46results about How to "Promote hydration" patented technology

This invention belongs to the technical field of cultivation equipment and discloses a water curtain-type vegetable cultivation component and an aquaponics hydroponic device. One of the water curtain-type vegetable cultivation components includes a cultivation rack with at least one water storage layer and at least one cultivation layer arranged longitudinally below the water storage layer. Each water storage layer has an overflow drain outlet capable of forming a water curtain. Each cultivation layer contains a cultivation cavity, and the upper surface of the cultivation layer has at least one planting hole communicating with the cultivation cavity. The cultivation rack also has longitudinally distributed water curtain channels. Each cultivation cavity of each cultivation layer has an overflow outlet corresponding to the water curtain channel and communicating with the water curtain channel through the overflow outlet. The water curtain channel communicates with the water storage layer through the overflow drain outlet. This water curtain-type vegetable cultivation component can be used independently as a hydroponic device for vegetable cultivation or placed within an aquaponics hydroponic device, making it more flexible and practical.

The utility model relates to the technical field of sand stabilization vegetation deep root irrigation, in particular to a deep root irrigation device for improving the stability of sand stabilization vegetation. The utility model provides a deep root irrigation device for improving stability of sand-fixing vegetation, which can irrigate according to the length of a plant root system, ensure that the plant root system can obtain sufficient water and improve the utilization efficiency of water resources. A deep root irrigation device for improving stability of sand stabilization vegetation comprises a planting surface layer, pipelines and the like, and the pipelines are connected to the upper sides of the left portion and the right portion of the planting surface layer. By adding more water sources, the floating ball moves upwards through the buoyancy of water, the connecting rod, the stop block and the water leakage plate are driven to move upwards, the water seepage holes are blocked through the stop block, water is discharged into the splicing pipe below through the water leakage plate and the water outlet, irrigation can be carried out according to the length of the plant root system, and the irrigation efficiency is improved. It is ensured that the plant root system can obtain sufficient water, and the water resource utilization efficiency is improved.

The invention relates to the field of agricultural chemistry, in particular to a corn drought-resistant reinforcing agent based on permeation regulatory factors and a preparation method of the corn drought-resistant reinforcing agent. The reinforcing agent is composed of modified polyvinyl alcohol, 1, 3-dimethyl sulfonamide, chitosan, glycyrrhizic acid, glycerin and a water-soluble surfactant, the modified polyvinyl alcohol is prepared through synergistic modification of 1-methyl-3-ethylimidazole chlorinated amino acid salt and glutaraldehyde, and the hydrophilicity and molecular flexibility are improved through ionic liquid modification; and the structural stability is enhanced through glutaraldehyde crosslinking. 1, 3-dimethyl sulfonamide is used as a permeation regulation and control small molecule and can maintain permeation balance inside and outside cells and promote water absorption and maintenance. The enhancer can obviously improve the water-retaining property, the root activity and the antioxidant enzyme activity of corn leaves, reduce the relative conductivity and maintain the integrity of cell membranes. According to the invention, the synergistic effect of structure modification, permeation regulation and control and cell protection is realized, and the method has high-efficiency, environment-friendly and generalizable drought-resistant application value.

This utility model discloses a lotus planting pond, including a planting pond body and a water storage tank. Multiple partitions are fixed inside the planting pond body, each partition having a drainage structure. A water pump is installed between the planting pond body and the water storage tank to pump water from the storage tank into the planting pond body. A water outlet structure is provided on one side of the planting pond body, including outlet pipe one, outlet pipe two, and outlet pipe three. This application, through the planting pond body, partitions, drainage structure, and water outlet structure, allows for corresponding adjustments to the water level in the planting pond body at different growth stages of the lotus, ensuring optimal water levels for lotus growth during the seedling, growth, and flowering stages. This helps guarantee the survival rate and growth vigor of the lotus at different stages, resulting in better lotus growth and enhanced ornamental value.

This invention discloses a liquid crystal cream with high penetration capability, its preparation method, and its application. The liquid crystal cream comprises: an oleophilic emulsifier, a hydrophilic emulsifier, long-chain fatty alcohols and esters, and the remainder being humectants, thickeners, chelating agents, emollients, preservatives, active ingredients, and deionized water. This invention's small liquid crystal moisturizing cream has an excellent skin feel, good absorption, is breathable and non-comedogenic, and can form a biomimetic moisturizing film with good skin affinity on the skin, enhancing skin hydration and moisturizing ability, effectively improving skin condition, and achieving the effect of protecting and repairing the skin barrier. The system exhibits good long-term stability and a complete liquid crystal structure. Furthermore, tests show that this small liquid crystal cream has a significant penetration effect on both oil-soluble and water-soluble active ingredients. It is expected to achieve better skincare effects by incorporating different active ingredients in the field of functional skincare cosmetics.

This invention discloses a modified volcanic rock ultrafine composite admixture and its preparation method, belonging to the technical field of building materials and solid waste resource utilization. The admixture is composed of volcanic rock, S95 grade mineral powder, fluorogypsum, silica fume, lime powder, nano-alumina, triisopropanolamine, and polycarboxylate superplasticizer in a specific ratio. The invention also discloses its preparation method, including drying, weighing, and co-grinding the raw materials to a D50 of 7.0-8.0 μm. Through the synergistic activation effect among the components, especially the depolymerization of the volcanic rock vitreous network by F⁻ in the fluorogypsum, the adjustment of the calcium-silicon ratio between the mineral powder and volcanic rock, and the combined effect of nanomaterials and chemical additives, the early and late-stage activity of the volcanic rock is significantly improved, and the water demand is reduced. The obtained admixture has a 7-day activity index ≥85%, a 28-day activity index ≥88%, and a water demand ratio ≤108%, and can directly replace traditional mineral powder and fly ash in concrete, solving the problem of the scarcity of high-quality admixtures in western regions, and has significant economic and social benefits.

The application discloses a kind of high density low rebound shotcrete and preparation method thereof, it is related to shotcrete field, and preparation method includes: (1), respectively to cementitious material, fine aggregate, coarse aggregate is using MAA model to be packed and the design ratio of each raw material in interior is obtained;(2), cementitious material, fine aggregate, coarse aggregate and the rebounding agent of design ratio obtained according to step (1) are fully mixed, water, water reducing agent is mixed, then by the way of mixing with pressurized air, incorporate accelerator, obtain high density low rebound shotcrete.The application uses early strength rebounding agent, improves the pumpability of shotcrete, accelerates the early hydration of concrete, under the joint action of alkali-free accelerator, rapidly improves the early mechanical properties of shotcrete, improves shotcrete construction efficiency.Multiple close packing is used, and cementitious material, fine aggregate, coarse aggregate respectively form close packing structure, effectively improve the plastic viscosity of paste and the compactness of concrete.

The utility model discloses a steamer with a fishing structure for food cooking, and relates to the technical field of food processing. The steaming pot comprises a pot body, a steaming tray and a pot cover, a water supplementing assembly is arranged at the front end of the pot body and comprises a water supplementing barrel fixedly connected to the lower portion of the front end face of the pot body, the bottom of the water supplementing barrel is fixedly communicated with a water supplementing pipe, the bottom end of the water supplementing pipe extends to the lower portion of the inner side of the pot body, and a fishing assembly is further arranged on the inner side of the pot body. Steam exhausted by the pot body is input into the water replenishing barrel through the air inlet pipe, water in the water replenishing barrel is heated, the water in the water replenishing barrel is replenished into the pot body through the floating plate and the water replenishing pipe, the problem that in the prior art, water is inconvenient to replenish to the pot body in the cooking process is solved, and the cooking efficiency is improved. The lifting ring and the water leakage plate are driven by the pull rod to ascend and descend, so that food materials or auxiliary materials in the pot body are fished through the water leakage plate, and the problem that the food materials or the auxiliary materials in the pot body are inconvenient to fished in the prior art is solved.

The invention relates to the technical field of box culvert structures, in particular to a UHPC steel bar box culvert structure and a prefabrication method thereof. The box culvert main body is mainly formed by pouring a cementing material, aggregate, filler, an additive, water and ultra-high performance concrete added with mixed fibers. The structural strength is improved by adjusting the water-binder ratio of concrete raw materials, the structural density is reduced by using pre-wetted shale ceramsite, hollow glass beads and other light materials in the concrete raw materials, and the tensile property of the structure is improved by optimizing the adding proportion of steel fibers and polypropylene fibers. In the prefabrication process, an overturning inner mold is adopted as a reinforcing steel bar binding platform, and high-temperature steam is used for concrete curing. Through the optimization, the high-strength characteristic of the concrete box culvert is ensured, meanwhile, the overall density and the wall thickness of the box culvert are effectively reduced, and the tensile capacity of the box culvert structure is remarkably improved.

The present application relates to the technical field of 3D printing concrete, and discloses a preparation method of 3D printing concrete mixed with plant fibers, which comprises the following steps: step 1, soaking and drying the plant fibers treated with water glass in saturated limewater; step 2, blending the plant fibers with sulphoaluminate cement; step 3, preparing alkali-activated 3D printing concrete and pumping it by taking 30-50 parts of water glass, 20-40 parts of sodium hydroxide, 100-200 parts of limestone powder, 1000-1200 parts of sand, 100-200 parts of extra-fine sand, 400-500 parts of mineral powder, 50-150 parts of rice husk ash, 20-40 parts of hydroxypropyl methyl cellulose, 220-300 parts of water and 5-10 parts of water reducing agent according to mass fraction; step 4, forcibly stirring the concrete and adding the product obtained in step 2; and step 5, printing the concrete and spraying a setting agent between the concrete layers. The present application helps to improve the constructability of 3D printing concrete and reduce its shrinkage.

The utility model provides a pavement maintenance device for municipal engineering, and belongs to the technical field of road maintenance. The pavement maintenance device for municipal engineering comprises a base, a water tank, a filter plate, a sprinkler pipe, a nozzle, a height adjusting mechanism, an unfolding mechanism, a water supply mechanism and a water replenishing mechanism, the water tank is fixed to the upper surface of the base, the filter plate is fixed in the water tank, the sprinkler pipe is fixed to one end of a transverse shaft, and the nozzle is fixed to the other end of the transverse shaft. The spraying nozzles are linearly arranged on the water spraying pipes at equal intervals, the height adjusting mechanism is installed on the base and used for adjusting the height of the water spraying pipes, and the unfolding mechanism is installed on the connecting block and used for unfolding or folding the two water spraying pipes. According to the pavement maintenance device for municipal engineering, water in a side ditch is conveniently injected into the water tank through the water supplementing mechanism, water supplementing into the water tank is facilitated, time and labor are saved, and better use experience is brought to a user.

The utility model provides a clothes airing machine which comprises a clothes airing machine main machine module and an airing rod lifting device, and the airing rod lifting device is connected with the clothes airing machine main machine module in a lifting mode and can be folded or unfolded relative to the clothes airing machine main machine module. The clothes airing machine host module is provided with an atomizer, and the lower part of the atomizer is provided with a communication interface; the airing rod lifting device is provided with a water tank, and a communicating connector is arranged on the face, facing the atomizer, of the water tank. And when the airing rod lifting device ascends to a folding position, the communication joint is connected with the communication interface, so that the water tank is communicated with the atomizer. According to the clothes airing machine, the airing rod lifting device ascends to the folding position to enable the atomizer to be communicated with the water tank, water in the water tank is atomized through the atomizer to act on clothes on the airing rod, and the water tank can achieve convenient water supplementing.

The application discloses a kind of northern wind erosion area mine slope artificial sowing combined surface crust ecological restoration method, utilize the soil-like substrate formed in the process of mine development, simulate natural soil structure, large-diameter soil-like substrate is spread to the bottom layer of tillage layer, small-diameter substrate is spread to surface layer, while surface layer substrate is mixed with a small amount of guest soil and various fertilizers, stratified construction tillage layer soil layer, meet the index requirement required for seed germination and growth.Surface crust is sprayed from three aspects of matrix fertilization, water conservation, crust water conservation and so on, which can ensure the normal germination of plants and prevent wind erosion.According to the wind erosion wind power and seed germination, the principles of vegetation reconstruction species selection, combination of shrubs and grasses, combination of legumes and grasses, combination of perennials and annuals, combination of taproot system and fibrous root system, combination of pioneer species and constructive species, plant selection and proportioning are carried out to increase species diversity and reduce the risk of diseases and pests.

The present application belongs to the technical field of carbon fixation coating, and particularly relates to a titanium-based biomass coating, a preparation method and application thereof. The titanium-based biomass coating provided by the present application is coated on the surface of cement-based material in the plastic stage, and the nucleation effect of nano-titanium dioxide can accelerate the hydration of the surface layer of the cement-based material, refine the size of calcium hydroxide, and provide more reactants for the carbonation reaction. The present application loads carbonic anhydrase on the surface of nano-titanium dioxide, which inhibits the problem of nano-titanium dioxide agglomeration, and the nano-titanium dioxide has good stability and biocompatibility, so that the fixed carbonic anhydrase has good activity and stability. The carbonic anhydrase can accelerate the absorption of carbon dioxide, form high-concentration bicarbonate ions in the pore solution on the surface of the cement-based material, promote the carbonation reaction process, rapidly form calcium carbonate on the surface layer of the cement-based material, and form a dense surface layer structure, so that early rapid carbon fixation is realized in a low-concentration carbon dioxide environment, and the occurrence of sustained carbonation is inhibited.

The application discloses a kind of thin layer nanocomposite membranes and its preparation method and application, belong to membrane separation technical field.The method first polyamino monomer and 2,4,6-triformylphloroglucinol in organic solvent are catalyzed polymerization, and covalent organic polymer nanoparticles are prepared;Subsequently, the nanoparticles are reacted with sodium alginate to obtain hydrophilic modified nanoparticles;Finally, the modified particles are added to the aqueous phase, and the organic phase is interfacially polymerized and heat treated on the substrate to obtain a thin layer nanocomposite membrane.The application constructs a hydrophilic network and a charged nanopore, significantly improves the permeation flux of the membrane, while maintaining a high rejection rate for divalent salt, achieving the synergistic optimization of high flux and high ion selectivity, and can be applied to water treatment, desalination, magnesium-lithium separation and other fields.

The application discloses a high-heredity-performance high-health-degree pig whole-process nutrition precise feeding method, and particularly relates to the pig scale breeding technical field, and comprises seven-stage fine feed design from the teaching trough milk powder material to the fattening material, and the whole process adopts the automatic dry and wet trough for feeding from the teaching trough granule material stage, and a three-stage progressive growth constraint relationship is established, and the three are closely related and indispensable; meanwhile, the mixed weight ratio of the feed and water is strictly fixed in the rearing stage, a semi-liquid uniform porridge material is formed, and the water-feed ratio is dynamically controlled in the growth and fattening stage. Through the cooperation of the stage target control and the staged precise liquid feeding, the technical contradiction that the early feeding amount and the dry matter intake amount of the high-heredity-performance pig are difficult to be considered is solved, the growth potential of the pig is fully tapped under the premise of guaranteeing the high health degree, and the application has the significant advantages of low feed-meat ratio, high health degree and good uniformity of the marketable pigs.

The invention discloses a three-dimensional composite interplanting method for interplanting poria cocos and peanuts. The three-dimensional composite interplanting method comprises the following steps: S1, soil preparation; s2, applying a composite soil conditioner and building furrows; s3, putting the poria cocos into a cellar; s4, peanut sowing; s5, field management in the symbiotic period; s6, harvesting in a staggered manner. According to the method, the poria cocos is planted underground, the peanuts are planted on the ground, after the peanuts are harvested, the ground surface is covered with peanut straw, the poria cocos is shaded, the physical properties of soil are improved by returning the peanut straw to the field, two kinds of medicines and grains are planted in one field through poria cocos and peanut interplanting, and the land utilization rate is increased; meanwhile, the composite soil conditioner prepared by a specific method is applied, long-acting and synergistic biological stimulation is provided for the two crops, the soil permeability is improved, and special pretreatment is performed on pine sections, so that the poria cocos inoculation rate, stress resistance and yield of poria cocos strains are remarkably improved, the soil micro-ecological environment is improved, the soil permeability and enzyme activity are improved, and the yield of the poria cocos strains is increased. And double improvement of economic benefits and ecological benefits is realized.

The invention discloses a high-permeability rose collagen compound for deeply repairing and whitening and tendering lip color and application thereof, the compound takes recombinant collagen, rose hip oil ceramide, rose PDRN and grape flower cell extract as functional components, and a penetration enhancer is used for improving the transdermal absorption of the collagen and other components and improving the bioavailability of the active components. The rose collagen compound disclosed by the invention has the effects of relieving, deeply repairing, whitening and tendering the lip color, resisting wrinkles, fullness and the like, and can be applied to lip cosmetics such as lipsticks, lip masks and the like.

This invention discloses a lithium slag composite admixture, low-carbon lithium slag concrete, and their preparation method, belonging to the field of concrete technology. The method includes the following steps: preparing calcium-type lithium slag synthetic zeolite using lithium slag; preparing lithium slag-based negatively charged mesoporous silica using the waste liquid generated during the preparation of the calcium-type lithium slag synthetic zeolite; and finally mixing the calcium-type lithium slag synthetic zeolite, the lithium slag-based negatively charged mesoporous silica, and the undisturbed lithium slag to obtain the composite admixture. This invention solves the problem of excessively high SO3 content in lithium slag concrete under high admixture dosage, and also addresses the technical defects of insufficient lithium slag activity and low concrete strength, effectively reducing the cracking risk of lithium slag concrete, comprehensively improving the density and workability of lithium slag concrete, and realizing the high-value-added resource utilization of lithium slag solid waste.

The application discloses a controllable water-permeable solidified grouting material and a preparation method and application thereof, belongs to the technical field of geotechnical engineering foundation reinforcement and underground cavity filling, and aims to solve the technical problem that existing grouting materials are difficult to keep a certain solidified strength and accurately control the water permeability coefficient according to geological requirements to adapt to different hydrogeological environments. The controllable water-permeable solidified grouting material comprises, in weight parts, 45-55 parts of a main solidified base material, 8-18 parts of a water-permeable control system, and 25-35 parts of deionized water. The water-permeable control system comprises porous volcanic rock powder, lignin fiber and modified bentonite, and the mass ratio of the porous volcanic rock powder, the lignin fiber and the modified bentonite is 50:35:15. The porosity of the porous volcanic rock powder is 45%-55%, the length of the lignin fiber is 3 mm-6 mm, and the expansion rate of the modified bentonite is 150%-280%.

The utility model relates to a crystal fine grinding device which comprises a base station with a grinding working groove, a crystal rotating disc, a rotating disc driving assembly, a grinding disc, a swing arm and a swing arm driving mechanism. Wherein the swing arm comprises a transverse swing arm, a longitudinal swing arm and a vertical limiting frame; the vertical limiting frame comprises a vertical limiting rod, at least three connecting frames distributed in an annular array mode, a limiting wheel rod and a limiting wheel, the vertical limiting rod is connected to the front end of the longitudinal swing arm, and the multiple connecting frames are connected to the lower end of the vertical limiting rod in a radial mode; each vertical limiting rod is connected with a limiting wheel rod extending downwards, the lower end of each limiting wheel rod is rotationally connected with a limiting wheel, and the limiting wheels are attached to the side edge of the grinding disc so as to drive the grinding disc to move. The grinding device has the advantages that the grinding disc can make partial surface contact with a crystal, water replenishing is facilitated, the grinding effect is improved, the grinding disc is limited through the limiting wheel, it is guaranteed that the position of the grinding disc is accurate, and it is also guaranteed that the weight except the grinding disc interferes with grinding.

This invention provides an amphoteric crosslinking agent, a copolymer flow modifier, its preparation method, and its application. The invention prepares a multi-carboxyl amphoteric crosslinking agent, which is obtained by polymerizing an enamide monomer, a sulfonic acid monomer, an alkyl methacrylate, and the amphoteric crosslinking agent. The copolymer flow modifier provided by this invention is a hydrophobic crosslinking type high-temperature resistant flow modifier with a temperature resistance up to 240℃, a NaCl salt concentration resistance up to 15%, and a viscosity retention rate of over 80%. It exhibits excellent rheological properties after high-temperature aging and has broad application prospects in the field of high-temperature water-based drilling fluids.

The utility model discloses a three-electric cooling device for a tractor, which belongs to the technical field of coolers and comprises a motor and controller cooling device and a battery cooling device, the motor and controller cooling device comprises a box body, a cooler, a water pump, a water pipeline and a water temperature sensor, the cooler is arranged in the box body, the water pump is arranged at the bottom of the box body, and the water temperature sensor is arranged in the box body. The water inlet pipe is connected with the water pump, one end of the water inlet pipe is connected to the exterior of the box body and provided with a water inlet, the water injection pipe is connected with the water pump and the cooler, the middle of the water outlet pipe is connected with a water outlet branch, the water outlet branch is connected with the cooler, and the water outlet pipe is arranged in the box body and penetrates through the box body to be provided with a water outlet. The water temperature sensors are arranged on the water injection pipe and the water outlet pipe; and the battery cooling device is arranged above the box body. The motor and controller cooling device is integrated, space is saved, a user can use the device easily and conveniently, and the heat dissipation effect is improved through self-adaptive regulation and control.

The invention provides a mobile humidifying device based on distributed sensing, and relates to the technical field of humidifying devices.The mobile humidifying device comprises a charging adaptation layer, a mobile driving layer, a humidifying water storage layer, a core function layer and an air outlet control layer, a charging base is arranged on the charging adaptation layer, a base is arranged on the mobile driving layer, a variable-speed motor is arranged in the base, and the variable-speed motor is connected with the core function layer. According to the system, indoor multi-point temperature and humidity data are collected through the distributed SHT30 temperature and humidity sensors, the obstacle detection function of the obstacle avoidance radar and the K-means clustering analysis and path planning algorithm of the electric control assembly are combined, the indoor multi-point temperature and humidity data are acquired, the indoor multi-point temperature and humidity data are acquired, the indoor multi-point temperature and humidity data are acquired, and the indoor multi-point temperature and humidity data are acquired through the obstacle avoidance radar and the K-means clustering analysis and path planning algorithm of the electric control assembly. Accurate positioning and autonomous moving navigation of the device on a drying area are achieved, the problems that a traditional humidifying device is limited in coverage range and uneven in humidity regulation and control are solved, indoor global accurate humidity regulation and control are achieved, and a servo motor drives a rotating column, a V-shaped connecting rod and a sectional type arc-shaped plate to cooperatively operate.

The present application relates to the technical field of food condiment, in particular to a kind of halal composite seasoning and preparation method thereof.The seasoning includes the following mass parts of raw materials: edible mushroom enzymatic hydrolysate 30-50 parts, yeast extract 5-15 parts, edible salt 10-20 parts, white granulated sugar 5-12 parts, glucose 1-5 parts, sodium glutamate 3-8 parts, disodium inosinate 0.5-2 parts, halal spice powder 8-15 parts, vegetable oil 5-10 parts, resistant dextrin 3-8 parts, malt dextrin 2-6 parts.The preparation method includes: mixing edible mushroom enzymatic hydrolysate, yeast extract, glucose and vegetable oil to carry out Maillard reaction, to obtain reaction base material;mixing reaction base material and the remaining raw materials to carry out homogenization and sterilization to obtain the present application.The present application is through the synergy of edible mushroom enzymatic hydrolysate and yeast extract, Maillard reaction aroma enhancement, specific ratio dextrin flavor protection, so that the seasoning has the characteristics of rich and full umami, good heat resistance, flavor lasting.

The utility model discloses a kind of grass double-line one-belt type wind-preventing sand-fixing structures, it is related to wind-preventing sand-fixing technical field, including outer frame, the inside of outer frame is provided with inner frame, the inner frame and outer frame are two, two The herb zone is jointly connected between the outer frame, the middle position of the inner frame inside is provided with planting frame, the inside of herb zone is provided with compost area, sand barrier area is provided between the outer frame and inner frame, the four sides of the inner frame and outer frame are all penetrated and set up a plurality of through holes, the spacing between the inner frame and outer frame is thirty centimeter, the width of outer frame is one meter.The utility model is provided with a series of structures, reduces sand-fixing afforestation cost, implements low-density sand-fixing afforestation, improves construction efficiency and quality controllability, reduces the cost and interference of multiple construction, the porous ceramic material used can be naturally weathered and degraded after service life, paper core uses biodegradable material, without recycling, no secondary pollution.

The invention relates to the technical field of microorganisms, and particularly discloses lactobacillus reuteri RC-19 beneficial to moisturizing of a human body. The strain is preserved in the China Center for Type Culture Collection (CCTCC) on June 6, 2025, and the preservation number of the strain is CCTCC No. M20251292. The bacterial strain can promote keratinocytes to secrete hyaluronic acid (HA) and enhance a skin barrier function (TEER is increased, and Occludin / Claudin-1 is up-regulated) mechanism, so that the moisture degree of the skin is remarkably improved. The human body trial verifies that the skin moisture content can be increased by 57.1% after the emulsion (the formula comprises RC-19 fermentation filtrate, sodium hyaluronate and the like) containing the emulsion is continuously used for 4 weeks, and the safety is high. The invention provides an endogenous and long-acting probiotic solution for improving the dry skin.

This invention discloses a concrete composite admixture for precast concrete wind turbine tower components, comprising the following components by weight: 40-60 parts anhydrous calcium sulfoaluminate, 5-15 parts nano-calcium carbonate, 15-30 parts silica fume, 10-20 parts microspheres, 0.2-0.8 parts rheology modifier, 3-5 parts superplasticizer, and 1-5 parts sodium nitrite. The concrete composite admixture of this invention, when used in precast concrete wind turbine tower components, results in concrete with good workability, no bleeding or segregation, self-compacting properties, no need for vibration molding, ultra-long workable time, early strength and high strength, aesthetically pleasing appearance, low binder usage, low creep, minimal expansion, excellent crack resistance, and good durability.

This application provides a phosphogypsum and its modification method, as well as a high-strength, water-resistant paper-faced gypsum board and its preparation method. The phosphogypsum modification method includes: drying the phosphogypsum to be modified to constant weight; mixing aluminum sulfate with the dried phosphogypsum, followed by microwave calcination, grinding, and aging to obtain modified anhydrous phosphogypsum. This phosphogypsum modification method can effectively reduce the content of soluble impurities in phosphogypsum, and the process is simple.