127results about How to "Abundant and cheap raw materials" patented technology

The present invention discloses a preparation method of a complex lithium negative pole of a solid state battery, and belongs to the technical field of electrochemistry and new energy resources. The preparation method mainly comprises the steps: depositing lithium metal on three-dimensional carbon material or foam porous material gaps by using a heat infusing melting method or an electrodeposition method to obtain the complex lithium negative pole, wherein the application of a three-dimensional framework plays two roles, namely, providing adequate space for pre-storing lithium in the preparation process; providing a carrier for receiving metal lithium in a battery circulation process. The complex lithium negative pole can be widely applied in lithium metal batteries such as lithium ion batteries, lithium-air batteries, lithium-sulfur batteries, and solid state batteries. In the assembled symmetric solid state battery, under large electric current density of 5mA cm-2, a stable voltage decay (200mV) can still be kept after circulation for 100 times, in the battery circulation, the growth of lithium dendrites can be inhibited and the pole volume change can be stabilized, and the advantages of being good in circulation stability, and long service life can be realized; in the present invention, a carrier material is rich, and low in price; the process is controlled, the cost is low, and the batch production can be realized.

The invention discloses a method for preparing biomass activated carbon through vacuum freeze drying. The method comprises the following steps: performing steps of raw material crushing, acid treatment, activation soaking, freeze drying, high-temperature activation, acid pickling and the like, performing hydrothermal reaction on biomass raw materials with an acid solution, and further performing freeze drying treatment, thereby obtaining the biomass activated carbon. Compared with the prior art, the method has the advantages that the raw materials are rich and cheap, and rural wastes can be reused; by using a hydrothermal treatment technique in an acid environment, a part of substances in the biomass raw materials can be reduced, and porous loosened structures of the biomass raw materials are maintained; by using a vacuum freeze drying technique, original porous flurry structures of the biomass raw materials can be maintained to the maximum extent, the specific surface area of a product can be increased, and pore structures can be enriched; the biomass activated carbon prepared by using the scheme of the invention is high in specific surface area, rich in pore structure and excellent in synergic adsorption property of water body dye molecules and heavy metal ions, and has significant industrial application values.

The invention relates to a method for preparing a phosphorus-containing organosilicon flame retardant, and provides a method for preparing a phosphorus-containing flame retardant, which has the advantages of rich raw materials, low cost, simple production technology, no HCl generated in a reaction, and recyclable by-products of the reaction to solve the technical problems. The preparation process comprises the following steps of: reacting an active phosphorus compound with a hydroxyl-containing polysiloxane in the presence of a catalyst, wherein the molar ratio of the active phosphorus compound to the hydroxyl-containing polysiloxane is 1:1-20; and after the reaction, filtering, and steaming to remove low-boiling-point substances to obtain the product of the phosphorus-containing organosilicon flame retardant.

The invention discloses a method for preparing a porous carbon material for an electrochemical capacitor from egg white used as a raw material, and belongs to the technical field of novel energy sources. The preparation method comprises the following steps: firstly adding neutral salts or an organic solvent into egg white used as the raw material to separate out protein, and carrying out high-temperature pre-carbonization on the protein so as to obtain a carbon precursor; then obtaining the high-performance porous carbon material for the supercapacitor by use of an alkali metal hydroxide activation method, wherein egg white is taken as a raw material. The method disclosed by the invention is capable of using biological materials and has the advantages of novel raw materials, low cost and wide sources, the porous carbon material prepared has the advantages of rich microporous / mesoporous multi-level pore structures, high specific surface area and excellent electrochemical capacitance performance and has broad application prospects in the field of electrochemical capacitors.

A pond-lake heavy-metal pesticide fertilizer pollutant solidifying removing agent relates to the technical field of disinfectants, and is composed of the following raw materials: 450-600 parts of montmorillonite, 150-300 parts of silicate clinker, 80-150 parts of quicklime, 50-100 parts of modified starch, 10-30 parts of plaster, 3-6 parts of glucoside, 5-10 parts of alum, and 3-8 parts of calcium chloride. The beneficial effects comprise that the employed raw materials are abundant and cheap, the preparation technology is simple, the agent is applicable to pollution cleaning of large-scope water body of ponds, lakes and rivers, is capable of rapidly thoroughly eliminating organic harmful substances, chemical pesticides and harmful microbes and heavy metals in water body, has improving eliminating effect on total phosphorus and total nitrogen in eutrophic water, has growth-controlling effect on algae in water body, and has water-bottom anti-permeation effect and effect of preventing heavy metals from permeating and polluting water resource.

The invention discloses a cashew novolac epoxy resin and a preparation method thereof. The preparation method comprises the following steps in sequence: reacting anacardol with formaldehyde under the effect of a catalyst, so as to obtain reddish-brown liquid cashew novolac resin; reacting the cashew novolac resin with epichlorohydrin for 4 hours at 80 to 120 DEG C under the catalyzing effect of quaternary ammonium salt; cooling the reactant to reach 70 DEG C; respectively adding alkali at 8 to 12 times within 2 hours; reacting for 1 to 6 hours at 70 to 90 DEG C; washing with hot water until appearing neutral; standing to stratify; removing the water layer; and reducing the pressure and distilling to remove excessive epichlorohydrin, so as to obtain the reddish-brown liquid novolac epoxy resin of which the epoxy value is of 0.17 to 0.23eq / 100g. The preparation method is simple and convenient, and the reaction condition is mild; and the prepared cashew novolac epoxy resin is the polyfunctional epoxy resin with both benzene ring and long alkyl chain, combines the high thermal stability of phenolic resin and the hyperresponsiveness of the epoxy resin, and is applicable to ecological plastics and coatings.

The invention discloses a method for preparing a composite sodium negative electrode for a sodium-ion battery and belongs to the field of new energy materials. According to the method disclosed by the invention, metal sodium is deposited in gaps of a three-dimensional carbon material or a foamed porous material and other carriers through a hot infusion melting method or an electrodeposition method, so that the composite sodium negative electrode is prepared, wherein the three-dimensional carbon material is applied to providing a sufficient space for pre-stored sodium in the preparation process and providing a carrier for receiving the metal sodium in the battery cycle process. The composite sodium negative electrode can be widely applied to the sodium-ion battery, a sodium air battery, a sodium-sulfur cell and other sodium metal batteries, is assembled into a sodium-ion symmetric cell to still keep a stable voltage platform under high current density, is capable of inhibiting sodium dendritic growth and stabilizing volume change of the sodium electrode in the battery cycle process, and has the advantages of good cycling stability, long service life and the like. The method disclosed by the invention is rich and cheap in carrier materials, controllable in preparation process, low in production cost and capable of realizing batch production.

The invention relates to a method for preparing ordered mesoporous carbon microspheres. The method is characterized by comprising the following steps: by using a biomass resource as a raw material, and using a surfactant as a soft template, pretreating under hydrothermal environment, carbonizing at high temperature, and removing the soft template, so as to obtain the ordered mesoporous carbon microsphere with adjustable pore shapes; adjusting a usage ratio of the raw material and the soft template, carbonizing time, temperature and other parameters, so as to realize the controllable preparation of an ordered mesoporous structure. The method has the main characteristics that the biomass resource is used as the raw material, so that the cost is low, the obtaining is easy, the production cost is reduced, the sustainable development of carbon is realized, and the reutilization of the resource is effectively promoted; by utilizing the action of self-assembly of the soft template under the carbonizing condition and the function of a biomass-based carbon precursor, the ordered mesoporous structure with different mesopore shapes is formed.

The invention discloses a preparation method of cuprous sulfide powder and the cuprous sulfide powder. The preparation method of the cuprous sulfide powder comprises the following steps: allowing cuprous oxide and a sulfurizing agent solution to react and filtering to obtain a cuprous sulfide precursor; calcining the cuprous sulfide precursor in vacuum to obtain the cuprous sulfide powder. According to the preparation method of the cuprous sulfide powder, the cuprous oxide and the sulfuring agent react, the cuprous sulfide precursor is prepared by adopting a precipitate transformation method and is calcined in vacuum to prepare the cuprous sulfide powder. The method is rich in cheap raw materials, low in cost, simple in preparation process, mild in condition, good in controllability, high in production efficiency, easy to realize industrialization, free of pollution and wide in development prospect in the field of preparation of superfine powder; the prepared cuprous sulfide powder is high in purity, good in crystal form, good in dispersity, stable in structure, easy to coat, dope, sinter and the like, and applicable to the fields of solar batteries, seawater batteries, sensors, catalysts and the like.

The present invention relates to a method for preparing highland barley bran oil from highland barley bran, specifically to a method for preparing highland barley bran oil from highland barley bran using a water-enzyme method, pertaining to the field of grain and oil deep processing technique. The method includes: firstly performing enzymolysis to the highland barley bran, and then adopting a three-phase separation extraction method, solvent extraction or cold demulsification extraction method to extract highland barley bran oil, wherein, the enzymolysis to the highland barley bran is divided into a method of performing direct enzymolysis to the highland barley bran or a method of firstly alkali extraction and then performing enzymolysis enzymolysis barley bran. The inventive water-enzyme method has a environmental-protecting type extraction process and good safety; in addition, the enzymolysis condition is mild, and can achieve the object of simultaneously using the lipid and protein, and the oil has not been processed under high temperature, thereby improving the quality of the extracted lipid; the invention has improved oil yield; the lipid obtained by the water-enzyme method does not require the degumming process, thereby simplifying the lipid refining process. Therefore, the inventive method has stronger industrialization practicability and operability.

The invention provides a tobacco humectant. The tobacco humectants is the compound 3,3',4',5,7-pentahydroxyflavone-3-rue glucoside and is used for moisturizing cigarettes, tobacco shreds and tobacco sheets. 3,3',4',5,7-pentahydroxyflavone-3-rue glucoside is a polyphenol glycoside compound in tobacco and is one of important fragrance precursors affecting the quality of flue-cured tobacco. A series of substances generated through degradation in the curing and mellowing processes can provide the tobacco with a graceful fragrance and increase the fragrance amount, and particularly glycogen generated through the degradation can increase the feeling of liquid engendering and sweet after taste. 3,3',4',5,7-pentahydroxyflavone-3-rue glucoside is a tobacco endogenesis compound, and is coordinate with the tobacco fragrance, free of the safety problem of adding tobacco exogenous substrates and obvious in physical and sense organ moisturizing effect.

The invention discloses self-catalytic anacardol / lignin-based polyurethane foam and a preparation method thereof. The preparation method comprises the following steps: utilizing anacardol and lignin renewable resources, introducing active alcoholic hydroxyl and tertiary amine groups into a molecular structure through chemical modification, and synthesizing high-activity polyether polyol with self-catalytic characteristics; and performing cross-linked foaming with isocyanate, thereby obtaining the biomass-based polyurethane foam. A catalyst does not need to be added in the process of preparing the anacardol / lignin-based polyurethane foam. According to the invention, the active alcoholic hydroxyl and the tertiary amine groups are introduced into anacardol and lignin molecules by virtue of chemical modification, so that the prepared polyether polyol has the self-catalytic characteristics and has high cross-linking reaction activity with the isocyanate; and moreover, the prepared polyurethane foam is the biomass-based polyurethane foam coming from natural renewable resources, the catalyst does not need to be added in the preparation process, and the method has environmental compatibility and is green and environmental-friendly.

The invention relates to a special complete nutrient solution and organic matrix integrated cultivation mode for strawberries. Waste residues after cultivation of crop straws and edible mushrooms and organic wastes such as animal excrement are subjected to innocent treatment to serve as a cultivation matrix of the strawberries; a water-soluble fertilizer is made into a complete nutrient solution according to the fertilizer requirement law of the strawberries; and water and nutrient elements are supplied to root system areas of the strawberries by a water and fertilizer integrated manner. The cultivation mode for the strawberries has the characteristics of safe fertilizing, water saving, labor saving, low cost, high availability of matrix raw materials, high fertilizer utilization rate, prevention of soil-borne diseases and successive cropping obstacle, and the like. The strawberries produced by the technical mode have the characteristics of high yield, attractive appearance, high size uniformity, rich nutrient, low pesticide residue, good taste, bright color, high commodity rate and the like.

The invention relates to a special full-value nutrient solution and organic substrate integrated cultivation mode for a cucumber, which comprises the steps that organic waste such as crop straws, waste residues after edible fungi cultivation and animal excrement serves as a raw material, and serves as a cucumber cultivation substrate to replace soil through innocent treatment; a full-value nutrient solution is prepared by a water soluble fertilizer according to a fertilizer requirement rule of the cucumber; and moisture and nutrient elements are supplied to a root area of the cucumber in a water and fertilizer integration manner. The cultivation mode for the cucumber has the characteristics that the cultivation mode is safe in cultivation, water-saving, labor-saving, low in cost, and high in fertilizer utilization rate, avoids soil-borne diseases, and the raw substrate is easy to get; compared with common soil cultivation, the cucumber produced in the technical mode has the characteristics that the cucumber is high in yield, rich in nutrition, low in pesticide residue, straight in shape, light green in color, less in deformation and high in commodity rate, and people have no unsmooth feel when eating the uncooked cucumber; and the high-yield and high-quality cucumber can be produced in places where normal agricultural production cannot be conducted, such as heavy saline-alkali land, poor ridge land and abandoned industrial and mining land.

The invention discloses a preparation method for electro-catalysis hydrogen evolution copper nanometer particles / carbon nanofiber hybrid materials. The static spinning technology is used for preparing composite nanometer fiber of copper salt and high-molecular polymer, and then the chemical vapor deposition method is used for calcination to obtain carbon nanofiber loaded with copper nanometer particles. The method is simple in technological process and low in preparation cost, the obtained copper nanometer particles are uniform in distribution and small in particle size, the catalysis activity is excellent, and the stability and repeatability are good.

The invention discloses a light cement and bamboo composite and a manufacturing method thereof. The manufacturing method comprises the following steps of: firstly, mixing and uniformly stirring cement, bamboo and water; then, respectively adding a thickening agent, a foaming agent and a coagulant aid into cement slurry and uniformly stirring, wherein the thickening agent, the foaming agent and the coagulant aid are uniformly mixed with water; and finally, filling a die, foaming, forming, carrying out steam curing and carrying out static culture to obtain the light cement and bamboo composite. Compared with a common cement-bonded board, the light cement and bamboo composite manufactured by the invention is low in density smaller than 0.7g / cm<3>, excellent in physical and mechanical properties, particularly good in impermeability and sound and heat insulation property and capable of adjusting the indoor environment and also has a biomass characteristic; and compared with a synthetic material such as a shaving board taking urea-formaldehyde resin, phenolic resin and the like as an adhesive, the light cement and bamboo composite is free of harmful gas release, environmentally-friendly, fireproof, flame retardant, rich in raw material source, low in raw material cost, simple in production process and capable of realizing improved production on the basis of the design of the traditional aerated concrete production line.

The invention discloses a lignin inrumescent flame retardant preparation method. The alkali lignin is placed in enough water, heating is carried out, melamine is added, stirring and heating are carried out, a formaldehyde solution is added drop by drop for a reaction, a phytic acid solution is added drop by drop in proportion, the product is placed in a centrifuge for centrifugal operation, whiteprecipitate is removed, and residual liquid is dried in a vacuum drying box until the product mass is not changed. While a fire retardant combusts, heavy smoke as well as poisonous and harmful gas having excitant smell are not generated, environment is friendly, the materials for synthesis of the fire retardant are renewable resources, the raw materials are easily available and easy to process, and no burden is generated on environment.

The invention provides a biochar preparation method which comprises the following steps: material preparation: adding biomass which is previously broken into a reaction kettle; carbonization conversion: heating the reaction kettle, adding an active group containing activating agent with the biomass mass as 1 to 5% and a catalyst with biomass mass as 1 to 10% in the reaction kettle when the reaction kettle rises to certain temperature and pressure and performing solid-solution carbonization on the biomass; cooling: cooling to 40 DEG C or lower after carbonization conversion to obtain biochar; putting the catalyst at first and then adding the activating agent. The raw materials utilized in the biochar preparation method are rich and cheap, farmland biomass waste is recycled, the active groupcontaining activating agent is added into biomass carbonization, side reaction can be effectively inhibited, and the activating agent is matched with the catalyst to perform solid-solution carbonization on the biomass; thus, a biochar conversion rate is improved, and a carbonizing technology has cleanness and environmental friendliness.

The invention relates to a high specific surface area mesoporous zinc oxide nano-cluster and a preparation method thereof. The obtained mesoporous zinc oxide nano-cluster is characterized by being formed by assembling and stacking hollow nanoparticles with the scale of 3-5 nm and the wall thickness of 1-2nm, and has the characteristics of high specific surface area, excellent photocatalytic performance and the like. The preparation method comprises the following steps: (1) mixing and stirring deionized water and ethylene glycol solution so as to obtain a mixed solution of ethylene glycol and water; (2) adding zinc nitrate, sodium hydroxide and sodium chloride aqueous solution into the mixed solution of ethylene glycol and water under rapid stirring conditions, and obtaining a reaction precursor solution for preparing the mesoporous zinc oxide nano-cluster; (3) reacting the reaction precursor solution for 1-10 hours while stirring at a room temperature, performing high-speed centrifugal separation and ultrasonic cleaning, drying, and calcining, so as to obtain the mesoporous zinc oxide nano-cluster. The high specific surface area mesoporous zinc oxide nano-cluster disclosed by the invention has important application values on aspects of photocatalytic degradation, drug delivery, bacteria resistance, environmental governance and protection and the like.

The invention relates to a method for preparing a spherical carbon heavy metal adsorbent. The method is characterized by taking pentosan extracted by a bleached hardwood pulp alkaline method as a raw material and pure water as a solvent, and comprising the steps of after treatment at high temperature and high pressure under a hydrothermal condition, centrifugally separating so as to obtain a dark brown solid product, namely carbon spheres rich in acid oxygen-containing functional groups, washing the dark brown solid product for many times by distilled water and absolute ethyl alcohol till filtrate is clear, and drying in vacuum so as to obtain the spherical carbon heavy metal adsorbent. The method has the main characteristics that the pentosan extracted from a byproduct of pulping and papermaking is taken as the raw material and is environmentally friendly, cheap and easily available, water is taken as the solvent, the reaction needs no modifier and further oxidation, the adsorbent containing a large quantity of hydroxyl and carboxyl oxygen-containing functional groups is formed through dehydration, condensation, aromatization and carbonization, the adsorbent and metal ions can have chelation, and the adsorbent can be used as high performance adsorbent for adsorbing heavy metal ions like Pb(II) and Cd(II).The hydrothermal reaction adopted in the method has a simple operation process and the adsorbent is low in cost and has an excellent adsorbing effect.

The invention discloses a method for preparing high-adsorption ceramsite by using biochar. The method comprises: drying biomass waste, crushing, carrying out oxygen limited pyrolysis for 1-5 h at a temperature of 200-600 DEG C, cooling to a room temperature to obtain biochar, completely mixing biochar and any one or more than two selected from biogas residue powder, kaolin powder, illite, chlorite, dolomite powder, biogas residue powder, montmorillonite, bentonite powder, diatomite powder and perlite powder, stirring, granulating, roasting for 0.1-3 h at a temperature of 500-1200 DEG C, cooling, breaking, and screening to obtain the high adsorption ceramsite. According to the present invention, the high-adsorption porous biochar ceramsite with stable chemical properties can be obtained bycarrying out mixed sintering on biochar, kaolin and the like; and with the method, the pore structure of ordinary ceramsite is optimized, the ion exchange capacity is improved, the adsorption of conventional ceramsite is enhanced, and the obtained product can be efficiently used in the fields of sewage treatment, soil improvement, environmental restoration and the like.

The invention relates to a special full-value nutrition liquid and organic substrate integral cultivating mode for green peppers. Organic wastes, such as crop straws, waste slag after edible fungi cultivating, and feces of livestock, are used as raw material, and are subjected to harmless treatment to form a green pepper cultivating substrate, so as to replace the soil. Full water-soluble fertilizer is prepared into full-value nutrition liquid according to the fertilizer requiring rule of the green pepper, and the water and the nutrients are supplied to the root area of the green pepper in a water and fertilizer integral way. The cultivating mode for planting the green pepper has the advantages that safety is realized, the water and the labor are saved, the cost is low, the management is easy, the raw material of the substrate can be easily obtained, the utilization rate of the fertilizer is high, soil-borne diseases are avoided, and the like. Compared with the green pepper planted in common soil, the green pepper produced by the cultivating mode has the advantages that the yield is high, the fruit is thick, the nutrition ingredients are rich, the content of pesticide residues are low, the taste is good, the number of odd fruits is little, the commodity rate is high, and the like. The cultivating mode disclosed by the invention is used for producing high-yield and high-quality green pepper in the areas where the normal agricultural production cannot be carried out, such as heavy-salt alkaline lands, mountain lean lands and abandoned industrial and mining lands.

A hydrothermal preparation method of a carbon quantum dot used as a visible light catalytic photosensitizer is characterized by comprising the following steps: taking larches as raw materials; carrying out high-temperature high-pressure hydrothermal process treatment on the raw materials; centrifugally filtering and removing a dark brown solid product to obtain a light yellow liquid product; centrifuging the liquid product at high speed; controlling centrifugal rotation speed and centrifugal time; removing insoluble small particle impurities; carrying out dialysis by using a certain molecular weight of dialysis bag to remove unreacted sugars, salt contents and the like; then carrying out concentration to obtain a target product, namely a water-soluble fluorescent carbon quantum dot. The water-soluble fluorescent carbon quantum dot is compounded with TiO2 to prepare a photocatalytic composite system; by taking antibiotics as models, photocatalytic degradation performance of the composite system on the model and interaction efficiency of the carbon dot used as the photosensitizer are inspected. The operation process has the main characteristics that larches with rich resources in Heilongjiang province are used as raw materials; the raw materials are environment-friendly, are low in cost and are easy to get; hydrothermal reaction is low in temperature and low in pressure, addition of passivating agents such as acid, alkali and salt is not needed, the product is water-soluble and has a certain fluorescent effect, the reaction process is simple to operate, and the cost is low.

The invention relates to an integrated ecological zucchini cultivation method for reducing pest and disease damage and improving fruit quality. The method comprises the steps that nutrient solution diluent special for zucchinis is irrigated in a dripped mode 14-18 days after zucchini seedlings are planted in a fixed mode, and diluted microorganism bacterium agents are sprayed during the fixed planting period of the zucchini seedlings and / or the flowering-fruit expanding period. By means of the organic matrix, zucchini special nutrient solution and microorganism bacterium agent integrated cultivation method, pest and disease damage to the zucchinis is reduced. The zucchini special nutrient solution has no lethal effect on the microorganism bacterium agents and provides a nutrition condition for life activity of functional bacteria, by means of mutual collaboration, the quality of zucchini fruit cultivated through facilities is improved, and the yield is increased.

The invention discloses an aquaculture pond pollutant curing decomposing agent and relates to the technical field of aquaculture. The aquaculture pond pollutant curing decomposing agent is prepared from 500-600 parts of calcium-based montmorillonite, 20-30 parts of modified diatomite, 20-30 parts of water glass, 20-30 parts of quick lime, 20-30 parts of white mica, 10-30 parts of soda mica, 8-10 parts of activated carbon, 6-10 parts of alum, 6-8 parts of gelatin, 8-10 parts of calcium oxide and 10-12 parts of magnesium sulfate. The aquaculture pond pollutant curing decomposing agent has the advantages that the adopted raw materials are abundant and low in price, the manufacturing technology is simple and convenient, and organic noxious substances, chemical fertilizer, pesticide, harmful organisms and heavy metal in a water body can be removed quickly and completely; total phosphorus and total nitrogen of an eutrophic water area can be reduced or removed, growth of algae in the water body can be controlled, the water bottom seepage-proofing function is achieved, and the heavy metal can be prevented from permeating and polluting water resources; physical-chemical reactions are used for conversion, water body pollutants are controlled and removed fundamentally, and popularization is facilitated.

The invention discloses an additive for sterilizing sludge at the bottom of a loach cultivation pond and relates to the technical field of aquaculture. The additive comprises, by weight, 30-40 parts of quick lime, 15-25 parts of mountain flour, 20-30 parts of potassium permanganate powder, 6-8 parts of copper sulfate, 8-10 parts of salt, 6-8 parts of alum, 3-5 parts of tea seed cake, 6-8 parts of croton, 3-5 parts of cassia twig, 4-6 parts of perilla leaf, 2-4 parts of radix sileris, 2-4 parts of radix angelicae dahuricae, 1-3 parts of asarum, 5-7 parts of fistular onion stalk, 3-5 parts of rhubarb, 2-4 parts of chrysanthemum, 2-4 parts of rhizoma anemarrhenae, 2-4 parts of selfheal, 30-40 parts of water, 15-25 parts of starch and 80-90 parts of gelatin. The additive has the advantages that the additive is rich and cheap in raw material, simple in preparation process and high in sterilizing performance, the additive can directly act on the sludge at the bottom of the pond to clean the sludge, loach diseases are minimized, cultivation effect is increased, and cultivation income is increased.

The invention relates to the technical field of antioxidants, and provides an antioxidant, a preparation method and applications of the antioxidant, an anti-oxidation additive and a preparation methodof the anti-oxidation additive. For the preparation method of the antioxidant, extraction liquid is obtained by extracting algae plants through supercritical extraction or subcritical extraction, desolventizing under the reduced pressure is carried out on the extraction liquid, and thus the needed antioxidant is obtained. The antioxidant is prepared by adopting the preparation method of the antioxidant provided by the invention. The invention further provides applications of the antioxidant, and the antioxidant is used for preparing food, health products or cosmetics. The invention further provides the preparation method of the anti-oxidation additive, the provided antioxidant is separated and purified, thus the algae extract is obtained, the algae extract is dissolved in grease, and thusthe needed anti-oxidation additive is obtained. The anti-oxidation additive is prepared by adopting the preparation method of the anti-oxidation additive.

The invention discloses a porous SiCO-based nitric oxide sensor which comprises a monocrystalline silicon substrate, wherein a SiO2 thin film layer, a SiBCO thin film layer and a SiCO thin film layer are sequentially arranged on the monocrystalline silicon substrate, and an electrode is arranged on the SiCO thin film layer through a SiAlCO thin film layer. According to the porous SiCO-based nitric oxide sensor, a multilayer gas-sensitive thin film system with excellent mechanical reliability is disclosed through gradient design of gas sensitive characteristic and mechanical property; utilizing a magnetron sputtering method to prepare the thin film system has the advantages of good adhesiveness, low cost, controllable components, low temperature and the like; preparing a SiCO surface porous structure through a chemical corrosion method has the advantages of simple and convenient process, rich and cheap raw materials, controllable nano-topography and the like.

The invention relates to a method for the filling treatment of turquoise by using aluminum phosphate salts. A method for the treatment of turquoise by using aluminum phosphate salts is characterized in that the method comprises the following steps of: 1) pretreatment: wall rock and dirty surface are worn off on the surface of the turquoise with loose texture and are then put in a constant-temperature drying box for being dried for 3-4 hours at 80-110 DEG C after being cleaned, so as to obtain the pretreated turquoise; 2) preparation of an adhesive: KH2PO4, NaH2PO4 and MgO are respectively ground to 200 meshes and are then selected based on the proportion of Al(H2PO4)3 solution KH2PO4:NaH2PO4:MgO = 800mL:2-10g:1-20:1-20g to be mixed and stirred evenly, thus resulting in the adhesive; 3) the pretreated turquoise is vacuumized and then soaked in the adhesive for 1-30 days at 15-30 DEG C under normal pressure of 40Mpa; the turquoise is taken out and put into the constant-temperature drying box for heating and curing, upon the ending of the heating, the turquoise is naturally cooled to room temperature and is subsequently polished to a finished product. The method has simple process, low cost and good simulation.

The invention provides special animal feed for livestock and relates to the technical field of preparation of the feed. The special animal feed is prepared from the following raw materials: 60-80 parts of soybeans, 50-60 parts of soybean meal, 20-30 parts of corns, 10-20 parts of lard stearin, 10-20 parts of meat and bone meal, 5-7 parts of dried blood, 5-15 parts of fish meal, 10-20 parts of shrimp shells, 20-30 parts of fish bone meal, 8-10 parts of silkworm chrysalis meal, 8-10 parts of fly maggot meal, 10-20 parts of cod-liver oil and 15-25 parts of compound vitamin. The special animal feed for the livestock has the beneficial effects that the raw materials are abundant and cheap, and a manufacturing process is simple and convenient; only animal raw materials are used in the feed, so that the good absorption of poultry is guaranteed in a normal eating process; meanwhile, the feed also has a lot of plant protein and heat quantity, is convenient for the livestock to eat and can prevent the livestock from getting ill; and the feed is the animal feed hard to get, and is capable of improving the growth speed of the livestock after being used for a long period, so that the production value of farmers is improved.