107results about How to "Preparation science" patented technology

The invention discloses an electrostatic spinning preparation method of POSS (Polyhedral Oligomeric Silsesquioxane)-containing polymer composite fiber. The electrostatic spinning preparation method comprises the following steps of: firstly mixing a macromolecular polymer and a polymer solvent according to mass ratio of (2-15):(85-98), and stirring a mixture at 20-60 DEG C for at least 2h to obtain a mixed solution with concentration of 2-15%; mixing soluble POSS and the obtained mixed solution according to the mass ratio of the POSS to the macromolecular polymer being (1-20):(80-99), stirring the mixture at 20-60 DEG C to fully dissolve the POSS to obtain the spinning solution; and arranging the spinning solution on an electrostatic spinning device and spinning to obtain the POSS-containing polymer composite fiber. The prepared POSS-containing polymer composite fiber has high specific surface area and remarkably improved heat resistance, can be widely applied to the fields of preparation of high-efficiency filter materials, antibacterial medical materials, carbon materials and the like.

The invention relates to a gas atomization toxicant exposure box which is characterized by comprising a transparent box body, wherein the inner space of the box body is divided into a plurality of compartments by a spacing plate; a gas dispersion plate is arranged above the compartments, and breather holes are overspread on the gas dispersion plate; a box cover is arranged at the top of the box body; a gas inlet and a gas outlet are respectively arranged in the center position and the corner position of the box cover; the gas inlet is connected with an ultrasonic atomizer arranged outside the box body; a carbon dioxide sensor and an oxygen sensor are arranged in the box cover; the output ends of the carbon dioxide sensor and the oxygen sensor are connected with a signal amplification system; the output end of the signal amplification system is connected with a signal collector; the output end of the signal collector is connected with a computer; and a gas concentration monitoring module is prearranged in the computer. The invention has artful structural design and low cost, the prepared related animal models are scientific and reasonable and closer to the changes in human diseases, and the invention can be widely used in the preparation processes of various animal models.

The invention discloses a sample preparation and treatment method for researching the metaproteomics of soil. The method comprises the following steps: pretreating a soil sample to obtain a first suspension; carrying out concussion crushing to obtain a crushed first suspension; carrying out ultrasonic treatment, centrifuging the treated suspension, and collecting the obtained first supernatant; precipitating the first supernatant with cold acetone to obtain a protein solution; precisely weighing the protein solution containing proteins, adding a single protease or a protease combination, and incubating the proteins overnight to obtain a polypeptide solution; adding a separating agent 1, carrying out vortex treatment, adding a separating agent 2, carrying out vortex treatment, centrifuging the obtained solution, standing the centrifuged solution, and transferring about 90% of the obtained lower layer phase of a polypeptide-containing segment into a new centrifuging tube; adding a separating agent 3, carrying out vortex treatment to realize uniform mixing, centrifuging the treated solution, and taking the obtained lower layer; mixing the above obtained two peptide segment solution, desalting the obtained solution mixture, and collecting the obtained eluate; and centrifuging, concentrating and drying the eluate, afresh dissolving the obtained peptide segment sample, and directly injecting the dissolved sample to a machine for analysis. The method has the advantages of simplicity in operation, high stability, high recovery rate, completeness in extraction, and high flux, and is of great significance to massively develop the relevant researches of the metaproteomics of soil.

The invention relates to a Chinese medicament for treating gastrosis and a preparation method thereof. The Chinese medicament comprises the following medicaments in part by weight: 45 parts of rhizoma atractylodis macrocephalae, 45 parts of bletilla, 20 parts of astragals, 10 parts of hawthorn fruit, 10 parts of radish seed, 15 parts of chicken's gizzard-membrane, 15 parts of medicated leaven, 10 parts of malt, 20 parts of Indian buead, 30 parts of Mongolian dandelion herb, 20 parts of sea-buckthorn and 30 parts of propolis. The Chinese medicament of the invention has the main effect of protecting the gastric mucosa and restoring all functions of the gastric mucosa as soon as possible, and also has the effects of killing pathogenic bacteria, regulating the spleen and stomach, enhancing the anti-disease immune capability and the like; in addition, the Chinese medicament also has the advantages of high long-term taking safety, no toxic or side effect, high-quality materials, rational combination, scientific preparation, obvious curative effect, safety and reliability, stable quality and quick taking, and meets the modern requirements of Chinese medicinal preparations.

The invention discloses an indoor high-tent three-dimensional cultivation technology for mushrooms. According to the natural ecological law of mushroom growth, the process flow of the high-tent cultivation technology is designed, and the indoor high-tent three-dimensional cultivation technology for mushrooms has the advantages of large yield and good quality.

The invention discloses a sample preparation treatment method for excrement and soil metabonomics study. The sample preparation treatment method comprises the following steps: pretreating a sample to obtain first suspension; adding a steel ball and shaking, breaking and extracting to obtain the broken first suspension; performing ultrasonic treatment; centrifuging; collecting first supernate and precipitate; concentrating the first supernate until the first supernate is nearly dry; adding water-soluble re-dissolution liquid and a steel ball, and shaking for re-dissolution; centrifuging at a high speed, wherein obtained second supernate is a water-soluble metabolism extract which can be analyzed directly on a machine; adding a fat-soluble metabolite extracting solution into the collected precipitate, and mixing uniformly to obtain second suspension; shaking, breaking and extracting; performing ultrasonic treatment; centrifuging; collecting a lower-layer solution; blowing to dry the obtained lower-layer solution through a nitrogen blowing way; adding fat-soluble re-dissolution liquid and a steel ball, and shaking for re-dissolution; centrifuging at a high speed, wherein an obtained product is a fat-soluble metabolism extract which can be analyzed directly on the machine. The method disclosed by the invention has the advantages of simple operation, strong stability, comprehensiveness and high recovery rate, and is of great significance to extensive related studies of excrement and soil metabonomics.

The invention discloses a low temperature antique glaze with cleaner air effect and preparing method thereof, the preparing method comprises the steps of: A, preparing low temperature frit; B, preparing glaze, mixing low temperature frit, colorant, potassium feldspar, quartz, calcite, talc, calcium phosphate, anion compounds and antibacterial composite to obtain the mixing powder, putting sodium tripolyphosphate and carboxymethyl cellulose into powder and mixing the powder evenly, fine grinding, and then adding water so as to obtain the glaze; C, applying the glaze evenly on the body, and then putting the body into the reducing atmosphere furnace, cooling the natural glaze to room temperature after heat preservation, and the low temperature antique glaze with cleaner air effect is obtained. Compared with the prior antique glaze, the antique glaze produced by the invention has the advantages of scientific ingredients,reasonable preparing method, pure color and stable performance; at the same time with a reasonable combination of negative ions and antibacterial composite materials, the synergistic action of the two making the antique glaze has characteristics of excellent anti-bacterial, anti-fouling and air purification, the scope of the application of the antique glaze is further broaden.

The invention discloses two-stage broiler compound feed and a preparing method thereof. The compound feed comprises 0-21-day-old feed and 22-45-day-old feed. The two-stage broiler compound feed and the preparing method thereof have the advantages that matching is scientific, preparation is easy, feed cost is reduced, the nutritional requirement for broiler growth and development can be met, the utilization rate of feed is increased, and broiler growth is promoted; by the adoption of traditional Chinese medicine additives, the spleen and stomach can be strengthened, the appetite and digestion can be promoted, normal nutrient intake of broilers can be guaranteed on the premise that feed cost is reduced, and high broiler production performance is realized.

The invention provides an intelligent method for moisture retention spraying curing of concrete through the coupling of temperature, humidity and wind speed to scientifically realize moisture retention curing of concrete. The intelligent method is characterized by comprising the following steps: 1, arranging a protective layer on the surface of concrete, and selecting and arranging a spraying device; 2, arranging an environment data real-time acquisition system to acquire air temperature, air humidity and wind speed in real time; 3, carrying out intelligent spraying curing: 3-1, determining aspraying time Tk; 3-2, calculating a spraying stop time Tb, receiving the air temperature, the air humidity and the wind speed acquired in the step 2 by a computer, and calculating the spraying stop time Tb based on the air temperature, the air humidity and the wind speed, wherein the minimum value of calculation results in a formula 1 and a formula 2 is selected as the spraying stop time Tb; 3-3,carrying out cyclic curing: adopting computer to control the spraying device to spray according to the spraying time Tk, and control the spraying device to stop spraying according to the spraying stop time Tb, wherein the cyclic curing is carried out continuously until a curing age is reached.

The invention provides a preparation method of acrylate emulsion for waterborne printing ink. The preparation method comprises the following steps: (a) selecting materials for later use; (b) preparing pre-emulsion; (c) preparing the acrylate emulsion. The preparation method disclosed by the invention is reasonable in process arrangement, scientific and efficient in process and moderate in cost; the prepared acrylate emulsion has excellent performances such as good stability, moderate viscosity, low water absorption rate, high adhesion power and the like, and can effectively improve the performances of the printing ink, such as adhesion property, water resistance, after-tack resistance and the like.

The invention discloses a skin protection substrate for repairing skin barrier and reducing acnes, preparation of the skin protection substrate and cosmetics containing the skin protection substrate.The skin protection substrate is rich in various functional components, several functional extracts are compounded, the various components are blended and have a synergistic effect,, and the skin protection substrate can further effectively reduce acnes while repairing the skin barrier. The skin protection substrate is applied to the corresponding cosmetics, and the skin protection effects of skinprotection products in the aspects of repairing and acne reduction can be improved. Moreover, the preparation method is reasonable in arrangement of processes, a preparation process is scientific andeffective, the cost is moderate, the prepared skin protection composition has effects of repairing skin barrier and reducing the acnes, formation of structural lipid in the cuticle of the skin of human bodies can be promoted, and the acnes can also be inhibited effectively.

The invention belongs to the technical field of food. In order to overcome the problems that the existing shrimp dumpling is low in delicate flavor, the shrimp juice cannot be fully utilized and raw materials are wasted. The invention provides a steamed shrimp dumpling in soup and a method for producing the same. The invention adopts the technical scheme that: the steamed shrimp dumpling in soup comprises a dumpling wrapper and filling which is wrapped by the dumpling wrapper, and is characterized in that: the filling consists of shrimp meat, shrimp juice jelly, pork, vegetables and seasonings; the weight ratios of all the components are 15-25% of the shrimp meat, 15-25% of the shrimp juice jelly, 20-30% of the pork, 25-35% of the vegetables and 2-6% of the seasonings. The method for producing the steamed shrimp dumpling in soup comprises the steps of production of the shrimp juice jelly and the shrimp meat, vegetable preparation, filling preparation and dumpling making. The filling of the steamed shrimp dumpling in soup is scientifically made, contains fully maintained nutritional ingredients, and can be used as the fillings of not only instant dumplings but also instant frozen dumpling products.

The invention discloses waterborne photochromic UV photocuring ceramic ink-jet ink and a preparation method thereof. The preparation method comprises steps as follows: step A, 20%-30% of waterborne acrylate, 1%-20% of a solvent and 0.5%-3% of an ink aid are sufficiently mixed, 20%-38% of ceramic pigment is added during stirring and dispersed, and 10%-20% of waterborne epoxy acrylate and 3%-8% of a photochromic compound are added and mixed uniformly; 0-5% of an antibacterial compound is added and mixed uniformly, and a mixed material is obtained; step B, the mixed material is ground and dispersed until the fineness is lower than 1 mu m; step C, 0.5%-4% of a waterborne photoinitiator is added and dispersed uniformly, and a finished product is obtained. Compared with existing photocuring ceramic ink-jet ink, the prepared ink adopts scientific ingredients, is reasonable to prepare, stable in performance, non-toxic and non-irritant and has a lasting antibacterial characteristic, pollution-preventing and self-cleaning functions and a photochromic characteristic through the synergistic effect of the photochromic compound and the antibacterial compound, and the application range of the photocuring ceramic ink-jet ink is further widened.

The invention discloses environmentally-friendly antibacterial flower nutrition soil and a preparation method thereof. The flower nutrition soil is prepared from, by weight, 25-35 parts of rotten vegetable soil, 20-25 parts of straw yeast, 11-18 parts of fumed silica, 6-11 parts of bentonite, 10-15 parts of bone meal, 8-15 parts of decayed farm manure, 11-22 parts of ternary compound fertilizer, 6-12 parts of sodium polyacrylate, 8-11 parts of potassium dihydrogen phosphate, 1-3 parts of potassium nitrate, 3-5 parts of perlite, 4-9 parts of humic acid and 10-20 parts of attapulgite. Accordingly, the rotten vegetable soil, the straw yeast, the fumed silica, the bone powder, the bentonite and the decayed farm manure are adopted as main raw materials, a water-retaining agent, a fungicide, pine bark and decayed poultry manure are added, and the flower nutrition soil is obtained; the flower nutrition soil is scientific in compound, convenient to prepare and wide in application scope; flowers cultivated with the flower nutrition soil are excellent in growth vigor and obviously better than flowers cultivated with ordinary soil, and the flowers have no nutritional deficiency or pest and disease damage.

The invention provides external wall waterproof putty paste, which is mainly prepared from the following raw materials in parts by mass: 12 to 16 parts of polyvinyl acetate, 13 to 18 parts of soluble starch, 10 to 15 parts of polyacrylate sodium, 96 to 104 parts of ground limestone, 17 to 23 parts of sodium carboxymethylcellulose, 34 to 42 parts of talcum powder, 9 to 14 parts of polypropylene fiber, 18 to 22 parts of attapulgite, 30 to 50 parts of deionized water, 1 to 2 parts of preservative and 0.5 to 1.5 parts of dispersing agents. The obtained product has the advantages that the construction is convenient; the water resistance performance is good; cracking prevention and powder falling prevention are realized; the bonding strength is high; the comprehensive performance is excellent.

The invention discloses a photochromic low temperature antique glaze and a preparing method thereof. The preparing method comprises the steps of: A, preparing low temperature frit; B, preparing glaze, mixing low temperature frit, colorant, potassium feldspar, quartz, calcite, talc, calcium phosphate, photochromic compounds and antibacterial composite to obtain the mixing powder, putting sodium tripolyphosphate and carboxymethyl cellulose into powder and mixing the powder evenly, fine grinding, and then adding water so as to obtain the glaze; C, applying the glaze evenly on the body, and then putting the body into the reducing atmosphere furnace, cooling the natural glaze to room temperature after heat preservation, and the photochromic low temperature antique glaze is obtained. Compared with the prior antique glaze, the method has the advantages that the ingredients are scientific, the preparing method is reasonable.

The invention discloses low-temperature archaized glaze and a preparation method thereof. The preparation method comprises the following steps: Step A, preparing a low-temperature frit; Step B, preparing glaze slip: mixing the low-temperature frit, a colouring agent, potash feldspar, quartz, calcite, talcum, calcium phosphate, a deodorant, a negative ion compound and an antibacterial compound to obtain mixed powder, adding sodium tripolyphosphate and carboxymethyl cellulose into the mixed powder and uniformly mixing, grinding, and adding water to obtain the glaze slip; and Step C, uniformly applying the glaze slip onto a green body, putting the green body into a reducing atmosphere furnace, carrying out thermal insulation and naturally cooling to room temperature so as to obtain the low-temperature archaized glaze. In comparison with existing archaized glaze, the manufactured archaized glaze in the invention has advantages of scientific batching, reasonable preparation, pure color and stable performance. Through reasonable cooperation of the deodorant, the negative ion compound and the antibacterial composite material, the archaized glaze has excellent antibacterial antifouling and air purification characteristics. According to the invention, the application range of the archaized glaze is further widened.

The invention discloses a mustard growth organic fertilizer which consists of the following components in parts by mass: 20-50 parts of excrement of livestock, 30-50 parts of sesame paste residues, 10-30 parts of melon rind shells, 5-10 parts of a cerium oxide solution, 2-8 parts of licorice, 2-5 parts of notoginseng, 20-40 parts of 30% acetic acid and 30-60 parts of water. The mustard growth organic fertilizer disclosed by the invention is reasonable in process and scientific in preparation, is rich in various trace elements including nitrogen, phosphorus, potassium and the like required by the growth of mustards, and is matched with the licorice and the notogiseng to enhance the immunity of the mustards and prevent the happening of physiological diseases, so that the organic fertilizer is beneficial for the growth of the mustards; cerium oxide can promote the mustards to fully absorb the trace elements in equilibrium, promote the growth and the root system development of the mustards, and accelerate the mature time; 30% acetic acid is added to promote the mustards to perform photosynthetic reaction and to have bright color, can eliminate the fish stench caused by fermentation of the fertilizer, and can disinfect and sterilize soil.

The invention discloses a production process and equipment for factory planting of portabella, and a process flow of a planting technology of the portabella is designed according to natural ecological laws of the growth of the portabella, thereby enabling the portabella to realize continuous input of strains in a factory workshop, enabling simulation of an ecological environment and the aspect of matching monitoring parameters to achieve the optimal growth state, maximizing the yield and optimizing the quality.

The invention relates to a novel drug-loaded microsphere and a preparation method thereof. The preparation method comprises the following steps: pre-mixing a polyvinyl alcohol aqueous solution with hydroxyapatite particles, adding concentrated hydrochloric acid as a catalyst, adding a cross-linking agent glutaraldehyde to obtain a reaction solution, carrying out a pre-reaction for 3-30 seconds, dropwise adding a pre-reaction solution into a mixed oil phase containing liquid paraffin and sorbitan fatty acid ester before the pre-reaction solution is coagulated, stirring and reacting in an oil bath at 50-60 DEG C for at least 3 hours, and then filtering, washing and drying the reacted mixture to obtain the drug-loaded microspheres. The method provided by the invention is beneficial to batch production, the drug-loaded microspheres prepared by the method have high drug loading capacity and encapsulation efficiency and good slow release effect, and the hydroxyapatite particles are embeddedinto the polyvinyl alcohol after polymerization reaction, so that the drug-loaded microspheres have a certain developing function.

The invention discloses a photochromic ceramic ink capable of being sunken and used for ceramic ink jet and a preparing method thereof. The preparing method comprises the steps of A, preparing a subsidence glaze; B, measuring the subsidence glaze, a dispersing agent, a surface additive, an antifoaming agent, a binding agent and the balance solvent according to a ratio, and grinding the mixture to obtain an ink semi-finished product; C, filtering the ink semi-finished product to obtain an ink finished product. Compared with a prior ceramic ink capable of being sunken, the photochromic ceramic ink capable of being sunken is used cooperatively with a pigment ink, which can show concavo-convex and lifelike textures of ceramic tiles more fully and vividly, have a better third dimension, further improve ornamental effects of the ceramic tiles, create colorful patterns, and can be widely applied to fields of ceramic chips, archaized bricks and the like; meanwhile through reasonable matching of photochromic compounds and antibiosis composite materials with the ceramic ink, the ceramic ink has excellent antibacterial, antifouling and photochromic characters, which further broadens applied range of the ceramic ink capable of being sunken.

The invention discloses a no-outdoor unit air conditioner for pollution purification and novel refrigeration. The no-outdoor unit air conditioner is formed by sleeving a cylindrical upper air purifying section, a cylindrical middle fan section and a lower air conditioner condensation section in sequence. The no-outdoor unit air conditioner is characterized in that the lower air conditioner condensation section is provided an upper evaporator coil II and an upper evaporator coil I at the upper part, a refrigerant storage tank at the middle part and a lower evaporator coil at the lower part; a heating device shell is arranged at the external of the right side; and an electric heating element and a power supply wire are arranged in the heating device shell. An absorbent nanogel comprises the following components in proportion by weight: 10 g of pectin, 2 g of agar, 3 g of menthol, 5 g of eugenol, and 0.01 g of nanometer zinc. The no-outdoor unit air conditioner for pollution purification and novel refrigeration breaks through the difficulty of easy generation of pollution in traditional window air conditioners, cabinet air conditioners, hanging air conditioners and central air conditioner chamber evaporation pipes, is low in size, electricity-saved and low in noise, in particular, needs no air conditioner purifying filter screen, and is excellent in purifying effect.

The invention discloses an antiskid ladder, which comprises a ladder consisting of two ladder rods and a plurality of step bars. Antiskid devices are arranged on the ladder rods. Each antiskid device comprises a supporting frame, wherein one side of the supporting frame is open; the supporting frame is clamped on the corresponding ladder rod; a keep plate which is regulated by a screw and is used for being abutted against the corresponding ladder rod is arranged inside the supporting frame; the screw extends out of the supporting frame; a handle which is fixedly connected with the screw is arranged on the side of the screw, which extends out of the supporting frame; a ladder fixing plate at an acute angle with the lower bottom surface of the supporting frame is arranged on the lower surface of the supporting frame; the section of the ladder rod is of a round shape; a connecting plate is sleeved outside the keep plate; and a hoop with an arc section, which corresponds to the corresponding ladder rod, is fixedly connected with the lower surface of the connecting plate. The antiskid ladder has reasonable structure and scientific design, and has the advantages of light weight, small shape, big load bearing capacity, convenience for operation, labor saving and the like.

The invention discloses deodorizing antibacterial low-temperature archaized glaze and a preparation method thereof. The preparation method comprises the following steps: Step A, preparing a deodorizing antibacterial low-temperature frit; Step B, preparing glaze slip: mixing the low-temperature frit, a colouring agent, potash feldspar, quartz, calcite, talcum, calcium phosphate, a deodorant and an antibacterial compound to obtain mixed powder, adding sodium tripolyphosphate and carboxymethyl cellulose into the mixed powder and uniformly mixing, grinding and adding water so as to obtain the glaze slip; and Step C, uniformly applying the glaze slip onto a green body, putting the green body into a reducing atmosphere furnace, carrying out thermal insulation and naturally cooling to room temperature so as to obtain the deodorizing antibacterial low-temperature archaized glaze. In comparison with existing archaized glaze, the manufactured archaized glaze in the invention has advantages of scientific batching, reasonable preparation, pure color and stable performance, and also has lasting antibacterial property, antifouling self-cleaning function and deodorizing property. According to the invention, the application range of the archaized glaze is further widened.

The invention discloses a method for testing a rut of a rigid-flexible composite pavement structure. A test is carried out through a Hamburg rut instrument, a test piece is a composite test piece andis placed in a test mold of the Hamburg rut instrument; the composite test piece consists of an asphalt concrete surface layer, a cement concrete panel and a composite material in sequence from top tobottom, an adhesive layer is arranged between the asphalt concrete surface layer and the cement concrete panel, and the test piece is formed from bottom to top; the composite material is composed ofrubber powder, sand and broken stones with a single particle size, vibration compaction is adopted to form the composite material, a dynamic triaxial test is used to determine a rebound modulus of thecomposite material, and the proportion of the rubber powder, the sand and the broken stones with a single particle size is determined by whether 95-105% of a required rebound modulus value is reachedor not; and after a normal test is started, the test is ended after the rut depth reaches 20mm. The testing method provided by the invention can provide a scientific basis for improving the rutting resistance design and durability of the rigid-flexible composite pavement structure.

The method for making iron-forging spark fireworks includes the following steps: firstly, putting up a shed, mounting tree branches and twigs on the shed, tying firecrackers and fireworks on these branches and twigs, placing an iron-melting furnace nearby the shed, making the high-temperature molten iron be sprinkled on the shed to set off the firecrackers and fireworks so as to form the invented colorful spark fireworks.

The invention discloses antibacterial ceramic inkjet ink with a marble crack effect and a method for preparing the antibacterial ceramic inkjet ink. The method includes steps of A, mixing and stirring solvents, hyper-dispersants, regulators, defoaming agents and anti-diffusion agents with one another to obtain mixed solution, adding 0.1-5% antibacterial compounds into the mixed solution and uniformly stirring the antibacterial compounds and the mixed solution; B, adding permeating powder and photochromic compounds into the mixed solution, grinding the permeating powder, the photochromic compounds and the mixed solution, then adding solvents and anion compounds into the mixed solution and grinding the solvents, the anion compounds and the mixed solution to obtain semi-finished ink products; C, filtering the semi-finished ink products to obtain finished ink products. The antibacterial ceramic inkjet ink and the method have the advantages that as compared with existing ceramic ink, the antibacterial ceramic inkjet ink manufactured by the aid of the method contains scientific ingredients, is stable in performance and has grains, colors and textures of natural marble, decoration effects of ceramic tiles further can be improved, and the antibacterial ceramic inkjet ink further can be widely applied to the fields of ceramic chips, antique bricks and the like; the photochromic compounds, the anion compounds and antibacterial composite materials are reasonably matched with one another, accordingly, the antibacterial ceramic inkjet ink is excellent in antibacterial performance, air purification and photochromic characteristic, and the application range of the antibacterial ceramic inkjet ink further can be broadened.

The invention discloses a superfine dry powder extinguishing agent. Raw materials used for preparing the superfine dry powder extinguishing agent mainly comprise, by mass, 7-10 parts of alkali residues, 30-40 parts of sodium bicarbonate, 0.5-1 part of talcum powder, 5-8 parts of marlstone, 1-3 parts of xonotlite, 30-45 parts of ammonium sulfate, 3-7 parts of ammonium polyphosphate, 10-20 parts of gypsum, 1-4 parts of stannic oxide, 2-5 parts of silicon nitride, 1-2 parts of silicone oil and 0.4-0.6 part of polybutylene. The prepared superfine dry powder extinguishing agent is good in mobility and hydrophobicity, high in anticaking capacity and fire extinguishing performance, and shortened in fire extinguishing time.

The invention provides waterproof interior wall putty powder, prepared mainly from the following materials according to parts by weight: 8-13 parts of sodium polyacrylate, 9-14 parts of polyvinyl acetate, 38-45 parts of ash calcium powder, 15-21 parts of hydroxypropyl methyl cellulose, 20-25 parts of sepiolite, 94-102 parts of heavy calcium carbonate, 7-13 parts of polyvinylidene chloride, 15-22 parts of soluble starch, 0.5-1.5 parts of a defoaming agent, and 0.4-0.8 part of a leveling agent. The waterproof interior wall putty powder obtained herein is easy to construct, highly waterproof, anti-cracking, dusting-proof, high in adhesive strength, safe and environment-friendly and excellent in comprehensive performance.

The invention discloses an organic fertilizer capable of improving soil. The organic fertilizer is prepared from the following components in percentage by mass: 3%-6% of waste vegetable leaves, 2%-5% of animal bones, 0.4%-0.8% of eggshell, 2%-4% of watermeion peel, 0.2%-0.5% of fructus cnidii, 0.1%-0.5% of liquorice root and yellowish sophora root, 1%-5% of platycodon grandiflorum, 1%-3% of plant ash, 3%-8% of animal manure, 3%-6% of peanut cakes, 2%-4% of margaryamelanoides, 0.005%-0.008% of onionskin, 10%-20% of river sludge, 1%-5% of walnut shell, 1%-2% of dry sea-tangle and the balance of rice washing water. By twice sealed heating fermentation, the carbon content can be reduced; the nitrogen-carbon ratio is improved; sterilization and disinfection can be carried out; the organic fertilizer is reasonable in process, scientific in preparation, complete in nutrient, reasonable in proportion, high in crop absorption rate and high in sustainable ability; the utilization rate of nutrients of the fertilizer can be effectively improved; and the nutrient requirements of crops can be met.