118 results about "Chelated zinc" patented technology

The invention relates to the field of polypeptide compositions, in particular to a polypeptide metal chelate and application thereof in the field of cosmetics, and the polypeptide metal chelate is formed by chelating a polypeptide compound and a metal ion compound. The structure of the polypeptide compound is [gamma-Glu] n-AA, n is greater than or equal to 1, and AA is selected from glycine, alanine, valine, leucine, isoleucine, methionine (methionine), proline, tryptophan, serine, tyrosine, cysteine, phenylalanine, asparagine, glutamine, threonine, asparaginic acid, glutamic acid, lysine, arginine or histidine; the polypeptide chelated zinc prepared by the invention has remarkable oil control and anti-inflammatory effects, and can be compounded with other raw materials to form cosmetics with oil control and acne removal effects.

The invention discloses a water and fertilizer management method for transplanted high-yield indica type two-line hybrid rice, and belongs to the technical field of rice cultivation. Comprising the following steps: (1) applying citric acid chelated calcium magnesium phosphate fertilizer to soil before transplanting; (2) applying coated controlled-release urea and a silicon-zinc fertilizer on the third day after transplanting; (3) when the tiller number reaches 2650,000-2750,000 plants / hm < 2 >, starting intermittent light field drying for three times, and deeply applying potassium magnesium sulphate before field drying; (4) laterally and deeply applying urea and a boron-humic acid chelate when tips of two inverted leaves are exposed; (5) spraying an aqueous solution in a full heading stage, wherein the aqueous solution comprises monopotassium phosphate, chelated zinc and brassinolide. Through staged precise fertilization, special chelating / controlled release fertilizer and water and fertilizer-field drying cooperation, the method has the advantages that the fertilizer utilization rate is increased, the nutritional requirements of rice in each growth period are precisely matched, and water and fertilizer cooperative management is optimized.

The invention relates to the technical field of compound fertilizers, and discloses a boron-zinc-molybdenum synergistic compound fertilizer, which is prepared from the following raw materials in parts by weight: calcium nitrate, ammonium polyphosphate, potassium sulfate, magnesium sulfate, disodium octoborate tetrahydrate, sugar alcohol chelated zinc, sodium molybdate and a synergistic auxiliary agent, the feed additive is prepared from a feed additive, an activator, 5-alginic acid oligosaccharide, aminolevulinic acid, sugar alcohol chelated magnesium, an antagonist, a stress-resistant enhancer and a coating material. According to the boron-zinc-molybdenum synergistic interaction compound fertilizer and the preparation process thereof, the disodium octoborate tetrahydrate, the sugar alcohol chelated zinc and the sodium molybdate are compounded according to a specific proportion, antagonism is avoided through proportion limitation, the synergistic effect of the three elements is remarkably enhanced, and the problem that a single element is insufficient or excessive is solved; chelated elements such as sugar alcohol chelated zinc and sugar alcohol chelated magnesium are combined with an activating agent (humic acid chelated calcium and silica sol) to form a gel-state chelate, so that the trace elements can be prevented from being fixed by soil, and the transfer efficiency of the trace elements in crops is improved.

The invention relates to the technical field of compound fertilizers, in particular to a selenium-rich water-soluble compound fertilizer. The selenium-rich water-soluble compound fertilizer comprises the following components in parts by weight: 10-15 parts of selenium sustained-release microspheres, 8-12 parts of a natural compound extract, 1-2 parts of potassium chloride, 1-3 parts of monoammonium phosphate, 0.1-0.2 part of EDTA chelated zinc, 0.05-0.08 part of borax and 300-500 parts of deionized water, and the selenium-rich water-soluble compound fertilizer prepared by the invention can slowly release selenium elements and effectively improve the selenium content of plants.

The invention discloses a special organic-inorganic compound fertilizer for improving the yield and quality of rice in a rice field, and belongs to the technical field of agricultural fertilizers. The compound fertilizer comprises a three-layer structure consisting of a porous core layer, a quick release coating layer and a biodegradable film, wherein the porous core layer is prepared from ammonium polyphosphate, potassium humate, nano charcoal modified chicken manure, mineral source potassium fulvate and sodium carboxymethyl cellulose-bentonite composite colloid; the quick-release coating layer is prepared from sulfur-resin double-layer coated urea, amino acid chelated zinc, alginic acid complex boron, silica sol, ammonium molybdate, 5-aminolevulinic acid and nano cerium oxide; the biodegradable film is prepared from a film forming solution and a bioactive microbial agent. Through the design of a three-layer structure and the combination of an organic-inorganic-microorganism synergistic technology, accurate matching of nutrient release and a rice fertilizer requirement rule is achieved, meanwhile, soil health and environmental protection are considered, and an innovative solution is provided for green high-yield rice planting.

The invention relates to a low-temperature preparation method of a high-activity chelated zinc fertilizer, and belongs to the technical field of fertilizer chemical industry. Aiming at the problems of chelate decomposition and high energy consumption caused by an existing high-temperature process, ethylene diamine tetraacetic acid is added step by step in a low-temperature environment of 35-45 DEG C: firstly, an initial chelating solution is formed by adding 0.8-1.0 time of theoretical chelating molar weight, and then a sodium hydroxide solution is dropwise added to control the pH to be 3.5-4.5 within 60-120 minutes and is stable; and then supplementing ethylenediaminetetraacetic acid which is 0.1-0.2 time of the theoretical amount, reacting for 60-120 minutes to achieve chelation balance, and finally stirring, aging and naturally cooling. The method obviously improves the chelating efficiency and the product stability, reduces the energy consumption, and is used for preparing the efficient and stable liquid zinc fertilizer.

The invention discloses a compound microbial agent formula for a corn seedling stage, and relates to the technical field of agricultural microorganisms. The microbial agent comprises bacillus subtilis and bacillus mucilaginosus, auxin hormone sodium naphthalene acetate, chelated zinc and a pH regulator potassium fulvate are added, and humic acid powder is used as a carrier. The dry powder preparation with the particle size being smaller than or equal to 200 meshes and the suspension rate being larger than or equal to 90% is prepared through a specific fermentation technology and a bacterial liquid mixed adsorption and spray drying technology. Field trials show that the composition can increase the emergence rate of corn from 85% to 90%-93%, increase the dry weight of the root system by 30%, and reduce the incidence rate of white seedling disease by 70% or above. Microbe, chemistry and agronomy principles are fused, and the corn production problem in the arid region is systematically solved; chemical fertilizer dependence is reduced, degraded soil is restored, and green agricultural policy guidance is met; the average cost per mu is less than 100 yuan, and the method is suitable for large-scale planting and precise irrigation systems.

The invention provides a polymorphic zinc and organic acid composition for targeted scalp barrier repair as well as a preparation method and application of the polymorphic zinc and organic acid composition. The composition is prepared from the following components in percentage by mass: 1 to 80 percent of yeast / zinc fermentation product, 1 to 20 percent of polyaspartic acid chelated zinc, 0.5 to 20 percent of gluconolactone, 0.5 to 6 percent of hydroxydecanoic acid, 1 to 10 percent of succinyl glycan and the balance of water or other pharmaceutically / cosmetically acceptable carriers. Wherein the mass ratio of the yeast / zinc fermentation product to the polyaspartic acid chelated zinc is (1: 1)-(8: 1); the mass ratio of the hydroxydecanoic acid to the gluconolactone is (1: 0.5)-(1: 3). The invention provides an efficient, mild and multi-effect synergistic nursing composition, and the composition realizes a three-in-one scalp regulation mechanism of barrier repair, mild bacteriostasis and long-acting moisturizing through unique component synergy.

The invention relates to the technical field of compound fertilizers, and discloses a root-promoting stress-resistant corn special fertilizer and a preparation method thereof, the root-promoting stress-resistant corn special fertilizer comprises an organic compound matrix, 8-15 parts of sodium alginate, 3-10 parts of bacillus subtilis, 3-7 parts of chelated zinc, 8-15 parts of potassium fulvate, 5-10 parts of polyaspartic acid, 17-25 parts of potassium nitrate, 12-20 parts of ammonium sulfate, 10-20 parts of bentonite and 25-35 parts of monoammonium phosphate, through the synergistic effect of various components in the fertilizer, efficient promotion of corn growth is realized, nitrogen provided by monoammonium phosphate promotes corn leaf growth and enhances photosynthesis, and phosphorus mainly promotes root development, so that the root is more developed, and the absorption capacity of the root to moisture and nutrients is improved; meanwhile, the resistance of the corn to adverse situations such as drought and cold is enhanced.

The invention discloses an amino acid water-soluble fertilizer and a preparation process thereof, and relates to the technical field of water-soluble fertilizer preparation. The nutrient solution is prepared from the following raw materials: 35 to 45 parts of compound amino acid, 8 to 12 parts of monopotassium phosphate, 3 to 4 parts of potassium sulfate, 1.5 to 2 parts of disodium calcium ethylenediamine tetraacetate, 1.2 to 1.8 parts of EDTA (Ethylene Diamine Tetraacetic Acid) chelated magnesium, 0.3 to 0.7 part of chelated zinc, 0.1 to 0.3 part of zinc sulfate, 2 to 3 parts of citric acid-monopotassium phosphate buffer solution, 2 to 3 parts of algal polysaccharide, 0.5 to 1 part of mannitol, 2 to 4 parts of potassium fulvate, 1 to 2 parts of chitosan oligosaccharide and 0.5 to 1 part of nano silicon dioxide. 0.5-1 part of polyaspartic acid; 1-2 parts of a dispersing agent; the compound amino acid raw materials comprise 60-70% of fish scale protein water-soluble amino acid and 30-40% of bamboo shoot protein water-soluble amino acid; the amino acid water-soluble fertilizer provided by the invention can effectively improve the nutrient absorption efficiency of crops and promote the growth of the crops.

The invention relates to the technical field of animal feed, in particular to a high-efficiency growth-promoting pig compound additive and a preparation method thereof. The high-efficiency growth-promoting pig compound additive is prepared from the following raw materials in parts by weight: 5-8 parts of bacillus subtilis; 3 to 5 parts of bacillus licheniformis; 4 to 6 parts of fructo-oligosaccharide; 3 to 5 parts of galactooligosaccharide; 8 to 12 parts of yeast extract; 2-4 parts of a yucca extract; 1 to 2 parts of cellulase; 1-2 parts of acid protease; 0.5 to 1.5 parts of curcumin; 0.3 to 0.8 part of tea polyphenol; 1-3 parts of taurine; and 2 to 4 parts of glycine chelated zinc. According to the efficient growth-promoting pig compound additive and the preparation method thereof, multi-dimensional collaborative optimization is adopted, probiotics and prebiotics are combined, colonization of beneficial bacteria in intestinal tracts is promoted, metabolic active substances are generated, antibiotic dependence is replaced, organic microelements are used for replacing high-dose inorganic zinc, and the risk of environment residues is reduced; the natural anti-inflammatory component and the light stabilizer reduce oxidative stress and photosensitive toxicity, are significantly superior to the traditional scheme, and have both environmental friendliness and cost effectiveness.

The invention provides a pill-type organic fertilizer special for vegetables. The pill-type organic fertilizer is prepared from the following raw materials in parts by weight: modified biochar, fermented livestock and poultry manure, plant source protein zymolyte, a complex microbial inoculant, a trace element supplement and a binder, and a method therefor; the complex microbial inoculants comprise actinomycetes, bacillus amyloliquefaciens and trichoderma harzianum; the trace element supplement comprises EDTA (Ethylene Diamine Tetraacetic Acid) chelated zinc, EDTA chelated iron and boric acid. Therefore, on one hand, the organic fertilizer can effectively improve the facility agriculture soil environment, adjust the soil acidity and alkalinity, reduce the salinization degree, promote balance and stability of microbial communities and restore and improve the ecological function of soil; on the other hand, the utilization rate of the fertilizer can be greatly improved, and the plant-source proteolysis provides a quick-acting nitrogen source to promote root development; the microelement supplement meets the requirements of vegetables on microelements; nutrients are balanced, vegetable stress resistance is enhanced, and photosynthetic efficiency is improved; and the binder enables the fertilizer to form uniform particles, is suitable for mechanical fertilization, and improves the fertilization efficiency.

The invention relates to the technical field of high polymer materials, and particularly discloses a flame-retardant PVC (polyvinyl chloride) sheet and a preparation method thereof.Carboxymethyl chitosan is adsorbed on the surface and in pores of sepiolite through the adsorption effect of sepiolite powder, the carboxymethyl chitosan contains a large number of hydroxyl groups and amino groups, and the hydroxyl groups and the amino groups can chelate zinc ions, so that the flame-retardant PVC sheet is prepared. Then calcining is performed in a nitrogen atmosphere, carboxymethyl chitosan is converted into a relatively compact carbon layer, zinc salt is converted into zinc oxide, and the flame retardant property of sepiolite is improved through the generated carbon layer and zinc oxide composite layer; then through addition reaction between double bonds, 1, 4-butylene glycol and diethyl vinylphosphonate are grafted on the surface of the sepiolite composite material, so that the mechanical property and flame retardant property of the PVC sheet material are further improved.

The invention relates to the technical field of functional nutritious food, in particular to multi-layer skin nutrition powder with a whole-spectrum skin growth and repair promoting effect and a preparation method and application thereof, the core of the multi-layer skin nutrition powder is composed of a collagen peptide system (60-62%), a proteoglycan system (20-22%) and the like, collagen peptide is compounded with three sources of cattle, fish and chicken, and the multi-layer skin nutrition powder has the advantages that the multi-layer skin nutrition powder is prepared; according to the present invention, with the combination of the following components, the skin structure and activity are jointly promoted by using the synergistic effect of the functional polypeptide compound (2.5-3.5%) and the plant active component (3.5-4.5%) rich in asiaticoside and procyanidine, and the nutrition enhancers (4-5%) such as L-ascorbic acid and amino acid chelated zinc and the food-grade auxiliary materials (8-10%) such as microcrystalline cellulose are integrated in the formula, such that the various systems achieve the synergistic effect so as to achieve the effect of nourishing the skin; through the synergistic compatibility of the three-source collagen peptide, the comprehensive supplement of various types of collagen in skin tissues is realized.

The invention relates to the technical field of fertilizers, and discloses a molybdenum-boron synergistic control type macroelement water-soluble fertilizer, which is prepared from the following raw materials in parts by weight: nitrate nitrogen, ammonium nitrogen, ammonium polyphosphate, potassium oxide, chelated magnesium (MgO), trace elements, a stress-resistant enhancer, a synergistic control agent and a stabilizer, the trace elements are composed of ammonium molybdate, a boric acid-glycerol compound, chelated zinc, chelated manganese (Mn-EDTA) and a chelating agent. According to the molybdenum-boron synergistic control type macroelement water-soluble fertilizer and the preparation process thereof, the ammonium molybdate and the boric acid-glycerol compound are added into the fertilizer, so that the nutrient deficiency symptom can be effectively and synergistically prevented, the fungal disease resistance can be effectively improved by adding the salicylic acid and the nano silicon dioxide, and meanwhile, the effect of preventing and treating the macroelement is achieved. By adding the chlamydomonas rubra enzymolysis extract containing natural abscisic acid, potassium silicate and polyaspartic acid, the high temperature resistance, drought resistance and heavy metal pollution resistance of the fertilizer can be effectively improved, so that the effect of the whole water-soluble fertilizer is improved, and the application range of the water-soluble fertilizer can be widened.

The invention relates to the technical field of coatings, in particular to a wind power blade protective coating and a preparation method thereof. The preparation method comprises the following steps: preparing polyhydroxyalkanoate grafted modified sepiolite; preparing a composite anti-ultraviolet filler; preparing a copolymer emulsion; and preparing the wind power blade protective coating. Lignin and dopamine monomers are compounded to form a lignin / polydopamine composite material, zinc ions are introduced and inserted into the lignin / polydopamine composite material, finally, the composite anti-ultraviolet filler is obtained, lignin is biomass waste, low in cost and reproducible, rich phenolic hydroxyl groups and amino groups can be introduced through polydopamine coating, and the composite anti-ultraviolet filler is prepared. According to the invention, lignin is added to enhance the chemical activity and adsorption capacity, polydopamine can chelate zinc ions, promote uniform nucleation of the zinc ions on the surface of the composite material and prevent agglomeration of free zinc ions, lignin and polydopamine have good ultraviolet absorption capacity and have synergistic interaction with broadband ultraviolet shielding of the zinc ions, and the full-wave band anti-ultraviolet performance is improved.

The invention relates to fish scale polypeptide chelated zinc. The amino acid sequence of the fish scale polypeptide chelated zinc is HMGPR. According to the fish scale polypeptide chelated zinc disclosed by the invention, a polypeptide ligand HMGPR does not have antibacterial activity, but a nitrogen atom in a histidine imidazole group at an N end of the polypeptide ligand HMGPR is coordinated with Zn < 2 + > through lone pair electrons, and meanwhile, a carboxyl oxygen atom of arginine at a C end is used as an electron donor to form coordination with Zn < 2 + >, so that the fish scale polypeptide chelated zinc HMGPR (at) Zn is endowed with broad-spectrum antibacterial activity. Besides, HMGPR is chelated with Zn < 2 + > through a coordinate bond, so that the stability of the polypeptide is remarkably improved, and the defect that a peptidyl antibacterial agent is easily hydrolyzed by protease is overcome. The fish scale polypeptide chelated zinc can serve as a novel antibacterial preservative to be applied to the food industry, microbial infection is effectively prevented, and meanwhile the additional value and the comprehensive social value of the aquatic product industry are improved.

The invention relates to a zinc ion battery electrolyte containing polysaccharide zinc chelate as well as a preparation method and application thereof, the electrolyte comprises a deionized water solvent, a soluble zinc salt solute and a polysaccharide zinc chelate additive, and the addition amount of the polysaccharide zinc chelate additive is 0.20 mmol / L to 1.35 mmol / L; the polysaccharide zinc chelate additive is any one or more of zinc hyaluronate, zinc tannate, algal polysaccharide zinc, rice bran polysaccharide zinc chelate and multiflower knotweed vine polysaccharide chelated zinc. A trace amount of green and safe polysaccharide zinc chelate additive is added into the zinc salt water electrolyte, so that on one hand, hydrogen evolution side reaction is effectively inhibited, and on the other hand, dendritic crystal growth on the surface of a negative electrode is inhibited; when the electrolyte is applied to the aqueous zinc ion battery, the cycle stability of the battery can be remarkably improved, and the cycle life of the zinc ion battery is effectively prolonged.

The preparation process comprises the following steps: S100, mixing humic acid, monoammonium phosphate and potassium sulfate to obtain a first mixture; s200, mixing the first mixture with the blue-green algae extract to obtain a second mixture; s300, mixing the second mixture, sodium alginate, chelated zinc, chelated iron and chelated magnesium to obtain a third mixture; s400, mixing peroxidized humic acid, magnesium sulfate and monopotassium phosphate to obtain a fourth mixture; and S500, adding the fourth mixture into the third mixture to obtain the blue-green algae organic fertilizer. The cyanobacteria water-soluble fertilizer prepared by the process is good in absorption, obvious in fertilization effect and small in fertilization amount, and manpower and time used for fertilization can be reduced.

The present invention relates to the field of biomedical technologies, and specifically to a medicament for skin wound repair and a preparation method of its raw materials, which includes the following core steps: Select the parental species of Eisenia fetida that has been purified and propagated for 30 generations, feed L-proline chelated zinc and phenylalanine sulfonated derivatives in stages in a sterile culture medium, combine with ultraviolet light induction to activate the expression of antibacterial peptide genes, and cultivate highly active adults; Obtain a clear liquid through water bath cleaning at 40-50 °C, shearing and homogenization, 30% alcohol gradient precipitation, and multi-stage ultrafiltration; Homogenize and emulsify the raw drug with carbomer matrix and glycerol to form a gel with a particle size of 100-200 nm. The highly efficient repair effect of the present invention enables epidermal regeneration within 72 hours for severe burns and scalds; the granulation coverage rate of diabetic foot ulcers is ≥90% within 20 days; Secondly, the antibacterial activity of β-sheet conformation PrAMPs is enhanced, and the zinc chelating inducer up-regulates the gene expression level.

The application discloses a kind of preparation methods of anaerobic self-chelation organic water-soluble fertilizer, belong to agricultural organic water-soluble fertilizer preparation technical field.The method includes: after being crushed and conditioned, organic waste is mixed with nano limited carrier with specific pore size and surface functional group, and biological membrane is constructed in anaerobic reactor;Subsequently, mineralization reaction is carried out, and self-chelation reconstruction program is automatically triggered by online monitoring short-chain fatty acid concentration, and endogenous metabolites and nutrient ions are directionally chelated and self-assembled in nano limited space under the guidance of carrier;Finally, after separation, sterilization and concentration, the finished product is obtained.The application prepares organic-inorganic composite nano fertilizer with average particle size of 80-150nm, chelated zinc ratio of ≥82% and chelated phosphorus ratio of ≥68% without relying on exogenous chelating agent, and the 30-day nitrogen and phosphorus leaching loss rate is less than 17.0% and 11.5%, which has good slow-release performance and agricultural yield-increasing effect, and provides a new technical approach for high-value resource utilization of organic waste.

The invention relates to the technical field of agricultural chemistry, in particular to zinc amino acid chelate, a preparation method thereof and a fertilizer composition. Zinc oxide, amino acid, citric acid and ethylenediamine tetramethylenephosphonic acid tetrasodium salt are used as raw materials, an ethanol aqueous solution with a specific concentration is added through spraying to carry out segmented wetting on the solid raw materials, a strict raw material adding sequence is matched, and the reaction temperature and time are accurately controlled. According to the preparation method, high-energy-consumption concentration, crystallization and spray drying procedures are not needed, so that the production cost is effectively reduced; the biodegradable chelating agent is adopted, so that the environment-friendly effect is achieved; finally, the prepared amino acid chelated zinc product has a high chelation rate which can reach 99% or above, and no precipitate is generated even if the amino acid chelated zinc product is compounded with monopotassium phosphate at a high concentration; the fertilizer is compounded in a macroelement water-soluble fertilizer and keeps stable for a long time under an accelerated heat storage condition, and the fertilizer is dissolved in water after heat storage and does not generate precipitates.

This invention relates to the field of agricultural fertilizer technology, specifically to a phosphoinositol-chitosan composite organic fertilizer and its preparation method. The organic fertilizer comprises modified phosphoinositol, chitosan graft, humic acid, sugar alcohol chelated zinc, alginate oligosaccharide, bentonite, and a well-rotted organic carrier. Specifically, the modified phosphoinositol and chitosan graft synergistically form a "dual-signal driven" system, effectively activating signaling pathways related to plant root development; the alginate oligosaccharide and sugar alcohol chelated zinc synergistically enhance plant stress resistance; and humic acid and bentonite jointly improve soil structure and achieve slow nutrient release. This organic fertilizer integrates nutrient supply, soil improvement, and physiological regulation, significantly promoting crop root growth, enhancing its resistance to drought, low temperatures, and diseases, and achieving stable yield increases. Furthermore, the raw materials are natural and environmentally friendly, the process is simple, and it is suitable for large-scale production.

The invention provides a water fertilizer for preventing the bending phenomenon of cut-flower roses as well as a preparation method and application of the water fertilizer, and belongs to the technical field of fertilizers. Comprising the following components: potassium nitrate, monopotassium phosphate, calcium nitrate terahydrate, ammonium dihydrogen phosphate, calcium sulfate, magnesium sulfate heptahydrate, chelated zinc, borax, sodium bicarbonate, chelated iron, chelated manganese, chelated copper and sodium molybdate dehydrate. The preparation method of the water fertilizer for preventing the bending phenomenon of the cut-flower roses is simple, quick in effect, low in cost, environment-friendly and safe, and the growth and development process of the cut-flower roses is accurately regulated and controlled by guaranteeing normal water fertilizer supply. The occurrence rate of the bending phenomenon of the cut-flower roses is obviously reduced, the quality of the cut-flower roses is effectively improved, and the quality improvement and efficiency improvement of the industry are promoted.

The invention relates to the technical field of seed treatment, and particularly discloses a seed treatment suspending agent containing prothioconazole, fludioxonil and chlorantraniliprole and a preparation method of the seed treatment suspending agent. The invention discloses a seed treatment suspending agent containing prothioconazole, fludioxonil and chlorantraniliprole. The suspending agent is prepared from the following raw material components in percentage by mass: 5 to 10 percent of prothioconazole microcapsules, 1 to 5 percent of silicon carrier loaded fludioxonil, 1 to 3 percent of chlorantraniliprole, 0.3 to 0.7 percent of lentinan, 0.3 to 0.7 percent of humic acid, 0.3 to 0.7 percent of chelated zinc, 10 to 15 percent of ethylene glycol, 3 to 5 percent of filler, 0.5 to 1.5 percent of dispersing agent, 0.05 to 0.15 percent of thickening agent, 2 to 3 percent of film-forming agent, 10 to 15 percent of oil and the balance of deionized water. The suspending agent disclosed by the invention not only has a relatively good prevention and treatment effect on wheat root rot, but also has a relatively high germination rate of treated wheat seeds.

Use of amino acid chelated zinc in preparing a composition for immunomodulation and / or inhibition of dendritic cell maturation, particularly a pharmaceutical composition for treating allergic diseases, treating autoimmune diseases, and / or preventing organ transplant rejection; and a combination for preparing tolerogenic dendritic cells, comprising (1) amino acid chelated zinc, and (2) a dendritic cell culture solution.

The invention relates to the technical field of preparation of organic fertilizers, and particularly discloses preparation and application of a wheat compound foliar fertilizer. The wheat compound foliar fertilizer is prepared from 30 to 40 parts of decomposed livestock and poultry manure, 20 to 30 parts of straw fermentation product, 10 to 14 parts of soybean cake powder, 4 to 8 parts of amino acid, 2 to 6 parts of humic acid, 1 to 5 parts of alginic acid, 1 to 2 parts of EDTA (Ethylene Diamine Tetraacetic Acid) chelated iron, 0.5 to 1 part of amino acid chelated zinc, 0.1 to 0.3 part of sodium selenite, 0.5 to 1 part of boric acid, 1 to 1.4 parts of compound enzyme preparation and 0.3 to 0.8 part of emulsifier. The organic raw materials such as the decomposed livestock and poultry manure, the straw fermentation product and the soybean cake powder are scientifically proportioned with biostimulants such as amino acid, humic acid and alginic acid, and trace elements such as EDTA chelated iron and amino acid chelated zinc, so that the fertilizer is balanced in nutrition and can meet the comprehensive requirements of wheat for various nutrients in different growth stages.

The invention discloses a flexible self-supporting porous carbon electrode and a preparation method and application thereof, and belongs to the technical field of electrode material preparation. The method comprises the following steps: firstly, carrying out amidoximation modification on polyacrylonitrile felt to prepare amidoxime polyacrylonitrile felt; then carrying out dipping treatment through a zinc salt solution to obtain an amidoxime polyacrylonitrile felt precursor chelated with zinc ions; and finally, through high-temperature pyrolysis conversion, the prepared flexible self-supporting porous carbon electrode material not only retains the flexible characteristic and the fiber structure of the precursor, but also forms a rich pore structure on the surface of the fiber, so that the specific surface area is remarkably improved. According to the structure, a continuous electron conduction network is constructed, an efficient ion transmission channel is provided, and meanwhile the charge storage capacity is improved. Experimental results show that when the material is used as a flexible supercapacitor electrode, the material shows excellent specific capacity and cycling stability.

The invention belongs to the field of feed additives, and discloses a compound feed additive and a preparation method thereof. Comprising the following components: 2 to 5 parts of shiny-leaved yellowhorn leaf extract, 1.5 to 4 parts of hippophae rhamnoides leaf extract, 1.2 to 3.5 parts of eucommia seed extract, 0.8 to 2.8 parts of boxthorn leaf extract, 25 to 50 parts of composite modified tourmaline powder, 4 to 9 parts of synanthrin compound, 3 to 8 parts of composite microspheres, 0.5 to 2 parts of threonine chelated manganese, 1 to 3 parts of methionine chelated zinc, 0.3 to 1 part of glycine chelated selenium and 0.2 to 0.8 part of tryptophan chelated cobalt. 1 to 3 parts of chitosan oligosaccharide phosphate, 0.8 to 2.5 parts of fructo-oligosaccharide phosphate, 0.2 to 0.8 part of vitamin E and 0.1 to 0.6 part of vitamin C; the feed additive overcomes the technical defects of poor stability of nutritional ingredients, low absorption and utilization rate, single function and insufficient synergistic effect of the ingredients of the existing feed additive in the prior art, and is suitable for feeds.