57 results about "Urea phosphate" patented technology

The invention belongs to the technical field of fertilizers, and particularly discloses coated 5-aminolevulinic acid as well as a preparation method and application thereof. The preparation method of the coated 5-aminolevulinic acid comprises the following steps: (1) melting: melting urea phosphate to obtain a coating agent; and (2) mixing: uniformly mixing the coating agent and 5-aminolevulinic acid powder in a high-tower granulator, carrying out spray granulation, and cooling and curing to obtain the coated 5-aminolevulinic acid. The preparation method disclosed by the invention is simple in process, and the prepared coated 5-aminolevulinic acid is good in stability and can promote the growth of chilies.

The invention belongs to the technical field of sodium ion batteries, and relates to a nitrogen-phosphorus co-doped hard carbon negative electrode material and a preparation method and application thereof. Aiming at the technical problems of relatively low initial coulombic efficiency, low charge-discharge specific capacity and poor rate capability of a hard carbon negative electrode material in the prior art, the invention provides the preparation method of the nitrogen-phosphorus co-doped hard carbon negative electrode material, and the preparation method comprises the following steps: mixing sucrose and urea phosphate, and carrying out hydrothermal reaction to obtain a hard carbon precursor; performing high-temperature carbonization on the hard carbon precursor to obtain the nitrogen-phosphorus co-doped hard carbon negative electrode material, the mass of the urea phosphate accounts for 1-10% of the mass of the cane sugar. The method has the advantages of simple and efficient preparation process, no need of special equipment, low cost and wide application range, and the obtained nitrogen-phosphorus co-doped hard carbon negative electrode material has high initial coulombic efficiency, high charge-discharge specific capacity and high rate performance. The invention also provides application of the nitrogen-phosphorus co-doped hard carbon negative electrode material in preparation of a negative electrode plate and preparation of a sodium ion battery.

The invention discloses a method for rapidly improving saline alkali soil by using urea phosphate. The method comprises the following steps: S1, preparation of a modifier: S1-1, preparation of a liquid modifier; s1-2, preparing a solid modifier; s2, excavating a salt elimination ditch; s3, drip irrigation salt elimination; and S4, deepening salt elimination. According to the method for rapidly improving the saline-alkali soil by using the urea phosphate, the liquid modifier and the solid modifier which are different in form act in the saline-alkali soil in a front-and-back matching manner, so that the physical and chemical properties of the soil can be improved, the organic matter content of the soil can be increased, the obstacle soil is suitable for plant growth, and the soil quality is improved. And the method is harmless to the environment and has wide economic and ecological benefits.

This invention discloses a method for improving the yield of urea phosphate in the preparation of wet-process phosphoric acid. The method involves mixing a crystallizer with wet-process phosphoric acid and urea, reacting the mixture, and then cooling, crystallizing, filtering, and drying to obtain urea phosphate. Alternatively, wet-process phosphoric acid is mixed with urea and reacted. After the reaction, a crystallizer or a urea phosphate mother liquor containing the crystallizer is added, followed by cooling, crystallizing, filtering, and drying to obtain urea phosphate. The crystallizer is one or a mixture of two or more of ethylene glycol methyl ether, ethylenediaminetetraacetic acid, and citric acid in any proportion. The urea phosphate produced by this method is in crystalline form, meeting the industrial urea phosphate standard (GB / T27805-2011), satisfying market demand, and featuring a low-cost crystallizer with flexible addition methods, making it very convenient for practical production.

The invention relates to a preparation method and application of a single-crystal or single-crystal-like ultrahigh-nickel lithium ion battery ternary positive electrode material, and the preparation method comprises the following steps: step 1, dispersing and uniformly mixing a cobalt-nickel-manganese hydroxide ternary precursor, a lithium source and a metal oxide serving as columnar metal ions to obtain a premixed material; carrying out primary sintering on the premixed material, sieving, dispersing and washing to obtain a primary sintering product; 2, urea phosphate and N-methyl pyrrolidone NMP are fully mixed to prepare an in-situ wet coating agent, the primary sintering product and the in-situ wet coating agent are evenly mixed, and then suction filtration, presintering drying and sieving are conducted to obtain a presintering product; and carrying out secondary sintering and secondary sieving dispersion on the pre-sintered product to obtain the single-crystal or single-crystal-like ultrahigh-nickel ternary positive electrode material for the lithium ion battery. The problems of poor structural stability and poor electrochemical performance of a single-crystal or single-crystal-like ultrahigh-nickel lithium ion battery ternary positive electrode material under high voltage in the existing scheme are solved.

The invention relates to a flexible pressure sensor based on a cellulose solid electrolyte membrane, and belongs to the field of medical health. A cellulose solid electrolyte membrane of a phosphoric acid and urea phosphate dissolution system and a PI gold immersion electrode are adopted; the phosphoric acid and the urea phosphate can be used as a dissolving system of the cellulose and an electrolyte system of the electrolyte membrane, so that the preparation steps of the electrolyte membrane are simplified, and meanwhile, the electrolyte membrane has good chemical stability and oxygen resistance. Phosphoric acid and urea phosphate are completely degradable components and are more environment-friendly than a conventional electrolyte system. The gold layer, the nickel layer and the PI film of the PI gold immersion electrode can form an embedded interlocking structure, so that the combination is tighter, the stability and the mechanical property are enhanced, and meanwhile, the excellent conductive performance can be realized.

The invention discloses a water-soluble fertilizer suitable for Xinjiang'dry sowing and wet emergence 'cotton fields as well as a preparation method and application of the water-soluble fertilizer. Belongs to the technical field of water-soluble fertilizers. The water-soluble fertilizer comprises the following components in parts by mass: 5-41 parts of urea, 21-60 parts of urea phosphate and 13-48 parts of potassium sulfate. Potassium sulfate is mixed with other raw materials in batches by using a three-dimensional mixer, and then mixed granulation is performed. Compared with the prior art, the method has the beneficial effects that the water-soluble fertilizer is dripped along with water by utilizing a drip irrigation facility of a'dry sowing and wet discharging 'cotton field; according to the water-soluble fertilizer formula and the dripping method, the emergence rate of the cotton can be increased, and the problems that the emergence rate is difficult, weak and stiff due to nutrient requirements of growth and development of the cotton in the seedling stage, adverse factors such as an external saline-alkali environment in the seedling stage, tender roots and insufficient photosynthetic ability, and the like, and the problems of seedling deficiency and insufficient group construction caused by the phenomena are solved.

The invention discloses a preparation method and fertilizer of a liquid fertilizer containing polyphosphate stability and synergistic effect, wherein liquid phosphoric acid and urea are subjected to polymerization reaction to generate polyphosphate urea liquid, the polyphosphate urea liquid is then subjected to secondary polymerization with ammonia water to prepare a first mixed solution of ammonium polyphosphate, ammonium phosphate and polyphosphate urea, the pH value is adjusted to 6.5-7.5, and the mixture is fully stirred, mixed and packaged to obtain a finished product. After the first mixed solution is generated and before the pH value is adjusted, sulfonated straw powder after fermentation is added to the first mixed solution, SO3 is introduced and formaldehyde solution is added dropwise to generate phosphorylated lignin, a chelate reaction is carried out at room temperature to form a second mixed solution containing chelated lignin and amino acids, and a suspending agent is added. The purpose of the invention is to reduce production costs, improve the water solubility of phosphorus, enrich the nutrient content of liquid fertilizer, make it unnecessary to add other fertilizers during the application process of liquid fertilizer, and further achieve weight loss and synergistic effect.

The application discloses a compound fertilizer for promoting cotton high yield and a preparation method thereof, relates to the technical field of cotton fertilizer, and comprises first mother liquor A, second mother liquor B and third mother liquor C which are prepared, stored and packaged separately; the first mother liquor A contains urea phosphate, monoammonium phosphate, anhydrous citric acid, malic acid and manganese sulfate monohydrate; the second mother liquor B contains commercial 11-37-0 liquid ammonium polyphosphate, ammonium salt type polyaspartic acid solution, purified fulvic acid clear liquid and tri-potassium citrate; and the third mother liquor C is a mixed system of polyol complex state boron clear pre-liquid and medium complex state zinc pre-liquid. The application can improve the effective state stability of phosphorus, zinc and boron, reduce the risks of precipitation fouling and dripping head blockage, alleviate the risks of local salt peak and root injury in the seedling stage, promote the uniform emergence and young root growth of cotton, and improve the yield.

The invention relates to the technical field of urea phosphate production, and particularly provides an anti-foaming digital twinning optimization method for urea phosphate production. Multi-modal monitoring data such as reaction parameters, equipment states and environmental conditions are collected by deploying distributed edge computing nodes; performing feature extraction on the data to generate an initial anti-bubbling feature vector; a dynamic interaction topological structure is constructed in combination with material flowing and equipment operation states, and a comprehensive anti-foaming feature matrix is generated through graph neural network modeling; carrying out attention mechanism fusion on the matrix and the environment state feature vector to obtain an anti-foaming association intensity index; when the index exceeds a threshold value, generating an early warning signal through machine learning classification; and encrypting the data log by using the block chain to generate an audit record, verifying the path integrity, and outputting a final evaluation result. According to the invention, full-process intelligent anti-foaming management and control are realized, and the early warning accuracy, the real-time performance and the system adaptability are effectively improved.

Disclosed is a fertilizer containing a mixture containing calcium nitrate (Ca(NO3)2) and one or more of urea phosphate (H3PO4·CO(NH2)2) and urea diphosphate ((H3PO4)2·CO(NH2)2). Methods of making and using the fertilizer are also disclosed.

This invention relates to the field of agricultural fertilizer technology and discloses a urea phosphate fertilizer specifically for improving saline-alkali soil. The raw materials, by weight, include: 81.0-84.0 parts urea phosphate, 1.5-2.0 parts polyepoxysuccinic acid, 4.0-6.0 parts magnesium sulfate heptahydrate, 8.0-12.0 parts water-soluble short-chain ammonium polyphosphate, and 0.5-1.0 parts hydrophobic fumed silica. Specifically, the polyepoxysuccinic acid coordinates with the magnesium ions dissociated from magnesium sulfate heptahydrate, and the hydrophobic fumed silica coats and embeds itself on the fertilizer surface. Through this fertilizer system, the magnesium polyepoxysuccinate complex preferentially undergoes cation exchange with free calcium in the soil, interrupting the formation pathway of insoluble phosphate precipitation, preventing phosphorus from solidifying and passivating in saline-alkali soil, and releasing magnesium ions to supplement crop nutrition. Simultaneously, the hydrophobic fumed silica on the surface blocks environmental moisture penetration, solving the problem of urea phosphate hygroscopic clumping, and hydrolyzes and desorbs after application to slightly alkaline soil.

The invention belongs to the technical field of preparation of organic and inorganic composite materials, and particularly relates to an organic silicon modified heat-resistant flame retardant, a preparation method thereof and application of the organic silicon modified heat-resistant flame retardant in silicone rubber, and the preparation method comprises the following steps: adding amidinourea phosphate, 3-sulfur-isothiourea propyl sulfonic acid, an isocyanate silane coupling agent and water into a ball mill for ball milling, and performing vacuum drying to obtain the organic silicon modified heat-resistant flame retardant. Through a ball milling process, amidinourea phosphate and 3-sulfur-isothiourea propyl sulfonic acid are subjected to surface silanization treatment in one step, the heat-resistant flame retardant is uniformly dispersed, the compatibility with room-temperature vulcanized silicone rubber is enhanced, and the heat resistance of the silicone rubber is improved. The invention also provides a preparation method of the flame retardant and application of the flame retardant as a heat-resistant flame retardant of room-temperature vulcanized silicone rubber.

The invention discloses a high-purity fully-water-soluble potassium sulfate fertilizer and a preparation method thereof, and belongs to the technical field of potassium sulfate fertilizers. The high-purity fully water-soluble potassium sulfate fertilizer is prepared from the following components in parts by weight: 960 to 980 parts of industrial grade potassium sulfate, 10 to 20 parts of urea phosphate, 5 to 15 parts of potassium nitrate, 1 to 3 parts of sodium hexametaphosphate, 0.5 to 1.5 parts of sodium cocoyl glutamate and 1 to 5 parts of citric acid-polyethylene glycol modified polyaspartic acid. The common problems of dissolution retardation and pseudo saturation of the traditional potassium sulfate fertilizer in low-temperature cold water are effectively eliminated.

The invention provides a diaphragm, a preparation method thereof, a secondary battery and a device. The separator comprises: a base film; the flame-retardant film comprises a base film and a flame-retardant layer, the flame-retardant layer is arranged on the base film, the flame-retardant layer comprises a flame-retardant composition, the flame-retardant composition comprises a first component, and the first component comprises at least one of (i) urea phosphate, (ii) a mixture of phosphoric acid and urea, (iii) ammonium dihydrogen phosphate and (iv) diammonium hydrogen phosphate. Therefore, the first component used in the diaphragm can be thermally expanded at a lower temperature (such as 150-200 DEG C) in the needling process to generate an expanded carbon layer, so that the contact between burrs of a positive pole piece near a steel needle and a negative pole piece is avoided, the short-circuit resistance is favorably increased, the short-circuit current is favorably reduced, and the generation of ohmic heat is reduced; and finally, the needling safety of the battery cell using the diaphragm is effectively improved.

The lubricant composition provided by the invention is characterized in that the lubricant composition is composed of isohexadecanol, lactic acid, isopropanolamine, sulfamic acid and water, and the molar ratio of isohexadecanol to lactic acid is 1: (1-1.2); the weight ratio of the isopropanolamine is 10-20% of the sum of the isohexadecanol and the lactic acid, the weight ratio of the sulfamic acid is 1-2% of the sum of the isohexadecanol and the lactic acid, and the weight of the water is 7-10 times that of the sulfamic acid. The lubricant composition prepared by the invention has better lubricity, good water solubility, good rust resistance and hard water resistance, and can perfectly solve the cooling and lubricating effects when being used for minimal quantity lubrication. The invention also provides a trace lubricant containing the lubricant composition. The trace lubricant is prepared from the following components: the lubricant composition, oleic diethanolamide, urea phosphate, polyvinyl alcohol and water.

The invention discloses an acrylic bathtub material, a preparation method thereof and a bathtub, the acrylic bathtub material comprises an acrylic base material and a fiber reinforced resin layer, the acrylic base material comprises methyl methacrylate, hydroxyl-containing (methyl) acrylate, phosphate-containing (methyl) acrylate and an initiator; the fiber reinforced resin layer comprises fiber reinforced resin, a filler, glass fibers, a curing agent and an accelerant; the fiber reinforced resin comprises an NCO-terminated urethane methacrylate monomer, unsaturated polyester and a diluting monomer. According to the invention, an acrylate monomer with phosphate groups and hydroxyl groups is copolymerized with methyl methacrylate to obtain an acrylic base material with a large number of phosphate groups and hydroxyl groups on the surface, and the acrylic base material and NCO groups of fiber reinforced resin can form chemical bond structures such as urea phosphate and amino methyl ester groups; the fiber reinforced resin layer and the acrylic base material are tightly anchored together, so that the hydrolysis resistance is better, and the flame retardance of the material is improved.

The invention belongs to the technical field of high-temperature well fracturing materials, and relates to a slow-release acid for fracturing by utilizing phase state slow release and a preparation method thereof. The preparation method comprises the following steps: preparing urea phosphate crystals; in the preparation process of the water-based gel, urea is added and uniformly stirred, and the urea water-based fracturing fluid is prepared; and mixing the urea phosphate crystal and the urea water-based fracturing fluid to obtain the slow-release acid for fracturing. In the dissolving process, dissociation balance of urea phosphate crystals moves reversely due to the existence of excessive urea, the solubility of urea phosphate is reduced, the concentration of phosphoric acid dissociated from the solution is reduced, and the corrosion inhibition effect is achieved. In a high-temperature stratum, urea is subjected to a polymerization reaction, the concentration of urea in a solution is reduced, dissociation balance moves forwards, the solubility of a urea phosphate solid is increased, and the concentration of phosphoric acid dissociated from the solution is increased; and the ionization balance of phosphoric acid is promoted to proceed forward by the temperature rise, and the hydrogen ion concentration in the solution is increased, so that the acidity of the fracturing fluid is accurately controlled.

The invention belongs to the technical field of slow-release fertilizer preparation, in particular to a bio-energy-accumulating and synergistic slow-release fertilizer and a preparation process thereof. Aiming at the problem that it is difficult for the existing slow-release fertilizer to completely match the fertilizer absorption law of crops in different growth and development periods in nutrient release, resulting in insufficient nutrient supply of crops in certain periods and inability to effectively improve soil structure and environment, the following scheme is proposed, which includes raw materials, and the raw materials include the following components in parts by weight: 20-80 parts of polyvinyl alcohol. The invention can effectively improve soil structure and environment and significantly improve fertilizer utilization rate by using polyvinyl alcohol, polyethylene, polyamide, polyurea, paraffin, polyglutamic acid, zinc polyaspartate, nitrification inhibitor, urease, fulvic acid, humus, amino acid, actinomycetes, spirochetes, ammonium magnesium phosphate, polypropylene, polyvinyl chloride, urea phosphate, talcum powder, sulfur, biochar, zeolite and diatomaceous earth.

The present application relates to a kind of compound preparation for improving the function of cattle and sheep rumen, and 100ml compound preparation is mainly made of the following weight ratio of raw materials: gentian 3-5g, giant knotweed 3-5g, cardamom 3-5g, peilan 3-5g, log 1-2g, cypress seed 3-5g, orange peel 3-5g, sea buckthorn 3-5g, carvacol 5-7g, urea phosphate 10-15g, sodium chloride 3-5g.The present application compound preparation is aimed at the characteristics of ruminant, adjusts rumen function, promotes nutrient absorption, and improves production performance;The present application compound preparation is easily absorbed after entering the body, and clinical administration is convenient, suitable for group administration, saves manpower and material resources.

The invention provides water-soluble ammonium polyphosphate synthesized by using urea phosphate mother liquor through microwave polymerization and a synthesis method and application thereof, and the synthesis method comprises the following steps: sequentially carrying out vacuum concentration dehydration, drying and crushing treatment on the urea phosphate mother liquor without an insoluble phosphate precipitation phenomenon to obtain urea phosphate concentrated powder; mixing the urea phosphate concentrated powder with urea, then putting the mixture into a microwave reactor, and reacting for 3-9 minutes in an open environment under the condition that the microwave power is 140-980W, so as to obtain the water-soluble ammonium polyphosphate. The water-soluble ammonium polyphosphate contains 3%-5% by mass of chelated medium trace elements, the content of water insoluble substances is less than 0.21%, the polymerization rate is 91%-96%, the average polymerization degree is 3.83-3.88, and the water-soluble ammonium polyphosphate can be used as a water-soluble slow-release fertilizer. According to the method, the newly produced urea phosphate mother liquor can be directly used as a raw material, and high-value utilization of low-grade resources is realized.

The application discloses a preparation method of compound fertilizer by sulfur phosphorus urea process, and belongs to the technical field of compound fertilizer.The preparation method of the compound fertilizer by the sulfur phosphorus urea process comprises the following steps: first, mixing and reacting equal-molar-ratio phosphoric acid and urea, inputting the mixture into a buffer tank and then into a tubular reactor, and inputting concentrated sulfuric acid into the tubular reactor; then, spraying the mixed slurry on a granulator bed while inputting ammonia gas, and sequentially performing processes such as drying, screening, cooling, film coating and packaging to obtain urea phosphate compound fertilizer.The process integrates the synthesis of urea phosphate, acidification reaction and neutralization granulation in a continuous flow, shortens the process flow, improves the production efficiency, increases the compound fertilizer yield by more than 10%, and stably supplies nutrients for a long time.Through the preparation method, the granulation effect is more stable, the product has a compressive strength of more than 30N, is not easy to cake, and the chemical reaction heat is used to drive the process, so that energy consumption is significantly reduced.

The invention relates to the technical field of soil improvement, in particular to a composite modifier suitable for sticky saline-alkali soil in coastal areas in South China and a three-dimensional quick-effect improvement method.The composite modifier is prepared from, by weight, 30-50 parts of sugar refinery filter mud, 20-40 parts of decomposed cassava residues, 10-20 parts of vinegar residues, 3-5 parts of urea phosphate and 0.1-0.5 part of fungicide. Compared with the prior art, the invention provides a new scheme for improving the sticky saline-alkali soil in the coastal area of south China by preferably selecting the components of the composite modifier and the components of the microbial agent with the best phosphorus and potassium dissolving capacity and combining a three-dimensional quick-effect improvement method, the pH value of the improved sticky saline-alkali soil is about 7.5, the total salt content is reduced to about 0.25%, and the soil quality is improved. The total porosity of the soil is remarkably improved by 60% or above, the content of rapidly available potassium and rapidly available phosphorus is improved, the emergence rate of sea rice planted on the land is 85% or above, and the growth condition is good.

The application provides a sunflower planting method in moderate and severe soda saline-alkali land, and belongs to the technical field of saline-alkali land improvement and crop planting. The sunflower planting method in moderate and severe soda saline-alkali land provided by the application comprises the following steps: uniformly mixing desulfurized gypsum, biochar and lignite, and throwing and spreading the mixture to the ground surface to uniformly mix the mixture with soil; ditching and ridging, laying drip irrigation belts and black degradable mulching films in the ditch and the ridge; after mulching, washing salt through drip irrigation, and applying urea phosphate through drip irrigation; and after washing salt, planting sunflowers through holes in the mulching film. The planting method reduces salt ion toxicity in the root zone of sunflowers, increases the content of soil organic matter, improves the emergence rate of sunflowers, speeds up the growth speed, and achieves the purpose of increasing yield and economic benefits.

The invention relates to the technical field of fertilizer manufacturing, and discloses an alginic acid-containing organic water-soluble fertilizer and a preparation method thereof.The alginic acid-containing organic water-soluble fertilizer is prepared from humic acid, potassium nitrate, urea phosphate, monopotassium phosphate, urea, micronutrient element-loaded phytic acid and alginic acid components and tap water; phytic acid and alginic acid are prepared by loading negatively charged phytic acid onto a negatively charged alginic acid matrix by a quaternary ammonium salt type connecting agent through electrostatic acting force; the micronutrient element loaded phytic acid and alginic acid component is obtained by loading micronutrient elements by phytic acid and alginic acid through an ion coordination effect; the use amount of the water is that 0.5-0.6 L of water is added into each kilogram of solid components. The alginic acid-containing organic water-soluble fertilizer prepared by the invention has the beneficial technical effects of slowly releasing micronutrient elements and improving the utilization rate of micronutrient in the fertilizer.

The invention discloses a slow-release oxygen fertilizer as well as a preparation method and application thereof, and belongs to the technical field of slow-release fertilizers. The slow-release oxygen fertilizer comprises a buffer layer, an oxygen source layer and a coating layer from inside to outside, and all the layers are isolated by filling layers. Wherein the buffer layer comprises a compound fertilizer composed of urea phosphate and a potash fertilizer; the oxygen source layer comprises a chemical oxygen producer calcium peroxide; the coating layer comprises polymer resin polyacrylate; the filling layer comprises a filling agent. The slow-release oxygen fertilizer developed by the invention has multiple functions of slow-release oxygen, acid-base buffering, nutrient supply and the like. The fertilizer is also suitable for being applied to acid-base sensitive crops, can promote the growth of various crops, and is not easy to cause soil hardening and salinization after being applied for a long time. In addition, when the slow-release oxygen fertilizer is applied to the mercury-polluted soil, the slow-release oxygen fertilizer has a remarkable inhibition effect on dissolution of mercury and formation of methyl mercury in the soil, and has important significance in promoting safe production of food crops.

The invention relates to the technical field of chemical production, and aims to provide a method for producing 64% powdery monoammonium phosphate by using urea phosphate mother liquor and strong phosphoric acid, which comprises the following steps: directly reacting gas ammonia and mixed acid in a reaction chamber, atomizing and spraying reaction slurry through a special spraying pipe, and drying and dehydrating in a drying tower to finally produce 64% powdery monoammonium phosphate. The production advantage of the tubular reactor is fully utilized, the limitation that dilute phosphoric acid is adopted for traditional production of 64% powdery monoammonium phosphate is changed, and the defects that the dilute phosphoric acid needs to be pretreated and purified in traditional production of 64% powdery monoammonium phosphate, the technological process is complex, energy consumption is high, and more equipment is used are overcome; meanwhile, waste urea phosphate mother liquor which is generated in urea phosphate production and is difficult to treat can be treated, the technological process is shortened, the number of production equipment is reduced, energy consumption is reduced, and the purposes of saving energy and reducing consumption are achieved.

The invention provides an environment-friendly lubricant composition which is characterized by comprising high fructose corn syrup, palmitic acid, monoethanolamine, sulfamic acid and water, and the molar ratio of the high fructose corn syrup to the palmitic acid is 1: (1-2). The weight ratio of the monoethanolamine is 10-15% of the sum of the high fructose corn syrup and the palmitic acid, the weight ratio of the sulfamic acid is 0.5-1% of the sum of the high fructose corn syrup and the palmitic acid, and the weight of the water is 7-10 times that of the sulfamic acid. The environment-friendly lubricant composition prepared by adopting the preparation method disclosed by the invention has better lubricity, good water solubility, good anti-rust performance and good hard water resistance, and can perfectly solve the cooling and lubricating effects when being used for minimum quantity lubrication. The invention also provides an environment-friendly trace lubricant containing the environment-friendly lubricant composition. The environment-friendly trace lubricant is prepared from the following components: the environment-friendly lubricant composition, oleoyl sarcosine, urea phosphate, polyvinyl alcohol and water.

The invention relates to the technical field of chemical fertilizers, in particular to a special liquid fertilizer for potatoes and a preparation method thereof, and the special liquid fertilizer comprises the following components: 100-150 parts of a fulvic acid concentrated solution, 60-100 parts of an amino acid concentrated solution, 200-410 parts of monoammonium phosphate, 90-190 parts of potassium hydroxide, 60-100 parts of a liquid nitrogen fertilizer, 30-50 parts of urea phosphate, 90-120 parts of potassium formate, 30-50 parts of boric acid and 100-150 parts of a functional aid. The effect of the special fertilizer for the potatoes is better than that of conventional fertilization, the yield of the potatoes is remarkably increased, the potential of the special fertilizer for the potatoes in promoting plant growth and increasing crop yield is further proved, and compared with the prior art, the special fertilizer product and the using method are easy and convenient to operate, high in applicability and suitable for popularization and application. The method is especially suitable for popularization and application in saline-alkali and arid areas in Xinjiang, provides a feasible way for efficient planting of potatoes, and has important practical significance for promoting crop growth and increasing crop yield.

The invention relates to the field of fertilizers, in particular to a preparation method of an alkali-reducing salt-inhibiting cotton liquid fertilizer. The fertilizer comprises the following components: 70-100 g / L of potassium nitrate, 10-25 g / L of potassium dihydrogen phosphate, 15-55 g / L of potassium acetate, 10-50 g / L of alginic acid, 30-55 g / L of urea phosphate, 12-36 g / L of medium element substances, 10-30 g / L of trace element substances, 12-46 g / L of fulvic acid, 5-15 g / L of a stabilizer and 6-20 g / L of calcium alginate microspheres loaded with a composite salt inhibitor. According to the special alkali-reducing and salt-inhibiting liquid fertilizer for cotton, provided by the invention, the salt-inhibiting component is loaded by using the calcium alginate gel microspheres which are prepared by a double-emulsion method and are simple in preparation process and controllable in microsphere particle size, and the calcium alginate gel microspheres shrink in an acid environment and swell in an alkaline environment, so that the salt-inhibiting component can be slowly and accurately released around crop rhizosphere.