110results about How to "Strong water retention" patented technology

The invention discloses a method for planting cowpeas. The method for planting the cowpeas includes the following steps of seed pretreatment, sowing, seedling growing, soil preparation, base fertilizer application, fixed planting, field management, harvesting and the like. The method for planting the cowpeas is scientific, reasonable and obvious in yield increasing effect. The yield of the cowpeas is averagely increased by 30-40 percent, the quality of the cowpeas obtained through plantation is obviously improved, the cowpeas are safe, free of pollution and high in commodity value, the method is simple and easy to operate, plantation cost is low, production efficiency is high, benefits are obvious, the economic benefits and the production enthusiasm of farmers can be improved, and the method for planting the cowpeas is worthy of large-scale popularization.

The invention discloses an acrylate-containing elastic emulsion, which comprises the following raw materials in parts by weight: 1.5 to 2.5 parts of emulsifier, 30 to 45 parts of acrylate, 1 to 5 parts of hydrophilic monomer, 0.5 to 3 parts of cross-linking monomer, 0.01 to 15 parts of vinyl monomer, 0.1 to 1 part of internal cross-linking accelerant, 0.2 to 0.4 parts of initiator and 35 to 50 parts of water. The elastic emulsion can be easily wiped away from a screen mesh by a wet cloth, and also can be completely washed by water, thereby improving the mesh-antifouling performance of a binder and the cleaning performance of the screen mesh. Meanwhile, the invention also discloses a method for preparing the acrylate-containing elastic emulsion, and the method has the advantages of environmental protection and low cost. In addition, the invention discloses a compounded printing binder prepared from the acrylate-containing elastic emulsion, and the prepared binder has the advantages of no mesh fouling, easy mesh washing, clear mesh dot, good elasticity, softness, drying, and excellent color fastness to rubbing and washing fastness, meets various environmental protection indexes, andadapts to various printings by manual bedplates, circular screen machines, and flat screen machines.

The invention provides multi-efficiency compound moisturizing essence and application thereof. The compound moisturizing essence consists of polyglutamic acid or salt thereof within three molecular weight ranges, and further consists of a polyglutamic acid hydrogel or a polyglutamate hydrogel which is quite strong in water-absorbing capacity and is good in film-forming property. The compound moisturizing essence, in vitro and for human skin, has an excellent moisturizing effect, and the compound moisturizing essence is high in safety of ingredients thereof and free from toxicity and irritation to cells, animals and human bodies. The compound moisturizing essence can be also applied to various cosmetics; and the compound moisturizing essence can be prepared into emulsions, creams, facial masks and the like.

The invention belongs to the technical field of agriculture, particularly relates to a towel gourd planting method and provides a perfect towel gourd planting technology which can increase the survival rate of towel gourd seedlings and the yield of towel gourds. The high-yield towel gourd planting method comprises the following steps: 1, selection of improved varieties: varieties that are suitable for being cultivated in summer, namely, the varieties insensitive to short days, are selected; 2, seedling cultivation and transplantation: summer towel gourds are not suitable for direct seeding, and field parcels with good drainage are selected for seedling cultivation and transplantation; 3, selection of the field parcels: the towel gourds are fertilizer-favorite, so that sunward loam or clay loam field parcels with fertile and moisture soil, high organic matter content and high moisture and fertility retaining capacity are selected for planting; 4, land preparation and planting; 5, field management: during continuous raining and water accumulation on bed surfaces, all that is needed is to press blades instead of stems by clods, vines can be also fixed for rooting, and rot due to stem pressing is prevented; 6, plant regulation: after planting survival, a pergola is erected timely for vine leading, vines are bound timely after climbing onto the pergola, and vine leading is performed in a zigzag shape.

The invention discloses a method for repairing a slope of a highway in a Qinghai plateau area by using vegetation, which comprises the following steps of: (1), cleaning the slope; (2), constructing ananchor rod and a hanging net: drilling anchor holes at a horizontal interval of 1 meter and a downstream interval of 2 meters, and inserting a main anchor rod; laying porous fiber rock wool along theslope from top to bottom, and laying the hanging net on the porous fiber rock wool; (3), carrying out spray sowing of loam-like substrate, wherein the spray sowing of the loam-like substrate is carried out twice from top to bottom by using a spray sowing machine, wherein the thickness of the loam-like substrate is 7-9 centimeters in the first time of spray sowing; the thickness of the surface layer of the spray sowing of loam-like soil is 3-5 centimeters; (4), maintenance management. According to the method, the loam-like soil substrate suitable for plant growth in nature can be quickly simulated through a bionic method, so that the soil ventilation condition can be improved, the seed germination is facilitated, and the plant growth is promoted; The porous fiber rock wool is laid below the loam-like soil substrate layer to absorb water and maintain the water, and after natural rainfall or artificial irrigation, the porous fiber rock wool absorbs the water and maintains the water for being absorbed by the vegetation on the slope for a long time.

The invention discloses a textile printing thickening agent. The textile printing thickening agent is prepared by processing the following raw materials in parts by weight: 150-220 parts of acrylic acid, 20-60 parts of methacrylic acid, 50-80 parts of acrylamide, 1-10 parts of octadecyl acrylate, 0.01-0.5 part of N,N'-methylene-bisacrylamide, 120-250 parts of white oil or aviation kerosene, 15-50 parts of sorbitan monooleate, 0.2-2 parts of an initiator, 0.01-1 part of sodium hydrogensulfite, 10-50 parts of fatty alcohol polyoxyethylene ether, 5-50 parts of hydrophilic silicon oil and 200-500 parts of a sodium hydroxide solution. The thickening agent has good water holding performance, strong electrolyte resistance capability and high color yield. A production process comprises the following steps of: (1) neutralizing the acrylic acid and the methacrylic acid until the pH value is 5.2-6.5; (2) adding the acrylamide, the N,N'-methylene-bisacrylamide and the initiator to prepare a water phase; (3) mixing the white oil or the aviation kerosene, the sorbitan monooleate and the octadecyl acrylate to form an oil phase; and (4) adding the water phase into the oil phase and emulsifying, and adding sodium hydrogensulfite to carry out a polymerization reaction; and (5) adding the fatty alcohol polyoxyethylene ether and the hydrophilic silicon oil and mixing.

The invention provides a water-absorption core body for a hygienic product. The water-absorption core body for the hygienic product comprises an upper isolating layer, a water absorption layer and a lower isolating layer, wherein the water absorption layer is formed by more than two instantaneous absorption layers and more than one water locking layer in a vertically stacked mode, and the instantaneous absorption layers are arranged on the top layer and the bottom layer of the water absorption layer respectively; each instantaneous absorption layer comprises, by weight, 50-90% of wood pulp fibers and 10-50% of adhesives, and the wood pulp fibers and the adhesives are mixed to form the instantaneous absorption layers; each water locking layer is formed by macromolecule water absorption particles, and the weight of the macromolecule water absorption particles accounts for 15-75% of the weight of the water absorption layer; the upper isolating layer or the lower isolating layer is made of ES fiber layers or dust-free paper or non-woven fabric. According to the water-absorption core body for the hygienic product, due to the fact that the upper isolating layer and the lower isolating layer are adopted, wood pulp dust cannot be generated in the production process, and the water absorption particles cannot easily go out; due to the fact that combination between the instantaneous absorption layers and the water locking layers is adopted, the water absorption speed is high, the quantity of absorbed water is large, water locking performance is good, and the dry and clean state can be kept all the time.

The invention discloses a miscellaneous grain biscuit with the effects of lowering blood fat and reducing body weight and a preparation method thereof, belonging to the technical field of food processing. The multigrain biscuit includes flour, sugar alcohol, rapeseed oil, phytosterol, oat powder, lotus leaf powder, motherwort powder, blueberry powder, functional oligosaccharide, emulsifier composition and thickener. On the one hand, the product of the present invention reduces the amount of oil and sugar used in bread through technical means, and introduces ingredients that have the effect of reducing blood lipids; value. The multigrain biscuit of the invention has a simple preparation method and is suitable for industrial production.

The invention provides a sand fixing agent as well as a preparation method, a use method and application thereof, and relates to the technical field of environmental engineering. The sand fixing agentcomprises the following components: heteropolysaccharide and cellulose derivatives; and the mass ratio of the heteropolysaccharide to the cellulose derivatives is (5-15):(0.5-5). The sand fixing agent relieves the technical problem in the prior art of lack of a solid fixing agent which has good water-retaining effect, can maintain land fertility, guarantees that sandy soil in the land is not stuck into blocks after application, can be degreed in the natural world and avoids environmental pollution. The invention also provides a preparation method of the sand fixing agent. In addition, the invention also provides a use method of the sand fixing agent. According to the sand fixing agent, the sand fixing agent prepared by the preparation method of the sand fixing agent as well as the use method of the sand fixing agent, the sand fixing agent can be applied in the fields of sanded land agricultural planting, forestry wind prevention and sand fixation as well as sand desertification governance.

The invention relates to a preparation method of polyol glucoside, which mainly comprises the following steps: adding glycerol and glucose monohydrate into a reactor in a heating state; then, cooling, adding an acid catalyst, and then decompressing to enable a reaction system to be maintained at high temperature for a certain time; and after water flows out of the reaction system, adding an acid neutralizing agent until the reaction system is weakly alkaline to obtain a product.

The invention discloses a temporary plugging workover fluid for a low-pressure carbonate reservoir gas well and preparation and an application method of the temporary plugging workover fluid. The temporary plugging workover fluid is composed of two slugs, wherein one is a low-solid phase water-locking type temporary plugging fluid slug, and mainly plays roles of forming a temporary plugging layerat a blasthole, bearing pressure of an upper fluid column and balancing formation pressure difference; the other slug is a water-based anti-swelling inhibitor slug, and mainly plays a role of furtherreducing damage caused by a small amount of workover fluid entering the reservoir due to micro-leakage. The temporary plugging workover fluid provided by the invention has the characteristics of lessleakage, small reservoir damage, strong pressure bearing capacity and water-locking capacity, good universality, non-toxicity, harmlessness, convenient construction, easy flowback, high safety, environmental protection and the like, is mainly used for temporarily plugging and killing the well in the carbonate reservoir during workover, is particularly suitable for workover of the low-pressure carbonate reservoir gas well having tubular columns with packers, and can reduce the damage of the workover fluid to the formation.

The invention is applicable to the technical field of cosmetics and provides infant active body lotion and a preparation method thereof. The infant active body lotion comprises the following components in percentage by weight: 8 to 12 percent of softener, 1.5 to 3 percent of an emulsifier, 0.2 to 1 percent of a skin conditioner, 9.2 to 10.7 percent of a wetting agent, 0.1 to 0.5 percent of an antioxidant, 0.01 to 0.05 percent of enzyme preparation, 0.3 to 0.7 percent of a suspending agent, 0.08 to 1.2 percent of a chelating agent, 0.01 to 0.05 percent of a pH regulator, 0.001 to 0.01 percent of a cosolvent and the balance of deionized water. The infant active body lotion adopts a weakly acidic active formula and does not comprise essence and preservative. The infant active body lotion canhelp a baby to resist environmental violation by utilizing bio-enzyme special technology and utilizing combined action of coenzyme Q10 and lysozyme; meanwhile, various mother-like active components are selected, a baby natural skin surface film protection system is perfected, and the infant active body lotion is mild to baby delicate skin. The infant active body lotion has high oxidation resistance, can enhance the own function of skin and can comprehensively resist damage to skin by the environmental pollution.

The invention provides a hydrolysable natural high-toughness water absorbing material. By using starch and oxidized natural cellulose as main raw materials and adding additives such as acrylic acid for modification, soda powder and the like, the prepared water absorbing material is natural and easy to decompose, maintains a certain high toughness, is not easy to crush and generate chips. The hydrolysable natural high-toughness water absorbing material provided by the invention is characterized in that the water absorbing material contains a reaction component A: starch, acrylic acid, sodium hydroxide and water; a component B: oxidized natural cellulose fiber; a component C: soda powder, silica-gel powder and talcum powder; the molar ratio of acrylic acid to sodium hydroxide is 1:0.1-0.3; the mass ratio of starch to oxidized natural cellulose is 1:0.2-0.5; the mass ratio of starch to soda powder is 1:0.01-0.05; and the oxidized natural cellulose fiber is obtained after activation and mild oxidation of cellulose fiber of 20-40 mm long.

The invention provides a preparation method of a micro-crosslinked-structure high-temperature-resistant salt-resistant well cementing cement slurry filtrate loss reducer. The preparation method includes following steps: respectively weighing 2-acrylamido-2-methyl propanesulfonic acid, acrylamide, unsaturated polybasic carboxylic acid and N-vinyl pyrrolidone, and dissolving in deionized water to obtain a solution; adjusting pH value of the solution to 6-8, adding a crosslinking agent and a molecular weight regulator, and finally preparing a solution of 15-25% in monomer concentration, wherein the crosslinking agent is N, N-methylene bisacrylamide, and the molecular weight regulator is one of sodium methallyl sulfonate, thioglycollic acid and thiohydracylic acid; heating the finally-prepared solution; after temperature is stable, adding an initiator into the solution, and continuing to react to obtain a liquid final product, wherein the initiator is composed of ammonium persulfate and L-ascorbic acid according to a mass ratio of 1.8-2.2:1. High-temperature resistance and salt resistance of the filtrate loss reducer prepared by the method are further improved, and the preparation method is simple in process, easy to operate, low in reaction temperature, energy-saving and environment-friendly.

The invention relates to moisturizing cream containing codiales extract. Each part of moisturizing cream contains 5 to 6 percent of villous codiales extract, 2 to 3 percent of glycerol, 0.1 to 0.2 percent of sodium citrate, 0.2 to 0.3 percent of methylparaben, 0.05 to 0.07 percent of sorbic acid, 5 to 6 percent of polyglycerol methacrylic ester, 0.50 to 0.60 percent of polyacrylamide, 2.0 to 2.3 percent of glycerol stearate, 1.5 to 1.8 percent of shea butter, 1.0 to 1.2 percent of caprylic cetyltrimethylammonium octadecyl ester, 0.5 to 0.6 percent of cetyl alcohol, 0.5 to 0.6 percent of octadecanol, 1.0 to 1.2 percent of dimethyl siloxane, 0.8 to 1.0 percent of octadecyl ester heptylate, 0.15 to 0.17 percent of propylparaben, and water. A face is evenly smeared with a proper amount of the cream after facial cleansing, and then is gently massaged till the cream is completely absorbed. The cream has strong moisture-locking capability and can effectively lock and replenish moisture so as to improve aging, dryness, speckles and various problems caused by skin moisture shortage.

The invention provides salt-tolerant agricultural nutritional type super absorbent resin and a preparation method thereof. The salt-tolerant agricultural nutritional type super absorbent resin comprises the following raw materials in percentage by weight: 3%-6% of xanthan gum, 4%-7% of guar gum, 2%-7% of sodium humate, 4%-9% of monoammonium phosphate, 30%-45% of acrylic acid, 5%-15% of sodium hydroxide, 4%-15% of a reinforcing agent, 5%-15% of an initiator and 5%-15% of a cross-linking agent. The preparation process of the salt-tolerant agricultural nutritional type super absorbent resin is simple, the utilized raw materials are easily available, and prepared absorbent resin has relatively high water-absorbing capacity and salt tolerance and can supply nutrient substances required for the growth of crops.

The invention discloses a surface growth type photosynthetic microorganism culture plate having a core-shell structure, which comprises a shell plate arranged outside and a core part arranged in the shell plate, wherein the shell plate is of a porous plate-shaped structure made from a rigid water seepage material; the filling core is made from a water retention and water seepage material; and the filling core is arranged in the shell plate. According to the core-shell type composite culture plate disclosed by the invention, photosynthetic microorganisms are attached to the surface, a nutrient solution for supporting growth of the photosynthetic microorganisms is retained in the filling core, and the nutrient solution gradually permeates to the surface of the shell plate from the filling core and then is supplied for sustainable reproduction of the photosynthetic microorganisms. In addition, the invention further discloses a culture unit comprising the core-shell type composite culture plate, a culture system, a culture method and application thereof.

The invention discloses a green thorn fruit essential oil soap and a hand-made method thereof. A variety of plant essential oils are extracted through plant refining technology, and a certain proportion of basic essential oils are compounded to make the green thorn fruit essential oil soap by hand, and then the soap with anti-inflammatory The green thorn fruit oil with detoxification, detoxification and skin repair effects is manually stirred and mixed at room temperature, and then put into a special soap-making mold. The compound plant liquid is naturally cooled and solidified. It is placed at room temperature for 150 days. The cold soap matures naturally, and finally demoulded and packaged . The green thorn fruit essential oil soap of the present invention can solve the problems of skin darkening due to sun exposure, dry skin due to lack of water, and the like.

The invention belongs to the technical field of chemical engineering and particularly relates to skin-cleaning and acne-removing peony compound essential oil and a preparation method thereof. The skin-cleaning and acne-removing peony compound essential oil comprises the following raw materials in parts by weight: 1-10 parts of peony flower essential oil, 1-5 parts of sage essential oil, 1-10 parts of eucalyptus essential oil, 3-10 parts of green tea essential oil, 1-10 parts of flores aurantii essential oil, 5-10 parts of pogostemon cablin essential oil, 5-10 parts of magnolia flower essential oil, 1-10 parts of needle juniper essential oil and 200-500 parts of peony seed oil. The essential oil can go deep into folliculus pili to eliminate skin grease and dirt, kill acne corynebacterium and other acne related flora and intensify skin regeneration, and is obvious in skin-cleaning and acne-removing curative effect, safe, free of irritation, free of toxic and side effects and suitable for long-term use.

The invention belongs to the technical field of hemostatic materials, and particularly relates to degradable hemostatic sponge as well as a preparation method and application thereof. The degradable hemostatic sponge provided by the invention is prepared by freeze-drying raw materials including cross-linked modified starch and cellulose, the mass ratio of the cross-linked modified starch to the cellulose is (0.2-5): 1. The degradable hemostatic sponge provided by the invention is high in water absorption rate, large in water absorption amount, high in supporting strength after water absorption and long in supporting time; and the plant-derived raw material can be completely biodegraded. According to the degradable drug-loaded starch hemostatic sponge, the drug-loaded coating is attached to the surface of the sponge, slow release of drugs is achieved through slow degradation of auxiliary materials in the drug coating, and the drug release time equivalent to the supporting time of the sponge can be achieved by adjusting ingredients of the auxiliary materials, after the degradable drug-loaded starch hemostatic sponge is put into an acting part for hemostasis, the drug is slowly released while the support is maintained.

The invention provides preserved pork added with konjak and a preparation method of the preserved pork. The preserved pork added with the konjak is made from the following effective components in parts by weight: 60-75 parts of lean pork, 0.5-2.5 parts of fat pork without skin, 10-25 parts of white granulated sugar, 8-20 parts of eggs, and 0.1-0.4 part of konjak powder. According to the preserved pork added with konjak and the preparation method of the preserved pork disclosed by the invention, a natural food material namely konjak is used for replacing a partial additive, so that the preserved pork has fresh keeping and anti-bacterial functions, and a preservative does not need to be additionally added; besides, nutritional components contained in the konjak have the health-care functions, so that the preserved pork has a high nutritional value; besides, the preparation method disclosed by the invention guarantees that requirements for a quality guarantee period can be met under the condition that the preservative is not added, and the preserved pork has healthy elements.

The invention provides composite aggregate impounding concrete and a preparation method thereof. The composite aggregate impounding concrete comprises the following components in parts by weight: 160-180 parts of water, 440-470 parts of cement, 70-90 parts of river sand, 420-440 parts of pumice stone, 350-370 parts of ceramsite, 70-90 parts of coal ash and 2.5-3.0 parts of a water reducer. Pumicestone and ceramsite are utilized to completely replace natural gravels, so that the weight of the impounding concrete per se is reduced, the material construction cost is lowered, favorable performance indexes are achieved, stacking of waste is avoided, the cyclic utilization effect is achieved, and environmental protection is shown. As aggregate adopts pumice stone, certain corrosion resistance is achieved, and the damage degree of concrete is reduced to a certain degree.

The invention provides a substrate and method for cultivating tomatoes in a solar greenhouse in saline-alkali soil, and belongs to the technical field of vegetable cultivation in saline-alkali soil. The substrate disclosed by the invention comprises a filling substrate and a cultivation substrate, and the substrate has strong water and fertilizer holding capacity, good air permeability, good heatstorage property and strong heat exchange capacity with soil. The method provided by the invention comprises the following main steps: arranging a cultivation tank in the solar greenhouse, and sequentially laying an isolation film, the filling substrate, an insect-proof net and a cultivation substrate from bottom to top in the cultivation tank; applying an EM bacterial agent and an amino acid liquid fertilizer in the cultivation substrate of the cultivation tank; planting the tomatoes, and applying an attractant after field planting; and after early spring cultivated tomato seedlings are pulled, applying allyl isothiocyanate, and closing the greenhouse. The method can slow down the salinization of the substrate, control the occurrence of soil-borne diseases, reduce the use of chemical pesticides and improve the yield of tomatoes.

The invention discloses an edible pure plant anti-aging skin care product which comprises the following components by mass percentage: 5-55% of waxgourd seeds, 3-50% of chrysanthemum, 1-30% of gingko seeds, 0.1-10% of bletilla striata, 0.1-0.5% of ginseng, 5-60% of honey, and the balance of auxiliary materials. As pure plants are adopted as raw materials, the edible pure plant anti-aging skin care product is easily absorbed by skin, can whiten the skin deeply, and has the characteristics of aging resisting, skin smoothing, scabriculous removing, skin rejuvenation and whitening, skin lighting, spot fading, pore shrinking, skin elasticity improving, safety, no irritation or allergy, environmental protection and the like.

The present invention discloses a Shuidong brassica juncea deep-processing product. The Shuidong brassica juncea is subjected to deep-processing. The deep-processing can fully use the natural nutritional value and health-care effects of the Shuidong brassica juncea, prepare the Shuidong brassica juncea into granules easy for carry and take, or drink products, and increase the added value of the Shuidong brassica juncea. During the preparation process, moringa seeds are used, the moringa seeds are strong in water-holding capacity, and the addition of the moringa seeds can provide active substances, increase water retention property, remove micro-spicy taste of the brassica juncea, and increase sweet taste of the products. In addition, the moringa seeds contain alkaloids, is rich in moringa seed oil, have functions of lowering blood sugar, improving sleep, clearing bowels and promoting metabolism, and further enhancing the health-care efficacies of the products. During the preparation of the drink, ultrasonic oscillation is used to promote the dissolution of the granules to release of the active substances and improve the active ingredient content of the products. The Shuidong brassica juncea deep-processed products are sweet in mouth, fresh and natural, and extremely excellent in mouthfeel.

The invention relates to a high-efficiency anti-inflammatory natural composition for preventing and treating infant eczema and enhancing barrier function and a preparation process of cream thereof. Bysimulating the molar ratio 1:1:1 of three main components including fatty acid, cholesterol and ceramide in a bilayer membrane in skin corneum, the skin barrier damage caused by environment is reshaped, and by matching with oat beta glucan, ectoine and other ingredients, the skin is effectively repaired and skin resistance is enhanced. At the same time, a variety of antibacterial, anti-viral andanti-inflammatory natural Chinese medicine ingredients such as radix scutellariae, radix glycyrrhizae and radix sophorae flavescentis are selected to exert effects in the initial stage, delivery stageand eczema effect stage of eczema so as to effectively inhibit the release and transmission of inflammatory factors and effectively treat eczema, and the ingredients are synergistic, safe and non-irritating, and capable of preventing recurrence of eczema.

The invention provides a passion fruit crease-resist color-protecting method. A layer of fresh keeping film coating agent is smeared onto the surface of a picked passion fruit; air drying is performedat the normal temperature so that a layer of film covers the surface of the passion fruit; the crease-resist color-protecting effect is achieved. The fresh keeping film coating agent is prepared frompomelo peel polysaccharide, passion fruit pectin, ginger essential oil, chlorogenic acid, alpha-glucosidase and gamma-polyglutamic acid compound chitosan; the water preservation performance of the gamma-polyglutamic acid and pomelo peel polysaccharide is used; the crease generation due to surface water loss of the passion fruit can be reduced; the peel is promoted to absorb calcium ions and chlorogenic acid by the ginger essential oil; the alpha-glucosidase acts on the passion fruit pectin to generate fragrance, so that the passion fruit maintains the flavor, the color and the luster. The prepared fresh keeping film coating agent can be used for effectively preventing the crease generation due to water loss after the picking of the passion fruit and the color change after the browning; the flavor of the passion fruit in the fresh keeping process can be maintained; a good effect is achieved; the cost is low; green and healthy effects are achieved.

The invention relates to a diphasic skin care essence face cream with repairing and soothing effects, and belongs to the field of cosmetics. The diphasic skin care essence face cream comprises a creampart and an essence gel part; the cream part comprises an emulsifier, an emollient, a humectant, a skin conditioner, a thickener, a preservative and a proper amount of solvent, and the solvent is water or an organic solvent; the essence gel part comprises a humectant, a skin conditioner, a thickener, a preservative and a proper amount of solvent, and the solvent is water or an organic solvent; and when the cream part and the gel part are used, two phases can be mixed or separately used. According to the product disclosed by the invention, cream and essence gel are respectively placed in two chambers of the same cosmetic bottle, so that two phases of the product supplement each other, the problems that the cream is thick and greasy when in use alone, and the gel is dry and insufficient inmoistening degree when in use alone are solved, the effects of the product are synergistically improved, and the defect that commercially available products are single in function is overcome.

The invention discloses a preservative-free ophthalmic in-situ gelling agent and a preparation method thereof. The preservative-free ophthalmic in-situ gelling agent comprises Carbomer, chitosan, lubricant, stabilizer, thickener, antioxidant, acetic acid, pH regulator, osmoregulator and de-ionized water. By using the Carbomer and chitosan as base materials for the preparation of the in-situ gelling agent, the in-situ gelling agent increases the solubility of the medicament, improves the absorption and bioavailability of the medicament, reduces the frequency of use and enhances the safety and efficiency; by containing the chitosan, the in-situ gelling agent has biological adhesive action, so that the adhesion of medicament particles onto the cornea is enhanced; and the in-situ gelling agent is free of preservative, thereby having no stimulus or damage to the corneal epithelium. The preservative-free ophthalmic in-situ gelling agent can be used as artificial tear for treating xerophthalmia, and can be also used as an administration and transmission system of ophthalmic medicaments.

The invention relates to a nanometer colorant for concrete and application of the nanometer colorant. The nanometer colorant comprises a pigment, a solvent, a penetrant and a diluent; the pigment is ananoscale pigment with the particle size being 5-10 nm. The nanometer colorant for the concrete is suitable for color coated treatment of indoor and outdoor concrete slurry terraces, compound terraces, stamper floors, cement self-flowing equal floors and concrete products; as a high-tech nanometer material, the nanometer colorant for the concrete has the advantages of waterproofness, light fastness, ageing resistance and stable and natural hue; for another, the nanometer colorant can be blended to form more colors like golden yellow, orange yellow, yellowish brown, brownish yellow, brown, pink, orange, bright red, dark red, sky blue, bright blue, light green, grass green, bright green, blackish green, elegant white, light gray, dark gray, and true black.