138results about How to "Keep hydrated" patented technology

The invention belongs to the technical field of insulating oil for power transformers with high overload capacity, and particularly relates to high-overload transformer oil and a preparation process thereof. The high-overload transformer oil is prepared from natural ester insulating oil and mineral insulating oil according to the volume percentage of (40%-50%):(60%-43%). The preparation process comprises the following steps: firstly, heating the natural ester insulating oil to 80 to 95 DEG C under a vacuum stirring condition; then under a vacuum condition, adding the mineral insulating oil into the natural ester insulating oil, and carrying out mechanical stirring and then ultrasonic oscillation; finally, carrying out two-stage vacuum filtering treatment on treated transformer oil, wherein the closed-cup flash point of a treated oil product is greater than or equal to 155 DEG C. The transformer oil disclosed by the invention is high in physical, chemical and electrical properties, low in kinematic viscosity, high in flowability and long in service life; the transformer with high overload capacity is high in overload capacity; faults of the transformer are reduced, and the problem of 'load returning' is effectively solved; the safety stability of the transformer is improved; the high-overload transformer oil has a high popularization and application value.

The application discloses a pair of contact lenses with colloid photonic crystal structural color and a preparation method of the contact lenses. The pair of contact lenses contains colloid photonic crystals, the colloid photonic crystals are distributed in the contact lenses as color elements, and the colloid photonic crystals form structural color patterns in the contact lenses. According to the contact lenses based on the colloid photonic crystal structural color, the colloid photonic crystals are arranged in the contact lenses and are distributed in the contact lenses as the color elements to form the structural color patterns, eyes can be beautified, the color elements introduced to the contact lenses can not bring eye discomfort or even eye diseases, conventional pigment and pigment are prevented from being used as a color source of the contact lenses, the contact lenses are elegant in appearance, and the eyes of a wearer are beautiful in colors. Meanwhile, the structural color is realized by unique light interference effect of the colloid photonic crystals, biocompatibility is good, and use is safe.

The invention discloses an egg hatching method for culturing transgenic poultry. The method comprises the following steps: placing hatching eggs with closed open holes on equators of eggshells in a way of keeping the closed open holes upward and at the top, standing and hatching; further placing the eggs by keeping big heads upward and keeping small heads downward when chorions in the eggs develop to wrap all contents in the eggs, carrying out egg turning and hatching; and then standing and hatching till nestling. The method can overcome the defect of spillover of egg-white of the traditional method, ensure the balance of water and nutrition in the eggs during the hatching process, reduce the loss of death of chicken embryos due to the spillover of the egg-white, ensure the normal development of the transgenic chicken embryos and improve the hatching rate of the transgenic chicken embryos. The method has simple steps and strong operability, and is applicable to hatching the poultry hatching eggs after transgenic operation by adopting other window-opening methods, such as quails, domestic ducks and the like. Therefore, the method has important application value and is applicable to popularization.

The invention includes a box with a water inlet on top, drainage outlets in the bottom, and multiple nursing cells horizontally and vertically arranged inside. The nursing cells are permanently linked inside the box. Each nursing cell has reservoir grooves in the bottom, and light and air circulation cells around all sides. A slit is placed on adjacent walls of nursing cells in each row, and also in each column, thereby connecting two adjacent nursing cells. The planting module is integrated, ready for use without any assembly required. Light and air circulation cells around nursing cells provide sufficient sunlight for growth of the plants inside. Reservoir grooves in the cell bottom can better keep moisture and nutrients inside. Horizontal and vertical slits in the cell walls provide even and rapid distribution for water that enters the module.

The invention discloses an automatic three-dimensional cultivation device. The automatic three-dimensional cultivation device comprises supports. A plurality of pipes are arranged on the supports from top to bottom. Holes are formed in the top ends of the outer walls of the pipes. A plurality of branched cultivation vessels are located in the holes. The pipes are connected through connecting hoses. One end of the uppermost pipe is connected with a solution inlet pipe, and one end of the lowermost pipe is connected with a tail pipe. According to the automatic three-dimensional cultivation device, nutrient solutions can be automatically supplied to the branched cultivation vessels, and therefore the management cost is greatly reduced. The nutrient solutions entering the pipes through the solution inlet pipe can be reliably supplied to all the branched cultivation vessels.

The invention relates to a treatment method applicable to delayed harvesting of ice grapes in northeast China. The method comprises the steps that before fruiting branches are separated from main vines, boric acid, monopotassium phosphate and praline are sprayed on grape leaves, and the grapes are watered thoroughly once in the last ten-day period of September; in mid-to-late October, after the grape leaves wither completely for 8-10 days, the fruiting branches are sheared from the main vines, the two ends of each fruiting branch are respectively sleeved with a plastic bag, and grape berries can not be sleeved with bags; the fruiting branches sleeved with the bags are hung on grape trellises, the main vines are taken down from the grape trellises and laid on the ground for covering soil and conducting overwintering protection; the grape berries are aired according to changes of natural lighting and temperature; in the middle ten days of December, when the highest temperature is minus 8 DEG C and the lowest temperature is minus 18 DEG C, the grape berries are stabilized for 24-48 hours, and the grape berries on the fruiting branches are collected. By the adoption of the method, the harvesting time can be prolonged, the requirements of icewine brewing for quality of the grape berries are met, and the fruiting main vines can be protected to overwinter successfully.

The invention discloses a measure for promoting vegetation in cold regions to restore rapidly. The measure is characterized in that porous thermal insulation boards cover the surface of the destroyed or degraded soil layer in the frozen soil region; and baffles are arranged around the porous thermal insulation boards. By adopting the measure, the moisture of the lower soil mass can be effectivelyprevented from the capillary action and evaporation, the soil is ensured to maintain good moisture content in a longer time, sufficient effective accumulated temperature and moisture conditions are provided for germination and growth of the vegetation in spring and summer and smooth growth and restoration of the vegetation are ensured. Besides, along with formation of a restoring vegetation feltylayer, the lower permafrost environment can be ensured to keep relatively stable for a long term under the combined action of the restoring vegetation felty layer and the porous thermal insulation boards. Popularization and implementation of the measure have important ecological effects and social and economic benefits on harmony and unity of engineering construction and ecological environment construction, protection of biodiversity in the source regions of Yellow and Yangtze rivers, soil and water conservation, maintenance of ecological balance and the like.

The invention discloses an indoor storage and fresh-keeping method for ginger. The method comprises the following steps: building a storage room provided with a pit, partition wall building blocks, a thermal insulating layer and a plurality of air pipes in a vacant house, then selecting robust ginger blocks which are uniform in size, good in quality and free of diseases, sequentially stacking selected ginger blocks upwards in the storage room in a layering manner, and finally, covering the surfaces of the ginger blocks on the uppermost layer in the storage room with a soil covering layer and an insulating layer, so as to enable the temperature in the ginger block pile to be stabilized to be 13+ / - 1 DEG C. According to the invention, a reasonable and advanced storage technology is adopted, so that ginger is close to the ground and moisturized, the storage cost is effectively reduced, the preservation effect of ginger is good, the storage capacity is high, the ginger rotting rate is 3% or below, moisture and freshness of ginger are effectively maintained, original color, luster and quality of ginger are guaranteed, economic benefits of ginger farmers and commodity values of the ginger are increased and wide-range popularization and application are facilitated.

Disclosed is a method promoting maturation and normal blooming of a EuCahetus dunnii Maiden flower bud. The method comprises the steps of (1) applying water-retention solvent, wherein a circular groove which is 20cm wide and 20cm deep is dug around a stump at a position 50cm away from the stump, and the water-retention solvent is applied at 1000g / plant in September; (2) applying fertilizer, wherein special compound fertilizer with a constitute ratio of nitrogen: phosphorus: potassium = 13-17 : 5-7 : 8-10 and total effective nutrient content >= 30% is applied to the two sides of the projection of a tree crown in August at 500g / plant; (3) spraying plant hormones, wherein gibberellin with a concentration of 800-1000mg / L is sprayed onto the crown of a whole tree in a mist mode with an air pressure type sprinkler in sunny days once a month till water drips from leaf apexes. The method can effectively promote maturation and normal blooming of the EuCahetus dunnii Maiden flower bud, the technical measure is simple, cost is low, and the effect is remarkable.

The invention provides a method for preparing a cefamandole nafate powder injection preparation. The method comprises the following steps: (a) performing a silanization reaction on 7-ACT and a silanization agent in a dichloromethane solvent under temperature control, and reducing the temperature after the reaction is completed so as to obtain a reaction liquid 1, wherein the solid-liquid ratio of7-ACT to dichloromethane is 1g:(3-6)ml; (b) dropwise adding (R)-(-)-O-formylmandeloyl chloride into the reaction liquid 1, controlling the temperature, performing an acylation reaction so as to obtaina reaction liquid 2; (c) performing treatment of extraction, decoloring and dehydration on the reaction liquid 2; (d) performing temperature control crystallization; and (e) washing a solid with acetone, drying, performing sterile sub-packaging, thereby obtaining the cefamandole nafate powder injection preparation. Due to adoption of a high-concentration dichloromethane reaction system, the method is rapid in silanization and acylation process, short in reaction time, low in reaction residue, high in product yield and small in impurity. After the reactions, organic solvents such as dichloromethane can be easily recycled and repeatedly used, so that the method is relatively environment-friendly, low in cost and applicable to large-scale industrial production.

The invention provides a basket type soil moving morchella esculenta cultivating method, which comprises the following steps of: (1) preparing a culture medium, namely placing the culture medium in aculture basket; (2) indoor culture of hyphae; (3) transferring the cultivation basket to a greenhouse; (4) fruiting management; and (5) soil removal and disinfection after fruiting body harvesting. According to the method, mycelium culture and fruiting management are implemented in a mycelium culture room and a fruiting greenhouse respectively, soil in the greenhouse is removed after mushroom harvesting is finished, and soil disinfection is conducted. Compared with traditional morchella esculenta greenhouse cultivation, indoor cultivation of mycelia is more beneficial to growth of the mycelia,the growth speed of the mycelia is higher, and the growth cycle of the toadstool is greatly shortened; meanwhile, after mushroom harvesting is finished, the problem of continuous cropping obstacles of morchella esculenta is solved by taking measures of removing soil and disinfection in the greenhouse and the like.

The invention discloses nutrient soil for growing seedlings of guangxi green plum in a nutrient cup. The nutrient soil comprises 57% of yellow earth subsoil, 30% of burned turf sludge, 10% of honeycomb coal ash and 3% of phosphatic fertilizer. The invention also discloses a preparation method for the nutrient soil. The preparation method comprises the following specific steps: preparing the yellow earth subsoil, preparing the burned turf sludge, preparing the nutrient soil and sterilizing the nutrient soil. The nutrient soil belongs to the field of seedling raising technology. The problem of the nutrient soil for growing a strong seedling of the precious guangxi green plum is solved. The nutrient soil has the characteristics of being compact and uniform, good in water and fertilizer retention, good in permeation, and having no diseases and pests and weed seeds, and can be used for providing various nutrients and moisture for growing of guangxi green plum seedlings, guaranteeing that the seedlings of the guangxi green plum are strong, and providing good seedlings for creating a fast-growing and high-yield plantation of guangxi green plum.

The invention provides an Inca inchi containing functional skin-care product. The inca inchi containing functional skin-care product comprises the following raw materials in parts by weight: 57-59 parts of water, 0.52-0.56 part of 1, 2-hexylene glycol, 7-9 parts of caprylic / capric triglyceride, 7-9 parts of hydrogenated polyisobutylene, 4-6 parts of shea butter, 1-3 parts of nicotinamide, 0.7-1.3 parts of polydimethylsiloxane, 0.7-0.9 part of cyclopolydimethylsiloxane, 0.4-0.6 part of Inca inchi seed oil, 0.22-0.29 part of polypropylene acyl dimethyl sodium taurate, 0.16-0.18 part of hydrogenated polydecene, 0.05-0.07 part of glycerol caprylate, 0.04-0.06 part of cocoa seed fat, 0.03-0.05 part of adenosine, 0.02-0.03 part of tridecanol polyether-10 and 0.005-0.012 part of sodium hyaluronate. During using, the Inca inchi containing functional skin-care product can keep skin moist.

The invention provides cosmetic composition as well as a preparation method and an application thereof and relates to the technical field of cosmetics. Under synergistic action of components including functional plant extract, sodium carboxymethyl betaglucan, 1,3-propanediol, mango extract, Althaea officinalis extract, aloe leaf extract and the like, the cosmetic composition can promote skin moisture regulation, repair cuticle of skin and have the effects of water locking and water storage, so that the microenvironment of the skin is improved effectively, the skin keeps moisturized, and the technical problems that the cuticle is damaged and the moisturizing effect is poor due to addition of permeation promoting or cuticle weakening additives to the cosmetics at present are solved. The invention further provides the preparation method of the cosmetic composition. The preparation method is simple and easy to operate, can be applied to batch production, and the cosmetic composition prepared with the method is uniformly mixed and good in stability.

The present invention provides a probiotic complex cosmetic for balancing and repairing skin and a preparation method of the probiotic complex cosmetic. The probiotic complex cosmetic comprises activesubstances and cosmetic basic substances, and the active substances are composed of the following components in weight percentages: 15-32% of a bifida ferment filtrate, 12-16% of a hyaluronic acid composition, 5-8% of resveratrol, 10-15% of a chicory stem extract, 3-6% of a common bletilla tuber extract, and the balance lactic acid bacterium / mung bean seed extract fermentation product filtrate. The hyaluronic acid composition is composed of the following components in weight percentages: 18-25% of a sodium hyaluronate cross-linked polymer, 20-28% of sodium hyaluronate, 16-23% of acetylated sodium hyaluronate and the balance hydrolyzed sodium hyaluronate. The active ingredients of the cosmetic cooperate with each other to repair skin and maintain balance of water and oil, and at the same time, the probiotic complex cosmetic has a good moisturizing effect and keeps the skin moisturized for a long time.

The invention discloses a pollution-free idesia polycarpa planting method. The problem that the survival rate of idesia polycarpa from sowing to transplantation in the prior art is not high and a growth promotion agent is needed is solved. The pollution-free idesia polycarpa planting method comprises the following steps that planting land is selected, wherein a hill having the elevation of 800-1200 m is selected, sunny exposure, ventilation, irrigation and water drainage are convenient, and no pollution source exists; seeds are selected; seed coat wax layers are removed, and then stratification and germination accelerating are performed in a low-temperature environment; land preparation begins in the first ten-day period of March, irrigation and drainage are smooth, a soil pH value is 5.5-7.5; seeds are uniformly scattered in a seedbed, and earthing and watering are performed; final singling is performed when young seedlings reach the height of 6-8 m, then weeding, intertillage and fertilizer application are performed; transplantation is performed in one year after sowing. The method is simple and simple and convenient to operate, and the survival rate of the idesia polycarpa from sowing to transplantation is improved.

The invention discloses an orchid skincare shower gel and a preparing method thereof. The orchid skincare shower gel is prepared by adding vitamin E with orchid extracting solution as the main material and traditional Chinese medicine extracting solution, honey extract and glycerin as auxiliary materials. The preparing method comprises the steps of 1, preparing the orchid extracting solution; 2, preparing the traditional Chinese medicine extracting solution; 3, preparing honey essence; and 4, conducting mixing and sterilization. The orchid skincare shower gel does not contain any chemical additive and adopts a pure natural plant formula, orchid essence is fully extracted and matched with multiple traditional Chinese medicinal materials, glycerin and vitamin E are also adopted, so that nutrients can be provided for skin while skin is cleaned, nutrient loss of skin is avoided, and a good skincare effect is realized.

The invention discloses a liquid foundation with moisturizing and sunscreen functions. The active ingredients include the following components in parts by weight: 15-20 parts of nano-titanium dioxide, 10-14 parts of nano-iron oxide red, and 12-20 parts of butanediol , 8-12 parts of Bletilla striata extract, 7-10 parts of Alisma extract, 6-12 parts of coix seed extract, 3-5 parts of cactus extract, 5-10 parts of rutin extract; among them, nano-titanium dioxide and The particle size of the nano-iron oxide red is 20-30nm. The active ingredient of the present invention mainly includes three parts: a pigment component, a moisturizing component and a sunscreen component. After the moisturizing component and the sunscreen component are mixed with the pigment component, the obtained liquid foundation has good makeup effect, and has excellent moisturizing effect and sunscreen effect.

The grape cultivating method of the invention belongs to the technical field of agricultural planting. The method includes drip irrigation at the roots of grape seedlings with urea solution during the flowering stage of flower spikes; not only can there be reasonable water supply, but also the grape spikes can be properly elongated, and the amount of fruit particles falling is small; the dripped urea solution can reduce Manually, it is convenient to avoid artificial flower thinning and fruit thinning when flowering and fruiting; during the fruit color change period, a mixed solution of potassium dihydrogen phosphate and rice vinegar is used for drip irrigation on the roots of the grapes. During flower spike flowering. This method can greatly save the number of personnel (at least 15-20 per mu), and the obtained fruit has a high sugar content, a sugar-acid ratio of 20:1, bright colors, large fruit particles, smooth skin and fruity aroma, and crisp and tender flesh. smooth.

The invention belongs to the technical field of edible mushroom cultivation, and discloses a palm dreg containing hypsizygus marmoreus culture medium which comprises the following raw material components in parts by weight: 28-35 parts of bits of wood, 16-22 parts of corncob, 6-10 parts of bagasse, 18-26 parts of palm dreg, 5-8 parts of soybean meal, 0.8-1.5 parts of lime and 0.8-1.5 parts of gypsum powder. The hypsizygus marmoreus cultivated by using the culture medium is high in nutrient component content, short in growth cycle and simple and extensive in cultivation process, and labor can be saved.

The invention provides an interplanting method of chilies and tomatoes, and belongs to the technical field of vegetable planting. The interplanting method comprises the steps of firstly planting the tomatoes, wherein the distance of two adjacent lines of tomato pits is 0.5-1 m, inorganic fertilizer and organic fertilizer are applied into each tomato pit, and firstly tomato seedlings are transplanted into the tomato pits and are watered, so that the water content of soil is 70-80 wt%; planting the chilies after a certain period, chili pits are formed among two adjacent lines of tomato pits, theinorganic fertilizer and the organic fertilizer are applied into each chili pit, and chili seedlings are transplanted into the chili pits. By means of the interplanting method, land resources can beeffectively utilized, when the tomatoes bear fruits, the chilies blossoms, pollens of chili flowers can promote the quick maturity of tomato fruits, the growth cycle of the tomatoes is shortened, thetomato fruits are larger, the yield of the tomatoes is increased, the tomatoes are quickly mature under natural conditions, certain chili output is obtained, and the utilization rate of the land resources is increased.

The invention discloses a gardenia nourishing body wash and a preparation method thereof. The gardenia nourishing body wash is prepared from a gardenia extract solution as a main material, a traditional Chinese medicine extract solution, a honey extract and glycerin as auxiliary materials and vitamin E. The method comprises the following preparation steps of (1) preparing the gardenia extract solution; (2) preparing the traditional Chinese medicine extract solution; (3) preparing a honey essence; and (4) mixing and sterilizing. The body wash does not contain any chemical additive; a gardenia essence is fully extracted by adopting a pure natural plant formula, and multiple traditional Chinese medicinal materials are selected to be combined with the gardenia essence and supplemented with the glycerin and the vitamin E; the skin can be timely supplemented with moisture when the skin dirt is cleaned; the skin is nourished; and the gardenia nourishing body wash has a good nourishing effect.

The invention discloses a composition for tightening pores, relieving sensitivity and improving skin glossiness, and a preparation method and application thereof. The phase A in the composition comprises silica, triethoxy octyl silane, polydimethylsiloxane, aluminum hydroxide, hydrogenated lecithin, ceramide NP, synthetic fluorophlogopite, dimethiconol, aluminum starch octenylsuccinate, vinyl polydimethylsiloxane / polymethylsiloxane silsesquioxane crosslinked polymer, polymethyl methacrylate and boron nitride; the phase B comprises caprylyl glycol and ethyl hexyl glycerol; and the phase C comprises iron oxide, triethoxy octyl silane and lauroyl lysine. The invention also discloses a preparation method and application of the composition. The composition is used for preparing skin care cosmetics, and comprises powder. The composition disclosed by the invention can quickly and effectively tighten pores, relieve skin sensitivity, improve skin glossiness, promote skin repair, preserve moisture, brighten the skin and the like for all skin types.

The invention discloses an isolongifolenone sun-blocking and mosquito-repelling cream. The isolongifolenone sun-blocking and mosquito-repelling cream comprises hexadecyl alcohol, octadecyl alcohol or eicosyl alcohol, hexadecyl glucoside, octadecyl glucoside or eicosyl glucoside, glyceryl monostearate, PEG-100 stearate, iso-octyl p-methoxycinnamate, octyl salicylate, isolongifolenone, methylparaben, ethylparaben, carbonic ester polymer, deionized water, xanthan gum, glycerol, polyacrylate-13, polyisobutene, polysorbate-20, citronella, eucalyptus essential oil, lavender essential oil and methylisothiazolinone. The cream has the double functions of repelling mosquito and blocking sun.

The invention discloses a wolfberry drip irrigation cultivation method achieving double-layer cross straw covering, and belongs to the technical field of water saving drip irrigation cultivation in arid and semi-arid regions. According to the water saving drip irrigation method, aiming at soil and climate characteristics in the arid and semi-arid regions, by adopting the measures of wolfberry cutting seedling treatment, efficient furrow rainwater collection, drip irrigation cultivation in a furrow, drip irrigation system optimization and double-layer cross covering of crushed wheat straw and corn straw, the rainfall and irrigation water utilization rate is increased, and invalid waste of the water resource is reduced. Compared with a traditional wolfberry flood irrigation cultivation method, the total output is increased by 15.13%, the super fruit rate is increased by 13.6%, a C-class fruit rate is lowered by 4.6%, and the dry fruit average hundred-grain weight is increased by 14.44%;the protein content is increased by 2.53%, the polysaccharide content is increased by 10.42%, and the carotenoid content is increased by 45.169 mg / 100 g.

The invention discloses a method for planting lotus roots. The method comprises the following steps: carrying out variety selection, carrying out planting, carrying out water control, carrying out topdressing, carrying out lotus root head turning and carrying out harvesting. According to the method, firstly, good breeding lotus roots are obtained through variety selection, then, lotus root growing environment is optimized through strict-parameter planting and reasonable planting density, and finally, nutrient elements and moisture required in a lotus root planting process can be adequately guaranteed through water control and topdressing treatment, so that a foundation is laid for the yielding of high-quality lotus roots.

The invention discloses a pinellia ternate cultivation method and relates to the technical field of traditional Chinese medicine planting. The pinellia ternate cultivation method comprises the following steps of land selection and preparation, seed selection and seeding, weeding, fertilizing and watering. Compared with the prior art, the pinellia ternate cultivation method has the advantages that a forest land suitable for growth of pinellia ternate is selected, enough base fertilizer is applied, tubercles which grow robustly and have no pest diseases are selected as seeds, the emergency rate of the pinellia ternate is high, and the pinellia ternate grows quickly; four times of fertilizing are conducted in the growing process of the pinellia ternate, cultivating and weeding is conducted before fertilizing, watering is conducted frequently, and soil moist is maintained; water and nutrients needed for growth of the pinellia ternate are guaranteed, and the yield is improved.

The invention relates to a refreshing chrysanthemum body wash and a preparation method thereof. The refreshing chrysanthemum body wash is prepared by taking a chrysanthemum extracting solution as a main material and a Chinese traditional medicine extracting solution, a honey extract and glycerin as auxiliary materials and adding vitamin E. The preparation method comprises the following steps: (1) preparing the chrysanthemum extracting solution; (2) preparing the Chinese traditional medicine extracting solution; (3) preparing honey essence; and (4) mixing and sterilizing. The refreshing chrysanthemum body wash does not contain any chemical additive, a pure natural plant formula is adopted, and the chrysanthemum essence is adequately extracted, is compatible with multiple Chinese traditional medicinal materials and is simultaneously supplemented with glycerin and vitamin E, so that the refreshing chrysanthemum body wash is capable of simultaneously cleaning dirt on the skin, timely supplementing moisture to the skin and refreshing the skin and has a good skin refreshing effect.

The invention discloses a storage battery cover and a storage battery provided with the storage battery cover. The storage battery cover comprises a cover body and exhaust structures arranged on the cover body, wherein multiple transversely arrayed slots are formed in the cover body; each exhaust structure is arranged in each slot; a circular ring-shaped guide slot with a notch and a labyrinth type guide slot are further formed in each slot; each circular ring-shaped guide slot is close to an upper side wall plate of each slot; the exhaust structures are located in the circular ring-shaped guide slots; the labyrinth type guide slots are connected and communicated with the notches of the circular ring-shaped guide slots. According to the storage battery cover and the storage battery, acid lost from the storage battery can flow back into the storage battery, so as to guarantee the acid content and moisture in electrolyte of the storage battery and prolong the service life of the storage battery.

The invention relates to the technical field of skin care products, and particularly discloses a sodium hyaluronate moisturizing serum and a preparation method thereof. The sodium hyaluronate moisturizing serum comprises the following ingredients: water, mannitol, glycyrrhiza glabra root extracts, humectant, moisturizing accelerant and viscosity regulating agent, wherein the humectant comprises sodium hyaluronate, trehalose and [beta]-glucan; the moisturizing accelerant comprises the following ingredients: codium tomentosum extracts, tremella fuciformis Berk., polyglutamic acid, camellia seedoil and red algae extracts; and the viscosity regulating agent is prepared by mixing sodium polyacrylate, foeniculum vulgare extracts and phytosterol. The preparation method for the sodium hyaluronatemoisturizing serum comprises the following steps of: adding Carbomer 940, the humectant, the moisturizing accelerant, preservative and skin regulating agent into water, and adding onion skin powders,lotus corniculatus L extracts, the mannitol, the glycyrrhiza glabra root extracts, glycine betaine, ethylhexylglycerin and the viscosity regulating agent. The sodium hyaluronate moisturizing serum disclosed by the invention has the advantages of a good water supplementing effect and a long-lasting moisturizing effect, is clear and is not greasy after being smeared.