76results about How to "Improve pH" patented technology

A method for preparing straw charcoal and straw vinegar liquid includes placing agricultural straw into retort for pyrolytic reaction of 4-12 h. at 300-600 deg.C under condition of oxygen being isolated or being provided with limitation; obtaining straw charcoal from solids through drying, precharring, charring and calcining; obtaining straw vinegar liquid and combustible gas by arrying out gas-liquid separation of pyrolysis gas and sending combustible gas back to combustion chamber as heating source.

The invention discloses a high nickel ternary lithium ion battery anode slurry and a preparation method thereof. The anode slurry comprises the following raw materials in parts by weight: 89.5 to 97.9 parts of high nickel ternary anode powder, 1 to 5 parts of conductive agent, and 1 to 5 parts of adhesive, and also comprises mixed additives accounting for 0.1 to 0.5% of the weight of all solid powder and a proper amount of solvent, wherein the mixed additives comprise dispersed additives and acidic buffering type additives, and due to the solvent, the solid content of the anode slurry is in a range of 60 to 85%. Through the mixed additive, the acid/alkali property of the surface of the high nickel ternary anode powder is improved, the dispersing force of the anode powder is enhanced, the using amount of the solvent is reduced, and the slurry production time is reduced. At the same time, the problem that the slurry becomes thick due to the change of pH value of the slurry surface after being contacted with the environment during the preparation process is solved, and the obtained anode slurry is uniform and is good in flowing property.

The invention belongs to the field of soil heavy metal restoration, and concretely discloses a soil restoring agent for cadmium pollution paddy field and application. The soil restoring agent provided by the invention is prepared from the following ingredients in parts by weight: 40 to 70 parts of tobacco stem charcoal, 10 to 20 parts of sepiolite, 10 to 20 parts of kieselguhr, 5 to 10 parts of light burning powder, 5 to 10 parts of lime, 5 to 20 parts of calcium magnesium phosphate fertilizers, 0.5 to 2 parts of zinc fertilizers and 1 to 5 parts of microbial agents. The soil restoring agent is uniformly spread on the soil surface; then, turning is performed so that the soil restoring agent and the polluted soil are sufficiently mixed; the application quantity is 100 to 300kg/mu. The soil restoring agent belongs to the composite restoration; the application is simple; the cost is low; the efficiency is high; the environment is protected.

The present invention discloses a fertilizer additive for improving acidified soil. The fertilizer additive is prepared from the following raw materials by weight: 3-5 parts of smectite powder, 1-2 parts of peat soil, 1-3 parts of peat soil, 3-6 parts of silt, 5-10 parts of smashed deciduous leaf, 6-15 parts of pomegranate rind, 0.3-0.5 part of dicyandiamide, 0.1-0.2 part of thiourea, 10-12 parts of activated carbon, 40-45 parts of pomace, 3-5 parts of shell powder, 3-5 parts of calcium silicon powder, 1-2 parts of lignin, 0.1-0.2 part of an EM microbial agent, 0.1-0.2 part of Bacillus subtilis microbial agent, and 2-4 parts of a complex deodorant.

The invention relates to seafood preservative and preparation and application thereof and belongs to the field of food preservation and fresh-keeping. The seafood preservative is prepared from carrageenan oligosaccharides and water, and the concentration of carrageenan oligosaccharides is 10-25 g/L. A preparation method includes the steps that firstly, the carrageenan oligosaccharides are prepared from carrageenan through an enzyme hydrolysis method, then the carrageenan oligosaccharides are used for preparing the preservation, specifically, the carrageenan oligosaccharides are dissolved in water, and the concentration of the carrageenan oligosaccharides in a solution is 10-25 g/L. The seafood preservative has the advantages that seafood can be effectively prevented from decaying, the total number of bacterial colonies of shrimps, the total volatile basic nitrogen (TVB-N), the Ph value, the activity of polyphenol oxidase, sensory indexes and other physiological and biochemical indexes are effectively improved, the shelf life of seafood is prolonged, and the preservative is in the food level and is safe and free of toxin.

The invention discloses a compound ionic liquid desulfurizer and a preparation method thereof. The desulfurizer is prepared from the following ingredients in percentage by mass: 4-25% of physical solvents and the balance of Fe-IL liquid. The compound ionic liquid desulfurizer and the preparation method thereof have the beneficial effects that by compounding the organic solvents and the Fe-IL liquid, the pH value and the viscosity of the compound desulfurizer can be effectively improved, and the hydrogen sulfide absorptivity of Fe-IL in the desulfurizer is increased; and by adding a corrosion inhibitor, corrosivity of a compounded system to a container can be greatly reduced, and industrial application is better facilitated.

The invention relates to an oxidized polyethylene wax emulsion water-repellent agent which is prepared from the following raw materials by weight: 35-40% of oxidized polyethylene wax, 3-5% of compound mixed emulsifying agent of Tween-60, Span-80 and disproportionated rosin, 0.2-0.4% of silicon dioxide nano powder and the balance of water. The water-repellent agent has pH of 7-8 and viscosity of 150-450 mP*s. The emulsion is modified by nano silicon dioxide, so that the blend-modified emulsion stably exists in the form of adsorbing gas atom on nano-sized concave surface, and is equivalent to a layer of stable gas film on macroscopic surface, and oil or water cannot directly contact the surface of the material, therefore, the material surface presents hydrophobicity and oleophobicity, and obtains super-hydrophobic super-oleophobic effects. The product also has certain fire retardancy, and can meet waterproof and moistureproof functions as well as combustion-supporting performance of carton and pasteboard high-grade paper products.

Belonging to the technical field of small batch industrial wastewater treatment, the invention relates to a method for purification of alkaline heavy metal wastewater by chlorella. The method includes: collecting wastewater with an Fe<2+> content of 10-80mg/L and pH of 10-13, conducting mixing, then adding a seed solution chlorella into the mixture, controlling the culture temperature and lighting conditions, performing culture through alternation of continuous lighting and continuous darkness till the logarithmic phase of chlorella growth, recycling the chlorella, and discharging the wastewater directly. The purification method provided by the invention can be applied to treatment of alkaline heavy metal wastewater with small single emission, high emission frequency and collection difficulty, and has the advantages of flexible treatment mode and convenient operation, etc.

The invention relates to a human peripheral blood lymphocytes culture medium and the application thereof. The human peripheral blood lymphocytes culture medium of the invention comprises: RPMI1640 liquid culture medium 77-81.9%, bovine blood 10-14.9%, PHA 4-9%, non-sulfated glycosaminoglycan 2-5%, CPPs 2-5% and Double-resist 0.05-0.1%. The culture medium provided in the invention achieves a high lymphocyte conversion rate, a high lymphocyte split index and a good reagent stability; can obtain a human chromosome figure which can provide a firm basis to chromosome core type analysis and clinic diagnosis.

The invention discloses a method for improving excessive circuit etching of a circuit board, belonging to the field of outer circuit etching of printed circuit boards. The method for improving excessive circuit etching of the circuit board disclosed by the invention comprises the following steps of: micro-electroplating a copper layer with the thickness of 5-6 mu m on a complete board; transferring an outer pattern onto the outer layer of the circuit board to form a circuit pattern, wherein the width of a copper circuit is 0.03-0.04 mm more than that of a copper circuit required practically; thickening a pattern electroplated copper layer till the thickness is 11-13 mu m, and then, electrotinning with the thickness of 5-6 mu m; and vacuumizing and etching after demoulding. According to the invention, the processes before and after etching are improved in an unified manner; therefore, the improvement range of outer circuit etching is enlarged; the effect of preventing excessive circuit etching can be achieved better; the production efficiency of outer circuit etching is effectively increased; scraps due to the fact that circuits are too thin are reduced; and the electroplating quality is increased.

The invention discloses a pig feed capable of improving food consumption. The pig feed comprises the following raw materials of corn, brown rice, middling, wheat, soybean meal, rapeseed meal, peanut meal, earthworm powder, fish meal, calcium carbonate, dicalcium phosphate, table salt, zeolite powder, an additive, lysine, methionine, threonine, glutamic acid, choline chloride, phytase, betaine, malic acid, citric acid, composite trace elements and composite vitamins, wherein the additive comprises the following raw materials of common cnidium fruits, glossy privet fruits, ligusticum wallichii, red jujubes, pine pollen, lophatherum herbs and siraitia grosvenorii. The pig feed capable of improving food consumption, disclosed by the invention, is reasonable in collocation and balanced in nutrition, can promote the growth of pigs, can improve the immunity of the pigs and can improve the quality of pork.

The invention relates to a method for preparing an emulsion explosive by high-temperature sensitization. The method comprises the following steps: preparing a water phase, preparing an oil phase, emulsifying, sensitizing, charging and cooling. The emulsion explosive comprises the following raw materials: ammonium nitrate, sodium nitrate, urea, water, a composite oil phase, an emulsifier, a foamer and an accelerant, wherein the accelerant is a potassium biphthalate buffer solution with the pH value of 5.5, a potassium dihydrogen phosphate buffer solution with the pH value of 4.5, a potassium tartrate buffer solution with the pH value of 3.5 or a potassium tetroxalate buffer solution with the pH value of 1.0; the sensitizing process comprises the following sub-steps: uniformly mixing the accelerant with the foamer to obtain a mixture, adding the mixture into a latex matrix with the temperature of 85-110 DEG C, uniformly mixing, and sensitizing for 0.5-10 minutes. According to the method, the raw material-accelerant is wide in source, low in cost and nontoxic, and the pH value of the explosive is increased, and the explosive performance can be improved; the sensitizing process is simple, quick and free of aftereffect, the production process is simplified, the cost is reduced, and the energy consumption is reduced.

The invention relates to a salt and alkali decomposing biological bacterial fertilizer. The salt and alkali decomposing biological bacterial fertilizer is prepared through the following components by mass percentage: 65 to 80% of humic acid, 1 to 4% of EM bacteria, 5 to 15% of nitrogenous fertilizer, 5 to 11% of phosphatic fertilizer, and 5 to 11% of potash fertilizer. The salt and alkali decomposing biological bacterial fertilizer is prepared by the following steps: (1) mixing and uniformly agitating humic acid and EM bacteria, and fermenting for 72 to 96 hours at a temperature of 20 to 30 DEG C until the number of beneficial bactera in the mixture per kg is less than 20 million, thus obtaining a fermented material; and (2) adding nitrogenous fertilizer, phosphatic fertilizer and potash fertilizer to the fermented material obtained in the step (1); and uniformly mixing to obtain the salt and alkali decomposing biological bacterial fertilizer. The salt and alkali decomposing biological bacterial fertilizer is subjected to site-directed experience of three years in Ninghe County, Tianjin; the salt and alkali decomposing biological bacterial fertilizer added to the soil of which the pH (Power Of Hydrogen) is below 10 can decrease the pH of the soil by about 0.8 averagely each year; and after the salt and alkali decomposing biological bacterial fertilizer is used in three consecutive years, the pH of soil can reach a normal level, and as a result, the rate of survival of crops is greatly increased.

This invention relates to a method for synthesizing amphiphilic chitosan. The method comprises: dissolving chitosan, reacting, precipitating, cooling, washing, vacuum-filtering, vacuum-drying, alkalizing, carboxymethylating, desalting, dehydrating and drying to obtain amphiphilic chitosan. The method introduces electrically negative carboxymethyl group and electrically positive quaternary ammonium group onto the molecular chain of chitosan, thus the molecular chain of chitosan contains substituents with two different charge types. After modification, the quaternization degree and the carboxymethylation degree of chitosan are 80% and 70%, respectively. Amphiphilic chitosan has higher apparent viscosity, higher solubility, lower pH value, better pH stability, and wider applications than chitosan.

The invention discloses an organosilicon-rich microbial organic compound fertilizer and a preparation method thereof. The organosilicon-rich microbial organic compound fertilizer is prepared from 40-60 parts by weight of feces of livestock and poultry, 40-60 parts by weight of a silicon-rich plant, 40-60 parts by weight of domestic fungus waste, 40-60 parts by weight of minerals, 20-30 parts by weight of vitamins and 1-10 parts by weight of a complex microbial inoculum. The organosilicon-rich microbial organic compound fertilizer can provide enough minerals such as organosilicon and beneficial substances such as vitamins and probiotics for crops, improve soil, prevent diseases, kill bacteria, utilize a lot of wastes, change waste into valuables, save social and natural resources, protect the environment and realize circular economy. The organosilicon-rich microbial organic compound fertilizer is one of the optimal organic fertilizers for production of pollution-free foods, green foods and organic foods.

The invention provides a method for feeding organic rice-ducks on a low-humidity saline-alkaline land. A pH value of soil is improved by cooperation of microbial fertilizer and calcium superphosphate, the fertilizer is provided for the growth of rice, and meanwhile, newly-hatched ducklings and earthworms are put in, so that the improvement speed of the saline-alkaline land can be increased, the rice yield is increased year by year, and the improvement of the saline-alkaline land can be basically completed after 2-3 years.

The invention discloses a serum sample treating preparation used in a method for detecting a liquid phase protein by a suspension chip. The preparation comprises basic buffer solution, polyvinyl alcohol and polyvinylpyrrolidone, wherein the pH value of the basic buffer solution is between 5.5 and 9.0; the mass percentage of the polyvinyl alcohol in volume is between 0.05 and 1.5 percent; and the mass percentage of the polyvinylpyrrolidone in volume is between 0.05 and 2 percent. Because the serum sample treating preparation contains macromolecule surfactants of the polyvinyl alcohol and the polyvinylpyrrolidone, the preparation has the advantages of effectively lowering certain non-specific adsorption of the antibody, lowering background value and improving detection sensitivity.

The invention provides a method for planting high-yield rice on saline-alkali lands. The method has the advantages that the salt content of soil is reduced in leaching modes, calcium superphosphate is added into the soil, accordingly, a pH (potential of hydrogen) value of the soil can be improved, and phosphorus fertilizers can be provided for growth of the rice; the fertilizers contain special microorganisms and can assist the rice to adapt to soil environments of the saline-alkali lands after the fertilizers are used, and accordingly good rice growth promoting effects can be realized; the microorganisms and distillers' grains are fermented in a matched manner, and good fermentation effects can be realized by the aid of fermentation suitable environment in the distillers' grains; the organic fertilizers and the inorganic fertilizers are matched with one another, and accordingly high-yield purposes can be achieved by the rice on the saline-alkali lands.

The invention provides a method for planting and transplanting ligustrum lucidum in saline-alkali soil. the method has the advantages that microbial fertilizers and furfural residues are matched with one another, so that the salt content of the soil can be improved, fertilizers can be provided for growth of the ligustrum lucidum, and soil replacement can be omitted in integral procedures; the fertilizers can come from wide source and are low in cost, accordingly, the method has a good economic benefit, and the ligustrum lucidum is high in survival rate and can grow quickly.

The invention provides oligopeptide raw liquid with whitening and acne mark fading performance and a preparation method thereof, and relates to the field of cosmetics. The oligopeptide raw liquid comprises 12.554 to 16.604 parts of group A raw materials; the group A raw material is prepared from the following ingredients in parts by weight: 40.3 to 72.96 parts of small active peptides, 3.98 to 15.77 parts of acne removing components, 0.008 to 0.06 parts of quaternary ammonium salt-73, 0.04 to 15.94 parts of ethoxy diethylene glycol, 0.83 to 20.8 parts of centella extracts and 5.235 to 23.9 parts of nicotinamide. The oligopeptide raw liquid provided by the invention comprises bioactive peptide and active restoration and moisture preservation ingredients, so that active ingredients can fastpenetrate to the base layer through the skin to achieve the effects of deeply nourishing the skin, removing acne, reducing the marks to finally eliminate acne marks, enhancing skin elasticity and tightness, isolating skin injury from external environment, improving damaged skin, improving the skin color and luster, forming a nourishing and moisture preserving film on the surface of the skin and achieving the long-time effect of enabling the skin to be soft, smooth and fine and moist for a long time so that the skin shows bright clean transparent and tender texture, so that the face skin gets anew life.

The invention discloses a liquid explosive with a small critical diameter and medium detonation velocity and a preparation technology thereof. The liquid explosive is composed of the following components in percentage by weight: 60 to 90% of nitromethane, 3 to 10% of sensitizing agent, 5 to 20% of performance buffering agent, and 2 to 10% of complexing agent. The liquid explosive has the following characteristics: (1) the mechanical sensitiveness is low, and the operation is safe; (2) the detonation is reliable, the critical diameter is small, and the energy is proper; (3) the fluidity is good, and thus the liquid explosive is suitable for long distance pumping; (4) the whole system is in a weak alkali state and is non-corrosive to metals; (5) the preparation method is simple, the price is low, and the liquid explosive can be mixed onsite before using. The liquid explosive is applied to oil and gas exploitation and is especially suitable for oil and gas exploitation in low permeable hard rock areas.

The invention belongs to the technical field of saline-alkali land improvement, and provides a saline-alkali land improving organic fertilizer and a preparation method thereof. The saline-alkali landimproving organic fertilizer comprises the following substances in parts by weight: 30-50 parts of charcoal, 50-80 parts of raw materials, 20-30 parts of auxiliary materials, 30-50 parts of humic acidand 25-35 parts of microorganisms. According to the invention, the saline-alkali land improving organic fertilizer can effectively improve the salt content and the pH value of a saline-alkali land, and can improve the soil looseness of the saline-alkali land and guarantee the soil fertility.

The invention discloses a method for a vertical deep-rotation cultivation of potatoes in a semi-arid area, which comprises the following steps of: 1) land selection and pretreatment;2) application ofbase fertilizer: apply organic fertilizer and chemical fertilizer along with the vertical deep-rotation; 3) vertical deep-rotation and ridging: with depth of 35-40cm by vertical deep-rotation, dig deep ditch between large ridges , and small groove on the middle of the large-ridge; 4) cover of auxiliary materials and film; cover the ridge surface and the groove surface with the corn cob powder andthe wheat shell, and then cover the whole surface with black film, and place fine soil on the upper film surface of the ridge; 5) seed selection and seed treatment; 6) sowing; 7) field-management; 8)prevention and control of plant diseases and insect pests; 9) timely harvesting; 10) removal of the waste film. The method can be used to improve the quality and yield of potatoes, increase the production efficiency and improve the economic benefit, and is applicable for large-scale cultivation and transplantation. The test shows that the yield of the potato planted by the method is increased by 12.7% on year-on-year basis, in particular, the commodity rate is increased to 75.3%.

The invention relates to the technical field of agriculture, in particular to a saline-alkali soil conditioner and a preparation method and application thereof. The saline-alkali soil conditioner is prepared from the following components in parts by mass: 50 to 60 parts of animal waste, 30 to 40 parts of crop straw, 20 to 28 parts of rice husk, 12 to 18 parts of biochar, 8 to 12 parts of fly ash, 6 to 10 parts of humic acid, 2 to 6 parts of polypeptide amino acid, 2 to 4 parts of ferrous sulfate and 0.01 to 0.03 part of EM bacterium agent. The saline-alkali soil conditioner obtained according to the components can regulate the pH of soil, improve the soil structure and increase the crop yield.

The invention discloses a compound fertilizer for improving saline-alkali soil and solves the problem that an organic fertilizer in the prior art cannot continuously improve soil condition of the saline-alkali land for a long time. The compound fertilizer disclosed by the invention comprises a bag A and a bag B, wherein the bag A is prepared from the following raw materials in parts by weight: 10 to 15 parts of black alum, 5 to 12 parts of flue gas desulfurization gypsum, 40 to 60 parts of organic fertilizer, 12 to 30 parts of boric acid and 14 to 40 parts of nitrogen phosphorus potassium compound fertilizer, and the bag B is a biological bacterium agent which is prepared from the following ingredients in parts by weight: 10 to 15 parts of trichoderma agent, 20 to 50 parts of bacillus subtilis agent and 20 to 30 parts of bacillus licheniformis agent. The compound fertilizer disclosed by the invention has an effect of continuously improving soil condition for a long time.

The invention discloses an amendment for tree planting soil in beach saline-alkali land and a preparation method of the amendment. The amendment for tree planting soil in the beach saline-alkali landcomprises the following raw materials: 30-36 parts of a blocking agent, 0.01-0.03 part of an acid regulator, 7-10 parts of organic fertilizer, 0.2-0.8 parts of a settling agent and 0.01-0.03 parts ofmicrobial agents. The amendment for tree planting soil in the beach saline-alkali land has beneficial effects as follows: the beach saline-alkali land can be amended, free sodium ions are fixed on thesurface of residual refractory cellulose by halophilic bacteria, alkali in the soil is neutralized by the effects of the halophilic bacteria and the blocking agent, so that formation of the soil aggregate structure is promoted, the pore structure of the soil is adjusted, the alkalization degree of the soil is reduced, soil fertility of the saline-alkali land can be obviously improved, the contentof organic matter in the saline-alkali land is increased, the saline-alkali land is amended, and the survival rate of greening trees is increased.

The invention discloses an improving method for a saline-alkali land and belongs to the technical field of agriculture. For the saline-alkali land per mu, the method comprises the following steps: (1) uniformly spreading mushroom planting wastes on the surface of soil, after carrying out deep ploughing by using a deep ploughing machine, irrigating, and soaking the mushroom planting wastes for 10-15h; and (2) draining water in the saline-alkali land, carrying out rotary tillage, meanwhile, applying organic farm manure, an amino acid fertilizer and a composite microbial agent, and then, carrying out field planting on seedlings after 3 days since farmland fertility maintenance. The improving method for the saline-alkali land, disclosed by the invention, is used for improving the land under the condition of an original soil environment, wastes in the current mushroom planting process are adopted to form a breathable impermeable aggregate layer, saline and alkali are flushed to be clean by irrigation after the impermeable aggregate layer is mixed with a saline-alkali layer on a surface layer, and the impermeable aggregate layer can be used for effectively preventing planting oil on the surface layer from being salinized, so that a planting layer is suitable for plantation for a long term; and by using the method, flushing by using a great number of freshwater resources is not needed, so that the water consumption is effectively reduced.

The invention belongs to the technical field of agriculture, and particularly relates to a Chinese walnut sowing and seedling breeding method. The method specifically comprises the following steps: selecting seeds, airing the seeds, soaking the seeds, airing the soaked seeds, accelerating germination, preparing soil, and sowing the seeds. According to the invention, a nutrient solution prepared from mint, pine needles, seaweeds and glycine betaine is used for soaking the seeds, so that pollution of infectious microbes can be effectively prevented, and the germination of the walnut seeds can bepromoted. A culture medium prepared from fine sand, walnut green seedcases, artemisia argyi and the bagasse is used for accelerating germination, so that sufficient nutrients can be provided for thegermination of the walnut, invasion of bacteria can be inhibited, mildew and rotting of the walnut seeds can be reduced, and the germination rate of the walnut seeds can be improved. According to theChinese walnut sowing and seedling breeding method, the seed germination rate is high, the germination period is short, the walnut seedlings have good disease resistance, and the survival rate is high.

The invention belongs to the technical field of medical industry, and mainly relates to a compound immobilized enzyme used for preparing statins, as well as a preparation method and applications of the compound immobilized enzyme. The compound immobilized enzyme provided by the invention is prepared through the manner of fixing active enzyme in an immobilized enzyme carrier through the fixing manner of adsorption, covalent binding, embedding, microencapsulation or crosslinking, wherein the active enzyme is composed of ketoreductase and/or halohydrin dehalogenase, and the mass percent of the ketoreductase in the active enzyme is 0%-100%. The immobilized enzyme product is applied to the process for producing the midbody, namely, ethyl(S)-4-chloro-3-hydroxybutanoate and/or ethyl(R)-4-cyano-3-hydroxybutyate of the products including atorvastatin, rosuvastatin, pitavastatin and the like. Compared with the liquid enzyme, the compound immobilized enzyme provided by the invention has the advantages that the production cost is reduced, the labor intensity is alleviated, the utilization efficiency of enzyme is improved, the discharge of waste water, waste gas and industrial residue is reduced, and the environment is protected.

The invention discloses a ceramic filter element of diatomite composite activated carbon as well as a production method thereof. The key point of the technical scheme is as follows: the filter elementconsists of the following raw material components in parts by mass: 80 to 90 parts of diatomite, 8 to 15 parts of activated carbon, 3 to 5 parts of polyvinyl alcohol, 2 to 3 parts of calcite, 2 to 3parts of a hargil powder, 2 to 3 parts of dolomite, 2 to 3 parts of a pore-forming agent and 0.5 to 1.0 part of a burning accelerant; and after semi-dry pressing forming, the effects of removing colloidal substances such as silt and rust from water, improving the turbidity of the water, removing the residual chlorine of the water, enabling the pH value of the water to be slightly weak alkaline andadapting to the internal environment of a human body are achieved.