112results about How to "Extensive sources" patented technology

The invention relates the natural plant cleaning agent, comprising the following steps: mixing 60-80 parts limonene, 10-20 parts turpentine oil, 10-15 parts methyl ethylene glycol phenyl ether, 5-10 parts terpineol, and 1-3 parts citral to form natural plant solvent; mixing the natural plant solvent and emulsifying agent whose proportion is 1:0.125-0.25 at the 50-80Deg.C and getting the product. The emulsifying agent is polyoxyethylene nonylphenol or sodium dodecylbenzene sulfonate or the mixture of them. The main constituents are extracted by natural plant, such as orange peel and lemon peel. The cleaning agent can substitute the bergol accessory, specially the organic cleaning agent of benzene series chemical materials. The cleaning agent has strong dissolving power, high flash point, high burning point, storage safety, simple technology and easy operation. The raw material is circulating renewable resources, so the cleaning agent is widely used in industry and family.

A driving circuit comprises an input terminal receiving an input of a PWM signal, a first output terminal connected to a main switch for outputting a low-side driving signal, a second output terminal connected to an active switch for outputting a high-side driving signal, a first branch having a voltage level shifting capacitor and a first buffer connected in series between the input terminal and the second output terminal; and a second branch having a delay circuit and a second buffer connected in series between the input terminal and the first output terminal. When the input of the PWM signal turns from a low level to a high level, the voltage level shifting capacitor transmits the input of PWM signal to the first buffer for turning off the active switch and then triggering the second buffer to turn on the main switch with a short time delay.

A driving circuit comprises an input terminal receiving an input of a PWM signal, a first output terminal connected to a main switch for outputting a low-side driving signal, a second output terminal connected to an active switch for outputting a high-side driving signal, a first branch having a voltage level shifting capacitor and a first buffer connected in series between the input terminal and the second output terminal; and a second branch having a delay circuit and a second buffer connected in series between the input terminal and the first output terminal. When the input of the PWM signal turns from a low level to a high level, the voltage level shifting capacitor transmits the input of PWM signal to the first buffer for turning off the active switch and then triggering the second buffer to turn on the main switch with a short time delay.

The invention relates to a microbe organic fertilizer containing chelated microelements and a production method thereof. The fertilizer contains rich antagonistic microbes, i.e. trichoderma harzianum, bacillus subtilis and bacillus thuringiensis, and the chelated microelements with an extremely high chelation rate, and while preventing and treating continuous cropping obstacles and increasing the crop yield, the fertilizer can supply needed microelements to crops. The sources of the materials for the production of the fertilizer are wide and rich, the cost is low, the technique is simple, the product price is low, the fertilizer is highly specific, the market space is large, and the comprehensive cost performance is high. The yield of peanut can be increased by 69.9 percent, soil-borne diseases, such as root rot and rhizoctonia rot, can be reduced by 80.6 percent, and disease-preventing and yield-increasing effects are remarkable.

The invention relates to a degradable material and a preparation method. Biomass resources are used as raw materials, are mixed with auxiliary materials and are placed into a mold to be sterilized, then, microbes are inoculated for culture, and the degradable material can be obtained through drying. The production raw materials of the degradable material have rich sources and low price, no three waste is generated in the production process, and the environment is not polluted. Products produced by using the technical scheme of the invention have the advantages that the weight is light, the pressure-resistance intensity and shock-resistance intensity are good, the damp-proof and mildew-proof effects are realized, in addition, the degradation is easy, the degradable material can be recovered to be used as organic fertilizers after being degraded, and the degradable material is suitable for industrial production.

The invention discloses an O3-type layered positive electrode material of a sodium ion battery and a method for improving the purity of the material through element doping. The positive electrode material is a sodium-based layered metal oxide NaA<x>B<1-x>O<2>, wherein A is a doping metal and is selected from large-ion radius transition metals with electrochemical activity, preferably Cu, Fe, Ni and Cr; and B is selected from transition metals with electrochemical activity, preferably Fe, Co, Ni, Mn, Ti and Cr, and the doping amount of the metal A is more than or equal to 0.05 and less than orequal to 0.5. According to the method, the structure of the layered positive electrode material of the sodium ion battery is regulated and controlled by regulating and controlling the types of dopingmetal elements and doping proportions, and the O3 type positive electrode material with a single structure and excellent performance is finally obtained; the material is prepared through early-stage material mixing, tabletting and high-temperature calcining, the process is simple and easy to operate, and raw materials are rich in source and low in price, so the practical application degree of thepositive electrode material is high; and the positive electrode material provided by the invention can provide a new insight for the optimal design of a layered positive electrode material structure of a high-performance sodium-ion battery, and has wide application prospects.

The invention discloses a layered oxide positive electrode material with excellent air stability and a method for improving the air stability by adjusting the sodium content. The layered oxide positive electrode material is of an O<3> phase, and the chemical formula is Na<x>MeO<>2, wherein Me at least contains one or more elements of Li, Ni, Fe, Co and Mn, x is the stoichiometric number of Na, and x is greater than or equal to 0.93 and less then or equal to 0.95. By reducing the content of sodium ions in the O<3> type layered positive electrode material of the sodium ion battery, enhancing the strength of Na-O bonds, reducing the probability of reaction with the outside, improving the valence state of transition metal ions in the material and improving the oxidation resistance of the material, the electrode material with more excellent air stability is obtained. The preparation method disclosed by the invention is simple and easy to operate, rich in raw materials, low in price and high in practical application degree, so that a new insight is provided for optimization design of the layered positive electrode material of the high-performance sodium-ion battery, and the preparation method has a wide application prospect.

The invention relates to light absorption paint for laser quenching and a preparation method thereof. The invention is characterized in that the light absorption paint for laser quenching is prepared by evenly mixing the following components by weight or volume: 20-30g of SiO2, 2-4g of graphite powder, 8-12g of paint flake and 100-130mL of absolute alcohol. The preparation method comprises the following steps: (1) preparing 20-30g of SiO2, 2-4g of graphite powder, 8-12g of shellac and 100-130mL of absolute alcohol; (2) soaking 8-12g of paint flake in the absolute alcohol until the paint flake is completely dissolved; and (3) adding SiO2 and graphite powder into the absolute alcohol with dissolved paint flake, and evenly mixing. The light absorption paint can obviously increase absorbance and enable the energy density distribution to be more uniform. The invention obviously enhances the quenching hardness, avoids partial burnt phenomenon on the workpiece and increases the hardening layer thickness (up to 1.2-2.0mm). The invention has the advantages of reasonable formula, simple preparation, high safety, environmental protection, simple use and low cost.

The present invention discloses the composition of antioxidant of bamboo leaves (AOB) and its use. The purpose of present invention is to provide a new food additive which is natural, nutritional, and muti-functional, and which is of rich resources, safety, good effect, and low cost. AOB is yellow or brown powders or particles obtained from bamboo leaves, wherein the main antioxidative components include flavones, lactones, phenolic acids. AOB can either inhibit lipid autoxidation chain reaction, or chelate transitional metal ions, and can be used as primary and second antioxidant. AOB can eliminate nitrite and inhibit the synthesis of N-nitrosamine, and has anti-bacteria, bacteriostatic, deodorizing, aroma enhancing etc. functions. AOB can be commonly used in oil-containing food, meat product, fishery product, expanded food etc. food systems.

The invention discloses a preparation method of a biomass hard carbon negative electrode material for a sodium ion battery. The method comprises the following steps: taking one or more of wood, bamboo or camellia oleifera shells as a biomass raw material, immersing the biomass raw material in a sulfuric acid solution, and stirring at room temperature to obtain a suspension; dispersing the suspension in water, filtering and drying to obtain a precursor; heating the precursor under the protection of inert gas, carrying out pre-carbonization treatment, cooling, and carrying out ball milling to obtain pre-carbon powder; and heating the pre-carbon powder under the protection of inert gas, carrying out high-temperature carbonization treatment, and cooling to obtain the biomass hard carbon negative electrode material for the sodium-ion battery. The technical process is simple, and the prepared biomass hard carbon negative electrode material for the sodium ion battery is high in first coulombic efficiency.

The invention discloses a method for preparing a porous silicon adsorption material by using low-grade diatomite and the porous silicon adsorption material. The method comprises the following steps: 1), preparing roasted diatomite; 2), performing alkaline leaching for desiliconization; 3), filtering and washing; 4), preparing high-activity lime milk; 5), preparing the porous silicon adsorption material. Raw materials are rich and wide in sources and low in cost, the adsorption material is prepared from the cheap limestone and the low-grade diatomite, a preparation technology is simple, the process flow is short, the comprehensive energy consumption is low, and the production cost is low; the porous silicon adsorption material prepared by the method provided by the invention has the bulk density of 0.20-0.32g / m<3>, has the specific surface area of 130-160m<2> / g, and has good performance in adsorbing formaldehyde, benzene, SO2 and volatile heavy metals.

The invention discloses a preparation method of camellia seed shell based carbon microspheres with a high specific surface area. According to the method, hydrothermal carbon microspheres are prepared from camellia seed shell powder serving as a raw material and phloroglucinol serving as an aid through a hydrothermal reaction, the hydrothermal carbon microspheres are annealed, the annealed carbon microspheres are obtained, alkali metal hydroxide is used for soaking the annealed carbon microspheres, the soaked carbon microspheres are washed and dried after being activated at high temperature, and the activated carbon microspheres with the high specific surface area are obtained. The prepared activated carbon microspheres have good stability, large specific surface area, uniform particle sizes, smooth surfaces and regular shapes; raw materials of the carbon microspheres are biomass waste camellia seed shells, the source is wide, the cost is low, no organic solvent is used in the preparation process, and the preparation method is more environment-friendly.

The invention discloses a method for preparing porous hollow activated carbon microspheres by a natural sporopollen self-template method, and is suitable for all kinds of pollen / spore powder carbon sources in biological universe. The pollen / spore powder is subjected to one-step pre-treatment by an organic solvent and then pre-carbonized in an air atmosphere, the powder after pre-carbonization is carbonized in inert gas, a carbon-enriched solid pyrolyzate obtained from carbonization is physically activated in an oxidizing gas, and finally, the activated product is dried to obtain the porous hollow activated carbon microspheres. The simple, green and economic preparation method is adopted, the renewable microbial material pollen / spore powder easy to obtain in nature is subjected to carbonization and activation treatment, the obtained carbonized material maintains a micro-nano structure and morphology of the raw material, and moreover, the specific surface area and pore properties are significantly better than those of conventional activated carbon. The porous hollow activated carbon microspheres are widely applied, such as preparation of energy storage devices-supercapacitors, lithium ion batteries and other electrode materials, also can be used as catalyst carriers, gas sensitive sensors and other key materials, and has good environmental benefits and economic benefits.

The invention discloses a nickel-based composite additive for reducing the nitrogen content of civilian coke. The nickel-based composite additive is prepared from the following components in parts by weight: 40-60 parts of laterite nickel ore and 20-30 parts of calcium carbonate. According to the nickel-based composite additive disclosed by the invention, the raw materials are widely available and abundant, and the price is low; the nickel-based composite additive is directly added into mixed coal; the civilian coke containing the nickel-based composite additive is prepared through high-temperature dry distillation, and the nitrogen contents in raw coal and final coke are 1.22wt% and 0.74wt% respectively; based on the coking rate of 70%, the nitrogen content reaches 57.47% in coal removal of a coal pyrolysis process.

A perovskite-based photoelectric functional material having a general formula MzAyBXz+y+2. The matrix of the photoelectric functional material is a perovskite material ABX3, M is an organic amphipathic molecule used as a modification component of the matrix, 0<z≦0.5, 0<y≦1, and y+z≧1.

The invention discloses an alumina composite additive for improving ash fusion point of civil coke, the alumina composite additive comprises 40-60 parts by weight of kaolin, 20-30 parts by weight of quartz sand, 10-20 parts by weight of alumina and 10-20 parts by weight of hematite. The raw materials of the alumina composite additive are wide and rich in sources, and low in price, can obviously improve the ash fusion point of the civil coke. Compared with direct combustion of raw coal, in the premise of no changing of existing stoves, e the operability and applicability of civilian fuels can be significantly improved, the work efficiency of manual operation and boilers can be improved, and the use property of the civil coke is greatly improved.

The invention provides a hematite composite additive for reducing civil coke ignition temperature, a preparing method and application. The hematite composite additive is prepared from, by weight, 40-60 parts of hematite, 10-15 parts of lime-stone, 10-20 parts of quick lime and 20-40 parts of sodium carbonate. The raw materials are wide in source and rich, price is low, the ignition temperature reducing effect is remarkable, sulfur oxide and nitric oxide emission is reduced by over 70%, smoke dust emission is reduced by over 96%, and the hematite composite additive has great significance in coal consumption for village life of peri-urban areas, village and city environment quality improvement and haze weather reduction.

The invention discloses a method for improving a superlattice structure of a sodium ion layered positive electrode material, which comprises the following steps of: doping a metal element with valence state different from that of transition metal into the sodium ion layered positive electrode material with superlattice characteristics, so that the superlattice structure with ordered charge and ordered Na < + > / vacancy is changed; and preparing disordered sodium ion layered positive electrode material without superlattice structure, namely NamAxByC1-x-yO2, wherein A is a non-active substance metal element with electrochemical activity, B and C are transition metal elements, the valence states of A and B are different in the material, in the formula, m is larger than or equal to 0.15 and smaller than or equal to 0.85, and x + y is smaller than or equal to 1. As the sodium ion battery layered positive electrode material with the superlattice structure has a higher energy barrier and limits the sodium ion transmission capability and the cycle performance, the sodium ion battery layered positive electrode material can modulate a Na < + > / vacancy disordered superlattice-free structure by controlling the doping valence state; and a new insight is provided for the optimization design of the high-performance sodium ion battery positive electrode layered material, and the method has a wide application prospect.

The invention discloses a hollow carbon fiber negative electrode material for a lithium ion battery as well as a preparation method and application thereof. A micro morphology of the carbon fiber negative electrode material for the lithium ion battery is in a hollow fiber shape. The preparation method comprises the following steps: (1) soaking a biomass raw material in a nitric acid solution, performing the lignin removal treatment at 60 to 90 DEG C, and obtaining suspension; and (2) ultrasonically dispersing the obtained suspension, filtering, drying, obtaining primary wood fibers, then heating to 700 to 1100 DEG C under the protection of inert gas, performing the pyrogenic carbonization, thus obtaining the carbon fiber negative electrode material. The negative electrode material of the invention can well reserve the hollow fibrous morphology, and has the characteristics of large specific capacity, and excellent rate capability. The preparation method of the invention is rich in source of raw materials, environment-friendly, recyclable, and capable of being widely applied to the preparation field of the lithium ion battery.

The invention belongs to the technical field of sodium-ion batteries, and particularly relates to a hard carbon negative electrode material of a sodium-ion battery based on shell biomass and a preparation method of the hard carbon negative electrode material. The preparation method comprises the steps of by taking a shell biomass material as a biomass raw material, sequentially immersing the biomass raw material into a hydrochloric acid alcohol solution and a sulfuric acid solution, and stirring to obtain a suspension; dispersing the suspension in water, filtering and drying to obtain a precursor; heating the precursor under the protection of inert gas, carrying out pre-carbonization treatment, cooling, and carrying out ball milling to obtain pre-carbon powder; and heating the pre-carbon powder under the protection of inert gas, carrying out high-temperature carbonization treatment, and cooling to obtain the biomass hard carbon negative electrode material for the sodium-ion battery. The technical process is simple, and the prepared hard carbon negative electrode material for the sodium-ion battery is high in first coulombic efficiency and reversible specific capacity.

The invention provides a magnetite composite additive for reducing the ignition temperature of civilian coke. The composite additive is prepared from, by weight, 40-60 parts of magnetite, 20-30 parts of limestone, 2-3 parts of manganese dioxide and 1-2 parts of zinc oxide. The source of the raw materials is wide and rich, the price is low, the cooling effect on the ignition temperature is remarkable, emissions of sulfur oxide and nitrogen oxide are reduced by 70% or above, emissions of smoke are reduced by 96% or above, and great practical significance is achieved for solving the life coal problem in rural areas around cities, improving rural and urban environment quality and reducing haze weather.

The invention relates to a natural nail polish cleaning agent which comprises the following components in parts by weight: 10-20 parts of limonene, 5-15 parts of citral, 0.2-1 part of citric acid and 70-85 parts of triacetin, and the natural nail polish cleaning agent is prepared by stirring uniformly at the speed of 50-70 turns / min under the condition that the temperature is 15 DEG C-25 DEG C. The natural nail polish cleaning agent has stronger cleaning effect for nail polish, and can avoid causing damages to fingernails and effectively avoid the phenomena of dryness and whiteness of the fingernails after cleaning the fingernails with the ordinary nail polish cleaning agent. The nail polish cleaning agent is safe and environment-friendly, and has simple process, simple and convenient use and low cost.

The invention discloses a high-capacity P2-type positive electrode material of a sodium-ion battery, and a method for orderly improving specific capacity by inhibiting sodium / vacancy. The positive electrode material is a sodium-based layered metal oxide NaxTmO2, Tm is a transition metal, Tm comprises one or more of Mn, Fe, Ni, Co and other elements, and x is a stoichiometric number of sodium and ranges from 0.55 to 0.65. By regulating the content of sodium ions in the P2-type layered positive electrode material of the sodium ion battery, the charge order of the transition metal layer and the sodium / vacancy order in the charging and discharging process are effectively inhibited, the diffusion rate of the sodium ions in the P2-type layered positive electrode material is improved, and then the electrode material with higher specific capacity is obtained. The method disclosed by the invention is simple and easy to operate, rich in raw materials, low in price and high in practical application degree, can provide a new insight for structure and performance optimization of the layered positive electrode material of the sodium-ion battery, and has a wide application prospect.

The invention provides a copper slag composite additive for reducing the ignition temperature of civilian coke. The composite additive is prepared from, by weight, 20-70 parts of copper slag and 30-80 parts of limestone. The source of the raw materials is wide and rich, the price is low, the cooling effect on the ignition temperature is remarkable, emissions of sulfur oxide and nitrogen oxide are reduced by 70% or above, emissions of smoke are reduced by 96% or above, and great practical significance is achieved for solving the life coal problem in rural areas around cities, improving rural and urban environment quality and reducing haze weather.

The invention discloses a solvent-free polyurethane binder for colored pavements. The solvent-free polyurethane binder comprises a main agent and a curing agent, the main agent comprises the followingraw materials: soybean oil polyester polyol, soybean oil polyester polyol, 1, 4-bis (sec-butylaminobenzene), diisopropylnaphthalene, a dispersant BYKP104, zeolite powder, silica powder and iron oxidered powder. Polyhydric alcohol resin taking soybean oil derivatives as main components is adopted as a hydroxyl component, and the soybean oil is wide and rich in source, belongs to an all-natural renewable resource, is green and environment-friendly, and is not easily influenced by a single supplier to generate great fluctuation. The timeliness of supply and the stability of cost price can be effectively guaranteed. The soybean oil polyol mainly containing polyester is adopted, so that the tensile strength of the cured product is greatly improved compared with the common grease polyol resinmainly containing polyether. The diisopropylnaphthalene toughening agent is used, so that the water resistance of the product can be improved while toughening is carried out.

The invention provides an attapulgite composite additive for reducing the ignition temperature of civilian coke. The composite additive is prepared from, by weight, 30-60 parts of attapulgite and 40-70 parts of limestone. The source of the raw materials is wide and rich, the price is low, the cooling effect on the ignition temperature is remarkable, emissions of sulfur oxide and nitrogen oxide are reduced by 70% or above, emissions of smoke are reduced by 96% or above, and great practical significance is achieved for solving the life coal problem in rural areas around cities, improving rural and urban environment quality and reducing haze weather.

A method for fabricating wet tissues by using a natural plant cleaning agent, characterized by comprising the following steps: first, by weight parts, taking 5 to 50 parts of limonene, 3 to 7 parts of an alkylaryl ether sulfate, 10 to 15 parts of an alkylphenol ether, 0.5 to 1 part of an associative thickener, 27 to 81.5 parts of deionized water, and at room temperature, stirring for 20 to 30 min by a high-speed dispersion machine at a speed of 1,500 to 2,000 rpm for emulsification, so as to obtain a natural plant cleaning agent, wherein the alkylaryl ether sulfate is Disponil AES48, the alkylphenol ether is Dispersant 130, the associative thickener is Thickener 3820; and then, subjecting a non-woven fabric material to UV sterilization for 20 to 30 min on a wet tissue machine, cutting the non-woven fabric into strips having a size of 16 x 20 cm, and immersing the strips in the natural plant cleaning agent, wherein the immersion amount is 800 to 1,000 g / m2; and finally, folding and packaging in a routine manner into wet tissues. The wet tissues can be used to clean range hoods, kitchen stoves, film of appliances, glass, tiles and steel products without any damage, the use is convenient, and the cleaning effect is excellent; moreover, the wet tissues have the advantages of being safe and environmental protective, having strong detergency, requiring a simple production process and a low cost, thereby having wide applications.

The invention discloses a plant cleaning agent for cleaning fruits. The plant cleaning agent is prepared from a mixture I and a mixture II, wherein the mixture I is prepared by mixing the following components in parts by weight at room temperature: 75 to 80 parts of limonene, 3 to 10 parts of tea saponin, 2 to 10 parts of lecithin, 2 to 10 parts of citral and 0.5 to 1 part of citric acid; the mixture II is obtained by uniformly mixing raw materials under the condition that the temperature is 15 DEG C to 25 DEG C; the mixture II is prepared from the following raw materials in parts by weight: 1.0 to 5.0 parts of a chelating agent, 10 to 20 parts of sucrose ester, 13 to 25 parts of alkyl polyglucoside, 5 to 15 parts of Tween, 3 to 10 parts of a solubilizer, 0.3 to 5.0 parts of a thickener, 0.2 to 1.5 parts of a hand-care component, 0.03 to 0.08 part of a preservative, citric acid for regulating the pH (Potential of Hydrogen) value to 6.5 to 8.5 and 30 to 70 parts of water; the mixture IIand the mixture I are blended according to the weight part ratio of 1 to 1 at room temperature. The plant cleaning agent disclosed by the invention has a good cleaning effect and is more suitable fordomestic utilization.

Belonging to the technical field of microorganisms, the invention in particular relates to a method for preparation of an animal food additive from mycoprotein. The method sequentially includes the steps of: A. acquisition of fermentation broth: dissolving dried bacteria in water, performing stirring to obtain bacteria residue liquid, or filtering industrial fermentation broth to obtain bacteria residue liquid; B. preparation of enzymolysis reaction liquid: adjusting the pH value of the bacteria residue liquid to 6.5-7.0, adding 0.08%-1.2%w / v taurine and compound protease accounting for 0.07%-0.09% of the dry weight of the bacteria residue, regulating the temperature to 55-62DEG C and carrying out enzymolysis reaction; C. reaction liquid flavoring treatment: adding calcium citrate accounting for 1.8%-2.2% of the dry weight of the bacteria residue and citric acid accounting for 0.6%-0.8% of the dry weight of the bacteria residue, mixing the substances evenly for 1h to obtain a finished product liquid; and D. concentration and drying treatment of the finished product liquid. The mycoprotein enzymolysis product provided by the invention has the characteristics of simple preparation method and rich and wide raw material sources, and mainly the method greatly reduces the pressure of fermentation industry on the surrounding environment.

The invention belongs to the technical field of fodder oat cultivation, and discloses a cultivation and management method for fodder oat in a winter idle land of a high-altitude area. The method comprises the following steps: plot selection; land preparation and fertilization, wherein 1 to 1.5 tons of decomposed farmyard manure, 5kg of urea and 15-20kg of compound fertilizer are applied on the surface of the land per mu before tilling, tilling for soil breaking is performed then, raking and land leveling are carried out, and the depth thereof is 10-15cm; a variety is best selected from imported hulled oat varieties which are resistant to cold and drought, strong in resistance to plant diseases and insect pests and high in grass yield; sowing and pressing, wherein sowing in strip is adopted, line spacing is 15-20cm, and a covering depth is 3cm or so; the sowing quantity is 8-9kg / mu; adoption of broadcast sowing, wherein a rotary tiller is used to cause seeds to be spun into the soil 3cmor so after sowing, and the sowing time is from mid-late October to early November; pressing treatment is performed after sowing; field management; pest control; and harvest. The invention provides ahigh-yield cultivation and management method for producing single-season high-quality fodder oat by utilizing the winter idle land after cropping in the high-altitude area of northwest Yunnan.