invention discloses a water base type metallic surface oil contamination cleaning agent for heat-pump water heater production, and belongs to the field of metallic surface cleaning agents. The cleaning agent comprises, by mass percent, 1%-2% of a glycine betaine surface active agent, 2%-5% of a nonionic surface active agent, 5%-10% of sodium carbonate, 2%-8% of sodium chloride, 0.5%-1% of a metal inhibitor, 1%-2% of a defoamer and the balance water. The water base type metallic surface oil contamination cleaning agent has the low surface tension, has the low interfacial tension with oil contamination, is low in critical micelle concentration, has the high solubilising power on oil contamination, can quickly dissolve oil contamination on the metal surface, and improves the cleaning efficiency; the cleaning agent can effectively prevent metal corrosion and is stable in using performance; the cleaning agent has the high cleaning capacity, can be used at normal temperature and is high in efficiency, free of pollution, free of foams, free of corrosion and the like; and the cleaning agent can be particularly used for cleaning complex and difficultly-cleaned metal pipes such as spiral winding pipes and heat-pump water heaters.
Owner:广东长菱空调冷气机制造有限公司

Immobilized microorganism soil remediation agent and soil remediation method thereof

InactiveCN112126439APractice the repair functionImprove nutrient retentionOther chemical processesCarbon compoundsEngineeringBacterial strain
The invention relates to the field of environmental protection, in particular to an immobilized microbial soil remediation agent and a soil remediation method thereof. The immobilized microorganism soil remediation agent is prepared by taking charcoal as a carrier, and the microorganism remediation agent has a good remediation effect on soil polluted by polycyclic aromatic hydrocarbon. According to the immobilized microorganism soil remediation agent, microorganisms are immobilized in a limited space area, so that the concentration of microorganism cells is increased, high biological activityof the microorganism cells is kept, and the concentration of useful substances such as amino acid, organic acid and antibiotics secreted by the microorganisms and the biological catalysis effect are improved; bacterial strain colonization is facilitated, and degradation of pollutants is promoted; according to the method, a small amount of protein source is loaded in activated carbon to facilitatesurvival and proliferation of microorganisms; solid waste resources are effectively applied to contaminated soil remediation, and the method is a win-win environment-friendly means; and the soil remediation method has the advantages of being convenient to operate, low in cost, environmentally friendly and good in effect.
Owner:森科环保新材料(广州)有限公司

Phenol-degrading bacterium strain capable of producing biological surfactant and application thereof

The present invention relates to a phenol-degrading bacterium strain capable of producing a biological surfactant and an application thereof. A technical solution is as follows: the provided bacteriumstrain is pseudomonas plecoglossicida BPH-3 which is preserved by the China Center for Type Culture Collection, a preservation number is: CCTCC NO:M 2019144, and a preservation date is March 14, 2019. A GenBank accession number of 16S rDNA of the pseudomonas plecoglossicida BPH-3 is MK575471, the pseudomonas plecoglossicida BPH-3 is a Gram-negative bacterium strain, and colony is milky white andround, smooth in surface and neat in edges; and after Gram staining, the pseudomonas plecoglossicida BPH-3 is negative under a microscope and presents a short-rod shape. During fermentation degradation, the phenol-degrading bacterium strain forms a glycolipid biological surfactant which can promote solubilization, emulsification, wetting and osmosis of long-chain alkanes and can effectively degrade phenol in coking wastewater and petrochemical wastewater.
Owner:WUHAN UNIV OF SCI & TECH

Orthokoumine microemulsion and preparation method thereof

The invention provides an orikoumine microemulsion and a preparation method thereof, and belongs to the technical field of medical materials. The orikoumine microemulsion is prepared by reasonably proportioning orikoumine, polyethylene glycol oleate glyceride, polyoxyethylene hydrogenated castor oil, 1, 2-propylene glycol and water. The orikoumine microemulsion overcomes the problems of poor solubility and low bioavailability of orikoumine in the prior art. The drug loading capacity of orikoumine can reach 2200mg.L <-1>, and the solubility in water is improved by 7.07 times. The orikoumine microemulsion has the advantages of high drug loading capacity, accordance with microemulsion standards, good stability, strong solubilizing ability, simple preparation and the like, can improve the bioavailability of drugs when applied to mucosal administration, is convenient and safe to prepare, and is expected to be applied clinically.
Owner:FUJIAN UNIV OF TRADITIONAL CHINESE MEDICINE

Toothpaste containing anion and cation surface activator and production thereof

A tooth-paste contains thickening agent, rubbing agent, essence, sweetener, anticorrosion agent, humectant, non-ionic surfactant, cationic surfactant and anionic surfactant. Its advantages are high antibacterial power and high emulsifying performance.
Owner:MASSON GROUP

Eluent for benzo[a]pyrene in soil and elution method thereof

The invention discloses an eluent for benzo[a]pyrene in soil and an elution method thereof. The eluent for benzo[a]pyrene in soil is composed of a nonionic surfactant, an anionic surfactant, an inorganic salt and a solvent. The nonionic surfactant is Tween-80; the anionic surfactant is sodium dodecyl sulfate; a mass ratio of Tween-80 to sodium dodecyl sulfate is 3-4: 1; the total concentration of Tween-80 and sodium dodecyl sulfate in the elute is 4.0 to 5.0 g / L; the inorganic salt is K2SiO3 or K2CO3, and the concentration of K2SiO3 or K2CO3 in the elute is 1.0 g / L; and the solvent is water.
Owner:NORTHEAST FORESTRY UNIVERSITY

A kind of fosaprepitant dimeglumine composition for injection and preparation method thereof

The invention relates to a fosaprepitant dimeglumine composition for injection and a preparation method thereof, the pharmaceutical composition is composed of fosaprepitant dimeglumine, 15-polyethylene glycol hydroxystearate and sodium calcium edentate, prescription is simple, technology is simple, and the prepared product has the advantages of stable quality, safety and reliability.
Owner:CHENGDU EASTON BIOPHARMACEUTICALS CO LTD

Wood salt-free dyeing method

The invention provides a wood salt-free dyeing method. The wood salt-free dyeing method comprises the following steps that pre-treated wood is placed into an ethanol aqueous solution containing reactive dyes and a cationic dimeric surfactant solution to be dyed, draining, soaping, washing and drying are carried out, and dyed wood is obtained. The wood salt-free dyeing method has the advantages that security and environmental protection are achieved, and the dye-uptake rate is high.
Owner:CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY
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