845 results about "Organic phosphorus" patented technology

The invention belongs to the technical field of soil fertilizers, and particularly relates to a soil conditioner and a preparation method thereof. Wherein the soil conditioner is prepared from the following raw materials in parts by weight: 30 to 40 parts of modified charcoal, 20 to 30 parts of microbial complexing agent, 15 to 25 parts of humic acid and 1 to 5 parts of biological enzyme; according to the microbial complexing agent, dopamine grafted and modified nano silicon dioxide and hydroxyapatite form a composite shell, pseudomonas aeruginosa and bacillus subtilis are wrapped, and the microbial complexing agent has the functions of protecting microorganisms, adsorbing heavy metals and slowly releasing phosphorus elements; the modified biochar is compounded with the attapulgite through acid-base treatment to form a porous structure with physical inlaying and chemical functional groups synergistic, so that the adsorption and fixation capability on heavy metals and organic pollutants is remarkably improved; the biological enzyme accelerates organic phosphorus conversion, and enzymatic hydrolysate provides a phosphorus source for microorganisms, promotes microorganism breeding, effectively increases the content of available phosphorus in soil, and enhances the stability of a remediation system.

The invention provides anti-aging polyurethane-zirconium phosphate composite modified asphalt and a preparation method thereof, and belongs to the technical field of building material preparation. The anti-aging polyurethane-zirconium phosphate composite modified asphalt is prepared from the following components in parts by weight: 100 parts of matrix asphalt, 3 to 15 parts of an isocyanate prepolymer, 1 to 8 parts of organic zirconium phosphate, 0.001 to 0.1 part of a catalyst and 2 to 5 parts of a solubilizer, wherein the organic zirconium phosphate is prepared by carrying out ultrasonic intercalation treatment on zirconium phosphate by adopting organic molecules. Compared with the traditional polyurethane modified asphalt, the organic zirconium phosphate in the anti-aging polyurethane-zirconium phosphate composite modified asphalt has a polyurethane cross-linked network structure, can effectively improve the high and low temperature performance of the asphalt, has a layered structure, can absorb ultraviolet rays, and can effectively improve the anti-aging performance of the asphalt. Therefore, organic molecules in the polyurethane asphalt are protected from being oxidized, the anti-aging performance is excellent, and the service life of an asphalt pavement is prolonged.

The invention relates to a salt-tolerant growth-promoting pseudomonas putida PLW1 and application thereof, and belongs to the technical field of microorganisms, the pseudomonas putida PLW1 is preserved in China Center for Type Culture Collection on June 24, 2024, and the preservation number is CCTCC NO: M 20241352; the strain has the functions of degrading organic phosphorus, degrading inorganic phosphorus, producing lipase, producing siderophores and producing indoleacetic acid, and also has good salt-resistant and alkali-resistant characteristics, and the microbial inoculum prepared from PLW1 can promote germination of corn seeds and growth of corn seedlings under salt stress, and has a very wide application prospect.

The invention relates to a salt-tolerant bacillus and application thereof, and belongs to the technical field of microbial fertilizers, the salt-tolerant bacillus is preserved in China General Microbiological Culture Collection Center (CGMCC) on July 10, 2024, and the preservation number is CGMCC No.31260; the strain is relatively strong in saline-alkaline tolerance, has the capabilities of dissolving potassium, decomposing cellulose, degrading protein and dissolving organophosphorus, can antagonize various plant pathogenic bacteria such as Erwinia persicae, fusarium oxysporum and fusarium fusiforme, can generate a good growth promoting effect on corn in a salt-free or salt-containing environment, and is very wide in application prospect.

The invention relates to a composite multi-effect scale and corrosion inhibitor and a preparation method thereof, and belongs to the technical field of water treatment agents.The composite multi-effect scale and corrosion inhibitor is prepared from carboxylic acid monomers, sulfonate monomers, organophosphorus compounds, modified chitosan, modified nanometer titania, oxidation type initiators, reduction type initiators, azole derivatives and the like, the modified chitosan is formed by coating the surface of chitosan with cerium chloride; the modified nano titanium dioxide is formed by coating the surface of nano titanium dioxide with sodium polyaspartate. The composite multi-effect scale and corrosion inhibitor is prepared in a mode of compounding while synthesizing, the scale inhibition effect is excellent, the comprehensive descaling capacity can reach 97% or above, and the composite multi-effect scale and corrosion inhibitor can be used for a high-pH, high-alkalinity, high-temperature and high-hardness circulating cooling water system under the high-concentration-multiple operation condition; the method is suitable for circulating cooling water treatment requirements under harsh conditions in industries such as chemical industry, smelting and light industry.

The invention provides a saline-alkaline tolerant Bachu halomonas strain, which is characterized in that the saline-alkaline tolerant Bachu halomonas strain is named as halomonas sp. And is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC NO.28831, and the preservation date is November 01, 2023; the nucleotide sequence of the 16S rRNA is as shown in SEQ ID NO: 1. The invention further provides application of the strain, and the strain is used for improving saline-alkaline resistance of plants, reducing soil salinity and alkalinity and promoting plant growth and is used for preparing fertilizer with plant growth promoting and saline-alkali soil improving effects. The strain disclosed by the invention has the functions of resisting salt and alkali, reducing salt and alkali, fixing nitrogen, decomposing organic phosphorus, dissolving inorganic phosphorus, producing IAA, producing oxidase, producing catalase, producing volatile acidic substances and promoting plant growth. The strain obtained by the invention has important application values in the aspects of improving saline-alkali stress resistance of crops, improving physicochemical properties of saline-alkali soil, increasing crop yield and the like, can be prepared into a fertilizer with plant growth promoting and saline-alkali soil improving effects for use, is a great innovation in saline-alkali soil improvement and crop planting, and has a wide application prospect.

The invention discloses a copper-based nano-enzyme, a preparation method thereof and application of the copper-based nano-enzyme in organophosphorus pesticide detection, and belongs to the technical field of pesticide residue detection. The copper-based nano-enzyme has a netted-like structure, a high specific surface area and many active sites, the valence state of a copper element is zero-valence Cu, Cu < + > and Cu < 2 + >, the copper-based nano-enzyme has high peroxidase-like activity and laccase-like activity, the detection limit is low, and glyphosate can be sensitively detected; and glyphosate, glufosinate-ammonium and isazofos can be well distinguished from six organophosphorus pesticides with medium concentration, and the method has high selectivity. The nano enzyme provided by the invention is prepared from ammonium citrate and copper nitrate in an N, N-dimethylformamide (DMF) solution by using a solvothermal method; the preparation process of the nano enzyme is simple.

The invention relates to a method for recycling sludge, in particular to a method for enhancing efficient release and recycling of carbon and phosphorus in sludge in a gradient mode. According to the method for stepwise strengthening efficient release and recycling of carbon and phosphorus in sludge, the release efficiency of phosphorus in different occurrence forms in the sludge is improved in a targeted mode, efficient release of inorganic phosphorus and organic phosphorus is achieved through the synergistic effect of multiple steps, meanwhile, efficient release and recycling of carbon are synergistically improved, and the method has the beneficial effects of improving the utilization rate of carbon and phosphorus in sludge and improving the utilization rate of carbon and phosphorus in sludge. The method is used for improving the overall resource recycling efficiency of carbon and phosphorus in the excess sludge and comprises the following steps: 1, pretreating the sludge; 2, pre-treating the green chelating agent to intensify the release of inorganic phosphorus; 3, recovering inorganic phosphorus; 4, resuspending the sludge; 5, strengthening sludge solubilization and hydrolysis by using a peroxidant; 6, anaerobic recycling; 7, recycling carbon and phosphorus resources; the recovery process is simple and convenient, the loss rate is low, the phosphorus recovery rate can reach 80%-99.5%, the acid production efficiency is improved by 14 times or more, and the method has remarkable advantages.

The invention discloses a charcoal nano lanthanum material capable of synchronously removing organic phosphorus and inorganic phosphorus, and belongs to the field of environmental functional materials. The adsorbent comprises biochar and nano lanthanum loaded on the biochar, wherein the biochar is bamboo biochar; the nano lanthanum is in a La (OH) 3 form, the particle size of the nano lanthanum is 1-250nm, and the loading capacity of the nano lanthanum is 3-20wt%; the pore diameter of the biochar nano lanthanum material is 1-30nm, and the specific surface area is 100-250m < 2 > / g. Compared with a biochar-loaded nano lanthanum composite material in the prior art, the composite material has the inorganic phosphorus adsorption performance and also has the organic phosphorus adsorption effect, and inorganic phosphorus and organic phosphorus can be synchronously removed. According to the charcoal nano lanthanum material, organic phosphorus is adsorbed and removed by regulating and controlling the defect form of lanthanum, especially organic phosphonate can be hydrolyzed and removed, meanwhile, large pore channels of bamboo charcoal are beneficial to diffusion of macromolecular organic phosphorus to action sites of lanthanum, and the adsorption and hydrolysis effects of lanthanum on the organic phosphorus are further enhanced.

The invention discloses Burkholderia paradensis and application thereof, and relates to the technical field of microorganisms, the Burkholderia paradensis S3-22L provided by the invention is preserved in China General Microbiological Culture Collection Center (CGMCC), the strain preservation number is GGMCC NO: 31325, the preservation date is July 16, 2024, the preservation number is CGMCC NO: 31325, the preservation number is CGMCC NO: 31325, the preservation number is CGMCC NO: 31325, the preservation number is CGMCC NO: 31325, the preservation number is CGMCC NO: 31325, the preservation number is CGMCC NO: 31325, the preservation number is CGMCC NO: 31325, and the preservation number is CGMCC NO: 31325. The 16S rDNA (ribosomal deoxyribonucleic acid) sequence of the Burkholderia paradensis S3-22L is as shown in SEQ ID NO. 1; the strain obtained through screening can dissolve insoluble inorganic phosphorus and mineralize organic phosphorus, can also produce IAA and siderophore and secrete hydrolytic enzymes such as phosphatase, has an inhibition effect on growth and reproduction of ralstonia solanacearum, has an important application effect on prevention and treatment of plant bacterial wilt, and is harmless to the environment and human beings.

The invention discloses a phosphorus removal adsorbent based on micro-nano air flotation coupling micro-flocculation and a preparation method thereof, and the preparation method comprises the following steps: dissolving carboxymethyl chitosan, mixing with modified hydroxyapatite and a hydrophobic MOF polymer, and polymerizing under the action of an initiator to obtain composite hydrogel; curing the composite hydrogel in a calcium chloride solution, and performing circulating freezing-unfreezing physical crosslinking to obtain the phosphorus removal adsorbent. The organic phosphorus adsorbent and the inorganic phosphorus adsorbent are combined, the phosphorus adsorption capacity of the phosphorus removal adsorbent is enhanced, the hydrophobic MOF polymer with the adsorption effect on hydrophobic new pollutants is uniformly compounded with the organic phosphorus adsorbent, the phosphorus removal adsorbent also has the adsorption effect on insoluble new pollutants in wastewater, and the phosphorus removal adsorbent has the adsorption effect on insoluble new pollutants in wastewater. Under the synergistic effect of the micro-nano air flotation technology, new pollutants adsorbed by micro-nano air flotation are adsorbed by the phosphorus removal adsorbent, and the problems that the binding force of micro-nano air flotation to the new pollutants is low, and the new pollutants are prone to falling off are solved.

The invention provides bacillus pumilus and application thereof, and belongs to the technical field of microorganisms, the bacillus pumilus YM3-12 provided by the invention is preserved in China General Microbiological Culture Collection Center on October 21, 2024, and the preservation number is CGMCC No. 32281; the strain is high in salt and alkali resistance, has the functions of dissolving organic phosphorus, dissolving inorganic phosphorus, dissolving potassium, degrading protein, degrading cellulose, producing iron carriers and the like, can antagonize Erwinia persicae and fusarium oxysporum, has an obvious growth promoting effect on wheat, radishes and cucumbers in a salt and alkali environment, and is very wide in application prospect.

The invention provides a method for degrading organic phosphorus and recycling phosphorus in water in an ozone oxidation system. According to the method, a mode of adding iron or iron salt solution step by step is innovatively adopted, so that the degradation rate of phosphorus-containing organic matters in water, the generation rate of phosphate radicals and the removal of total phosphorus in water are remarkably improved. Besides, the treatment effect is evaluated by monitoring the organophosphorus mineralization rate (taking the generation amount of phosphate radicals as an index) and the removal rate of total phosphorus in water, experiments show that the method can increase the organophosphorus mineralization rate by 30% or above, and the removal rate of total phosphorus reaches 95%. Compared with the conventional one-time addition of iron or iron salt, the method has the advantages that the mineralization rate of organophosphorus and the removal rate of total phosphorus are effectively improved through a step-by-step addition strategy, the direct precipitation of an organophosphorus intermediate product is promoted, the use amount of ozone and the addition amount of iron are remarkably reduced, the reaction time is greatly shortened, and the recovery efficiency of phosphorus resources is further improved. The method is low in cost and suitable for advanced treatment of organic phosphorus-containing wastewater in the industries of pesticides, electroplating and the like.

The invention discloses a Brucella with antibacterial activity and application of the Brucella. The invention discloses Burkholderia sp.HNIV0701, and the preservation number of the Burkholderia sp.HNIV0701 is GDMCC No: 66007. The Burkholderia sp.HNIV0701 disclosed by the invention has a stable, efficient and broad-spectrum antibacterial property, has an inhibition effect on a plurality of plant pathogenic bacteria such as Botryosphaeria dothidea, Phytophthora nicotianae, Fusarium solani, Alternaria alternata, Thanatepora cucurbitae, Ralstonia solanacearum and the like, and also can be used for inhibiting Staphylococcus aureus and / or Listeria monocytogenes, so that the Burkholderia sp.HNIV0701 can be used for inhibiting a plurality of plant pathogenic bacteria such as the Botryosphaeria dothidea, the Phytophthora nicotianae, the Fusarium solanum, the Alternaria solanacearum and the like. The Brucella HNIV0701 can hydrolyze organic phosphorus and can be used for soil improvement. The Brucella HNIV0701 has nitrogen fixation capability and has the potential of promoting plant growth.

The invention discloses a sphingomonas sphingomonas, a bacterial agent thereof and application of the sphingomonas sphingomonas sphingomonas sphingomonas sphingomonas sphingomonas sphingomonas sphingomonas sphingomonas sphingomonas sphingomonas sphingomonas sphingomonas sphingomonas sphingomonas sphingomonas sphingomonas sphingomonas sphingomonas sphingomonas sphingomonas sphingomonas sphingomonas sphingomonas sphingomonas sphingomonas sphingomonas sphingomonas The sphingomonas disclosed by the invention has excellent saline-alkaline tolerance, has the functions of fixing nitrogen, decomposing organic phosphorus and producing ACC deaminase, breaks through the limitation of single function of a traditional strain, and has a very good application prospect in saline-alkaline soil improvement, plant growth promotion and ecological restoration.

The invention relates to the technical field of nano-materials, in particular to a CeO2 nano-enzyme with controllable surface performance as well as a preparation method and application of the CeO2 nano-enzyme. The preparation method comprises the following steps: preparing a CeMOFs precursor by using a solvent-free method; the CeMOFs precursor is subjected to thermal activation treatment, and the CeO2 nano-enzyme with the controllable surface performance is obtained; the invention also provides an application of the CeO2 nano enzyme in the detection of organophosphorus ester compounds. CeMOFs are synthesized through a direct pyrolysis solvent-free method, then CeO2 with high phosphatase sample activity is prepared, and a sensitive colorimetric method is provided for evaluating the degree of organic phosphorus pollution to food and environmental water samples.

The invention discloses a sporosarcina sp. Strain RH34 and an application of the sporosarcina sp. Strain RH34 and the application of the sporosarcina sp. Strain RH34. The sporosarcina strain RH34 is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation address is No.3, yard 1, Beichen West Road, Chaoyang District, Beijing, the preservation date is December 25, 2024, and the preservation number is CGMCC NO.33199. The sporosarcina strain RH34 can be used for preparing the sporosarcina strain RH34. The alfalfa rhizosphere microorganism sporosarcina strain RH34 is separated from alfalfa roots in salinized soil, and has the functions of dissolving organic phosphorus, dissolving inorganic phosphorus, producing biological membranes, producing siderophores, producing IAA and producing ACC deaminase. Seed soaking and germination under salt stress can obviously improve the germination index of alfalfa seeds. The growth condition of alfalfa seedlings can be improved under salt stress.

The invention relates to the technical field of hydrolysis and electrocatalytic oxidation, in particular to an electroanode composite hydrolysis membrane capable of synchronously performing hydrolysis on organophosphorus pollutants and electrocatalytic oxidation reaction on byproducts as well as a preparation method and application of the electroanode composite hydrolysis membrane. A composite conductive catalytic layer is loaded on a polyvinylidene fluoride membrane, and the composite conductive catalytic layer comprises acidized multi-walled carbon nanotubes and a zirconium-based metal organic framework with zirconium as a metal center. Meanwhile, by virtue of the characteristics of a height-adjustable topological structure, a relatively large specific surface area and high conductivity of carbon nano-particles of the metal organic framework, continuous operation of the electric anode composite hydrolysis catalytic membrane in a flow-type reactor is realized, so that the contact and oxidation efficiency of pollutants and a composite membrane interface is improved; and the problems of traditional mass transfer limitation and treatment of toxic by-products after pollutant hydrolysis are solved. The electroanode composite membrane can realize synchronous hydrolysis of organic phosphorus pollutants and degradation of toxic by-products.

The invention provides an organophosphorus mineralization composite flora with wide pH (potential of hydrogen) adaptability and application of the organophosphorus mineralization composite flora. The organophosphorus mineralization composite flora comprises subterranean bacillus subterraneus, stenotrophomonas sp and Cupriavidus sp. The organophosphorus mineralization composite flora has the advantages that the organophosphorus mineralization composite flora has wide pH adaptability, and the organophosphorus mineralization composite flora comprises the subterranean bacillus subterraneus, the stenotrophomonas sp. And the Cupriavidus sp. The organophosphorus mineralization composite flora provided by the invention can be widely used in acid-base environments; wherein the capacity of the phosphatase secreted by the three bacteria is not interfered by the external phosphorus concentration, and the phosphatase is constitutive phosphatase, so that a large amount of phosphatase can be secreted no matter which phosphorus concentration is high or low. The organophosphorus mineralization composite flora remarkably promotes mineralization of organophosphorus and release of phosphorus in the organic fertilizer, improves the nutrient efficiency of the organic fertilizer, and can play a role in mineralizing organophosphorus in both acid soil and alkaline soil.

The present invention provides Paraburkholderia sp. LSOJM18 and use thereof as well as a microbial inoculum, belonging to the technical field of microorganisms. The Paraburkholderia sp. LSOJM18 was deposited to the China Center for Type Culture Collection on Dec. 29, 2022, with the depository number CCTCCNO: M20222102. With a strong phosphate solubilization capacity, the strain provided by the present invention is suitable for activating phosphorus in farmland soil. Using the phosphate-solubilizing bacteria can significantly increase the available phosphorus content of soil and reduce the application of chemical phosphate fertilizers. Acting on a wide range of substrates, the phosphate-solubilizing bacteria strain provided by the present invention can not only secrete phosphatase to hydrolyze organic phosphorus, but also release small molecules such as organic acids, etc., to activate the fixed inorganic phosphorus, and using the phosphate-solubilizing bacteria can significantly improve the phosphorus activation capacity of soil.

The invention relates to paenibacillus polymyxa capable of preventing diseases, resisting stress and promoting growth and application of the paenibacillus polymyxa, and belongs to the technical field of microorganisms, the paenibacillus polymyxa SS44 has the characteristics of degrading protein, degrading fat, degrading cellulose, dissolving potassium, fixing nitrogen, dissolving organic phosphorus, dissolving inorganic phosphorus and producing exopolysaccharide. The strain is capable of antagonizing pathogenic bacteria fusarium oxysporum and fusarium fusiforme which can cause potato fusarium wilt, sweet potato root rot, soybean root rot, alfalfa root rot and the like, can improve sandy soil, can generate a good growth promoting effect on wheat, soybean and corn in saline-alkali soil and sandy barren soil environments, and is very wide in application prospect.

The present invention relates to the field of lithium-ion battery positive electrode materials. A preparation method for an iron phosphate material. The method comprises the following steps: mixing an organic phosphorus solution with humic acid, so as to obtain a mixed solution; adding a solution containing ferrate radicals into the mixed solution, so as to obtain a solution containing ferric iron; adjusting the pH of the solution containing ferric iron to generate a precipitate, and filtering same to obtain the precipitate; and drying the precipitate, and removing crystal water, so as to obtain an anhydrous FePO4 material. By using a ferrate to oxidize organic phosphorus, the ferrate itself is reduced into ferric iron, and provides an iron source and also serves as an oxidizing agent; by introducing humic acid during the oxidation process, a competitive oxidation relationship with the organic phosphorus is formed; the ferrate is activated into an iron-based intermediate having higher oxidizability; and after the humic acid is oxidized, the electronegativity is enhanced, such that iron ions can be adsorbed to play a dispersing role, thereby preventing the generated iron phosphate from being agglomerated, such that the particle size thereof is uniform, which is conductive to improving the electrical properties of the subsequently prepared lithium iron phosphate.

The invention relates to the technical field of pesticide detection, and discloses a multi-component colloidal gold test strip for rapid detection of organophosphorus as well as a preparation method and application thereof, the preparation method comprises the following steps: preparing a specific antibody of the organophosphorus, and preparing a colloidal gold solution at the same time; mixing and incubating the specific antibody and a colloidal gold solution to obtain an antibody-labeled colloidal gold solution; pre-treating a detection pad, and immersing the detection pad in the antibody-labeled colloidal gold solution to obtain an impregnated pad; and sequentially assembling the dried dipping pad, a water absorption pad, a sample pad and a combination pad on a bottom plate to form a complete test strip. By improving the preparation process of the antibody and the assembly technology of the test strip, the detection sensitivity and specificity are remarkably improved. The test strip is simple and convenient in preparation process, high in cost benefit and convenient for large-scale production. In addition, the test strip is convenient to use and does not need to depend on professional equipment or technicians, and the detection result is visual and convenient to read.

The invention relates to the technical field of environmental microorganisms, in particular to arthrobacterium Arth.R8 and application thereof, and the preservation number of the arthrobacterium Arth.R8 is GDMCC No.63567. The arthrobacter Arth.R8 has the effects of fixing nitrogen, dissolving organic phosphorus, promoting growth and promoting nodulation. The arthrobacter Arth.R8 disclosed by the invention can be used for promoting absorption and utilization of nutrient substances such as nitrogen and phosphorus in a plant growth process, inhibiting growth of fusarium graminearum and promoting plant growth, and a new microbial strain resource is provided for realizing reduction and synergism of chemical fertilizers in agricultural production.

The invention discloses tobacco bacterial wilt biocontrol burkholderia and application thereof, relates to the technical field of agricultural microorganisms, and is technically characterized in that the burkholderia S8288 is preserved in China General Microbiological Culture Collection Center (CGMCC) in October 2024, the preservation number of the burkholderia S8288 is CGMCC NO.32293, the preservation number of the burkholderia S8288 is CGMCC NO.32293, and the preservation number of the burkholderia S8288 is CGMCC NO.32293. The 16S rRNA (ribosomal Ribonucleic Acid) gene sequence of the Burkholderia sp. S8288 strain is as shown in SEQ ID No. 1. The strain has a good inhibition effect on pathogenic fine diseases and oomycetes such as Coreiella solani causing tobacco bacterial wilt and phytophthora nicotianae causing tobacco black shank, and the prevention effect on the tobacco bacterial wilt reaches 50%. The strain can induce death of plant cells and stimulate expression of plant-related immune genes. Besides, the Burkholderia sp. S8288 can decompose potassium, hydrolyze inorganic phosphorus and organic phosphorus and produce protease and NH3, and has potential capabilities of improving soil nutrition and promoting crop growth, and greenhouse tests show that the strain can significantly promote tobacco growth and development.

The invention relates to the field of packaging materials, and particularly discloses a degradable environment-friendly electric insulation plastic packaging bag and a preparation method thereof. The degradable environment-friendly electric insulation plastic packaging bag is prepared from the following raw materials in parts by weight: 100 parts of polylactic acid, 1-4 parts of organic zirconium phosphate, 2-5 parts of hydrophobic modified cellulose nanocrystals, 4-10 parts of polyimide / aluminum fluoride composite nanofibers, 1-3 parts of a dispersing agent, 1-4 parts of an antioxidant, 3-5 parts of inorganic filler, 1-3 parts of a slipping agent, 1-3 parts of an antistatic agent and 3-5 parts of a flame retardant. The packaging bag can be used for objects with high requirements for electrical insulation, has high electrical insulation capacity at high temperature, and is high in transparency and mechanical property.

The invention discloses a Burkholderia sp D8 strain and application thereof, the Burkholderia sp D8 strain is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation date is November 15, 2024, and the preservation number is CGMCC NO: 32674. The Burkholderia sp D8 strain has the advantages that the Burkholderia sp D8 strain can be used for preparing the Burkholderia sp D8 strain, and the Burkholderia sp D8 strain can be used for preparing the Burkholderia sp D8 strain; the Burkholderia sp D8 disclosed by the invention is convenient to culture and high in growth speed; the capacity of rapidly and efficiently fixing nitrogen and dissolving inorganic phosphorus and organic phosphorus is achieved; the function of rapidly and efficiently generating protease and siderophore is realized; the salt-tolerant range is wide, and the adaptability is high; the compound can be used as a soil remediation agent, and can effectively improve the contents of organic matters, total nitrogen, alkali-hydrolyzable nitrogen, total phosphorus, available phosphorus and the like in soil.

The invention discloses a PC / PCTG composite material as well as a preparation method and application thereof, and relates to the technical field of modified PC / PCTG composite materials. The invention provides a PC / PCTG composite material. The PC / PCTG composite material comprises the following components in parts by weight: 55-75 parts of PC resin, 20-35 parts of PCTG resin, 1-5 parts of SMA resin, 3-7 parts of an organic phosphorus flame retardant and 0.1-0.5 part of titanate, the mass percentage content of maleic anhydride in the SMA resin is greater than or equal to 13%. According to the polycarbonate composite material, the SMA resin, the organic phosphorus flame retardant and the titanate in specific parts by weight are cooperated with specific components, so that the heat resistance, the solvent resistance and the flame retardance of the polycarbonate composite material can be improved under the condition of ensuring good light transmittance.

The invention relates to the technical field of ecological agriculture, and discloses a phytase fungicide fertilizer as well as a production method and application thereof. 1-10 parts of a phytase high expression strain; 1-8 parts of a phytase solution; 1.7 to 9 parts of an embedding material; 3-8 parts of pH buffer particles; 10-30 parts of a micro-carbon carrier; 0.02 to 0.10 part of an indoleacetic acid microcapsule; and 30-60 parts of humus powder. The invention further provides a production method of the phytase fungicide fertilizer. The method comprises the following steps: S1, performing liquid fermentation on a phytase high-expression strain; s2, mixing the thalli with an enzyme solution; s3, adding pH buffer particles into the embedded particles; s4, drying the granules in a spray drying manner; and S5, mixing the dried product with humus powder, and granulating. By constructing a microbial inoculum system containing a phytase high-expression strain, efficient activation and conversion of organic phosphorus resources are realized, and the release efficiency of the fertilizer to phosphorus resources is improved.

The invention relates to the technical field of cables, and discloses a flame-resistant polyethylene wire and cable and a production method thereof.The wire and cable comprises a metal conductor and a polyethylene cable material wrapping the outer side of the metal conductor, and the polyethylene cable material takes high-density polyethylene and low-density polyethylene as main raw materials; according to the preparation method, a polyethylene matrix is used as a main material, an organic-inorganic composite flame retardant and other additives are used as auxiliary materials, mixing and extrusion processes are performed, the prepared organic-inorganic composite flame retardant is palygorskite of which the surface is coated with a phosphorus-containing polymeric macromolecular substance, and the organic phosphorus-containing polymeric macromolecular substance can form a'transition 'connection structure between the palygorskite and the polyethylene matrix; the transition structure can greatly improve the compatibility between the palygorskite and a polyethylene matrix, so that a mutual uniform dispersion effect can be generated between the palygorskite and the polyethylene matrix, and further the reinforcing effect of the organic-inorganic composite flame retardant can be utilized to improve the mechanical strength and flame resistance of the polyethylene.