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31results about How to "No source of pollution" patented technology

Tungsten-doped vanadium dioxide nanopowder and preparation method thereof

The invention discloses a tungsten-doped vanadium dioxide nanopowder and a preparation method for the nanopowder. The powder is flaky or conic rod-shaped tungsten-doped B-phase vanadium dioxide of which the chemical formula is V1-xWxO2; the flaky V1-xWxO2 is 1-10 nm thick, 350-450 nm wide and 3-5 mum long, and the conic tip diameter of the conic rod-shaped V1-xWxO2 is 15-25 nm, the cone length is110-150 nm, the rod diameter is 130-150 nm and the rod length is 1-2 mum; the preparation method comprises the following steps of: firstly, weighting vanadium pentoxide and ammonium tungstate according to a component ratio of the V1-xWxO2, melting the weighted vanadium pentoxide and ammonium tungstate and preserving heat for at least 20 minutes, then, dipping the molten mass in a quenching media and stirring for at least 12 hours, standing and aging for at least 10 days to obtain a doped sol, afterwards, adding polyethylene glycol aqueous solution into the doped sol, stirring for at least 8 hours to obtain mixed solution, and setting the mixed solution to be airtight for reaction for 2-6 days at the temperature of 180-220 DEG C so as to prepare the tungsten-doped B-phase vanadium dioxide powder. The tungsten-doped B-phase vanadium dioxide powder can be used as electrode material for lithium ion batteries; and after being annealed, the tungsten-doped B-phase vanadium dioxide powder canbe prepared into a phase-change metallic oxide material with wider application, namely, a tungsten-doped M-phase VO2.
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI

Preparation method of reishi shell-broken spore powder at temperature difference ultrahigh pressure by wet process

The invention discloses a preparation method of reishi shell-broken spore powder at temperature difference ultrahigh pressure by a wet process. The preparation method comprises the following steps: soaking fresh reishi spore powder so as to absorb water, putting into a centrifugal machine, centrifuging, airing, then putting into an ultralow-temperature refrigerator and liquid nitrogen sequentially, refrigerating so as to obtain the ultralow-temperature wet spore powder with cracked pore shells, then carrying out microwave unfreezing treatment so as to obtain dried shell-broken spore powder, and finally acquiring sterile spore powder with high shell breaking rate under ultrahigh pressure. The method provided by the invention can be used for solving the technical difficulties of low shell breaking rate, food pollution and difficulty in releasing polysaccharide in the processing course; the reishi shell-broken spore powder prepared by the invention has the characteristics of high spore powder shell breaking rate, no pollution source and easiness in absorption of functional inclusions.
Owner:SHANGHAI JIAO TONG UNIV

Continuous metallurgical composite production process for copper-clad aluminum rows

The invention relates to a continuous metallurgical composite production process for copper-clad aluminum rows. The process comprises a pretreatment step, a continuous coating step, a welding step, acontinuous rolling step, an on-line automatic monitoring step and a diffusion heat treatment step, thereby achieving the following technical effects of: (1) ensuring full uniform combination of coppersheets and aluminum rows, as well as uniform thickness of copper coating; and (2) greatly improving finished-product rate and ensuring yield and quality. Therefore, the production process solves theproblem of producing the copper-clad aluminum rows with various specifications, is particularly applicable to the manufacture of large-size copper-clad aluminum rows, and has huge economic benefit.
Owner:谢洪善 +1

Technique of enzyme method for treating organic wastewater and matched equipment

The present invention relates to a process for treating organic waste water by utilizing enzyme method. Said process is implemented by making organic waste water successively by passed through the water storage tank or precipitation tank, pH regulating tank, pretreatment device, temperature control device, enzyme reactor and filtration device. It is characterized by that the waste water is fed into the immobilized enzyme reactor from its bottom portion, and undergone the process of one-stage or multistage treatment to implement enzyme catalytic degradation so as to make discharged water meet discharge standard.
Owner:江苏晨翔环境科技股份有限公司

Method for improving eutrophic water body by planting vegetables on water surface

The invention relates to a method for improving an eutrophic water body by planting vegetables on a water surface, which comprises the following steps of: (1) selecting fresh water of which the nitrogen content is more than or equal to 0.5 mg / L, phosphorus content is more than or equal to 0.05 mg / L and potassium content is more than or equal to 0.5 mg / L in a water body; (2) enclosing a vegetable planting area; (3) arranging the vegetable planting area; (4) manufacturing a floating planting bed; (5) selecting vegetable varieties; (6) planting vegetables; (7) managing, namely controlling the speed of water flow according to the growth vigor of the vegetables and a detection result of water quality, so that compared with a water inlet in the planting area, at a water outlet, the total nitrogen content is reduced by 30 to 90 percent, the total phosphorus content is reduced by 20 to 70 percent, and the potassium content is reduced by 10 to 50 percent while the growth vigor of the vegetables is ensured; and (8) selecting the vegetable varieties which is suitable to be planted in different seasons, and planting in turn throughout the year. In the method, the eutrophic water body is improved effectively by a biological cleaning method, and compared with physical and chemical means of managing the eutrophic water body, the method has obvious effect and low investment cost and is convenient to popularize and perform large-scale planting; and the vegetables are planted without applying fertilizer and spraying pesticides, so a new pollution source is not generated, and the planted vegetables reach the standard of green organic vegetables. By the method, resource utilization is maximized, and vegetable baskets of people are abundant while the eutrophic water body is managed. The production management and monitoring are convenient, so the method is particularly suitable for the large-scale planting.
Owner:YUNNAN ZHONGHAI FISHERIES

Magnetic driving type taper hole inner surface strengthening equipment

The invention discloses magnetic driving type taper hole inner surface strengthening equipment in the field of part surface treatment. A workpiece is vertically arranged at the bottom in a cylinder body, a taper hole with a large end facing right above is formed in the workpiece, a top cover is arranged right above the workpiece, a top cover through hole communicating with the taper hole is formedin the center of the top cover, a piston is arranged in the top cover through hole, the piston is coaxially and fixedly connected to the lower end of a connecting rod, and the upper end of the connecting rod extends upwards out of the top cover to be fixedly connected to a sliding block; and the sliding block is in sliding connection with a vertical guide rail, the sliding block is fixedly connected to one end of a transmission rod at the same time, the other end of the transmission rod is fixedly connected to the edge of a disc which is horizontally arranged at the center shaft, the disc iscoaxially and fixedly connected to one end of a reversing sheet, the other end of the reversing sheet is fixedly connected to a coil, the coil is horizontally placed between the pair of magnets, the reversing sheet is in contact with an electric brush, and the electric brush is connected to a power supply through a wire; and volume alternating is driven by magnetic force, the pressure of the liquid in the volume is changed so as to perform cavitation strengthening, and the reinforcing effect is good.
Owner:JIANGSU UNIV

Tungsten-doped vanadium dioxide nanopowder and preparation method for the same

The invention discloses a tungsten-doped vanadium dioxide nanopowder and a preparation method for the nanopowder. The powder is flaky or conic rod-shaped tungsten-doped B-phase vanadium dioxide of which the chemical formula is V1-xWxO2; the flaky V1-xWxO2 is 1-10 nm thick, 350-450 nm wide and 3-5 mum long, and the conic tip diameter of the conic rod-shaped V1-xWxO2 is 15-25 nm, the cone length is110-150 nm, the rod diameter is 130-150 nm and the rod length is 1-2 mum; the preparation method comprises the following steps of: firstly, weighting vanadium pentoxide and ammonium tungstate according to a component ratio of the V1-xWxO2, melting the weighted vanadium pentoxide and ammonium tungstate and preserving heat for at least 20 minutes, then, dipping the molten mass in a quenching media and stirring for at least 12 hours, standing and aging for at least 10 days to obtain a doped sol, afterwards, adding polyethylene glycol aqueous solution into the doped sol, stirring for at least 8 hours to obtain mixed solution, and setting the mixed solution to be airtight for reaction for 2-6 days at the temperature of 180-220 DEG C so as to prepare the tungsten-doped B-phase vanadium dioxide powder. The tungsten-doped B-phase vanadium dioxide powder can be used as electrode material for lithium ion batteries; and after being annealed, the tungsten-doped B-phase vanadium dioxide powder canbe prepared into a phase-change metallic oxide material with wider application, namely, a tungsten-doped M-phase VO2.
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI

Novel waterproof sealing material for home decoration

The invention relates to a novel waterproof sealing material for home decoration, belonging to the field of sealing materials. The invention aims to enhance the adhesive force, structural strength, corrosion resistance and other indexes of the waterproof sealing material. Components A and B are proportionally prepared to obtain the product. The product can satisfy various new requirements for interior decoration in modern society, and is a substitute material for the traditional glass cement.
Owner:锋泾(中国)建材集团有限公司

Water-based color chip for artificial leather and preparation method thereof

InactiveCN102206360ANo emission reduction pressureEnvironmental protection and pollution-free productionTextiles and paperPigment treatment with macromolecular organic compoundsEmulsionCarbon black
The invention relates to a water-based color chip for artificial leather, which is prepared from the following raw materials in parts by mass: 1250-5600 parts of primary color powder, 2100-3700 parts of styrene-acrylic resin, 300 parts of ethanolamine and 5000 parts of water (H2O). The powder comprises titanium white and carbon black. The preparation method comprises the following steps: weighing the raw materials according to parts by mass: pouring the styrene-acrylic resin, ethanolamine and water into a material cylinder of a ball grinder, and grinding for 5-20 minutes until the styrene-acrylic resin, ethanolamine and water are sufficiently mixed and dissolved, thereby obtaining an emulsion; pouring the primary color powder into the material cylinder, and dispersing by grinding with a ball grinder for 2-2.5 hours until the emulsion and primary color powder are sufficiently mixed, thereby obtaining a slurry; and finally, drying the slurry with a drying machine, thereby obtaining the solid water-based color chip. The invention is convenient for color matching and easy for storage, has the characteristics of favorable repetitiveness and wide application range, and can be dissolved in water-based polyurethane and oil-based polyurethane.
Owner:FOSHAN SHUNDE TIANLONG PIGMENT +1

Water-proofing material for adhesive joint between solid objects

The invention relates to a waterproof material for bonding solids, namely plastic-steel mud, which is characterized in that: the waterproof material for bonding solids, namely the plastic-steel mud, comprises an A component and a B component; the A component comprises the following contents in percentage by mass: 25 to 45 percent of epoxy resin, 1 to 5 percent of phthalic acid ester, and the rest additive being the combination or one of calcium carbonate, CCR, talcum powder and extra fine talc powder; the B component comprises the following contents in percentage by mass: 20 to 35 percent of polyamide curing agent, and the rest additive being the combination or one of calcium sulphate, calcium carbonate and talcum powder. The plastic-steel mud has waterproof and mildewproof performance, high adhesive force and tough structural strength, applies to the bond of ceramics, metal, rigid plastics, glass, concrete, stone and various materials, as well as the water prevention of lines, hides no dirt, and is resistant to wear, acid, alkali, corrosion and high-low temperature. In construction process, the plastic-steel mud has no pollution source or pungent odor, and does no harm to human body, which is a novel waterproof material for indoor decoration design.
Owner:张建杉

Production method of oxygen-free high-purity cadmium powder

The invention discloses a production method of oxygen-free high-purity cadmium powder, which comprises the following steps of putting a cadmium metal material into a sublimation furnace evaporation tank, sealing a feed port of the sublimation furnace evaporation tank, filling protective gas into a condenser, exhausting air in the evaporation tank, the condenser and a material collector, and continuously filling the protective gas in the subsequent production process; then starting the sublimation furnace evaporation tank, the condenser and an exhaust fan, heating the cadmium metal material to sublimate cadmium metal, and enabling a generated cadmium metal gas-liquid mixture to enter the condenser, cooled and solidified into powder and fall into the material collector. The production method is easy to operate, high in flexibility, high in production efficiency, free of pollution, less in energy waste, low in cost, high in equipment and raw material utilization rate, capable of automatically and continuously operating, less in needed manual operation after operation and good in operation safety, and the oxygen-free high-purity cadmium powder which is good in quality uniformity, high in purity and good in quality can be prepared.
Owner:江苏先导微电子科技有限公司

System and method for efficient condensed air water collection

The invention provides a system for efficient condensed air water collection. The system comprises a solar cell panel (1), a thermoelectric piece (2), a substrate (3) and a water collecting container (4). The solar cell panel (1) is connected with the thermoelectric piece (2) to provide needed working electric power for the thermoelectric piece, the substrate (3) is connected to the cold end of the thermoelectric piece (2), the water collecting container (4) is a U-shaped box, the top end of the U-shaped box is provided with an air feeding fan, the bottom of the U-shaped box is provided with an exhaust fan, the inner wall of the box is provided with the thermoelectric piece, the hot end of the thermoelectric piece is connected with a metal radiator, and the solar cell panel is connected with the thermoelectric piece. A thermoelectric refrigeration technology is adopted, solar energy or a battery is fully utilized to provide power for thermoelectric refrigeration, and the dew-point temperature is reduced. According to the method, the problems of high energy consumption, large noise and large device size in the prior art can be solved, a water condensation surface is a superhydrophobic surface with a nano-structure, and the water collecting efficiency can be greatly improved.
Owner:INST FOR PROCESS MODELING & OPTIMIZATION JITRI

Aqueous black sheet used for artificial leather and preparation method thereof

The invention relates to an aqueous black sheet used for artificial leather, which is characterized by being prepared from the following raw materials in parts by weight: 1250-1750 parts of carbon black powder, 2750-3250 parts of styrene-acrylic resins, 500 parts of ethanolamine and 5000 parts of water (H2O). The preparation method comprises the following steps of: weighing the raw materials according to the parts by weight; then pouring the styrene-acrylic resins, ethanolamine and water into the material cylinder of a ball mill, and milling for 5-20 minutes to fully mix and dissolve and obtain an emulsion; then pouring the carbon black powder into the material cylinder, and milling with the ball mill for 2-2.5 hours to disperse so that the emulsion and the carbon black powder are sufficiently mixed to obtain slurry; and finally drying the slurry using a dryer to obtain the solid black sheet. The aqueous black sheet provided by the invention has the characteristics of simpleness in package and storage, good environmental protection property, good color development performance, convenience in color mixing, good repeatability and wide application range.
Owner:FOSHAN SHUNDE TIANLONG PIGMENT +1

Ornamental crab breeding pond and ornamental crab breeding method

The invention provides an ornamental crab breeding pond and an ornamental crab breeding method. The ornamental crab breeding pond comprises an inner riverbank, a circulating cooling system, an outer riverbank and a thermal insulation shed which are sequentially arranged from inside to outside. The inner riverbank and the bottom of the crab pond form an inverted-trapezoidal riverbank structure. A sludge layer is arranged at the bottom of the crab pond, and a water layer is arranged above the sludge layer. The outer riverbank is a compact sludge riverbank. The circulating cooling system is fixed by the inner riverbank and the outer riverbank, is arranged above the sludge layer, and communicates with the water layer. The thermal insulation shed is arranged on the inner riverbank. The ornamental crab breeding pond is reasonable in structure, is low in cost, is environment-friendly, and is easy to achieve. The ornamental crab breeding method is reasonable and is easy to carry out, ornamental crabs can be bred all the year through the method, the breeding cost is low, and the method is suitable for large scale application.
Owner:苏州蟹家族生态农业有限公司

Method for preparing novel plasticizer by using waste polyurethane

The invention provides a method for preparing novel plasticizer by using waste polyurethane. The method comprises the following orders and steps: (1) the waste polyurethane is crushed and put in a degradation reaction kettle, and degradation agents and catalysts are added; (2) in a stage of high temperature degradation, a high polymer is turned into an oligomer, mainly, the cross bonds and a part of main chains of the waste polyurethane are controlled to be cracked, so that discharging can be performed, the obtained novel plasticizer is a high molecular weight plasticizer which has the advantages that the novel plasticizer does not volatilize, does not migrate, does not reduce the intensity of plasticized materials basically and has low cost, wastes are converted into useful materials, and new pollution is not generated; (3) a degradation reaction is performed once again without additionally adding the degradation agents, degraded products can be used, and the production cost is reduced.
Owner:青岛三瑞节能环保技术有限公司 +1

Organic rice planting method for rice-lobster co-culture

The invention discloses an organic rice planting method for rice-lobster co-culture. The method comprises the steps: S1. rice field selection: selecting a rice field, and then, digging an annular deepditch along inner sides of border levees; S2. preparation work: disinfecting the rice field and the annular deep ditch by employing quicklime, then, applying an organic fertilizer to the rice field according to 35kg / mu to 45kg / mu, applying the organic fertilizer to the annular deep ditch according to 30kg / mu to 40kg / mu, and planting aquatic plants in the annular deep ditch; and S3. rice growing:transplanting rice seedlings of a rice variety with the same individual size, high stress resistance and excellent quality of rice grain into the disinfected and fertilized rice field. According to the organic rice planting method for rice-lobster co-culture, disclosed by the invention, paddy rice and lobsters can supplement and complement each other, group structures and growth conditions of thepaddy rice can be effectively improved, and thus, a foundation is settled for yield increase and upgrading of the paddy rice; and meanwhile, the organic fertilizer is applied, and precipitates in theannular deep ditch are fished and uniform sprinkled to the field as a rice fertilizer at a shallow water stage of the paddy rice, and thus, ecological organic planting is truly achieved.
Owner:安徽信福乡田生态农业有限公司

Semiconductor thermoelectric material refrigeration platform

The invention belongs to the technical field of refrigeration, and relates to refrigeration equipment of an open working platform, in particular to a semiconductor thermoelectric material refrigeration platform. In order to solve the technical problems in the prior art, the semiconductor thermoelectric material refrigeration platform is provided and comprises a semiconductor refrigeration ceramic chip, a water circulation cooling system, a temperature monitoring and control system and a working platform, the top face of the semiconductor refrigeration ceramic chip makes contact with the working platform, and the bottom face of the semiconductor refrigeration ceramic chip makes contact with the water circulation cooling system. The temperature monitoring and control system is respectively connected with the working platform and the semiconductor refrigeration ceramic chip. The semiconductor thermoelectric material refrigeration platform is energy-saving, environment-friendly, low in cost rise, small in occupied space and suitable for open space, and can provide a working platform with the temperature ranging from room temperature to minus 40 DEG C and freely adjusted for a user to use.
Owner:ZHENGZHOU UNIV

Aqueous white color chip for artificial leather and preparation method thereof

The invention discloses an aqueous white color chip for artificial leather. The color chip is characterized by being prepared from the following raw materials in part by mass: 4,000 to 5,600 parts of titanium white, 2,100 to 3,700 parts of styrene-acrylic resin, 300 parts of ethanolamine, and 5,000 parts of water (H2O). A preparation method comprises the following steps of: weighing the raw materials according to the mass proportion; pouring the styrene-acrylic resin, the ethanolamine and the water into a material cylinder of a ball mill, and grinding for 5 to 20 minutes to ensure that the raw materials are fully mixed and dissolved to obtain emulsion; pouring the titanium white into the material cylinder, grinding for 2 to 2.5 hours by the ball mill, and dispersing to ensure that the emulsion and the titanium white are fully mixed to obtain paste; and finally, drying the paste by a dryer to obtain the solid aqueous white color chip. The aqueous white color chip is easy to package andstore, and also has the characteristics of good environment friendliness, good color development performance, easiness in color mixing, high repeatability and broad applicable scope.
Owner:FOSHAN SHUNDE TIANLONG PIGMENT +1

Technique of enzyme method for treating organic wastewater and matched equipment

The present invention relates to a process for treating organic waste water by utilizing enzyme method. Said process is implemented by making organic waste water successively by passed through the water storage tank or precipitation tank, pH regulating tank, pretreatment device, temperature control device, enzyme reactor and filtration device. It is characterized by that the waste water is fed into the immobilized enzyme reactor from its bottom portion, and undergone the process of one-stage or multistage treatment to implement enzyme catalytic degradation so as to make discharged water meet discharge standard.
Owner:江苏晨翔环境科技股份有限公司

Continuous metallurgical composite production process for copper-clad aluminum rows

The invention relates to a continuous metallurgical composite production process for copper-clad aluminum rows. The process comprises a pretreatment step, a continuous coating step, a welding step, a continuous rolling step, an on-line automatic monitoring step and a diffusion heat treatment step, thereby achieving the following technical effects of: (1) ensuring full uniform combination of copper sheets and aluminum rows, as well as uniform thickness of copper coating; and (2) greatly improving finished-product rate and ensuring yield and quality. Therefore, the production process solves theproblem of producing the copper-clad aluminum rows with various specifications, is particularly applicable to the manufacture of large-size copper-clad aluminum rows, and has huge economic benefit.
Owner:谢洪善 +1

Method for improving eutrophic water body by planting vegetables on water surface

The invention relates to a method for improving an eutrophic water body by planting vegetables on a water surface, which comprises the following steps of: (1) selecting fresh water of which the nitrogen content is more than or equal to 0.5 mg / L, phosphorus content is more than or equal to 0.05 mg / L and potassium content is more than or equal to 0.5 mg / L in a water body; (2) enclosing a vegetable planting area; (3) arranging the vegetable planting area; (4) manufacturing a floating planting bed; (5) selecting vegetable varieties; (6) planting vegetables; (7) managing, namely controlling the speed of water flow according to the growth vigor of the vegetables and a detection result of water quality, so that compared with a water inlet in the planting area, at a water outlet, the total nitrogen content is reduced by 30 to 90 percent, the total phosphorus content is reduced by 20 to 70 percent, and the potassium content is reduced by 10 to 50 percent while the growth vigor of the vegetables is ensured; and (8) selecting the vegetable varieties which is suitable to be planted in different seasons, and planting in turn throughout the year. In the method, the eutrophic water body is improved effectively by a biological cleaning method, and compared with physical and chemical means of managing the eutrophic water body, the method has obvious effect and low investment cost and is convenient to popularize and perform large-scale planting; and the vegetables are planted without applying fertilizer and spraying pesticides, so a new pollution source is not generated, and the planted vegetables reach the standard of green organic vegetables. By the method, resource utilization is maximized, and vegetable baskets of people are abundant while the eutrophic water body is managed. The production management and monitoring are convenient, so the method is particularly suitable for the large-scale planting.
Owner:YUNNAN ZHONGHAI FISHERIES

Water-based color chip for artificial leather and preparation method thereof

The invention relates to a water-based color chip for artificial leather, which is prepared from the following raw materials in parts by mass: 1250-5600 parts of primary color powder, 2100-3700 parts of styrene-acrylic resin, 300 parts of ethanolamine and 5000 parts of water (H2O). The powder comprises titanium white and carbon black. The preparation method comprises the following steps: weighing the raw materials according to parts by mass: pouring the styrene-acrylic resin, ethanolamine and water into a material cylinder of a ball grinder, and grinding for 5-20 minutes until the styrene-acrylic resin, ethanolamine and water are sufficiently mixed and dissolved, thereby obtaining an emulsion; pouring the primary color powder into the material cylinder, and dispersing by grinding with a ball grinder for 2-2.5 hours until the emulsion and primary color powder are sufficiently mixed, thereby obtaining a slurry; and finally, drying the slurry with a drying machine, thereby obtaining the solid water-based color chip. The invention is convenient for color matching and easy for storage, has the characteristics of favorable repetitiveness and wide application range, and can be dissolved in water-based polyurethane and oil-based polyurethane.
Owner:FOSHAN SHUNDE TIANLONG PIGMENT +1

Aqueous black sheet used for artificial leather and preparation method thereof

The invention relates to an aqueous black sheet used for artificial leather, which is characterized by being prepared from the following raw materials in parts by weight: 1250-1750 parts of carbon black powder, 2750-3250 parts of styrene-acrylic resins, 500 parts of ethanolamine and 5000 parts of water (H2O). The preparation method comprises the following steps of: weighing the raw materials according to the parts by weight; then pouring the styrene-acrylic resins, ethanolamine and water into the material cylinder of a ball mill, and milling for 5-20 minutes to fully mix and dissolve and obtain an emulsion; then pouring the carbon black powder into the material cylinder, and milling with the ball mill for 2-2.5 hours to disperse so that the emulsion and the carbon black powder are sufficiently mixed to obtain slurry; and finally drying the slurry using a dryer to obtain the solid black sheet. The aqueous black sheet provided by the invention has the characteristics of simpleness in package and storage, good environmental protection property, good color development performance, convenience in color mixing, good repeatability and wide application range.
Owner:FOSHAN SHUNDE TIANLONG PIGMENT +1

Preparation method of lactic acid Amphibacillus fermentation liquor, and preparation method of lactic acid Amphibacillus fermentation liquor composite antiseptic by using fermentation liquor thereof

The invention provides a preparation method of lactic acid Amphibacillus fermentation liquor, and a preparation method of a lactic acid Amphibacillus fermentation liquor composite antiseptic by using the fermentation liquor thereof. The method of the invention aims at solving the problems of present complex preparation technology of lactic acid Amphibacillus as well as high production cost and low output existed in antiseptic preparation. The preparation method for the fermentation liquor comprises the following steps: activating bacteria liquid; extracting thallus from the activated bacteria liquid of four types bacterium; mixing the thallus, inoculating into a fermentation cylinder for fermenting to obtain the fermentation liquor; culturing the fermentation liquor to finish the preparation of the fermentation liquor. The method for preparing the composite antiseptic comprises the following steps: mixing nisin, natamycin, propionic acid, bamboo leaf antioxidant, chitosan, disodium ethylene diamine tetraacetate, ethanol, tocopherol and activated water; mixing the mixed liquor and the fermentation liquor to react to finish the preparation of the composite antiseptic. The method of the invention has the advantages of simple preparation technology, low cost and high output. The composite antiseptic is used for food antiseptic.
Owner:SUIHUA LANYUAN BIOLOGICAL ENG CO LTD

Preparation method of copper foil antenna

The invention relates to a preparation method of copper foil antenna and comprises the following steps: first, designing the shapes and dimensions of die cutting tools of materials according to requirements; preparing raw materials of double faced adhesive tape, PET, copper foil, PC, transparent PET protective film and exhausting film, respectively preparing tools for die cutting PC, copper foil,transparent PET and main material mesh cloth and installing on the tool seats corresponding to the used die cutting devices, respectively laminating and die cutting the raw material of PC, copper foil, transparent PET and mesh cloth to obtain a tape coiling group winded with initially shaped half-finished products of PC, copper foil and transparent PET and directly obtain the monomer half-finished product of mesh cloth; then placing the tape coiling group of the half-finished products of PC, copper foil and transparent PET on slicing machines to slicing; sticking PC, copper foil and transparent PET sequentially on fixed position on a jointed board to obtain the finally finished product of copper foil antenna. The method can replace the conventional methods to manufacture antennae, can satisfy the requirement on internally installed antennae in mobile phones well, can realize mass production, and opens up a new field for preparation technology of antennae.
Owner:东莞澳普林特精密电子有限公司

A preparing method of a waterproof material used for solid adhesion

A preparing method of a waterproof material that is plastic steel mud used for solid adhesion is disclosed. The material is characterized in that the material includes an A component and a B component which are two components; the A component includes 25-45% by mass of epoxy resin, and 1-5% by mass of phthalate, with the balance being a composition of or one of calcium carbonate, CCR, talcum powder and magnesium reinforcing powder; and the B component includes 20-35% by mass of a polyamide curing agent, with the balance being a composition of or one of calcium sulfate, calcium carbonate and talcum powder. The material has waterproof and mildew-proof properties, high adhesion force and high structural strength, is suitable for adhesion of ceramics, metals, hard plastic, glass, concrete, stone materials, and the like, and is suitable for line and strip waterproofing. The material is free of hidden dirt, wear-resistant, resistant to acids and alkalis, resistant to corrosion, and resistant to high and low temperatures. During a construction process, the material is free of pollution sources, free of pungent smell, and harmless to human bodies. The material is a novel waterproof material for indoor decoration and designing.
Owner:哈尔滨旺得福科技发展有限公司

Multiplication circulating reproduction method for oyster mushroom and pleurotus geesteranus strains

The invention relates to the new technical field of preparation of edible fungus strains, in particular to a multiplication circulating reproduction method for oyster mushroom and pleurotus geesteranus strains. The multiplication circulating reproduction method comprises arranging strain culture rooms with cross-ventilation windows, shades and space of about 40-50 m3 per room, establishing a strain culture bed frame with a multilayer structure in each culture room, performing strain multiplication circulating culture in the bed frame, and matching an interval timer during the culture period to control an air pump to supply oxygen to the strains intermittently so as to facilitate rapid germination and feeding of hyphae; and forming producing culture matrix materials by fermentation, mixing the producing culture matrix materials and the strains during reproduction according to weight ratio, culturing the mixture on the culture bed frame to obtain a first batch of strains, then mixing the first batch of strains and the producing culture matrix materials according to weight ratio, obtaining a second batch of strains by managing culture, and performing circulating multiplication reproduction on the second batch of strains according to the method so as to cultivate the strains with the amount suitable for enough self-arrangement.
Owner:河南九龙农业科技有限公司

Magnetic drive type tapered hole inner surface strengthening equipment

The invention discloses a magnetic force-driven tapered hole inner surface strengthening device in the field of parts surface treatment. The bottom of the cylinder body is vertically placed with a workpiece, and the workpiece is provided with a tapered hole whose large end faces directly above. , the center of the top cover has a top cover through hole communicating with the taper hole, a piston is arranged in the top cover through hole, the piston is fixedly connected to the lower end of the connecting rod coaxially, and the upper end of the connecting rod extends upwards out of the top cover and is fixed Connect the slider, the slider is slidably connected with the upper and lower vertical guide rails, the slider is fixedly connected to one end of the transmission rod at the same time, and the other end of the transmission rod is fixedly connected to the edge of the disc arranged horizontally on the central axis, and the disc is fixedly connected to the center of the shaft. One end of the commutator piece, the other end of the commutator piece is fixedly connected to the coil, the coil is horizontally placed between a pair of magnets, the commutator piece is in contact with the brush, and the brush is connected to the power supply through a wire; the volume is driven alternately by magnetic force, Cavitation enhancement is caused by changing the liquid pressure in the volume, and the strengthening effect is good.
Owner:JIANGSU UNIV

Preparation method of nano high-purity carbon

The invention discloses a preparation method of nano high-purity carbon, which comprises the following steps: introducing nitrogen into a reaction cavity of a microwave plasma reactor to form a plasma flame, then introducing methane into the reaction cavity, and controlling a methane outlet to be 4-6cm away from the root of the plasma flame; and splitting the methane to form the nano carbon particles. According to the preparation method, a microwave plasma device is adopted, nitrogen is used as background gas, plasma flame is formed, and the distance between a methane gas outlet and the root of the plasma flame is strictly controlled to be 4-6 cm. The preparation method is simple and controllable, the conversion rate of methane reaches up to 93% or above, and the purity of nanocarbon is greater than 99.9%.
Owner:ZHUZHOU KENENG NEW MATERIAL CO LTD

A kind of preparation method of broken Ganoderma lucidum spore powder with wet temperature difference and ultra-high pressure

The invention discloses a preparation method of reishi shell-broken spore powder at temperature difference ultrahigh pressure by a wet process. The preparation method comprises the following steps: soaking fresh reishi spore powder so as to absorb water, putting into a centrifugal machine, centrifuging, airing, then putting into an ultralow-temperature refrigerator and liquid nitrogen sequentially, refrigerating so as to obtain the ultralow-temperature wet spore powder with cracked pore shells, then carrying out microwave unfreezing treatment so as to obtain dried shell-broken spore powder, and finally acquiring sterile spore powder with high shell breaking rate under ultrahigh pressure. The method provided by the invention can be used for solving the technical difficulties of low shell breaking rate, food pollution and difficulty in releasing polysaccharide in the processing course; the reishi shell-broken spore powder prepared by the invention has the characteristics of high spore powder shell breaking rate, no pollution source and easiness in absorption of functional inclusions.
Owner:SHANGHAI JIAO TONG UNIV
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