77results about How to "Has antibacterial and bactericidal effect" patented technology

The invention discloses a method of preparing an antibacterial anti-pollution ultrafiltration membrane by adopting a silver-loaded nano composite material. The method comprises the following steps: preparing a nano material water dispersion solution, adding trihydroxymethyl aminomethane and dopamine hydrochloride, stirring and reacting for 2 to 12 hours, centrifugally washing, then drying to obtain a polydopamine-modified nano material; preparing a mixed solution containing the polydopamine-modified nano material, a silver-ammonium solution, a stabilizer and water, stirring for 2 to 12 hours, centrifugally washing, and then drying to obtain the silver-loaded nano composite material; dispersing the silver-loaded nano composite material in an organic solvent, adding a membrane material, stirring, completely dissolving the membrane material, and standing to obtain a membrane casting solution; and scraping the membrane casting solution into a flat membrane by utilizing a flat membrane scraping machine, immersing in a coagulating bath, and carrying out a phase conversion to obtain the antibacterial anti-pollution ultrafiltration membrane. The ultrafiltration membrane has good hydrophilia, durable antibacterial performance and excellent anti-pollution performance, has good antibacterial and sterilization effect for colibacillus, bacillus subtilis and the like; moreover, the silver nano particles stably exist in the antibacterial anti-pollution ultrafiltration membrane.

The invention relates to a compound-type fabric containing liquid metal. The fabric can be completely woven by blended fiber yarn of a liquid-metal-containing fiber, and can also be woven by mixing a natural fiber yarn and blended fiber yarn of the liquid-metal-containing fiber, wherein the liquid-metal-containing fiber is a textile fiber the surface of which is adhered with liquid metal nanoparticles, a tubular textile fiber the pipe of which is filled with liquid metal, or a reticular casing-pipe-type textile fiber which is woven by nanowires and the reticular casing pipe of which is filledwith liquid metal; and the liquid metal is gallium metal, gallium-based alloy, Na-K alloy or wood metal containing indium. The compound-type fabric can be made into a single layer, two layers or three layers according to requirements, can be used as a basic fabric for manufacturing articles such as clothes, trousers, shoes and hats, gloves, stockings, bedclothes and pillowcases and the like, can endow clothing and household articles with temperature adjusting, radiation proofing, electrostatic resisting and sterilizing and antimicrobial functions, has stable performance and high reliability, needs not to be added with other organic components, and can be used for making up the defect of the property singleness of the traditional fabric.

The invention discloses a tetrastlgma hemsleyanum vine polysaccharide extract, a preparation method and application thereof. The method includes: crushing dry tetrastlgma hemsleyanum vine to obtain dry powder, conducting extraction with water, performing filtering, and drying the filtrate to obtain a tetrastlgma hemsleyanum vine aqueous extract, and subjecting the tetrastlgma hemsleyanum vine aqueous extract to ethanol precipitation and two-aqueous phase extraction, thus obtaining the tetrastlgma hemsleyanum vine polysaccharide extract with a polysaccharide content of 53.7%-97.8%. The tetrastlgma hemsleyanum vine polysaccharide extract prepared by the method provided by the invention has antibacterial and bactericidal effects, and can be used for preparation of bacteriostatic and bactericidal articles. If the tetrastlgma hemsleyanum vine polysaccharide extract is prepared into an antibacterial liquid medicine, the medicine liquid can be used as a component in drugs, cosmetics, health food, food and used for bacteriostasis and antibiosis in people, animals and aquaculture process. Besides the original public efficacy of tetrastlgma hemsleyanum, the tetrastlgma hemsleyanum vine polysaccharide extract has new use in drugs, cosmetics, health food and food, and has bacteriostatic and bactericidal effects, thus having broad application prospects.

The invention provides a preparation technique for porous porcelain granules loaded with Ag / N-TiO2 nanometer film, which comprises the preparation of the porous porcelain granules and the manufacture of film on the porous porcelain granules, and is characterized in that: (1) -100 meshes of fly ash and quicklime and -200 meshes of kaolin and glass powder are adopted as raw materials, which are mixed according to the weight ratio of 70: 6: 10:14; TiO2 that accounts for 0.5-1 percent of the total weight of the raw materials, NH4HCO3 that accounts for 20-30 percent of the total weight of the raw materials and water that accounts for 60-65 percent of the total weight of the raw materials, are all added into the mixture mixed by the four raw materials; the new mixture is stirred uniformly to prepare granules with the particle size of 1-2cm, which is immediately placed under microwave for foaming and drying for 1-5min so as to prepare porous porcelain granule billets with the diameter of 2-5cm, and then the billets are sintered for 1h under 1100DEG C to prepare the porous porcelain granules; (2) Ag / N-TiO2 sol is prepared by adopting sol-gel method and the sol is coated on the porous porcelain granules by adopting dipping method, thus obtaining the porous porcelain granules loaded with Ag / N-TiO2 nanometer film after drying and calcining. The sol is evenly coated on the porous porcelain granules, so active constituent does not lose effectiveness under low temperature, thus having good visible light degradation and relatively strong bactericidal effect.

The invention discloses an ethanol extract of radix tetrastigmae leaves as well as a preparation method and application of the ethanol extract. The preparation method comprises the steps of smashing dried radix tetrastigmae leaves to obtain dry powder; extracting by using an ethanol water solution, and filtering to obtain filtrate; and drying the filtrate to obtain the ethanol extract of the radix tetrastigmae leaves. According to the preparation method, bacterium inhibiting and killing components in the radix tetrastigmae leaves are extracted through extracting by using the ethanol water solution, and finally, the ethanol extract of the radix tetrastigmae leaves is obtained. The ethanol extract of the radix tetrastigmae leaves, prepared by using the preparation method, can be used for preparing bacterium inhibiting and killing supplies, can be used for inhibiting and killing bacteria on drugs, cosmetics, health foods and foods as well as bacteria generated in human, animals and aquaculture, and can be used for effectively inhibiting bacterial growth and killing bacteria.

The invention discloses a moisture-resistant breathable wood floor and a manufacturing process thereof. The moisture-resistant breathable wood floor comprises wood floor with four tongued and grooved sides, wherein the upper surface of the wood floor is provided with a plurality of through holes; the central axis of any through hole is perpendicular to the surface of the wood floor; the upper surface of the wood floor where any through hole is formed is also provided with a blind hole with the same central axis as any through hole; the aperture of the blind hole is 10 mm larger than the aperture of any through hole; and the depth of each blind hole is 3 mm. The manufacturing process of the wood floor comprises the following steps of: firstly, forming the through holes and the blind holes on the wood floor; and then, drying, painting and riveting. Special moisture-proof oil consisting of tung oil, castor oil and cedar oil is used in the process. The wood floor has the advantages of moisture resistance, breathability, antibacterial property, health care and massage.

Provided are a modified nanometer bamboo charcoal mask and a manufacturing method thereof. The modified nanometer bamboo charcoal mask comprises an inner mask and an outer mask, wherein the inner mask is provided with a dismounting opening, and a filer layer is arranged in the dismounting opening. The inner mask and the outer mask of the mask and a filer layer base plate are made of an electrets melt-blowing polypropylene fiber non-woven fabrics, the filer layer uses chitosan as a capsule wall material, microcapsules are made from modified nanometer bamboo charcoal powder, beewax is used as an adhesive for arranging the microcapsules on the non-woven fabrics. The modified nanometer bamboo charcoal powder are modified by adopting nanometer titanium dioxide. The modified nanometer bamboo charcoal mask is green, environment-friendly, safe and efficient, has the broad-spectrum antibacterial effect and has good washability due to the fact that the beewax is used as the adhesive to arrange the microcapsules on the non-woven fabrics.

The invention discloses a preparation process of an efficient filter cotton used for coating. The preparation process comprises the following steps: S1, cotton mixing: matching fiber according to preset proportion as required, weighing initial weight and then pouring into a stirrer to be stirred by rotation of a machine; S2, opening; S3, carding: carding to uniform thickness, delivering a uniformly distributed cotton layer to an upper screen, and paving into a net by a shaking screen; S4, net paving: swinging in a reciprocating way by the shaking screen, paving into a uniform net layer and then sending into an oven by a bottom screen; S5, sizing with hot air: enabling low-melting-point fiber to cohere various fibers together so as to form synthesized cellucotton; S6, sizing with cold air and trimming and curling: enabling the synthesized cellucotton to be subjected to sizing with cold air, then determining the thickness of the cellucotton by a pressure shaft, then trimming with a preset value, cutting off with a thermofuse after the length reaches a preset value, and then coiling. The filter cotton in the field of high-grade paint coating, prepared by the method provided by the invention, is formed by mixing two-dimensional and three-dimensional superfine fibers, and such fiber has antibacterial and germicidal effects.

The invention relates to an externally applied preparation for treating skin wound, in particular to an externally applied preparation for treating chronic skin ulcer, which is characterized in that it comprises the effective components in weight as follows: insulin 500-5000u / 1000g, epidermal growth factor 0.001-0.01g / 1000g, antibacterials 5-20g / 1000g, others are adjuvant. It can treat a variety of infectious and protracted skin ulcer safely and effectively.

The invention provides an automobile air freshener and a preparation method thereof. The automobile air freshener comprises, by weight, 10-15 parts of lemon peel extract, 10-15 parts of pomelo peel extract, 10-15 parts of peppermint extract, 10-15 parts of onion extract, 10-15 parts of Artemisia argyi extract, 15-20 parts of lemon balm extract, 10-15 parts of acetic acid, 15-20 parts of Maya blue liquid, 5-10 parts of copper barium silicate and 5-7 parts of distilled water. The preparation method of the automobile air freshener includes the steps of preparation of the raw materials, extraction of the extract, dosing, blending and the like. The automobile air freshener and the preparation method thereof have the advantages that harmful gases of formaldehyde, benzene and the like in an automobile can be effectively reduced in concentration through physical adsorption and chemical reaction by the ingredients contained in the automobile air freshener, peculiar smell in the automobile is effectively removed, and fragrance spread out is fresh and natural so as to make people mentally relaxed and pleasant in mood.

The invention discloses an outdoor ecological and environment-friendly ceramic tile with antibacterial and self-cleaning functions and a preparation method of the ceramic tile. The ceramic tile comprises a green body and a nano titanium dioxide film covering the front side of the green body, wherein the green body is prepared from components in parts by weight as follows: 15-20 parts of potassium-sodium feldspar A, 8-12 parts of hard high-aluminum clay, 15-20 parts of potassium-sodium feldspar B, 15-20 parts of potassium-sodium feldspar C, 10-15 parts of kaoline, 10-15 parts of Guangxi white mud, 1-2 parts of talc, 4-8 parts of bentonite and 10-15 parts of high-plasticity clay. By means of double processes of high-temperature calcination and low-temperature spraying, the nano titanium dioxide film with a certain thickness is obtained on the surface of the ceramic tile, the product can completely kill bacteria on the surface under the irradiation of light, and the outdoor ecological and environment-friendly ceramic tile has antibacterial and sterilization effects.

The invention relates to a Chinese medicinal composition for treating burns and scalds. The Chinese medicinal composition is composed of, by mass: 3-5 parts of propolis, 0.5-1 part of borneol, 5-15 parts of phellodendron, 10-20 parts of beeswax, 5-10 parts of Sanguisorba officinalis, 5-10 parts of radix rehmanniae, 5-10 parts of Rhizoma Coptidis, 5-10 parts of rhubarb, 5-10 parts of Scutellaria baicalensis, 1-3 parts of lithospermum, and 450-550 parts of sesame oil. The preparation method of the Chinese medicinal composition includes: grinding borneol, radix rehmanniae, Rhizoma Coptidis, and lithospermum into a fine powder respectively, and sieving the powder by a sieve of 80-120 meshes for standby use; putting sesame oil and beeswax into a pot, conducting heating and stirring simultaneously, and after melting of the beeswax, performing cooling to 70-80DEG C, adding borneol, further conducting cooling to 40-50DEG C, adding the residual components, stirring the mixture uniformly, thus obtaining a thick paste or paste. The Chinese medicinal composition provided by the invention solves the problems of long treatment cycle and slow effect in existing ointments for treating burns and scalds, has the effects of clearing away heat and toxic materials, removing necrotic tissues and promoting granulation, relieving pain, promoting blood circulation and removing blood stasis, and can effectively prevent infection and inhibit scar hyperplasia.

The invention provides multilayer compound geomembrane used for soil remediation. The multilayer compound geomembrane used for soil remediation comprises a weather-resistant layer, a compound anti-corrosion and impervious layer and a weather-resistant layer from top to bottom in sequence; the weather-resistant layers and the compound anti-corrosion and impervious layer bond through a bonding agentseparately; the weather-resistant layers are produced from one of teflon and polyvinylidene fluoride; and the compound anti-corrosion and impervious layer is formed by making glycidyl methacrylate-grafted high-density polyethylene and a polymer, which is formed by conducting condensation polymerization on 2,2-bis(3-amino-4-hydroxyphenyl)hexafluoropropane and thiazolidine-2,4-dicarboxylic acid, subjected to blending and grafting, and then doped with surface-modification crystalline flake graphite. The invention furthermore discloses a production method of the multilayer compound geomembrane used for soil remediation. The multilayer compound geomembrane used for soil remediation has the advantages of excellent weather resistance, corrosion resistance, flame retardancy and impervious performance, and a longer service life.

The invention relates to the technical field of ant insecticides, in particular to an ant repelling agent and a preparing method thereof. The ant repelling agent is mainly prepared from 16-17 parts ofcamphor tree leaves, 15-17 parts of walnut leaves, 16-18 parts of tobacco leaves, 13-15 parts of basil, 14-16 parts of coleus blumei, 10-15 parts of rhoeo discolor, 11-12 parts of common lantana leaves, 10-13 parts of canna indica, 10-11 parts of bitter buttons, 9-10 parts of herb of Grace, 8-10 parts of mint, 6-8 parts of clove, 3-4 parts of cinnamon, 5-7 parts of black pepper, 5-7 parts of eggshell powder, 20-25 parts of organic solvent and the like. The agent has a remarkable ant repelling and killing function, the shelf life of the agent is prolonged, the use of chemicals is reduced, thesafety threats on the environment and human beings are reduced, the preparing method is simple, and production is easy.

The invention provides an environment-friendly bamboo charcoal mask and a manufacturing method thereof. The mask comprises an inner mask body and an outer mask body, the inner mask body is provided with a detachment opening, a filtering layer is arranged in the detachment opening, the inner mask body, the outer mask body and the filtering layer are all made of electret melt-blown polypropylene fiber non-woven fabrics, chitosan serves as a capsule wall material of the filtering layer, nanometer bamboo charcoal powder serves as a core material to be made into micro capsules, and the microcapsules are arranged on the non-woven fabrics through beewax serving as adhesive agents. The chitosan, the bamboo charcoal powder and the beewax are all natural materials, the obtained product is environmentally friendly, safe and efficient and has a broad-spectrum antibacterial function, the microcapsules are arranged on the non-woven fabrics through the beewax serving as the adhesive agents, and good washability is achieved.

The invention provides a cationic rosin size emulsifier and a preparation method thereof. The cationic rosin size emulsifier is prepared from dimethylaminoethyl methacrylate, styrene, chitosan, glacial acetic acid, water, acrylic acid, acrylamide, potassium sodium tartrate and an initiator. The obtained emulsifier has a good stability, can be used to directly emulsify rosin, and has the advantagesof small use amount, good effect and low cost, a rosin size emulsion obtained after emulsification has nanoscale particles and a stable quality, and can be stably stored (at -5 to 50 DEG C) for a long time; and the rosin size emulsion obtained after emulsification is applied to sizing, has the advantages of small use amount of other sizing additives, small use amount of a sizing agent, good effect and low cost, and makes sized paper have certain antibacterial and bactericidal effects and good durability.

The invention belongs to the field of inorganic nonmetal materials, particularly belongs to a preparation method of an anti-bacterial tooth growing and repairing material, and relates to a growing and repairing anti-bacterial tooth material used in an alveolar cavity without a tooth or on the surface of an incomplete tooth. The anti-bacterial tooth growing and repairing material comprises the following main ingredients: apatite crystals containing silver, copper, calcium and phosphorus, titanium oxide and zinc oxide. Under the regulation and control effect of a binary polyelectrolyte compound consisting of water-soluble cationic polyelectrolyte and organic polyatomic acids, ingredients of the tooth growing and repairing material are synthesized with soluble calcium salt, soluble phosphate, copper sulfate and silver nitrate salt, a crystal natural growing method is used, and a dental matrix comprising the apatite crystals containing the silver, the copper, the calcium and the phosphorus, the titanium oxide and the zinc oxide are subjected to adsorption reaction fully. Crystalline grains of the anti-bacterial tooth growing and repairing material are in nanoscale, the copper and the silver can be fine and are uniformly distributed in the tooth growing and repairing material, diameters of metal particles are 30-80 nanometers, and the anti-bacterial tooth growing and repairing material can release anti-bacterial elements quickly and continuously.

The invention belongs to the field of inorganic nonmetallic materials, particularly discloses a hydrothermal synthesis method for preparation of a nano antibacterial tooth enamel layer and relates to attachment of the antibacterial tooth enamel layer in a general thickness of 0.2-0.8mm onto the surface of an artificial tooth, wherein the antibacterial tooth enamel layer is mainly made from apatite crystals containing silver, copper, calcium and phosphate. Under the control of a dual-polyelectrolyte compound consisting of water-soluble cation polyelectrolyte and organic polyatomic acid, the artificial tooth is put into soluble calcium salts, soluble phosphates, copper sulfate and silver nitrate salts to realize synthesis to finally cover the artificial tooth with the antibacterial tooth enamel layer in the general thickness of 0.2-0.8mm. The antibacterial tooth enamel layer is mainly made from apatite crystals containing silver, copper, calcium and phosphate, and crystal grains of the enamel layer are nanoscale crystal grains, so that copper and silver metallic particles smaller in size can be distributed in the enamel more uniformly; the metallic particles are 30-80nm in diameter, and antibacterial elements can be released quickly and constantly.

The invention relates to the field of fermentation of microbes and particularly relates to a method for preparing a special lactic acid bacteria synergized culture medium for pickled vegetables and anapplication of the special lactic acid bacteria synergized culture medium. The method comprises the steps of subjecting two kinds of lactic acid bacteria to amplification-culturing, proportionally mixing amplification-cultured seed solutions, inoculating a spicery solution with the solution mixture by an inoculum size of 0.1% to 30%, carrying out fermentation in advance for 6 to 48 hours to obtain the special lactic acid bacteria synergized culture medium for the pickled vegetables, then, mixing the obtained special lactic acid bacteria synergized culture medium with pretreated jerusalem artichoke proportionally, and continuing to carry out fermentation for 2 to 7 days. According to the method and the application, by taking jerusalem artichoke tuber-jerusalem artichoke leaf as a fermentation synergizing matrix and optimizing a synergizing matrix for culturing lactic acid bacteria applicable to processing of jerusalem artichoke pickled vegetables, discovered that jerusalem artichoke tubers and jerusalem artichoke leaves can serve as a synergizing culture medium and the bacterial inhibition of fermentation broth can be enhanced by employing the jerusalem artichoke tubers and the jerusalem artichoke leaves, and the appropriate addition range of the jerusalem artichoke tubers and the jerusalem artichoke leaves is determined.

The invention discloses a flame-retardant temperature-regulating environment-friendly non-woven fabric and a preparation method thereof. The preparation method comprises the following steps: graftingamino and nano-silver on the surface of a modified carbon nanotube, introducing the modified carbon nanotube into a non-woven fabric base material, grafting sulfydryl and hydroxyl on a temperature-regulating capsule to modify the modified temperature-regulating capsule, respectively preparing a cationic flame-retardant coating and an anionic flame-retardant coating, sequentially coating thenon-woven fabric base material with a modified temperature-regulating capsule coating, the cationic flame-retardant coating and the anionic flame-retardant coating, and adsorbing polyelectrolyte or nanoparticles with opposite charges between the coatings by utilizing intermolecular force between the coatings and the non-woven fabric base material. Thus, the non-woven fabric with flame-retardant and temperature-regulating functions is constructed within a nanoscale range, a core material in the prepared non-woven fabric temperature-regulating capsule is not prone to leakage, the adhesive force betweenthe coatings is good, the non-woven fabric is more washable, meanwhile, the non-woven fabric has a certain antibacterial function, and market requirements can be met.

The invention discloses a transparent engineering resin formula capable of absorbing electromagnetic waves and a transparent cup prepared from the transparent engineering resin capable of absorbing the electromagnetic waves. The transparent engineering resin capable of absorbing the electromagnetic waves comprises, by mass, 40-70 parts of base resin, 5-10 parts of methyl silicone resin, 5-10 partsof polypropylene, 6 to 10 parts of phase solvent aromatic hydrocarbons, 0.5 to 8 parts of nano antibacterial bactericidal particles, 5 to 15 parts of zinc oxide particles, and 2 to 8 parts of cobaltoxide. The preparation method of the formula is as follows: a, mixing the base resin, an nitiator and the nano antibacterial bactericidal particles, b, irradiating the mixed material with the electromagnetic waves, c, modulating after the electromagnetic wave irradiation, d, performing terahertz wave oscillation radiation after the modulating, e, screening and filtering, and f, packaging after testing. And a transparent cup made of transparent engineering resin that absorbs electromagnetic waves. The transparent engineering resin formula capable of absorbing the electromagnetic waves is used for solving the defects of resin products in the prior art.

The invention discloses a sound insulation pad for an automobile and a preparation method of the sound insulation pad. The sound insulation pad for the automobile is prepared from two elastic fiber layers and a modified fiber layer arranged between the two elastic fiber layers, wherein each elastic fiber layer is prepared from low-melting-point fibers, cotton and PET (polyethylene terephthalate) fibers in a weight ratio being 0.95:1:1, and the modified fiber layer is prepared from modified anti-bacterial and mildew-proof fibers, low-melting-point PET fibers, regenerated fibers, corn fibers and chitin fibers; the modified anti-bacterial and mildew-proof fibers are prepared from garlic residues, medical stone, diatomite, litsea cubeba oil and PET particles. An interlayer bonding process adopts needling reinforced bonding, and the conditions that traditional sound insulation pad bonding glue reduces the sound insulation effect and emits harmful gas are avoided; the sound insulation pad for the automobile is low in production cost and high in environmental protection performance, increases acoustic absorptivity of high-and-low-frequency waves, has bacteriostatic and bactericidal effects as well as effects of purifying air and regulating air conditions, and can release anions and improve air quality in the automobile.

The invention relates to the technical field of podocarpus macrophyllus planting, in particular to a rapid growing method of podocarpus macrophyllus. The method includes the steps that after cutting propagation is conducted with twigs as cutting slips, the steps of land selection and conditioning, furrowing and ridging, transplanting, fertilizing, field management and the like are conducted, wherein the soil conditioner is mainly prepared from sulphur, quick lime, alkali waste, ammonium phosphate, phosphogypsum, sodium alkyl benzene sulfonate, saccharomycetes, rhizopus, bacillus subtilis, nitrifying bacteria and the like; root immobilizing soil is mainly prepared from pond sludge, fen sludge, sugar filtration sludge, nitrogen-fixing bacteria, trichoderma sp, aspergillus, potassium permanganate, starch-grafted acrylate, alginic acid, heparin and the like through fermentation. According to the rapid growing method of podocarpus macrophyllus, rich and balanced nutrient substances are provided for podocarpus macrophyllus, so that podocarpus macrophyllus grows healthily and rapidly, the survival rate is greatly increased, and thus the economic benefit of podocarpus macrophyllus is increased.

The invention discloses a fragrant environment-friendly plastic film material which is prepared from the following raw materials in parts by weight: 50-60 parts of degradable plastic masterbatch, 20-25 parts of a polyolefin elastomer, 10-15 parts of a spherical powder of silicone, 10-15 parts of glass fibers, 5-9 parts of activated carbon, 3-7 parts of a plasticizer, 5-9 parts of dried sweet potato residues, 10-14 parts of nano-zinc oxide, 3-8 parts of a dispersant, 3-5 parts of a nano-copper powder antibacterial agent, 3-5 parts of cyclodextrin-modified polyether, 2-4 parts of a photodegradant, 1-3 parts of rose essential oil and 2-4 parts of silicone oil. The fragrant environment-friendly plastic film material provided by the invention is low in cost, and also has excellent flame retardancy and electrical conductivity and relatively high tensile strength; the spherical powder of silicone is added so that a finished product of the film material has characteristics of chemical resistance, stable heat resistance, ultraviolet resistance, weather resistance, improved dispersion processability and the like; and the rose essential oil is added so that a film product has fragrant smell and also has antibacterial and bactericidal effects.

The invention discloses a composting sewage environmental-friendly recycling system. An artificial permeation pond is constructed, water is subjected primary filtration and purification through a river impact sand layer and a marble sand layer in the artificial permeation pond, toxic substances in the water are subjected to further adsorption treatment through an activated carbon layer at the bottom of the artificial permeation pond, finally filtration treatment is implemented through a ceramic filtering membrane, then water quality meets a recycling degree, sewage can be immediately used after multiple steps of purification treatment, and difficulties of factory shutdown, agricultural yield reduction and the like caused by water shortage can be alleviated; due to adoption of silicon carbide, the ceramic filtering membrane can form a cordierite phase, due to adoption of cerium oxide, formation of spinel can be inhibited, the silicon carbide and the cerium oxide are capable of synergistically increasing the resultant force of a granule neck structure, uniform pore size distribution can be achieved, and the filtration efficiency of the ceramic filtering membrane can be improved; in addition, due to adoption of nano titanium dioxide and nano silica, the ceramic filtering membrane has an antibacterial and sterilization function, and the sewage purification capability of a system can be further improved.

The invention relates to an antibacterial woolen yarn, which is characterized in that the antibacterial woolen yarn is formed by respectively twisting a carbon fiber yarn coated with an insulating layer with a yarn layer and a woolen yarn layer from inside to outside. The yarn layer is formed by twisting three to five strands of thin yarns; and the woolen yarn layer is formed by twisting three to four strands of woolen strips. The antibacterial woolen yarn has excellent flexibility, capacity of washing, high tensile strength and corrosion resistance, and can be widely applied to manufacturing various heating and thermocuring sweaters, woolen underpants, body-building pants, woolen vests, motor garments and other knitted dresses, and electric carpets, electric blankets, tents, sleeping bags and other knitting supplies.

The invention relates to a nostoc sphaeroids kutz polyculture method. The method comprises the steps of nostoc sphaeroids kutz algae species polyculture domestication, polyculture medium preparation,inoculation, fermentation tank polyculture and the like. Review bioactive water adopted by the method disclosed by the invention is brand-new agricultural water, has rich nutrition and antibacterial and bactericidal effects, can provide nutrition for nostoc sphaeroids kutz in polyculture, and can also play a role in preventing infectious microbe pollution. EOW (acidic electrolyzed oxidizing water)is used for spectral sterilization, is non-toxic and harmless to nostoc sphaeroids kutz, has little harm to the nostoc sphaeroids kutz, effectively protects the activity of nostoc sphaeroids kutz algae cells, is beneficial to human bodies, and does not bring food safety risks. The nostoc sphaeroids kutz algae species with strong polyculture adaptability are obtained by combining ultraviolet raysand an organic carbon source for domestication culture. A dissolved oxygen index is used as an alarm signal, so that light and dark alternate culture regulation and control are effectively realized, and the poison of the dissolved oxygen to the polyculture nostoc sphaeroides is effectively avoided. A heterotrophic carbon source is hydrolytic enzymolysis starch, so that the diversity of heterotrophy to the existence form of the carbon source is increased. In the polyculture mode, the nostoc sphaeroids kutz grows in a photoautotrophic mode, and grows in a heterotrophy mode, the whole heterotrophy process is in a relatively sterile state, and the influence by the outside is small.