44results about How to "Adjust physical and chemical properties" patented technology

The invention discloses a method for preparing a bioactive glass ceramic material for bone defect restoration, which comprises the steps of: sieving the biological glass powder, adding the polyacrylamide solution, ball milling and mixing uniformly to obtain the biological glass slurry; pouring the slurry into a macromolecular reverse mould by centrifugal grouting, curing, drying and sintering at a temperature of between 900 DEG C and 1000 DEG C controlled by a program to remove the macromolecular reverse mould to prepare the bioactive glass ceramic material for bone defect restoration. The shape of the bioactive glass ceramic material for bone defect restoration prepared by the invention can be decided according to clinical demand, and the bioactive glass ceramic material for bone defect restoration has good mechanical strength, biocompatibility and degradability, high compression strength, good anti-dispersion performance and activity and adjustable and controllable degradation time. The preparation method provided by the invention has a simple process and low cost.

The invention relates to a preparation method of a coix seed extract. The method comprises the steps as follows: S1, drying and crushing coix seeds to obtain coix seed flour; S2, removing starch and fat in the coix seed flour through acid treatment and addition of a degreasing agent; S3, performing dynamic superhigh-pressure microfluidization treatment on coix seed pulp to promote dissolution extraction of polysaccharide and protein in the coix seed pulp; S4, adjusting the mass concentration of the coix seed pulp, adding an ionic strength regulator to regulate the ionic strength of the coix seed pulp, and adjusting the pH of the coix seed pulp; S5, adding an organic polymer adsorbent to the coix seed pulp to adsorb protein and polysaccharide agglomerates; S6, performing standing and filtration, collecting a filtered-out organic polymer adsorbent, and sequentially eluting polysaccharide and protein; and S7, removing starch and grease again through low-temperature settlement and centrifugal degreasing to finally prepare a coix seed emulsion containing polysaccharide and protein. The prepared coix seed emulsion is compounded into instant compound coix seed flour.

The invention belongs to the field of pharmaceutical chemistry, and particularly relates to pyridazinone compounds as shown in general formula I or isomers thereof or pharmaceutically acceptable salt, ester prodrug or solvate thereof, a preparation method thereof, a medicinal composition and application thereof in preparation of a tyrosine kinase inhibitor (especially c-Met inhibitor). The compounds or the medicinal composition thereof serving as a tyrosine kinase inhibitor (especially c-Met inhibitor) can be used for preventing and/or treating neoplastic diseases related to c-Met abnormality.

The invention relates to a composite microbial inoculant for degrading shale gas-water based drilling cutting pollutants as well as a preparation method and a use method of the composite microbial inoculant. A microbe main body of the composite microbial inoculant is prepared from pseudomonas aeruginosa, acinetobacter, bacillus subtilis and micrococcus which are mixed according to the mass ratio of (1-2) to (0.5-1) to (1-2) to (1-2), wherein the content of living bacteria number of the composite inoculant is 108-1,012 cfu/ml. The composite microbial inoculant can perform effective degradationon the shale gas-water based drilling cutting pollutants.

The invention discloses special complete-element biological slow release base fertilizer for cotton and a preparation method of the base fertilizer. The base fertilizer is prepared from raw materialsas follows: straw, livestock excrement, wood flour, waste animal protein, pecan shells, shells of bamboo shoots, functional bacteria, inorganic fertilizer and a coating solution. According to the special complete-element biological slow release base fertilizer for cotton and the preparation method of the base fertilizer, the base fertilizer has reasonable nutrient ratio, good slow release propertyand high fertilizer utilization rate, can effectively control black root rot of cotton, also can effectively adjust the physicochemical property of soil and effectively improves the quality of the cotton while increasing the yield of the cotton.

The invention provides a planting method for modifying desert wasteland. The method comprises the following steps: A) applying 300-600kg of a soil conditioner, 150-200kg of a special microbial fertilizer for saline-alkali soil and 3-5m < 3 > of decomposed farmyard manure to the surface of each mu of severe saline-alkali sandy land, wherein the special microbial fertilizer for saline-alkali soil isa microbial flora screened and separated from saline-alkali soil; B) performing rotary tillage on the sandy land for 10-15cm, and uniformly mixing the soil conditioner, the special microbial fertilizer for saline-alkali soil, the decomposed farmyard manure and surface sandy soil; and C) sowing mulberry root grass, and performing irrigation, wherein the mulberry root grass is annual multi-harvesting hybrid sudangrass. According to the method provided by the invention, rapid conservation is realized through a biological enhanced decomposition technology, and the physical and chemical propertiesof the soil are adjusted; and a sandy soil healthy ecological system is constructed through a microbial technology for resisting drought, salt and alkali and promoting plant growth in combination with a scientific farming technology, so that the growth of plant root systems is promoted, the tolerance of plants to drought and salt and alkali is increased, and the plant growth is increased.

The preparation process of cracking catalyst includes adding one additive selected from polyphosphate, phosphonate, polyamino carboxylate, homopolymer or copolymer with carboxyl chain segment into clay slurry and molecular sieve slurry, mixing with acidified adhesive slurry, and drying in conventional method or spraying drying. The said process has lowered material viscosity, raised solid content, flexible gluing mode, fastness, easy control, low power consumption and high production efficiency.

The invention discloses a bioactive soil conditioner for repairing chromium pollution of soil as well as a preparation method and application of the bioactive soil conditioner, and belongs to the technical field of soil pollution treatment. The bioactive soil conditioner is prepared from the following raw materials in parts by weight: 30-50 parts of humic acid, 15-25 parts of attapulgite, 15-20 parts of biogas residues, 10-15 parts of urea, 5-10 parts of a solid fermentation microbial agent, 1-3 parts of a stabilizer and 0.5-1.5 parts of ferrous sulfate. The bioactive soil conditioner disclosed by the invention can effectively reduce the content of hexavalent chromium in soil, increase the content of nutrient substances in the soil and regulate the physicochemical properties of the soil, and the compound use of microorganisms can improve the disease resistance of crops and improve the yield and quality of the crops while regulating the soil environment; and the bioactive soil conditioner is safe, environment-friendly, pollution-free, high in chromium removal efficiency, convenient to use and particularly suitable for treatment of chromium-polluted soil, and has wide economic benefits and social benefits.

The invention provides a method for preparing SnO2/Ag2O composite particles through an electrostatic spinning method and a prepared product. The method comprises the following steps of dissolving tinsalt, didodecyldimethylammonium bromide, acetamide, silver nitrate and polyvinylpyrrolidone into a mixed solvent of dimethyl formamide and ethanol, stirring till the obtained mixture turns transparent, so as to obtain a precursor spinning solution, after carrying out electrostatic spinning and heat treatment, obtaining a final product. Through designing a novel precursor solution composition, thecrystallization and the growth process of two kinds of oxides in the high temperature sintering process are effectively controlled, the quasi-spherical SnO2/Ag2O composite particles with adjustable size are obtained and has remarkable distinction with one-dimensional materials obtained by a traditional electrostatic spinning method. The method provided by the invention is simple and convenient inoperation in the synthetic process, controllable in product appearance, good in uniformity and high in yield, the prepared SnO2/Ag2O composite material has better application to the field of gas sensitive sensors.

The invention discloses a planting method for improving peony quality. The planting method comprises the following steps of S1, soil preparation and fertilizer applying: selecting sand soil, ploughingdeep, ridging and applying base fertilizer; S2, planting: selecting strong peony seedlings, soaking roots before planting, and watering after planting; S3, daily management: timely watering and draining, soil loosening, weeding, preventing and controlling diseases and pests, topdressing, pruning and disbudding. The planting method for improving peony quality improves stress resistance of peonies,promotes growth and development and accumulation of nutrient substances of peonies, and effectively improves yield and quality of peonies.

The invention provides a preparation method of a PLGA [poly(lactic-co-glycolic acid)]/bioactive glass composite degradable bone nail. The preparation method comprises the following steps: (1) dissolving polylactic acid-glycolic acid copolymer particles into an organic solvent to prepare an oil-phase solution of poly(light glycolic acid); (2) adding bioactive glass powder into the oil-phase solution to form a mixed emulsion of polylactic acid-glycolic acid copolymer/bioactive glass; (3) volatilizing the organic solvent in the mixed emulsion prepared in the step (2), washing with water, drying and placing the obtained powder in a discharge plasma sintering cavity for sintering. The biodegradable bone nail prepared by the method has high biocompatibility, high mechanical strength and high bioavailability. Through addition of the bioactive glass, an acidic environment generated in the degradation process of a polylactic acid-glycolic acid copolymer can be neutralized, so that the change ofpH value of the degradation solution of the polylactic acid-glycolic acid copolymer tends to be stable. The preparation method has the advantages of simple process, low cost and safer production industry.

The invention discloses black glass ceramic and a preparation method thereof. The ceramic is prepared from, by weight, 50-70 parts of mica powder, 12-25 parts of potassium permanganate, 5-16 parts of mica powder, 6-12 parts of blue vitriol, 4-14 parts of sodium silicate, 16-28 parts of silicon dioxide, 10-40 parts of zinc oxide and 3-10 parts of ammonium polyacrylate. The preparation method of the black glass ceramic comprises the steps of weighing raw materials according to the parts by weight, mixing and adding the raw materials into a crucible, heating the crucible, keeping temperature retention for 1-2 hours within the range from 1500 DEG C to 1600 DEG C, conducting shocking chilling, forming frit, smashing the frit into glass powder, placing the glass powder into a crucible at the temperature ranging from 1050 DEG C to 1100 DEG C for fusion, conducting natural cooling, and obtaining the black glass ceramic. According to the formula of the black glass ceramic, the mixing is conducted according to a certain proportion, then the black glass ceramic is obtained and is in black, products obtained after the mixing are stable in color and luster, little pollution is caused in the production process, only traditional ceramic firing equipment is needed for production, no additional dedicated electroplating equipment is needed, and the cost is saved.

The invention discloses a root-knot nematode control carbon-based medical fertilizer and a preparation method thereof. The carbon-based medical fertilizer comprises lythidathion, abamectin B2, wood vinegar, biomass charcoal, carrier fertilizers and adhesives. By applying the carbon-based medical fertilizer, soil diseases such as root-knot nematodes and bacterial wilt can be persistently and effectively controlled, the use ratio of the carrier fertilizers is increased, the physicochemical property of soil can be regulated, soil hardening is prevented, double pest control effects of fertilizer application and pesticide application can be simultaneously achieved by applying the medical fertilizer once, the disease resistance effect of vegetables can be remarkably enhanced, vegetable quality is improved, labor production efficiency can be improved, and the medical fertilizer plays a positive role in promoting production investment reduction and vegetable production and income increase.

The invention discloses high-strength impact-resistant glass ceramic and a preparation method thereof. The ceramic comprises the following raw materials in parts by weight: 50-70 parts of aluminum oxide, 12-25 parts of titanium dioxide, 5-16 parts of mica powder, 6-12 parts of sodium fluoride, 4-14 parts of sodium silicate, 16-28 parts of silicon dioxide, 10-40 parts of zinc oxide and 3-10 parts of ammonium polyacrylate. The preparation method comprises the following steps: weighing the raw materials in parts by weight, mixing the raw materials together, adding into a crucible, heating the crucible, keeping the temperature at 500-1600 DEG C for 1-2 hours, quenching to form frits, crushing into glass powder, melting the glass powder in a crucible at 1050-1100 DEG C, and naturally cooling. The high-strength impact-resistant glass ceramic disclosed by the invention is good in strength and difficult to break; and compared with the prior art, the preparation method disclosed by the invention needs a short time and is low in energy consumption and the product is good in quality and does not have toxic and harmful matter residues.

The invention relates to nark glaze, a bark glaze ceramic product prepared from the bark glaze and a preparation method of the bark glaze ceramic product, which belong to the technical field of ceramics. The bark glaze comprises the following raw materials in parts by weight: 35-37 parts of potash feldspar, 18-21 parts of barium carbonate, 14-17 parts of dolomite, 9-12 parts of calcium carbonate, 16-18 parts of bone ash and 4-5 parts of a chromogenic reagent, wherein the chromogenic reagent is a mixture of ferric oxide and manganese oxide at a mass ratio of 3:2. The preparation method comprises the following steps: according to the formula, mixing the raw materials and ball-milling; mixing to obtain glaze slip with required concentration; glazing and sintering, so as to obtain the bark glaze ceramic product. In the invention, through the reasonable formula and the simple preparation method, the bark glaze ceramic product returns to nature, is attractive in glaze and is environment-friendly, and energy conservation and emission reduction are achieved.

The invention discloses a suspension liquid set fertilizer for reducing yellowing of honey pomelo leaves and a preparation and application method thereof. The suspension liquid set fertilizer is composed of a suspension liquid fertilizer a and a suspension liquid fertilizer b; according to the suspension liquid fertilizer a and the suspension liquid fertilizer b, a phosphate fertilizer and calciumand magnesium fertilizers are separately prepared so that the phosphate fertilizer and other raw materials can be prevented from a drastic exothermic action, and the best use effect can be achieved.The set fertilizer can not only meet the nutrient requirements of fruit trees in different growth stages, but also obviously alleviate the yellowing symptom of the fruit trees; finally, the yield of the fruit trees is increased, the quality of the fruit trees is improved, and therefore the economic benefits are increased.

The invention discloses a saline and alkaline land soil conditioner prepared from bamboo vinegar and relates to the technical field of agricultural planting. The soil conditioner is prepared from raw materials in parts by weight as follows: 13-18 parts of the bamboo vinegar, 30-40 parts of corncobs, 15-20 parts of coconut dust, 15-20 parts of hawthorn leaves, 15-20 parts of leaves of illicium anisatum, 10-15 parts of Chinese arborvitae twigs and leaves, 10-15 parts of leaves of toona sinensis, 8-12 parts of Chinese honeylocust spines, 6-10 parts of bean dregs, 5-8 parts of peptone, 5-8 parts of mineral powder, 4-7 parts of distiller's yeast, 3-5 parts of yeast powder, 3-5 parts of tobacco straw ash and 2-4 parts of grape seed meal. The soil conditioner can reduce the pH value of soil, enrich nutritional ingredients of the soil, adjust physical and chemical properties of the soil and loosen the soil structure, besides, the added mineral powder can play a role in effectively killing bacteria and pests of the soil, treatment of the soil is simplified, so that plant growth is facilitated, and the planting workload is reduced.

The invention belongs to the technical field of organic fertilizers, and particularly relates to a microbial organic fertilizer which is prepared from the following raw materials in parts by weight: 200-250 parts of decomposed farmyard manure, 5-8 parts of a nitrogen-phosphorus-potassium compound fertilizer, 3-6 parts of a water-retaining agent, 0.03-0.06 part of a microbial agent and 30-50 parts of water. The invention also provides a production method of the microbial organic fertilizer. The microbial organic fertilizer can improve the water holding capacity of soil, save water and fertilizer, improve the utilization rate of water and fertilizer, and improve the properties of soil.