77results about How to "Suitable for large-scale factory production" patented technology

The invention discloses a biological preparation method for natural safe starch nano particles. The natural safe starch nano particles are prepared by gelatinization and recrystallization by using natural starch as a raw material, and the method belongs to the technical field of nano structure materials. The method comprises the following steps of: mixing the natural starch with water in a certain proportion to form starch milk; and performing gelatinization, debranching, low-speed centrifugation, recrystallization, differential speed centrifugation and vacuum freezing and drying to prepare the nanoscale starch crystalline. Toxic and harmful organic solvents and inorganic metal ions are not added during the preparation of the starch nano particles, and the starch nano particles are wide in sources of raw materials, biodegradable, good in biocompatibility, low in cost, and simple in production process, and industrial scale production of starch nano particles can be realized easily. The method has a special function in the fields of biological membrane preparation, medicine carriers, high-molecular polymer and the like.

The invention relates to a pre-tensioning method plate-beam track movable type steel transverse beam integer tensioning device and a tensioning technology. The pre-tensioning method plate-beam rail movable type steel transverse beam integer tensioning device comprises a tensioning end fixing steel transverse beam, an anchoring end fixing steel transverse beam, steel strands, beam restraining table bases arranged between the tensioning end fix fixing steel transverse beam and the anchoring end fixing steel transverse beam, a force transmission column arranged on one side of each beam restraining table base, a track movable type platform arranged on one side of the tensioning end fix fixing steel transverse beam and up-and down adjusting steel plates, wherein the up-and-down steel plates are connected on the tensioning end fixing steel transverse beam, the anchoring end fixing steel transverse beam and a lifting jack moving transverse beam in a buckling mode, and each steel strand is provided with two dual-connecting elements, a single connecting element and three sections of precision rolling twisted steel bars. The pre-tensioning method plate-beam track movable type steel transverse beam integer tensioning device is further provided with a pre-tensioning plate lifting device. The pre-tensioning method plate-beam track movable type steel transverse beam integer tensioning device can conduct construction on multiple beams simultaneously, saves materials, is safe, reliable, capable of being used in multiple times, suitable for construction of all bridge types, simple in operation, continuous in construction and suitable for construction of all beam-plate types, and improves effects. The pre-tensioning plate lifting device is capable of rotating at 360 degrees, storage of movable beams is convenient, occupation of a crane is reduced, and efficiency is improved.

A trichoderma spp chlamydospore production method of obtaining trichoderma spp from crop root surface soil is disclosed. The method obtains chlamydospore through controlling nutrition condition , adding chlamydospore promotor, regulating other technical parameter to control the fermentation condition. First the trichoderma spp from corp root is purified and then transferred to tube slant as stock bacteria, then vibrated in triangular tube to become bacteria liquid, at last fermented in fermenter to produce chlamydospore suspension liquid. The merit of inventive chlamydospore is long life.

The invention discloses a high strength selecting and cultivating method of excellent stichopus japonicus seeds. The high strength selecting and cultivating method comprises the steps of carrying out cultivation, spawning or spermiation promotion, and hybridization on parent stichopus japonicuses from at least four different geographical groups, and carrying out selective breeding at different degrees in different periods according to a quantitative genetics method. By combining two traditional and effective methods of hybridization breeding and selective breeding, the invention preserves excellent properties of the stichopus japonicus and also avoids inbreeding; because the cultivated stichopus japonicuses have excellent properties of different groups, the cultivated stichopus japonicuses have the advantages of fast growth speed, strong stress resistance and the like; and the invention not only realizes seedling pre-culturing of the stichopus japonicus to meet market demand in advance, but also prolongs an effective growth period of the stichopus japonicus within a year, shortens cultivation time, and improves economic benefit; therefore, the inveniton is suitable for large-scaled factory production.

The invention relates to a Brasenia schreberi polysaccharide preparation method. The preparation method comprises the following steps: drying a raw material fresh Brasenia schreberi, and crushing to obtain Brasenia schreberi powder; adding water to the Brasenia schreberi powder for dilution, adjusting the pH value of the obtained solution, adding papain, carrying out enzymatic hydrolysis treatment under controlled conditions, filtering, concentrating, adding a mixture containing organic solvents comprising chloroform and n-butanol, and stirring for removing proteins; carrying out dialysis desalting through a dialysis membrane, carrying out alcohol precipitation, collecting the obtained precipitate, washing, and drying to obtain crude Brasenia schreberi polysaccharides. The preparation method has a high protein removal rate, a small polysaccharide loss and a good separation and purification effect, and determination results show that the protein removal rate reaches above 80%, and the purity of the obtained crude Brasenia schreberi polysaccharides reaches above 70%. The preparation method has the advantages of reasonable technology, advanced technique, feasible operation, and suitableness for the large-scale factory production.

The invention relates to the technical field of the detoxication and the tissue culture of sugarcane and provides a detoxication and tissue culture rapid propagation method of chewing cane, characterized by comprising the following steps of: (1) selecting and sterilizing plants; (2) carrying out the induced culture of axillary buds; (3) carrying out differentiation culture; (4) carrying out propagation culture; (5) carrying out rooting culture; (6) transplanting; and (7) detecting viruses (germs). The detoxication and tissue culture rapid propagation method of chewing cane is characterized in that a differentiation culture medium formula in the step (3) comprises the following components: 0.001-0.01mg / L of MS and TDZ, 0.02-0.05 mg / L of IBA, 30-40 g / L of cane sugar, 100-150 mg / L of arginine and 100-150 mg / L of inositol. The invention uses chewing cane axillary buds as explants, is easy to perform vaccination operation, and reaches the high survival rate over 90 percent. By the adopted differentiation culture medium formula, cluster buds can be rapidly differentiated from induced buds in the differentiation culture process. The invention can rapidly culture chewing cane detoxication buds and multiply a monthly propagation coefficient by 5-10 times, thereby being suitable for large-scale factory production.

The invention relates to a preparation method for low-protein and high-purity sea cucumber polysaccharide. The method comprises the following steps: selecting dry sea cucumber as raw materials, crushing and adding n-hexane or ligarine for extraction and degreasing processing; removing an organic solvent from degreased sea cucumber powder, and adding ethanol for extraction to remove saponin; drying and placing in an enzymolysis tank, adding water, adding animal protein hydrolytic enzyme and trypsin for one-time enzymolysis after full swelling, and performing enzyme deactivation; performing centrifugation on obtained sea cucumber enzymatic hydrolysate, placing an ultrafiltration liquid obtained through ultrafiltration in the enzymolysis tank, adding flavor proteolytic enzyme for enzymolysis processing, and performing enzyme deactivation; adjusting the pH value, cooling at lower temperature, standing, performing centrifugation and ultrafiltration, collecting an interception liquid, and drying to obtain the dry product of the sea cucumber polysaccharide. The preparation method is reasonable in process, advanced in technology, and practicable in operation. The sea cucumber polysaccharide has the protein content lower than 0.5 percent according to tests.

The invention discloses a complete formula feed for domesticated snakes. The complete formula feed is prepared from the following raw materials in parts by weight: 40 to 90 parts of fish meat, 5 to 40 parts of chicken meat, 5 to 40 parts of duck meat, 5 to 20 parts of flour, 0.1 to 0.5 part of hawthorn fruit powder, 0.05 to 0.5 part of coptis chinensis powder, 0.01 to 0.5 part of astragalus membranaceus powder, 0.05 to 0.5 part of pericarpium citri reticulatae powder, 0.01 to 0.1 part of compound enzyme, 0.001 to 0.01 part of decavitamin, 0.001 to 0.01 part of microelement, 0.001 to 0.005 part of wild silkworm spore fungus, 1 to 5 parts of wheat plant protein powder, 2 to 10 parts of sodium alginate and 2 to 10 parts of calcium chloride. After the domesticated snakes are fed by the complete formula feed, the domesticated snakes have the characteristics of rapid growth, few disease suffering times, good digestive absorption and low parasite infection rate. Thus, the survival rate and the fecundity of the domesticated snakes are obviously improved.

The invention provides a preparation method and an application of multi-effect anti-biological inoculants for controlling crop soil-borne diseases. According to the preparation method, trichoderma viride strains and endogeny bacillus subtilis having antagonistic action to pathogenic bacteria of the crop soil-borne diseases are used as parent inoculants, and light calcium carbonate is used as a carrier to prepare the anti-biological inoculants. The anti-biological inoculants are mainly used for controlling various crop soil-borne diseases caused by pathogenic fungi including fusarium, pythium, rhizoctonia and the like, and have multiple functions of improving self resistance and increasing the output of plants. By adopting the preparation method, the anti-biological inoculants are short in production cycle, stable and lasting in control effect and pollution-free to the environment without residues to crops.

The invention discloses a horseradish seedling culturing method. The horseradish seedling culturing method comprises the following steps: (A) rooting cultivation, (B) hardening seedling transplanting and (C) filed planting, wherein the rooting cultivation comprises the step that primarily cultured stem tip meristem tissue which undergoes sterilization and detoxification is transferred into a 1 / 2 Murashige and Skoog (MS) culture medium to grow, the hardening seedling transplanting comprises the step of transferring the tissue into a tray after the step (A) lasts for 28-32 days, and the field planting comprises the step of transplanting finished horseradish seedlings to fields after the step (B) lasts for 75-85 days. The method of adding rooting agents into the culture medium for enrichment culture is adopted to replace the method of using cytokinin, so that the problems that rooting is slow and roots are thin and long are solved, and the purpose of increasing the length of the root of a single seedling quickly in a short period is achieved. At the same time, the price of the rooting agents is far lower than that of the cytokinin. Compared with the auxin culturing method which is large in waste quantity and low in use ratio, the horseradish seedling culturing method is smaller in dosage, higher in use ratio and capable of greatly reducing cost.

The invention belongs to the technical field of agricultural fertilizers and particularly relates to a biomass-charcoal basal fertilizer and a preparation method therefor. The biomass-charcoal basal fertilizer is prepared from the following raw materials in parts by weight: 15-20 parts of biomass charcoal, 20-30 parts of urea, 20-30 parts of ammonium dihydrogen phosphate, 15-25 parts of potassiumsalt, 5-10 parts of bentonite and 1-5 parts of calcium sulfate. According to the preparation method for the biomass-charcoal basal fertilizer, a granulating process has physical and chemical double reactions, an amido bond of urea and a nitrogen-phosphorus bond of ammonium dihydrogen phosphate in the charcoal basal fertilizer are bonded to a charcoal group to change chemical shift under high-temperature steam reaction conditions, nutrients and a carbon skeleton are bonded to each other, the bonding among the raw materials is closer, and thus, the fertilizer effect is prolonged.

The invention belongs to the technical field of artificial cultivation of earthworms and leafy vegetables and discloses an ecological planting and breeding method capable of realizing intergrowth of the earthworms and the leafy vegetables. A conventional method is troublesome in operation, large in investment, labor consuming and time consuming due to the fact that breeding of the earthworms and planting of the leafy vegetables are performed independently. The ecological planting and breeding method includes that an earthworm breeding method is combined with a leafy vegetable planting method to realize intergrowth of the earthworms and the leafy vegetables, and organic leafy vegetables are cultivated and produced by utilizing excrement of the earthworms as organic fertilizer and ecological fertilizer to form a ridge bed until all leafy vegetables are picked; the leafy vegetables can be picked only by slightly rotating and drawing through hands, and picking speed is more than twice that of a conventional method which is specially used for base sprouting vegetables in a vegetable garden. The ecological planting and breeding method is used for combining earthworm breeding through artificial cultivation with organic vegetable planting; by the ecological planting and breeding method, cultivation processes for specially breeding the earthworms and solely planting the vegetables can be simplified, yield and quality of the earthworms and the vegetables can be improved, manpower can be saved, and investment cost can be reduced; raw materials are easy to get, so that large-scale industrialized production of the earthworms and the vegetables is facilitated better, and economic benefit of farmers is increased obviously.

The invention provides Ca / Fe / GO / biomass charcoal, carbon-based slow-release fertilizer special for corn and application of the carbon-based slow-release fertilizer, and belongs to the technical fieldof fertilizer. The Ca / Fe / GO / biomass charcoal is prepared by the following steps: mixing biomass raw material slag powder with calcium chloride, ferric chloride and graphene oxide, carbonizing the mixed material at 100 to 120 DEG C for 1 to 2hours and at 500 to 600 DEG C for 4 to 6 hours in sequence, and washing the carbonized product to be neutral to obtain modified biomass charcoal. The carbon-based slow-release fertilizer special for the corn is prepared from the following components in parts by weight: 15 to 20 parts of the modified biomass charcoal, 5 to 8 parts of calcium cyanamide, 35 to40 parts of superphosphate, 20 to 30 parts of potassium salt, 6 to 9 parts of plant ash, 5 to 10 parts of bentonite, 1 to 5 parts of calcium sulfate and 3 to 7 parts of a mushroom dreg composted material. The slow-release fertilizer provided by the invention is not easily broken, and the fertilizer effect is prolonged; when the slow-release fertilizer is applied in a corn planting process, the yield is increased by 5% or above and the soil structure can be improved.

The invention discloses a method for extracting Anoectochilus roxburghii polysaccharides. The method comprises the steps: (1) cleanly washing Anoectochilus roxburghii herbs, then, baking the Anoectochilus roxburghii herbs at the temperature of 40-60 DEG C, then, crushing and sieving the baked Anoectochilus roxburghii herbs, soaking the sieved Anoectochilus roxburghii herbs with 80-95% ethanol according to the ratio (v: w) of (8-12): 1 for 10-15 hours, carrying out filtration, carrying out repeated treatment for 2-3 times, concentrating the filtrate for later use, and baking filtration residue so as to obtain pretreated powder; and (2) weighing the pretreated powder, adding distilled water into the weighed pretreated powder according to the liquid / material ratio of 1: (25-35), carrying out water bath for 60-90 minutes at the temperature of 60-70 DEG C, carrying out suction filtration, carrying out repeated extraction for 3-5 times, and merging the filtrates, thereby obtaining a polysaccharide extract. Under the condition of the extraction process disclosed by the invention, the extraction yield of the Anoectochilus roxburghii polysaccharides is 26.68%. By applying the process disclosed by the invention, the polysaccharides are high in yield and simple and easy in regulation and control and have production and application values.

The invention provides a fermentation preparation method of eurotium cristatum melanin which comprises the following steps: removing mycelia from fermentation liquor of eurotium cristatum strain whichis separated from Fuzhuan tea and has high melanin yield, adding 3mol / L hydrochloric acid to regulate the pH value to 3, standing at low temperature for 4 hours, naturally precipitating melanin molecules, centrifuging, and collecting melanin remained in the precipitate, dissolving melanin with 0.01 mol / L NaOH solution, adding 3 mol / L hydrochloric acid again to enable the pH value to be 3, precipitating melanin molecules, purifying the melanin molecules through precipitation and re-dissolution processes for 3-5 times, washing the final precipitate with ultrapure water for 3-5 times, and thoroughly drying the melanin molecules through freeze-drying. Melanin molecules are proved to be eumelanin through structural characterization, and further animal experiments show that the melanin of the eurotium cristatum has a certain effect of reducing blood fat.

The invention relates to a rapid culture and propagation method of Carex evergold stem tips, which belongs to the technology field of the plant propagation, including the following steps: preparing the culture medium, selecting and sterilizing the explants, induction culturing, proliferation culturing, rooting culturing and transplanting. The method has the advantages that the detergent soaking pretreatment and the two-step sterilization of the explants effectively prevent the explant inoculation from pollution and the inoculation rate reaches 85%; the optimal culturing medium of the provided Carex evergold tissue culturing is pertinent and applicable. The induction rate of the buds reaches more than 90% and the bud is more than five times the proliferation rate in each culture period. When inoculating in proliferation culturing, breaking off the multiple shoots into simple buds instead of cutting by the scalpel, the rooting portion is prevented from forming the calli, the differentiation of all-green or all-white tissue culturing is reduced, and a yield rate of more than 95% is reached. The growth rate of the buds is high with the rooting rate at 100% and the transplanting survival rate at more than 90%, which is applicable to the factory mass production.

The invention discloses a formula and making method of a paste material for a frozen cheese creammy snow cap. The making method comprises the following steps of mixing raw materials of milk, cream andthe like, through combination of intermittent ultrasonic waves with a chopping technology, making semi-finished products of the paste material for a frozen cheese creammy snow cap, and through a decompressing quick-freezing technology, making finished products of the paste material for a frozen cheese creammy snow cap. After being unfrozen, the paste material for a frozen cheese creammy snow capis mixed with coffee cream in a certain proportion, and whipping is performed, so that cheese creammy snow cap, cheese creammy snow cap coffee or other beverages, being delicious, can be made. Throughcombination of the intermittent ultrasonic waves with the chopping technology, the raw materials are heated, and then the heated raw materials are mixed, so that the juice separation rate of the products can be effectively reduced, the emulsifying effect is guaranteed, and the elasticity and the fine and smooth degree of the products can be strengthened; decompressing quick-freezing is performed,so that the temperature of the products can be rapidly reduced, the flavor and the nutritional quality of the products can be maintained, and the shelf life can be prolonged. The formula and the making method are suitable for large-scale industrialized production. The paste material is stable in quality, rich in nutrition, delicious in mouth feel, convenient to use and convenient to transport andsell, and the problems that losses during on-site making are high, the products are instable, and the food hygiene security cannot be guaranteed, are solved.

The invention relates to the technical field of food processing, and discloses a method for reducing the content of heterocyclic amine in a roasted mutton cake based on tea polyphenol. The method comprises the following steps: 1) preparing mutton and tea polyphenol; 2) processing the mutton into minced mutton; 3) uniformly adding tea polyphenol accounts for 0.05-1wt% of the minced mutton into theminced mutton, and processing the minced mutton into mutton cakes; and 4) baking the mutton cake. A proper amount of tea polyphenol is added in a processing process of the mutton cake, so that the content of heterocyclic amine in the mutton pie can be effectively reduced, the barbecue product is safer to eat, and meanwhile, the taste of mutton is not excessively influenced. The added tea polyphenol does not have any toxic or side effect on human health and completely conforms to the natural, green and healthy development trend, and the common substances are easy to obtain, so that the method can be suitable for large-scale industrial production.

The invention relates to a flight of concrete stairs with hoisting seats and connecting pieces. The flight of concrete stairs comprises stairs and a stair landing, wherein the stairs are composed of side plates and stair plates; the stair plates are of steel bar mesh concrete structures; the side plates are of steel bar truss concrete structures; steel bar meshes in the stair plates and steel bar trusses in the side plates are welded into a body; threaded connection pipes are pre-buried in the stairs and the side plates; profile steel is arranged in the pre-buried parts; the hoisting seats are further arranged in the side plates. The flight of concrete stairs is good in integral stress performance, high in strength, good in shock resistance, convenient to hoist and connect and high in construction speed, and is suitable for standardization large-scale production and quick modularization construction.

The invention is the linearity rabbet brickwork Assembling type wall body and the construct method. The wall body is composed of linearity rabbet brickwork, the connection part with rabbet. The connection part is fixed on the up-and-down floor; there is the heat preservation material or deadening interlayer between two layers of linearity rabbet brickwork, the crack on the surface of the linearity rabbet brickwork. The construct method is that when put the first row linearity rabbet brickwork, we locate the connection part and connect to the up-and-down floor, and then put the other linearity rabbet brickwork according to first-outside second-inside, put the heat preservation material or the deadening into the room formed by the inner and outside linearity rabbet brickwork. On the surface of the linearity rabbet brickwork, we spurts spreads or brushes spreads the rubber to seal the crack, and fill concrete in the jointing rabbet which is on the connection board, and then form the pitch point. The merit of the invention is that the whole capability of the wall body is well and its structure is simple and construct is convenience.

The invention discloses an antibacterial mildew-resistant interior environment-friendly coating capable of removing methanal with high efficiency, and a preparation method thereof. The antibacterial mildew-resistant interior environment-friendly coating is prepared from, by weight, 40 to 52 parts of a film forming base material, 10 to 22 parts of calcium carbonate powder, 16 to 28 parts of bamboo charcoal powder, 6 to 12 parts of talcum powder, 1 to 7 parts of a wetting agent, 1 to 7 parts of an antifoaming agent, 6 to 12 parts of a thickening agent, and 2 to 6 parts of a traditional Chinese medicine composition extracted solution; the traditional Chinese medicine composition extracted solution is prepared from, by weight, 10 to 16 parts of passiflora edulia sims, 8 to 14 parts of lemon, 4 to 10 parts of spina gleditsiae, 2 to 8 parts of acorus calamus, 12 to 18 parts of semen cassiae, and 2 to 8 parts of mint. The traditional Chinese medicine composition extracted solution possesses obvious inhibiting and killing effect on pathogenic bacteria and virus, no bacteria drug resistance is caused, and bacteria killing effect lasts long; the traditional Chinese medicine composition extracted solution and the chemical ingredients are combined, so that application of chemically synthesized additives is reduced, coating toxicity is reduced, methanal in the air can be removed effectively, safety is high, air purifying effect is achieved, fragrance is provided, and market prospect is promising.

The invention discloses a quick hormone-free cultivation method of dendrobium huoshanense seedlings. The method comprises the steps as follows: dendrobium huoshanense capsules which grow about 100 days and are not fully matured are picked in Huoshan, and ivory powdered young embryos in the capsules are taken as explants; a novel optimized culture medium is adopted, and compared with a conventional MS culture medium, dosage of chemicals of inorganic salt and the like as well as sugar is smaller, edible substances or waste materials such as mashed yam, bran paste, banana skin homogenate and the like are added in the culture medium respectively at different cultivation stages, a carbon source adopts commercially available edible sugar, and hormone is not added; seedlings are healthy and strong after cultivation for six months, each seedling is 3-4 cm high and has 3-4 sections, 6-8 leaves and 4-5 roots, the root length is 2-4 cm, and the transplant survival rate is higher than 95%; and later, the seedlings are transferred to a natural environment of an original area for cultivation, so that wild dendrobium nobile quality can be maintained. With the adoption of the quick hormone-free cultivation method of the dendrobium huoshanense seedlings, the young embryo breeding rate is high, the seedling breeding period is shortened, the culture medium cost is low, the utilization values of yams, brans, banana skin (waste materials) are improved, and the optimized culture medium is suitable for large-scale industrial production.

The invention relates to a blow boiling cold-concentration pool. The blow boiling cold-concentration pool comprises a boiling pool, a blower and a hollow porous plate. The boiling pool is a cuboid with an open-ended upper end. The blower is connected with the hollow porous plate through a pipeline, and the blower is positioned over the liquid surface of a liquid material in the boiling pool. The hollow porous plate is horizontally fixed at the bottom of the boiling pool. The hollow porous plate is a plate-shaped cuboid with five enclosed surfaces and one surface arranged with pores and havinga hollow internal part, and one surface of the pore of the hollow porous plate faces to an open end of the boiling pool. When the cold concentration work is carried out, the to-be-concentrated liquidmaterial is added in the boiling pool, a blower is turned on, a lot of bubbles can be generated at the surface of the hollow porous plate, the bubbles rapidly rise due to buoyancy, the liquid materialpresents a boiling state, and the bubbles rapidly pass through the liquid material and moisture in the liquid material is taken away. The blow boiling cold-concentration pool has the advantages of low cost, simple structure, and high concentration efficiency, and can rapidly concentrate the liquid material which cannot be subjected to high-temperature concentration.

The invention discloses a manufacturing method of a concrete artware with a ceramic texture on a surface. The method comprises the following steps of adopting a blow molding process for blowing thermoplastic plastic into a mold, forming a layer of plastic on the inner surface of the mold, and obtaining a mold used for forming; stirring ultra-high-performance concrete into a slurry, and obtaining aslurry used for forming, wherein the flowability of the slurry is not lower than 300mm; and adding the slurry into the mold for forming, standing after forming, then dry-heating and curing a belt mold, and finally demolding. The surface of the product prepared by the invention has the glossy appearance just like ceramic and the fine and smooth tactility; and in addition, the manufacturing processis simple, the manufacturing cost is low, and industrial production can be carried out conveniently.

The invention discloses a microwave extraction method for spirulina polysaccharide. The method mainly overcomes the problems of great consumption of time and energy and low yield in extraction of spirulina polysaccharide with conventional hot water methods and cold alkali methods The microwave extraction method comprises the following steps: adding spirulina powder into distilled water according to a material-liquid ratio, carrying out ultrasonic treatment, then carrying out microwave extraction by using an intermittent microwave extraction method and then carrying out centrifugation so as to obtain crude spirulina polysaccharide extract; adding the crude spirulina polysaccharide extract into a trichloroacetic acid solution to remove protein; and then adding active carbon TS4 for decoloring and carrying out vacuum freeze drying so as to obtain the spirulina polysaccharide. The microwave extraction method has the advantages of reasonable extraction process, mild polysaccharide extraction conditions, no destroy to effective components, high extraction efficiency, thorough removal of impurities, ideal yield and suitability for large-scale factory production.

The invention provides a railway elastic supporting block production line and a production technology thereof, and relates to the field of elastic supporting block production equipment. The production technology comprises the following steps of upper die and lower die cleaning, first die conveying trolley transferring, die assembly, releasing agent coating, embedded part installation, pouring vibrating, second die conveying trolley transferring, die stacker stacking, foundation pit type curing kiln curing, longitudinal and transverse conveyor conveying, upper and lower die separator upper die dismounting and upper die inverting, die overturning machine lower die dismounting, product conveying out, moving of an upper die to the upper die cleaning position through a third die conveying trolley and moving of a lower die to the lower die cleaning position through the third die conveying trolley. The technology process arrangement is reasonable, the automation degree in the product production process is improved, equipment can produce multiple products at a time through an integral die used in cooperation in the product pouring process, and the production efficiency is high; and meanwhile, the die has high strength and high rigidity, the integral quality of a formed product is guaranteed, the requirement for large-scale industrialized production is met, and high popularization value is achieved.

The invention discloses a method for separating soybean protein powder by a dry method. The method combines fine grinding and electrostatic separation for preparation of soy protein-rich fractions that retain the natural state of the protein. The defatted soybeans are impact-milled to form fine soy flour, which can improve the flavor. An electrostatic separator is used for soy protein enrichment,which preserves natural nutrients, increases protein content, and increases the nutritional value of soy flour.

The invention provides an Fe / graphene / biomass charcoal carbon-based slow-release compound fertilizer special for corn and an application of the compound fertilizer, and belongs to the technical fieldof fertilizers. The preparation method comprises the following steps: mixing crushed corn straw fragments with graphene, and sequentially carrying out firing at temperatures of 95-105 DEG C, 190-210 DEG C, 385-415 DEG C and 495-505 DEG C, washing the obtained graphene biomass charcoal to be neutral, carrying out crushing and sieving, mixing the collected graphene biomass carbon particles with an FeCl3 solution, and carrying out heat treatment to obtain the Fe / graphene / biomass charcoal. The carbon-based slow-release compound fertilizer special for corn comprises Fe / graphene / biomass charcoal, ammonium sulfate, potassium dihydrogen phosphate, bentonite, calcium sulfate, a trichoderma viride F7 culture substance and a mixture of borax and zinc sulfate. Through the slow-release action of biomass charcoal and the decomposition effect of biological strains, absorption of corn crops to nutrient elements is enhanced, growth conditions of corn is improved, and the effects of losing weight and enhancing efficiency are achieved.

The invention discloses a continuous copper strip stamping worktable. The continuous copper strip stamping worktable comprises frames, an upper mold, a lower mold and lifting mechanisms; a guide strip is connected between the frames; the lower mold is fixed in the guide strip; the bottom of the lower mold is connected with a hydraulic oil cylinder; a cross beam is mounted on the frames; a control box is mounted at the upper end of the cross beam; the lifting mechanisms are mounted in the cross beam and the control box; the lifting mechanisms include driving devices, first gear shafts, second gear shafts, first eccentric gears, first lifting links, second eccentric gears, second lifting links and elastic guide columns; a guide strip switch is arranged at the lower end in the cross beam; and the elastic guide columns are matched with the guide strip switch. The continuous copper strip stamping worktable introduces the guide strip structure based on a traditional stamping forming technology, installs the lower mold on the guide strip, conveys the lower mold at constant speed by dint of the guide strip, and stamps the lower mold by the upper mold in the conveying process to realize automatic continuous production. The continuous copper strip stamping worktable saves both time and labors, reduces the cost, is fast in stamping speed, and obviously enhances the working efficiency.

The invention discloses a biological preparation method for natural safe starch nano particles. The natural safe starch nano particles are prepared by gelatinization and recrystallization by using natural starch as a raw material, and the method belongs to the technical field of nano structure materials. The method comprises the following steps of: mixing the natural starch with water in a certain proportion to form starch milk; and performing gelatinization, debranching, low-speed centrifugation, recrystallization, differential speed centrifugation and vacuum freezing and drying to prepare the nanoscale starch crystalline. Toxic and harmful organic solvents and inorganic metal ions are not added during the preparation of the starch nano particles, and the starch nano particles are wide in sources of raw materials, biodegradable, good in biocompatibility, low in cost, and simple in production process, and industrial scale production of starch nano particles can be realized easily. The method has a special function in the fields of biological membrane preparation, medicine carriers, high-molecular polymer and the like.