368 results about "Moisture retention" patented technology

The invention discloses a paper base-PHA double-sided composite soil biodegradable agricultural mulching film as well as a preparation method and application thereof, and belongs to the technical field of agricultural mulching materials and green high polymer materials. The mulching film comprises a paper base layer and a homologous polyhydroxyalkanoate covering layer arranged on the surface of the paper base layer. Through double-sided synergy of the water-based PHA coating on the soil sticking surface and the thermoplastic PHA extrusion film layer on the windward and rainy surface, and in combination with a'wet-to-heat 'integrated composite process and trace anhydride grafting, super-strong combination of a paper-plastic interface fiber tearing level is realized, and the problem that traditional paper-plastic is easy to layer is solved. Compared with a traditional fluorine-containing product, on the premise that total organic fluorine is not detected, the excellent barrier and moisture conservation performance is achieved with the thinner coating thickness by means of double barriers. The product has excellent mechanical laying adaptability and long-season weather resistance, is fully biodegradable, thoroughly solves the hidden dangers of micro-plastic residues and persistent organic pollutants, and is an ideal green agricultural covering material.

The invention discloses a solid ultrasonic gel patch as well as a preparation method and application thereof, and belongs to the technical field of medical chemistry. The solid ultrasonic gel patch is prepared from an acrylamide monomer, polyvinyl alcohol, sodium polyacrylate, sodium carboxymethyl cellulose, nano silicon dioxide, propylene glycol, glycerol, acrylic acid, triethanolamine, a cross-linking agent, an initiator and water according to a specific ratio. The prepared solid ultrasonic gel patch is highly matched with human soft tissue in acoustic impedance (about 1.62-1.63 * 10 < 6 > Pa.s / m), low in acoustic attenuation coefficient (less than or equal to 0.034 dB / (cm.MHz)), moderate in skin adhesion, excellent in flexibility and moisture retention, capable of solving the problems that a traditional ultrasonic coupling agent is inconvenient to use, easy to dry, poor in experience and the like, and suitable for acoustic wave conduction in ultrasonic examination and treatment.

The application discloses an anti-wrinkle composition containing recombinant collagen as well as a preparation method and application thereof, and belongs to the technical field of cosmetics and skin care products. The composition contains the following active ingredients in percentage by mass: 0.01%-20% of recombinant humanized type I collagen, 0.01%-20% of recombinant humanized type III collagen, 0.01%-10% of recombinant humanized type XVII collagen, and 0.01%-20% of space-bred desert algae extract. The three kinds of recombinant humanized collagens and the space-bred desert algae extract form a complex system, and when the total mass ratio is in a specific interval of 1.3:1-4:1, the three kinds of recombinant humanized collagens and the space-bred desert algae extract can synergistically improve the skin barrier function. Based on the synergistic mechanism of the complex system, the composition disclosed by the application can effectively promote the skin moisture retention and anti-wrinkle ability, repair the skin barrier, and is suitable for the development and application of skin care products for anti-wrinkle, skin tightening and skin aging delay.

The invention belongs to the technical field of food processing, and particularly relates to a method for preparing frozen noodles by treating wheat flour with superheated steam, which comprises the following steps: treating wheat flour with superheated steam, crushing, sieving, and mixing with untreated wheat flour to obtain compound wheat flour; adding water and seasonings into the compound wheat flour to prepare dough, and fermenting to prepare raw noodles; and freezing and preserving the raw noodles. The wheat flour is modified by adopting a green and additive-free superheated steam continuous treatment method with a simple process flow, and the prepared noodles are good in texture quality and taste quality, stable in texture, taste, moisture retention capability and cooking loss performance in multiple freezing and thawing cycles, still good in appearance quality and texture quality after multiple freezing and thawing cycles, and good in taste. The quality of frozen noodle products in the storage and transportation processes can be maintained, and the circulation adaptability is improved.

The invention provides a method for preventing and controlling nitrogen and phosphorus loss of sandy and dry cultivated land based on EICP root reinforcement and relates to the field of soil ecological protection and agricultural pollution prevention and control. According to the method, a three-dimensional prevention and control system is formed from the two dimensions of surface layer film covering protection and deep root system soil fixation through the synergistic effect of EICP film covering and local plant root system three-dimensional reinforcement, wind erosion and water erosion are effectively resisted, the soil nitrogen and phosphorus loss rate of the large-gradient sandy and dry cultivated land is remarkably reduced, and meanwhile the soil desertification process is slowed down; the EICP film covering layer has good water permeability and moisture retention, nitrogen and phosphorus loss can be prevented, rainfall infiltration and soil moisture conservation can be guaranteed, and the germination rate and the growth speed of crops are increased; according to the method, local crop root system reinforcement is selected, the original planting structure is not disturbed, the economic benefit of cultivated land yield per mu is guaranteed, a harmless means of combining microorganisms, geotechnical engineering and agricultural planting is adopted, external pollution sources are not introduced, original basic characteristics of soil are not damaged, and the requirement for ecological protection of the Yellow River basin is met.

The invention provides a structure and a production process of a wet tissue material and a sanitary towel liquid absorption material in the hygienic product industry, and relates to the technical field of hygienic products, the structure comprises a first hydrophilic solvent layer, a first PP melt-blown material layer, a middle functional layer and a second PP melt-blown material layer which are arranged in sequence, and a second hydrophilic solvent layer is further arranged on the outer side of the second PP melt-blown material layer; when the material is a sanitary towel liquid absorption material, the middle functional layer is a mixed layer of a PP melt-blown material, wood pulp and macromolecules; when the material is a wet tissue material, the middle functional layer is a mixed layer of a PP melt-blown material and wood pulp, the proportion of the raw materials can be adjusted, and the middle functional layer is used for manufacturing products such as urine pads, kitchen dry tissues, pet pads and dust-free paper; through the composite structure design of the PP melt-blown material and the wood pulp / wood pulp-macromolecules and the hydrophilic modification treatment of the outer layer, the overall tensile strength is effectively enhanced, and the problem of tearing or layering in use is avoided; the material softness is improved, and the material is more fit and comfortable; the moisture retention performance and the liquid absorption diffusion speed of the material are optimized, it is guaranteed that the wet tissue can keep moist for a long time, and the sanitary towel can rapidly and evenly absorb liquid.

The invention discloses a freckle-removing mask preparation method and equipment, and relates to the technical field of beauty and skincare, the freckle-removing mask preparation method comprises the following steps: S1, selecting and purchasing: selecting and purchasing high-quality formula raw materials; s2, inspection: inspecting the purchased raw materials; s3, pretreatment: washing part of the Chinese herbal medicine raw materials with clear water, and drying the Chinese herbal medicine raw materials; s4, pre-processing: crushing and grinding the prepared raw materials, and screening and filtering to remove impurities; the facial mask is prepared from ligusticum, radix angelicae, radix asparagi, astragalus membranaceus, bighead atractylodes rhizome, silkworm larva, bletilla striata, radix paeoniae alba, poria cocos, salvia miltiorrhiza, ampelopsis japonica, tribulus terrestris, pseudo-ginseng, rose, ginseng, honeysuckle, pearl and other blood-activating and repairing components, so that the effect of eliminating laser spots and heavy metal residual spots is improved, and meanwhile, the whitening degree and the skin glossiness are improved; the ductility, the moistening property and the permeability are improved, the stickiness and the greasiness are reduced, the moisturizing and water locking durability is improved through moisturizing factors of various components, and the spot fading effect is improved.

The invention provides a waste potato-derived fulvic acid slow-release full-degradable mulching film as well as a preparation method and application thereof, and belongs to the technical field of agricultural environment. Waste potatoes are prepared into a solution, then the solution is compounded with potassium sulfate, tartaric acid and fulvic acid according to a certain proportion to form a mixed solution, and the waste potato source fulvic acid slow-release type fully-degradable mulching film is prepared through uniform spreading and microwave irradiation. According to the invention, resource utilization of the waste potatoes is realized; meanwhile, the prepared mulching film is good in mechanical performance, and the actual application requirement is met. The prepared mulching film has good heat preservation and soil moisture conservation effects, fulvic acid is slowly released, and the film-fertilizer dual-function effect is achieved. In addition, after the mulching film is degraded, soil components are improved.

The invention belongs to the technical field of medical or hygiene materials, and particularly relates to a medical human body lubricant and a preparation method and application thereof.The medical human body lubricant is prepared from, by mass, 1%-20% of glycerin, 1%-20% of propylene glycol, 0.1%-1% of hydroxyethyl cellulose, 0.05%-0.5% of carbomer, 0.05%-0.5% of sodium polyacrylate, 0.05%-0.5% of triethanolamine, 0.2%-1% of preservative and the balance purified water. The medical human body lubricant prepared by the invention has high moisture retention, is mild and non-irritant, and is suitable for people sensitive to skin.

The invention discloses a photosensitizer, dynamic antibacterial hydrogel containing lipidosome wrapping the photosensitizer and a preparation method and application of the dynamic antibacterial hydrogel, and belongs to the technical field of biological materials. The invention provides a novel D-A-D type photosensitizer TPT which is simple in structure and simple in synthetic route, and from the angles of safety, practicability and use specificity of hydrogel dressing, modified hyaluronic acid and modified carboxymethyl chitosan are used as raw materials, cationic liposome wrapping the novel photosensitizer TPT is carried, and the hydrogel dressing is prepared. The efficient antibacterial dynamic cross-linked hydrogel material is prepared. The hydrogel disclosed by the invention has two pH response bonds, namely an imine bond and a boric acid ester bond, and has good moisture retention and biocompatibility; meanwhile, the hydrogel is loaded with the cationic liposome wrapping the novel photosensitizer TPT, so that the hydrogel has excellent active oxygen yield. The hydrogel disclosed by the invention aims to quickly resist bacteria, promote wound healing, reduce infection risk and improve the success rate of treatment through the targeted drug release function of the intelligent hydrogel.

The utility model relates to the technical field of slope protection structures, in particular to an ecological slope protection structure. According to the technical scheme, the device comprises two sets of cross protection frames, each set of cross protection frame comprises a cross protection plate, a connecting table is arranged at the end corner position of one end of each cross protection plate, and a protection pier is arranged at the end corner position of the end, away from the connecting table, of each cross protection plate; a lower side plate frame and an upper side plate frame are arranged on the sides, close to each other, of the fender piers on the two sets of crossed protective frames correspondingly. The cross protection frame, the lower side plate frame and the upper side plate frame are integrally arranged in the shape of the inclined plane rhombus, so that the slope protection frame can be better matched with a sloping field, meanwhile, the rhombus structure can provide a better drainage effect, water retention on the slope surface can be reduced, landslide or soil erosion caused by accumulated water is avoided, and the slope protection effect is improved. Meanwhile, flexible adjustment can be achieved according to different terrains and gradients, different slope protection requirements are met, the self-locking performance and stability are high, external pressure and stress can be effectively dispersed, and slope landslide or collapse is prevented.

The utility model relates to the field of human life necessity provides a kind of moisture-absorbing and breathable fabric and clothing, moisture-absorbing and breathable fabric is formed by minimum weaving unit four-side expansion weaving;Minimum weaving unit is provided with check area, breathable area and weaving area;The stitch point structure in weaving area is formed by compound yarn, and the compound yarn includes moisture-absorbing filament and the profiled section polyester filament that is mixed twist with moisture-absorbing filament to form breathable port, and moisture-absorbing filament can be regenerated polyester Rpet fiber yarn, organic cotton yarn, odayer fiber yarn or yaxier fiber yarn etc..Through the mixed twist of profiled section polyester filament and moisture-absorbing filament, can form breathable port by profiled structure, and then through the weaving fabric of compound yarn, good breathability can be formed, the improvement of breathability can faster take away moisture, keep the dry of moisture-absorbing and breathable fabric, improve the comfort of wearing.

The invention discloses an automatic humidity control and soil moisture preservation device for fruit and vegetable seedling hole trays, which comprises a soil moisture preservation bottom frame, cover body frameworks are arranged on the soil moisture preservation bottom frame, a flexible transparent upper cover is arranged between the two cover body frameworks, a water collection tank and water storage tanks are arranged outside the upper side of the flexible transparent upper cover, and a humidification pipe is connected between the two water storage tanks. Electric control valves are arranged at the two ends of the humidifying pipe, a plurality of seedling raising trays are arranged on a transverse supporting plate of the soil moisture preservation bottom frame, chamber doors and ventilation and heat dissipation holes are hinged to inlets and outlets in the two ends of the soil moisture preservation bottom frame, and the ventilation and heat dissipation holes are provided with lifting baffles through lead screws, guide rods and lifting sliding blocks. The water collecting tank and the water storage tanks are arranged on the outer portion of the upper side of the flexible transparent upper cover, rainwater and dew can be collected and stored, then spraying humidification treatment is conducted on the multiple seedling raising trays placed on the soil moisture preservation bottom frame through the humidification pipe connected between the two water storage tanks, the humidification and moisture preservation effects are good, and irrigation water can be saved conveniently.

The present invention discloses an ecologically friendly disposable product, particularly for packaging and other diverse applications. The matrix of the product is primarily composed of moss and plant materials, offering a significant environmental benefit due to its complete biodegradability, eliminating the issue of plastic pollution and landfill. The unique composition of the product provides antibacterial, antiseptic, and anti-fungal properties, thus enhancing its shelf life and mitigating spoilage concerns. The product demonstrates impressive moisture retention capabilities lasting up to 8-12 hours, remarkable durability, remaining resistant to low temperatures, ultraviolet light, and alcohols, ensuring its functionality in a wide range of environmental conditions. This innovative product is not only highly functional but also adaptable, boasting a flexible design that caters to specific use cases. Notably, the production process includes the utilization of minimally processed nature-based ingredients from the food / wood industry side stream, maintaining the manufacturing process with low costs.

The invention relates to a gas diffusion layer, a preparation method thereof and a membrane electrode assembly, and belongs to the technical field of fuel cells. The gas diffusion layer comprises a first fiber material and a second fiber material, and the first fiber material and the second fiber material are stacked and assembled according to an alternating distribution sequence; wherein the porosity of the first fiber material is 55-60%; the porosity of the second fiber material is 65-70%; the total number of the gas diffusion layers is at least six. The gas diffusion layer can rapidly drain water under a high-humidity condition, and has relatively strong moisture retention performance.

A method for manufacturing a mask pack sheet comprises: a step of preparing a biodegradable hollow fiber and a regenerated cellulose-based non-woven fabric comprising the biodegradable hollow fiber; a step of establishing optimal conditions by varying a mixing ratio of yarns and hydroentanglement conditions for the prepared non-woven fabric, the optimal conditions comprising a liquid absorption of 17-18 g / g, a liquid retention of 13-14 g / g, and a moisture retention rate of 60-70%; and a step of manufacturing with a tensile strength of 60-70 N / 1.5 cm² in a first direction, an elongation of 10-20%, a tensile strength of 9-20 N / 1.5 cm² in a direction perpendicular to the first direction, an elongation of 75-90%, and a thickness of 0.2-1 mm, wherein the step of manufacturing with a thickness of 0.2-1 mm comprises the steps of: mixing 60-80% of general regenerated cellulose fibers and 20-40% of biodegradable hollow fibers; forming a first non-woven fabric sheet by combing and loosening the mixed first fibers in a first direction; forming a second non-woven fabric sheet identical to the first non-woven fabric sheet by combing and loosening the mixed first fibers in the first direction; disposing the second non-woven fabric sheet on the first non-woven fabric sheet in a second direction perpendicular to the first direction; forming a mask pack sheet by hydroentangling the first non-woven fabric sheet and the second non-woven fabric sheet in a state in which the first and second non-woven fabric sheets are perpendicularly disposed; and drying and winding the mask pack sheet formed by hydroentangling.

The invention relates to the technical field of irrigation and water conservancy engineering, and discloses a karst mountainous area water retention and stabilization zoned ridge construction method and a ridge, and the method comprises the following steps: S1, digging a foundation trench along a ridge line of a pre-built upper terrace; s2, a load-bearing outer slope body surrounding the upper terrace is built in the foundation trench, and a through drainage hole is formed in at least one lateral section of the load-bearing outer slope body; s3, laying an inverted filter layer on the inner side of the bearing outer slope body; s4, the inner side of the inverted filter layer is filled and tamped with clayed soil in a layered mode, and an anti-seepage soil core wall is formed; s5, the bottom of the foundation trench in the area defined by the anti-seepage soil core wall is backfilled with planting soil; according to the construction method of the zoned ridge for water retention and stabilization in the karst mountainous area and the ridge, the series of problems that the ridge in the karst mountainous area cannot be stabilized, cannot be stored and cannot be drained smoothly are solved, and structural stability, efficient moisture retention and smooth drainage of the ridge in the karst mountainous area under complex hydrogeological conditions are achieved.

The invention relates to the technical field of desert control, in particular to a method for afforestation in a desert area. By means of methyl cellulose, on one hand, the water retention capacity of modified cellulose is improved, and on the other hand, the binding capacity of the modified cellulose to water and the acting capacity of the modified cellulose to sand grains are improved by means of moisture retention and adhesion of the methyl cellulose. Furthermore, through the compounding effect of the modified cellulose, the biomass particles and the peat, the interaction among the modified sand grains is enhanced, so that the sand grains in a loose state are converted into the modified sand grains with water retention and fertilizer retention capacities. According to the modified sand grains, on one hand, the modified sand grains around the saplings form a wind-erosion-resistant consolidation system, the water holding capacity of the modified sand grains is enhanced while rapid water locking is achieved, and the water consumption in the plant growth period is obviously reduced; on the other hand, it can be guaranteed that the water content of the modified sand grains is stable for a long time, plant root development and the steady state of the growth environment are promoted, and the plant survival rate is increased.

The invention relates to a calcipotriol nano-composite, difunctional integrated hydrogel for treating psoriasis as well as preparation and application of the difunctional integrated hydrogel. The preparation method comprises the following steps: loading calcipotriol on amino-modified mesoporous silica, and then carrying out a one-pot reaction on the amino-modified mesoporous silica, methacrylated gelatin, dopamine methacrylamide, sodium pirolinate carboxylate and phenyl (2, 4, 6-trimethylbenzoyl) lithium phosphate to obtain the difunctional integrated hydrogel. The hydrogel disclosed by the invention is UV-responsive drug-loaded hydrogel, can be quickly cross-linked and adhered to the surface of skin after being irradiated by UV, has the properties of high light transmission, drug sustained release, moisture retention and stable structure, and meets the clinical requirements of synchronous and integrated drug treatment and UV irradiation while remarkably improving the bioavailability of an externally applied drug; organic combination and mechanism complementation of two treatment modes are realized, so that the psoriasis is treated more efficiently.

The present disclosure provides a water-based self-healing film material and a preparation method and application thereof, and belongs to the technical field of polymer materials. The water-based self-healing film material comprises branched polyethylene imine and polyvinyl alcohol; wherein the branched polyethylene imine and the polyvinyl alcohol form a dynamic reversible network through amino-hydroxyl hydrogen bond interaction. The film material of the present disclosure can realize high mechanical strength and self-healing performance under room temperature and conventional humidity by using the dynamic amino-hydroxyl hydrogen bond interaction between the two, and simultaneously has excellent biocompatibility and air permeability and moisture retention performance, and can be applied to medical wound dressings, flexible packaging, sensor substrates and other fields, solves the defects that the existing PVA-based materials have poor mechanics and no self-healing ability, and the existing PEI / PVA materials are mostly hydrogels and cannot be used in dry state, and has a wide application prospect.

The present invention relates to an eco-friendly soil conditioner and a method for manufacturing same and, more specifically, to: an eco-friendly soil conditioner which increases moisture retention ability in soil and, at the same time, enables soil aggregation, pH control, nutrient supply, incorporation of microorganisms, and the like, thereby being capable of creating optimal vegetation conditions and also increasing bio-carbon content through biodegradation, thus being able to reduce global warming; and a method for manufacturing same.

The invention discloses a control method for prolonging a yeast fermentation period based on moisture retention of a bacterial cellulose membrane, which comprises the following steps: S1, preparing nano-scale bacterial cellulose, and preparing a cellulose suspension based on the nano-scale bacterial cellulose; s2, preparing a yeast basic blank, adding the cellulose suspension into the yeast basic blank, uniformly stirring, and performing compression molding to obtain a yeast blank; s3, preparing moisturizing film spray from the cellulose suspension, a thickening agent and an auxiliary moisturizing agent, and uniformly spraying the moisturizing film spray on the outer surface of the yeast blank; and S4, transferring the yeast blank sprayed with the spray into a fermentation workshop for fermentation. According to the method, a stable and high-humidity microenvironment can be constructed, and the water evaporation rate is effectively slowed down on the premise of not changing the core of a traditional process, so that the whole fermentation process is actively delayed, time conditions are created for sufficient synthesis and accumulation of flavor substances in the yeast for making hard liquor, and finally the purpose of remarkably improving the aroma richness and physicochemical indexes of the yeast for making hard liquor is achieved.

The invention relates to an environment-friendly soil stabilizer which comprises the following components in parts by weight: 10-40 parts of modified polylactic acid, 30-60 parts of wheat straw liquid, 5-20 parts of colloid, 30-60 parts of linseed oil, 15-20 parts of sodium alginate, 10-12 parts of rosin, 25-50 parts of filler and 1-2 parts of sucrose. By adopting the technical scheme, natural components in the wheat straw liquid are combined with a film formed by polylactic acid, so that the crack resistance and durability of soil can be enhanced, the moisture retention capacity of the soil can be improved, and the environmental protection property of the soil stabilizer can be improved by mixed use; the colloid improves the stability and moisture retention capacity of soil, the linseed oil improves the overall structural stability and cohesiveness of the soil and reduces soil cracking, the sodium alginate improves the cohesiveness and overall stability of the soil, the sodium alginate can help to reduce the cracking of the soil and reduce the influence of soil exposure cracking, and the rosin improves the hardness and the adhesiveness, so that the anti-cracking performance of the soil is improved. The cane sugar serving as a component of the soil stabilizer can enhance the cohesiveness and stability of the soil, promote the microbial activity and improve the soil structure at the same time.

The invention belongs to the technical field of drill planters, and discloses a precision drill planter which comprises a rotary cultivator body, two connecting frames symmetrically arranged on the two sides of the outer portion of the rotary cultivator body, a rotary blade arranged on one side of the bottom of the rotary cultivator body and a rotary blade arranged on the other side of the rotary cultivator body. The two supporting frames are fixed to the top of the connecting frame, and the supporting frames are arranged on the side away from the rotary cultivator body; the appropriate pressure adjusting assembly is located on one side of the rotary cultivator body and used for compacting and covering soil on the sown seeds. The first hydraulic cylinder drives the hinge seat to move, the pressing wheel, the press wheel and the connecting shaft are lifted, the equipment can dynamically match the positive pressing force of the press wheel according to the soil moisture content, and the soil hardening risk of high-humidity clay land is remarkably reduced, so that the equipment is suitable for the seeding requirements and the soil moisture conservation effect of different wet clay lands; the seedling emergence quality of the seeds relative to different wet clay lands is greatly improved.

This invention belongs to the field of skin care technology and discloses a moisturizing composition, its uses, and a moisturizing and anti-wrinkle cosmetic. The moisturizing composition includes Rosa damascena flower water, tulip flower extract, and Rosa desertica leaf cell extract, wherein the mass ratio of Rosa damascena flower water, tulip flower extract, and Rosa desertica leaf cell extract is 80-100:0.01-2:0.01-2. This invention utilizes a combination of small-molecule Rosa damascena flower water, tulip flower extract, and Rosa desertica leaf cell extract. The abundant Rosa damascena flower water facilitates the penetration of the moisturizing and water-locking components in the Rosa desertica leaf cell extract into the skin, replenishing moisture while simultaneously providing powerful water-locking capabilities. Furthermore, the small-molecule structure of the Rosa damascena flower water promotes the penetration of higher fatty acids, polysaccharides, and amino acids from the tulip flower extract, regulating skin metabolism during hydration and preventing excessive localized hydration that could lead to over-swelling of skin cells and compromise long-term moisture retention. Combined with the skin-water-oil balance-regulating abilities of the Rosa desertica leaf cell extract and tulip flower extract, these three ingredients synergistically enhance skin hydration, providing excellent moisturizing effects for both short-term and long-term hydration.

The utility model discloses a double-layer non-woven fabric, which relates to the field of non-woven fabrics and has the technical scheme that the double-layer non-woven fabric comprises an inner layer and a surface layer, a plurality of through holes are arranged on the surface layer in a penetrating manner, the density of the surface layer is larger than that of the inner layer, and a plurality of grooves are arranged on one side of the inner layer close to the surface layer. The cotton fiber filaments have good moisture retention capacity, the moisture retention of the non-woven fabric is improved, the inner layer is low in density, good in air permeability and easy to penetrate through by plants, the through holes in the surface layer guarantee air circulation on the two sides of the surface layer, space is provided for growth of the plants, and the non-woven fabric is good in moisture retention effect. The grooves formed in the surface of the inner layer through hot pressing increase air flow between the surface layer and the inner layer, local air permeability reduction caused by blockage is avoided, the surface layer has high density, and the service life of the non-woven fabric is prolonged.

The utility model relates to the technical field of clothing, in particular to a clothing sample storage device which comprises a box body, a partition plate is fixedly connected to the inner side wall of the box body, a containing frame is fixedly connected to the top of the partition plate, a cover plate is hinged to one side of the top of the containing frame, and a connecting frame is arranged on the inner side wall of the containing frame. And the inner side wall of the connecting frame is fixedly connected with a filter screen. According to the clothing sample storage device, by arranging the placing frame, the cover plate, the connecting frame, the filter screen, the air holes, the handle and the drying agent, when the clothing sample storage device is used, the drying agent is placed on the inner wall of the placing frame, the handle is held by hand to close the cover plate, the connecting frame fixes the filter screen, the filter screen can prevent insects from entering, and the filter screen is matched with the air holes to be used for absorbing moisture in the device and keeping a dry environment; the damp-proof and mildew-proof effects are achieved, and the situation that in cloudy and rainy days, the interior of the device is too wet, and after a long time, clothes are prone to mildewing, and peculiar smells are generated is avoided.

The invention relates to a mass concrete multi-stage anti-crack construction method, and belongs to the technical field of concrete construction.The mass concrete to-be-poured area is divided into a first peripheral anti-crack area, a second transition slow-release area and a third central heat storage area by establishing a quantifiable partition criterion based on an inner side line of a formwork and the shortest horizontal distance d; anti-cracking reinforced concrete B, transition concrete C and low-hydration-heat concrete A are prepared in a targeted mode, a lap joint transition zone is arranged during pouring to achieve continuous transition of material performance, and meanwhile partition differentiation heat preservation and moisture preservation covering and staged form removal and maintenance in the sequence from the center to the periphery are matched; the temperature reduction rate, shrinkage development and constraint release of different areas form gradient synergy, the problems of temperature cracks and shrinkage cracks caused by fuzzy partition boundaries and space mismatch of materials and maintenance measures in traditional construction are effectively solved, and the stability of crack control, the consistency of construction quality and the structural durability are remarkably improved.

According to the technical scheme, the multi-layer drying and evaporating device is characterized in that three drying boxes are fixedly installed in a main body, sliding rails are arranged on the two sides of the interior of the main body respectively, sliding blocks are movably arranged in the two sliding rails in a sleeved mode respectively, a water storage tank is fixedly installed between the two sliding blocks, and the water storage tank is provided with a water inlet and a water outlet. A dehumidifier is fixedly mounted on the top surface in the main body; the stirring assembly is arranged in the drying boxes and used for stirring reagents, multi-layer utilization in space is achieved through the three drying boxes, the device can treat more chemical reagents in the limited space, the overall treatment efficiency is improved, meanwhile, the working state and parameters of each layer of drying box can be flexibly adjusted, and the device is convenient to use. The water storage tank can be easily moved and detached through the sliding rail and the sliding block, meanwhile, the water storage tank can effectively collect water generated in the drying and evaporation process of the chemical reagents, and the dry environment in the device is kept.

The invention relates to the technical field of cosmetic preparations, and discloses a composition containing succinyl glycan and application of the composition to regulation and control of the repetition distance of a liquid crystal lamellar phase, the composition comprises a liquid crystal component and an effective amount of succinyl glycan, wherein the stratified phase repetition distance of liquid crystals in the composition can be effectively adjusted by adding the succinyl glycan, and the thermal stability of the composition is improved; small-angle X-ray scattering (SAXS) proves that the addition of the succinyl glycan enables the repetition distance of the lamellar phase of the liquid crystal to generate a measurable change of 6.2% to 19.4%; the invention provides a novel method for accurately regulating and controlling the liquid crystal structure of the cosmetic from the nanoscale, and the obtained composition has better stability, moisture retention and skin feeling in use.