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947 results about "Sulphate sodium" patented technology

Method for recovering lithium phosphate from lithium iron phosphate black powder

The invention discloses a method for recovering lithium phosphate from lithium iron phosphate black powder. The method comprises the following steps: mixing black powder recovered from waste lithium iron phosphate batteries with sodium persulfate, and calcining; adding water into the obtained calcined product, dissolving, filtering to obtain water extract A and leaching residues, washing the leaching residues with water, and calcining at high temperature to obtain battery-grade iron phosphate; adding a sodium hydroxide solution into the water extract A, and reacting to obtain a water extract B; adding a trisodium phosphate solution into the water immersion liquid B, fully reacting, performing suction filtration to obtain lithium phosphate and filtrate, and cleaning and drying the lithium phosphate to obtain battery-grade lithium phosphate; and freezing and denitrifying the filtrate to obtain a denitrified solution, and adding the denitrified solution into the sodium hydroxide solution for recycling. The method does not generate wastes, recycles the filtrate in the whole process, theoretically realizes zero loss of the lithium element, prevents the iron element from entering the solution, simplifies the preparation steps of the lithium phosphate, and has the advantages of cost reduction and environmental protection.
Owner:TIANJIN UNIVERSITY OF TECHNOLOGY

Melogabalin besylate tablet and preparation method thereof

The invention provides a melogabalin besylate tablet and a preparation method thereof, the melogabalin besylate tablet comprises a plain tablet and a coating, the plain tablet comprises, by mass, 4.39% of melogabalin besylate, 75-85% of mannitol 150SD, 3-10% of a disintegrating agent, 0.5-3% of a lubricant, 0.1-0.5% of an adsorbent, 1-10% of a filler, 0.5-3% of an antioxidant A and 0.1-3% of an antioxidant B; and the coating comprises the following components in percentage by mass: 30-45% of talcum powder, 2-10% of lauryl sodium sulfate, 30-45% of glycerol monocaprylate / dicaprylate, 2-10% of titanium dioxide, 30-45% of polyvinyl alcohol, 0.5-2% of iron oxide yellow and 0.5-2% of iron oxide red. The melogabalin besylate tablet prepared by the invention uses specific coating composition and specific coating parameters, so that the melogabalin besylate tablet can be stably stored without a drying agent and a composite aluminum bag for medicine packaging, the stability of the tablet is greatly improved, the complexity of equipment required by production is simplified, and the production cost is greatly saved.
Owner:SUZHOU DAWNRAYS PHARM CO LTD +1

High-antistatic crude oil type polyester FDY spinning oil agent and preparation method thereof

The invention relates to a high-antistatic crude oil type polyester FDY spinning oil agent and a preparation method thereof, a composition of sodium lauryl polyoxyethylene ether sulfate and potassium lauryl phosphate is used as a main antistatic agent, an antistatic smoothing agent with sulfonated chitosan and PEG800 as key components is adopted, the antistatic smoothing agent and the main antistatic agent have a synergistic effect, and the antistatic property of the spinning oil agent is improved. The overall antistatic property of the oiling agent is enhanced. The preparation method comprises the following steps: pre-balancing the materials at 40-50 DEG C before charging; then, sequentially adding an antistatic smoothing agent, a penetrating agent, a bundling agent, a main antistatic agent and an anti-coking agent, and adding materials while stirring; and finally, controlling the temperature of the reaction kettle to be 40-50 DEG C and the stirring speed to be 500-700r / min, and reacting for 0.5-1.5 hours. The crude oil type polyester FDY oiling agent is excellent in antistatic property, and polyester FDY spinning can be carried out in a crude oil direct oiling mode at the ultrahigh spinning speed of 4000 m / min.
Owner:ZHEJIANG SCI-TECH UNIV

Low-carbon near zero emission process of industrial waste water

A low-carbon near zero emission process of industrial waste water, comprising: S1: entering industrial waste water into a pre-oxidation system to improve biodegradability of organics; S2: after treatment in the pre-oxidation unit, entering the waste water into an anaerobic biological treatment system, sodium chloride and sulfate is deeply removed and carbon sources in the waste water can be used to remove the sulfate and nitrate; S3: entering water output from the anaerobic biological treatment system into a membrane concentration system and membrane concentrated solution enters a nano-filtration salt fractionation system for salt fractionation; and S4: refluxing nano-filtration concentrate solution generated by the nano-filtration salt fractionation system to the anaerobic biologic treatment system for biological desulfurization, or synthesizing the nano-filtration concentrate solution to be sodium persulfate by electro chemical methods, and refluxing proportionately to a waste water pre-oxidation system for use in-situ.
Owner:SHANXI UNIV

Detergent tablet free of SLS surfactant and preparation method thereof

This application discloses a detergent tablet free of SLS surfactant and its preparation method. The detergent tablet includes a film-forming agent, an anionic surfactant, a non-ionic surfactant, a chelating agent, an enzyme preparation, an auxiliary agent and a essence. The film-forming agent includes one or more of polyvinyl alcohol, cellulose, and dodecenyl succinate starch ester. The anionic surfactant includes at least two of sodium α-olefin sulfonate, sodium fatty acid methyl ester sulfonate, and sodium hydroxyethyl sulfonate. The non-ionic surfactant includes at least two of fatty alcohol polyoxyethylene ethers, fatty acid methyl ester ethoxylate, and oil ethoxylate.
Owner:GUANGZHOU JOYSON CLEANING PROD CO LTD

Method for reducing alkaline vanadium-containing solution during short-process preparation of vanadium electrolyte

The invention relates to the technical field of preparation of an electrolyte for a vanadium redox flow battery, in particular to a reduction method of an alkaline vanadium-containing solution during short-process preparation of a vanadium electrolyte. The reduction method comprises the following steps: (1) adding a reducing agent sodium sulfite into an alkaline vanadium-containing solution and dissolving; and (2) acid is added into the solution obtained after dissolving in the step (1), the pH is adjusted, a reduction reaction is conducted, and vanadium is reduced to be tetravalent. The method provided by the invention effectively solves the problem of vanadium loss caused by precipitation generated in the sequential operation process of acidification and reduction of the alkaline vanadium-containing solution in the prior art, and meanwhile, the method provided by the invention is easy for engineering implementation.
Owner:SICHUAN DEV XINGXIN VANADIUM ENERGY TECH CO LTD +1

Compound amlodipine atorvastatin calcium tablet and production mixing device

The invention relates to the technical field of medicines, in particular to a compound amlodipine atorvastatin calcium tablet and a production mixing device. The compound amlodipine atorvastatin calcium tablet is a core-coated tablet and comprises an inner-layer tablet core containing atorvastatin calcium and an outer-layer tablet layer containing amlodipine besylate, the inner-layer tablet core further comprises meglumine and sodium lauryl sulfate, the mass ratio of meglumine to sodium lauryl sulfate is (0.5-5): 1, the mass ratio of meglumine to sodium lauryl sulfate is (0.5-5): 1, and the mass ratio of meglumine to sodium lauryl sulfate is (0.5-5): 1. And the mass of the meglumine accounts for 1-3% of the total mass of the inner-layer tablet core. The amlodipine and atorvastatin calcium are prepared into the coated tablet, so that two active ingredients in the same tablet are effectively isolated, and the compatibility of the atorvastatin calcium and the amlodipine besylate is remarkably improved; meanwhile, the inner layer and the outer layer of the core-coated sheet are separately granulated before tabletting, so that the problem that the mixing uniformity of total mixed particles is relatively poor when conventional tablets are prepared is effectively solved.
Owner:ZHEJIANG CHANGDIAN PHARM TECH DEV CO LTD

Brawler's bacteria EMF75-02B1B and application thereof

The invention relates to the technical field of microbial medicines, and particularly discloses Brawler's bacteria EMF75-02B1B and an application of the Brawler's bacteria EMF75-02B1B. The invention discloses Blauria sp. EMF75-02B1B, which is preserved in the Guangdong Microbial Culture Collection Center on September 2, 2024, and the preservation number of the Blauria sp. EMF75-02B1B is GDMCC No: 65084. A mouse model proves that the Brawler bacteria EMF75-02B1B can obviously improve the disease activity index (DAI) of a dextran sodium sulfate induced ulcerative colitis mouse, relieve the weight loss and colon shortening degree of the ulcerative colitis mouse, enhance the intestinal barrier function and relieve inflammatory response.
Owner:FIRST AFFILIATED HOSPITAL OF KUNMING MEDICAL UNIV

Method for extracting PN / PDRN from lactobacillus bulgaricus and application of PN / PDRN in relieving and anti-inflammatory aspects

The invention discloses a method for extracting PN / PDRN from lactobacillus bulgaricus and application of the PN / PDRN in relieving and anti-inflammatory aspects, belongs to the technical field of biochemistry, and solves the problems that in the prior art, the acquisition source of PN / PDRN is unstable, and pollution easily exists. According to the preparation method, cell walls of lactobacillus bulgaricus are preliminarily dissolved through alkaline conditions and lysozyme in the preparation process, cell membranes of bacteria are destroyed through lauryl sodium sulfate to be split, the conditions are mild, meanwhile, PVP is added to protect a PN structure, and the purity of the PN / PDRN is effectively improved through a final product prepared through the preparation method.
Owner:SHAANXI MICROBIOLOGICAL TECH CO LTD

Composite quality control liquid for electrochemical multi-parameter detector

The invention provides a composite quality control liquid for an electrochemical multi-parameter detector. The composite quality control liquid comprises a buffer volume, a quality control substance and a stabilizer, the stabilizing agent comprises 5 to 50 g / L of bovine serum albumin, 0.1 to 10 g / L of EDTA-2Na (Ethylene Diamine Tetraacetic Acid), 10 to 100 g / L of a viscosity regulator, 0.3 to 25 g / L of a preservative and 5 to 20 g / L of a surfactant; the preparation method comprises the following steps: adding components of the stabilizer into a buffer system, preparing a preparation solution, preparing mother liquor of each quality control substance, proportionally mixing glucose mother liquor, uric acid mother liquor, beta-hydroxybutyric acid mother liquor and cholesterol sodium sulfate and triglyceride composite mother liquor according to the target concentration of the quality control solution, and fixing the volume by using the preparation solution to obtain the quality control liquid. And fully and uniformly mixing to obtain the composite quality control liquid. The composite quality control liquid can ensure that uric acid is not degraded, cholesterol triglyceride is not separated out, the formula is mild, and active substances in a detection system are not influenced.
Owner:HEFEI JUXUANMIAN HEALTH TECH CO LTD

A high antistatic crude oil type polyester FDY spinning finish and its preparation method

The present invention relates to a high antistatic crude oil type polyester FDY spinning finish and its preparation method. The composition of sodium lauryl polyoxyethylene ether sulfate and potassium lauryl phosphate is used as the main antistatic agent, and an antistatic smoothing agent with sulfonated chitosan and PEG800 as key components is adopted. The antistatic smoothing agent and the main antistatic agent act synergistically to enhance the overall antistatic property of the finish. Preparation method: Each material is pre-equilibrated at 40°C to 50°C before feeding; then, the antistatic smoothing agent, penetrant, bundling agent, main antistatic agent, and anti-coking agent are added in sequence while stirring; finally, the temperature of the reaction kettle is controlled at 40°C to 50°C, the stirring speed is 500 to 700 r / min, and the reaction is carried out for 0.5 to 1.5 h. The present invention is a crude oil type polyester FDY finish with excellent antistatic property, and can carry out polyester FDY spinning in the way of directly applying oil with crude oil at a super high spinning speed of 4000 m / min.
Owner:ZHEJIANG SCI-TECH UNIV

Solid gel foam fire extinguishing agent, and preparation method and use thereof

A solid gel foam fire extinguishing agent includes a material A and a material B; the material A includes the following components in mass percentage: 18% to 25% of an inorganic silicate, 0.25% of sodium carboxymethyl cellulose, 0.25% of sodium alginate, 0.1% to 0.5% of xanthan gum, 0.5% to 1% of polyvinyl alcohol, 0.5% to 1.5% of sodium lauryl sulfate, 0.01% to 0.05% of dodecanol, 0.005% to 0.01% of disodium ethylenediaminetetraacetate, and water as a balance; and the material B includes the following components in mass percentage: 25% of sodium dihydrogen phosphate, 25% of acetic acid, 1% to 1.5% of fatty alcohol polyoxyethylene ether, 0.1% to 0.5% of 3% aqueous film-forming foam, 0.01% to 0.05% of the dodecanol, and water as a balance. The fire extinguishing agent exhibits advantages including low density, low oil wettability, high resistance, high adhesiveness, and foam collapse-resistant properties in fire resistance.
Owner:TIANJIN FIRE SCI & TECH RES INST OF MEM

Method for microbially enhanced oil recovery

A method for the bioremediation of hydrocarbon-contaminated production water through the microbiological process of culturing salt-tolerant bacteria in a high-salt cell culture medium for decontamination. The high-salt cell culture medium contains sodium chloride, sodium sulfate, sodium bicarbonate, calcium chloride, and calcium chloride, along with agar, water, and salt-tolerant bacteria to form broth. Once incubated to form an inoculation mixture, this broth is combined with production water to produce a bacteria-containing liquid mixture, and then treated with production water, bioremediating by propagating the bacteria-containing liquid mixture in the treated production water.
Owner:KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS

Sodium-rich boundary-iron-rich Prussian blue analogue, preparation method and sodium ion battery

The invention discloses a method for preparing a sodium-rich boundary-rich iron-based prussian blue analogue (FePBA) through one-step hydrothermal synthesis assisted by sodium thiosulfate. The method specifically comprises the following steps: preparing a solution A and a Na4Fe (I I) (CN) 6 solution; the molar ratio of ferrocyanide to Fe ions in the solution B is 3: 4. And preparing a solution B to react with ferrocyanide to form FePBA. Adding sodium citrate to form a sodium and citrate-rich environment, then adding ferric iron salt, and fully stirring to chelate the added Fe < 3 + > with the citrate; and adding sodium thiosulfate after the step. Preparing a PVP (Polyvinyl Pyrrolidone) solution to play roles in dispersing FePBA and reducing agglomeration, and taking the PVP solution as a solution C; slowly dropwise adding the solution A and the solution B into the solution C at a constant speed by using a rubber head dropper to finally obtain a precursor solution, carrying out hydrothermal reaction for 6 hours at 110 DEG C, carrying out suction filtration on the obtained precipitate, and drying to obtain a FePBA sample. According to the invention, the time required for synthesis is greatly shortened, and the traditional coprecipitation of more than 24 hours is improved into rapid hydrothermal reaction of 6 hours.
Owner:WUHAN UNIV OF SCI & TECH

Oil sludge demulsifier as well as preparation method and application thereof

The invention relates to the field of demulsifiers, in particular to an oil sludge demulsifier as well as a preparation method and application thereof. The oil sludge demulsifier comprises the following components in parts by mass: 20-35 parts of a surface active compound, 7-12 parts of a sodium alkyl sulfate cosolvent, 0.6-1.8 parts of a stabilizer and 48-55 parts of water, wherein the surface active compound comprises hyperbranched polyamidoamine and polyether amine modified magnetic nanoparticles. According to the oil sludge demulsifier, the problems that most of existing demulsifiers are small in dehydration amount, low in dehydration speed, poor in demulsification effect and low in treated oil content are solved, the demulsification performance of the oil sludge demulsifier is improved, the demulsification and dehydration efficiency is improved, and effective separation of oil sludge is achieved.
Owner:JIANGSU HONGYU ENVIRONMENTAL TECH CO LTD

A method for extracting pn / pdrn from lactobacillus bulgaricus and its application in soothing anti-inflammation

This invention discloses a method for extracting PN / PDRN from Lactobacillus bulgaricus and its application in soothing and anti-inflammatory effects. Belonging to the field of biochemistry, this method solves the problems of unstable PN / PDRN sources and susceptibility to contamination in existing technologies. In this invention, the preparation relies on alkaline conditions and lysozyme to initially dissolve the cell wall of Lactobacillus bulgaricus, and then sodium dodecyl sulfate is used to disrupt the bacterial cell membrane, causing it to lyse. The conditions are mild, and PVP is added to protect the PN structure. The final product prepared by this invention effectively improves the purity of the obtained PN / PDRN.
Owner:SHAANXI MICROBIOLOGICAL TECH CO LTD

Regeneration method of waste molybdenum-based catalyst

The invention provides a waste molybdenum-based catalyst regeneration method which comprises the following steps: crushing and grinding a waste molybdenum-based catalyst to obtain catalyst powder; adding a liquid caustic soda solution into the obtained catalyst powder, and placing in a reaction kettle for hydrothermal reaction to obtain molybdenum hydroxide and sodium sulfate; the obtained molybdenum hydroxide is sequentially subjected to drying treatment, forming treatment and calcining treatment, and the regenerated catalyst is obtained. According to the present invention, the poisoning catalyst is regenerated by mainly using the hydrothermal reaction principle, such that the catalyst cost can be reduced, and the operation cost caused by other waste catalyst recovery methods can be avoided, such that the regeneration of the catalyst active component is achieved through the multi-stage staged treatment so as to significantly improve the regeneration efficiency and the regeneration frequency; and a new technical path is provided for resource utilization of the waste molybdenum-based catalyst.
Owner:CENTILLION ENVIRONMENT & RECYCLING (WUXI) CO LTD

Composition for geopolymer, geopolymer and preparation method thereof

The invention relates to the field of building materials, and discloses a composition for a geopolymer, the geopolymer and a preparation method of the geopolymer. The composition contains a composite foaming agent, a cementing material and water in a mass ratio of 1: (110-250): (40-50), the composite foaming agent contains a foaming agent, lauryl sodium sulfate and sodium dodecyl sulfate in a mass ratio of 10: (0.5-2): (0.5-2); the pH value of the foaming agent is greater than or equal to 8; the modulus of the alkali activator is 1 to 1.2; the admixture contains metakaolin and slag. The geopolymer material disclosed by the invention has the characteristics of excellent thermal insulation property and light weight.
Owner:SHANGHAI GEOPOLY NEW MATERIALS CO LTD

Special cleaning agent for poultry eggs as well as preparation method and application of special cleaning agent

The invention belongs to the technical field of cleaning of poultry eggs, and discloses a special cleaning agent for poultry eggs as well as a preparation method and application thereof. The special cleaning agent for poultry eggs comprises the following components: linear alkylbenzene sulfonate, fatty alcohol polyoxyethylene ether sodium sulfate, cocoanut fatty acid diethanolamide, sodium silicate, sodium tripolyphosphate, sodium carbonate, sodium chloride, sodium hypochlorite, a defoaming agent, an enzyme preparation and water. The cleaning agent is used for cleaning fresh poultry eggs, dirt on the surfaces of the poultry eggs can be rapidly removed, the dirt can be prevented from being adhered again, the sterilization rate on escherichia coli, staphylococcus aureus and salmonella reaches 95% or above, meanwhile, the influence on the strength of the poultry eggs can be reduced to the maximum extent, and the breakage rate of the poultry eggs is kept at the low level.
Owner:PHOENIX FOOD GROUP CORP LTD

Photo-thermal response self-healing coating and preparation method thereof

The invention discloses a photo-thermal response self-healing coating and a preparation method thereof, and belongs to the technical field of anticorrosive coatings. The preparation method comprises the following steps: dissolving an EVA copolymer in trichloromethane, dropwise adding into an aqueous solution of lauryl sodium sulfate, and stirring until the trichloromethane is evaporated to obtain EVA microspheres; the preparation method comprises the following steps: dispersing MXene in water, and dispersing EVA microspheres in DMF (Dimethyl Formamide); mixing and stirring the two materials to obtain an MXene-coated EVA material; the preparation method comprises the following steps: mixing water-based resin, PPGDGE and a curing agent, adding an MXene-coated EVA material, coating, and curing to obtain the photo-thermal response self-healing coating. Under near-infrared radiation, the photo-thermal response self-healing coating can be rapidly heated, the shape memory process of a coating matrix is started, the EVA material is subjected to phase change to fill the damaged part of the coating, and the MXene nanosheet prolongs the permeation time of electrolyte, so that the coating has efficient damage healing capacity and an anti-corrosion effect.
Owner:SHANDONG UNIV OF SCI & TECH +1

Method for constructing Orforglipron tetrahydropyrane ring chirality through enzyme catalysis

The invention relates to the technical field of organic synthesis, in particular to a method for constructing Orforglipron tetrahydropyran ring chirality through enzyme catalysis, which comprises the following steps: step S1, taking SM1 as a raw material, and carrying out hydrolysis resolution in a solvent, a buffer salt system and enzyme catalysis to obtain a chiral pure intermediate INT-1; step S2; performing ring closing on the INT-1 through Grignard reaction to synthesize a lactone intermediate; s3, carrying out Diball-H reduction, quenching, dichloromethane extraction and anhydrous sodium sulfate drying on the INT-4, and then reducing the INT-4 by using triethyl silane to obtain an intermediate INT3; step S4, coupling the INT-3 in the presence of a catalyst and a ligand to obtain an intermediate INT-4; step S5, carrying out deprotection and salification on the INT-4 to obtain an intermediate INT5; s6, closing an indole ring from INT5 to obtain a compound of which the general formula is A; chirality is constructed through enzyme catalysis, isomer impurities do not need to be split and separated through SFC when the chirality is constructed, the loss is reduced, the yield is increased, and a target product is obtained with high chiral selectivity; meanwhile, the cost is relatively reduced, and the cost is saved.
Owner:CHENGDU AMEBO BIOMEDICAL CO LTD

Hand dishwashing detergent concentrate

The invention relates to a liquid detergent composition comprising a first surfactant selected from fatty alcohol ether sulfates, a second surfactant selected from betaines, optionally at least one solvent selected from ethanol, propanol, isopropanol, ethylene glycol, butyl glycol, propylene glycol, polypropylene glycol, alcoholamine, monoethanolamine, glycerol and mixtures thereof, wherein the salt concentration in the composition is about 0.2 to about 10 wt.-% and wherein the salt is selected from the group consisting of sodium salts such as sodium chloride, sodium sulfate, sodium formate, sodium acetate or sodium propionate, potassium salts such as potassium chloride, potassium sulfate, potassium formate, potassium acetate or potassium propionate, magnesium salts such as magnesium chloride, magnesium sulfate, magnesium formate, magnesium acetate or magnesium propionate, and calcium salts such as calcium chloride, calcium sulfate, calcium formate, calcium acetate or calcium propionate, and mixtures thereof, and wherein the composition is a concentrate that can be diluted with water while maintaining or increasing the viscosity.The present invention further relates to the use of such a cleaning composition for cleaning hard surfaces, in particular dishes, and to a process for preparing a cleaning composition, the process comprising diluting the concentrated liquid cleaning composition with water.
Owner:HENKEL KGAA

Aprepitant nanosuspension pharmaceutical composition and preparation method thereof

The invention discloses an aprepitant nano suspension pharmaceutical composition and a preparation method thereof. The aprepitant nano suspension pharmaceutical composition comprises aprepitant, a space stabilizer, an electrostatic stabilizer and water, the steric stabilizer is selected from one or more of poloxamer F188, poloxamer F407 and polyvinylpyrrolidone K30, and the steric stabilizer is selected from one or more of poloxamer F188, poloxamer F407 and polyvinylpyrrolidone K30; the electrostatic stabilizer is lauryl sodium sulfate or PCM. By selecting a specific stabilizer and a preparation method, subcutaneous injection of aprepitant is realized, the stability of the medicine is remarkably improved, and the medicine loading capacity is increased. In addition, according to the method, the preparation process is simplified, the formula screening time is shortened, and therefore the overall preparation time is shortened.
Owner:CHENGDU MEDICAL COLLEGE

Anti-freezing liquid for improving survival rate of sperms of Chinese prawns and cryopreservation method of anti-freezing liquid

The invention discloses an anti-freezing solution for improving the survival rate of sperms of Chinese prawns and a cryopreservation method of the anti-freezing solution, and belongs to the technical field of low-temperature biology and reproductive science. The invention provides an anti-freezing solution for cryopreservation of sperms of Chinese prawns, which comprises a basic solution and an anti-freezing agent, and the anti-freezing agent is dimethyl sulfoxide with the volume fraction of 10% or glycerol with the volume fraction of 10%; the basic liquid contains 23.69 g of sodium chloride, 1.1 g of potassium chloride, 14.8 g of magnesium chloride hexahydrate, 4.3 g of sodium sulfate, 0.23 g of sodium bicarbonate, 1.12 g of calcium chloride and distilled water with the constant volume of 1000 mL. According to the cryopreservation method provided by the invention, 10% dimethyl sulfoxide or 10% glycerol is adopted as an antifreeze agent, the sperm density is controlled to be 1 * 10 < 7 > / mL, and step-by-step cooling is carried out, so that the survival rate of unfrozen sperms reaches 90% or above. The long-term preservation effect of the Chinese prawn sperms is remarkably improved, and the method is suitable for germplasm resource protection and efficient breeding.
Owner:YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI

Method to incorporate oleanolic acid into oral care compositions and oral care compositions based thereof

An aqueous oleanolic acid solution, including from about 0.10 to 2.5 weight % oleanolic acid, from about 60 to 90 weight % solvent, and from about 20 to 40 weight % solubility agent, wherein the solvent includes water, the solubility agent includes sodium lauryl sulfate (SLS), and the aqueous oleanolic acid solution is substantially free of ethanol and dimethyl sulfoxide (DMSO).
Owner:COLGATE PALMOLIVE CO

Core-shell structure P (MMA-MBA) copolymer heat storage phase change microcapsule as well as preparation method and application thereof

The invention discloses a core-shell structure P (MMA-MBA) copolymer heat-storage phase-change microcapsule, the microstructure is of a spherical structure, the core-shell structure is adopted, the core structure is hexadecane, the shell structure is a methyl methacrylate (MMA) and N, N-methylene bisacrylamide (MBA) copolymer, the emulsifier is lauryl sodium sulfate (SDS), the initiator is potassium persulfate, and the pH value of the core-shell structure P (MMA-MBA) copolymer heat-storage phase-change microcapsule is 7-8. And the coating efficiency is 70-75%. The preparation method comprises the following steps: 1, preparing an oil phase and a water phase; and 2, polymerization reaction of the microcapsule. A phase change cement material based on a core-shell structure P (MMA-MBA) copolymer heat storage phase change microcapsule is prepared by compounding the P (MMA-MBA) copolymer heat storage phase change microcapsule and a cement matrix, and has hydrophobicity; obvious weightlessness exists in two times.
Owner:GUILIN UNIV OF ELECTRONIC TECH +1

Colored spinning superfine island imitation sheepskin fabric and production method thereof

The invention relates to the technical field of high polymer materials, in particular to a color-spun superfine sea-island imitation sheepskin fabric and a production method thereof. The color-spun superfine sea-island imitation sheepskin fabric comprises the following raw materials in parts by weight: color-spun superfine sea-island fibers, conventional polyester filaments and a functional additive, the color spinning superfine sea-island fiber is formed by blending alkali-resistant color master batches and a sea-island base material, the mass ratio of an island component to a sea component in the sea-island base material is (5-7): (3-5), and raw materials of the island component and the sea component are polyethylene terephthalate and polyethylene respectively; the functional additive comprises an alkali-resistant stabilizer, a dyeing auxiliary agent and a softening agent. According to the invention, sodium citrate and KH-550 in the alkali-resistant stabilizer react at a constant temperature, sodium citrate is dissolved in the process and forms weak interaction with amino of KH-550 to enhance the stability of the system, and ether bonds of polyoxyethylene fatty acid and sulfonic groups of lauryl sodium sulfate in the dyeing auxiliary agent form a synergistic effect to enhance the emulsifying and wrapping capacity to grease and color paste.
Owner:HANG ZHOU HUI WEI SHI YONG SHENG RAN ZHENG YOU XIAN GONG SI

Sulfur tea tree essential oil silicone-oil-free shampoo and preparation method thereof

The invention relates to the field of washing, and particularly discloses sulfur tea tree essential oil silicone oil-free shampoo. The shampoo comprises the following raw materials: water; fatty alcohol polyoxyethylene ether sodium sulfate; coconut oil monoethanolamide; hydroxypropyl guar gum hydroxypropyl trimethyl ammonium chloride; disodium EDTA (Ethylene Diamine Tetraacetic Acid); cocamidopropyl betaine is added; an alkyl glycoside; sodium lauroyl sarcosine; allantoin; pPG-3 (Polypropylene Glycol) octyl ether; a polyquaternary ammonium salt-52; colloidal sulfur; d-panthenol; 10 parts of polyquaternium-10; a pearling agent; maltotetraose; tea tree essential oil; a preservative; a colorant; daily-use essence; and citric acid monohydrate. The preparation method comprises the following steps: sequentially adding the raw materials, dispersing and dissolving, adjusting the pH value, filtering and discharging. The shampoo disclosed by the invention can keep water-oil balance of scalp and reduce the problems of hair damage and dryness at the same time.
Owner:ZHEJIANG DACHENG TECH CO LTD

Battery repairing liquid and repairing and filling equipment thereof

The invention discloses a battery repair liquid and repair filling equipment thereof, and the battery repair liquid comprises deionized water, and further comprises a vulcanization supplement and an electrolyte supplement according to repair type requirements; the vulcanizing supplement further comprises a chelating agent, a sodium sulfate solution, a corrosion inhibitor and a polyoxyethylene ether surfactant; the invention relates to the technical field of battery repair, through deep cooperation of a targeted repair liquid formula and intelligent equipment, the core damage problems of lead-acid battery vulcanization, electrolyte degradation and the like are solved, a modular storage tank, a dynamic mixing system and a multi-mode activation technology are innovatively integrated, the repair efficiency is greatly improved, the equipment adopts a portable design, and the cost is low. And rapid deployment and multi-scene application are supported, a vulcanization / electrolysis double-repair mode can be accurately matched in cooperation with an intelligent diagnosis system, a single machine can complete a complex repair process needing cooperation of multiple sets of equipment in a traditional process, and the repair efficiency is improved.
Owner:苏州齐发电池科技有限公司

Culture medium composition and application thereof in fermentation of PDRN recombinant escherichia coli

The invention belongs to the technical field of microbial culture, and particularly relates to a culture medium composition and application thereof in PDRN recombinant escherichia coli fermentation. The culture medium composition comprises a fermentation culture medium and a fed-batch culture medium, the fermentation culture medium consists of disodium hydrogen phosphate, monopotassium phosphate, ammonium sulfate, magnesium chloride, calcium nitrate tetrahydrate, glycerol and water; the supplemented culture medium is composed of dipotassium phosphate, sodium dihydrogen phosphate, sodium sulfate, ammonium sulfate, ammonium chloride, diammonium hydrogen citrate, glycerin and water, and the metabolic requirements of PDRN recombinant escherichia coli are accurately matched. Meanwhile, the invention provides a fermentation method using the composition, and the problems of unbalanced nutrition, low fermentation efficiency and the like of an existing culture medium are solved. Stable proliferation of thalli can be remarkably promoted, the yield of PDRN products is increased, the culture medium is easy and convenient to prepare, fermentation conditions are easy to control, and the culture medium is suitable for industrial large-scale production and has important application value.
Owner:瑞吉明(山东)生物科技有限公司