1062 results about "Dodecyl sulfate" patented technology

The present invention provides the method for the separation of at least more than two Low molecular weight (LMWs) impurities present in the protein mixture comprising fusion protein CTL4-IgG1 by using Capillary Electrophoresis-Sodium dodecyl sulfate (CE-SDS) wherein the loading amount of protein mixture is more than 270 μg. The invention further provides a ratio of protein to sodium dodecyl sulfate is 2.7:1 or higher.

The invention belongs to the technical field of ceramics, and discloses a preparation method of fracture-resistant and wear-resistant ceramics. The preparation method comprises the following steps: weighing the raw materials in parts by weight; the preparation method comprises the following steps: mixing 40 parts of potassium feldspar, 10 to 25 parts of albite, 1 to 10 parts of kaolin, 1 to 10 parts of serpentine, 5 to 25 parts of dolomite, 2 to 9 parts of nano zirconium oxide, 0.1 to 1 part of nano cerium oxide, 0.1 to 1 part of nano molybdenum disulfide, 0.1 to 0.8 part of silicon carbide fiber, 0.5 to 2.5 parts of polyethylene glycol, 0.1 to 0.6 part of fullerene trifluoromethyl derivative, 0.1 to 3 parts of sodium dodecyl sulfate, 0.1 to 2 parts of sodium tripolyphosphate and 10 to 60 parts of solvent to obtain slurry; and carrying out spray granulation to obtain a blank, carrying out compression molding to obtain a green body, and sintering to obtain the fracture-resistant and wear-resistant ceramic. The breaking strength of the breaking-resistant and wear-resistant ceramic can exceed 70 MPa, and the length of a grinding pit does not exceed 8.5 mm.

The invention belongs to the technical field of sewage treatment, and particularly relates to a demulsifier for eliminating an oil-water interface emulsion layer in oilfield produced liquid treatment and a preparation method of the demulsifier. The preparation method comprises the following steps: adding acrylamide, 1-allyl-3-methylimidazolium bis (trifluoromethanesulfonyl) imine salt, allyl tributyl phosphonium chloride and deionized water into a first reactor, and heating and dissolving the acrylamide, the 1-allyl-3-methylimidazolium bis (trifluoromethanesulfonyl) imine salt, the allyl tributyl phosphonium chloride and the deionized water; adding allyl (diisopropylamino) dimethylsilane, butyl acrylate, deionized water, octylphenol polyoxyethylene ether-10, lauryl sodium sulfate and monopotassium phosphate into the second reactor, and stirring to obtain an emulsion; adding an initiator and sodium hydrogen sulfite into a second reactor, carrying out heating and heat preservation reaction, pouring the mixed solution in the first reactor, and continuously carrying out reaction, heating and heat preservation to obtain a viscous liquid; and drying and granulating the viscous liquid to obtain the demulsifier. The demulsifier provided by the invention has the characteristics of simple synthesis process and high demulsification rate.

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.

The invention discloses a biomass photo-thermal interface evaporation material based on a nano TiO2-CNT photocatalytic thermal insulation layer, a preparation method of the biomass photo-thermal interface evaporation material and application of the biomass photo-thermal interface evaporation material in solar-driven interface evaporation, photo-thermal seawater desalination and sewage treatment. The preparation method comprises the following steps: S1, pulp pretreatment: softening pulp and removing saccharides and impurities; s2, preparing a carbonization layer; s3, a photocatalytic heat insulation coating is coated; S3.1, a photocatalytic heat insulation coating solution is prepared, wherein nanometer titania, carbon nanotubes, polyvinyl alcohol and lauryl sodium sulfate are taken and added into water, and a photocatalytic heat insulation layer solution is obtained; s3.2, a photocatalytic heat insulation coating is coated; and S4, pyrrole coating: uniformly coating the carbonized layer of the cactus pulp block with pyrrole, then uniformly coating the carbonized layer coated with pyrrole with the oxidant aqueous solution, and carrying out full polymerization reaction to obtain the biomass photo-thermal interface evaporation material Ppy / CTPS cactus.

The invention relates to a method for extracting high-purity astragalus polysaccharide. The method comprises the following specific steps: washing astragalus, drying and crushing into coarse powder; under a certain solid-liquid ratio, extracting astragalus polysaccharide by using ultrasonic waves; carrying out mixed enzymolysis on the extracting solution and cellulase, and terminating enzyme reaction through heating; and mixing the enzymatic hydrolysate with specific molecularly imprinted polymers (MIPs), specifically adsorbing the astragalus polysaccharide through a molecular recognition effect, and eluting and purifying by using a mixed solution of water and ethanol. In the preparation process of the MIPs, oligosaccharide fragments of astragalus polysaccharide, acrylamide, ethylene glycol dimethacrylate, potassium persulfate and lauryl sodium sulfate are dissolved in methanol, and free radical polymerization reaction is carried out under the protection of nitrogen. Experimental results show that the purity and the extraction rate of the astragalus polysaccharide extracted by the method are remarkably improved, and the method has the advantages of simplicity and convenience in operation, high efficiency, economy, environmental protection and the like.

The invention relates to the technical field of expansive soil treatment, and particularly discloses an expansive soil rapid hardening material as well as a preparation method and application thereof. The invention discloses an expansive type rapid hardening material for soil. The expansive type rapid hardening material is prepared from the following components: high belite sulphoaluminate cement clinker, ordinary Portland cement, gypsum, solid waste high-activity superfine powder, a nano crystal nucleus induction activating agent, a nano modified complexing agent and a modified early strength agent, the nano crystal nucleus induction activating agent is prepared from nano Al2O3, sodium dodecyl benzene sulfonate, NaOH and Na2SiO3; the nano modified complexing agent is prepared from nano SiO2, lauryl sodium sulfate and silane; the modified early strength agent is prepared from modified graphene oxide, Na2SiO3 and water. According to the technical scheme, the solid waste can be recycled, the expansive soil treated by the hardening material can achieve the effects of high hour strength and good water stability, and the curing speed and the production efficiency are greatly improved.

The invention relates to a rapid detection kit for large yellow croaker pyramidal worm, and belongs to the field of pathogen biological diagnosis in aquaculture. The kit comprises a nucleic acid releasing agent and further comprises a primer and a probe which are used for detecting the large yellow croaker pyramidal worm. The kit comprises a nucleic acid releaser; the formula of the nucleic acid releasing agent comprises tris (hydroxymethyl) aminomethane hydrochloride with the final concentration of 100 mM, sodium chloride with the final concentration of 100 mM, sodium dodecyl sulfate with the final concentration of 1 wt%, sodium alpha-olefin sulfonate with the final concentration of 3 wt%, sodium lauroyl glutamate with the final concentration of 1.2 wt%, betaine with the final concentration of 1 wt% and water as a solvent. The sequences of the primer and the probe for detecting the Pseudosciaena crocea pyramidal are 5 '-TATGGGCAATTCTGAATCCT-3', 5 '-TCTTTTCTGATCCCTGAAT-3' and 5 '-FAM-GTCGGTGGAGTGATTTGTTTG-3'. The kit disclosed by the invention is simple to operate, provides a tool for diagnosis, prevalence monitoring, prevention and control of the Pseudosciaena crocea pyramidal, and has a very high application value.

The invention discloses a fluidized collision type bioelectric reaction device suitable for high-carbon sewage treatment. The device comprises a reactor body, a capacitive electroactive biofilm carrier, an anode plate and a cathode plate. The reactor body is a cylinder, the bottom of the reactor body is provided with a water impeller, and the areas are separated by grids; the capacitive electroactive biofilm carrier is a sphere formed by stacking round sheets and is made of polyethylene plated with an ITO (Indium Tin Oxide) film, and stainless steel spikes are arranged on the surface of the capacitive electroactive biofilm carrier; the cathode plate is made of graphite and is cylindrical; the anode plate is made of stainless steel compounded by lauryl sodium sulfate and graphene-multi-walled carbon nanotubes and is cylindrical, the plate wall is hollow, and the anode and the cathode are connected through a circuit. Electron transfer is completed through flowing and collision of the capacitive electroactive biofilm carrier, the mass transfer efficiency and activity of the electroactive biofilm are enhanced, the high-carbon wastewater treatment capacity is improved, and meanwhile the device has the advantages of being high in impact load resistance and low in site area requirement.

The invention relates to the technical field of steel-cored aluminum stranded wires, and provides an overhead high-conductivity steel-cored aluminum stranded wire which comprises a galvanized steel core and aluminum wires stranded on the surface of the galvanized steel core, the galvanized steel core is formed by stranding 19 steel wires, and the aluminum wires are divided into two layers and stranded on the outer side of the galvanized steel core; the preparation method of the galvanized steel core comprises the following steps that after being galvanized, a steel wire is added into a passivation solution to be passivated, and the galvanized steel core is obtained after drying and twisting; the passivation solution is prepared from the following raw material components: waterborne acrylic resin, nickel nitrate, sodium carboxymethyl cellulose, sodium dodecyl sulfate, functionalized single-walled carbon nanotubes and water; the functionalized single-walled carbon nanotube is prepared from the following raw materials: a single-walled carbon nanotube and 5-carboxyl-2, 3-diaminopyridine. According to the technical scheme, the problem that the corrosion resistance of the manufactured overhead steel-cored aluminum stranded wire is poor due to the fact that the corrosion resistance of a galvanized steel core is poor in the prior art is solved.

The invention relates to the technical field of water treatment, and particularly discloses a seawater desalination reverse osmosis membrane and a preparation method thereof. The sea water desalination reverse osmosis membrane comprises a base membrane layer and a separation layer, the base membrane layer comprises a base layer and a porous support layer, and the sea water desalination reverse osmosis membrane is characterized in that the separation layer comprises the following raw materials in parts by weight: 15-20 parts of bis-2-6-N, N-dimethyl formamide, 1-5 parts of sodium hydroxide and 1-5 parts of sodium hydroxide; the environment-friendly anti-corrosion coating is prepared from the following components in parts by weight: 20 to 30 parts of N, N-(2-ethoxyl) diaminotoluene, 10 to 15 parts of triethylamine, 20 to 30 parts of camphorsulfonic acid, 10 to 15 parts of trifluoroacetic anhydride, 0.5 to 1.5 parts of sodium dodecyl sulfate, 10.5 to 20.5 parts of modified microcapsules, 0.5 to 1.5 parts of trimesoyl chloride and 150 to 180 parts of isoparaffin solvent. The reverse osmosis membrane for seawater desalination can be used in the field of seawater desalination, and has the advantages of high chemical stability, large water flux and excellent durability.

The invention discloses an HPVC power cable protection pipe and a preparation method thereof, and relates to the technical field of cable protection pipes. The HPVC power cable protection tube is at least prepared from the following raw materials in parts by weight: 100 parts of high-strength polyvinyl chloride, 35 to 45 parts of epoxy acrylate rubber, 5 to 8 parts of vinyl chloride-g-acrylate copolymer, 8 to 12 parts of epoxidized soybean oil, 3 to 5 parts of calcium-zinc composite stabilizer, 5 to 15 parts of modified hydrotalcite, 0.1 to 0.5 part of beta-diketone, 0.8 to 1.5 parts of calcium stearate and 10 to 20 parts of flame retardant. 12 to 15 parts of modified nano calcium carbonate, 5 to 8 parts of talcum powder, 0.6 to 1.2 parts of antioxidant, 1 to 2 parts of anti-aging agent 4010 and 0.5 to 1.5 parts of ultraviolet light absorber UV531; the modified hydrotalcite is obtained by adding a mixed solution of calcium nitrate and lanthanum nitrate, a sodium hydroxide solution and a sodium bicarbonate solution into a lauryl sodium sulfate solution, mixing and aging, and then carrying out a post-treatment process. The HPVC power cable protection tube prepared by the invention has relatively high strength, good mechanical properties, weather resistance and cold resistance, and long service life.

The invention relates to the field of emulsions for grainy paper coatings, and discloses a preparation method of a water-based environment-friendly emulsion for a grainy paper coating. The preparation method comprises the following steps: S1, preparing an acrylic carbamate modified monomer from hydroxyethyl acrylate, 2, 4-toluene diisocyanate and diethanol amine; and S2, preparing to obtain the emulsion. S3, obtaining the initiator. S4, deionized water, lauryl sodium sulfate, the emulsion and an initiator are subjected to a polymerization reaction, and an emulsion A is obtained. S5, transferring the emulsion A into a degassing kettle, adding tert-butyl hydroperoxide and vitamin C, and performing oxidation-reduction reaction to obtain emulsion B; and S6, carrying out steam degassing on the emulsion B to obtain the water-based environment-friendly emulsion. The water-based environment-friendly emulsion which is good in stability, glossiness, adhesion fastness, water resistance and weather resistance and low in volatile organic compound content can be prepared, and the preparation method is simple, efficient and environmentally friendly and has wide application prospects and market value.

The invention belongs to the technical field of biology, and particularly relates to application of a QTL (Quantitative Trait Loci) Qsdss.saas.6A to identification of a wheat SDS (Sodium Dodecyl Sulfate) sedimentation value genotype and an identification kit. The QTL locus Qsdss.saas.6A is located on a short arm of a wheat 6A chromosome, the genetic interval is 28.14 cM to 48.75 cM, and corresponding molecular markers on the two sides of the QTL locus Qsdss.saas.6A are AX-110002278 and AX-111581648. Meanwhile, the invention also provides a KASP primer group, the detection kit prepared from the KASP primer group is applied to detection of the SDS sedimentation value of wheat grains, wheat strains with high SDS sedimentation value can be rapidly screened, and the breeding efficiency is greatly improved; the identification method provided by the invention is simple in steps, reliable and practical, has an important application value in wheat breeding, and has a wide application prospect.

The invention discloses a method for preparing a silicon-carbon composite negative electrode material through an electrostatic self-assembly technology, and belongs to the technical field of lithium ion battery negative electrode materials. According to the invention, lignin is used as a biomass carbon source and lauryl sodium sulfate (SDS) and poly (diallyldimethylammonium chloride) (PDDA) are used as activators through a simple electrostatic self-assembly technology; a proper amount of nano silicon and PDDA are subjected to in-situ adsorption, and lignin and SDS are subjected to in-situ adsorption; a self-assembly process is carried out through the positive and negative charge attraction effect among colloidal particles, so that effective compounding of the nano silicon particles and the biomass carbon is realized; and performing vacuum drying, and performing one-stage sintering in a tubular furnace to obtain the silicon-carbon composite negative electrode material. Based on the problems of non-uniform particle size, easy agglomeration and great abrasion of a silicon-carbon composite material in a traditional mechanical synthesis technology, the invention improves the compounding efficiency of the silicon-carbon material and improves the problems of volume expansion of a silicon negative electrode, slow migration rate of lithium ions, poor cycle performance and the like.

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.

The invention relates to an additive for improving drying shrinkage of alkali slag cement mortar as well as a preparation method and a use method of the additive, and belongs to the technical field of building materials. The admixture comprises the following components in parts by mass: 40-60 parts of lauryl sodium sulfate, 10-20 parts of modified magnesium oxide, 30-50 parts of slag, 2-6 parts of stearic acid and 0.1-0.5 part of a polyether modified organic silicon defoaming agent. Through the synergistic effect of all the components, the internal pore structure of the alkali slag cement mortar can be remarkably improved, and the surface tension of a pore solution can be reduced, so that the dry shrinkage performance of the alkali slag cement mortar is improved, meanwhile, the negative influence on the mechanical property of the alkali slag cement mortar is avoided, and excellent volume stability and durability are provided for the alkali slag cement mortar. The synthesis method is simple, raw materials are easily available, and the method is suitable for industrial production.

The invention discloses a vacuum diffusion bonding method for a nickel-based superalloy and MoNbTaW series refractory alloy, and aims to solve the problem that the quality of a welding joint is affected due to the fact that the welding joint of the nickel-based superalloy and the MoNbTaW series refractory alloy can generate a Cr-rich brittle phase. The vacuum diffusion method comprises the following steps: 1, polishing the nickel-based high-temperature alloy and the MoNbTaW series refractory alloy; secondly, nickel sulfate, nickel chloride, nickel borate, sulfuric acid, lauryl sodium sulfate and water are mixed, an electroplating solution is obtained, the nickel-based superalloy is electroplated, an electroplated nickel grain layer is obtained, and the MoNbTaW series refractory alloy and the nickel-based superalloy are jointed; thirdly, the to-be-welded part is placed in a vacuum diffusion furnace; and 4, performing vacuum diffusion bonding. According to the method, the electronickelling grain layer is used, connection is conducted at the relatively low temperature and the relatively low pressure, only interdiffusion of the electronickelling grain layer and refractory alloy in a small range exists on a connector interface, a Cr-rich brittle phase is not generated, and cracks are prevented from being generated in the connector.

The invention belongs to the technical field of veterinary medicine preparation, and particularly relates to a preparation method of a scutellaria baicalensis stem and leaf extract preparation. The preparation method of the scutellaria baicalensis stem and leaf extract preparation comprises the following steps: performing alcohol extraction on scutellaria baicalensis stems and leaves to obtain an alcohol extract; and uniformly mixing the alcohol extract and the lauryl sodium sulfate / polyethylene glycol-6000 mixture to obtain the scutellaria baicalensis stem and leaf extract preparation. According to the preparation method, lauryl sodium sulfate and polyethylene glycol-6000 are jointly added into a scutellaria baicalensis stem and leaf extract obtained through an alcohol extraction method, and the scutellaria baicalensis stem and leaf extract preparation is prepared from the scutellaria baicalensis stem and leaf extract. Due to the solubilizing characteristic of the lauryl sodium sulfate and the polyethylene glycol-6000, the lauryl sodium sulfate and the polyethylene glycol-6000 are dissolved in water and then gather in water to form micelles, the scutellaria baicalensis stem and leaf extract which is insoluble in water can be wrapped in a micelle core through the method, and the solubility of the scutellaria baicalensis stem and leaf extract is further improved.

The invention relates to the technical field of high-wear-resistance alloys, and particularly discloses a preparation method of a high-wear-resistance alloy steel lining plate. The preparation method comprises the following steps that S1, an alloy steel lining plate is placed in a plating solution to be electroplated, and an alloy steel lining plate A with a plating layer A on the surface is obtained; the plating solution comprises the following raw materials: 45-60 g / L of sodium citrate dehydrate, 30-35 g / L of boric acid, 5-8 g / L of ammonium chloride, 80-100 g / L of nickel aminosulfonate, 180-200 g / L of iron aminosulfonate, 0.5-0.8 g / L of lauryl sodium sulfate, 2-5 g / L of modified boron nitride and the balance of deionized water. S2, an alloy steel lining plate A is taken, the surface of the alloy steel lining plate A is plated with a transition metal boride layer through arc ion plating, the transition metal boride layer serves as a plating layer B, and an alloy steel lining plate B is obtained; and S3, the alloy steel lining plate B is taken, boronizing is conducted after annealing, and the high-wear-resistance alloy steel lining plate is obtained.

The present invention relates to the field of biomedical materials, and in particular to a method for preparing a decellularized cartilage matrix material derived from pig rib cartilage, comprising the following steps: (1) freezing and thawing the pig rib cartilage for 5 times; (2) soaking the pig rib cartilage frozen and thawed in step (1) in a sodium borohydride solution; (3) soaking the pig rib cartilage treated with sodium borohydride in step (2) in a sodium dodecyl sulfate solution; and (4) enzymolyzing the pig rib cartilage obtained in step (3) with a mixed solution of DNase and RNase. The present invention is suitable for decellularization of cartilage tissue with a thickness of 300 microns, and utilizes the spontaneous generation of hydrogen by the sodium borohydride solution to effectively expand the cartilage tissue, and then the surfactant SDS fully destroys the cell membrane, effectively removes the genetic material, and retains the effective components or extracellular matrix of the natural cartilage to the greatest extent.

The invention discloses a modified multi-walled carbon nanotube, a preparation method thereof and a conductive polypropylene composite material containing the modified multi-walled carbon nanotube, and the preparation method of the modified multi-walled carbon nanotube comprises the following steps: S1, taking lauryl sodium sulfate, adding the lauryl sodium sulfate into water, and fully dissolving to prepare a lauryl sodium sulfate solution with the concentration of 3-5mmol / L; s2, adding a multi-walled carbon nanotube into the solution, and stirring for 5-6 hours; s3, adding a pyrrole monomer into the mixed solution in the step S2, and stirring for 1-3 hours; and then adding an initiator ammonium persulfate into the solution, and carrying out stirring reaction at 20-30 DEG C for 4-6 hours to prepare the polypyrrole-coated multi-walled carbon nanotube. The prepared modified multi-walled carbon nanotube has an excellent coating effect, and the dispersing performance and the conductivity of the modified multi-walled carbon nanotube in a polypropylene material can be improved, so that the conductive polypropylene composite material is endowed with a stable and excellent conductive effect under the condition that the addition amount is reduced, and the modified multi-walled carbon nanotube has practical application significance.

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.

The invention discloses a composite treatment agent for sewage treatment and a preparation method thereof, and the composite treatment agent is prepared from the following raw materials in parts by weight: 50-60 parts of modified diatomite, 10-20 parts of zeolite powder, 10-20 parts of polyaluminum chloride, 10-20 parts of activated carbon, 5-10 parts of shell powder, 5-10 parts of polyacrylamide and 4-8 parts of lauryl sodium sulfate. According to the composite treatment, modified diatomite, zeolite powder, polyaluminum chloride, activated carbon, shell powder, polyacrylamide and lauryl sodium sulfate are compounded and mixed according to a specific proportion, so that the obtained composite treatment agent has good adsorbability and can quickly and efficiently adsorb heavy metal ions in sewage; meanwhile, organic pollutants in sewage can be complexed, and the method has a good application prospect.

The invention relates to the technical field of insecticides, in particular to an insecticide composition for solanaceous vegetables and a preparation method thereof.The insecticide composition is prepared from, by mass, 92-95 parts of composite emulsion, 3-5 parts of loaded particles and 0.5-1 part of synergist; the composite emulsion is prepared from sodium alginate, flurala sodium, guaiacol, solvent oil, alkyl glycoside and deionized water; the sodium alginate is obtained by mixing ultra-high molecular weight sodium alginate and low molecular weight sodium alginate in a mass ratio of 9: (1-1.5); the loaded particles are prepared from polysuccinimide, D-glutamic acid, fluralan, guaiacol and sodium dodecyl sulfate; the synergist is prepared from esterified starch, esterified chitosan, glycerol and 2-hydroxy-4 '-(2-hydroxyethoxy)-2-methyl propiophenone, and the synergist is prepared from the esterified starch, the esterified chitosan, the glycerol and the 2-hydroxy-4'-(2-hydroxyethoxy) Therefore, the pesticide composition disclosed by the invention has higher pesticide effect stability, longer lasting period and wider application prospect in areas with larger temperature difference in the morning and evening and dry environment.

The invention relates to the field of pharmaceutical preparations, in particular to water-free swallowing granules and a preparation method thereof. The water-free swallowing granules provided by the invention comprise drug-containing taste-masking granules and a taste-modifying material, and the drug-containing taste-masking granules are prepared from drug-containing pellets and the taste-masking material; the raw material of the drug-containing pellet comprises an adhesive, and the adhesive is selected from one or more of povidone, hydroxypropyl methylcellulose, methylcellulose, hydroxypropyl cellulose or starch slurry; the weight ratio of the drug-containing pellet to the taste masking material is (2-10): 1; the taste masking material comprises a coating component and an anti-sticking agent, wherein the coating component is selected from one or more of ethyl cellulose, cellulose acetate, cellulose acetate phthalate, cellulose acetate butyrate, hydroxypropyl methyl cellulose phthalate and carboxymethyl ethyl cellulose; the anti-sticking agent is selected from one or two of lauryl sodium sulfate and talcum powder, and the obtained water-free swallowing granules are easy to swallow and good in stability.

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.

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.

The invention belongs to the technical field of self-repairing materials, and particularly relates to a double-microcapsule self-repairing waterborne polyurethane material and a preparation method thereof. Comprising the following steps: ultrasonically dispersing cellulose nanocrystals in deionized water to form a water phase, adding drying oil and lauryl sodium sulfate, and stirring to obtain the drying oil microcapsule taking Pickering emulsion as a template. Preparing a polyvinylpyrrolidone aqueous solution, a non-polar solvent solution of thiophene monomers and an ammonium persulfate aqueous solution; and mixing and ultrasonically dispersing the two, mixing with an ammonium persulfate aqueous solution, stirring and polymerizing to obtain a polythiophene microcapsule suspension after the reaction is completed, centrifuging until the supernatant is colorless, and washing and drying the solid to obtain the polythiophene microcapsule. And finally, adding the two microcapsules into waterborne polyurethane, uniformly mixing, and drying at room temperature to form the double-microcapsule self-repairing waterborne polyurethane material. According to the invention, the self-repairing and mechanical property improvement of the double-microcapsule self-repairing waterborne polyurethane material under room-temperature natural light are realized.

The invention relates to an open-air coal yard dynamic dust raising inhibitor and a preparation method and a preparation device thereof, and the inhibitor comprises the following components in percentage by weight: 3-5% of pulverized coal, 5-10% of starch grafted acrylic polymer, 5-10% of lauryl sodium sulfate, 5-10% of acrylamide, 5-10% of modified starch and the balance of water. 1-2% of a starch grafted acrylic polymer; 0.03 to 0.05 percent of lauryl sodium sulfate, 0.1 to 0.5 percent of acrylamide and 1 to 2 percent of modified starch; sodium dodecyl sulfate is chemically pure, and the inhibitor has the following advantages that 1, the inhibitor has good wettability and permeability, and can rapidly permeate into coal, effectively fix dust on the surface of sandy soil, reduce wind erosion and form a hard consolidation layer, so that the purpose of controlling and improving the sand damage environment is achieved; 2, the inhibitor has flexible coagulation property, and the inhibitor can cover the surface of dust, so that fine dust particles are coagulated into larger particles; and 3, the dust remover has certain viscosity and can effectively adsorb dust particles and reduce flying of the dust particles. And 4, manufacturing and spraying of the inhibitor are automatically controlled by the inhibitor preparation device, and the efficiency is high.