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55results about How to "Overcome environmental pollution" patented technology

Biological salt-decomposition bacterial manure and method for preparing same

The invention discloses a biological salt-degrading bacterial fertilizer consisting of the following components by weight proportion: 0.0013 to 0.0045 portions of gibberellin, 0.00002 to 0.0002 portions of cytokinins, 15 to 35 portions of bacillus megaterium, 50 to 80 portions of salt-degrading flora, 5 to 15 portions of amino acid and 2 to 10 portions of humic acid. The materials are evenly mixed and air dried. The bacterial fertilizer is formed by being extracted from marine microorganisms, rejuvenation, expanding propagation and being remixed with a plurality of trace elements. The bacterial fertilizer is scientific in formulation and very strong in activity, can be widely applied to salt lick improvement and a secondary salinization treatment, improves and optimizes soil environment and improves the deteriorated soil environment caused by the long-term use of chemical fertilizers and salt containing organic fertilizers (dungs). The bacterial fertilizer can facilitate the development of the roots of crops and can improve the ability of absorbing night soil. By applying the biological salt-degrading bacterial fertilizer, the fertilizer can facilitate the even seedling, uniform seedling and strong seedling at the earlier stage of crops, the strong nutrient transmission capacity at the middle stage and no premature senescence at the later stage.
Owner:莘县鑫海缘生物科技有限公司

Hybrid power system with waste heat recovery function and environment air purification function and for hydrogen vehicle

The invention relates to a hybrid power system with a waste heat recovery function and an environment air purification function and for a hydrogen vehicle. The hybrid power system with the waste heat recovery function and the environment air purification function and for the hydrogen vehicle comprises a vehicle body, a transmission system, a hydrogen fuel engine, a hybrid power transmission, a metal hydride storage tank, a turbine, a catalyst, a high-pressure surge tank, a hydrogen buffering tank and the like. The metal hydride storage tank is connected to an inlet of the turbine through the high-pressure surge tank. An outlet of the turbine is connected to an inlet of the hydrogen fuel engine through the hydrogen buffering tank or a high-pressure hydrogen buffering tank. An outlet of the hydrogen fuel engine is connected to a discharge outlet through the catalyst, a tail gas heat exchanger, a residual hydrogen absorption unit and a tail gas zero-stage purifier. The hydrogen fuel engine is connected with the hybrid power transmission through a power output shaft. According to the hybrid power system with the waste heat recovery function and the environment air purification function and for the hydrogen vehicle, the hydrogen fuel engine, the turbine and an exhaust gas waste heat recovery and purification system are combined to form the hybrid power system for the automobile, chemical energy of hydrogen is sufficiently used, various kinds of heat energy in the process is recovered, and the working efficiency of the power system is improved; and atmospheric pollution is avoided, the environment air is purified, and protection of the natural environment is facilitated.
Owner:SHIJIAZHUANG XINHUA IND FURNACE CO LTD

Fertilizer with biological ferment and preparation method and use method thereof

The invention discloses a fertilizer with biological ferment and a preparation method and a use method thereof. The fertilizer includes activator and nutrient, the activator is dry powder preparation of protein raw materials, water-soluble nitrogen, water-soluble phosphorus, water-soluble kalium and strain mixed fermentation products, and the nutrient is dry powder preparation of amino acid type raw materials, mineral composition type raw materials, trace element type raw materials and strain mixed fermentation products. The fertilizer can be applied by the step of primarily adding the activator into a simple fermenting container for fermentation and adding the nutrient for fermentation later. The invention can be suitable for various types of crops, can obtain the satisfactory effect after the application and has 10 times of the application effect of the traditional biological ferment fertilizer, and is beneficial to the massive popularization because the dry powder preparations with two components are suitable to long distance transportation and operations of post dry powder preparation mixing and fermentation are simple and easy.
Owner:谢群英

Selenium enriched liquid fertilizer and public hazard less production method of selenium enriched aqgricultural product thereof

A Se-enriched liquid fertilizer is prepared from barnyard manure through proportionally mixing it with water, natural stacking for at least 6 months, filtering, proportionally mixing the filtrate with sodium selenite, and natural fermenting for 15-35days. It can be used to culture Se-enriched agricultural crops and obtain the Se-enriched agricultural products by diluting it with water and spraying it on the plants of agricultural crops.
Owner:南京新世纪园艺研究所

Method for preparing vegetable oil polyhydric alcohol by using natural reproducible source

The invention relates to a method of preparing vegetable oil polylol by using natural renewable resources. Epoxy soybean oil, a solvent, methanol, water and a catalyst are added performed autoclave, wherein, the proportion by weight of the epoxy soybean oil, the solvent, anhydrous methanol, water and the catalyst is 10:1 to 10:1 to 12:1 to 6:1 to 4, the reaction temperature ranges from 100 DEG C to 160 DEG C, and the optimized temperature ranges from 120 DEG C to 160 DEG C. The reaction pressure is self pressure, and the reaction is completed after reacting for 12 to 20 hours through stirring. The method has the advantages of no pollution, simple processing procedure after the reaction, and mild reaction conditions.
Owner:SHANXI INST OF COAL CHEM CHINESE ACAD OF SCI

Magnetic spinel structure ferrite nano particle and preparation thereof

InactiveCN101486492AOvercoming productivityOvercoming the use of large amounts of organic solventsIron compoundsCobalt compoundsOctahedronSpinel
The invention discloses magnetic spinel-structure ferrite nano-particles and a preparation method thereof, which pertains to the field of magnetic nano-materials and aims at solving the problem that in the prior art, the defects of high production cost, low yield, environmental pollution, complicated operations, inadaptability to the commercial production and the like exist. The molecular formula of the magnetic spinel-structure ferrite nano-particles is CoxCuyZnzFe3-x-y-zO4, wherein, x ranges from 0 to 1, y ranges from 0 to 1 and z ranges from 0 to 1; and the magnetic spinel-structure ferrite nano-particles have the diameter of 20nm to 400nm and take the shapes of a ball, a regular tetrahedron, a regular hexahedron, a regular octahedron or a stick. The preparation method comprises the steps that: a soluble salt solution plated with transition metal ions is mixed with an alkali metal-hydroxide solution according to the volume ratio of 16:1-8 so as to carry out hydrothermal treatment, with the hydrothermal temperature of 120 DEG C to 180 DEG C and the hydrothermal time of 2 hours to 6 hours. The preparation method has the advantages of low cost, simple processes, strong applicability, adaptability to the industrialized production, and the like.
Owner:BEIJING UNIV OF CHEM TECH

Hydrogen energy vehicle power system for ambient air purification

The invention relates to a hydrogen energy vehicle power system for ambient air purification. The hydrogen energy vehicle power system comprises a transmission system, a hydrogen fuel engine, a metal hydride storage tank, a hydrogen compression unit, a hydrogen stabilized tank, an inverter, a, electric-generator, an expansion machine, a storage battery and an exhaust gas disposal system. The storage battery is electrically connected with a power bus and the inverter, and the inverter is electrically connected with the electric-generator; the metal hydraulic storage tank is connected with the hydrogen fuel engine through the hydrogen compression unit and the hydrogen stabilized tank, and an exhaust outlet of the hydrogen fuel engine is connected with the exhaust gas disposal system through a turbo charger; the hydraulic fuel engine or / and the number one electric-generator is / are connected with a power combiner, the expansion machine is connected with the power combiner, and the power combiner is connected with the transmission system through a transmission shaft. By the combination of the hydrogen fuel engine with the electric-generator, operation efficiency of the hydrogen energy vehicle power system is improved; by recycling exhaust heat, atmospheric pollution is reduced, and natural environment is favorably protected.
Owner:SHIJIAZHUANG XINHUA IND FURNACE CO LTD

Biodegradable lentinus edodes strain stick coating liquid and preparation method thereof

The invention discloses a biodegradable lentinus edodes strain stick coating liquid and preparation method thereof, which relates to a culture technique of lentinus edodes and comprises the following components, by mass percent, 10-12% of polyvinyl alcohol, 8-10% of starch, 2-4% of stearic acid, 3-5% of water retention agent, and the balance distilled water. When the product is used for culturing the lentinus edodes, the coating liquid is coated on the strain stick removing a plastic bag, so as to form a uniform and stable water retaining film with appropriate thickness. The film is flexible, moist and ventilative, and can prevent the loss of nutrient substances effectively; and the lentinus edodes bud can burst the water retaining film itself, without artificial incision. The fruiting body deformation can be avoided, thereby reducing the workload of bud sparseness and artificial incision. The popularization and application of the product can improve the quality and yield of lentinus edodes on the one hand, and on the other hand can save resource and labor force, decrease white pollution, develop recycling economy, thereby having good application prospect.
Owner:HENAN ACADEMY OF SCI CHEM RES INST CO LTD

Clean isothermal quenching or stepwise quenching process

The present invention relates to belongs to the field of thermal technological process, and is a clean isothermal quenching or stepwise quenching process which includes heating workpiece to austenite state, selecting quenching cooling medium according to workpiece size and steel hardness penetration, turning to isothermal quenching or stepwise quenching stage while the surface of the workpiece is cooled to proper temperature, regulating spraying and air cooling rate to control the surface temperature so as to make the heat taken from the surface equal to that transferred from inside the workpiece to the surface and make the surface temperature in that specifiec by the isothermal quenching or stepwise quenching specification.
Owner:SHANGHAI JIAO TONG UNIV

Method for synthesizing aliphatic/cycloaliphatic dicarbamate by one-pot reaction process

The invention discloses a method for synthesizing aliphatic / cycloaliphatic dicarbamate by a one-pot reaction process. The method comprises the following steps: placing aliphatic / cycloaliphatic diamine, urea, fatty alcohol and a catalyst into a self-circulation reaction kettle with protective gas; and performing the one-pot reaction process at reaction temperature of 100-450 DEG C and reaction pressure of 0.1-5MPa for 0.5-20 hours so as to prepare the aliphatic / cycloaliphatic dicarbamate, wherein the mole ratio of the aliphatic / cycloaliphatic diamine to the catalyst is 1:(0.0001-0.2), the mole ratio of the aliphatic / cycloaliphatic diamine to the urea to the fatty alcohol is 1:(1-10):(1-15), the catalyst refers to one or more types of acetate of potassium, magnesium, calcium, tin, lead, bismuth, zirconium, zinc, cerium, chromium, molybdenum, manganese, ferrum, cobalt and nickel elements. According to the method, the one-pot reaction process is adopted, so that the technological conditions are simple and moderate; the catalyst is low in use amount and is cheap and easily available; solvents are not needed; the reactivity, the selectivity and the atom utilization rate are high, and the requirements on industrialization conditions can be met.
Owner:上海沣勃新材料科技有限公司

Recycling method of thermosetting resin lens waste

The invention discloses a recycling method of thermosetting resin lens waste. The method includes: (1) preparing thermosetting resin lens waste powder; (2) in terms of mass, adding 100 parts of the thermosetting resin lens waste powder, 100-400 parts of an alcoholysis agent, and 0.4-6 parts of a catalyst into a reactor; (3) controlling the alcoholysis reaction temperature at 120DEG C-260DEG C; and (4) letting the reaction last for 1-3h, then stopping heating, and performing cooling to obtain an alcoholysis product. According to the method provided in the invention, the resin lens waste undergoes thorough alcoholysis, the reaction time is short, and the solution transparency is good. The catalyst dosage is small, no influence can be generated on the product application, and the recycling value of the alcoholysis product is enhanced.
Owner:CHANGZHOU XIAOGUO INFORMATION SERVICES

Dual-component coating film fresh keeping agent for citrus fruits and application method of dual-component coating film fresh keeping agent for citrus fruits

PendingCN111616215AEnhance the antibacterial and fresh-keeping effectReduce churnNatural extract food ingredientsFood dryingBiotechnologyDistilled water
The invention relates to a dual-component coating film fresh keeping agent for citrus fruits. The fresh keeping agent comprises an A component and a B component, wherein the A component comprises thefollowing components in percentage by mass of 1%-5% of low molecular weight chitosan, 2%-10% of plant extracts, 0.5%-2% of sorbitol, and the balance distilled water; and the B component comprises thefollowing components in percentage by mass of 0.5%-3% of high molecular weight chitosan, 0.1%-2% of citric acid, 0.2%-3% of a propolis extract and the balance distilled water. An application of the dual-component coating film fresh keeping agent for citrus fruits comprises the following steps of performing cleaning: cleaning fresh fruits which a freshly picked, removing surface impurities and performing draining; coating films: performing coating film treatment on the cleaned fresh fruits with the dual-component coating film fresh keeping agent for citrus fruits in manners of soaking or sprinkling,; and performing air drying: air drying the fresh fruits after coating film treatment, and then performing storage in a freezer. According to the obtained dual-component coating film fresh keeping agent, the raw materials and auxiliary materials, which are used, are non-toxic and pollution-free, and the problems of security risks and environmental pollution of a chemical antibacterial fresh keeping agent are solved.
Owner:JINGCHU UNIV OF TECH +1

Method for treating oil field ternary combination flooding extraction sewage

The present invention relates to a sewage treatment method for treating a ternary composite in the oil field; the technical process of the present invention is that: the metal positive ion (such as aluminum or zinc), pH indicator and a macromolecule compound are added into the sewage in turn, and then to carry out the solid-liquid separation to purify the sewage. And then the sewage will reach the affusion standard. The sewage treatment method in the present invention can make the ternary composite in the sewage treatment process incapable of being treated by the general technology to realize the affusion standard so as to be used for the recycle in the oil field. The present invention can overcome the environment pollution with the discharge without needing being filtered.
Owner:傅绍斌

Transparent solid leveling agent, as well as synthesis method and use thereof

The invention relates to a transparent solid leveling agent which comprises the following raw materials in parts by weight: 4 to 14 parts of an initiator, 50 to 1,200 parts of a hard monomer, 0 to 450 parts of a functional monomer and 1 to 18 parts of a molecular weight regulator. The raw materials of the leveling agent do not contain any soft monomer; the leveling agent has extremely low surface tension and proper glass transition temperature, and is in a transparent solid state for a powder coating at normal temperature; a thermosetting powder coating prepared by compounding the leveling agent and another material is high in leveling performance, surface hardness, glossiness, durability and decoration performance; the leveling agent can be used for an indoor or outdoor metal section or building material, and is particularly suitable to be used as a special leveling agent for an optical coating of a transparent cover.
Owner:阜阳市诗雅涤新材料科技有限公司

Method for preparing nanowire-woven spherical Sb2Se3 (antimony selenide) sodium-ion battery anode material

The invention provides a method for preparing a nanowire-woven spherical Sb2Se3 (antimony selenide) sodium-ion battery anode material. According to the method, polyvinylpyrrolidone and antimony potassium tartrate are added to a mixed solution of glycol and distilled water and stirred, and a solution A is obtained; sodium selenite is added to hydrazine hydrate and stirred, and a wine red solution B is obtained; the solution B is dropwise added to the solution A with stirring, and a mixed solution C is obtained; glycerinum is added to the mixed solution C, and the mixture is stirred uniformly, reacts under a vacuum condition at the temperature of 80-150 DEG C, left to age for 1-18 h and cooled to the room temperature after the reaction ends; finally, washing and drying are performed, and the nanowire-woven spherical Sb2Se3 sodium-ion battery anode material is obtained. The reaction process for preparation of nanowire-woven spherical Sb2Se3 is completed once, the process equipment is simple, the repetition is good, and the prepared Sb2Se3 electrode material has excellent electrochemical performance.
Owner:SHAANXI UNIV OF SCI & TECH

Polyvinyl chloride-based gel polymer electrolyte as well as preparation method and application thereof

The invention relates to a polyvinyl chloride-based gel polymer electrolyte which comprises a polyvinyl chloride-based gel polymer film and an ionic liquid electrolyte, wherein the ionic liquid electrolyte is evenly dispersed in the polyvinyl chloride-based gel polymer film. The polyvinyl chloride-based gel polymer electrolyte has the advantages of good electrochemical performance, high safety and environmental friendliness, and can be used for manufacturing super capacitors. Furthermore, the invention further relates to a preparation method of the polyvinyl chloride-based gel polymer electrolyte, and a super capacitor adopting the polyvinyl chloride-based gel polymer electrolyte.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +2

Method for producing zinc hydroxide nano-wire

The invention provides a method for preparing a zinc hydroxide nano-wire, which belongs to the technical field of inorganic material preparation process. The method comprises the following steps: dissolving zinc acetate and basic metal hydroxide into absolute ethyl alcohol respectively; adding deionized water into the absolute ethyl alcohol after ultrasonic mixing to prepare a precursor of flaky zinc hydroxide acetate; and centrifugally washing and hydrolyzing the precursor to obtain the zinc hydroxide nano-wire. The surface of the zinc hydroxide prepared subsequently is carried with partial positive electrical charge, and same electrical charges are excluded mutually, so the prepared zinc hydroxide nano-wire has no agglomeration phenomenon. The method has the advantages of simpleness and convenience, safety and low cost, solves the problems of cost and environmental pollution caused by adoption of an organic solvent, can obtain fine zinc hydroxide nano-wire, and can be applied to biology, medicament and other fields.
Owner:JILIN UNIV

Method for improving specific capacitance of laser-induced graphene-based capacitor and laser-induced graphene-based capacitor

The invention provides a method for improving the specific capacitance of a laser-induced graphene-based capacitor and the laser-induced graphene-based capacitor, and belongs to the technical field of capacitors. The method provided by the invention comprises the following steps: providing a laser-induced graphene material; carrying out in-situ Joule heat treatment on the laser-induced graphene material, and obtaining the laser-induced graphene material subjected to Joule heat treatment, wherein the laser-induced graphene material is provided with nanoscale holes; and taking the laser-induced graphene material subjected to Joule heat treatment as an electrode, and assembling to obtain the laser-induced graphene-based capacitor with improved specific capacitance. According to the method, the laser-induced graphene material is subjected to in-situ Joule heat treatment, amorphous carbon impurities in the laser-induced graphene material can be decomposed, more nanoscale holes are formed, the effective active surface area is increased, and therefore the specific capacitance of the laser-induced graphene-based capacitor can be effectively improved; meanwhile, the method provided by the invention overcomes the problems of complex operation, high production cost and environmental pollution of the traditional method.
Owner:北京烯塔科技有限公司

Method for preparing epoxy soybean oil-based polyalcohol from epoxy soybean oil

The invention discloses a method for preparing epoxy soybean oil-based polyalcohol from epoxy soybean oil, comprising the following steps of: adding the epoxy soybean oil, absolute methanol, solvent, water and a catalyst into an autoclave; introducing nitrogen gas and evacuating, raising the temperature to 100-160DEG C at the temperature-raising speed of 2-10DEG C / min; and reacting at the reaction pressure of self-generated pressure for 12-20h to obtain a product; filtering after reaction to obtain the catalyst; and carrying out vacuum distillation to obtain the solvent, the methanol and theepoxy soybean oil-based polyalcohol, wherein the catalyst obtained by filtering and the solvent and the methanol which ate obtained by distillation are directly used for next reaction and the recycling can be realized. The invention has the advantages of no pollution, mild reaction conditions and simple post treatment.
Owner:JIANGSU SHUANGBAO TECH

Polyvinylidene fluoride-hexafluoropropylene-based gel polymer electrolyte as well as preparation method and application thereof

The invention relates to a polyvinylidene fluoride-hexafluoropropylene-based gel polymer electrolyte which comprises a polyvinylidene fluoride-hexafluoropropylene-based gel polymer film and an ionic liquid electrolyte, wherein the ionic liquid electrolyte is evenly dispersed in the polyvinylidene fluoride-hexafluoropropylene-based gel polymer film. The polyvinylidene fluoride-hexafluoropropylene-based gel polymer electrolyte has the advantages of good electrochemical performance, high safety and environmental friendliness, and can be used for manufacturing super capacitors. Furthermore, the invention further relates to a preparation method of the polyvinylidene fluoride-hexafluoropropylene-based gel polymer electrolyte, and a super capacitor adopting the polyvinylidene fluoride-hexafluoropropylene-based gel polymer electrolyte.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +2

Method for interplanting duckweed in rice field to reduce damages to paddy rice caused by ampullaria gigas

ActiveCN105230454AHarm reductionHazard reduction or control without the use of chemical molluscicidesClimate change adaptationAgricultural fishingSoil scienceEcological environment
The invention relates to the technical field of ecological control, and particularly discloses a method for interplanting duckweed in a rice field to reduce damages to paddy rice caused by ampullaria gigas. The method comprises putting the duckweed in a rice filed 2 to 5 days before transplantation of paddy rice seedlings. The duckweed is interplanted in the rice field, the duckweed can be used for trapping the ampullaria gigas to forage at original positions, so that damages to the paddy rice seedlings caused by ampullaria gigas can be reduced. Compared with the prior art, no chemical agent for killing the ampullaria gigas is needed when the ampullaria gigas damages the paddy rice by adopting the method, the production of agricultural products and the safety of farmland ecotope can be ensured, and the method can be conveniently operated in the field, actually popularize and apply, distinct ecological benefits and economic benefits can be achieved by adopting the method.
Owner:SOUTH CHINA AGRI UNIV

Preparation method of autoclaved aerated concrete block and autoclaved aerated concrete block

The invention discloses a preparation method of an autoclaved aerated concrete block. The preparation method comprises the following steps: S1, preparing an additive A from aluminum powder paste, sodium sulfate and sodium abietate; and preparing fly ash, bagasse, juncus roemerianus powder, lime powder, gypsum powder and the additive A into ball billets, and curing to obtain lightweight aggregate; s2,preparing fly ash, ceramic tile waste, glass waste, quicklime and gypsum powder into a mixture; s3, preparing sodium hydroxide, rosin powder, triethanolamine and sodium silicate into an additive B; and S4, preparing a brick blank from the lightweight aggregate, the mixture, cement and the additive B, and maintaining the brick blank to obtain the autoclaved aerated concrete block. The invention further discloses the autoclaved aerated concrete block which is prepared by the preparation method of the autoclaved aerated concrete block. According to the autoclaved aerated concrete block, the construction waste, the household waste and the industrial waste are reasonably utilized, waste is turned into wealth, resource waste and environmental pollution are reduced, and the autoclaved aerated concrete block which is high in compressive strength and breaking strength and light in weight is prepared.
Owner:广西建工集团建筑产业投资有限公司

Structural antibacterial polyurethane flexible foam material and preparation method thereof

The invention discloses a preparation method of a structural antibacterial polyurethane flexible foam material. The preparation method includes: weighing structural antibacterial pure-water nano fluorine-bearing polyol, high-activity polyether polyol 330N and polyether polyol WANOL F3156, adding them into a reaction container, adding certain parts by weight of guanidine-bearing hydrochloride chainextender, catalyst and foam stabilizer, and stirring well fast to form component A; using an isocyanate as component B, mixing well quickly the components A and B, pouring the mixture into a mold, and foaming to obtain the structural antibacterial polyurethane flexible foam material. Antibacterial performance test results show that the structural antibacterial polyurethane flexible foam materialhas antibacterial rate of > / =99.0% for both Escherichia coli and Staphylococcus aureus, and has excellent antibacterial performance.
Owner:南通新艺材料科技有限公司

Machining process for magnetic shoe

The invention relates to a processing method of a magnetic tile which is used for a motor. The invention solves the problems of low product yield, poor consistence, environmental pollution, large labor intensity of workers, wasted energy resources, etc. which are caused by existing manual or half automatic processes. The proposal is that the grinding process of the surface of the magnetic tile is carried out by a forming grinding wheel which has coincident structural shape with the external surface of the magnetic tile; furthermore, the surface of the magnetic tile is divided into four composition parts: an internal concave surface, an external convex surface, two side surfaces and two end surfaces; the four composition parts are grinded by a corresponding forming grinding wheel; the magnetic tile which is required to be processed is sequentially grinded by four forming grinding wheels on a guideway through the a transmission device to form a finished product.
Owner:吕景文

A kind of cobalt sulfide nano sheet material and preparation method thereof

A cobalt sulfide nanosheet material and a preparation method thereof, comprising adding cobalt acetate tetrahydrate into a mixed solution of isopropanol and ethylene glycol, and stirring magnetically to obtain solution A; adding sodium sulfide to deionized water, and then adding ammonia water to obtain Solution B; mix solution A and solution B uniformly and then pour into a homogeneous hydrothermal reaction kettle for reaction; then take out the cooled product after the reaction, wash and freeze-dry to obtain cobalt sulfide nanosheet material. The raw materials used in the present invention are easy to obtain and are environmentally friendly, the experimental reaction conditions are simple, and the safety is high. By adjusting the pH value of the solution, the particle size of the product is smaller, and the active sites of the redox reaction during cobalt sulfide intercalation and desorption of sodium are increased, thereby improving the efficiency of the battery. cycle stability.
Owner:SHAANXI UNIV OF SCI & TECH

Multi-effect comprehensive preservation method suitable for postharvest storage of citrus fruits

A multi-effect comprehensive preservation method suitable for postharvest storage of citrus fruits comprises the following steps: (1) preparation of a biological antibacterial film coating agent: the biological antibacterial film coating agent comprises the following components in percentage by mass: 1%-5% of chitosan oligosaccharide, 0.5%-2% of carboxymethyl chitosan, 1%-8% of a Chinese herbal medicine extract, 0.5%-2% of a coalescing agent, 0.5%-1% of a preservative and the balance of water; and sequentially adding and dissolving the substances into water, and fully stirring until the substances are uniformly mixed; (2) film coating treatment: performing film coating treatment on the cleaned fresh fruits by adopting the biological antibacterial film coating agent obtained in the step (1); (3) drying treatment: drying the film-coated fresh fruits obtained in the step (2), and forming a film on the surfaces of the fresh fruits by using the biological antibacterial film coating agent; and (4) spontaneous micro-controlled atmosphere treatment: putting the fresh fruits subjected to film formation in the step (3) into a self-made spontaneous micro-controlled atmosphere bag for storage. Based on the synergistic effect of two technologies of biological multi-effect antibacterial coating and spontaneous micro-controlled atmosphere, advantage complementation is achieved, and the final purposes of storage and fresh keeping of the picked fruits and prolonging of the shelf life are achieved.
Owner:JINGCHU UNIV OF TECH +1

Solar air-conditioning heat source system device

InactiveCN102563780AOvercome primary energy consumption and environmental pollutionLittle impact of climate factorsLighting and heating apparatusSpace heating and ventilation detailsAutomatic controlPrimary energy
The invention discloses a solar air-conditioning heat source system. A solar water heating device and an air source heat pump water heating device are integrated in the solar air-conditioning heat source system device, wherein the solar water heating device is used for converting solar energy into a heat source which can be used by a central air-conditioning system through photo-thermal conversion and supplying the heat required by the heating and humidifying of the air-conditioner in the daytime; the air source heat pump water heating device is used for obtaining heat from the air through the heat pump and providing the heat required by the heating and humidifying of the air-conditioning system when the solar energy is insufficient; a standby conventional water heating system is used for supplying stored heat when the solar water heating device and the air source heat pump water heating device cannot meet the normal heat supply requirement; and an automatic control system is used for realizing the coordination of various systems. According to the solar air-conditioning heat source system device, regenerated energy sources such as the solar energy and air energy are utilized, so that the problem of primary energy source consumption and environment pollution caused by heat source supply to a central air conditioner in the prior art are solved.
Owner:HONGTA TOBACCO GRP +1

Three-dimensional annular braided composite material tube and mandrel separation system and method thereof

The invention relates to a three-dimensional annular braided composite material tube and mandrel separation system and a method thereof. The system and the method are used for separating a braided composite material tube and a mandrel, and the system comprises a fixed pedestal, a mandrel chucking headboard, a mandrel chucking backboard, a servo motor, a reducing transmission mechanism and a drawing stud; the mandrel chucking headboard and the mandrel chucking backboard are respectively arranged on the fixed pedestal; the mandrel is born on the mandrel chucking headboard and the mandrel chucking backboard; the braided composite material tube is butted between the mandrel chucking headboard and the mandrel chucking backboard; the servo motor is connected with and drives the reducing transmission mechanism; the reducing transmission mechanism is held to the fixed pedestal, and is connected with and drives the drawing stud; and the drawing stud can push the mandrel. The system and the method provide a high-efficiency separation scheme for the braided composite material tube and the mandrel, and have the advantages of simple operation, high reliability and good continuous workability.
Owner:ZHEJIANG SCI-TECH UNIV

Healthy and environment-friendly plant Chinese herbal medicine mosquito-repellent incense and production method thereof

InactiveCN106942210AGet rid of odorsGet rid of the smellBiocidePest repellentsHerb medicineSide effect
The invention provides healthy and environment-friendly plant Chinese herbal medicine mosquito-repellent incense. The mosquito-repellent incense is prepared from the following raw materials in parts by weight: 40-50 parts of sycamore tree bark, 20-30 parts of mint, 10-20 parts of sweet-scented osmanthus, 40-50 parts of camphor tree bark, 20-30 parts of shaddock peel, 20-30 parts of fructus evodiae, 5-8 parts of tuckahoe with pine, 3-5 parts of lignum santali albi and 5-10 parts of a binding agent. The healthy and environment-friendly plant Chinese herbal medicine mosquito-repellent incense is prepared from the sycamore tree bark, the mint, sweet-scented osmanthus, the camphor tree bark, the shaddock peel, fructus evodiae, tuckahoe with pine, lignum santali albi and the binding agent through mixing, the environmental pollution and safety loopholes of mosquito-repellent incense that a traditional mosquito-repellent incense blank is mainly prepared from charcoal dust, is added with a large number of chemical binding agents and is pressed into the mosquito-repellent incense are overcome, and the healthy and environment-friendly plant Chinese herbal medicine mosquito-repellent incense has the effects of being healthy, environment-friendly, capable of expelling peculiar smell and refreshing air, good in mosquito-repellent effect, safe and free of toxic and side effects.
Owner:清远韵盛祥生物科技有限公司
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