71 results about "Phosphate potassium" patented technology

The invention relates to a high-antistatic crude oil type polyester FDY spinning oil agent and a preparation method thereof, a composition of sodium lauryl polyoxyethylene ether sulfate and potassium lauryl phosphate is used as a main antistatic agent, an antistatic smoothing agent with sulfonated chitosan and PEG800 as key components is adopted, the antistatic smoothing agent and the main antistatic agent have a synergistic effect, and the antistatic property of the spinning oil agent is improved. The overall antistatic property of the oiling agent is enhanced. The preparation method comprises the following steps: pre-balancing the materials at 40-50 DEG C before charging; then, sequentially adding an antistatic smoothing agent, a penetrating agent, a bundling agent, a main antistatic agent and an anti-coking agent, and adding materials while stirring; and finally, controlling the temperature of the reaction kettle to be 40-50 DEG C and the stirring speed to be 500-700r / min, and reacting for 0.5-1.5 hours. The crude oil type polyester FDY oiling agent is excellent in antistatic property, and polyester FDY spinning can be carried out in a crude oil direct oiling mode at the ultrahigh spinning speed of 4000 m / min.

The invention discloses a thermal shock resistant phosphate cement-based steel structure coating, which comprises: a bottom coating, which comprises 80-90 parts of potassium magnesium phosphate cement, 5-10 parts of an inorganic filler, 0.5-2.0 parts of an antifoaming agent, 1.0-3.0 parts of a high temperature resistant auxiliary agent, and 0.5-1.5 parts of reinforced fibers; and the reinforced surface layer is coated on the outer side of the bottom coating and comprises 60-70 parts of potassium magnesium phosphate cement, 5-10 parts of an inorganic salt phase change material, 5-15 parts of a fiber reinforced material, 2.0-5.0 parts of a repairing agent, 0.8-1.5 parts of a fire-resistant additive and 10-20 parts of lightweight aggregate. The invention further discloses a construction method of the thermal shock resistant phosphate cement-based steel structure coating. The phosphate cement-based coating is formed by combining a double-layer gradual change structure, the self-repairing agent and the heat-resistant phase change material, the durability and thermal shock resistance of the coating in a high-temperature environment can be remarkably improved, meanwhile, the excellent self-repairing capacity is achieved, and the service life of the coating is prolonged.

The present invention relates to an aluminum oxide CMP polishing solution for a SIC substrate and a preparation method therefor. The polishing solution comprises the following raw materials in parts by weight: 8-10 parts of aluminum oxide powder, 8-10 parts of a suspending agent, 8.5-10 parts of a dispersant, 4-5 parts of a pH regulator, 5-6 parts of an oxidizing agent, 4-5 parts of a defoamer, and 75-80 parts of deionized water. The dispersant is one or a mixture of fatty alcohol ether phosphate, fatty alcohol ether phosphate potassium salt, isotridecyl phosphate, polyethylene glycol stearate, polyethylene glycol monolaurate, and polyethylene glycol monooleate. In the present invention, full dispersion and stable suspension of aluminum oxide micropowder can be achieved without any agglomeration, such that abnormal scratches can be prevented from being generated in a grinding process and then affecting the polishing quality; in addition, the use of an alkaline polishing solution can effectively protect devices from damage, prolong the service life of the devices, and increase the machining precision.

The application provides a weathering steel surface rust layer stabilizing treatment agent for industrial atmospheric environment, and the chemical composition of the weathering steel surface rust layer stabilizing treatment agent is as follows in terms of mass fraction: 25-45% of acrylic resin, 2.0-6.0% of chromium sulfate, 3.0-8.0% of ferrous oxide, 2.0-6.0% of ferric oxide, 0.5-3.5% of copper sulfate, 0.3-1.5% of sodium bisulfite, 1.0-6.0% of sodium molybdate, 0.5-3.5% of nickel sulfate, 2.0-5.0% of potassium phosphate, 0.05-0.5% of surfactant, 0.05-0.5% of defoaming agent, 0.05-0.5% of dispersing agent, 0.05-0.5% of thickening agent, and the balance is water, wherein the amount of plasticizer added is 2-5% of the resin. The stabilizing treatment agent in the application can promote the weathering steel surface to form a stable and dense rust layer within 0.5-1 year after the surface of the weathering steel is treated before use.

The invention belongs to the field of biomedical materials, and relates to a chitosan calcium sulphoaluminate-potassium magnesium phosphate composite bone material as well as a preparation method and application thereof. The calcium sulphoaluminate-potassium magnesium phosphate composite bone material is formed by curing a calcium sulphoaluminate-potassium magnesium phosphate composite bone material and a chitosan solution, the calcium sulphoaluminate-potassium magnesium phosphate composite bone material comprises the following components in percentage by mass: 5-40% of calcium sulphoaluminate, 0.01-3.0% of boric acid and the balance of dead burned magnesium oxide and monopotassium phosphate, and the molar ratio of magnesium in the dead burned magnesium oxide to phosphorus in the monopotassium phosphate is (1-4): 1. The material provided by the invention has remarkable mechanical property, biological activity, cytotoxicity, injectability, non-transmissivity, coagulation property, degradability, absorbability and the like. Meanwhile, the bone material contains unreacted and degradable monopotassium phosphate, magnesium oxide and other substances, and due to the reasonable degradability and absorbability design of the bone material, the material can be gradually degraded in vivo and can grow along with bone tissue, and the treatment effect is further improved.

The invention discloses a low-foam acidic zinc plating additive and a preparation process thereof, and belongs to the technical field of electroplating additives, the additive comprises a low-foam softening agent and a water-based brightener, and the low-foam softening agent comprises the following raw materials in percentage by mass: 0.8-1.2% of polyethyleneimine, 0.03-0.06% of monododecyl phosphate potassium, 0.2-0.6% of water-soluble polyether amine and the balance of water. The water-based brightener is prepared from the following raw materials: 0.6 to 1.2 percent of 5-hydroxymethylfurfural, 0.2 to 0.4 percent of L-cysteine salt, 0.1 to 0.15 percent of 4-amino-2 (1H) pyrimidone, 0.05 to 0.1 percent of sodium salicylate, 1 to 1.5 percent of citric acid, 0.3 to 0.5 percent of alpha-ketoglutaric acid, 0.2 to 0.4 percent of erythorbic acid and the balance of water. The water-based formula is prepared by optimizing the components in the additive, the components are uniformly dispersed, the foam amount is low, and the plating quality is good.

The invention relates to an anti-blocking agent special for ammonium chloride. The main components of the anti-blocking agent comprise fatty alcohol ether phosphate potassium salt, a water-soluble high-molecular polymer and a preservative. The use method is very simple and convenient, the cost is low, and the performance is excellent. In addition, the paint does not pollute the environment and can be stored for a long time. According to the invention, the use method of the anti-blocking agent comprises the following steps: diluting water to a concentration of 2%-3%, and then spraying the diluted anti-blocking agent on ammonium chloride in a granulation process in a uniform atomization manner. It needs to be noted that the adding amount of the anti-blocking agent needs to be properly adjusted according to the sizes of ammonium chloride particles and different storage environments so as to ensure that the optimal anti-blocking effect can be achieved.

The invention discloses a water-soluble fertilizer containing potassium phosphite as well as a preparation method and application of the water-soluble fertilizer, and relates to the technical field of fertilizers. Comprising the following steps: mixing 26-28 parts by mass of urea, 23-25 parts by mass of monoammonium phosphate, 3-11.5 parts by mass of monopotassium phosphate, 1.7-15 parts by mass of potassium phosphite, 1.5-2.5 parts by mass of potassium sulfate, 32-35 parts by mass of potassium nitrate, 2.3-4 parts by mass of anhydrous magnesium sulfate and 0.5-3 parts by mass of an antioxidant, bagging, filling nitrogen, and sealing to obtain the water-soluble fertilizer. The urea, the monoammonium phosphate, the monopotassium phosphate, the potassium phosphite, the potassium sulfate, the potassium nitrate, the anhydrous magnesium sulfate and the antioxidant are used as raw materials, the potassium phosphite can be generated, the antioxidant can prevent the potassium phosphite from being oxidized in the fertilizer, the stability of the fertilizer is enhanced, the activity of immune protein in a plant body is activated, and the powdery mildew resistance of the plant body is improved; and moreover, high-concentration anthocyanin is generated, so that color change of flowers is facilitated, and the market application range of potassium phosphite is widened.

The invention belongs to the technical field of metallurgy, and particularly relates to a comprehensive utilization method of waste lithium iron phosphate lithium extraction slag. According to the method, the waste lithium iron phosphate lithium extraction slag is used as a raw material, potassium hydroxide is used as an additive for aerobic calcination, carbon in the lithium extraction slag is combusted, lithium iron phosphate is decomposed, then aqueous solution leaching is carried out to enable phosphorus to be dissolved into a solution in a potassium phosphate form, a leaching solution is purified and then evaporated, concentrated and crystallized to form potassium phosphate, and the lithium iron phosphate is obtained. Potassium phosphate is dissolved in water to react with ferric chloride, calcium chloride, magnesium chloride and the like to prepare ferric phosphate, tricalcium phosphate or trimagnesium phosphate, and leaching residues are dried and converted into ironmaking raw materials with iron oxide as a main component. Through the steps of water leaching pretreatment, calcination oxidation, potassium phosphate conversion, leaching residue recovery and the like, the problems that in the prior art, the waste lithium iron phosphate lithium extraction residues are low in additional value and cannot be effectively utilized are solved, the waste lithium iron phosphate lithium extraction residues are effectively utilized, and efficient separation and high-value utilization of phosphorus and iron resources are achieved.

The invention discloses a steel hydrophobic coating as well as a preparation method and application thereof. The coating comprises the following raw materials in parts by weight: 22-26 parts of monopotassium phosphate, 61-67 parts of magnesium oxide, 5-14 parts of a setting time regulating agent and 2-5 parts of isooctyl triethoxy silane. The preparation method comprises the following steps: mixing 5-14 parts of a setting time regulating agent and 30-34 parts of magnesium oxide to form a mixed solution A; and 2, mixing the solution A with 30-34 parts of magnesium oxide, 22-26 parts of potassium dihydrogen phosphate and 2-5 parts of isooctyl triethoxy silane at normal temperature, and stirring for reaction to obtain the steel hydrophobic coating. The invention also discloses an application of the steel hydrophobic coating in steel corrosion prevention. After the magnesium potassium phosphate gel, the borax and the isooctyl triethoxy silane are added into the raw materials of the coating, the hydrophobicity of the material is greatly improved, the service life is greatly prolonged, and the durability is greatly improved; the coating provides excellent corrosion resistance for the whole soaking period of the steel substrate.

The invention discloses a magnesium potassium phosphate cementing material, raw materials, a preparation method and application, the magnesium potassium phosphate cementing material comprises the following raw materials by weight: 200 parts of dead burned magnesium oxide, 125 parts of potassium dihydrogen phosphate and 8 parts of a retarder; or, the magnesium potassium phosphate cementing material comprises the following raw materials in parts by weight: 100 parts of dead burned magnesium oxide, 100 parts of monopotassium phosphate and 3 parts of a retarder, or, the magnesium potassium phosphate cementing material comprises the following raw materials in parts by weight: 250 parts of dead burned magnesium oxide, 150 parts of monopotassium phosphate and 10 parts of a retarder, the retarder is sodium pyrophosphate. According to the invention, the setting time of the magnesium potassium phosphate cementing material can be prolonged according to engineering requirements, and meanwhile, the strength of the magnesium potassium phosphate cementing material after setting is ensured, so that the magnesium potassium phosphate cementing material can be suitable for different engineering operations.

The invention relates to a flow battery electrolyte and an application thereof. The flow battery electrolyte comprises vanadium ions, a supporting electrolyte and an additive, the additive is selected from one, two or more of ammonium sulfate, ammonium phosphate, potassium phosphate, sodium metaphosphate, diammonium hydrogen phosphate and hydrogen peroxide. According to the vanadium battery electrolyte provided by one embodiment of the invention, the specific additive is added, so that vanadium ions can be in a liquid state or a microemulsion state, separation or precipitation of the vanadium ions is prevented, and the efficiency of the battery is remarkably improved.

The invention belongs to the technical field of aerogel preparation, and particularly relates to a method for generating cristobalite aerogel based on induction of potassium phosphate and magnesium phosphate. The preparation method comprises the following steps: firstly, introducing potassium phosphate or magnesium phosphate into tetramethoxysilane (TMOS) hydrolysate to prepare transparent SiO2 aerogel, and then carrying out centrifugal spinning and sintering treatment to obtain the cristobalite micro-nano fiber aerogel with a crystalline structure and a fiber structure. According to the method, a metal-induced crystallization mechanism is utilized, partial conversion from amorphous SiO2 to cristobalite crystal can be realized at a relatively low temperature, and the generated aerogel fiber has excellent mechanical properties and thermal stability. Meanwhile, the method is simple and convenient in process and low in cost, SiO2 crystallization can be realized at a relatively low temperature, and the application requirements of high-performance fiber aerogel are met.

The application discloses a low-foam acid zinc plating additive and a preparation process thereof, and belongs to the technical field of electroplating additives. The additive comprises a low-foam softener and a water-based brightener. The low-foam softener comprises the following raw materials in percentage by mass: polyethylene imine 0.8-1.2%, monododecyl phosphate potassium 0.03-0.06%, water-soluble polyether amine 0.2-0.6%, and the balance is water. The water-based brightener comprises the following raw materials: 5-hydroxymethyl furfural 0.6-1.2%, L-cysteine salt 0.2-0.4%, 4-amino-2(1H) pyrimidinone 0.1-0.15%, sodium salicylate 0.05-0.1%, citric acid 1-1.5%, alpha-ketoglutaric acid 0.3-0.5%, isoascorbic acid 0.2-0.4%, and the balance is water. The application optimizes the components in the additive, prepares a water-based formula, and the components are uniformly dispersed, the foam amount is low, and the plating layer quality is good.

The invention relates to potassium alkyl phosphate as well as a preparation method and application thereof, and the potassium alkyl phosphate is prepared by taking aminophosphonic acid and 1, 2-alkylene oxide as reaction raw materials. The alkyl phosphate salt provided by the invention contains more than two hydrophobic tail chains and hydrophilic head groups, so that the aggregation capacity of the alkyl phosphate salt in an aqueous solution is effectively improved, the alkyl phosphate salt is arranged more tightly in a fiber surface adsorption layer, and higher surface / interface activity is shown; meanwhile, the hydrophilic head group of the potassium phosphate carries negative charges and contains hydroxyl, intramolecular hydrogen bonds and intermolecular hydrogen bonds are easily formed, the hydration effect is good, and the electrostatic conduction efficiency is effectively improved. After the potassium alkyl phosphate provided by the invention acts on chemical fibers, especially polyester staple fibers, the fibers can be endowed with excellent antistatic property under the condition of lower dosage, and the pollution to the water environment is reduced while the cost of a fiber auxiliary agent is reduced.

The present application relates to the technical field of lithium ion battery recycling, in particular to a method for stripping lithium ion battery pole piece and application thereof. The method for stripping lithium ion battery pole piece comprises: immersing the pole piece into a mixed solution containing a stripping agent and a stripping aid for reaction, and obtaining the separated active material layer and the current collector layer after a period of time; the stripping agent comprises a carboxylic acid containing at least two carboxyl groups; the stripping aid comprises at least one of sodium fluoride, potassium fluoride, ammonium fluoride, phosphoric acid, sodium phosphate, monosodium phosphate, sodium metaphosphate, potassium phosphate, monopotassium phosphate, potassium metaphosphate, ammonium phosphate, disodium ethylenediaminetetraacetate, tetrasodium ethylenediaminetetraacetate, inositol hexaphosphate and its salt, inositol pentaphosphate and its salt, inositol tetraphosphate and its salt, and inositol triphosphate and its salt. The method can realize the separation of the active material and the current collector, the hydrogen production amount is small during the whole stripping process, the current collector obtained after stripping is intact, the separation time is short, and the separation efficiency is high.

The invention relates to the technical field of potassium phosphate preparation, and discloses an industrial preparation method of instant monopotassium phosphate, which comprises the following steps: transforming idle washing powder production equipment into an equipment system for preparing the instant monopotassium phosphate; preparing a potassium hydroxide solution with the concentration of 20-90% in an alkali dissolving tank; the method comprises the following steps: mixing a phosphoric acid solution with a potassium hydroxide solution for reaction to obtain a neutralization solution, and atomizing the neutralization solution into liquid drops through a pressure atomization system at the upper part of a drying tower. By breaking through waste heat recovery and utilization in industrial production, reform of a production process technology and establishment of an LTE (Long Term Evolution) technology, one-step puffing drying of a neutralization solution obtained by reaction of wet-process phosphoric acid and potassium hydroxide in a powder spraying tower is realized, and hollow, loose and porous KDP201 particles are formed.

The application discloses a preparation method of waste wood regenerated aggregate concrete, which comprises the following steps: (1) diluting glycerol with anhydrous ethanol to form a base solution, and then adding magnesium potassium phosphate cement, tricalcium silicate powder, sodium alginate powder and fly ash into the base solution to uniformly disperse and form a slurry; then, the slurry is coated on the surface of wood aggregate, and after being dried, modified wood aggregate is obtained; (2) mixing basalt fibers with an alkali solution and then performing heat preservation, and after completion, the basalt fibers are washed to obtain modified basalt fibers; then, the modified basalt fibers, the modified wood aggregate, ordinary Portland cement, gravel, sand, fly ash, a water reducing agent and mixing water are uniformly mixed to obtain a concrete slurry. The technical scheme of the application effectively improves the strength of the concrete containing wood aggregate, and is beneficial to promoting the popularization and application of waste wood in concrete.

The present application relates to the field of microorganisms, and specifically discloses a Bacillus spporidia HP‑2 and an application thereof; a Bacillus spporidia HP‑2, which is deposited in the China Center for Type Culture Collection with a deposit number of CCTCCNO.M20221789; a biological fertilizer comprising the following raw materials: soybean meal, potassium phosphate, diammonium phosphate, EDTA chelated magnesium, EDTA chelated calcium, EDTA chelated iron, zinc sulfate, humic acid, biological fiber, breathable filler, and Bacillus spporidia HP‑2 bacterial liquid; the Bacillus spporidia HP‑2 bacterial liquid is prepared from Bacillus spporidia HP‑2; Bacillus spporidia HP‑2 has the advantages of high temperature resistance and alkali resistance, and can increase crop yield after application.

The invention aims to protect an organic potassium phosphate liquid fertilizer and a preparation method thereof. The liquid organic potassium phosphate is obtained by esterification of orthophosphoric acid and binary or trihydric alcohol and salt formation with potassium carbonate or potassium hydroxide, can replace inorganic potassium hydrogen phosphate and potassium dihydrogen phosphate to be used as a fertilizer, has excellent leaf affinity, can be quickly absorbed at leaves and roots, enters plants and does not need to be converted into phospholipid, and the organic potassium phosphate can be used as an organic fertilizer. The phosphate can be directly utilized after being absorbed by plants, so that the absorption and utilization rate of phosphorus and potassium is effectively improved, and the effect is quick; meanwhile, the stability of phosphorus is improved, the phosphorus and medium trace elements are not prone to generating precipitates, the phosphorus can be well mixed with pesticides, the fertilizer is suitable for modern fertilization modes such as unmanned aerial vehicle flight prevention, and the defect that leaves are damaged due to traditional high-concentration application of monopotassium phosphate is overcome. The method has the advantages of mild reaction, operation at normal temperature, no need of heating and simple synthesis steps, and is suitable for industrial production and large-scale popularization and application.

The invention discloses a composite thallium removal agent for treating thallium-containing wastewater, a preparation method thereof and an application thereof. The composite thallium removal agent comprises the following raw material components: magnesium sulfate, potassium phosphate, ferrous sulfide, sodium alginate, sodium citrate and sodium selenite. The composite thallium removal agent of the invention can quickly convert thallium ions into large-particle thallium composite precipitates through the mutual cooperation of various effective components, so as to facilitate the efficient purification of thallium-containing wastewater, and has the advantages of low treatment cost, good thallium removal effect and green environmental protection. It is a novel thallium removal agent with excellent thallium removal performance, which can be widely used to treat thallium-containing wastewater of various water qualities, and can realize deep treatment. In particular, through the combined action of processes such as "polyaluminium ferric sulfate + composite thallium removal agent + flocculant", not only high-quality thallium-containing filter residues can be obtained, and the resource recovery and utilization of thallium can be realized, but also the water body can be effectively purified, so that the thallium content in the filtrate is less than 5μg / L.

The present application relates to the field of potassium hypophosphite production, and particularly relates to a method and system for co-producing potassium hypophosphite and potassium phosphite, which comprises: replacing all the reaction kettles and pipelines with nitrogen to maintain a slight positive pressure in the system; continuously feeding potassium hydroxide aqueous solution and molten yellow phosphorus into the first-stage reaction kettle to generate potassium hypophosphite and phosphine through disproportionation reaction; feeding the reaction liquid into the second-stage reaction kettle to gradually increase the alkali concentration, and convert part of the potassium hypophosphite into potassium phosphite; feeding the reaction liquid into the third-stage reaction kettle to maintain the alkali concentration at a certain level, and convert part of the potassium hypophosphite into potassium phosphite and release hydrogen; feeding the reaction liquid into the fourth-stage reaction kettle to maintain the alkali concentration at a certain level, and continuously discharge the product containing the mixture of potassium phosphite and potassium hypophosphite from the fourth-stage reaction kettle after the reaction approaches equilibrium, thereby improving the production efficiency, reducing the raw material cost, improving the process safety, thermal energy utilization efficiency and product quality, and realizing the comprehensive utilization of the gas byproducts.

The invention discloses a rubber powder surface modification method based on MgO coating loading and application of the rubber powder surface modification method in potassium magnesium phosphate cement. Belongs to the field of cement-based material modification. The invention aims to solve the problem that the interface inertia of high-hydrophobicity rubber powder cannot be effectively improved by the existing modification method. The method comprises the following steps: carrying out alkali solution pretreatment on rubber powder; adding the pretreated rubber powder into an alkaline tannic acid solution or an acidic silane coupling agent solution, slowly adding MgO dispersion liquid while stirring, and reacting; and then standing, aging, cleaning and drying. According to the invention, the compatibility problem of the rubber powder as a flexible filler in a cement-based material is effectively improved, and the soft water erosion resistance and damping performance of the material are improved, so that the application range of the material in high-durability structure repair, roads and bridges, railway engineering and functional environment-friendly building materials is widened.

The invention provides a silicon-potassium-phosphorus-zinc-magnesium slow-release fertilizer and a preparation method thereof.The silicon-potassium-phosphorus-zinc-magnesium slow-release fertilizer comprises an inner core and a protective shell covering at least part of the surface of the inner core; the inner core comprises a spongy framework and particles filled in and on the surface of the spongy framework; the spongy framework is of a spongy structure based on a Si-O-P bridged bond generated by reaction of a framework raw material system containing boron-containing potassium phosphate silicate and silicon phosphate, and the particles comprise boron-containing potassium phosphate silicate, biochar and an inorganic mineral material; the protective shell comprises at least one of zinc silicate or magnesium silicate; the inner core is compounded with a nutrient material through a spongy framework, so that a stable structure and a slow-release basis of nutrients are realized; the spongy framework provides a high specific surface area and a porous structure to adsorb and fix nutrients, so that the physical strength of the particles is improved, the material viscosity is remarkably reduced, the subsequent drying efficiency is improved, the hygroscopicity of the fertilizer particles is reduced, and the effects of high strength, quick drying, low hygroscopicity and capability of realizing gradient release of the nutrients are achieved.

The invention relates to the technical field of magnesium phosphate cement materials, and particularly discloses a magnesium potassium phosphate cement-based material with high compactness and high salt corrosion resistance and application of the magnesium potassium phosphate cement-based material. The magnesium potassium phosphate cement-based material is prepared from the following components in parts by weight: 30 to 40 parts of dead burned magnesium oxide, 15 to 20 parts of monopotassium phosphate, 3 to 5 parts of retarder, 0.01 to 0.03 part of crystalline phosphate, 30 to 40 parts of fine aggregate and 8 to 13 parts of mixing water. Wherein the molecular formula of the crystalline phosphate is KNaMg2 (PO4) 2.14 H2O. By introducing the crystalline phosphate in a special structural form, the hydration evolution path and the microstructure of the magnesium potassium phosphate cement-based material in a salt erosion environment are effectively improved, and the salt erosion resistance is remarkably improved.

The application discloses a kind of complex fertilizers for clumping bamboo and a preparation method thereof, and belongs to the technical field of fertilizer manufacturing.The complex fertilizers for clumping bamboo of the application are of a complex granular structure, which comprises, from inside to outside, (1) a quick-acting nutrient core; (2) a bioactive synergistic layer wrapped outside the quick-acting nutrient core; and (3) a chitosan functional coating wrapped outside the bioactive synergistic layer.By means of the innovative ternary composite structure of "core-layer-film", the application realizes the intelligent controlled release of nutrients; by introducing the core functional component "mesoporous potassium phosphate modified bamboo charcoal", the application solves the safety hazard of excessive heavy metals in bamboo shoots while ensuring nutrient supply; and by means of the scientifically proportioned "functional enhanced composite microbial agent", the application significantly promotes root growth and effectively inhibits soil-borne diseases.These technical features support and cooperate with each other, and ultimately realize the multiple beneficial effects of yield and income increase, quality and efficiency improvement, soil fertility improvement, and green safety.

The invention relates to mineralization-promoting high-strength magnesium phosphate bone cement as well as preparation and application thereof. The bone cement solid-phase powder comprises the following components in parts by weight: 25-80 parts of trimagnesium phosphate, 10-50 parts of bioactive glass and 10-45 parts of dipotassium phosphate. And blending the bone cement solid-phase powder with pure water according to a solid-to-liquid ratio of 2-5g / mL to obtain the mineralization-promoting high-strength magnesium phosphate bone cement. Self-curing magnesium phosphate is used for loading high-strength bioactive glass powder, in the curing process, magnesium potassium phosphate gel formed by hydration of magnesium phosphate bone cement is used for coating the bioactive glass powder, and the high-strength bone repair scaffold is formed after curing; meanwhile, the mineralization promoting capability brought by the bioactive glass can make up for the deficiency of the mineralization promoting capability of the existing magnesium phosphate bone cement system. The preparation method is simple, the used raw materials are simple, and the method is suitable for mass production.

The present disclosure relates to the technical field of carrier copper foil, and in particular to a solution for preparing a carrier copper foil stripping layer and a method for preparing a carrier copper foil stripping layer. The solution for preparing the carrier copper foil stripping layer includes mutually isolated potions A and B, wherein the potion A includes phosphate, and the phosphate includes at least one of zinc dihydrogen phosphate, calcium dihydrogen phosphate, manganese dihydrogen phosphate, iron dihydrogen phosphate, ammonium dihydrogen phosphate, lithium dihydrogen phosphate, sodium dihydrogen phosphate and potassium dihydrogen phosphate; the potion B includes a phosphide metal, and the phosphide metal includes at least one of molybdenum phosphide, zinc phosphide, nickel phosphide, chromium phosphide and potassium phosphide. The solution for preparing the carrier copper foil stripping layer can form a stable stripping layer on the carrier layer, which is convenient for the subsequent deposition of ultra-thin copper foil. At the same time, after the ultra-thin copper foil is prepared, the stripping layer can show good stripping performance and is easy to strip from the carrier layer.