11results about How to "Improve absorption and utilization" patented technology

This invention discloses a Cu2O / Cu3VO4 heterojunction catalyst, its preparation method, and its application in the photocatalytic reduction of CO2 to multi-carbon products, belonging to the field of catalyst materials technology. The preparation method includes: dissolving a copper source and a vanadium source in water to obtain a solution; mixing the solutions and adjusting the pH to 5-8 to obtain an initial solution; dispersing the solid from the initial solution after centrifugation in a mixture of ethylene glycol and water; and performing a hydrothermal reaction at 150-200℃ for 8-12 hours; washing and drying the reactants, and then calcining them at 500-600℃ for 2-5 hours under an inert atmosphere to obtain the Cu2O / Cu3VO4 heterojunction catalyst. In this catalyst, Cu2O and Cu3VO4 form a closely contacted heterojunction structure, enabling efficient separation of photogenerated electrons and holes under a built-in electric field and enhancing the absorption of visible light. Under visible light irradiation, this catalyst can reduce CO2 to multi-carbon products such as CO, CH4, C2H4, and C2H6, with an electron selectivity of up to 79% for the C2 products. The preparation process of this invention is simple and low-cost, and the resulting catalyst has broad application prospects in the field of photocatalytic CO2 reduction.

The invention relates to the photovoltaic field, and provides a back contact battery and a manufacturing method thereof, a laminated battery and a photovoltaic module, and the back contact battery comprises a battery substrate which is provided with a first surface and a second surface which are opposite to each other; the isolating membrane is positioned on the first surface; the isolating membrane comprises at least two isolating units, the surface, far away from the first surface, of each isolating unit comprises a first area and a second area surrounding the first area, each isolating unit comprises a first part located in the first area and a second part located in the second area, the first part is provided with a groove sunken towards the battery substrate, and the edge, far away from the first part, of the second part is fluctuant; and an electrode on the second surface. The invention is at least beneficial to improving the light absorption and utilization rate of the back contact cell by means of the isolating membrane.

This utility model relates to the technical field of fruit tree fertilization equipment, specifically to an arc-shaped trenching fertilizer applicator, comprising a body with a fertilizer storage bin mounted on it; it also includes an arc-shaped drive mechanism and a conveying mechanism, the arc-shaped drive mechanism being connected to a trenching blade assembly and a soil return mechanism; the arc-shaped drive mechanism drives the trenching blade assembly and the soil return mechanism to move relative to the body along an arc-shaped fertilization line; the conveying mechanism is connected to the fertilizer storage bin and is used to output fertilizer from the storage bin through a discharge port; the discharge port is located between the trenching blade assembly and the soil return mechanism. The arc-shaped trenching fertilizer applicator proposed in this utility model allows the body to maintain linear movement while performing circular fertilization around each tree, thus eliminating the need to increase the machine's movement distance and bringing the fertilization line closer to the trees, avoiding ineffective fertilization and improving fertilizer absorption and utilization.

This invention discloses an organic trace element complex for lactating dairy cows, comprising the following components in parts by weight: 40-70 parts of hydroxymethionine complex, 0.1-0.2 parts of sodium iodide, 30-45 parts of yeast selenium, 0.1-0.2 parts of cobalt sulfate, 10-25 parts of synergist, and 5-10 parts of carrier. This invention also discloses the preparation method and application of the above-mentioned organic trace element complex. When used in lactating dairy cows, the various hydroxymethionine complexes can effectively pass through the rumen to the small intestine and be absorbed through amino acid channels, meeting the needs of dairy cows for various trace elements during lactation. The synergistic effect of the various hydroxymethionine complexes and the synergist can improve the lactation performance of dairy cows, increase milk production, enhance the body's resistance, significantly reduce the incidence of mastitis and hoof diseases, and alleviate ketosis.

This invention provides a traditional Chinese medicine compound preparation for treating vaginitis and its preparation method. The raw materials of the traditional Chinese medicine compound preparation include: 8-12 parts of Callicarpa macrophylla, 8-12 parts of Cnidium monnieri, 3-6 parts of Astragalus membranaceus, 3-6 parts of Sophora flavescens, 3-6 parts of Stemona japonica, 3-6 parts of Kochia scoparia, 3-6 parts of Saposhnikovia divaricata, and 1-2 parts of Gleditsia sinensis. The preparation method is as follows: S1, the raw materials such as Cnidium monnieri are cut into small pieces, the small pieces are expanded under high pressure, and then pulverized to obtain expanded powder; S2, the expanded powder is enzymatically hydrolyzed to obtain enzymatic hydrolysate, then glucose and peptone are added and mixed, and mixed fermentation bacteria are inoculated and cultured by shaking to obtain mixed culture solution; S3, the mixed culture solution is percolated and extracted, the percolate is collected, filtered, and concentrated to obtain compound drug, which is then used to prepare a wash or suppository to obtain the target traditional Chinese medicine compound preparation. The traditional Chinese medicine compound preparation of this invention mainly uses Callicarpa macrophylla and Cnidium monnieri, and works synergistically with Astragalus membranaceus, Sophora flavescens, Stemona japonica and other raw materials to effectively inhibit pathogenic bacteria such as Staphylococcus aureus that cause vaginitis, and can also regulate the vaginal environment to effectively treat vaginitis.

The application discloses a glyphosate herbicide composition, which comprises an active ingredient glyphosate, a phosphorus-containing additive, amino acids, an auxiliary agent and other substances. The herbicide composition has a synergistic effect compared with single glyphosate herbicide and glyphosate and phosphorus-containing additive combined herbicide.

The invention relates to the technical field of biological medicine, and particularly discloses a preparation method of a collagen and anti-propionibacterium acnes gamma protein combined preparation, and the preparation method of the collagen and anti-propionibacterium acnes gamma protein combined preparation comprises the following steps: preparing anti-propionibacterium acnes gamma protein; adding water into the anti-propionibacterium acnes gamma protein and the recombinant III-type collagen, stirring and mixing, adding glycerol and a neutralizing agent, and mixing to obtain a uniform solution; the preparation method comprises the following steps: dispersing carbomer with water, adding a preservative and a humectant, mixing, finally adding the uniform solution, and mixing to obtain the required collagen and anti-propionibacterium acnes gamma protein combined preparation. The combined preparation prepared by the method can be used for effectively treating acnes, is remarkable in curative effect, does not generate drug resistance, is short in treatment cycle, can quickly eliminate skin damage, promote cell growth and adhesion and repair skin barriers, and does not generate new rash after healing.

This application relates to the field of solar cells, disclosing perovskite materials, perovskite layers, their preparation methods, perovskite solar cells, and photovoltaic modules. The perovskite material has a band gap of 1.65 eV to 1.75 eV, and its chemical formula is ABX3, where A is an A-site cation, B is a B-site cation, and X is an X-site anion. The elements corresponding to the X-site anion include iodine, bromine, and chlorine. In the perovskite material, the mass percentage of bromine is 0.0001% to 0.0012%, and the mass percentage of chlorine is 0.0005% to 0.0020%. The perovskite material provided in this application, while meeting the wide band gap requirement, helps to avoid the formation of bromine-rich phases, thereby effectively preventing the separation of bromine and iodine phases and ensuring that the perovskite layer prepared using this material has high structural stability.

This invention provides a glycosylated peptide chelated iron pyrophosphate supplement, its preparation method, and its application. The raw materials for preparing the glycosylated peptide chelated iron pyrophosphate supplement include glycosylated peptides, iron pyrophosphate, and a solubilizer. The glycosylated peptide is a β-glucan-grafted casein phosphopeptide, and the solubilizer is sodium pyrophosphate. The glycosylated peptide chelated iron pyrophosphate supplement of this invention exhibits good water solubility, color stability over a wide pH range, coexistence with nutrients such as vitamin C and oils, high iron loading capacity, good stability in gastric juice, sustained iron release in simulated intestinal fluid, and high iron absorption and utilization rate, significantly improving anemia in iron-deficiency anemia mice. The excellent absorption performance and superior physicochemical properties of the glycosylated peptide chelated iron pyrophosphate supplement of this invention make it a potential candidate for widespread application in the iron supplement market.

This invention discloses a portable breakwater and a combined breakwater device based on wave energy power generation, aiming to solve the problems of traditional floating breakwaters, such as limited wave energy conversion methods, low energy utilization, complex structure, and limited operating environments. The portable breakwater of this invention includes an upper floating body, a lower floating body, a first power generation component, a second power generation component, and an energy storage component. The first and second power generation components are disposed within the upper floating body, and the energy storage component is disposed within the lower floating body. The first and second power generation components are electrically connected to the energy storage component. The energy of the wave impact is converted into electrical energy by the first power generation component, and the energy of the portable breakwater floating in the waves is converted into electrical energy by the second power generation component, enabling the breakwater to absorb wave energy more comprehensively and improving energy absorption and utilization efficiency.

This invention belongs to the field of traditional Chinese medicine, specifically relating to an enzyme-bacterial symbiotic fermentation compound composition for improving sleep and its preparation method. This invention discloses an enzyme-bacterial symbiotic fermentation compound composition for improving sleep, the active ingredients of which are prepared by fermentation of the following raw materials in parts by weight using a compound microbial agent: 10-30 parts of Codonopsis pilosula, 10-30 parts of Astragalus membranaceus, 5-15 parts of Ziziphus jujuba, 10-20 parts of Poria cocos, 3-10 parts of Glycyrrhiza uralensis, 5-15 parts of Angelica sinensis, 5-10 parts of Citrus reticulata peel, 3-8 parts of Zingiber officinale, and 10-30 parts of Ziziphus jujuba seed; wherein the compound microbial agent includes lactic acid bacteria and yeast. Through the "enzyme-bacterial symbiotic fermentation" process, the compound medicinal materials undergo deep biotransformation using microbial enzyme systems, degrading large molecular effective components into small molecules, greatly improving the dissolution rate and human absorption and utilization rate of the active ingredients, thus enhancing and accelerating the efficacy of traditional prescriptions.