38results about How to "Abundant and easy to get resources" patented technology

The invention discloses a nitrogen-doped porous carbon ball/manganic manganous oxide nanometer composite electrode material and a preparation method thereof. The preparation method comprises that chitosan and its derivative as carbon source and nitrogen source predecessors and porous silica as a hard template are carbonized, then silica is removed so that nitrogen-doped porous carbon balls are obtained, manganic manganous oxide nanometer particles grow on the nitrogen-doped porous carbon balls by a mild solvothermal method, and the nitrogen-doped porous carbon balls with the manganic manganous oxide nanometer particles are subjected to centrifugation washing and drying so that the nitrogen-doped porous carbon ball/manganic manganous oxide nanometer composite electrode material is obtained. The prepared material as a lithium ion battery negative electrode material has a high reversible specific capacity, good cycling stability and excellent multiplying power discharge performances. The preparation method can be operated easily, has mild preparation conditions and no harsh requirement on equipment and is suitable for industrial production. The nitrogen-doped porous carbon ball/manganic manganous oxide nanometer composite electrode material has a wide application prospect in the electrochemistry fields of high performance lithium ion batteries and super capacitors.

The invention discloses a preparation method of a ceramic reinforced metal-based composite material. The method comprises the following steps: mixing fused alumina zirconia powder, water and an additive to prepare ceramic size; adding organic foam beads to uniformly mix with the ceramic size; pouring into a die cavity; drying to obtain a foamed ceramics precursor; sintering the foamed ceramic precursor to remove organic foam beads; plating nickel on the surface; transferring to cast; pouring liquid metal; cooling and solidifying; and then thermally processing to obtain the ceramic reinforced metal-based composite material. With the adoption of the preparation method of the ceramic reinforced metal-based composite material, the problems of low combining intensity of the ceramic particles and a metal interface and small volume fraction of ceramic reinforcing phase are solved; the content of the ceramic reinforcing phase reaches 10 to 40%; the preparation speed is fast; the substrate material resource is rich and easy to be obtained, and thus the cost is obviously decreased; in addition, the composite material preparation process and device are simple, the cost is small, and industrial production and popularization and application can be performed conveniently.

A process for preparing the active components of rape melissa powder includes pulverizing or wall-breaking, extracting in alcohol or propanol, concentrating the liquid extract, immersing the dregs in solvent, evaporating solvent, extracting in water, concentrating the liquid extract, dissolving liposoluble extract in alcohol, concentrating, drying to obtain water-soluble active components, mixing them together, and shaping.

The present invention discloses a method for preparing the nano-crystalline cellulose of a flexible screen matrix material. According to the preparation method, the bagasse unbleached pulp and the chitosan are adopted as raw materials. The bagasse unbleached pulp is dissolved and dispersed in water to prepare a suspension liquid. A mixed acid is then added in the suspension liquid. After the reaction process, a high-crystallinity suspension liquid is prepared. After the centrifugation process, solid matters are washed, and then are processed by a high-pressure ultrasonic homogenizer to obtain a nano-crystalline cellulose crystal suspension slurry. The potassium periodate is added into the suspension slurry for oxidation treatment to obtain a modified nano-crystalline cellulose suspension slurry. The chitosan material is treated with acetic acid at a low temperature to prepare a chitosan saturated solution. After the ultrasonic atomization freezing treatment, the nano-scale chitosan is prepared. The nano-scale chitosan and the modified nano-crystalline cellulose suspension slurry are subjected to the mixed crosslinking treatment to prepare the composite nano-crystalline cellulose. The two materials of the method, namely the bagasse unbleached pulp and the chitosan, are abundant, easy to obtain and good in biodegradability. Therefore, the environmental protection and the waste treatment are facilitated. The prepared composite nano-crystalline cellulose can be used for manufacturing the flexible screen matrix material.

The invention discloses a comprehensive energy-saving beneficiating method and device of scale feeding of laying hens. The method and device aim to overcome the defects that building costs of existing laying henhouses are high, the thermal insulation effect is poor, energy consumption is high, feeding cost is high, the environment of the henhouses is deteriorated, pollution is serious, and epidemic prevention is not facilitated. According to the method and device, the roof and wall of a laying henhouse are made of composite boards which are prefabricated integrally, the middle of each composite board is a foam plastic core board, and the outside of each composite board is a surface board composed of magnesium materials and glass fibers in a composite mode; the roof of the laying henhouse is provided with an intelligent air exchange device, the wall feet of the laying henhouse are provided with air doors, and the air doors are communicated with an underground channel and controlled by the intelligent air exchange device; an upper cover is arranged so that a chicken manure septic tank can be opened or sealed, and the chicken manure septic tank is connected with a manure collecting mechanism and a chicken manure processing device outside the laying henhouse respectively through conveying mechanisms, and the manure collecting mechanism is arranged in the laying henhouse. The method and device are used for scale feeding of the laying hens, energy is saved by more than 20%, environment pollution of scale feeding of the laying hens is effectively controlled, and comprehensive benefits of scale feeding of the laying hens are improved by more than 35%.

The invention provides a traditional Chinese medicine for treating vulvar leukoplakia and a preparation method thereof and belongs to the field of traditional Chinese medicine preparation techniques. The traditional Chinese medicine is prepared by using natural Chinese herbal medicines as raw material. The traditional Chinese medicine is characterized by comprising 30g of sophora flavescens, 30g of common cnidium fruit, 30g of rhizoma atractylodis, 20g of belvedere fruit, 20g of folium isatidis, 20g of astragalus membranaceus, 20g of blackberrylily rhizome, 20g of angelica, 20g of salvia miltiorrhiza, and 20g of schizonepeta. The preparation method includes: well mixing the Chinese herbal medicines according to a weight ratio, grinding into powder of 1-100 micrometers and packing with 10g per bag. Application of the traditional Chinese medicine includes: taking 10g to put into a cup, soaking with boiled water for 10 minutes, pouring into a basin, adding 1500ml warm water at 35-40 DEG C, hip bathing for 10-15 minutes, wetting gauze with the medicine for partial hot applying for 10-15 minutes, and slowly rubbing. The traditional Chinese medicine is applied 1-2 times a day for four weeks as a treatment course. Two treatment courses are needed to treat the vulvar leukoplakia. The traditional Chinese medicine for treating vulvar leukoplakia has the functions of clearing heat and itching relieving, promoting blood circulation to remove blood stasis and antisepsis and anti-inflammation; is convenient to prepare and use, lasting in medicine effect, free of side effects; and has rich raw material source, and is ideal therapeutic for treating vulvar leukoplakia.

The invention brings forward a production technology and a method for preparing lump coal by the use of coal dust and river mud. The scheme comprises the following steps: firstly screening raw coal with less than 6% of water content so as to obtain coal dust with granularity of being less than 3mm, naturally drying, stoving, crushing and sieving river mud dug out from a river to obtain a dry river mud powder with granularity of less than 3mm, putting the coal dust and the dry river mud powder into a drum-type mixer and stirring while adding 12% of water, pouring into a roller with a hopper after uniformly stirring so as to prepare wet lump coal, putting the prepared wet lump coal into a chain-belt drying baker and drying to obtain dry lump coal which can be directly used in a boiler as fire coal for combustion, wherein the addition amount of the dry river mud powder is controlled within 30%. The invention has the following beneficial effects: raw material resources for the production are rich, easily available and inexhaustible; production cost is low; the production technology is simple; and the product produced in the invention can be used for normal combustion in a boiler.

The invention discloses a method for preparing a flexible screen substrate material.The method comprises the steps that bagasse bleaching pulp and chitosan are selected and used as raw materials, the bagasse bleaching pulp is modified through a chemical method to be prepared into dialdehyde nanometer cellulose suspension liquid, and meanwhile chitosan is prepared into nanoscale chitosan; the dialdehyde nanometer cellulose and the nanoscale chitosan are crosslinked by using sodium persulfate as an initiating agent, the chemical bond combining mode of the dialdehyde nanometer cellulose and the nanoscale chitosan is modified, and then modified nanometer cellulose is obtained; the modified nanometer cellulose and acrylic resin are composited into a film, and then a substrate material used for preparing a flexible screen is obtained.The method has the advantages that the flexible screen substrate material has the high transparency and surface smoothness and the good light permeability and comfortableness, the influence by temperature fluctuation in use is little, and the flexibility is good; the raw material resources are rich and easy to obtain and have the good biological degradability, and therefore the method is beneficial for environmental protection and waste treatment.

The invention discloses an extraction method of natural components in plants, and belongs to the technical fields of bio-energy and resource recycling. Seeds, flower and fruits of oil-containing cropsare used as raw materials, after conventional treatment is conducted, extraction is conducted by means of an extraction agent to obtain mixed oil, a phase separation switch is added into the mixed oil, the extraction agent is separated out, and the natural components are extracted. According to the extraction method of the natural components in the plants, the extraction technology is simple andeasy to implement, and the extraction method of the natural components in the plants aims to solve the problems of low yields of natural components in plants, and high energy consumption and a low recovery rate of extraction agent recovery in a production process.

The invention relates to a novel cement clinker preparation method, which comprises: S01, obtaining raw materials, wherein the raw materials comprise dolomite, clay and a mineralizing agent; S02, grinding and mixing the raw materials to obtain a mixture I; S03, putting the mixture I into calcining equipment for calcining at the temperature of 800-1200 DEG C, and conducting heat preservation for 1-3 hours; and S04, after calcining is finished, conducting cooling and grinding, so as to obtain the cement clinker. The cement clinker mainly contains low-heat-release C2S and MgO minerals with an expansion effect, and shrinkage of cement is compensated by micro-expansion generated after hydration of the cement clinker.

The invention relates to the technical field of agricultural fertilizers and particularly relates to a regulation and control agent for overcoming continuous cropping obstacles of a corn field. The regulation and control agent comprises the following raw materials in parts by weight: 39-42 parts of copper acetate, 26-28 parts of special fertilizer, 19-21 parts of thiophanate methyl, 5-6 parts of streptomycin sulfate, 3-5 parts of rooting powder and 1-2 parts of cytokinin, wherein the special fertilizer comprises the following raw materials in parts by weight: 40-44 parts of urea, 30-32 parts of monoammonium phosphate, 16-18 parts of potassium sulfate, 2-3 parts of zinc sulfate, 1-2 parts of ammonium molybdate, 0.3-0.5 part of boric acid and 0.3-0.5 part of industrial citric acid. The invention further relates to a preparation method of the regulation and control agent. According to the regulation and control agent disclosed by the invention, the difficult problems of long continuous cropping year limit of the corn field for seeds, nutritional imbalance, serious soil-borne diseases, decline in quality and yield of corns for seeds and the like are overcome.

The invention relates to a pharmaceutical composition and application thereof in preparing a medicament for treating stroke. The pharmaceutical composition consists of the following raw materials in parts by weight: panax notoginseng saponins 1-5 parts, safflower flower extract 10-30 parts, kudzuvine root extract 15-60 parts, ligusticum wallichii extract 10-40 parts, and hawthorn fruit extract 20-45 parts. The pharmaceutical composition is prepared by respectively subjecting safflower flower, kudzuvine root, ligusticum wallichii and hawthorn fruit to extracting, performing separating and purifying to obtain corresponding extracts, and uniformly mixing the extracts with the panax notoginseng saponins. The pharmaceutical composition has excellent solubility and drug-forming properties, is easy to absorb and has rapid onset of action.

The present invention provides a kind of eggplant root extract, which is the effective parts of eggplant root and is a kind of acid matter. The eggplant root extract has in its HPLC fingerprint two obvious characteristic peaks, Y1 peak with maintaining time of 16.9+/-1.0 min and Y2 peak with maintaining time of 18.7+/-1.0 min. The present invention also provides the preparation process and use of the eggplant root extract. The eggplant root extract of the present invention has antiphlogistic and antiseptic functions and is used in treating periodontitis with determined curative effect, less side effect and low cost.