45results about How to "The steps are simple and controllable" patented technology

The invention provides preparation and surface modification methods of a ferrous titanate/iron trioxide composite photoelectrode and relates to the field of materials. The preparation method of the composite photoelectrode includes the steps that FTO conducting glass is washed; the FTO conducting glass is placed in an inorganic salt water solution of titanium in the manner that the conducting face is downward, and the FTO conducting glass is soaked for 10-60 min at the temperature of 60-80 DEG C; the washed FTO conducting glass is heated for 10-30 min at the temperature of 150-200 DEG C; the heated FTO conducting glass is placed in a reaction still containing inorganic salt of iron and a mineralizer water solution, and the reaction still is heated for 2-5 h at the temperature of 60-100 DEG C; and the FTO conducting glass obtained after the reaction in the reaction still is taken out and washed, the washed FTO conducting glass is annealed for 1-3 h at the temperature of 500-600 DEG C and then annealed for 10-30 min at the temperature of 700-800 DEG C, and the nano ferrous titanate/iron trioxide composite photoelectrode is prepared. The preparation method of the composite photoelectrode is simple, experimental conditions are easy to control, and the prepared composite photoelectrode has high photoelectrocatalysis water decomposition performance.

The invention discloses a high dielectric microwave ceramic dielectric material and a preparation method thereof. The material has the following formula: (1-x) (Sm0.5Li0.5) TiO3-xCaTiO3, wherein x uses the mole fraction and satisfies the relation of 0.15<=x<=0.20; and the material is prepared from the main raw materials of CaCO3, Li2CO3, TiO2 and Sm2O3. The preparation method of the high dielectric microwave ceramic dielectric material is as below: adding the raw materials to a mill pot, conducting wet milling for 14-18 h, baking, sieving, calcining at 1090-1110 DEG C for 2-3 h, and carrying out a solid state reaction to synthesize a principal crystalline phase powder; cooling the principal crystalline phase powder, adding the principal crystalline phase powder into the mill pot, conducting wet milling again for 14-18 h, drying, sieving, and conducting compression molding at pressure of0.4 to 0.5 tons to obtain a cylindrical base substrate; placing the base substrate in a alumina square porcelain boat with a platinum foil pad, burning with cover at 1290-1300 DEG C for 2-3 h into a porcelain, so as to obtain the final product. The invention provides a high dielectric microwave ceramic dielectric material, which has high microwave dielectric constant epsilon r while ensuring a low resonant frequency temperature coefficient tau f.

The invention discloses a preparation method of a carbon aerogel material with superhigh specific surface area. The method comprises the following four steps: wet milling of biomass fiber, TEMPO-mediated oxidation of the biomass fiber after milling, preparation of oxidized biomass fiber aerogel, and pyrolysis carbonization. The prepared cellulose carbon aerogel has a special three-dimensional flake stacked structure. The invention provides huge application potential of using the product as the material of a catalyst, an adsorbent, an electrode capacitor, etc.

The invention relates to a human retinal pigment epithelial cell separation and cryopreservation method which includes the steps: firstly, cleaning and washing retinal pigment epithelial cells by nutrient solution; secondly, mixing Dispase II separase and DPBS buffer solution according to the ratio of 1:(40-50)w/v to prepare Dispase II separase solution; thirdly, mixing the Dispase II separase solution and Tryple select solution according to the volume ratio of 1:(2-3) to prepare digestive fluid for digestive separation; finally, performing cryopreservation after counting and centrifuging. The separation method is simple, the steps are easily controlled, the digestive fluid prepared by mixing the Dispase II separase solution with the Tryple select solution is used for performing digestive separation for the retinal pigment epithelial cells, adherence removing time of the retinal pigment epithelial cells can be shortened, cell integrity is kept, and cell injury is greatly reduced.

The present invention discloses a fishy smell removing agent for yellow croakers. The fishy smell removing agent is composed of the following raw materials in weight percentages: 22-50% of a yeast extract, 1-22% of a heartleaf houttuynia herb extract, 11-22% of a fresh ginger extract and 17-22% of edible salt. The fishy smell removing agent for the yellow croakers is prepare from the yeast extract, heartleaf houttuynia herb extract, fresh ginger extract and edible salt as the raw materials. These raw materials are natural and safe, free of chemical additives and combined in a specific ratio, enable the fishy smell removing agent for the yellow croakers to have a good fishy smell removing effect, can remove fishy smell of the yellow croakers and at the same time maintain the aroma of the yellow croakers and increase delicious taste and mellow feeling of fish fleshes. The fishy smell removing agent for the yellow croakers is mild in use conditions and can conduct the fishy smell removingtreatment at room temperature; fishy smell removing liquid and minced yellow croakers cannot be separated after the fishy smell removing treatment. Steps are simple and controllable, do not cause thenutrient loss in the minced yellow croakers, and can retain the delicious taste of the yellow croakers to the utmost extent.

The invention discloses the preparation and application of a flower-shaped molybdenum disulfide coated spherical sisal carbon electrode material. Flower-like molybdenum disulfide coated spherical sisal carbon (MoS2 <at> SSFC) is prepared by hydrothermal carbonization of spherical sisal carbon with molybdenum trioxide as molybdenum source, thioacetamide as sulfur source and urea as reducing agent.MoS2 <at> SSFC is used as negative electrode material for lithium ion battery. The concrete preparation steps include: (1) preparation of spherical sisal flax charcoal (SSFC); (2) composite molybdenumdisulfide, hydrothermal reaction; (3) carbonization. As that anode material of the lithium ion battery, the flower-shaped molybdenum disulfide coat spherical sisal carbon (MoS2 <at> SSFC) prepared bythe invention is cheap and easy to obtain, simple in experimental process and easy to control in condition, and has the advantages of good conductivity, good discharge specific capacity and the likebecause of its unique structure, which is conducive to Li + insertion and embedding.

The invention discloses a polypropylene sphere bubble material and a preparation method thereof, wherein the polypropylene sphere bubble material is prepared from the following raw materials by weight: 98.225% of polypropylene, 0.1-0.3% of a transparent nucleating agent, 0.1-0.3% of a rigidity increasing nucleating agent, 0.3-1% of an organic diffusing dispersant, 0.01-0.03% of a fluorescent whitening agent, 0.05% of N,N'-ethylenebis(stearamide), 0.05-0.4% of an antioxidant 1010, 0.1-0.3% of an antioxidant 168, 0.2-0.6% of an ultraviolet ray absorber Uv-531, and 0.03% of white expansion oil. According to the present invention, the polypropylene raw material and various auxiliary agents are mixed by using the high speed stirrer, and the obtained mixture is subjected to melt extrusion and granulation with the twin-screw granulation machine; the prepared polypropylene sphere bubble material has advantages of excellent mechanical property, high transparency and light stability; the method has advantages of short product molding cycle, rapid processing, production efficiency improving, and manufacturing cost reducing; and the obtained polypropylene sphere bubble material is specially applied in LED lampshades and other lamp tool members.

The invention belongs to the field of membrane preparation, and particularly relates to a method for preparing a composite membrane through interfacial polymerization. Themethod comprises the steps ofvertically fixing a support body in a reaction container with a liquid cavity, dividing the accommodating cavity of the reaction container into two parts by the support body, respectively adding a water phase and an organic phase into the two parts of the accommodating cavity, and standing; and after the two phases react and a polymer membrane layer is formed on the surface of the support body, ending the reaction to obtain the support body attached with the polymer membrane layer, namely the composite membrane; and solvents of the water phase and the organic phase being immiscible, and solutes in the water phase and the organic phase reacting with each other to form a polymer layer. The invention further relates to a reaction device adopting the method for preparing the composite membrane through interfacial polymerization. The reaction device comprises a container and a clamping mechanism, the clamping mechanism vertically fixes the supporting body in the container and divides the accommodating cavity of the container into a left part and a right part, and the two parts of accommodating cavity are respectively provided with a feeding port.

The invention discloses a cell model for stably expressing a 5-HT1B (serotonin) gene, and a constructing method thereof, and applications of the cell model in screening of active substances targeting5-HT1BR (serotonin receptor), particularly in screening of anti-depression drugs and anti-migraine drugs, wherein the cell model is mammalian cells capable of carrying and stably expressing the 5-HT1Bgene. The constructing method comprises: linking a 5-HT1B gene to an expression vector to construct recombinant plasmid, introducing the recombinant plasmid into mammalian cells, and carrying out screening culture to obtain the cell line capable of stably expressing the 5-HT1B gene, wherein the cell line can be used for screening the active substance targeting 5-HT1BR. According to the present invention, whether the to-be-screened substance is screened is judged by determining the yield or the activation degree of the response element after the to-be-screened substance is added to the cell model culture medium, such that the high-throughput, low-cost and accurate screening of the active substance targeting 5-HT1BR can be achieved, and the good stability and the good reliability can be achieved.

The invention discloses a medicine for treating scalds. The medicine comprises the following components in parts by weight: 1-5 parts by weight of rheum officinale, 7-11 parts by weight of sanguisorbaofficinalis, 5-9 parts by weight of cistanche deserticola, 4-6 parts by weight of Suberect Spatholobus Stem, 10-20 parts by weight of lumbricus, 12-16 parts by weight of achyranthis bidentatae, 3-5 parts by weight of angelica sinensis, 5-7 parts by weight of bulbus fritillariae cirrhosae, 6-8 parts by weight of cassia twig, 10-15 parts by weight of ephedra, 4-8 parts by weight of dark plum, 14-18parts by weight of raw radix aconiti and 15-19 parts by weight of radix aconiti. The traditional Chinese medicine components in the medicine supplement each other, clear away heat and toxic materials, have a good effect on I-degree and II-degree scalds or burns, are good in curative effect, take effect quickly, and can stop bleeding and relieve pain, and scars are not likely to be left after wounds are healed. The use range is wide, carrying is convenient, the price is low, and popularization is facilitated.

The invention discloses a making method of a loquat, milk and lactic acid beverage and relates to the technical field of beverage processing.The loquat, milk and lactic acid beverage is made from loquat leaves, licorice roots, rock candy powder, purified water and raw milk.The making method comprises the steps that the raw milk is firstly boiled, then the loquat leaves and the licorice roots are decocted into a solution, then the cooked milk and the purified water are poured into a jar for heating, then the rock candy powder is added, candy melts by using activated carbon to form syrup, the loquat leaf and licorice root solution is poured into the syrup, sterilization and cooling are performed, an acetic acid strain is inoculated in the cooled liquid for fermentation, strain control is conducted on the fermented liquid, and then acid adjustment is performed.The making method is simple in process, the steps are easy to control, the made loquat, milk and lactic acid beverage has a good, soft and refreshing taste, good quality and good stability.Due to the fact that the licorice roots and the loquat leaves are added, the loquat, milk and lactic acid beverage can prevent cough, excessive phlegm and other symptoms, further has the nutritional ingredients of lactic acid and moderate acidity and is suitable for people of all ages.

The invention belongs to the field of microbial fermentation and specifically relates to a strain for stably and efficiently hydrolyzing oil meal and application of the strain. The strain is preservedin China Center for Type Culture Collection called CCTCC for short on November 14, 2018; a preservation address is Wuhan University, Wuhan, China; and a preservation number is CCTCC NO: M 2018794. According to the strain provided by the invention, the oil meal is stably and efficiently hydrolyzed through liquid fermentation; the time is short, steps are simple and a process is controllable and monitored; and meanwhile, composing components of generated hydrolysis fluid are more stable and the strain is applicable to market requirements and subsequent application.

The invention provides a cod hot pot oil material and a preparation method thereof. The preparation method of the cod hot pot oil material comprises the steps that 1.39-6.94% of ginger is pulped into an extraction tank, then 13.15-88.5% of olive oil is heated up and is pumped into the extraction tank, and extraction and filtering are carried out for later use; the obtained olive oil is heated, 2.78-13.89% of tomato and potato sauce and 1.85-4.63% of garlic are sequentially stir-fried, and then 3.24-15.52% of cod extract is added and decocted; and then 0.46-2.78% of iodized salt and 0.46-6.94% of glucose are added, and finally 1.39-4.63% of pepper oil is added and evenly stirred to make the cod hot pot oil material. The cod hot pot oil material prepared by the preparation method is nutritious, easy to absorb and delicious in taste.

The invention discloses a processing method of a lithium ion battery pole, which specifically comprises the following steps: step 1, preparing a base material, processing one end of a copper column into a step-shaped convex part, and processing an aluminum plate into a groove matched with the step-shaped convex part of the copper column; step 2, carrying out electroplating on the surface of the convex part of the copper column; step 3, coating the convex part of the copper column and the groove of the aluminum plate with metal brazing materials, and assembling the copper column and the aluminum plate; step 4, brazing the assembled copper column and the aluminum plate; step 5, removing an oxide layer and smudginess on the surface of a copper-aluminum composite pole; and step 6, carrying outoil removing and cleaning. Compared with a copper-aluminum friction welding process, the machining material utilization rate is high, the batch production efficiency is high, and the overall cost isreduced by about 30%. The copper-aluminum composite pole produced through the processing method is not prone to desoldering, the overall stability of the product is improved, and the overall weight islow. By use of the processing method, batch production can be achieved, equipment investment is low, production efficiency is high, and the production cost can be reduced.