14results about How to "Improves moisture retention" patented technology

The invention relates to the field of biomedical materials, in particular to a novel composite collagen material for wound repair, and particularly relates to a preparation method of the novel composite collagen material containing 21-type recombinant humanized collagen (ColpepA1 21) and application of the novel composite collagen material in wound repair. The ColpepA1 21 is used for remarkably promoting key biological reactions in the wound healing process, including accelerating cell migration, enhancing the skin hydration state and barrier function and improving the stability and elasticity of the skin structure, a novel composite collagen material is developed, wound healing and cell regeneration can be effectively promoted, and oxidative damage can be relieved.

The invention discloses a construction method for governing and repairing desertification degraded grassland in an arid area, and relates to the technical field of sand governing. The method comprises the following steps: evaluating a native vegetation type, vegetation coverage, a soil degradation and desertification degree, a soil type and a water resource condition; performing classified measures according to natural conditions, and determining different types of dune (flowing, fixed or semi-fixed) treatment measures; construction preparation; grid sand barriers are laid on the windward sides of the moving dunes and the semi-fixed dunes, and sand stabilization operation is conducted in a mechanical and manual combined mode; digging pits to plant indigenous shrubs subjected to special treatment, and using rooting water retention bags to improve the survival rate; the granular organic fertilizer and the seeds are mixed and stirred according to a certain proportion and then sown into soil at a time, the operation frequency is reduced, and precise fertilization is achieved. Through effective sand prevention and control measures, the sand wind damage is reduced, the living environment of farmers and herdsmen is protected, and the living quality is improved.

The invention relates to a soil conditioner for saline-alkali land treatment and a preparation method, and belongs to the technical field of soil conditioners. The soil conditioner for saline-alkali land treatment is prepared from a fermented fertilizer, biomass charcoal II, corn straw powder, attapulgite powder, humic acid and a compound microbial agent. The soil conditioner disclosed by the invention can be used for reducing the pH value of soil, reducing salinity, promoting the recovery of organic matters and improving the fertility of the soil, and is beneficial to improving the yield of crops.

The invention relates to the technical field of soil improvement, and discloses a soil improvement fertilizer and application thereof in saline-alkali soil improvement, a preparation method of the soil improvement fertilizer comprises the following steps: mixing cow dung, chicken manure and straw, and carrying out anaerobic fermentation to obtain an organic fertilizer; mixing soybean, corn and seaweed, performing enzyme catalysis treatment, and extracting to obtain an amino acid liquid fertilizer; soaking brown algae in hot water, filtering and concentrating to obtain a seaweed extract; uniformly mixing silicate minerals, natural gypsum powder, the organic fertilizer, the amino acid liquid fertilizer and the seaweed extract, and sequentially drying and crushing to obtain the soil improvement fertilizer. According to the soil improvement fertilizer disclosed by the invention, various components such as the organic fertilizer, the amino acid liquid fertilizer, the seaweed extract, the silicate minerals and the gypsum powder are meticulously proportioned, so that the soil fertility can be remarkably improved, the soil structure is optimized, the growth of plant root systems is promoted, the stress resistance of plants is enhanced, and the sustainable utilization of soil is improved for a long time.

The invention relates to the technical field of agricultural fertilizers, in particular to a preparation method of a soil improvement type microbial fertilizer, which is used for solving the problems that most of microbial fertilizers are poor in water retention capability and microbial activity, complex in preparation process and high in cost, and the effect of the microbial fertilizers in practical application is restricted. According to the preparation method, various raw materials are reasonably compounded, rich nutritional ingredients are provided for the soil improvement type microbial fertilizer, the load type complex microbial inoculants are added into the soil improvement type microbial fertilizer, the synergistic effect of various beneficial microorganisms can be achieved, and therefore the soil structure is effectively improved, the soil fertility is improved, and plant growth is promoted; the fertilizer has the advantages of good fertilizer holding capacity, degradability and water and fertilizer saving, the yield and quality of crops are finally improved, and the purpose of agricultural ecological environment protection is achieved.

The invention relates to the technical field of ecological restoration and water resource management, in particular to a novel brick material based on corn straw as well as a preparation method and a use method of the novel brick material, and provides the novel brick material based on the corn straw in order to solve the problems of high water loss speed and slow ecological restoration of peat land. Comprising the following raw material components: corn straw powder, corn straw charcoal, calcium bentonite and corn stigma fiber, the corn straw powder, the charcoal, the calcium bentonite and the corn stigma fiber are mixed according to a specific proportion, and the mixture is subjected to compression molding to prepare the brick with good moisture retention performance and ecological compatibility. The method is specially used for water retention and vegetation recovery of the peat land.

The invention relates to the technical field of fertilizers, discloses a multifunctional soil conditioner for improving saline-alkali soil as well as a preparation method and application of the multifunctional soil conditioner, and aims at solving the problem that a traditional soil conditioner is single in function. The invention provides a comprehensive soil improvement scheme capable of simultaneously improving soil fertility, structure and microbial environment and supplementing trace elements. The multifunctional soil conditioner for improving the saline-alkali soil has remarkable effects in the aspects of improving soil quality, promoting plant growth and increasing crop yield.

The invention discloses low-carbon coconut fiber modified ardealite vegetation concrete and a preparation method thereof. The ardealite vegetation concrete is prepared from the following components in parts by mass: 10 to 15 parts of anhydrous ardealite, 65 to 80 parts of natural aggregate, 0.5 to 2.5 parts of carbide slag, 3 to 9 parts of mineral powder, 0.07 to 0.5 part of alkali modified coconut fiber and 0.1 to 0.5 part of water reducing agent. The low-carbon coconut fiber modified ardealite vegetation concrete has excellent mechanical properties, ecological compatibility and durability, and the preparation method is simple, low in cost and suitable for industrial application.

The invention discloses an antibacterial packaging material as well as a preparation method and application thereof. The antibacterial packaging material is prepared from pineapple leaf fiber carboxymethyl cellulose, carboxymethyl cellulose, cationic starch, 3-hydroxyl octoate, alpha-tocopherol, dimethylbiguanide hydrochloride, a plasticizer, nitrogen-doped carbon quantum dots, plant essential oil, nano zeolite powder, carvacrol and citric acid. The preparation method comprises the following steps: dispersing the cationic starch in the deionized water, dispersing the pineapple leaf fiber carboxymethyl cellulose and carboxymethyl cellulose in the deionized water, completely dissolving, adding into a starch solution, sequentially adding the rest components, uniformly mixing, heating, reacting, forming a film, and drying to obtain the packaging material. According to the antibacterial packaging material, the cationic starch, the carbon quantum dots, the plant essential oil and other related components are combined for the first time to form a novel antibacterial packaging material, the antibacterial performance is remarkably improved and kept for a long time through the synergistic effect of all the components, and the antibacterial packaging material is high in material stability, simple and convenient in preparation process, low in cost and high in application and popularization value.

The invention relates to the technical field of daily chemicals, in particular to an anti-inflammatory repair composition as well as a preparation method and application thereof. The composition comprises a rhizoma anemarrhenae extract obtained by fermenting rhizoma anemarrhenae with eurotium cristatum. The composition provided by the invention enhances the moisture retention ability of the skin, helps to form a moisturizing barrier, and prevents moisture loss of the skin; the composition contains flavonoid and polysaccharide compounds, and can scavenge free radicals and play an anti-oxidation role, so that skin aging is slowed down, and the skin is protected from being damaged by environmental pressure. The formula can inhibit the formation of melanin, and is beneficial to improving uneven skin color and improving the brightness of the skin.

This invention relates to a cosmetic composition using a polyol having a layered liquid crystal structure, which forms a stable layered liquid crystal structure by comprising a polyol, a surfactant, a higher alcohol, and a thickener. Furthermore, the high polyol content enables excellent moisture retention and enhances long-lasting moisturizing properties.

The invention belongs to the technical field of soil improvement, and relates to a planting method combining protective tillage with organic fertilizer application. The invention provides a planting method combining protective tillage with organic fertilizer application, which comprises the following steps: performing deep scarification before sowing, then applying modified starch, a microbial organic compound fertilizer and a nitrogen-phosphorus-potassium ternary compound fertilizer, and finally sowing crops, the modified starch is phosphorylated distarch phosphate or acetylated distarch phosphate; the effective viable count in the microbial organic compound fertilizer is more than or equal to 5 billion / g, and the organic matter content is more than or equal to 60%. According to the method, the influence of different cultivation modes and different auxiliary additives on the soil organic matter content and nutrient circulation is explored. In this way, the organic matter content of the soil can be protected and increased, and the fertility and stress resistance of the soil are enhanced.

The utility model provides a chestnut garden soil improvement deep ploughing device. The chestnut garden soil improvement deep ploughing equipment comprises a supporting plate, a box body is fixedly mounted at the top of the supporting plate, and a balancing weight is arranged in the box body; the sliding rod is installed on the supporting plate in a sliding mode, and a fixing block is fixedly installed at the bottom end of the sliding rod; the sleeve shell is fixedly installed on the fixing block through a bolt, and a deep ploughing plough used for improving the soil of the Chinese chestnut garden is fixedly installed on the sleeve shell. The chestnut garden soil improvement deep ploughing device solves the technical problems that due to the fact that an existing deep ploughing device cannot conduct fertilization in the soil ploughing process, fertilization needs to be conducted additionally or manually if fertilization needs to be conducted after deep ploughing, and then the soil improvement efficiency is affected.

The invention discloses a method for efficiently synthesizing a carboxymethyl monosaccharide compound in one step and application of the carboxymethyl monosaccharide compound, and the synthesis method comprises the following steps: (1) in a round-bottom flask, dissolving a basic catalyst in water, after the solution is cooled to room temperature, adding monosaccharide, fully stirring to dissolve the monosaccharide, and continuously stirring in a constant-temperature water bath; (2) dissolving a chloroacetic acid solid in water, slowly dropwise adding a chloroacetic acid solution into the round-bottom flask, and continuously reacting in a constant-temperature water bath; (3) monitoring the reaction process by adopting thin-layer chromatography, and adjusting the pH value of the solution by using acid after the reaction is finished; and (4) cooling to room temperature, carrying out solvent concentration and column chromatography separation, and collecting a target fraction. Monosaccharide and chloroacetic acid are used as raw materials, the monosaccharide compound is subjected to carboxymethylation modification under the alkaline catalysis condition, two carboxymethyl monosaccharide compounds with excellent moisture retention performance can be efficiently prepared in one step, and the preparation efficiency is remarkably improved; the synthesized compound is used as a humectant in tobacco products, and the physical moisture retention performance of the compound is superior to that of traditional propylene glycol.