201 results about "Sodium bicarbonate powder" patented technology

The invention provides a natural washing product with strong oil and dirt removal capacity and a preparation method of the natural washing product with strong oil and dirt removal capacity. A safe washing product with strong dirt removal capacity is prepared from natural washing plant gleditsia powder, sapindus powder, tea seed powder, sodium bicarbonate powder with mild performance and strong dirt removal capacity and a ferment bio-enzyme with activity. The preparation method comprises the steps of carrying out drying treatment on dry gleditsia fruits, sapindus fruit peel or tea seed residues until the water content is up to 3-6%, then, carrying out superfine smashing, and sieving by using a 60-200-mesh screen to obtain the gleditsia powder, sapindus powder or tea seed powder; uniformly mixing the powders, the sodium bicarbonate powder and the environment-friendly ferment powder to obtain washing powder; and leaching effective components in the washing powder by using a stock solution of the environment-friendly ferment powder to further prepare a washing liquid. Due to the addition of the food-grade sodium bicarbonate powder and the ferment powder, the washing and dirt removing performances of the natural washing product are improved; due to the synergistic effect of the food-grade sodium bicarbonate powder, the ferment powder, gleditsia, the sapindus fruit peel and the tea seed residues, the washing effect is remarkably enhanced; and no preservatives and essences are added, so that the natural washing product has no hazards to human bodies. The environment and ecology are not polluted. The preparation method provided by the invention is simple in process and easy to operate; and the natural washing product is healthy and nontoxic as well as low-carbon and environmental friendly.

The invention relates to a steak processing method. The steak processing method comprises the following steps: (1) cooling for removing lactic acid; (2) segmenting and cleaning; (3) adding a tenderizer until the pH value of the meat is 6.7-7.3, and then adding a curing agent and tumbling for curing; (4) shaping and packaging; (5) quick-freezing; (6) encasing and warehousing, wherein tenderizer is prepared from the following raw materials in parts by weight: 8-12 parts of mashed pawpaw, 3-5 parts of mashed pineapple, 2-4 parts of glucose powder and 2-4 parts of sodium bicarbonate powder; the curing agent is prepared from the following raw materials in parts by weight: 13-17 parts of salt, 8-12 parts of aginomoto, 8-12 parts of soybean sauce, 4-6 parts of beef powder, 11-15 parts of black pepper powder, 1-3 parts of white pepper powder, 10 parts of egg white and 15 parts of vegetable juice; the vegetable juice is obtained by juicing celery, onion, radish, garlic and tomato by equal weights; the steak processed by use of the method is rich in nutrition, and more fresh and tender in taste, and has a health care effect.

A mini chicken skewer relates to the technical field of foods. The mini chicken skewer comprises, by weight, 90-110 parts of peeled frozen chicken breast meat, 1.5-2.5 parts of refined salt, 1-3 parts of first grade sugar, 1-2 parts of monosodium glutamate (99%), 0.2-0.8 of white pepper powder, 0.1-1 part of garlic powder, 0.1-0.5 parts of chive powder, 0.5-1.5 parts of medium level chili powder, 0.2-0.6 parts of sodium bicarbonate powder, 0.3-0.7 parts of composite phosphate, 0.02-0.09 parts of ethyl maltol, 0.05-0.1 parts of capsanthin, 40 -50 parts of ice water and 4-6 parts of corn starch. A making method of the mini chicken skewer has the advantages of simplicity and easily available raw materials; and the mini chicken skewer made in the invention has the advantages of appetizing outside and tender inside, tender meat, moderate salt, abundant nutrition, rich and mellow flavor, and is suitable for various populations to eat.

The invention provides a composition containing plant extracts. The composition comprises a component A and a component B, wherein the component A is composed of a liquid component and a powder component; the liquid component comprises asiatic pennywort herb extracts, soapberry extracts, wheat extracts, fructus rosae laevigatae extracts, fructus chebulae extracts and distilled water; the powder component comprises sodium bicarbonate powder and semen cuscutae extracts; the component B comprises radix stemonae extracts, cortex phellodendri extracts, radix sophorae flavescentis extracts, mulberryroot bark extracts, licorice root extracts, green tea extracts and mint extracts.

The invention discloses an efficient fireproof system for an office building office. The efficient fireproof system comprises a top plate, a carbon dioxide generation mechanism and a spraying mechanism, the top plate is sequentially provided with a reaction chamber, a transverse cavity and a mounting groove from top to bottom, and a containing groove communicating with the reaction chamber is formed in one side of the reaction chamber; the carbon dioxide generation mechanism comprises an aluminum sulfate solution arranged at the bottom in the reaction chamber, a push plate used for sliding left and right is arranged in the containing groove, the right side of the push plate is connected with the inner wall of one side of the containing groove through a memory metal wire, and sodium bicarbonate powder is placed in the containing groove and located in the left side space of the push plate; and the spraying mechanism comprises a magnetic piston and a piston block which are arranged in thetransverse cavity, the magnetic piston is fixedly connected with the piston block through two connecting rods, and the magnetic piston is located on the left side of the piston block. The fire prevention system does not need to be manually controlled, and can extinguish fire in time when a fire disaster occurs, so that the fire disaster is killed in a cradle, and casualties and capital loss caused by the fire disaster are avoided.

The invention provides a system and method for recycling arsenic from copper smelting smoke dust. The system comprises a waste heat boiler cooling system (1), an electric dust collector dust collection system (2), a SO3 removing system, a quick smoke dust cooling system and an arsenic recycling system (5) which are all sequentially connected in order. The SO3 removing system comprises a reactor, a set of lime powder or sodium bicarbonate powder spraying inlets are formed in the upper portion of the reactor, the lower end of a dust hopper of the bottom of the reactor is provided with a dust discharging port and a dust discharging port valve, and a reactor smoke dust outlet is formed in the side wall of the reactor. The quick smoke dust cooling system comprises a shock cooling tower, a set of water spraying holes are formed in the upper portion of the shock cooling tower, the bottom of the shock cooling tower is provided with a smoke dust discharging port and a smoke dust discharging port valve, an overflow port is formed above the smoke dust discharging port valve, and a shock cooling tower smoke dust outlet is formed in the lower portion of the side wall of the shock cooling tower. By the adoption of the system and the method, the content of arsenic in smoke dust can be reduced and following acid manufacturing production and wastewater drainage reduction are facilitated.

The present invention discloses one kind of BC powder extinguishing agent and its production process. The BC powder extinguishing agent consists of sodium bicarbonate 35-60 weight portions and calcium carbonate or barium sulfate 30-60 weight portions, as well as supplementary material. Its production process includes the following steps: crushing sodium bicarbonate into 360 mesh over fine powder, crushing calcium carbonate or barium sulfate into 60-360 powder, mixing sodium bicarbonate powder, calcium carbonate or barium sulfate powder and supplementary material in a stirrer, and reaction in a reactor. Compared with traditional BC powder extinguishing agent, the present invention has lowered sodium bicarbonate consumption and reduced material cost.

A chicken chop relates to the field of food technology, and is composed of the following compositions in parts by weight: 145-155 parts of refrigerated fresh chicken, 45-55 parts of refrigerated fresh chicken skin, 10-15 parts of soybean protein isolate, 25-35 parts of self-made ice water, 10-20 parts of corn starch, 5-7 parts of fresh egg liquid, 3-4 parts of refined salt, 1-2 parts of chili powder, 20-30 parts of minced onion, 2-4 parts of first-grade white sugar, 0.3-1 parts of scallion powder, 0.1-0.6 parts of sodium bicarbonate powder, 1-1.5 parts of a composite phosphate, 1-2 parts of monosodium glutamate with the purity of 99%, and 0.05-0.5 parts of ethyl maltol. The chicken chop is simple in preparation method and easily available in raw materials, can be directly simply conveniently cooked without adding any seasonings, and after being cooked, the chicken chop is attractive in surface color, fresh, tender, refreshing and tasty in chicken quality, uniform in taste, comfortable in mouthfeel, fragrant and mellow in flavor and long in aftertaste.

The invention discloses a novel ABC dry powder fire-extinguishing agent and its making method. The novel ABC dry powder fire-extinguishing agent comprises the following components by weight percentage: 25-50 of sodium bicarbonate, 40-65 of aluminum potassium disulfate dodecahydrate (alum), and the balance auxiliary materials. The making method includes: crushing sodium bicarbonate into superfine powder of over 360 meshes, and crushing aluminum potassium disulfate dodecahydrate (alum) into fine powder of over 140 meshes; putting the crushed sodium bicarbonate and aluminum potassium disulfate dodecahydrate (alum) as well as the auxiliary materials into a blender and blending them evenly, and then putting the mixture into a reaction tank to undergo a silicification reaction. In the invention, aluminum potassium disulfate dodecahydrate (alum) is taken as the main fire-extinguishing component for type A fires. The aluminum potassium disulfate dodecahydrate (alum) can well realize film forming cooling rapidly on a type A combustible substance firing surface like traditional ammonium dihydrogen phosphate so as to achieve cooling and sealing, thus preventing deep combustible solid from gasifying into combustible vapor. The sodium bicarbonate is selected to strengthen the extinguishing ability on type B and C fires.

The invention discloses a potato chip with a sesame flavor. The potato chip is prepared from the following raw materials in parts by weight: 100 parts of potato mud, 10 parts of coarse rice powder, 5 parts of glutinous rice powder, 2 parts of sesame paste, 2 parts of sesame oil, 1 part of chili powder, 2 parts of carrot lyophilized powder, 1 part of fresh mushroom lyophilized powder, 2 parts of ginger, 1.0 part of sodium bicarbonate powder, 2 parts of salt, 10 parts of white sugar, 0.5 part of gourmet powder, 3 parts of cabernet, 3 parts of xylitol and a proper amount of water. Compared with the known potato chip, the potato chip disclosed by the invention has the advantages that the preparation process is unique; the selection of the raw materials is scientific; the potato chip is not fried, so that heat is reduced; furthermore, coarse rice, sesame oil, carrot lyophilized powder and fresh mushroom lyophilized powder contain rich vitamins, so that the immunity function of a human body can be improved; the potato chip is beneficial to the health, and the ginger and the chili powder can invigorate the stomach; and the formula meets the demand of a human body, so that people can enjoy the food, and the body health is maintained.

The invention discloses a tooth powder preparation method. The tooth powder preparation method comprises following steps: Chinese herbal medicines and plants are grinded into fine powder; ingredients such as table salt, sodium bicarbonate powder, strawberry powder, and rock sugar are added at a certain ratio, and are mixed; and an obtained mixture is packaged with bags or bottles, and is sealed. An obtained tooth powder possesses fruit fragrance, is capable of cleaning oral cavity dirt quickly, killing parasite and bacteria, strengthening teeth, deodoranting, whitening teeth, removing stains, and satisfying requirements of people on white and health teeth, and is a new generation tooth whitening product with rapidly achieved effect.

The invention relates to a diamond grinding disc using a metal adhesive, in particular to a producing technology of a high-precision diamond grinding disc using the metal adhesive. The producing technology comprises the following steps: preparing a titanium dioxide sol and an aluminum oxide sol; washing diamond particles; soaking the washed diamond particles in the titanium dioxide sol and the aluminum oxide sol, fishing out the diamond particles after standing, and after heating and drying, cooling; then, placing the diamond particles in a muffle furnace and carrying heat treatment; mixing and ball-milling a diamond abrasive material, nickel-chromium alloy powder, silicon carbide powder and sodium bicarbonate powder; and then, sieving the materials mixed and ball-milled, re-drying, sintering and unmolding so as to obtain the diamond grinding disc using the metal adhesive. Through soaking the diamond particles in the sols, the surfaces of the diamond particles are coated with a titanium dioxide and aluminum oxide composite film, and the performance of diamond is greatly improved. The producing technology uses the nickel-chromium alloy as the adhesive, the silicon carbide as a filler and the sodium bicarbonate as an auxiliary material, the quality of the produced diamond grinding disc is higher than that of a diamond grinding disc produced by a similar technology, and industrial production is facilitated.

The invention discloses a method for processing a large yellow croaker with grapefruit and tea fragrant, relating to the technical field of processing of aquatic products. The processing method provided by the invention mainly comprises the four main steps of: (1) pretreatment of raw materials; (2) seasoning treatment; (3) vacuum package and (4) low-temperature storage, and particularly comprises the following steps of: processing the pretreated large yellow croaker by using seasonings and seasoning liquid rich in the grapefruit and tea fragrant; secondly, carrying out vacuum sealing and packaging on a fish body; and finally, storing a product at a low temperature. With the adoption of the technical scheme, the fishy smell and the dope on the surface of the large yellow croaker can be removed by using an alkaline effect of sodium bicarbonate powder; by using the seasoning liquid, not only can the fishy smell of the fish body be further removed, but also the large yellow croaker is prompted to contain grapefruit fragrant and tea fragrant; the edible taste can be improved; and furthermore, the double effects of grapefruit and black tea can be combined. Therefore, the large yellow croaker with the grapefruit and tea fragrant has the advantages of promoting appetite, reducing blood press, regulating vital energy and moistening a lung, and replenishing blood and tonifying a spleen.

Sodium hydrogen carbonate powder and / or an aqueous dispersion or solution of sodium hydrogen carbonate is sprayed to weeds by gravity Drop or low-pressure spraying, or blasted to weeds together with compressed air at an ejection pressure (gauge pressure) of 1-10 kgf / cm2, using a high-pressure dry-blasting apparatus.

The invention provides an adhesive composition capable of being stripped via water in a state of comprising adhesive performance. The solution is that the adhesive composition is formed in a mode of comprising resin used for nonaqueous solvent-free adhesion and sodium bicarbonate powder, preferably, the adhesive composition is formed in a mode of comprising resin used for nonaqueous solvent-free adhesion and sodium bicarbonate powder, and cellulose derivative powder. The resin used for nonaqueous solvent-free adhesion is preferably a thermosetting epoxy resin.

The invention relates to preparation or processing of meat products, and particularly relates to a spiced pork preparing method. The spiced pork preparing method comprises the following steps: (1) cleaning and segmenting; (2) rolling and salting, namely adding a tenderizer till the pH value of pork is 6.9-7.2, rolling the pork in a rolling machine at the speed of 30-35 rpm for 30 minutes, adding a curing agent with the weight accounting for 6%-8% of that of the pork, rolling for 30 minutes, and standing for 30-60 minutes, wherein the tenderizer comprises the following components in parts by weight: 8-12 parts of pawpaw pulp, 3-5 parts of pineapple pulp, 2-4 parts of glucose powder and 2-4 parts of sodium bicarbonate powder, and the curing agent comprises the following components in parts by weight: 9-11 parts of edible salt, 4-6 parts of monosodium glutamate, 6-8 parts of soybean sauce, 6-8 parts of five spice powder, 3-5 parts of ginger powder and 6-8 parts of egg white; (3) drying; (4) packaging in vacuum; and (5) quickly freezing and refrigerating. The spiced pork prepared by the method tastes tender and juicy, has a unique flavor, is rich in nutrients and easy to digest and absorb, and has multiple health effects.

The invention discloses a preparation method of a high-definition endoscope mucus-removal defoaming composite preparation, which comprises the following steps: simultaneously pouring chymotrypsin, sodium bicarbonate powder and dimethyl silicon oil powder into a graduated cuvette, adding warm boiled water, and completely dissolving by stirring. The invention solves the problem that defoaming and mucus protein removal can not be completed at the same time in gastrointestinal tract detection process of the existing high-resolution endoscope, increases the detection rate of minimal diseases, and enhances the inspection visual field definition and inspection efficiency of the endoscope. The clinical practice proves that the high-definition endoscope mucus-removal defoaming composite preparation can satisfy the requirements, can effectively avoid missed diagnosis, facilitates the early treatment of patients, reduces the subsequent treatment cost for the patients, and has favorable economic benefit.

The invention relates to an enzymatic calcium humate organic fertilizer and a preparation method thereof. The preparation method comprises the following steps: dissolving 3% quick lime in water and then adding 2% sodium bicarbonate powder, reacting for 0.5 hours and then preparing sodium carbonate; crushing 70% water hyacinth and straw by a rotary-cutter crushing machine, placing the water hyacinth and straw in a fermentation kettle, pouring yeasts in groups, fermenting at a temperature of 45-55 DEG C for 24 hours, and stirring every 0.5 hours; conveying the fermented products into a secondary fermentation kettle, adding water and 20% calcium carbonate with a ratio of 1:1, hydrolysing and fermenting at a temperature of 55-65 DEG C for 48 hours, and stirring every 2 hours, thereby obtaining a yellow liquid, namely the enzymatic calcium humate organic fertilizer, wherein the enzymatic calcium humate organic fertilizer comprises 50% of organic matters, 28% of calcium humate, 4% of nitrogen, 1.8% of phosphorus, 2.2% of potassium and 2.2% of other trace elements, as well as has the functions of enhancing the effects thereof, improving soil, simulating crop growth, improving agricultural product quality, and the like.

The invention discloses a blasting type building fireproof composite board, which includes a body, and is characterized in that: a housing cavity is arranged in the body, an exhaust port is opened on the top of the housing cavity, and the exhaust port is covered with a metal cover sheet; the housing The bottom of the cavity is provided with an expansion bag wrapped with latex film, and the expansion bag is filled with sodium bicarbonate powder; between the expansion bag and the cover plate is filled with an ABC fire extinguishing dry powder layer. In the present invention, an expansion bag filled with sodium bicarbonate powder is specially installed in the body. If the temperature is too high, sodium bicarbonate will decompose carbon dioxide gas to make the expansion bag swell, and the ABC fire extinguishing dry powder in the storage chamber will burst out of the storage chamber to actively extinguish the fire. After the expansion bag explodes, the carbon dioxide in it will further block the combustion.

The invention discloses a flue gas desulfurization process for a miniature industrial gas-fired boiler, belonging to the technical field of flue gas desulfurization. According to key points of a technical scheme in the invention, the flue gas desulfurization process adopts a flue gas desulfurization system to desulfurize flue gas and comprises the following steps: inputting high-temperature flue gas led out after denitration through a flue gas input pipe, and spraying ultrafine sodium bicarbonate powder into the flue gas; mixing the sprayed dry powder with high-temperature flue gas to form mixed flue gas, decomposing the ultrafine sodium bicarbonate powder at high temperature, and absorbing and purifying sulfur dioxide and other acidic media in the flue gas; allowing the mixed flue gas to enter a mixing reactor for mixing, and enabling sulfur dioxide and other acid media in the flue gas to further make full contact for a chemical reaction so as to be absorbed and purified; and allowing the absorbed and purified flue gas to enter a dust removal system, and filtering and eliminating powdery particles in the mixed flue gas. The flue gas desulfurization process of the invention overcomes the problems that a miniature industrial gas furnace desulfurization process has difficulty in treatment, a traditional process system is complex, investment cost is high, desulfurization byproducts are difficult to treat and the like.

The invention discloses a natural antibacterial adsorption ultrafine powder and its preparation method. The powder is prepared from eggshell powder, shell powder, sodium bicarbonate powder and lipase powder. The preparation method mainly comprises the following steps: preprocessing of shell and eggshell, preparation of ultrafine shell powder and eggshell powder and mixing of shell powder, eggshell powder, sodium bicarbonate powder and lipase powder. Particle size of the antibacterial powder prepared by the method is below 1.5 microns, and distribution frequency is more than 25%. The natural antibacterial adsorption ultrafine powder has a good antibacterial effect. By the method for preparing an antibacterial agent, raw materials are easily available, costs are low, and the environment is protected and there is no pollution.

The invention relates to a bronze-base diamond grinding wheel, in particular to a preparing technology for the bronze-base diamond grinding wheel. The preparing technology comprises the steps that titanium dioxide sol is prepared; diamond particles are cleaned; the cleaned diamond particles are immersed in the titanium dioxide sol and fished out after standing, and the cleaned diamond particles are cooled after being heated and dried; then the diamond particles are placed in a muffle furnace to be subjected to heat treatment; a diamond abrasive material, bronze powder, silicon carbide powder and sodium bicarbonate powder are mixed and subjected to ball milling; and the mixed materials subjected to ball milling are screened, dried and sintered, die disassembly is conducted after cooling, and the bronze-base diamond grinding wheel is obtained. According to the preparing technology, the diamond is immersed in the titanium dioxide sol, and therefore the surfaces of the diamond particles are coated with titanium dioxide films, and the performance of the diamond is greatly improved. The bronze is adopted as a bonding agent, silicon carbide is filler, sodium bicarbonate parties are used for assistance, the quality of the prepared diamond grinding wheel is better compared with a diamond grinding wheel prepared through the similar technology, and industrial production is facilitated.

The invention relates to a dibromo hydantoinfast dissolving tablet which is prepared in the following steps: mixing dibromo hydantoin with sodium carbonate, sodium sulfite, 5, 5-dimethyl hydantoin and sodium bicarbonate powders, adding sodium carboxymethyl starch (CMS) and tartaric acid, continuously mixing and stirring, and pressing the mixture into tablets through a performing machine . The dibromo hydantoinfast dissolving tablet does not stick a mould, is complete, has no residue when the components of the tablet are completely dissolved, and has no strong irritant gas volatilized in production. The invention solves the problem that the dibromo hydantoin is slightly soluble in water, can also control the dibromo hydantoin to be stably dissolved in the water in a quantitative mode at the same time, and is suitable for wastewater treatment of industrial circulating water, agriculture greenhouses, aquaculture, medical health, public health wastewater, reclaimed water utilization, and the like.

The invention discloses a comprehensive absorption and deacidification system for dangerous and medical waste incineration flue gas. The system comprises a quenching tower, a sodium hydrogen carbonate powder spraying tower, an activated carbon powder spraying tower, a flue reactor, a cloth bag dust collector, an acid pickling tower, a base washing tower, a flue gas bypass, a heat exchanger, a quenching water tower, an alkali liquor preparation tower and a fly ash storage and transportation tower. The adaptive temperature range of the system is wide, the system can adapt to high-temperature flue gas with the temperature of 200-900 DEG C, and the process requirement on incineration equipment is not severe; the deacidification efficiency is high, the discharging index can be stably guaranteed and is superior to the GB18484-2001 standard; no sewage treatment equipment is needed in the production process, and zero sewage discharging is realized.

The invention relates to a diamond grinding wheel, and particularly discloses a preparation method of a superhard diamond grinding wheel. The preparation method comprises preparing titanium dioxide colloidal sol; cleaning diamond particles, heating, drying and cooling; placing the diamond particles in a muffle furnace for heat treatment; mixing and ball milling the diamond grinding material, silicon oxide powder, aluminum oxide powder, boron oxide powder, potassium oxide powder, lithium oxide powder and sodium bicarbonate powder; screening the mixed and ball mixed material, placing the material into a mold, carrying out cold press molding, and drying; placing the dried material into the furnace to be sintered, and after cooling, releasing the mold to obtain the diamond grinding wheel piece. The preparation method, disclosed by the invention, is to soak the diamond into the titanium dioxide colloidal sol, so as to coat the diamond particle surface with the titanium dioxide film, and greatly improve the property of diamond; meanwhile, as the silicon oxide powder, the aluminum oxide powder, the boron oxide powder, the potassium oxide powder, and the lithium oxide powder are mixed as a bonding agent, and the sodium bicarbonate is added, the prepared diamond grinding wheel piece is better in quality when compared with that prepared by the similar technology; the preparation method is beneficial to industrialized production.

The invention discloses a fireproof building composite board, which comprises a body, and a housing cavity is arranged in the body, and an exhaust port is opened on the top of the housing cavity, and the exhaust port is covered with a metal cover sheet; the housing cavity is filled with mass ratio It is 1:1 sodium bicarbonate powder and citric acid powder; a PVC film cavity is also placed between the sodium bicarbonate powder and the cover sheet, and the PVC film cavity is filled with water; the PVC film cavity is closely attached to the cover sheet; There are air holes arranged in an array. Once the temperature of the metal cover plate is too high and the PVC film cavity is broken, sodium bicarbonate will react with water and citric acid to decompose the carbon dioxide gas and flood the indoor environment, and actively extinguish the fire by reducing the oxygen content.

The invention relates to the field of silicon rubber and particularly relates to a low-density small-pore-diameter silicon-rubber composite material and a preparation method thereof. The silicon-rubber composite material comprises the following materials in parts by weight: 100 parts of vinyl polysiloxane, 0.01-1 part of a reaction inhibitor, 0.01-1 part of a cross-linking catalyst, 2-10 parts of hydrogen-containing silicon oil, 5-30 parts of thermal-expansion microspheres and 5-30 parts of superfine sodium bicarbonate powder. According to the low-density small-pore-diameter silicon-rubber composite material and the preparation method, the preparation process is simple, the hollow thermal-expansion microspheres and the superfine sodium bicarbonate powder are blended with all the components of silicon rubber according to a premixing ratio so as to be uniformly dispersed in silica-gel colloid, the mixture is cured to obtain composite silica-gel premix, and then the premixed composite colloid is put in a reasonable temperature for heat treatment so as to obtain the low-density microporous silicon-rubber composite material.

The invention relates to bronze-based diamond grinding wheels, in particular to a processing method of a bronze-based diamond grinding wheel. The processing method of the bronze-based diamond grinding wheel comprises the steps that diamond abrasives, bronze powder, silicon carbide powder and silicon carbide powder are mixed and subjected to ball milling; then the mixed and ball-milled materials are screened, and a mixture is obtained; the mixture is placed in a mold to be dried; and afterwards, the mold is placed in a furnace to be sintered, demolding is conducted after cooling, and the bronze-based diamond grinding wheel is obtained. According to the processing method of the bronze-based diamond grinding wheel, the bronze is used as a bond, the silicon carbide is used as filler, the silicon carbide plays an assisting role, and the bronze-based diamond grinding wheel is prepared under a vacuum condition. The process flow is short, equipment cost is low, the prepared diamond grinding wheel has better quality compared with diamond grinding wheels prepared through a similar process, and industrial production is facilitated.

The invention discloses a preparation method of a radix tetrastigme wall breaking orally-taken decoction piece, and belongs to the technical field of traditional Chinese medicine. The preparation method of the radix tetrastigme wall breaking orally-taken decoction piece comprises the following steps that (1) crushing and sieving are performed; dry raw materials are crushed; after the crushing, thecrushed raw materials pass through a screen net being 80 to 120 meshes; raw material coarse powder is obtained; (2) sodium bicarbonate powder is added into the raw material coarse powder; distilled water is added; reaction is performed for 0.5 to 1h at the temperature of 60 to 70 DEG C; (3) cellulase and alpha-amylase are added into slurry in the step 2; fermentation is performed at 20 to 25 DEGC; (4) fermentation liquid is subjected to ultrasonic wall breaking for 20 to 40min; concentration is performed to reach 1 / 2 to 1 / 4 of the original volume; auxiliary materials are added to be uniformly stirred; microwave sterilization is performed; (5) after the sterilization, the obtained materials are pelleted. The sodium bicarbonate powder, the cellulase and the alpha-amylase are used as a reinforcing system, so that the wall breaking rate of the radix tetrastigme wall breaking orally-taken decoction piece is improved.

The invention relates to formulas of traditional Chinese medicine external washing powder and effervescent tablet for treating neurasthenia, and preparation methods thereof. The formula of the external washing powder comprises the following components: 3750g of Japanese stephania root, 6250g of tuber fleeceflower stem, 3750g of honey-fried polygala root, 3125g of valerian and 3125g of acanthopanax. The preparation method of the external washing powder comprises the following steps of: weighing the traditional Chinese medicines in the formula by weight, respectively pulverizing into 200 meshes, stirring uniformly, and packing as per 20g / bag to obtain 1000 bags. The formula of the effervescent tablet comprises the following medicinal raw materials: 690g of Japanese stephania root, 1110g of tuber fleeceflower stem, 690g of honey-fried polygala root, 520g of valerian and 520g of acanthopanax, and also the following auxiliary materials: 650g of citric acid, 780g of sodium bicarbonate, 1105g of starch, 260g of sodium carboxymethyl starch, 195g of hydroxypropyl cellulose and 195g of polyethylene glycol 6000. The preparation method of the effervescent tablet comprises the following steps of: (1) preparing extract powder; (2) dividing the extract powder into two parts, adding 650g of citric acid powder to one part, mixing uniformly, granulating, drying and finishing; and adding 780g of sodium bicarbonate powder to the other part, mixing uniformly, granulating, drying and finishing; and (3) adding 195g of hydroxypropyl cellulose and 195g of polyethylene glycol 6000 to the granules, mixing evenly, and tabletting to obtain 1000 tablets.