278results about How to "Standards compliant" patented technology

A method for treating biochemical sludge or poultry and livestock manure by using earthworm belongs to the technical field of earthworm reaction. The method comprises the steps of collecting biochemical sludge or poultry and livestock manure, and adding brown sugar, effective microorganisms (EM) and urea into the biochemical sludge or poultry and livestock manure; transporting the treated biochemical sludge or poultry and livestock manure from the first step to earthworm bed ton bags, and arranging the earthworm bed ton bags on the floor; putting earthworm fry including artificially-fed earthworms and wild earthworms in the earthworm bed ton bags; holding the temperature and humidity of the earthworm bed ton bags; separating the earthworms from the manure treated by using the earthworms; and using the treated manure for planting lawn, sward and raising matrix and greening landscape. The treated manure by the invention meets the standard of organic fertilizer by detection in center for quality supervision and test of fertilizer under the ministry of agriculture.

The present invention is protein feed and its preparation process with potato slag. Protein feed is prepared with waste potato slag from starch production, and through squeezing to dewater, adding certain amount of supplementary material, inoculating certain amount of microbe seed and solid fermentation. The said preparation process is simple, and has high yield, low investment, low power consumption and other advantages. Thus obtained feed product has the fermented product, including microbe, metabolite and substrate utilized fully, and possesses the active components maintained, high amino acid content and high nutritious value.

The invention mainly discloses an aeration type sewage treatment device and method. The technical scheme is as follows: the device comprises a primary sedimentation tank, a biodegradation tank and a disinfection tank, wherein a filtering device is arranged in the primary sedimentation tank and comprises a filtering plate and a collection box; the biodegradation tank comprises a facultative tank, an aerobic tank and a clarifying tank in mutual connection; a biological packing frame is arranged in the facultative tank; an aeration device is arranged in the aerobic tank and comprises a lifting cylinder, a spiral aerator and a rotating disk; the spiral aerator is mounted on the upper side of the lifting cylinder; a rotating shaft of the spiral aerator penetrates the rotating disk; and aerobic microbial packing is arranged on the rotating disk. Particle impurities of sewage are removed by the primary sedimentation tank, and then the sewage enters the biodegradation tank for reacting and finally is subjected to disinfection treatment. In the invention, through multi-stage treatment of the sewage, harmful substances in the sewage are separated and degraded better, the blocking phenomenon does not happen frequently, the treatment efficiency is high while the effect is good, and the treated sewage reaches the national discharge standard.

An artificial culture method for tendrilled fritillary bulb features that its original ecologic environment is simulated and the intercroping and croping rotation are used for high yield and quality.

The invention discloses a making method of composite salt of aminoglucose sulfate, which comprises the following steps: transmitting amino glucose hydrochlorate into amino glucose in the alkaline solution; generating chloride simultaneously; acting sulfuric acid and amino glucose to form aminoglucose sulfate; condensing; crystallizing; obtaining the product.

The invention discloses a synthesis method of finasteride, which comprises the following steps that: taking inexpensive luteosterone and the like as the raw materials to finally prepare finasteride through 6 steps of synthetic reaction, i.e. the synthesis of 3- carbonyl-4- androstene-17beta-carboxylic acid, the synthesis of N-tertiary-butyl-3- carbonyl-4- androstene-17beta-formamide, the synthesis of N-tertiary-butyl-5- carbonyl-17beta- carbamoyl-A-lost carbon-3,5-cracking- androstane-3-acid, the synthesis of N-tertiary-butyl-3-carbonyl-4- aza-5- androstene-17beta-formamide, the synthesis of N-tertiary-butyl-3- carbonyl-4- aza-5alpha- androstane-17beta- formamide, and the synthesis of finasteride. The synthesis process has the advantages of inexpensive and easily available raw materials and stable yield, is applicable to industrial production, and the product quality meets the pharmacopeia standards.

The invention discloses a centralized industrial waste gas treatment system which comprises a deodorization unit, a waste gas absorption unit and an acid-mist purification unit, wherein the deodorization unit comprises a deodorization tower; deodorization packing is arranged on a first grid; the waste gas absorption unit comprises an absorption chamber; an adsorptive material is arranged on a partition plate of the absorption chamber; the acid-mist purification unit comprises a purification tower; the deodorization packing is arranged on a second grid; and waste gases in a waste gas inlet pipe sequentially pass through the deodorization tower, the absorption chamber and the purification tower and then enter a waste gas outlet pipe under the action of a centrifugal fan. According to the treatment system disclosed by the invention, odorous gases in the waste gases are removed by the deodorization unit, gases capable of being absorbed by the adsorptive material are absorbed by the waste gas absorption unit so as to remove organic gases, and finally, the acid gases are neutralized by using alkali liquor of the acid-mist purification unit. Therefore, the acid gases in the industrial waste gases can be purified, so that the discharged gases meet the standards.

The invention comprises a charging device, a drying belt driving device and a vacuum plant. The charging device includes a charger mixer, a dosage pot and a single-screw pump mounted one by one. The drying belt driving device is disposed in an enclosed vacuum chamber and has several layers of drying belts with the driving device inside. The vacuum plant includes a vacuum distributor and vacuum pipelines.

The invention discloses a synthetic method of cefadroxil. The synthetic method of cefadroxil comprises the following steps of: dissolving 7-aminodesacetoxycephalosporanic acid by adopting organic base at the temperature ranging from minus 10 DEG C to minus 50 DEG C to obtain 7-aminodesacetoxycephalosporanate; carrying out reaction on HPCDane salt and pivaloyl chloride at the temperature ranging from minus 20 DEG C to minus 70 DEG C to generate mixed anhydride and carrying out condensation reaction on the mixed anhydride and 7-aminodesacetoxycephalosporanate, extracting and regulating pH value of a water layer, then separating salt and regulating pH value, and crystallizing to obtain cefadroxil. By adopting the manner, the synthetic method of cefadroxil has the advantages that a process is simple, solvate does not need to be formed in a synthetic process, crystallization can be directly carried out in water, consumption of an organic solvent is reduced, production cost is reduced, yield of cefadroxil is high, various quality indexes are qualified, pharmacopeia standards are met, and implementation of industrial production can be facilitated.

The invention discloses a video quality scoring method. The method comprises the following steps of S, obtaining a video playing quality score S and a video playing effective times E; S2, establishing a relation between a video playing time coefficient D and the video playing effective times E to obtain the video playing time coefficient D; S3, calculating the video playing quality total score T according to a formula as follows: T is equal to S*D; and S4, calculating the video quality score G according to a formula as follows: G is equal to T/E. The invention also discloses a video quality scoring system. By adoption of the scoring method, the influence of fraudulent scoring by users can be effectively filtered, relatively less algorithm calculated amount is required, and the burden of a server can be relieved.

The invention relates to a large-diameter high-purity oxygen-free copper cast blank horizontal continuous casting process. An oxide layer and particles are removed from the standby cathode copper surface, in addition, preheating treatment is carried out, and the preheating temperature is controlled to be 280 DEG C to 300 DEG C; pretreated cathode copper is placed into a smelting furnace to be smelted, the smelting temperature is controlled to be 1180 to 1230 DEG C, inert gas is introduced into the bottom of the smelting furnace, a calcined charcoal layer floats above molten copper to be used as the coverage, and the molten copper is stirred through electromagnetic stirring; then, the smelted molten copper flows into a heat insulation furnace, inert gas is introduced into the bottom of the heat insulation furnace, the calcined charcoal layer floats above molten copper to be used as the coverage, and the temperature inside the heat insulation furnace is controlled to be 1180 to 1230 DEG C; the molten copper in the heat insulation furnace is guided out, a graphite crystallizer is subjected to water cooling, and high-purity oxygen-free copper cast blanks are obtained. The process has the advantages that the oxygen content of the cast blanks can be effectively controlled, the production cost is reduced, products can completely reach TU1 standards, and the yield can reach more than 90 percent.

The invention discloses a method for preparing a nuclear functional material tungsten-tantalum alloy plate. The method comprises the following steps of: 1, putting tungsten powder and tantalum powder into a planetary ball mill in a mass ratio of 9.5:0.5, and performing vacuum high-energy ball milling to obtain tungsten-tantalum mixed powder; 2, pressing the tungsten-tantalum mixed powder to form a tungsten-tantalum alloy plate green blank by using a cold isostatic press; 3, sintering the tungsten-tantalum alloy plate green blank in a vacuum hot-pressing sintering furnace, and performing furnace cooling to obtain a tungsten-tantalum alloy plate blank; and 4, polishing the surface of the tungsten-tantalum alloy plate blank, and cutting the blank to obtain the nuclear functional material tungsten-tantalum alloy plate with the required size. The tungsten-tantalum alloy powder is fully utilized in the method, only a little machining is needed at the later stage, and the yield is high; the density of the prepared tungsten-tantalum alloy plate reaches over 18.76g/cm<3>, crystal grains of the alloy plate are fine and uniform, and the size of the crystal grains is less than 10.2 microns; and pollutants such as waste materials, waste acid and the like are not produced in the preparation process.

The invention relates to a cultivation method for an organic tea plant containing nanometer germanium, and aims to provide the cultivation method for the organic tea plant containing nanometer germanium. The method can help the tea plant in absorbing nanometer germanium without using any pesticide or chemical synthesized fertilizer. The method comprises the following steps: tea seedling planting, soil management, fertilizer application management, pest control, and tea plant trimming. During the fertilizer application management, microorganism organic nanometer germanium mixed fertilizer is applied to the tea plant; the microorganism organic nanometer germanium mixed fertilizer is prepared by mixing organic nanometer germanium compound fertilizer and microorganism bacteria; and the microorganism bacteria comprise a photosynthesis bacterium, a nitrobacterium, a violet non-sulfur bacterium, a denitrifying bacterium and a green sulfur bacterium. The cultivation method can make the leaves of the tea plant stably contain abundant nanometer germanium. Each 100g of tea made from the leaves contains 40 to 65 micrograms of nanometer germanium; and the prepared tea completely meets the standards for organic tea by International Federation of Organic Agriculture Movements.

The invention discloses a waterproof charging type amphibious high-pressure cleaning machine. The machine comprises a shell; a motor pump unit and a rechargeable battery, wherein the motor pump unit comprises a motor and a mini-pump, wherein the motor comprises a motor shaft, a rotor and a stator iron core arranged in a motor shell, the rotor is arranged on the motor shaft, and the stator iron core is positioned outside the rotor; the mini-pump is provided with a pump water inlet and a high-pressure water outlet which are formed in a pump shell; the motor shell is provided with a sealing cavity I and an inner shell, the rotor and the stator iron core are arranged in the sealing cavity I, and the stator iron core clings to the inner shell to form a heat conduction channel; the motor shell is provided with at least one cooling channel I, a water inlet I and a water outlet I; the water inlet I is connected with an external water source, and the water outlet I communicates with the pump water inlet; and the sealing waterproof grade of the shell is not lower than IPX7. The waterproof charging type amphibious high-pressure cleaning machine has the beneficial effects that the waterproof grade can reach above IPX7, the machine is safer and more reliable, the working pressure of the whole machine reaches 2.5MPa, and higher cleaning capacity is achieved.

This invention describes an innovative biomembrane water-filtration system, comprising a biological filtration bed section and a membrane separation section. The biological filtration bed section, operated either in the fixed bed mode or in the moving bed mode, has such two functions as biological treatment and quick filtration, and has such advantages as high load, high efficiency, high stability and simplicity for operation. The membrane separation section uses membrane filtration modules to remove the particles in the effluent water from the biological filtration bed section, thus producing high quality clarified water.

The invention discloses a pressure anti-explosion decompression balance valve utilizing a small-sized battery pack. The pressure anti-explosion decompression valve comprises an anti-explosion valve main body, wherein the anti-explosion valve main body is of a hub-type frame structure, a straight-through hole stacked blocking transverse plate structure is arranged inside the hub-type frame structure, the side surface of the blocking transverse plate structure is provided with a protection steel sheet, the interior of the protection steel sheet is of a circular-hole or an arc ventilation straight-through hole structure, a waterproof ventilation membrane is arranged between the anti-explosion valve main body and the protection steel sheet in a fitting manner, the inner wall of the hub-type frame of the anti-explosion valve main body is provided with a sealing strip in a buckling manner, and the outer wall of the hub-type frame of the anti-explosion valve main body is provided with an anti-explosion cover in a buckling manner. The pressure anti-explosion decompression balance valve utilizing the small-sized battery pack has the characteristics of high safety performance, convenience in use, low cost, good air tightness, excellent protection performance, good water resistance and convenience in detection.

The invention discloses an integrated type recovery device for organic-polluted soil. The large-size block-shaped organic-polluted soil is cut and crushed into incompact small-size granular soil through a soil crusher firstly, then enters the integrated soil recovery device to be recovered, and finally enters a soil recycling box after being recovered. The integrated type recovery device for the organic-polluted soil achieves closed integrated type treatment and recycling of the soil, the removal rate of organic pollutants in the soil is up to above 99%, and the integrated type recovery device is effective especially for organics difficult to volatilize.

The invention relates to a spatial manipulator structure capable of stably grabbing. The spatial manipulator structure comprises two drive devices of the same structure and arranged at the front end and the tail end of a spatial manipulator respectively and a driven device. The driven device between the two drive devices contains a magnetorheological fluid damper structure capable of buffering the kinetic energy from the axial force and the radial force, and it can be effectively guaranteed that a target satellite is grabbed stably and precisely through the whole structure. The spatial manipulator structure has the advantages that the target satellite in the space can be grabbed stably and reliably on the dependence of the manipulator structure; after the target satellite is grabbed, negative energy brought by grabbing the target satellite can be buffered on the dependence of a magnetorheological fluid damper and spring damping, and a stable whole satellite base is guaranteed.

The invention relates to a submerged-arc welding pipe internal burr removal device and method, and belongs to the field of submerged-arc welding pipe production. The internal burr removal device comprises a computer, a machine fame, a left pair and a right pair of supporting rollers arranged on the machine frame and used for placing a pipe blank, a trolley which is placed in the pipe blank when internal burrs are removed and a burr excess weld metal detection device; and wheels are arranged at the bottom of the trolley, an image recognition device used for photographing morphology images of the internal burrs to be scraped is mounted at the top of the trolley, a scraping device used for scraping the internal burrs is mounted on the lower part of a vehicle body of the side surface of the trolley, and a temperature measuring device used for measuring temperature data of the internal burrs at a weld bead is mounted on the upper part of the vehicle body of the side surface. According to the submerged-arc welding pipe internal burr removal device and method, the scraping process of the internal burrs is automatically controlled based on a machine vision technology, through the linkage of the computer with the image recognition device, the temperature measuring device, the scraping device and the excess weld metal detection device, closed-loop control over the whole process of morphology detection of the internal burrs, tool positioning, temperature detection, scraping and internal burr excess weld metal detection is realized.

The invention provides an aflatoxin-effectively-removing peanut oil extracting method .The aflatoxin-effectively-removing peanut oil extracting method includes the following steps of pretreating, crude oil preparing, degumming, alkali refining, primary evaporating and separating of a solvent, secondary evaporating and separating of a solvent, dewaxing and deodorizing .By means of the aflatoxin-effectively-removing peanut oil extracting method, pigment and waxiness in grease are effectively removed, removing of aspergillus flavus and producing of peanut oil are combined accordingly, production of the peanut oil is not influenced, the content of the aspergillus flavus is greatly decreased, invariable nutrient substance ingredients are reserved through the produced peanut oil, taste is pure, fragrance is lasting, the requirements of persons for original-taste-and-flavor superfine peanut oil can be met, the reaction condition is wild, operation is easy, and good application prospects are achieved.

The invention relates to a preparation method of traditional Chinese preparation honeysuckle and radix scutellariae granules. The preparation method comprises the following steps of: (1) preparation of honeysuckle thin paste: decocting honeysuckle with water twice, filtering, concentrating under reduced pressure, adding ethanol, standing, recovering ethanol, and concentrating; (2) preparation of radix scutellariae thin paste: decocting radix scutellariae with boiling water twice, filtering, standing, filtering supernatant, adjusting the pH value of the filtrate with concentrated hydrochloric acid, standing, filtering out precipitates, adding water to the precipitates, stirring for dissolving, adjusting the pH value with a sodium hydroxide solution, adding equivalent ethanol, uniformly stirring, standing, filtering supernatant, recovering ethanol from filtrate, and concentrating; and (3) adding a proper amount of adjuvants to the honeysuckle thin paste and radix scutellariae thin paste, uniformly stirring, and granulating.

The invention discloses an oil and fat modification method and application thereof. Ozone is used for carrying out modification on oil and fat in the method. According to the method, an oil and fat modification material is prepared and obtained through a one-step reaction, the method is simple, efficient and easy to implement; waste oil and fat are used for carrying out modification simultaneouslywithout the use of any solvent or other additives, degradation products are phytonutrients, the using amount of ozone is small, the ozone is a clean renewable resource, the method can be realized atnormal temperature and normal pressure respectively, no expensive equipment is needed to be used, and the equipment is used less, so that the method is beneficial for cost control, cannot cause new environmental pollution, and is applicable for large-scale green and environmental protection production; the oil and fat modification material prepared and obtained by the method is applied to slow release fertilizers or controlled-release fertilizers with the initial nutrient release amount within 24 h being smaller than 15%, and standards of an enveloping material for the slow release fertilizersor controlled-release fertilizers are met.

The invention relates to the technical field of chemical engineering, and particularly relates to a production method for calcium hydrogen phosphate. A calcium hydrogen phosphate product is prepared by reacting calcium oxide with a certain amount of water to form a calcium hydroxide solution; then reacting the calcium hydroxide solution with urea phosphate under stirring; controlling a pH value at 5.5-6.5; reacting for 5-20 min under stirring continuously and terminating the reaction. By adopting urea phosphate as a direct resource of phosphorus in the calcium hydrogen phosphate product, processes of removing impurities such as metal ions and fluorine in a process for producing feed level calcium hydrogen phosphate by using wet-process phosphoric acid are omitted; phosphorus utilization rate in the whole process is high; removal of a lot of wastes is prevented; and production cost of calcium hydrogen phosphate is reduced. In the obtained calcium hydrogen phosphate product, phosphorus content is 16.8-17.3%; calcium content is 20.35-22.2%; and fluorine content is 0.012-0.023%. The obtained calcium hydrogen phosphate product can fully meet the standard of feed level calcium hydrogen phosphate.

The invention provides a preparation method of bitter-taste ganoderma lucidum spore powder, relating to the field of medicines or health products. The preparation method comprises the steps of removing impurities from ganoderma lucidum spores, and carrying out ice-bath and heating extraction, microfiltration membrane filtration, drying sterilization and wall breakage, so as to obtain the ganodermalucidum spore powder. According to the preparation method, by combining repeated impurity removal, shrunken shell filtration and wall breakage after extraction, the content of bitter-taste substancesin the ganoderma lucidum spore powder are effectively increased; ganoderma lucidum total triterpene in the ganoderma lucidum spores is taken as a representative of the bitter-taste substances, and the content of the ganoderma lucidum total triterpene can reach 5%-8%; and meanwhile, the bitter-taste substances in the ganoderma lucidum spore powder can be increased, and the content of ganoderan canreach 6%-10%.

The invention provides a preparation method of a pure natural dried osmanthus. The preparation method comprises the following steps: (1) harvesting fresh osmanthus; (2) room temperature tedding: air drying dew and water on the surfaces of the fresh osmanthus in a cold, ventilated, room-temperature and aseptic condition, and removing impurities; (3) ultra low temperature quick-freezing storage: placing the osmanthus which have been processed in the step (2), into low-temperature freezing food containers in an aseptic condition, and placing the containers into a freezer with a temperature in the range of -22 DEG C to -18 DEG C; (4) low-temperature vacuum drying: drying the osmanthus by sublimation technology in the vacuum condition with the negative pressure of -0.04 to -0.06 MPa and the temperature of 10-30 DEG C until the water content of the osmanthus is less than or equal to 5%; (5) medium-temperature baking: placing the processed osmanthus into a drying device at 40-50 DEG C, heating and turning over until the water content is less than 3%, so as to prepare the pure natural dried osmanthus. The invention also discloses the pure natural dried osmanthus which is prepared by the above preparation method. The invention especially solves the problems such as fresh flower discoloration and capacity restriction.