627results about How to "Wide range of sources" patented technology

The invention discloses a composition and an application thereof in regulating intestinal flora of animals. The composition contains aloe, probiotics and prebiotics, wherein the mass ratio of the aloe to the probiotics to the prebiotics is (6 to 3 to 1)-(6 to 1 to 3). The inventor discovers that the composition disclosed by the invention can effectively promote the proliferation of useful bacteria such as bifidobacterium and lactobacilli in animal intestines, so as to effectively regulate the intestinal flora of animals; therefore, the composition can be used for preventing or treating diabetes on the basis of the effect of the intestinal flora.

The invention relates to a method for efficiently preparing cotton based mesoporous activated carbon fiber. The method comprises a step (1) of washing cotton, placing the cotton in a hydrothermal reaction kettle, performing heating to 150-200 DEG C at the heating rate of 5-30 DEG C/min, performing hydrothermal carbonization, performing heat preservation for 1-3 hours and then performing cooling to room temperature; a step (2) of dipping carbonization materials obtained from the step (1) into activator solution, performing microwave-ultrasonic joint dipping for 5-30 minutes and then performing filtration, sending filtration materials to a microwave heating device, performing activation for 5-15 minutes at 250-350 DEG C and then stopping microwave output, and a step (3) of washing the activated materials to be neutral and performing drying to obtain the activated carbon fiber. According to the method, the characteristics of microwave inner heating and selective heating are fully utilized, the technological process is simple, the activation temperature is only 250-350 DEG C, the activation time is only 5-15 minutes, the mesoporous proportion of the activated carbon fiber of the product reaches 50-90%, and the adsorptive property is good.

The invention provides an ink-jet recording material and a preparation method thereof as well as a method for preparing an ink absorption layer coating liquid, and relates to an ink-jet material and a preparation method thereof as well as a method for preparing an ink absorption layer coating liquid, so that the problems of poor ink absorption effect, nonuniform color distribution of printed images, unclear printed images and higher preparation cost of the existing ink-jet recording material can be solved. The ink-jet recording material is prepared from the ink-jet layer coating liquid which is prepared from PVC (polyvinyl chloride) serving as a base material, a 20-30% polyacrylic acid emulsion serving as a primer, an inorganic nano-pigment with the thickness of 10-100nm, a dispersing agent, acetic acid, deionized water and an adhesive aqueous solution. The prepared ink-jet recording material prepared through PVC material corona treatment, PVC substrate glue coating, drying, ink absorption layer coating and drying has the advantages that that the printed image is clear, the ink droplet does not diffuse, and the color is distributed uniformly; and the ink-jet recording material has excellent performances of color definition, color saturation, glossiness and the like. The raw material cost and the manufacture cost are low, so the ink-jet recording material is advantageous to industrial production, popularization and application.

The invention discloses a preparation method of a porous silicon carbide nanofiber. The preparation method comprises the following steps of: (1) preparing a carbon nanofiber precursor polymer spinning solution; (2) performing electrostatic spinning to prepare a polymer nanofiber; (3) carrying out pre-oxidization crosslinking on the polymer nanofiber; (4) carrying out high-temperature firing on the pre-oxidized polymer nanofiber to prepare a carbon nanofiber; and (5) carrying out carbon thermal reduction on the carbon nanofiber and silicon powder to obtain the porous silicon carbide nanofiber. According to the preparation method, the morphology, the diameter and the ordering of the obtained silicon carbide nanofiber can be effectively regulated and controlled through simple means; the production cycle is relatively short so that expanded production can be conveniently realized and the preparation process is simple so that the industrial production can be conveniently realized; the porous silicon carbide nanofiber has wide application prospect in the fields of high-temperature filtration, high-temperature catalysis, catalyst carriers, heat insulation and sound insulation, gas separation, chemical sensors and the like.

The invention relates to a shaddock peel activated carbon preparation method, comprising (1) washing the shaddock peels and removing the surface foreign materials and drying at 110-120 DEG C; (2) moving into a carbonization furnace for carbonizing 120-180 minutes at the carbonization temperature of 500-600 DEG C and in the oxygen isolation condition; (3) grinding, mixing with KOH powder and activating in the air flow at 700-800 DEG C and under 0.10-0.15 MPa; (4) activating the product and adding water to wash, dewatering, crushing and grading the solid material. The inventive method has simpleoperation, low cost, and environmental protection. Compared with the activated carbon prepared from other materials, the obtained activated carbon has more ducts, good adsorption, larger specific surface area and bigger pore volume.

The invention belongs to the material and component field of organic ultraviolet detector comprising a substrate, a transparent conductive film, an electronic donor layer, a mixing layer, an electronic receptor layer, and an electronic collection electrode layer, characterized in that: the thin mixing layer of electronic donor and electronic receptor is disposed between the electronic donor layer and the electronic receptor layer, and the absorption band of the used functional material is located in the ultraviolet region of 300-400nm, the UV light with center wavelength of 365nm are used as UV light source. The organic light detector is organic photovoltaic diode which is sensitive to ultraviolet light and not sensitive to the visual light, can be applicable in the science, industry and business field with simple fabricating process, cheap material and component, small volume, and convenience for carrying, therefore tending to be used widely.

The invention discloses a health staple food flour special for diabetes patients, which is prepared from full wheat flour taken as a raw material, and tartary buckwheat swelling powder, oat swelling powder, soybean protein powder, young oat powder, wheat gluten and stevia rebaudiana taken as accessories in certain proportion. The preparation method for the health staple food flour special for the diabetes patients comprises that: high-quality full wheat flour, the tartary buckwheat swelling powder, the oat swelling powder, the soybean protein powder, the young oat powder, the wheat gluten are firstly selected and baked respectively, weighted in proportion, mixed evenly, screened and packaged into a finished product. The health staple food flour special for the diabetes patients and the preparation method thereof have scientific formula and strong pertinency, change the current situation that more diseases are generated due to nutrition deficiency and physical condition deterioration caused by depending on the control of the staple food in the prior diabetic treatment, and provide a novel food therapy concept of sufficient staple food, balanced nutrition and systematic interference.

Relating to cobalt sulfur compounds, the invention provides a preparation method and application of a cobalt sulfur compound. The method includes: dissolving a water soluble cobalt source and urea in a mixed solvent to form a solution, carrying out reaction to obtain cobalt carbonate, performing calcinations to obtain a cobalt oxide, and reacting the cobalt oxide with a sulfur source in a reducing atmosphere to obtain a micrometer-scale cobalt sulfur compound. The micrometer-scale cobalt sulfur compound can be spherical cobalt sulfur compound or lamellar square-like cobalt sulfur compound, and the obtained cobalt sulfur compound can be Co9S8, CoS, Co3S4 and CoS2, etc. The cobalt sulfur compound prepared by the preparation method provided by the invention can be applied as an electrode active material in preparation of secondary battery electrodes. According to the invention, specific shape cobalt sulfide can be prepared, is low in synthesis cost and has high tap density, and can be applied to secondary battery electrode materials, optical parametric oscillators, semiconductor materials, solar cells and other aspects.

A transition metal sulfide coated with carbon, a preparation method and an application relate to transition metal sulfide. The transition metal sulfide coated with the carbon comprises a nucleus and a coating layer on the surface of the nucleus, wherein the nucleus is a transition metal sulfide nucleus, and the coating layer is a carbon coating layer. The preparation method comprises the steps as follows: dissolving the transition metal sulfide in water, adding a carbon source, and coating the surface of the transition metal sulfide with carbon. The transition metal sulfide coated with the carbon is applied to preparation of an electrode material, and the electrode material could be a battery electrode material or the like, and is specifically used as an electrode active material to be applied in a secondary battery. The transition metal sulfide coated with the carbon is greatly improved in conductive performance, further improved in charge and discharge capacity and rate capability, greatly improved in coulombic efficiency and cycle performance, and low in material cost and simple in preparation process. The composite material used as an electrode material of a secondary lithium battery has high energy density, excellent cyclicity, and especially excellent rate capability, and is safe and reliable.

The invention belongs to the technical field of the biomass material processing and discloses an alkali lignin-based electrostatic spinning carbon fiber and a preparation method and application thereof. The preparation method comprises the steps of dissolving alkali lignin and polyacrylonitrile in N, N-dimethylformamide to obtain a uniform lignin/polyacrylonitrile solution; then performing electrostatic spinning to obtain a lignin-based nanofiber membrane; heating the membrane in carbonization equipment to 200-280 DEG C; pre-oxidizing for 2-8h in an air atmosphere, heating to 600-900 DEG C, carbonizing in nitrogen gas or argon gas atmosphere and grinding to obtain the alkali lignin-based electrostatic spinning carbon fiber. According to the method, alkali lignin and polyacrylonitrile are used as carbon sources of carbon materials, and the method has the advantages of environment friendliness and low preparation cost; and the carbon fiber can replace graphite to be used as the positive electrode material of a lithium battery.

The invention discloses a production process of high-elasticity non-woven three-dimensional cotton, comprising the following steps: mixing a low melting point hot melting viscose fiber and at least two fibers of other fibers in proportion; opening and scotching, and feeding cotton and carding and delivering to a vertical lapping forming machine to carry out vertical forming process. A fiber net is continuously folded and descends in a forming curtain at the action that a pendulum-type swinging folding mechanism swings left and right reciprocately, becomes continuous fiber net layers which are arranged in a vertical direction in a steerable channel, and finally forming the three-dimensional cotton which is arranged in a vertical direction through heat setting and cooling setting. The production process in the invention realizes production through a conventional non-woven heat setting machine at the condition of not adding any chemical adhesive, and sets the product thickness and density according to the process requirements; the process is simple, practical and efficient; any fiber can be used as the basic fiber of the material; the regenerated fiber also can be used for forming; and the material source is wide, is easy to obtain, and is relatively environment-friendly.

The invention provides a method for enhancing recovery ratio of coal-bed gas by injecting hot carbon dioxide into a coal bed, which comprises the following steps: 1) after implementing a coal-bed gas multi-branch horizontal well on the ground, draining water of a single well to reduce the pressure, and naturally generating gas until the yield is lower than the industrial gas flow standard; 2) draining water to reduce the pressure, and injecting hot carbon dioxide into the well, wherein the temperature of the injected hot carbon dioxide is 180-220 DEG C, and the injection pressure does not exceed 5 MPa; 3) shutting in the gas well for soaking; 4) draining water to reduce the pressure, and generating gas; 5) separating carbon dioxide and coal-bed gas from the generated gas; and 6) repeating the steps 2)-5) until the yield is lower than the industrial gas flow standard, and shutting in the well. The method provided by invention can effectively lower the coal-bed methane content and greatly enhance the coal-bed gas yield, thereby achieving the goal of industrialized development of coal-bed gas.

The invention provides a method for mixed acid leaching and recovery of metal components of positive pole materials of waste and old lithium ion batteries. The method comprises carrying out coarse crushing on wastes, drying the crushed wastes, pre-leaching the wastes through a mixed acid containing a reduction agent to obtain pre-separated residues, carrying out ball milling, carrying out primary and secondary leaching, mixing the primary and secondary leachates and the pre-leachate, adjusting pH of the mixture, carrying out suction filtration to obtain aluminum hydroxide and raffinate containing cobalt and lithium, adjusting pH of the raffinate containing cobalt and lithium at a high temperature, carrying out suction filtration to obtain cobalt hydroxide and raffinate containing lithium, carrying out concentration on the raffinate containing lithium at a high temperature, adding a saturated sodium carbonate solution into the concentrate to obtain high purity lithium carbonate, and recovering aluminum foil. The method utilizes a mixed acid leaching agent, has high leaching efficiency, can gradually acquire high purity aluminum, aluminum hydroxide, cobalt hydroxide and high purity lithium carbonate (having purity of 99.9%), realizes efficient recovery, overall recovery and collaborative recovery of high-value metals in the waste and old lithium-ion batteries and has a good application prospect.

The invention discloses a cementing material for preparing a road base material through using brick and concrete building wastes. The cementing material is obtained through uniformly mixing 50-70 parts by mass of slag, 10-30 parts by mass of gypsum, 5-20 parts by mass of lime, 5-25 parts by mass of fly ash and 0-5 parts by mass of sodium sulfate. When the cementing material is applied, regenerated brick and concrete aggregates and the cementing material, or industrial slag, a mine tailing material and the cementing material are used as basic raw materials, and are mixed to prepare the road base material. The advantages comprising environmental protection, waste utilization, cheapness, economy and the like are possessed in the invention.

The invention discloses a coating process for a pipeline three-layer structural anticorrosive coating. The coating process comprises the following steps of: 1) performing fusion bonded epoxy (FBE) coating, namely heating a coated substrate, and spraying epoxy powder to the surface of the coated substrate by an electrostatic spraying process to melt an epoxy powder coating and cure the epoxy powder coating into a bottom coating; 2) performing air dielectric (AD) coating, namely coating adhesive powder to the surface of the coated substrate during gelling of the epoxy powder, wherein the surface temperature of the coated substrate is between 170 and 225 DEG C, and the coating thickness is between 80 and 350 mu m; and 3) performing polyolefin coating, namely winding a fabricated polyolefin coil strip on the coated substrate before an adhesive is cooled, wherein the coating thickness is between 0.5 and 4.0mm. By the AD powder coating process, the wound coating is tightly adhered to the substrate, and the anticorrosive coating has high integrity, cathodic disbonding resistance and compactness.

The invention provides homogeneous and high-efficient water-based pesticide aerosol with low VOC (Volatile Organic Compounds) content. The homogeneous and high-efficient water-based pesticide aerosol comprises the following components in parts by weight: 25-40 parts of dimethyl ether, 40-60 parts of de-ionized water, 10-20 parts of edible alcohol with mass-percentage concentration of 95 percent, 0.05-2 parts of dimefluthrin, 0.1-0.4 part of rich-d-transallethrin, 0.1-0.3 part of permethrin, 0.05-0.2 part of d-trans-cyphenothrin, 0.05-0.2 part of sodium benzoate, 0.05-0.2 part of sodium nitrite, 0.05-0.2 part of sodium dodecyl sulfate succinate, 0.05-0.2 part of triethanolamine, 0.1-1.0 part of synergist and 0.1-0.5 part of essence. According to the homogeneous and high-efficient water-based pesticide aerosol with low VOC content, disclosed by the invention, the advantages of good atomizing effect and insert-killing effect can be achieved without vibration and shaking before use.

The invention discloses an edible composition, comprising a probiotic culture. The probiotic culture is obtained by cultivating probiotics by using a culture medium. The edible composition disclosed by the invention has the functions of adjusting intestinal flora, regulating blood sugar level, reducing blood fat and improving the immunity.

The invention relates to a method utilizing waste and bacterium dreg generated during the process of producing edible fungi from straw raw materials to produce a microorganism organic bacterium fertilizer. The method takes the waste and bacterium dreg generated in the process of producing edible fungi from straw as the raw material, and then subjects the raw materials to technology processes of bacterium dreg pretreatment, preparation of an activating and fermenting liquid, and microorganism secondary fermentation so as to produce the microorganism organic bacterium fertilizer. The product can be used as a normal microorganism bacterium fertilizer, can improve the agricultural crop output by 3% or more, and achieves the goals of soil structure modification, soil pH value adjustment, fertilizer cost reduction, output and quality improvement, and pesticide residue degradation, and the like. The method provided by the invention has the advantages of mature and practicable technology route, abundant and wide source of raw material for production, low cost, and convenient preparation; has production technology innovation and an application promotion value, solves the problems of resource waste and secondary pollution existing in the straw cyclic utilization, increases the economic income for farmers, and achieves the goal of agricultural development.

The invention provides a method for preparing high-purity vanadium pentoxide by using a vanadium-contained material. The method comprises the following steps: the vanadium-contained material is roasted to obtain a roasted product with the content of vanadium pentoxide below 49 wt%; then, the roasted product and a chlorinating agent are reacted in an inert atmosphere at a reaction temperature of 150-200 DEG C to obtain vanadium oxytrichloride gas and residues; the aftertreatment is performed for the vanadium oxytrichloride gas to obtain the high-purity vanadium pentoxide; and the chlorinating agent is selected from anhydrous aluminum trichloride or a mixture of anhydrous aluminum trichloride and sodium chloride. The method is mild in conditions, escapes vanadium in a gas form, is easy to separate vanadium from other substances, is higher in product purity, saves subsequent separation and impurity removal steps, and can obtain vanadium pentoxide products with the purity of not lower than 99%. The method is simple in technological process, short in needed reaction time, wide in raw material sources and easy to obtain raw materials, effectively reduces the production cost, reduces generation of three wastes, and is low in environmental pollution.

The invention discloses a corn oligopeptide powder buccal tablet and a preparation method thereof. The corn oligopeptide powder buccal tablet comprises the following components in part by weight: 25-3-5 parts of corn oligopeptide powder, 10-20 parts of hovenia acerba extract, 5-1-5 parts of kudzu root extract, 0.5-5 parts of dried tangerine peel extract, 0.5-5 parts of amomum extract, 0.5-5 parts of ginger extract, 0.5-5 parts of poria extract, 0.1-0.-5 parts of food additive, 1.5-2.-5 parts of mint extract, 35-4-5 parts of white granulated sugar and 0.1-1 part of anti-caking agent. The preparation method comprises the following steps: crushing raw materials, softening the raw materials, granulating by a wet method, drying, sieving, finishing granules, adding the anti-caking agent, tabletting and packaging. The corn oligopeptide powder buccal tablet is scientific and reasonable in formulation, all-around in nutritional and health-care functions of protecting the liver, relieving alcoholism, strengthening the spleen and the stomach and reducing the blood pressure and the blood lipid, good in palatability, safe and non-toxic; and the preparation method is simple and feasible and low in cost.