211results about How to "Affect purity" patented technology

The invention discloses a fermented organic fertilizer. The fermented organic fertilizer comprises the following components in parts by mass: 1000-1500 parts of stalk, 1000-1300 parts of chicken manure, 1000-1500 parts of cattle manure, 800-1200 parts of pig manure, 1200-1800 parts of soybean meal, 35-50 parts of a microbial agent, 10-20 parts of peat humic acid, 50-80 parts of corn meal, 60-90 parts of composite enzyme preparation and 30-60 parts of complex bacteria. The invention also discloses a fermentation method of the fermented organic fertilizer. As the method adopts the microbial bacteria and the composite enzyme preparation, the fermentation efficiency is improved, the fermentation time is effectively reduced, the consumption amount of water, electricity and steam is reduced, the production cost is lowered, and the method is suitable for industrial large-scale production; the fermented organic fertilizer disclosed by the invention has no malodor when used in fields, is cost-saving due to the reduction in the consumption, does not result in soil impoverishment, hardening and salinization, and meets the trend of energy-saving, environment-friendly and sustainable development.

The invention relates to a method for extracting general flavones from bamboo leaves, which comprises the following steps of: drying and crushing bamboo leaves, and then adding 10-20 times of a complex enzyme solution with mass concentration of 0.05-0.15 percent; regulating the pH value of the solution to be 4.5-6; then ultrasonically treating for 0.5-1.5h at a temperature of 40-60 DEG C, then rapidly raising the temperature to 85-90 DEG C, keeping for 5min and inactivating enzyme, filtering, collecting filtrate, decompressing and concentrating until the relative density is 1.12, wherein the complex enzyme is a mixture of cellulase and pectinase which have mass proportion of 1:1; adding chitosan in a concentrated liquid according to the proportion of 80mL of chitosan colloidal solution to 1000mL of concentrated liquid, fully stirring, adding a 101 juice classifying agent water solution according to the proportion of 80mL of 101 juice clarifying agent water solution to 1000mL of concentrated liquid, fully stirring, standing over the night, centrifugally separating, taking supernate; and leading the supernate to pass through a D101 resin column, eluting with alcohol with volume concentration of 50 percent, concentrating eluant, decompressing and drying to obtain the general flavones of the bamboo leaves.

The invention discloses a vacuum filter, and belongs to the field of filtration, which is used for solving the problems of cooling and dedusting of high-temperature and dust-contained gas in a vacuum working system. The vacuum filter comprises a cavity body, a diffuser and a filter element, wherein the cavity body is provided with a gas inlet connected with a specific gas pipeline and a gas outlet connected with a vacuum pump; the top end of the cavity body is provided with a top cover connected with the cavity body in a sealed mode; the cavity body is internally provided with the diffuser at the gas inlet; the filter element is installed at the center in the cavity body; the side wall of the filter element is provided with filter holes; the bottom surface of the filter element is provided with an opening leading to the gas outlet of the cavity body, thereby preventing the vacuum pump and an upstream-downstream system from being damaged by high-temperature, corrosive and dangerous dust particles, and solving the problem of too complex and frequent maintaining frequency of the vacuum pump of the vacuum filtration system. From the aspect of environment protection, gas in pipelines can be further cooled down and purified, and air pollution can be reduced.

The invention discloses a process for manufacturing lithium polysulfide needed by a lithium sulfur battery. The process comprises the following steps: replacing with inert gases in a reaction kettle, and synthesizing through N-methyl pyrrolidone, sodium bisulfide, sodium hydroxide, oxygen-free deionized water, lithium chloride and sublimed sulfur according to a molar ratio of (4.4-5.4) to 1.0 to 1.03 to 0.3 to 1.001 to (4.0-6.0) according to a formula of raw materials; heating, filtering to remove generated sodium chloride, returning the filtrate to a reaction system, adding sublimed sulfur, heating the reaction system, and reducing the preserved temperature to room temperature, thereby separating out light yellow white solid powder in the reaction system; filtering the light yellow white solid precipitates, washing and filtering by anhydrous alcohol, and drying in a drying oven, thereby obtaining a lithium polysulfide raw material needed by the lithium sulfur battery.

The invention discloses a production method of tetraammonia palladium sulfate, which comprises the steps of ammonia water complexation, ion exchange, sulfuric acid neutralization, recrystallization and purification. The synthesis method of the invention has simple process, few by-products, The product has high purity and high conversion rate, and the present invention adds a drying step in the complexation of ammonia water, so that the residual ammonia water on the solid surface is avoided from participating in the next reaction step, which affects the purity of tetraammonia palladium sulfate, so that tetraammine palladium sulfate The purity has been further improved.

The invention relates to a nanometer material composite technique, belonging to a intelligent periodic controllable furnace for using phase method to continuously prepare the nanometer material. The inventive furnace is formed by a feeding room, a reaction room, and a discharging room. Wherein, two water-cooling transition areas are arranged between the reaction room and the feeding room, the reaction room and the discharging room. In production, putting the raw material in the material disc to be fed into feeding room; using hydraulic cylinder to push the material disc into reaction room; using another hydraulic cylinder to draw the reacted product from reaction room into discharging room to be cooled; and the feeding and discharging of material can be processed synchronously; the temperature of reaction room only need one increase, and the production can be continuously processed by keeping the working temperature. Compared to single-room furnace, it can improve the producing efficiency and the service life of reaction furnace and save the energy.

The invention relates to a production process for performing oxyalkylation on alkynol. The invention aims to provide an alkynol oxyalkylation production process, in which the reaction condition is mild and the reaction process can be controlled. According to the technical scheme, the production process comprises the following steps of: adding preheated alkynol into a reaction kettle, adding a catalyst, and stirring uniformly at constant temperature; adding one or more alkylene oxides into the reaction kettle, controlling the temperature and the pressure of the reaction kettle to be within a certain range in the alkylene oxide adding process, keeping constant temperature for a period of time after adding the alkylene oxides, and neutralizing; and distilling under reduced pressure to remove water and light components from materials thus obtaining the product. According to the production process, the reaction condition is mild, high-pressure equipment is not needed, and complete controllability in a production process is achieved; the reaction temperature is low, so the strongly alkaline component contained in the catalyst component can improve the catalytic efficiency and does not cause side reaction such as alkynol cracking; the reaction temperature is low, so the alkylene oxide with low boiling point is not gasified during reaction to increase the pressure, and the safety is improved; and the production efficiency is improved, the product has high purity and energy is saved.

The invention discloses porous three-dimensional phosphaalkene as well as a preparation method and an application of the porous three-dimensional phosphaalkene. The porous three-dimensional phosphaalkene has a stable three-dimensional structure formed by self-crosslinking assembly of black phosphaalkene and has the porosity of 50%-98% and the specific surface area of 200-2000 m<2>/g. A relativelystrong electric field is applied to a two-electrode or multi-electrode system by using an electrochemical method, an intercalator and an auxiliary intercalator directionally move towards a black phosphorus crystal and enter an interlayer to destroy an interlayer force of the black phosphorus crystal, and black phosphorus interlayers are kept crosslinked, but an interlayer distance is increased, sothat the black phosphorus crystal expands and the porosity is enlarged, then, the expanded black phosphorus is treated by freeze-drying, and thus, the porous three-dimensional phosphaalkene is obtained. The porous three-dimensional phosphaalkene has excellent physical and chemical properties instead of increasing the wettability of an electrolyte to an electrode material, is also beneficial to the adsorption and diffusion of reactants and metabolites in a reaction process and can be applied to the field of hydrogen production under electrochemical catalysis.

The invention discloses a method for producing high-purity nickel. In the method, a nickel-containing salt solution is used as an electrolyte and is subjected to electrolysis to obtain nickel, before electrolysis, pretreatment is carried out to remove impurity elements in the electrolyte, and pretreatment refers to that the electrolyte is subjected to adsorption through ion exchange resins and activated carbon, wherein the ion exchange resins at least comprise Diphonix resins and M-4195 resins; during electrolysis, the electrolyte is continuously circulated in a link from an electrolyzer to ion exchange resins to activated carbon to the electrolyzer; and after electrolysis, nickel obtained by electrolysis is subjected to vacuum degassing in advance and then vacuum melting to obtain a high-purity nickel ingot. The method for producing high-purity nickel is simple in process and easy to operate, the obtained nickel has the purity over 99.999%, and a nickel product is stable in quality.

The invention relates to a method for electrolytic synthesis of siloxane, belonging to the technical field of organosilicon chemistry. The method disclosed by the invention comprises the following steps of carrying out an electrolysis reaction on minerals containing SiO2 and an alkylating agent as raw materials at room temperature and normal pressure in an electrolyte solution comprising an aprotic polar organic solvent and an electrolyte by an electrolytic cell or an electrolytic bath with a cathode and an anode and synthesizing to obtain the silicone-containing materials, and finally the separating siloxane in the silicone-containing materials to obtain siloxane products. According to the method for electrolytic synthesis of siloxane, production costs and energy consumptions are greatly reduced, the production efficiency is improved; no pollution to the environment is generated and the synthesis process is environment friendly; a plurality of silicone products are obtained by flexibly choosing alkylating agents. The method disclosed by the invention has the advantages of high converted rate and product quality.

The invention discloses a multi-layer water sample collector, which comprises a water sampling barrel, wherein a water absorption device is arranged at the bottom of the water sampling barrel, and a gas storage device is arranged at the top of the water sampling barrel; the water absorption device is communicated with the gas storage device; a plurality of partition plates are arranged in the water sampling barrel, a plurality of partition plates are circumferentially arrayed around the center line of the water sampling barrel, a water sampling cavity is formed between the adjacent partition plates and the inner wall of the water sampling barrel, a water sampling shell is arranged in the water sampling cavity, and an outer wall of the water sampling shell abuts against an inner wall of the water sampling cavity; a rubber layer is arranged on a bottom surface of the water sampling shell, and a communicating gap is formed in the rubber layer; a splitter plate is fixedly connected to the bottom of the water sampling barrel, a plurality of splitter holes are formed in a top surface of the splitter plate around the center of the splitter plate in a circumferential array manner, a plurality of splitter holes and a plurality of water sampling cavities are arranged in a one-to-one correspondence manner, conical shells are fixedly connected to the outer walls of orifices of the splitter holes, outer walls of the conical shells abut against inner walls of the communicating gaps, and the tops of the conical shells are located in the water sampling shell.

The invention discloses a method for breeding hybrid seeds of gauze room cucumber and relates to the technical field of crop cultivation. The method comprises the following steps: respectively carrying out planting fixation on a father plant and a mother plant for breeding seeds, and isolating by using gauze. Due to adoption of the gauze, cucumber seedlings can be protected, and damage caused by wind and frosting can be alleviated; meanwhile, insect pollination and hybridization of other species which can affect seed purity can be also prevented, and a part of insect infected plant diseases and insect pests can be prevented; in addition, in cross pollination, female flowers to be bloomed do not need to be capped, but only female flowers of the mother plant and male flowers of the father plant after pollination are clamped by using grafting clamps, then pollination operation can be completed, the working intensity can be greatly alleviated, the labor can be saved, the production cost can be reduced, and in addition, the seed purity can be well ensured.

The invention relates to a method for preparing indium tin oxide. The method comprises the following steps of 1) heating and melting metal indium, adding the metal indium in water to obtain an indiumflower, adding the indium flower to a nitric acid solution, and adding an oxidizing agent for nitrification under stirring to obtain indium nitrate; 2) heating and melting metal tin, adding the metaltin to water to obtain a tin flower, and adding the tin flower to the nitric acid solution, and adding the oxidizing agent to perform nitrification under stirring to obtain tin nitrate; 3) mixing theindium nitrate and the tin nitrate, adding ammonia water to carry out a coprecipitation reaction, separating and drying the coprecipitated product, and calcining to obtain the indium tin oxide. The method does not generate nitrogen dioxide exhaust gas, and the obtained indium tin oxide has a uniform particle diameter.

The invention discloses a preparation method of a high-strength and high-conductivity copper-silver alloy wire. The alloy mainly comprises 0.2 to 8.0 percent by weight of Ag, not more than 0.1 percentof impurities and the balance of Cu. The preparation method sequentially comprises the steps of vacuum melting, vacuum continuous casting, aging and multi-pass drawing. By means of the technology, the content of solid solution Ag atoms in the alloy can be well controlled, and meanwhile, nano Ag is separated out, so that the dislocation density of the alloy is improved, and the alloy obtains the maximum separation strengthening and dislocation strengthening effects. Compared with a traditional method that solid solution is conducted firstly and then aging is conducted, the preparation method provided by the invention has the advantages that the mechanical property of the Cu-Ag alloy is guaranteed, meanwhile, higher electrical conductivity can be obtained, the mechanical property and the electrical conductivity of the prepared copper-silver alloy wire are well matched, the technological process is shortened, and the production cost is reduced.

The invention discloses a thiadiazole derivative for vulcanized cross-linking of a halogen-containing polymer. The structural formula of the thiadiazole derivative is shown in a formula (1) or (2), wherein R is aryl group or C1-17alkyl group. The thiadiazole derivative for the vulcanized cross-linking of the halogen-containing polymer can be used as a vulcanized agent.