2473 results about "Corncob" patented technology

The invention discloses a natural conditioning and nourishing ferment and a manufacturing method thereof. The ferment comprises the following raw materials in parts by mass: 1-80 parts of primarily fermented liquid, 1-30 parts of probiotics, 1-30 parts of enzymes, 1-10 parts of Chinese herbal medicines, 1-30 parts of fruits, 1-30 parts of vegetables, 1-30 parts of edible mushrooms, 1-30 parts of edible algae, 1-30 parts of maltose, and 1-30 parts of honey. The primarily fermented liquid comprises the following raw materials in parts by mass: 1-50 parts of corncobs, 1-15 parts of wheat, 1-30 parts of stem rice, 1-50 parts of brown rice, 1-50 parts of rice bran, 1-50 parts of black soya beans, 1-10 parts of black glutinous rice and 1-10 parts of semen sesami nigrum. The ferment is prepared by compounding the vegetables, the fruits, the edible mushrooms, the edible algae and the traditional Chinese medicinal materials with the enzymes and fermenting by the probiotics. By adopting the ferment, the integrated conditioning properties of a plurality of plants such as fruits and vegetables and traditional Chinese medicinal materials are compounded, and the natural conditioning and nourishing ferment is free of toxic and side effects. The ferment can be used as a food, also can be added to other foods and beverage, and the natural conditioning and nourishing effects are achieved.

The invention discloses a method for cultivating pure white needle mushrooms. The method comprises the following steps: a strain is prepared; a culture material is prepared; bagging and sterilization are carried out; inoculation is carried out; a mycelium is cultured; nutrition, humidity, temperature, light, air and other culture conditions are strictly controlled during a fruiting period; and harvesting is carried out in an optimum period. the formulation of the culture material is 0 to 32 percent of weed tree sawdust, 0 to 93 percent of cotton seed hulls or wheat straw, straw, corncob and other crop straw, 0 to 20 percent of wheat bran, 0 to 10 percent of corn meal, 0 to 10 percent of soybean meal, 0 to 1 percent of calcium carbonate, 0 to 0.2 percent of monopotassium phosphate, 0 to 0.2 percent of magnesium sulfate, 1 to 1.2 percent of sucrose, 0 to 10 percent of rice bran, 0 to 1 percent of plaster and 0 to 0.02 percent of urea. Quicklime and wettable carbendazim are added during the preparation of the culture material so as to prevent the pollution of undesired bacteria. The technical proposal aims to select proper breeds, popularize local large scale planting and improve cultivation benefit.

The invention relates to an animal feed composite microecologic agent. The invention is formed by mixing composite microorganism powders, oligose, an auxiliary protective vector and a flavor composition, and comprises the total mass percents of1.0-30% of the composite microorganism powders, 5.0-35% of the oligose, 35-70% of the auxiliary protective vector and 0.1-0.2% of vanillic aldehyde, wherein, the composite microorganism powders select one or the combination of more than one of lactobacillus, yeast, bacillus and lactococcus; the oligose selects one or the combination of more than one of oligoisomaltose, soybean oligosaccharides and inulin; the auxiliary protective vector selects one or the combination of more than one of cornstarch, corncob, rapeseed cake powders and maltodextrin. The invention has the advantage that: live bacteria and oligose contained in the invention have the effect for prominently improving microecologic environment of entire intestines and aiding in digestion, and the invention has a plurality of advantages of preventing and treating intestinal diseases, enhancing the utilization rate of digestion of feed, promoting animal to grow fast and eradicating antibiotic additives.

The invention discloses a novel edible fungus culture medium and a preparation method thereof. The novel edible fungus culture medium comprises 70-85% of main material, 15-20% of auxiliary material, 3-5% of additive material and 0.1-0.8% of absorbent resin, wherein the main material comprises sawdust, straws, corncobs, and cottonseed hull; the auxiliary material comprises bran, rice bran and maize meal; and the additive material comprises land plaster, slaked lime, calcium superphosphate, white sugar and urea. The preparation method disclosed by the invention comprises the following steps of: reasonably selecting raw materials in the ratio of nutrient ingredients according to the nutritional requirements of different kinds of edible fungi to prepare the culture medium, and adding the absorbent resin synthesized by the biological materials. The permeability and the water retaining capacity of the culture medium are greatly enhanced, and the accumulation of the various nutrient elements and the slow releasing capacity to the nutrient elements are enhanced; meanwhile, the properties of the cellulose and the protein of the absorbent resin provide the nutrition in the aspect of carbon source or nitrogen source so as to ensure the sufficient supplement of the required raw materials of the fungi; and by adopting the novel edible fungus culture medium disclosed by the invention, the output of a single bag is enhanced by 25%-35%, and the fungus output time is advanced by 4-6 days.

The invention discloses cat litter comprising a composition prepared from the following components in percent by weight: 50-80% of inorganic clay, 5-15% of silica gel, 5-20% of organic substrate and 8-20% of mineral matter, wherein the inorganic clay is selected from one or a mixture of attapulgite, bentonite, kaolinite and sepiolite; the organic substrate is selected from one or a mixture of corncob, corn, wheat, clover, peanut hull, walnut shell, pine wood shavings and broadleaved tree wood shavings; and the mineral matter is selected from one or a mixture of perlite, diatomite, pumice and other low-density mineral matters. The cat litter disclosed by the invention has the following advantages of largely strengthened adsorption deodorization capacity due to the addition of the silica gel component, stronger deodorization capacity by utilizing the adsorbability of natural materials, natural fragrance, small weight and strong caking capability, in particular no dust and easiness for treatment; and the cat litter disclosed by the invention is 40% lighter than the traditional bentonite cat litter.

The invention belongs to the biochemical industry field and particularly relates to a novel process for producing the polyatomic sugar alcohol and the lignin by comprehensively using agricultural and forestry wasters of corncobs. The process includes preprocessing raw materials by using a chemical or biological method, and producing a xylose hydrolysate in a high-temperature digesting or steam blasting mode to produce xylose products or xylitol products through a biological method. According to the process for producing the polyatomic sugar alcohol and the lignin by comprehensively using agricultural and forestry wasters of corncobs, ingredients of cellulose and lignin contained in the raw materials are fully used to develop and produce corresponding products.

The invention relates to preparation and application of a biological carbon immobilized microbial agent. The method comprises the following steps of: sequentially performing seed solution culture and liquid fermentation culture to microorganisms capable of degrading petroleum to obtain fermentation liquid; performing mixed adsorption to the fermentation liquid and biological carbon to prepare the biological carbon immobilized microbial agent. The invention further provides application of the biological carbon immobilized microbial agent to soil polluted by oily sludge and sand and petroleum. By immobilizing the microorganisms having a function of degrading petroleum and then remedying the soil polluted by oily sludge and sand and petroleum, the petroleum removal efficiency is remarkably improved and the removal rate is improved by 20 to 30 percent as compared with remediation by solely using microorganisms. The invention uses agricultural wastes such as corncobs as precursors to prepare carriers, the cost is low, a great amount of microbial agent is easily obtained and simultaneously the reclamation of wastes is realized.

The invention discloses a pleurotus geesteranus medium and a preparation method thereof. The recipe of the medium comprises (by weight) 60-75% of cotton seed hull or wheat straw or rice straw or corn cob, 7-15% of weed tree sawdust, 8-15% of wheat bran or rice bran, 3-8% of corn flour, 0.5-1.5% of sucrose, 1-1.5% of dried gypsum, 2-2.5% of quicklime, 0.1-0.3% of potassium dihydrogen phosphate and 0.1-0.2% of magnesium sulfate. The preparation method of the medium comprises the following steps: dissolving the quicklime, the dried gypsum, the potassium dihydrogen phosphate and the magnesium sulfate into water; adding the cotton seed hull or the wheat straw or the rice straw or the corn cob and the weed tree sawdust for prewetting; then adding the rice bran, the corn flour, the wheat bran and the sucrose and mixing evenly; and returning the medium having been used for planting the pleurotus geesteranus to field and soil in situ. The technical scheme can cause the pleurotus geesteranus to grow better and avoids the defect of no special medium for the growth of the pleurotus geesteranus in the prior art.

The invention discloses a Pleurotus eryngii culture medium and a manufacturing method thereof. The culture medium comprises 75 to 80 percent of cottonseed hulls or wheat straws or straws or corncob, 5 to 12 percent of wheat bran or rice husks, 8 to 10 percent of dry fowl manure, 3 to 8 percent of cornmeal, 1 to 2 percent of hemihydrate gypsum, 0.5 to 1.5 percent of sucrose and 0.5 to 1.5 percent of quicklime, and is added with 0.1 to 0.3 percent of potassium dihydrogen phosphate and 0.1 to 0.2 percent of magnesium sulfate according to the total amount of the compositions, and various compositions are calculated by weight percentage. The cottonseed hulls or the wheat straws or the straws or the corncob and the dry fowl manure are stacked and retted before use; and the culture medium after cultivation of Pleurotus eryngii is subjected to on-the-spot returning treatment. By adoption of the technical proposal, the method can make branched oyster mushrooms organisms well grown, overcome the defect that the prior art has no culture medium specially prepared for branched oyster mushrooms, simplify the production process, shorten the growth period of the Pleurotus eryngii, and improve the bioconversion of the Pleurotus eryngii.

The invention discloses a preparation method of a biological feed additive with nutrition and immunocompetence. The biological feed additive with nutrition and immunocompetence comprises the following components: 0.05 to 0.1% of aerobic bacteria, 0.05 to 0.1% of anaerobic bacteria, 0.3 to 0.5% of fermenting promoter, 5 to 15% of soybean meal, 5 to 10% of molasses, 15 to 25% of DDGS (Distillers Dried Grains with Soluble), 10 to 30% of cassava residue, 20 to 50% of bran meal, 5 to 15% of bran, 5 to 15% of maize cob powder, and 20 to 40% of maize slurry protein. The preparation method comprises the processes of activating bacteria, crushing raw materials, aerobically fermenting for 1 to 2 days, and then anaerobically fermenting for 3 to 7 days. The prepared biological feed additive brings piglet, medium and large pigs and sheep with high nutrition value, is high in palatability, and has effects of accelerating growth, improving intestinal health, controlling diarrhea, controlling constipation of sow, increasing birth weight and weaning weight of the piglet, improving the quality of eggshell and egg yolk, controlling feed-containing faeces, raising the lactation level of dairy cattle, as well as increasing butterfat and protein content.

A method for culturing the Se-enriched edible fungus includes such steps as preparing culture medium from corn cob, straw powder, rice (or wheat) bran, gypsum, magnesium sulfate, zinc sulfate, Se salt and water, loading it in bogs, sealing, sterilizing, inoculating edible fungus spawn, fermenting, culturing mycelia, and spraying Se-enriched nutritive liquid. A method for producing Se-enriched milk by use of the leftover generated by culturing Se-enriched edible fungus features that the leftover is used as the additive of feed for quantitatively feeding the milk cow.

The invention discloses a pleurotus eryngii cultivation method and a cultivation material thereof. The cultivation material comprises the following components in parts by weight: 30 to 40 parts of corncobs or cornstalk, 0 to 60 parts of cotton seed shells, 8 to 10 parts of wheat bran, 5 to 8 parts of kapok seed powder, 5 to 8 parts of cornmeal, 1 to 2 parts of plaster powder and 1 to 3 parts of lime powder. The traditional formula using pure cotton seed shells as the mail materials is changed, and the optimized high-yield formula using the corncobs or cornstalk, kapok seed shells and the like is developed. The invention reduces the production cost, further standardizes the fore treatment of the cultivation material and the reasonable and scientific formula, provides the functions of sterilization and disinfection and obtains high yield and good quality of rare mushrooms through cultivation by using the stalk of crops.

A simple charring furnace for corn cob particles and its charring process are disclosed. Said charring process features that the corn cob particles are dry-distilled and decomposed at 260-450 deg.C in anoxic condition and the quantity of supplied O2 is controlled by the thickness of raw material. The charred particles can be used as the matrix of slow-release compound fertilizer.

The invention relates to an oyster mushroom culture medium and an oyster mushroom culture method using the oyster mushroom culture medium. The oyster mushroom culture medium comprises crab-flavor mushroom fungus chaff, wood scraps, cottonseed hulls, corncobs, bran, quicklime, gypsum and the like. The crab-flavor mushroom fungus chaff, the cottonseed hulls, the corncobs, the wood scraps, the bran and the like are used for preparing the oyster mushroom culture medium, so that environment pollution possibly caused by the materials is solved, various rich nutrients are provided for growth of oyster mushrooms and the yield of the oyster mushrooms in each turn is improved; by the oyster mushroom culture method, the biological efficiency of the oyster mushrooms is 92-98% and the production cost of the oyster mushrooms is reduced; therefore, the oyster mushroom culture medium and the oyster mushroom culture method have very important environment-friendly and economic significance and have a very good application prospect.

The invention relates to a method for preparing sodium lignin sulfonate water reducer. Black liquor which is generated by alkali cooking corncobs, acidolysis residue of the corncobs, bagasse or corn stalks is taken as a raw material, and then the sodium lignin sulfonate water reducer of low water content is prepared after coarse filtration, ultrafiltration membrane concentration, sulfonation and spray drying. Aiming at the characteristics of the raw material, the coarse filtration and ultrafiltration are combined, cellulose, other impurities and the like can be removed by the coarse filtration, lignin can be retained by the ultrafiltration, and the aim of black liquor concentration can be realized at the same time of going through alkali so as to recover and reuse the alkali; the sulfonation method, which can be operated at room temperature and pressure, is adopted, and the sulfonation degree is high. Compared with the existing method, the method for preparing the sodium lignin sulfonate water reducer has no pollution to the environment, the processes are simple and convenient, and the cost is low.

A composite composition which comprises a synthetic polymer, and corncob granules which have been modified, such as with a chemical reacted with the hydroxyl groups on the granules is described. The corncob granules are modified so as to be compatible with the polymer.

The invention relates to a novel process for preparing xylitol, which belongs to the technical field of functional sugar alcohol production. Pre-treatment, hydrolysis, neutralization, decoloring, ion exchange, evaporation and concentration and chromatography are carried out to corncob or bagasse and other agricultural waste which contains hemicellulose, high-content xylose solution is collected and distillated, and then continuously hydrogenated, so that the xylose solution is converted into xylitol solution, and finally a xylitol crystal is obtained through refining, concentration, crystallization, centrifugation and drying; the process comprises: corncob-> pre-treatment->hydrolysis->neutralization and decoloring->ion exchange->evaporation and concentration->chromatography->high-content xylose solution collection and distillation-> hydrogenatio->refining->concentration->crystallization->centrifugation->drying->finished crystal xylitol product obtaining. The novel process for preparing xylitol saves a xylose crystallization procedure and a conversion process xylose crystal into sugar, shortens a production procedure, adopts a chromatography technology to improve the content of thexylose solution, facilitates the obtaining of high-content xylitol solution after hydrogenation can prepare the high-grade xylitol product, adopts a continuous hydrogenation process, improves the hydrogenation efficiency, reduces the labor intensity of a worker, and saves the production cost.

The invention discloses a biological pesticidal organic fertilizer and a preparation method thereof. The biological pesticidal organic fertilizer is prepared from the following raw materials in parts by weight: 40-50 parts of pig manure, 20-30 parts of tea seed pulp, 10-15 parts of coffee grounds, 8-12 parts of paulownia sawdust, 5-10 parts of phosphogypsum, 4-8 parts of corn cob, 5-10 parts of pepper seed cake, 10-15 parts of mushroom dreg, 8-12 parts of wheat bran, 15-20 parts of bentonite, 10-15 parts of opoka, 2-3 parts of ferrous sulfate, 1-2 parts of manganese sulfate, 3-5 parts of humic acid, 1-2 parts of chinese tallow tree root and bark, 2-3 parts of sophora alopecuroides, 1-2 parts of stemona, 1-3 parts of Artemisia annua, 1.5-2.5 parts of ailanthus leaf, 2-3 parts of derris and 1-2 parts of Radix Euphorbiae Ebractealatae. The organic fertilizer disclosed by the invention has multiple effects of providing nutrients, improving the soil structure, preventing and treating pests and diseases and the like, can promote the crops to quickly grow, enhances the stress tolerance of the crops, can have favorable preventing and treating effects on nematodes and soil insects, reduces or avoids use of chemical pesticides, enhances the soil fertility, regulates the ecological equilibrium of soil, improves the quality of agricultural products, has no chemical residues, and implements yield increase and income increase of agricultural products.

The invention discloses a composite biological activated carbon and a rapid preparation method thereof, raw materials thereof comprise coconut shell, bamboo, rice hull, sawdust, wheat straw or rice straw, or the raw materials thereof comprise the rice hull, the sawdust, the wheat straw or the rice straw, corn stalk or corn core, the raw materials are smashed to prepare columnar granules, the direct heating method of the spontaneous combustion type granules is adopted for preparing the carbon, a fixed layer is paved at the bottom of a furnace by taking the granules as the raw materials, the fixed layer is ignited by using ignition materials, the feeding is adopted at the upper part of the furnace and the air induction is carried out at the lower part of the furnace for accelerating carbonization of the granules, the air induction is stopped after the carbonization of the granules, the temperature in the furnace is kept at 430-700 DEG C, the spray cooling method is adopted for activatingand cooling the granular carbon, and a finished product is prepared after 20-30 minutes. A plurality of raw materials are mixed, and more pores are naturally formed, thereby expanding the specific surface area of the carbon, greatly increasing effective micropores, leading the absorption performance to be greatly better than the existing activated carbon of single material and reflecting the unique advantages of the composite material.

The invention relates to the field of agricultural chemistry, in particular relates to a carbon-based controlled-release fertilizer special for potato and a preparation method thereof. The environment-friendly efficient carbon-based controlled-release fertilizer special for the potato is a long-acting granular-carbon-based compound fertilizer which is prepared from waste agriculture and forestry biomasses such as corn core, peanut shell, rice shell, edible fungi substrate and the like, wherein the biological granular carbon is black carbon powder granules (carbon black) which is formed by imperfect combustion of biomasses under anaerobic condition and has various features similar to those of soil humus (acid); and the biological granular carbon has strong capabilities of absorbing and retaining nutrition and moisture, can stimulate growth of crops and has good controlled-release effect on NPK, thus the prepared controlled-release fertilizer only needs to be applied once in the full growth and development period of potatoes, has the characteristics of increasing soil fertility, improving soil structure and the like, is efficient and environment-friendly, and has a wide application prospect.

The invention relates to an oyster mushroom growing medium by the utilization of herb residue and biogas residue, and a preparation method thereof. The components of the growing medium are: herb residue, biogas residue, lime powder, gesso, urea, calcium superphosphate, and wheat bran. By combining biogas residue with herb residue, and complementing proper auxiliary materials, the invention ensures that the medium nutrient is complementary to the granule size, thus hitting the target of normal bacteria growing, normal mushroom growing, and stable production without the addition of other raw materials. The invention also provides a method for preparing the growing medium. The cost of the oyster mushroom growing medium is 80 percent lower than that of cottonseed shell raw material and around 60 percent lower than that of straw materials such as corn cob. Usually, the biological efficiency is about 120 percent.

The invention discloses a corncob-based porous carbon material, and a preparation method and application thereof, belonging to the field of material science. The preparation method comprises the following steps: (1) washing, drying and crushing corncobs; (2) activating the crushed corncobs in an aqueous solution of an activator and then taking out the corncobs for drying; and (3) subjecting the dried corncobs to high-temperature carbonization in an inert gas atmosphere, washing a carbonization product with acid at first and then with water until the carbonization product is neutral and drying the washed product so as to obtain the corncob-based porous carbon material. According to the invention, the corncob-based porous carbon material is directly prepared through one-step carborization; the preparation method is simple and cheap and provides reference to mass preparation of biomass and porous carbon materials; and the prepared corncob-based porous carbon material has excellent performance and a wide application scope, can be used as an electrode of a supercapacitor, has great capacity and good stability and realizes high-efficiency utilization of biomass resources.

The invention discloses a biomass carbon catalyst and a preparation method and application thereof. The precursor of the catalyst comprises biomass and metal salts, wherein the biomass includes one or more of maize straw, corncob, rice straw, cotton straw, peanut straw, peanut shell, wheat hull, rice hull, wood, sawdust, bamboo wood and weed. Through controlling addition of metal salts in different amounts, adjusting impregnation concentration of the precursor and reaction ambient and carbonization and nitriding treatment temperatures, the biomass carbon catalyst with controllable and adjustable pore structure and specific surface area can be prepared. When used as a fuel battery cathode catalyst, the biomass carbon catalyst shows excellent oxygen reduction reaction activity and stability. The preparation process is simple in flow, short in period and free of environment, provides a novel high-value-added resource recycling way for waste biomass and has dual effects of biomass disposal and energy and power generation.

The invention discloses a toadstool substrate and the cultivation technology of the toadstool substrate. A formula of the toadstool substrate is characterized in that 60% of cottonseed hull, 10% of wheat bran, 10% of corncob, 10% of peony root, 5% of apple branch, 1% of glucose, 2% of gypsum and 2% of light calcium carbonate are contained in per 100 kilograms of drying materials, wherein the corncobs, the apple branches and the peony roots are broken to form particles with the diameters of 0.2-0.5 centimeters, and the particles are used after being stored for one year. Multiple changes are carried out on the basis of the original toadstool cultivation technology, the raw materials of the peony roots with special effects are added in the formula, breakthrough technological means are additionally used in technical processing, and the technological means include the steps of (1) finding a symbiotic relationship with the peony roots and adding a defined amount of the peony root particles in the formula, (2) conducting submersible soaking on toadstool outlet fields in good time in the cultivation process, and (3) using a principle for transfusion for people, and providing 10 DEG C-22 DEG C clear water for toadstool primordia. The toadstool cultivation technology is greatly broken through, and a cultivation living example can be used for providing certifications.

The present invention provides a formula of high-yield flammulina velutipes culture medium and a producing technique thereof. The invention relates to the technical filed of biological strain, and specially to the formula of high-yield flammulina velutipes culture medium and producing technique thereof. The corncob is used as main ingredient for replacing fir sawdust. The invention adopts 40-45% of corncob, 10-12% of bagasse, 25-30% of rice bran, 8-10% of bran, 4-6% of soybean hull and 2-3% of corn flour as the raw materials of flammulina velutipes culture medium. The method comprises the techniques of dry mixing, wet mixing, etc. The pH value is controlled between 7.0 and 7.5. The cultured flammulina velutipes has the advantages of strong activity of mycelium, high production volume, ordered mushroom generation, excellent commodity valve, ordered growing of sporphore, uniform magnitude of bonnet, white color, and no infection of foreign fungus. The unit production obtains 286-293grams / bottle. The dry object of each bottle is 260grams. The biological transformation efficiency reaches up to 110-113% and is increased for 30-40% compared with the common formula. The economic benefit is excellent.

The invention discloses a mutton sheep forage and a preparation method thereof. The mutton sheep forage is composed of the following raw materials, by weight, 55-65 parts of soybean straw, 30-40 parts of Gaodan grass, 20-30 parts of elm tree leaf, 15-20 parts of peanut vine, 10-15 parts of a traditional Chinese medicinal residue, 5-10 parts of fried rice flour, 10-20 parts of distillers' grain, 1-2 parts of a starter, 45-55 parts of corncob, 20-30 parts of wheat bran, 15-20 parts of rice bran, 5-7 parts of a lyophilized powder additive, 4-6 parts of chalk powder, 5-10 parts of kaolin, 3-5 parts of soybean oil, 2-4 parts of sodium alginate, 0.5-1 part of calcium hydrogen phosphate, 0.01-0.02 parts of potassium iodate and 0.3-0.5 parts of salt. The forage contains all nutrition required by the growth of mutton sheep, guarantees the healthy production of the mutton sheep, provides healthcare values, and raises the growth speed of the mutton sheep.

The invention relates to a pholiota nameko culture method, which comprises the steps of: culture material proportioning and preparation, sterilization, inoculation and bagging, mycelium culture, summer-crossing management and primordium inducement fruiting. The pholiota nameko culture materials comprise the following recipe and mixture ratios: 30 to 50 parts of corncobs, 30 to 50 parts of soft mixed hardwood sawdust, 10 to 20 parts of bran, 2 to 4 parts of corn starch, 0.5 to 1.5 parts of gypsum and 0.5 to 1.5 parts of lime. The culture raw materials adopt the corncobs and the soft mixed hardwood sawdust as major materials, a good basis is laid for the smooth implementation of the Natural Forest Protection Projects and the pholiota nameko planting in flat areas, planting trays are omitted, the culture cost can be saved by 15 percent, the culture process is simple and is easy to implement, the work efficiency is improved, the edge fruiting effect of the pholiota nameko bag type culture is improved by 30 percent through being compared with that of the disc type culture, the edge fruiting effect of the edible fungi is sufficiently utilized, the yield can be improved by more than 10 percent, and the high-quality fruiting rate is improved by more than 40 percent.

The invention discloses a method of one-step synthesizing fluorescent carbon dots with corncobs as a carbon source and belongs to the technical field of synthesis of fluorescent carbon dots. In the technical scheme, the method of one-step synthesizing the fluorescent carbon dots with the corncobs as the carbon source includes the following steps: mixing pre-treated corncobs, ethanediamine and deionized water uniformly, and performing heating reaction to prepare the fluorescent carbon dots through hydrothermal method, microwave method and ultrasound method; or directly calcining the pre-treated corncobs to obtain the fluorescent carbon dots. The raw materials are easy to obtain. The method is simple in processes, is mild in reaction conditions, is simple in operation and is free of toxic reagents. The fluorescent carbon dots can not only be used as a fluorescent probe to detect substance content but also be used in the researching fields of bio-markers, bio-imaging, photo-catalysis, photo-electronic devices, bio-sensors and the like.

The invention provides a method for using raw material to cultivate morchella. Specifically, a mushroom house with 30% of sunny areas and 70% of sunless areas can be built on the place where soil properties are loose and moist and water is discharged well; corncobs, bits of wood, bran, chaff, bean flour, plant ash, phosphatic fertilizer, gypsum and sugar are utilized as the raw material; cultivation pits are dug in the mushroom house, two layers of the material are laid in each cultivation pit, two layers of strain are scattered in each cultivation pit, and soil covering is conducted; finally, air humidity in the mushroom house keeps ranging from 85% to 95%, temperature ranges from 5 DEG C to 16 DEG C, and sporocarps can be formed in about one mouth in the environment. By means of the method, the defect that mass commercialization artificial cultivation of the morchella is not achieved so far is overcome effectively. Meanwhile, the produced morchella is cultivated in a wild imitating mode, and therefore entities of the morchella are excellent. In addition, when the method is implemented, the raw material is directly used for cultivation, the production process does not have the procedures of bagging, sterilizing and disinfecting, time and labor are saved, and work efficiency is greatly improved.

The invention relates to a production method of straw feed, comprising the following steps: 1) smashing straw into particle materials; 2) carrying out ammoniation treatment on part of the straw particles with ammonia water or urea solution to obtain ammoniated straw; 3) adding plant lactic acid bacteria to the part of straw particle material for silage treatment so as to obtain silage straw; 4) adding water to uniformly mix the part of ammoniated straw with corncob particle, adding lactic acid or acetum to regulate the pH to 5-6, adding zymophyte solvent and uniformly mixing, and carrying out fermentation to obtain a straw degeneration enzyme strain; 5) uniformly mixing the ammoniated straw, the silage straw and the straw degeneration enzyme strain, adding a zymophyte solution, and carrying out fermentation to obtain a water-containing straw yeast; and 6) drying or pelleting the yeast to obtain the straw feed. The production method has the advantages that high-efficient fiber lignin degradation bacterium is adopted to produce the straw degeneration enzyme strain, and the degeneration efficiency and the nutrient content in feed are improved; equipment needed for material fermentation is simple, the operation is simple and convenient, and the cost for producing feed is lowered.