112results about How to "Reduced content" patented technology

The invention discloses a semiconductor polymer taking compound graphene/carbon black as a conductive medium and a preparation method. The semiconductor polymer comprises the following raw materials in percentage by weight: 60-70% of an ethylene-vinyl acetate copolymer, 1-3% of a graphene/polyaniline compound, 10-15% of inorganic filler, 15-20% of carbon black and 1-1.4% of a crosslinking agent. The preparation method comprises the following steps: (1) dispersing the graphene/polyaniline compound in an organic solvent, then mixing the mixture with the inorganic filler, and filtering and drying the mixture to obtain a filler compound; and (2) melting and blending the obtained filler compound with other components or mixing the same in the solvent, then removing the solvent, and performing thermal pressing to obtain the semiconductor polymer. According to the invention, polyaniline is polymerized to the surface of graphene in situ by means of a conjugate action of a benzene ring and graphene, so that the intact conjugate structure of graphene is kept; by compounded use with the inorganic filler and carbon black, the agglomeration problem when the graphene and the polymer is mixed is effectively solved, and meanwhile, the dosage of carbon black is reduced.

The invention provides dandruff removal shampoo. The dandruff removal shampoo comprises Chinese herbal medicine extract, shampoo base materials, essence and preservatives. The Chinese herbal medicine extract comprises, by weight, 20-30 parts of Chinese arborvitae twig extract, 10-15 parts of peppermint extract, 10-20 parts of ipomoea cairica extract, 12-18 parts of radix isatidis extract, 8-15 parts of aloe extract, 10-18 parts of green tea extract, 6-12 parts of onion extract, 6-12 parts of lemon extract, 5-8 parts of mulberry extract and 2-10 parts of polygonum multiflorum and ginseng joint extract which are mixed with one another to obtain the Chinese herbal medicine extract; the shampoo base materials comprise, by weight, 40-50 parts of sodium dodecyl sulfate, 40-60 parts of water, 5-10 parts of cocamides and 2-4 parts of guar gum hydroxypropyl trimethyl ammonium chloride. The invention further provides a method for manufacturing the dandruff removal shampoo. The dandruff removal shampoo and the method have the advantages that dandruff can be effectively removed by the dandruff removal shampoo manufactured by the aid of the method, the blood circulation of the scalp of users can be promoted, grease of the scalp can be removed, growth of bacteria of the scalp can be inhibited, and grease secretion of the scalp can be balanced by means of replenishing moisture to the scalp.

The invention discloses a method for reducing ash content of notoginseng polysaccharide and improving yield and purity thereof. The method regards notoginseng as a raw material and obtains the notoginseng polysaccharide of low ash by exacting, clearing, deionizing, sedimenting and drying, which is capable of effectively reducing the ash of notoginseng polysaccharide to below 1%, improving the yield for more than 5% and improving the content for more than 70%. The method for reducing ash content of notoginseng polysaccharide disclosed by the invention has the advantages of greatly reducing the content of ash and heavy metal, preventing the ion exchange resin from poisoning, reducing pressure of ion exchange resin, improving efficiency of ion exchange resin, improving product quality and providing advantageous security for production and application of notoginseng polysaccharide.

The invention discloses a synergic weeding composition containing clopyralid and fluroxypyr and application thereof. The main active ingredients of the weeding composition are the clopyralid and the fluroxypyr in a mass ratio of 1-80:1-80. The synergic weeding composition is used for post-emergence weeding in a corn field, and particularly has obvious effect when used for preventing and killing various broadleaf weeds in the corn field. Compared with the single clopyralid or fluroxypyr, the weeding composition delays the resistance of the weeds, has a wide weeding spectrum and long effective duration, and is safe for corn and aftercrop on the premise of improving herbicide effect.

The invention discloses a mink tanning process. The mink tanning process comprises the following steps of 1, mink washing, 2, sawdust rolling and degreasing, 3, circularly knifing, 4, oil pulling, 5, degreasing, 6, rinsing, 7, pickling and softening, 8, tanning, 9, rolling and drying; 10, oil feeding, 11, mink kicking, 12, oil rolling of sawdust, and 13, width stretching, elongating, powder kicking, width stretching, shaving, dry cleaning and arranging. According to the mink tanning process, energy conservation and environment protection are achieved, and the manufacturing cost is reduced.

The invention discloses a novel anti-coking intelligent efficient biomass heating furnace. The novel anti-coking intelligent efficient biomass heating furnace comprises a feed ignition device, a multi-chamber partition combustion chamber, a hot water output circulating device, a flame smoke aftertreatment device, a dynamic combustion deslagging transmission device, an intelligent control device and a maintenance device. The core of the novel anti-coking intelligent efficient biomass heating furnace is a three-chamber four-area segmentation gradual combustion chamber, and an auger and rake tooth whole-process dynamic structure is used for replacing a movable fire grate, so that the combustion efficiency is improved, and coking and slagging are prevented. A front-blowing back-leading micro-negative-pressure two-way ternary air distribution system is adopted. In addition, a high-temperature area of the heating furnace adopts an all water jacket structure; external heating output of circulating water is realized through smoke-water reverse heat exchange; operations are simplified through intelligent control and introduction of an automatic ignition system; and the heating furnace is excellent in fuel applicability and operation convenience, is dispersed heating equipment with cleanness, high efficiency, energy conservation and environmental protection, provides excellent heating solution schemes for national new urbanization, and is prominent in anticipant economy and social benefit.

The invention relates to an alginic acid radical biomaterial with a developing function and a preparation method thereof. The alginic acid radical biomaterial is prepared from a group A, a group B, agroup C and the balance injection water, wherein the group A includes water-soluble alginate, and the content of the alginate in the alginic acid radical biomaterial is 0.1-10% (g/ml); the group B includes a cross-linking agent containing divalent or polyvalent metal cations, and the content of the cross-linking agent in the alginic acid radical biomaterial is 0.1-10% (g/ml); the group C includesa developing agent, the developing agent is a liquid agent or powdery agent with the developing function for medical use, and the content of the developing agent in the alginic acid radical biomaterial is 0.001-260% (g/ml). The biomaterial provides convenience for adopting a minimally invasive blood vessel interventional operation for injection and implantation, the mechanical supporting performance is uniform and stable, clinically required key performance indexes, such as a gelatinization process and mechanical supporting performance, can be adjusted and controlled by means of premixing andother various measures, and therefore sufficient mechanical supporting efficacy is achieved. The histocompatibility is high, the operation difficulty of the operation is low, the application range iswide, the risk is small, and the safety effectiveness is high.

The invention relates to a pyrolysis method for low-rank coal or oil shale with higher tar yield, and is suitable for a heat upgrading process of a low-rank coal moving bed with the purpose of obtaining high-yield tar. The method is a gas heat carrier technology, high-temperature gas flows to the cold end of a collection chamber from a combustion chamber at the hot end of a carbonization chamber by traversing a coal material, quick gas-solid heat exchange between hot carrier gas and the coal material is performed, and the coal material is heated to perform low-temperature pyrolysis. A gas-oil mixture generated by pyrolysis, together with the hot carrier gas, is introduced by the collection chamber at the cold end of the carbonization chamber. The pyrolysis method is characterized in that oil gas and a hot carrier generated by pyrolysis quickly pass through the coal material with the average radial temperature gradient of 600 DEG C/m, and flow to a low-temperature area from a high-temperature area, so that obvious secondary splitting is avoided in time. On the other hand, the method adopts the gas hot carrier to radially penetrate a coal layer, and heat is transferred to the internal coal material at a short transverse distance by the hot carrier, so that the material layer resistance can be obviously reduced, pulverization and semi-coke bringing is reduced, and the heat transfer efficiency is improved.

The invention provides a preparation method of an anti-ferroelectric poly(vinylidene fluoride-trifluoroethylene-chlorotrifluoroethylene) grafted polymer. The preparation method takes N-methyl pyrrolidone and the like as a solvent, cuprous chloride, 2,2-dipyridine, copper and the like as a catalysis system, poly(vinylidene fluoride-trifluoroethylene-chlorotrifluoroethylene) (P(VDF-TrFE-CTFE)) as polymer raw materials, and methyl methacrylate, styrene, acrylonitrile and the like as grafting monomers; after the materials are stirred to react for certain time under the condition of raising the temperature by sections, grafted polymers including P(VDF-TrFE-CTFE)-g-P(St-MMA) and the like are synthesized. The method provided by the invention is simple to operate and easy to control; the use amount of a catalyst is low and a high-purity target product is easy to obtain; the method has a good industrial application prospect.

The invention discloses an energy-saving and environment-friendly flue gas denitrification device and belongs to the technical field of flue gas denitrification. The energy-saving and environment-friendly flue gas denitrification device comprises a body, wherein a gas inlet pipe is arranged at the left side of the top of the body; a filtering layer is arranged in an inner cavity of the gas inlet pipe; spraying nozzles are uniformly arranged at the bottom of a liquid collection box; a catalysis layer is located just below the spraying nozzles; S-shaped circulation pipelines are uniformly formedin the inner cavity of the catalysis layer; a liquid suction pump is arranged at the left side of the bottom of an inner cavity of the body; a left-side outlet of the liquid suction pump extends to aleft-side outer wall of the body and is connected with a refluxing pipe; a discharging opening is formed in a right-side outer wall of the body; a valve is mounted on the discharging opening; flue gas is filtered through the filtering layer in the device and a condition that the device is blocked when large-particle dust enters the device is avoided; a reactant and flue gas are mixed completely through rotating a stirring blade, and the S-shaped circulation pipelines arranged in the inner cavity of the catalysis layer enable a mixture and the catalysis layer to be in contact for longer time,and furthermore, the flue gas denitrification efficiency is improved.

The invention relates to a method for preparing prostate cancer antigen immunochromatography test paper based on a hydrophobin high-efficiency fixed low-concentration antibody. As exogenous biomolecules can be subjected to oriented immobilization of type-II hydrophobin, antibodies sprayed to a test paper nitrocellulose membrane can be arranged in an oriented manner, the 'Fab' ends of the antibodies are sufficiently exposed, the utilization rate of an antibody active site can be increased, the detection sensitivity can be improved, the amount of the antibodies can be reduced, the detection cost can be lowered, the nitrocellulose membrane is modified by using the hydrophobin, novel immunochromatography test paper based on the hydrophobin high-efficiency fixed low-concentration antibody can be prepared, the test paper comprises a sample pad and two conjugate pads, a detection line, the nitrocellulose membrane with the detection line and a quality control line antibody, an absorption pad and a bottom plate are simultaneously modified with the hydrophobin, and the method is a novel technique applicable to tumor marker detection.

The invention belongs to the field of pesticides, and discloses a herbicidal composition containing clopyralid and tribenuron-methyl and application thereof. The main active ingredients of the herbicidal composition are clopyralid and tribenuron-methyl in a mass ratio of 1-80:1-80, wherein the clopyralid and the tribenuron-methyl account for 1 to 85 percent of the total mass of the herbicidal composition. The herbicidal composition can be used for preparing herbicides for controlling post-emergence weeds in a wheat field, and particularly has an obvious effect when used for preparing herbicides for controlling various broadleaf weeds in the wheat field. Compared with single-component herbicide, the herbicidal composition delays the resistance of the weeds, has a broad herbicidal spectrum and acts for a long time on the premise of improving herbicide effect, and is safe for wheat and afterculture crops.

The invention discloses a preparation method of a silver-copper-oxide electrical contact material, which comprises the following steps: 1 weighing oxide powder and abrading-ball respectively and processing the weighed oxide powder through the high energy ball milling method to obtain a nanometer level oxide powder; 2 mixing a silver powder, a copper powder and a nanometer level oxide powder obtained from step 1 to obtain a mixed powder A, and conducting mechanical alloyage surface treatment to the mixed powder A to obtain a mixed powder B; and 3 conducting procedures of annealing, moulding, sintering and extruding to the mixed powder B obtained from step 2 to obtain the silver-copper-oxide electrical contact material. According to the preparation method of the silver-copper-oxide electrical contact material, the cheap metal copper is used to substitute partial precious metals silver; at the same time, oxide is added to prepare the electrical contact material; in this way, not only the preparation cost is low; the obtained electrical contact material has good conductive performance and long service life.

The invention discloses a silver-based circuit board chemically plated with nickel, palladium and gold and a preparation method of the silver-based circuit board. The silver-based circuit board comprises a silver-based substrate, wherein a nickel layer, a palladium layer and a gold layer are sequentially plated on the surface of the silver-based substrate from inside to outside. The preparation method comprises the steps of sequentially carrying out pretreatments of micro etching, acid pickling, pre-pickling, palladium activation and post-pickling on the cleaned silver-based substrate, and then sequentially carrying out chemical nickel plating, chemical palladium plating and chemical gold plating on the pretreated silver-based substrate to obtain the silver-based circuit board with the nickel, palladium and gold plating layers. Compared with the traditional chemical plating of nickel, palladium and gold on a copper-based substrate, the thickness of the nickel, palladium and gold plating layers can be greatly reduced, so that the use content of the metal is saved, and the problem of environmental pollution is avoided; and in addition, the substrate is silver-based, so that the wholecircuit board is higher in electrical conductivity and thermal conductivity, higher in sensitivity, longer in service life, and more excellent in overall performance.

The invention provides applications of a grapefruit extract in preparation of lipid-lowering functional food, healthy food or medicines. The grapefruit extract is prepared by the following steps: performing acetone ultrasonic extraction, rotary evaporation, solid-phase extraction column passing and vacuum drying to freeze-dried powder of extracts of a grapefruit oil gland layer, an albedo layer and a mesocarp layer. The body weight of high-lipid induced fat C57BL/6 mouse can be reduced in vivo through the grapefruit extract, the masses of the liver and adipose tissues can be obviously decreased, the triglyceride, total cholesterol and low-density lipoprotein cholesterol containing in serum can be obviously reduced, and the triglyceride and total cholesterol contained in the liver can be reduced. The grapefruit extract can be used for prevention and treatment of fat metabolism abnormality related diseases as functional food, healthy products or preventive and treatment drugs.

The invention belongs to the field of pesticides, and discloses a herbicide composition containing dithiopyr and fluroxypyr and application thereof. In the herbicide composition, the dithiopyr and the fluroxypyr are taken as main active ingredients, wherein the mass ratio of the dithiopyr to the fluroxypyr is 1-80: 1-80, and the dithiopyr and the fluroxypyr account for 1 to 85 percent of the total mass of the herbicide composition. The herbicide composition can be used for preparing a herbicide for controlling post-emergence weeds in a lawn, has an obvious effect when used for preparing herbicide for controlling pre-emergency weeds in a planted lawn, and is particularly suitable for preparing herbicide for controlling tall fescue and bluegrass in a lawn. Compared with a single-composition herbicide, the herbicide composition postpones the resistance of weeds, has a broad herbicide spectrum and acts for a long time on the premise of improving herbicide effect, and is safe for the lawns and the succeeding crops.

The invention discloses an emulsified waste water treatment oil removing agent and a preparation method and use method thereof. The emulsified waste water treatment oil removing agent is prepared from, by weight, 0.02% to 0.05% of glycerol, 0.06% to 0.08% of poly(diallyldimethylammonium chloride), 0.80% to 1.00% of sodium silicate, 1.00% to 2.00% of magnesium sulfate, 1.00% to 2.00% of aluminum potassium sulfate and 95.89% to 96.10% of water. The content of oil, suspended solids, COD and other pollutants in emulsified waste water treated through the emulsified waste water treatment oil removing agent is greatly reduced, and when the emulsified waste water treatment oil removing agent is used, the feeding quantity is small, and treatment cost is low. Waste oil can be recycled after being treated, the waste water reaches the standard, and benefits can also be created. When the emulsified waste water treatment oil removing agent is applied, equipment modification is very small, investment is small, and the treatment effect is remarkable. The treatment operation is easy, high reliability is achieved, and management is facilitated. The emulsified waste water treatment oil removing agent is free of toxins, harm and secondary pollution, and up-to-standard emissions of the waste water can be ensured. The treatment effect is good in stability, and popularization is facilitated. The application range is wide, the recovery rate of oil products can be increased, the oil content in drained water can be reduced, and stable running of subsequent treatment units is promoted.