37results about How to "Guaranteed dissolution rate" patented technology

The invention relates to a method of extracting pure ultrafine alumina from powder coal ash, which comprises the following: 1 sintering and activating process: Na2CO3 is used as activating agent during sintering; 2. aluminum salt extraction process: in the activated power coal, low-concentration sulfuric acid is selected to perform aluminum salt extraction; 3. leaching and sedimentation process: the solution after sulfuric acid is extracted is leached, the aluminum salt filtrate is added with dispersant, ammonia is used as precipitator so that the aluminum ion is separated out in the form of aluminum hydroxide; 4. heat treatment process: the aluminum hydroxide is cleaned with water and then dried, under different temperature, the heat treatment of the aluminum hydroxide is performed so that the aluminum hydroxide is dehydrated, decomposed, and crystallized, so as to obtain different crystal type alumina powder. The invention has the advantages of simple process, good synthetic benefit and high extraction ratio of alumina.

The invention relates to a preparation method and a preparation system of trimanganese tetraoxide. The preparation method comprises: introducing micro-nano gas bubbles into a reaction liquid mixture containing a manganese source to obtain a liquid-gas mixture containing the micro-nano gas bubbles and the reaction liquid mixture, and carrying out a reaction to obtain trimanganese tetraoxide, wherein the micro-nano gas bubbles contain oxidizing gas, and the average valence of the manganese in the manganese source is less than 8 / 3. According to the present invention, by introducing the micro-nanogas bubbles containing the oxidizing gas into the reaction system containing the manganese source, the oxidation reaction rate is improved, and the oxidation reaction time is shortened; and the generation rate of the trimanganese tetraoxide is increased, the particle size of the trimanganese tetraoxide is reduced, the develop integrity of the trimanganese tetraoxide crystal is improved, and the defect of the crystal is reduced.

The invention discloses a microorganism wettable powder agent for preventing and treating phenacoccus pergandei. The microorganism wettable powder agent comprises the following raw materials in parts by weight: 35-45 parts of Chinaberry barks, 28-36 parts of sophora flavescens, 19-31 parts of consolida ajacis, 14-20 parts of lysimachia foenum-graecum, 12-18 parts of tea dregs, 9-13 parts of bacillus subtilis powder, 6-14 parts of bacillus thuringiensis powder, 4-8 parts of a wetting agent, 6-14 parts of a dispersing agent, 6-12 parts of a disintegrant and 45-65 parts of packing. The bacillus subtilis powder and the bacillus thuringiensis powder in the microorganism wettable powder agent are both microorganism pesticides, meanwhile treated Chinaberry barks, sophora flavescens, consolida ajacis, lysimachia foenum-graecum and tea dregs are added, a proper amount of auxiliary materials are added as well, the microorganism pesticides and the botanical insecticides play a role of synergism, the two pesticide mechanisms supplement each other, active pesticide components in microorganisms and metabolite of the microorganisms and the botanical insecticides are reasonably utilized, and thus the microorganism wettable powder agent is high in utilization rate and good in prevention and treatment effect, particularly on phenacoccus pergandei.

The invention discloses a processing method of bean curd, tender bean curd and refreshment made from bean milk and belongs to the technical field of processing of soya bean products. The processing method comprises the steps of material selection, soaking, smashing, separation, milk filtration and milk boiling, wherein the milk boiling temperature is 30-105 DEG C, the milk boiling time is 12-16 minutes, and a defoaming agent is added in the milk boiling process and is prepared by compounding organic silicone oil, modified soyabean lecithin, soybean oil and water. The defoaming effect in the bean curd processing process can be effectively improved by optimizing compounding of the components of the defoaming agent and optimizing the design of a bean curd processing technology, the usage amount of the defoaming agent is small, and the limited requirement for the use amount of polydimethylsiloxane in the national standard can be met.

The invention discloses a preparation process of three-penis wine. The preparation process comprises the following steps: S1, preparing the following medicinal materials in parts by mass: 0.2 part ofseal penis, 1 part of deer penis, 6 parts of penis canitis, 11.4 parts of ginseng, 10 parts of cinnamon, 20 parts of Chinese wolfberry, 20 parts of poria cocos, 30 parts of Chinese yam, 4 parts of Sichuan pepper and 4 parts of fennel, and crushing the medicinal materials into medicinal powder particles; S2, wetting and sealing the medicinal powder particles; S3, conveying the wetted medicine powder particles into a percolation device to be soaked; S4, carrying out percolation; S5, adding purified water into the percolation device, and carrying out circulating water washing; S6, blending wine,namely uniformly mixing an obtained percolate, sugar, yellow rice wine, old wine and purified water in proportion, standing and filtering. According to the preparation process of the three-penis wineprovided by the invention, effective components in the traditional Chinese medicine prescription can be more effectively extracted, and the medicinal effect of the traditional Chinese medicine prescription can be fully exerted.

The invention provides a preparation method of dendrobium nobile stem drink. The method comprises the following steps: 1) freezing dendrobium nobile stems; 2) performing wall breaking treatment on the frozen dendrobium nobile stems to obtain crushed dendrobium nobile stems; 3) mixing the crushed dendrobium nobile stems with a solvent, and performing wet-type superfine crushing to obtain dendrobium nobile stem liquid; 4) precipitating the dendrobium nobile stem liquid and conducting filtering to obtain dendrobium nobile stem juice; and 5) blending the dendrobium nobile stem juice into dendrobium nobile stem drink. The preparation method provided by the invention has the advantages that the dissolution rate is high, the effective active ingredients are easily absorbed by the human body, the utilization degree is high, the cost is relatively low, etc.

The invention belongs to the field of metallurgy, and particularly relates to an acid pickling method of calcified clinker. Aiming at solving the technical problem, the invention provides the acid pickling method of the calcified clinker. In the acid pickling method, according to the different specific values of acid-soluble vanadium amounts to total vanadium amounts in roasted clinker and ambienttemperatures, the proper temperature rise rate is controlled; thus, the proper liquid-solid ratio of a mother liquor amount to a clinker amount is further controlled and the factors of a pH (potential of Hydrogen) change rate and the like are controlled; and therefore, the acid pickling rate of calcified and roasted clinker is enabled to be up to 95% or above.

The invention discloses a method for eliminating a casting shrinkage cavity defect by using a petroleum coke carburant. The method comprises the following steps that a first batch of carbon steel scrap is added into the petroleum coke carburant for being mechanically stirred uniformly, and then added into the middle-lower part of a medium-frequency smelting furnace; a second batch of carbon steel scrap is added into the middle-upper part of the medium-frequency smelting furnace, and heating is carried out until the carbon steel scrap is completely molten into molten steel; after the molten steel is completely melted down, magnetic stirring is carried out, and after carbon components in the furnace are uniform, sampling is carried out for spectrum sample component analysis; and the components are adjusted after sampling, and various elements are added according to requirements. The petroleum coke is added at the initial stage of the smelting furnace, so that the dissolving speed of the petroleum coke can be guaranteed, graphite carbon is effectively prevented from forming graphite floating in a casting, spheroidizing recession of graphite is effectively prevented, graphitizing expansion in a matrix is fully exerted, shrinkage porosity and shrinkage cavity defects of a hot spot part in the casting are effectively prevented, raw material waste is reduced, and the production cost is reduced.

The invention discloses a preparation method of a zinc-air battery catalyst. The preparation method comprises the following steps of: S1, adding 2, 5-dihydroxyterephthalic acid and polyacrylonitrile into N, N-dimethylformamide, carrying out ultrasonic dissolution, and then transferring a solution into an injection pump, and performing electrostatic spinning on an electrostatic spinning receiving roller so as to obtain a layer of fiber membrane I; S2, adding cobalt nitrate hexahydrate and polyacrylonitrile into N, N-dimethylformamide, performing ultrasonic dissolution, then transferring a solution into an injection pump, and performing electrostatic spinning on the fiber membrane I to obtain a layer of fiber membrane II; S3, taking down the fiber membrane II from the receiving roller, cutting the fiber membrane II into 2cm*2cm membranes, stacking the fiber membranes, placing the stacked fiber membranes in a 25mL high-pressure reaction kettle, adding a mixed solvent of which the liquid surface is higher than the height of the fiber membranes, pressing a metal block on the stacked fiber membranes to prevent the fiber membranes from floating, carrying out ultrasonic treatment, performing a reaction at 120-135 DEG C for 24-30 hours, performing cooling, filtering and drying to obtain a precursor; and S4, uniformly mixing the precursor obtained in the step S3 with calcium salt, then putting the mixture into a tubular furnace, and calcining the mixture in a mixed gas atmosphere to obtain the catalyst Co-MOF-74 (at) C / Ca.

The invention relates to the field of chemical water scale removal, and particularly discloses a cleaning composition and process capable of effectively removing scale and low in corrosivity. The cleaning composition capable of effectively removing scale and low in corrosivity is prepared from the following components in percentage by mass: 2.0 to 6.0 percent of inorganic acid, 0.1 to 0.8 percent of corrosion inhibitor, 0.03 to 0.09 percent of surfactant, 0.5 to 3.6 percent of ethanol and the balance of water. The cleaning process capable of effectively removing scale and low in corrosivity comprises the following steps: evenly mixing a corrosion inhibitor, a surfactant, ethanol and water and pumping into a to-be-cleaned system to be circulated evenly; and finally pumping inorganic acid into the to-be-cleaned system to be circulated till the water scale is removed. The cleaning composition and process have the advantages of high cleaning rate and low corrosion to aluminum copper pipes.

The invention discloses a method for microwave extraction of ursolic acid and oleanolic acid in loquat leaves. The method comprises the following steps: step 1, putting loquat powder into a microwavereflux extraction device, adding an ethanol solution, and carrying out microwave-assisted reflux extraction; step 2, carrying out secondary reflux extraction to obtain a second extract; 3, mixing first extract and the second extract, adding a sodium hydroxide solution, adjusting a pH value, carrying out heating in a water bath, and performing filtering to obtain a first filtrate; step 4, adding asulfuric acid solution into the first filtrate, adjusting the pH value, performing diluting with an acidic aqueous solution with an equal volume and an identical pH value, and carrying out heating ina water bath to obtain crude extract of ursolic acid and oleanolic acid; step 5, performing separating to obtain a high-purity ursolic acid sample and a high-purity oleanolic acid sample; and 6, performing drying, and carrying out content determination by using high-performance liquid chromatography to obtain ursolic acid and oleanolic acid both with purity of 96% or above, wherein the yield of ursolic acid is 3.1 mg / g or above and the yield of oleanolic acid is 0.48 mg / g or above. According to the method, the purity and the extraction rate of ursolic acid and oleanolic acid are effectively improved, operation is time-saving, and cost consumption is reduced.

The invention relates to the field of pharmaceutical preparations, and provides an application of beta-glucan as an adhesive in the preparation of tablets or granules. Beta-glucan has certain viscosity, can play a certain role in adhesion in the tablet forming process, and can also ensure the dissolution of medicines. The invention further provides a pharmaceutical composition containing beta-glucan. Beta-glucan and a surfactant namely sodium dodecyl sulfate are jointly dispersed in an organic solvent, drying is carried out after sufficient stirring, airflow crushing is further carried out toobtain beta-glucan-sodium dodecyl sulfate modified powder, the dispersity of beta-glucan and the content uniformity of a preparation are effectively improved, and the medicine bioavailability is improved.

The invention provides a method for producing anti-crushing granular sodium tripolyphosphate. The method comprises the following steps: (1) a neutralization reaction: adding water into a neutralization pot for heating, adding soda ash, carrying out stirring to completely dissolve the soda ash, raising the temperature of a formed solution to 40-50 DEG C, slowly adding phosphoric acid under stirring, adjusting the K value of neutralized slurry to 2.8+ / -0.1, then adding potassium metaphosphate and sodium hexametaphosphate, carrying out a reaction for 45 min and then carrying out filtering to obtain viscous slurry for subsequent usage; (2) drying and dehydration: conveying the viscous slurry obtained after neutralization to a drying tower for atomization and dehydration at 130+ / -10 DEG C; and(3) polymerization: sending the dried and dehydrated raw material back to a rotary polymerization furnace for polymerization at 210+ / -10 DEG C so as to obtain the anti-crushing granular sodium tripolyphosphate. The production method provided by the invention has the advantages of low raw material cost, simple process, easy industrialization and easy availability of raw materials; and the preparedgranular sodium tripolyphosphate has high anti-crushing strength and is not damaged in structure during transportation and storage.

The invention relates to the field of cooked wheaten food, in particular to sweet potato noodles and a preparation method thereof. The noodles are mainly prepared from euphorbia splendens, sweet potato leaves, flour, oyster oil, salt, sweet potatoes and chitosan. The sweet potato noodles can provide energy required by human bodies and have the effects of detoxifying, resisting cancer, promoting blood circulation and diminishing swelling. The obtained noodles have good taste, high gluten strength, high elasticity and high pasting property, guarantee the physiological activity of the effective components in the euphorbia splendens, and solve the problem about the nutritional value of the sweet potato noodles and the problem that the sweet potato noodles are easy to paste in the boiling process, so that the edible value of the sweet potato noodles is enhanced.

The invention discloses a production system of dried bean curd, which belongs to the field of food processing. The production system of the dried bean curd comprises a soaking tank, a soybean milk making mechanism, a soybean milk dispensing barrel, a molding machine, a cooking tank, a blow drying apparatus and a cooling apparatus, wherein the soybean milk making mechanism comprises a soybean milk grinding apparatus, a centrifugal separation apparatus, a continuous closed overflow-type soybean milk boiling system and a cooked soybean milk filtering apparatus, the continuous closed overflow-type soybean milk boiling system consists of 8 to 10 soybean milk boiling pots, each soybean milk boiling pot is provided with a soybean milk inlet, a soybean milk outlet and a steam inlet, the soybean milk inlet of the next soybean milk boiling pot is connected with the previous soybean milk boiling pot by virtue of an overflow pipeline, and the soybean milk outlet of the terminal soybean milk boiling pot is connected with a cooked soybean milk storage pot. By adopting the technical scheme of the invention, the fresh-keeping period of the dried bean curd product can be effectively prolonged, the loss of nutritional substances in the dried bean curd can be reduced, and the taste and quality of the obtained dried bean curd can be ensured.

The invention belongs to the technical field of extraction of plants, in particular to an extraction method of gastrodin in wild rhizoma gastrodiae. The extraction method disclosed by the invention has the advantages that extraction of the gastrodin in the wild rhizoma gastrodiae with high content of the gastrodin is carried out, and because the wild rhizoma gastrodiae contains more medicinal ingredients, that is, gastrodin and gastrodioside citronellol, a flavor of the rhizoma gastrodiae planted through artificial cultivation cannot be compatible with the special flavor of the wild rhizoma gastrodiae; specially on the long lasting of the smell, after common rhizoma gastrodiae is put on a counter, people basically cannot smell the scent, on the contrary, the wild rhizoma gastrodiae is different, even the wild rhizoma gastrodiae is dried for a period of time, the smell can keep lasting for long time and cannot fade away, so the the extraction quantity of the gastrodin ensured; and meanwhile, through proportioning of ethanol solutions with appropriate concentration, the gastrodin is dissolved under an appropriate environment, and spray drying is carried out under a high vacuum environment, so that paste forming ratios of the gastrodin can be increased, the overall operation difficulty is lower, and the extraction efficiency is higher.

The invention discloses a Hami jujube mixed tea replacement and a preparation method thereof. The Hami jujube mixed tea replacement comprises, by weight, 60-70 parts of Hami jujube pulp particles, 7-11 parts of tender apricot kernel powder, 6-10 parts of yam rhizome powder, 3-5 parts of dried longan pieces, and 3-5 parts of dried pieces of roxburgh rose fruit; when Hami jujube slices are subjectedto 50 DEG C for about 12 h for dehydrating until the water content is about 24%, the color of the jujube slices and the yield of crushed target particles are the highest; when the crushed Hami jujubegranules are screened through a 40-mesh sieve, the highest extract content is 84.07%; the Hami jujube mixed tea replacement prepared helps overcome the technical problem that of bitter and hot tasteand color browning are caused in the traditional jujube drying process, and also ensures rapid dissolution and high leachate during brewing; the application value and nutritional function of the finished product are improved, the requirements of modern food industry development for safety, health and nutrition are met, and the Hami jujube mixed tea replacement is a novel food which is safe, healthy and nutritional and accords with the development of times, is suitable for industrial continuous production and is worthy of wide application.

The invention discloses a method for extracting natural capsaicine from chilies. According to the method, smashed chili powder is put in a 1%-20% solution A prepared by mixing carbonate and phosphate or ammonium salt, and then filtration and drying are performed to obtain the natural capsaicine. The method has the advantages that the process is simple, the extraction rate is high, and cost is low; raw materials used are safe and free of toxicity, and the extracted natural capsaicine contains few impurities and is high in quality and suitable for popularization and large-scale production.

The invention relates to the field of lentinan, in particular to a rapid extraction method of high-purity lentinan. According to the invention, fresh shiitake mushrooms are subjected to freeze drying, smashing, soaking, flash extraction, centrifugation of an extract, alcohol precipitation, ultrasonic redissolution, centrifugation and freeze drying, so the lentinan is obtained. The method comprises the following specific steps: raw material preparation and pretreatment: weighing fresh shiitake mushrooms, freeze-drying the fresh shiitake mushrooms, and conducting crushing and soaking; flash extraction: putting a mushroom soaking solution into a flash extractor for extraction; centrifuging: centrifuging the extract to obtain a supernatant; alcohol precipitation: adding absolute ethyl alcohol into the extract, and conducting centrifuging to obtain a polysaccharide precipitate; redissolving: adding deionized water into the polysaccharide precipitate, and carrying out ultrasonic dissolving to obtain extractum; and freezing and drying: freezing and drying the extractum to obtain the lentinan. According to the invention, extraction time is short, product purity is high, the extraction efficiency of the lentinan is improved, and application and popularization of the lentinan are facilitated.

The invention discloses an externally used Yao medicine meridian patch for dredging meridians and activating collaterals. The raw materials of the meridian patch comprise in parts by mass: 2-4 pats ofwhiteflower leadword herb, 4-8 parts of Chinese clematis root, 4-8 parts of twotooth achyranthes root, 2-4 parts of schisandra henryi clarke, 2-4 parts of longipeduncle kadsura root, 1-2 parts of Chinese mesona herb, 1-2 parts of flatstem rockvine stem and root, 2-4 parts of drooping stringbush flower root and bark, 1-2 parts of incised notopterygium rhizome and root, 3-6 parts of turtle carapace, 1-2 parts of eucommia bark, 2-4 parts of turmeric root tuber, 8-12 parts of honey, and 1-2 parts of sesame oil. The invention discloses a preparation method of the externally used Yao medicine meridian patch for dredging meridians and activating collaterals. The preparation method comprises the following steps: grinding whiteflower leadword herb, Chinese clematis root, twotooth achyranthes root,schisandra henryi clarke, longipeduncle kadsura root, Chinese mesona herb, flatstem rockvine stem and root, drooping stringbush flower root and bark, incised notopterygium rhizome and root, turtle carapace, eucommia bark, and turmeric root tuber, then sending the mixture into boiling apparatus for cooking, and performing filtering to obtain a primary filtrate and a filter residue; then adding water into the filter residue for cooking, and performing filtering to obtain a secondary filtrate; and mixing the primary filtrate and the secondary filtrate, then performing low-temperature drying intoa powder, then adding honey and sesame oil for mixing, and then performing spreading on paper to obtain the externally used Yao medicine meridian patch for dredging meridians and activating collaterals.

The invention relates to a rectification and purification method of abamectin. According to the method, mother liquid heating concentration is eliminated in a production process, but mother liquid cyclic use is adopted; by the adoption of mother liquid use, the saturation degree of crystallization can be met without the heating concentration, so that the time for conventional one rectification isshortened by about 5 hours; and furthermore, the use amount of steam consumed by concentration is reduced. In addition, the content of a rectified product is not reduced; and the aims of shortening the working time, saving energy and reducing the consumption are fulfilled.

The invention discloses an instant bolete soup product and a preparation process thereof. The formula of the product comprises the following materials, in parts, of 8800 parts to 9500 parts of chicken fat, 800 parts to 1200 parts of onion, 400 parts to 600 parts of green Chinese onion, 300 parts to 500 parts of garlic, 400 parts to 600 parts of fresh ginger, 100 parts to 200 parts of bolete, 500 parts to 700 parts of lentinus edodes, 100 parts to 300 parts of russula virescens, 30 parts to 70 parts of white pepper, 50 parts to 150 parts of rhizoma kaempferiae, 30 parts to 70 parts of cardamom, 12 parts to 18 parts of Chinese angelica, 1900 parts to 2300 parts of salt, 1700 parts to 2100 parts of monosodium glutamate, 600 parts to 800 parts of sugar, 400 parts to 500 parts of poultry soup-stock, 129 parts to 143 parts of essence, 16 parts to 24 parts of antiseptic and 40 parts to 50 parts of preservative. The preparation process comprises the following steps that chicken oil is cooked, mushrooms and spices are weighed according to the formula, and crushing is conducted; and the chicken oil is heated to 120 DEG C to 140 DEG C, onion blocks are added, materials are heated to 110 DEG C to 130 DEG C, residues are fished out, green onion, garlic and ginger are added, materials are heated to 95 DEG C to 105 DEG C, the mushrooms are added, heating is stopped until the materials are heated to 95 DEG C to 100 DEG C, before the materials are cooled to 85 DEG C, spices and seasonings are added, and before materials are cooled to 75 DEG C, soup-stock, essence, antiseptic and preservative are added. Controllable degradation and reaction of protein and polysaccharide in wild mushrooms are guaranteed through a gradient heating and cooling process, so that mushroom soup is high in nutrient component retention and rich in flavor and taste level.

The invention belongs to the technical field of equipment or special methods for cleaning windshields, windows or optical devices, and discloses a windshield cleaning method. The windshield cleaning method includes step 1, preparing an upper guide rail, a lower guide rail and wipers, and preparing ingredients including sodium hydroxide, disodium dicarboxyl imidazoline, diethylene glycol monoethylether and deionized water; step 2, heating the sodium hydroxide in the deionized water to 45-55 DEG C to dissolve the sodium hydroxide, and adding other ingredients while stirring; step 3, mounting the upper guide rail to the joint between an automobile roof and the upper edge of a windshield, mounting the lower guide rail to the joint between the automobile roof and the lower edge of the windshield, and connecting the wipers between the upper guide rail and the lower guide rail slidably; step 4, spraying cleaning agents to the windshield; step 5, starting the wipers to enable the wipers to reciprocate between the upper guide rail and the lower guide rail. By the windshield cleaning method, the problem that some corners cannot be cleaned when the wipers are used for cleaning the windshieldin the prior art is solved.

The invention discloses a finasteride tablet and a preparation method thereof. A prescription of the finasteride tablet comprises the following components by weight: 1kg of finasteride, 18.0 kg of lactose, 3.0 kg of low-substituted hydroxy propyl cellulose, 4.0 kg of pregelatinized starch, 2.0 kg of carboxymethyl starch sodium, 0.3 kg of magnesium stearate, 0.2 kg of hydroxypropyl methylcellulose and 1.7 kg of 95% ethanol, which are made into 200,000 tablets in total. The preparation method comprises the following steps: 1) weighing the raw materials; 2) preparing an adhesive: adding water into the 95% ethanol to prepare a 20% ethanol solution, and dissolving the hydroxypropyl methylcellulose in the 20% ethanol solution to obtain the adhesive; 3) preparing a soft material; 4) preparing wet granules; 5) performing drying; 6) performing granulation; 7) performing total mixing; 8) performing tableting; 9) performing coating; and 10) performing packing. The preparation method is simple, the hardness and the dissolution rate of the finasteride tablet can be increased by adding the low-substituted hydroxy propyl cellulose and the hydroxypropyl methylcellulose in the prescription, the subsequent coating operation is facilitated, the phenomenon of tablet breaking in the preparation process and the transportation process is effectively avoided, and the product quality is improved.