78results about How to "Suitable for the needs of industrial production" patented technology

The invention discloses a polymer solid-state electrolyte material and a preparation method therefor. The polymer solid-state electrolyte material is an organic-inorganic hybridized and crosslinked polymer solid-state electrolyte material which is prepared by performing ultraviolet light irradiation and crosslinking on reaction raw materials, wherein the reaction raw materials comprise silicon dioxide nanoparticles grafted with sulfydryl on the surface and double-band end-capped polyethylene glycol at the mass ratio of 1/2 to 1/20; and in addition, the content of sulfydryl component in the silicon dioxide nanoparticles grafted with sulfydryl on the surface is 1-50wt.%. By means of improvement of the whole technological process, the reaction conditions in each step and the like in the key preparation process, the organic-inorganic hybridized and crosslinked polymer solid-state electrolyte material is correspondingly formed; and compared with the prior art, the ionic electrical conductivity and mechanical performance of the composite electrolyte can be improved at the same time.

The invention discloses a polyhedral oligomeric silsesquioxane-polyethylene glycol polymer solid electrolyte material and a preparation method thereof. The preparation method comprises the following steps: dissolving trimethoxy silane and concentrated hydrochloric acid in an organic solvent with polarity of 5-7, conducting stirring and polymerizing at a controlled temperature to obtain polyhedraloligomeric silsesquioxane with a surface grafted with sulfydryl, further conducting process to obtain pure polyhedral oligomeric silsesquioxane with a surface grafted with sulfydryl, blending the purepolyhedral oligomeric silsesquioxane with a surface grafted with sulfydryl and polyethylene glycol with a single-side double-bond end-capped, adding a photoinitiator and lithium salt into the blend,and performing cross-linking polymerization by ultraviolet irradiation to obtain the polymer solid electrolyte material. According to the invention, the whole process flow of the key preparation process, the reaction conditions of each step and the like are optimized to form an organic block polymer solid electrolyte material; compared with the prior art, the ionic conductivity and the mechanicalproperty of the electrolyte material are improved; the preparation process is simple and easy to implement; and no pollution is generated by ultraviolet polymerization.

The invention discloses a low temperature alkaline pectinase mutant with the improved specific activity and thermal stability. The mutant has an amino acid sequence shown in SEQ ID NO.1, or an amino acid sequence with low temperature alkaline pectin lyase activity obtained by deletion, replacement, insertion or/and addition of conserved mutations of one to several amino acids on the basis of the amino acid sequence shown in SEQ ID NO.1. The mutant can greatly improve the specific activity and thermal stability, and is more suitable for industrial production in the fields such as textile degumming and washing and meets the needs of social production.

The invention relates to a pea seedling cultivation method. The pea seedling cultivation method includes the particular steps that fresh green peas yielded in the current year or stored for a year are selected and soaked, before being sown, the selected seeds are soaked in hot water at the temperature of 50 DEG C-55 DEG C for 15 min under the condition of continuous stirring, when the water temperature falls to 25 DEG C, 500-fold liquid organic fertilizer is added into the water, and the seeds continue to be soaked for 5-6 h; the seeds are fished out, wrapped by wet cloth and germinated at the temperature of 20 DEG C-25 DEG C; sowing can be implemented when about 70% of the seeds bud; plastic seedling trays for cultivation or iron tray formed by welding tinplate are selected, during the cultivation stage, the indoor air humidity should be kept at about 80-85%, the temperature should be kept at 15 DEG C-20 DEG C, and therefore seedlings normally grow and develop easily. The cultivation method is summed up by agro-technicians through multiple practices, and is environmentally-friendly, free from pollution, low in cost, and suitable for requirement of industrial production, and the yield is higher than that of a common method by 2-3 times.

The invention relates to the field of biotechnology, in particular to a cell culture medium for improving antibody purity and a cultivation method, discloses a self-made feeding culture medium, and the culture medium contains 90mM to 500mM cysteine, and further provides a cell cultivation method. The cell cultivation method comprises the following steps: mammalian cells containing encoded antibody nucleic acid are inoculated into a basal culture medium; after the cells enter into a cellular proliferative stage, the self-made feeding culture medium is added; and cell density is monitored and incubation time is adjusted. By controlling the concentration of the cysteine in the self-made feeding culture medium, the adding moment and the adding quantity, the antibody purity can be improved remarkably, while the antibody purity is improved, the antibody expression quantity and normal glycosylation level can be maintained, and the antibody efficacy is ensured.

The invention belongs to the technical field of medicines and relates to a preparation method of paliperidone palmitate. The method disclosed by the invention comprises the step of precipitating paliperidone palmitate in a mixed solvent of dichloromethane and n-heptane. Paliperidone palmitate particles obtained by the invention are small in particle sizes, flaky, easy to homogenize and grind, andshort in grinding time, have little damage to instruments and equipments, and are short in crystallization time, high in yield and free of solvent residues and particularly suitable for needs of industrial production.

The invention discloses water-borne acrylic primer and a preparation method thereof. The water-borne acrylic primer comprises, by weight, the following components of 25-35 parts of modified acrylic resin, 15-25 parts of amino resin, 2-8 parts of titanium dioxide, 3-9 parts of 2-methyl-1,3-propanediol, 5-15 parts of filler, 2-7 parts of a pH regulator, 4-12 parts of a defoaming agent, 4-10 parts of a dispersing agent and 20-30 parts of deionized water. The prepared water-borne acrylic primer can effectively prevent finishing coat from being eroded by wall body soluble substances, and the quality of the finishing coat is improved. No organic solvent is contained, no solvent evaporates during solidification, and the anti yellowing effect and the weather resistance are good. The preparation method of the water-borne acrylic primer has the advantages that the technology is simple, no special post-processing is needed, the cost is low, and the preparation method of the water-borne acrylic primer is suitable for requirements of industrial production.

The invention discloses ultraviolet-curable polysiloxane and a preparation method and application thereof. According to the ultraviolet-curable polysiloxane, Si-O-Si is taken as a main chain, and a branched chain contains an aromatic group, a photocuring group and a symmetrical episulfide group modified organosilicon material. The ultraviolet-curable polysiloxane disclosed by the invention not only has high refractive index and light transmittance, does not have pungent smell and has good compatibility with organosilicon polymers, but also has good elongation at break, excellent storage stability and mechanical properties. Meanwhile, the polysiloxane has a photoactive group, and can further react to obtain a polysiloxane material with high refractive index and mechanical property, the luminous efficiency of the polysiloxane material is improved, a heat packaging process commonly applied at present is changed, the industrial efficiency is improved, and the ultraviolet-curable polysiloxane can be widely applied to the fields of flexible optical fibers, optical lenses, optical coatings, flexible display screens and the like with high requirements on optical materials.

The invention discloses a preparation method of high-solubility aflatoxins-removed rice bran protein. The preparation method comprises the following steps of degreasing aflatoxins polluted rice bran as a raw material, crushing the degreased aflatoxins polluted rice bran, screening the crushed aflatoxins polluted rice bran, mixing the screened aflatoxins polluted rice bran with a weak alkali solution, regulating pH to be 8.0-9.0, and performing stirring and mixing for 30-60 minutes so as to obtain a mixed solution; performing jetting and cooking treatment on the obtained mixed solution, then regulating pH to be 6.00, adding excess alpha-amylase and cellulase, performing hydrolysis at 40-60 DEG C to remove impurities including starch, fibers and the like, and performing centrifugal residual removal so as to obtain supernatant; and performing acid precipitation on the supernatant to produce white protein precipitate, performing enzyme deactivation, performing centrifugation, collecting protein precipitate, performing washing with water, and performing drying so as to obtain the rice bran protein. Through the adoption of the method disclosed by the invention, aflatoxins B1 in rice bran can be efficiently removed, the denaturation effect of strong basicity to protein and the bringing of a great quantity of sodium salt ions can be effectively avoided, the high-solubility aflatoxins-removed rice bran protein is mild and free from irritants, the utilization rate of the rice bran protein is high, and the prepared rice bran protein can be applied to clinical nutrients, weight-reducing health-care products, beverage making products and food auxiliary materials.

The invention relates to an aquo-chromium-free surface treatment liquid for a galvanized steel plate. The treatment liquid is characterized by comprising A) ethanolamine titanate, B) a mixed silane coupling agent, C) Zr<2+>, Ce<3+>, Mo<6+>, divalent or high-valence metal ions and D) deionized water. A usage method of the surface treatment liquid is as below: roller coating, dip coating, spraying coating or scraping coating is employed to fully immerse the treatment liquid with the galvanized plate; and the galvanized plate is cured at 60-80 DEG C for 10-20 S by a drying device.

The invention discloses a distilled system for liquor distillation. The system includes a distilling barrel and a condensing device. The condensing device comprises a condensing pool; at least one condenser is uniformly arranged in the condensing pool in ring shape; the distilling barrel corresponding to each condenser is arranged outside the condensing pool; a steam pipe is connected between the distilling barrel and the corresponding condenser; and the bottom of the condensing pool is provided with a water inlet, and the top of the condensing pool is provided with a water outlet. The distilling barrel comprises a bottom pot, a barrel body and a distilling cover. The distilling cover is provided with an apron plate with outer diameter smaller than the inner diameter of the barrel body and to prevent condensate liquid from entering a water seal structure. The condenser comprises a steam buffer chamber and a condensate liquid collecting chamber; a condensing unit is arranged between the steam buffer chamber and the condensate liquid collecting chamber; the condensing unit includes a spiral condenser pipe; the spiral condenser pipe comprises two straight condenser pipes; a spiral condenser pipe is connected between the two straight condenser pipes; a condensing medium pipe sheaths outside the spiral condenser pipe; and the condensing medium pipe and straight condenser pipes are correspondingly provided with condensing medium straight pipes, and the condensing medium pipe and the spiral condenser pipe are correspondingly provided with a spiral medium pipe.

The invention discloses a boiler capable of preventing biomass coking. The boiler comprises an air distribution chamber, a chain grate stoker, a steam conveying pipe, a steam manifold, a reducing valve, a pressure gage and steam outlet holes; the air distribution chamber is arranged below the chain grate stoker, and the steam conveying pipe is arranged at the position, above an air distribution bend, of the air distribution chamber, and is fixed to an inclined lateral wallboard of the air distribution chamber through a support; the steam conveying pipe is connected with the steam manifold through the reducing valve; the pressure gage is further installed at the position, in front of the air distribution chamber, of the steam conveying pipe and is located at the front end of the reducing valve; and the steam outlet holes are arranged at the positions, located inside the air distribution chamber, on the steam conveying pipe and face a main burning area of the chain grate stoker, and steam can rapidly reach portions needing to be cooled. The boiler capable of preventing biomass coking includes two steps of feeding burning and steam leading in. According to the method, the air distribution chamber is combined with steam conveying, the structure is compact, using is simple and convenient, biomass burning coking is effectively prevented, the burn-off rate is improved, the cost is reduced, and the method is suitable for industrial production.

The invention discloses a preparation process of a compound preparation of amino oligosaccharin and bacillus. The process comprises the following steps of obtaining a solid fermentation product by adopting a method of mixed fermentation of bacillus cereus and bacillus licheniformis, mixing the solid fermentation product uniformly with amino oligosaccharin as a plant growth regulator, humic acid and polyglutamic acid, in a certain ratio, and then drying by centrifugal atomization to obtain the compound preparation of the bacillus and the amino oligosaccharide. After applied to crops, the microbial agent not only can play a role in preventing and treating diseases to improve the stress resistance of the crops, but also can have a regulating effect on the growth of plants to greatly increasethe yield of the crops. The production process is simple, the equipment investment is small, and no residual pollution exists, so that the process has a relatively high application value.