46results about How to "Has a price advantage" patented technology

The invention provides a rechargeable zinc-manganese battery and a preparation method thereof. A positive electrode adopts a linear alpha-MnO2 material to replace a traditional amorphous manganese dioxide material, and the linear alpha-MnO2 material has a uniform structure. The large tunnels and vacancies in MnO2 increase the contact between the active material and the electrode, reduce the internal resistance of the battery, and improve the diffusivity of protons. The larger aspect ratio of MnO2 can make the preferred orientation degree of the material higher, thus improving the rate performance of the battery. Stable structure, not easy to collapse, the activity can be maintained at a high level, the decay rate is slow, more conducive to the battery cycle performance. In accordance withthat present invention, the preparation method of the alpha-MnO2 material is simple and feasible, the experimental reproducibility is good, the raw materials used are cheap and easy to obtain, the linear alpha-MnO2 material has a uniform structure, large aspect ratio, and stable structure, and is not easy to collapse and slow in attenuation rate.

The invention discloses a method for preparing zinc-rich hermetia illucens larvas. According to the method, hermetia illucens adults are first cultured; larvas are obtained after spawning and hatching; due to a large-intake characteristic of hermetia illucens larvas, the hermetia illucens larvas are used for converting a feed with added inorganic zinc, such that inorganic zinc added into the feed is converted into hermetia illucens larva bodies. The method provided by the invention is simple and effective, and is low in cost. With the method, a large amount of hermetia illucens larvas rich in protein and fat can be obtained, and zinc-rich hermetia illucens larvas can be obtained, such that hermetia illucens larva nutritive value is improved. The method has a good application prospect.

The invention relates to a preparation method of a boron and nitrogen co-doped nonmetal carbon-based oxygen reduction electrocatalyst based on ZIF-8. The preparation method comprises the following steps of: obtaining a ZIF-8 precursor by controlling the synthesis conditions of crystals; mixing the precursor crystals with phenylboronic acid micromolecules through a solvent, and performing stirringto form a uniformly dispersed mixed material; and finally, performing carbonizing at a high temperature in a tubular furnace to obtain a black powdery carbon material, wherein the boron and nitrogen co-doped nonmetal carbon-based catalyst is obtained without further post-treatment. The method has the advantages that: the material has rich sources and lower cost, and the prepared material has highoxygen reduction catalytic activity, good stability and methanol tolerance, and has the wide application prospect and the practical value.

A Bluetooth glove mouse based on an acceleration sensor and a Lab View comprises a glove. A control circuit board, a Bluetooth module, a power supply, a left key and a right key are arranged on the glove, wherein the Bluetooth module and a control circuit arranged on the control circuit board perform information transmission, the Bluetooth module and a computer are in Bluetooth communication, the power supply is respectively connected with the control circuit board and the Bluetooth module, and the left key and the right key are respectively arranged at the index finger end of the glove and the middle finger end of the glove and are respectively electrically connected with the control circuit board through a lead wire. According to the Bluetooth glove mouse, a user executes corresponding functions through hand actions and achieves full simulation of mouse motions by using the portable product.

The sandwich heat-insulating light wall panel is made up by using crop straw and stalk as main raw material, matching with light ore powder, gelling agent and other components and sandwiching polystyrene foam plate and utilizing special-purpose equipment through one-step process. Its composition comprises straw and stalk powder 48-50%, light ore powder 35-42%, flyash 4-8%, halide powder 10-12%, glass fibre 1-2%, gelling agent 0.2-1%, fiore-resisting agent 0.5-0.8%, whitening agent 0.05-0.1% and solidifying agent 0.01-0.09%, and its internal core is polystyrene foam plate, its thickness is 30-100 mm.

The invention discloses a method for preparing modified epoxy acrylate. The method comprises the following steps of: (1) synthesizing an intermediate: adding anhydride, hydroxyl acrylate monomers, an anti-oxidant 1 and a polymerization inhibitor 1 in turn into a reaction kettle in turn, uniformly stirring, heating to the temperature of between 80 and 120DEG C, reacting for 2 to 3 hours, and discharging a material (marked as A) for later use; (2) expanding chain of organic acid: adding epoxy resin, organic diacid and a catalyst 1 into the reaction kettle in a formula ratio, uniformly stirring,slowly heating to the temperature of between 90 and 120DEG C, reacting for 2 to 3 hours, and after the acid value is less than or equal to 1mgKOH / g, starting cooling water to cool to the temperature of between 50 and 70DEG C; (3) heating for esterification: adding the material A, a catalyst 2, a polymerization inhibitor 2 and an anti-oxidant 2 into the reaction kettle in a formula ratio in turn, heating and keeping temperature; (4) cooling and diluting; and (5) performing central control inspection. The molecular weight can be properly increased, flexible groups can be increased, and the glass-transition temperature of the product is reduced.

The invention discloses a composite flame retardant for rigid polyurethane foam. The composite flame retardant comprises 75%-83.5% of inorganic composition and 25%-16.5% of organophosphorus ester in percentage by weight, wherein the inorganic composition comprises 40%-70% of ammonium polyphosphate, 5-35% of graphite and 25%-55% of bentonite in percentage by weight; the organophosphorus ester is selected from dimethyl methyl phosphonate and diethyl ethylphosphonate; the particle size of the ammonium polyphosphate is 300-1000 meshes; the particle size of the expansible graphite is 50-400 meshes; and the particle size of the bentonite is 300-600 meshes. The composite flame retardant disclosed by the invention is based on the inorganic component, the weight of which accounts for 75%-83.5% of the total weight of the composite flame retardant. The composite flame retardant is low in cost and can be used for ensuring that the prepared polyurethane foam material has the price advantage, is non-toxic and pollution-free, and has good mechanical property, thermal insulation property and excellent flame retardant property under the condition of maintaining relatively low density.

The invention relates to the field of medicines and particularly relates to an application of indole-3-carbinol. The indole-3-carbinol is introduced to vascular aging preventing researches and is expected to delay progression of diseases, such as coronary heart disease, cerebral apoplexy and Alzheimer disease, related to vascular aging such as atherosclerosis, to prolong lifetime and to promote health of the aged. The indole-3-carbinol in a scheme is convenient to use and low in treatment cost, and lays a foundation for treatment of cardiovascular and cerebtovascular disease related to vascular aging such as atherosclerosis by utilizing the I3C and oligomer medicines thereof.

A manufacturing method for a cheap transparent conducting film includes processing steps as the follows: preparing film coating solution, cleaning base material, coating film, electrode making, annealing and electrified aging formation. The manufacturing method is characterized in that the formula of the film coating solution is that the main material zinc acetate is 88g, dopant alchlor is 5g, high-temperature resistance stabilizer titanium chloride is 2g, high-temperature resistance stabilizer lead acetate is 4g, lead escape inhibitor manganous chloride is 1g, cosolvent acetic acid is suitable in proportion, and solvent distilled water is 500 to 1000g. The preparing steps of the film coating are as follows: A, using the acetic acid to acidize the distilled water, and covering for future use; B, weighing the titanium chloride according to the formula and covering for future use; C, weighing other components to be dissolved in the acidized distilled water, dripping slowly the titanium chloride solution to be sufficiently and uniformly mixed, and covering for future use; cleaning the base material; and carrying out film coating, electrode making and electrified aging formation of the base material. Compared with the existing transparent oxide conducting film, the cheap transparent conducting film has the advantages of cheap raw material, excellent cost performance and low cost, and is suitable for making the transparent conducting film.

The invention relates to a method for producing a silage feed for cattle and sheep by using discarded vegetable leaves as raw materials. The production process of the silage feed comprises the following steps of: (1), selecting uncorrupted discarded vegetable leaves and crushing the selected uncorrupted discarded vegetable leaves into fragments of which the size is 5 cm or below; (2), performing extrusion and dehydration treatment on the vegetable leaf fragments, and then performing separation to obtain vegetable residues and vegetable juice; (3), performing distillation and concentration on the vegetable juice to obtain concentrated vegetable juice; (4), performing fermentation on the concentrated vegetable juice, corn flour and mixed bacteria to produce strain cultures; (5), performing stacking in a stacking manner of a layer of strain cultures, a layer of vegetable residues and Chinese mesona herb residues, and a layer of the strain cultures in a concrete pool, after stacking is completed, uniformly sprinkling salt on the stacked materials, and finally performing sealed fermentation for 7 days or above so as to obtain vegetable residue fermented materials; and (6), adding pasture broken grains and / or crop stalk broken grains, edible fungus chaff and trace elements into the vegetable residue fermented material, continuing fermentation for 5-7 days so that the silage feed is obtained. The feed for cattle and sheep, prepared by the method disclosed by the invention, in comprehensive in nutrition and sweet in taste, the appetite of the cattle and the sheep is improved, and the cattle and the sheep love to eat the feed and grow quickly.

The invention relates to a method for producing barren sow silage by taking abandoned vegetable leaves as a raw material. A production process comprises the following steps: (1) selecting uncorrupted abandoned vegetable leaves, and crushing into fragments with the size less than 5cm; (2) carrying out extrusion dehydration treatment on the vegetable leaf fragments, and separating to obtain vegetable residue and vegetable juice; (3) carrying out distillation and concentration on the vegetable juice to obtain concentrated vegetable juice; (4) fermenting by utilizing the concentrated vegetable juice, corn flour and mixed bacteria, thus producing strain culture; (5) stacking a strain culture layer, a vegetable residue and Chinese mesona herb residue layer and a strain culture layer in a cement pit in a stacking way, after stacking is finished, uniformly scattering salt, and finally carrying out sealed fermentation for more than 7 days, thus obtaining a vegetable residue fermentation material; and (6) adding pasture fragments, corn flour, edible mushroom residue and trace elements into the vegetable residue fermentation material, and continuously fermenting for more than 5 days, thus obtaining the barren sow silage. The produced barren sow silage is comprehensive in nutrition, is winey and improves appetite of a barren sow, and the barren sow loves to eat and grows fast.

The invention discloses a diesel oil particle capturing device ash cleaning liquid and a preparation method thereof, wherein the ash cleaning liquid is prepared from the following raw materials by mass: 1-10 parts of a surfactant aid, 5-15 parts of a surfactant, 5-15 parts of an ash scavenger, 1-10 parts of a chelating agent, 0.05-0.15 part of a corrosion inhibitor, 0.05-0.15 part of a defoaming agent, 0.05-0.15 part of a dispersing agent and the balance of water. According to the invention, the diesel oil particle capturing device ash cleaning liquid can rapidly dissolve metal oxides, sulfates, phosphates, silicates and chlorides in DPF ash to make the metal oxides, the sulfates, the phosphates, the silicates and the chlorides react to form water-soluble compounds so as to be taken away by the aqueous solution and discharged, and the compounds formed by the reaction have surface activity, so the dissolving cleaning of soot particles is easily achieved.

A disposable surface-enhanced Raman spectroscopy chip is in a flaky structure, and includes a bottom layer, a middle layer and a surface layer, the bottom layer is an insulating substrate, the middle layer is a conductive layer, and the surface layer is a coating layer with surface-enhanced Raman spectroscopy effect. A preparation method of the disposable surface-enhanced Raman spectroscopy chip is as follows: the conductive layer is formed on the insulating substrate by screen printing method or vacuum evaporation or sputtering method, and a coating film with the surface-enhanced Raman spectroscopy effect can be obtained by electrodeposition treatment at room temperature. The surface layer nano structure has larger roughness, namely larger specific surface area, can load more to-be-tested molecules, and has a certain role to enhance the Raman signal. The disposable surface-enhanced Raman spectroscopy chip has low production cost and price advantage, can be used in one time and disposable to reduce interference and reuse pollution problems, after the test, surface cleaning treatment is not needed, and the disposable surface-enhanced Raman spectroscopy chip is easy to use.

The invention discloses an integrated liquid crystal display television. The integrated liquid crystal display television comprises a front frame and a rear plastic shell. A groove which is outwards convex is formed in the inner side of the rear plastic shell. Line outlets are formed at the groove. An electronic device unit is fixedly arranged in the groove. LED light bars, a reflective sheet, a diffusion plate and membrane unit, a rubber frame and a display screen are arranged in sequence in the rear plastic shell in the direction that the electronic device unit faces the front frame, wherein the front frame which is connected with the rear plastic shell is arranged at the front side of the display screen. According to the technical scheme, the rear plastic shell can also be used as a rear shell of a traditional direct type integrated liquid crystal display television and a rear metal plate of a liquid crystal display module, and the liquid crystal display module is fixed into the rear shell of the liquid crystal display television. Due to the fact that a real metal plate is omitted, the manufacturing time is shortened, material cost is reduced, and the product has the price advantage; in addition, due to the fact that the rear metal plate is omitted, the weight of the television is reduced, and the integrated liquid crystal display television has the advantages of being thin, attractive and high in integrality.

The invention relates to a fiber web winding machine, especially to an intermediate winding machine for fiber webs. The intermediate winding machine comprises an uncoiling unit (10), a winding shaft bearing (25), an extending roller (21) and a coiling unit (30), wherein the coiling unit (30) comprises a winding drum (31) for forming a winding roller gap between itself and a to-be-wound machine roll (15). The winding drum (31) for the coiling unit (30) of the intermediate winding machine has at least two positions substantially in the vertical direction, wherein one of the positions is a winding position, where the winding drum and the to-be-formed machine roll (15) form the winding roller gap.

The invention relates to a spinning printing and dyeing green environment-friendly edible acidic body and a preparation method thereof and belongs to the technical field of spinning printing and dyeing. The acidic body comprises, by weight parts, 26-36 parts of deionized water, 4.6-6.8 parts of potassium peroxymonosulfate, 10-16 parts of white vinegar and 56-68 parts of citric acid. The spinning printing and dyeing green environment-friendly edible acidic body is non-toxic, safe, environmentally friendly and bright. When the spinning printing and dyeing green environment-friendly edible acidic body is used, a soaping agent does not be added. Metal ions in water, such as calcium ions, magnesium ions, arsenic ions, lead ions and mercury ions, can be complexed, so that the product is safe and non-toxic. The surface of a printed and dyed textile is not white. The spinning printing and dyeing green environment-friendly edible acidic body has high dirt-removing capacity and can prevent pollution by mixed colors. The treated textile is good in color fastness and does not shade. Secondary pollution to other products by the treated textile in the using process can be effectively prevented.

The invention provides a method for producing cattle and sheep feed by taking passion fruit shells as a raw material. The cattle and sheep feed is prepared from the following raw materials in parts by weight: 40 to 50 parts of the passion fruit shells, 20 to 30 parts of a plant material, 10 to 15 parts of fungus chaff of edible fungi, 6 to 10 parts of waste vegetable leaf concentrated juice, 6 to 10 parts of corn meal, 5 to 8 parts of salt, 3 to 5 parts of rice bran, 2 to 5 parts of soybean meal, 1 to 2 parts of honey, 0.1 to 0.5 part of a fermentation strain and 0.1 to 0.3 part of a microelement; the plant material is one or a mixture of more than one of corn straw, fresh forage grass and ramulus mori; the microelement is prepared from the following components in parts by weight: 2 to 5 parts of ferrous sulfate, 1 to 3 parts of zinc sulfate, 2 to 4 parts of calcium oxalate, 2 to 4 parts of copper sulfate, 1 to 3 parts of manganese sulfate and 0.5 to 1.5 part of boric acid. The cattle and sheep feed prepared by fermenting has comprehensive nutrients, has a sweet flavor and can be used for improving the appetite of cattle and sheep; the cattle and the sheep love to eat the feed and grow rapidly.

The invention discloses a method for preparing modified epoxy acrylate. The method comprises the following steps of: (1) synthesizing an intermediate: adding anhydride, hydroxyl acrylate monomers, an anti-oxidant 1 and a polymerization inhibitor 1 in turn into a reaction kettle in turn, uniformly stirring, heating to the temperature of between 80 and 120DEG C, reacting for 2 to 3 hours, and discharging a material (marked as A) for later use; (2) expanding chain of organic acid: adding epoxy resin, organic diacid and a catalyst 1 into the reaction kettle in a formula ratio, uniformly stirring, slowly heating to the temperature of between 90 and 120DEG C, reacting for 2 to 3 hours, and after the acid value is less than or equal to 1mgKOH / g, starting cooling water to cool to the temperature of between 50 and 70DEG C; (3) heating for esterification: adding the material A, a catalyst 2, a polymerization inhibitor 2 and an anti-oxidant 2 into the reaction kettle in a formula ratio in turn, heating and keeping temperature; (4) cooling and diluting; and (5) performing central control inspection. The molecular weight can be properly increased, flexible groups can be increased, and the glass-transition temperature of the product is reduced.

The invention discloses a method for fermentation production of a cattle and sheep feed by taking soybean curb residues as a raw material. The cattle and sheep feed is prepared from the following raw materials in parts by weight: 30-35 parts of soybean curd residues, 25-35 parts of a plant material, 10-15 parts of dried waste vegetable leaves, 8-10 parts of edible mushroom residues, 6-10 parts of a concentrated juice of waste vegetable leaves, 5-10 parts of corn flour, 5-6 parts of salt, 3-5 parts of rice bran, 2-5 parts of bean pulp, 1-2 parts of molasses, 0.1-0.5 part of a fermentation strain, and 0.1-0.3 part of microelements, wherein the plant material is one of or a mixture of more than one of corn stalk, fresh forage grass and mulberry twigs; and the microelements consist of the following components in parts by weight: 2-5 parts of ferrous sulfate, 1-3 parts of zinc sulfate, 2-4 parts of calcium oxalate, 2-4 parts of copper sulfate, 1-3 parts of manganese sulfate, and 0.5-1.5 parts of boric acid. The cattle and sheep feed prepared after fermentation according to the method disclosed by the invention is comprehensive in nutrition, has a fragrant and sweet taste, and improves the appetite of cattle and sheep, and the cattle and sheep love to eat the feed and grow fast.

The invention relates to a mobile type digital positron life spectrometer comprising a digital oscilloscope, two photoelectric detectors and a high-voltage power supply, wherein the digital oscilloscope is provided with a digital positron life spectrum analyzing and drawing system, and the two photoelectric detectors are oppositely arranged. The designed digital positron life spectrometer has few components and convenient transportation, is very easy to assemble and use and can jointly identify impulse amplitude, impulse area amplitude rate and rise time in software. Compared with the traditional life spectrometer, the mobile type digital positron life spectrometer has higher instrumental resolution and price advantage at the same time, thereby having high performance price ratio.

The invention discloses an antibacterial mothproofing agent for bedding and a preparation method of the antibacterial mothproofing agent. The antibacterial mothproofing agent is prepared from the rawmaterials in percentage by weight: 0.5 to 8 percent of antibacterial agent, 1 to 10 percent of mothproofing agent, 0.3 to 1 percent of emulsifier, 0.2 to 0.4 percent of dispersing agent, 0.1 to 0.3 percent of cross-linking agent, and the balance of water; the antibacterial agent is selected from one or more of extract of herba caryopteris incanae, extract of folium eriobotryae and extract of folium myricae rubrae; and the mothproofing agent is selected from one or two of folium artemisiae argyi volatile oil and stemonine. The preparation process of the antibacterial mothproofing agent is simple, safe and environmentally friendly, does not produce harmful substances influencing the safety of the human body and environment, can also effectively inhibit the bacteria and prevent the breeding of moth, and can reduce the harm of the moth and bacteria on the health of the human body, thereby playing a role in preventing the diseases, and having an important significance and a wide applicationprospect.

The invention discloses a coating for electric power fittings and a preparation method thereof. The coating for the electric power fittings is composed of, by mass, 60-80 parts of a silica solution, 15-30 parts of epoxy resin, 15-25 parts of polyester resin, 10-16 parts of SHP-50 polysiloxane powder, 15-20 parts of polyimide resin, 7-12 parts of acetylene black, 6-15 parts of nanometer titania, 8-10 parts of water glass, 4-8 parts of petroleum asphalt, 8-15 parts of guar gum WP-05, 6-10 parts of SER-AD FA 179, 3-5 parts of diethylenetriamine, 2-4 parts of antioxygen 1076, 5-8 parts of phosphate aluminum-chromium and 1-3 parts of a sodium hydroxide solution. The coating is prepared through the steps of mixed smelting, crushing, mixing, stirring, aging and the like. The coating has the advantages that the coating has excellent corrosion resistance and corona resistance, gathering of electric charges can be reduced, the probability of partial discharge breakdown is lowered, the corona-resistant protective effect is achieved, and the problems of aging, corrosion and the like in the use process of the electric power fittings are effectively prevented.

The invention provides a catalyst for preparing cyclohexylbenzene by hydroalkylation of benzene, a preparation method and application thereof, and belongs to the field of catalytic materials. The catalyst provided by the present invention for the preparation of cyclohexylbenzene by hydroalkylation of benzene, the active component is a non-noble metal M, including at least one of Fe, Co, Ni and Cu, and Hβ, HY and Hβ-HY One of the composite molecular sieves is used as a carrier, and the mass content of the non-noble metal M is 0.1%-40%. The catalyst provided by the invention uses non-noble metals as active components, has price advantages, reduces the production cost of the catalyst, has good activity at low temperature, and has high selectivity of target products. At a lower working temperature (can be as low as 130° C.), the selectivity of cyclohexylbenzene prepared by catalytic benzene hydroalkylation is as high as 97.3% by using the catalyst provided by the application, which greatly reduces the amount of cyclohexylbenzene produced by benzene hydrogenation. The production cost of base system cyclohexylbenzene is suitable for large-scale industrial production.

The invention provides a sealed plastic basin, belonging to the technical field of articles for daily use and aiming at providing a novel basin which has the durability of enamel basin and the advantageous price of plastic basin. The adopted technical scheme is that the inner container of the basin is made of common metal materials and the periphery is made by plastic sealing.

The invention relates to a cold-state asphalt ton box type transportation method. The method comprises the following steps of 1, cooling hot-state asphalt, filling the asphalt ton box with the cooledhot-state asphalt, and cooling the ton box until the surface temperature is reduced to 46 DEG C or below; 2, loading the ton box into a transport vehicle and then transporting the ton box to a destination, wherein the transport vehicle is an ordinary truck; 3, unloading again to disassemble the ton box, and then heating the solid asphalt through the heating device to convert the solid asphalt intoliquid asphalt, wherein the heating device is movable; and 4, recycling and folding the empty box after the box is disassembled, and transporting the empty box back to a subpackaging site for later use. Compared with an automobile transportation tank car, the method has the price advantage, and the storage cost is reduced for customers; the ton box is small and exquisite in package, the box bodyis detachable, the destination heating efficiency is high, the occupied space is small after the box body is detached, recycling is convenient, and the operation turnover efficiency is higher than that of a railway container; and the return transport vehicle can load other cargos, no-load return is avoided, and cost is saved.

The invention relates to a yarn navel of an air spinning device, which has a coaxial structure arranged in an inlet funnel, and grooves arranged at a distance, which are positioned at the downstream of the coaxial structure. According to the invention, the coaxially arranged structures ( 30 ) are formed by circular protrusions or grooves ( 32 ) of different diameters.

A manufacturing method for a cheap transparent conducting film includes processing steps as the follows: preparing film coating solution, cleaning base material, coating film, electrode making, annealing and electrified aging formation. The manufacturing method is characterized in that the formula of the film coating solution is that the main material zinc acetate is 88g, dopant alchlor is 5g, high-temperature resistance stabilizer titanium chloride is 2g, high-temperature resistance stabilizer lead acetate is 4g, lead escape inhibitor manganous chloride is 1g, cosolvent acetic acid is suitable in proportion, and solvent distilled water is 500 to 1000g. The preparing steps of the film coating are as follows: A, using the acetic acid to acidize the distilled water, and covering for future use; B, weighing the titanium chloride according to the formula and covering for future use; C, weighing other components to be dissolved in the acidized distilled water, dripping slowly the titanium chloride solution to be sufficiently and uniformly mixed, and covering for future use; cleaning the base material; and carrying out film coating, electrode making and electrified aging formation of the base material. Compared with the existing transparent oxide conducting film, the cheap transparent conducting film has the advantages of cheap raw material, excellent cost performance and low cost, and is suitable for making the transparent conducting film.

The invention provides a method for producing cattle and sheep feed by taking shells as raw materials. The feed is prepared from the following raw materials in parts by weight: 25-35 parts of shells, 25-30 parts of plant materials, 10-15 parts of discarded dried vegetable leaves, 6-10 parts of discarded vegetable leaf concentrated juice, 8-10 parts of corn meal, 5-8 parts of edible mushroom bran, 5-6 parts of salt, 3-5 parts of rice bran, 2-5 parts of bean meal, 1-2 parts of molasses, 0.1-0.5 part of fermented strains and 0.1-0.3 part of trace elements, wherein the plant materials include one of corn stalk, fresh pasture and mulberry twigs or mixture of more than one of corn stalk, fresh pasture and mulberry twigs; and the trace elements comprise the following components in parts by weight: 2-5 parts of ferrous sulfate, 1-3 parts of zinc sulfate, 2-4 parts of copper sulfate, 1-3 parts of manganese sulfate and 0.5-1.5 parts of boric acid. The cattle and sheep feed prepared after fermentation contains comprehensive nutrients, is fragrant and sweet and promotes the appetite of cattle and sheep; and the cattle and sheep love to eat the feed, so that the cattle and sheep can grow quickly.

The invention discloses a dehydrocarbon process suitable for high-hydrocarbon-rich carbon dioxide gas, and relates to the field of carbon dioxide dehydrocarbon purification. The pretreated carbon dioxide-rich raw material gas is divided into two streams through an improved polyimide membrane group. One is feed gas with hydrocarbon content less than 0.02%, and the other is feed gas rich in hydrocarbons. The flow ratio of the two gases is about 1:1. By this method, the gas flow rate that needs to be heated up is halved, the power of the heater is halved, and the energy consumption is reduced by 50%. The other stream containing trace hydrocarbons directly enters the next process. Since the hydrocarbon content is very small, It can be directly liquefied into industrial-grade liquid carbon dioxide, or slightly purified as food-grade liquid carbon dioxide.