72results about How to "Balance moisture" patented technology

The invention discloses a green tea processing method for reducing bitterness of autumn tea and summer tea, comprising the following steps:1) selecting tea leaves: selecting fresh tea leaves of autumn and summer and grading; 2) withering: spreading the fresh tea leaves for withering, wherein the water content of the withered leaves is 70-75%; 3) conducting fine manipulation: carrying out fine manipulation on the withered leaves to obtain fine-manipulated leaves, wherein fine manipulation comprises rotating and cooling which are alternately and repeatedly; 4) de-enzyming: de-enzyming the fine-manipulated leaves to obtain de-enzymed leaves; 5) dampening: dampening the de-enzymed leaves; 6) rolling: rolling the dampened leaves; 7) drying: using a gross fire to dry the rolled leaves until the water content is 10-20%, then using a complete fire to dry, wherein the water content of the dried leaves is 4-6%. According to the invention, by using the fresh tea leaves and optimizing the processing method, the produced green tea can reduce the bitterness of tea, thus fragrance of green tea with natural fragrance of flower is formed, and the taste quality is thick and mellow.

The invention belongs to the technical field of landscaping maintenance and particularly relates to a full-effect tree nutrition infusion liquid. The nutrition infusion liquid comprises a macroelement and a microelement needed for the tree growth, a coenzyme, an active protective agent, a soluble sugar, a plant growth hormone, a preservative, aspirin and water. The full-effect nutrition infusion liquid contains a high active protective agent, an antivirus stress-resistant factor, and is chelated with the macroelement and the microelement for the crops, a growth promoter, an antifungal bacterium active enzyme and other nutrient contents and adjusting factors. The nutrition infusion liquid is able to reach the purposes of supplementing the nutrient for the plantlet at one time, balancing the water in the plantlet and realizing explosive and rapid rooting. Besides, the nutrition infusion liquid has unique antimicrobial bactericidal protective effect, dehydration-resistant protective effect, anti-freeze protective effect and high-permeability resistant protective effect for the trees, is convenient to prepare and simple in condition, and is safe and reliable.

The invention discloses a whitening anti-aging low-allergenicity skin care essence lotion containing a lactobacillus fermentation product. The essence lotion is prepared from, by mass percentage, 0.1-5% of the lactobacillus fermentation product, 1.0-15.0% of a water-soluble moisturizing agent, 0.5-2% of an emulsifier, 0.5-2% of higher aliphatic alcohol, 0.5-2% of higher aliphatic acid, 0.1-1% of athickener, 0.2-5% of an oil-soluble moisturizing agent, 0.1-10% of a skin conditioning agent, 0.1-1% of an anti-allergic agent and the balance water. According to the essence lotion, the lactobacillus fermentation product is compounded with the moisturizing agents, the skin conditioning agent and the anti-allergic agent which have various effects of moisturizing, whitening, allergy relieving, repairing and the like, so that the synergistic effect is achieved, the skin moisture can be locked, the skin is kept moisturized, skin collagen is replenished, aging of the skin is delayed, a cosmetic can be endowed with significant whitening and anti-aging effects by applying the lactobacillus fermentation product to an essence lotion system, the skin is finer, smoother, whiter and more moisturized, and the skin state can be well improved; meanwhile, due to the low allergenicity of the lactobacillus fermentation product, the irritation of the essence lotion is greatly reduced.

The invention belongs to the technical field of skin care products, and particularly relates to mask liquid with a repairing function and a preparation method thereof in order to solve the problems that in the prior art, flushing, red itching and slow skin healing are caused after a face operation, skin is dry, rough, loose and free of elasticity, pigmentation is likely to be generated, or scars are left and hard to heal. The mask liquid with the repairing function is prepared from, by weight, 1-15 parts of butanediol, 1-15 parts of propylene glycol, 0.1-1 part of xanthan gum, 0.1-1 part of EDTA, 0.1-1 part of allantoin, 45-96 parts of water, 3-20 parts of glucan, 0.1-2 parts of snail mucus extract, 0.01-0.3 part of drawing agent, 0.01-0.4 part of decoyl hydroximic acid, 0.5-3 parts of glycerol, 0.01-0.6 part of oligopeptides-1, 0.1-3 parts of the stem of noble dendrobium and 0.01-0.5 part of sodium hyaluronate. The preparation method of the mask liquid with the repairing function is further provided. All the components act together according to the matching relationship to achieve the functions of repairing, skin whitening and face skin regeneration promoting.

The invention discloses a sintered product of rejects and shale modular cellular bricks and a preparing method thereof. The preparing method of the product comprises the following steps of: ensuring that the raw material with the fineness being lower than 0.5 to 0.25 mm occupies 65 percent of all the raw materials through rough crushing, fine crushing and sifting; blending rejects and shale in proportion by weight of 70 to 85 percent: 15 to 30 percent, and adding water and uniformly stirring, and putting the material into a storage warehouse to be stored, wherein the quantity of water added is excessive; feeding the stored material into a molding machine to be conducted to semi-hard plastic extrusion molding; sintering at the maximum temperature of 1000 to 1080 DEG C for 8 to 16 hours; ensuring that the firing time is 28 to 36 hours; and slacking the material in water after kiln discharging and sorting. The main material of the product adopts rejects which are abandoned by most mines and required to be conducted to safe disposal, the preparing method can effectively and conjunctively utilize rejects, change waste into valuable, meet the requirements of energy saving and emission reduction, and achieve significant social benefit and economic benefit.

The invention discloses a planting method for improving the nutritive value of spinach. The planting method includes the following steps: S1, seed pretreatment: beating seeds so as to remove seed coats, repeatedly soaking and rubbing the seeds for 1-3 times to acquire pretreated spinach seeds; S2, germination accelerating of the seeds: covering the pretreated spinach seeds with a bar-shaped article formed by a multi-layer structure, performing germination accelerating treatment to acquire geminated spinach seeds; S3, sowing and seedling raising: embedding a nutriment fertilizer in furrows of a vegetable land, and sowing the germinated spinach seeds in bed surfaces; and S4, field management. The planting method can increase the content of microelements such as Fe and Zn in the spinach, can obtain finished products of the spinach which are fresh and green in color and are regular in leaves, can greatly the nutritive value of the spinach, and has excellent promotion performance.

The present invention relates to a tobacco leaf on-line vacuum conditioning pretreatment process. Said process includes the following procedures: manually selecting raw material, placing the raw material into transfer box on the conveying line, feeding the transfer box into the vacuum conditioning machine connected on the conveying line along the conveying line to make vacuum conditioning treatment, then feeding the transfer box into box-turning machine, and feeding it into the feeding machine and sand-sieving device to make sand-sieving treatment, then feeding the tobacco leaf raw material into the following various procedures.

The invention relates to a health-care food with a function of improving skin moisture. The health-care food is prepared by uniformly mixing hyaluronic acid, chondrolin sulfuric acid, water soluble pearl powder, fish collagen, vitamin C powder, vitamin A powder, glycine, proline, a grape seed extract and starch. The preparation process is simple, the health-care food is convenient to take, various raw materials with functional factors are scientifically and reasonably mixed, and the synergistic effect is achieved, so that the therapeutic effect of regulating in-vivo circulation is achieved, the balance of the skin moisture can be kept from inside to outside, and the effects of food therapy and beautification are achieved.

The spot-disappearing moisture-holding skin-protecting agent is characterized by that it comprises skin-protecting base material to which 0.01%-10% of tea polyphenol, 1%-20% of coix seed extract, 1%-15% of dahurian angelica root and 1%-10% of vitamin E are added, and 0.01%-0.5% of hyaluronic acid also can be added. Said base material comprises oil-phase raw material and water-phase raw material, in which oil-phase raw material in oil-soluble skin-moistening agent whose content is 5%-85% and the water-phase raw material is polarity solvent whose content is 15%-90%. Said invention has the functions of disappearing spot, inhibiting melanic production, resisting UV ray, improving blood circulation, promoting metabolism of skin.

The invention discloses a multistage feeding method for cigarette making, which includes: determining number of feeding stages and feed liquid to be applied for each stage according to different requirements on tobacco leave differentiation and individualization, and determining process parameters of each stage of feeding according to physical and chemical characteristics of the applied feed liquid, wherein process flow of each feeding stage includes a feeding cycle: loosing and damping, primary feeding, storing leaves in a box, secondary feeding, storing the leaves in the box, tertiary feeding, storing the leaves in the box and the like. The multistage feeding method breaks through the mindset of the traditional feeding methods, the feeding way is more flexible, the feed liquid applied on each stage is more targeted, risk of nonuniform feeding is lowered, the tobacco leaves more sufficiently absorb the feed liquid, moisture of the tobacco leaves can be balanced, feeding effectiveness can be fully guaranteed, and the feed liquid is given to fullest play.

The invention relates to a platane wood anti-corrosion processing method which comprises the following steps: (1), soaking a wood board in a phosphoric acid solution with the mass fraction of 0.5% for 2 hours, and then, brushing the surface of the wood board by using a zinc sulfate aqueous solution with the mass fraction of 0.5%; (2), covering the surface of the wood board with a layer of mixed mud with the thickness of 4 cm; (3), performing heat preservation on the wood board covered well in the step (2) for 48h under the conditions that the temperature is 42 DEG C and the relative humidity is 35%, and spraying a saline solution with the mass fraction of 0.5% for one time every other 1 h during the heat preservation process; (4), performing heat-preservation processing on the wood board processed well in the step (3) for 5h, and spraying a sodium citrate solution with the mass fraction of 0.5% for one time every other 1 h; (5), processing the wood board processed well in the step (4) under the conditions that the temperature is 48 DEG C and the relative humidity is 15% until the water content of the wood board in the mixed mud is not greater than 18%. By adopting the processing method, the anti-corrosion performance of the wood board can be greatly improved.

The invention discloses a method for testing influence of temperatures on frequency-domain dielectric spectra, and relates to the field of detection of insulation states of oil paper for transformers.The method includes steps of S1, selecting a plurality of oil paper insulation samples; S2, sealing the multiple oil paper insulation samples and then placing the oil paper insulation samples in constant-temperature tanks to carry out still standing; S3, determining the maximum to-be-tested temperatures and setting the maximum to-be-tested temperatures as initial temperatures; S4, setting the temperatures of the multiple constant-temperature tanks as the initial temperatures, carry outing out sealing and still standing, and then testing the frequency-domain dielectric spectra of the multipleoil paper insulation samples; S5, lowering the temperatures of the multiple constant-temperature tanks by set temperature difference after measurement is accomplished at the step S4, then carrying outsealing and still standing, and then testing the frequency-domain dielectric spectra of the oil paper insulation samples in the multiple constant-temperature tanks at the lowered temperatures; S6, repeatedly carrying out the step S4, and stopping tests when the lowered temperatures are lower than the room temperature. The method has the advantages that temperature lowering procedures can be regularly simulated and tested by the aid of the method, and data of the frequency-domain dielectric spectra of the oil paper insulation samples are favorable for follow-up research.

The invention discloses a flexible tobacco shred storage and distribution method which comprises the following steps of packing, warehousing and box storing, ex-warehousing, conveying, inbound box outrunning and tobacco shred feeding station feeding. According to the flexible tobacco shred storage and distribution method, cabinet tobacco shred storage is replaced by box tobacco shred storage, and the storage position is mobile and flexible. The flexible tobacco storage and distribution method has the beneficial effects that the accurate tobacco shred box information flow is realized through the reading and writing functions of a smoke box information barcode scanning device and a barcode identifying device; the space utilization ratio and the flexibility of tobacco shred production and produced tobacco shred storage can be effectively improved, and particularly, the storage of a small batch of tobacco shreds is more convenient and more practical, so that the flexible function of the tobacco shred storage is realized. When the tobacco shreds are stored in a relatively-sealed smoke box, the adsorption of finished tobacco shred flavor and the moisture balance are more facilitated, so that the quality of finished tobacco shreds is further improved.

The invention discloses a platnum antibacterial and deodorant freshness-retaining block and relates to the technical field of antibacterial and freshness-retaining technology. The block is characterized in that: activated carbon fibers serve as an adsorption layer; a catalyst is carried on the activated carbon fiber; the catalyst is solution prepared from chloroplatinic acid, silver nitrate, copper nitrate, manganese nitrate and water; the activated carbon fibers are dipped in the prepared solution; and then the activated carbon fibers are dried and activated at the temperature of between 200 and 500 DEG C. In the block, a novel adsorption material, namely the activated carbon fibers serve as the adsorption layer and the carrier, and the catalysts of platinum, copper, manganese, silver and the like, is carried on the activated carbon fibers at the same time, so the functions of resisting bacteria, deodorizing, retaining the freshness of foods are achieved through the high adsorptivity and moisture absorbing and adjusting properties of the activated carbon fibers, and the catalyst characteristic of the catalysts of platinum, copper, manganese, silver and the like.

The invention belongs to the field of daily chemicals, and relates to an anti-dandruff and itching-relieving shampoo composition as well as a preparation method and application thereof, and the composition comprises the following components in percentage by weight: 0.1-5% of hydrolyzed chitosan, 0.001-2% of sophocarpidine and 0.01-2% of pyridoxine hydrochloride. In the composition, the natural and mild anti-dandruff agent hydrolyzed chitosan is selected to be compounded with a low-dose natural low-irritation bactericide matrine to inhibit malassezia, inflammation can be inhibited, and itching in head can be relieved; the hydrolyzed chitosan can effectively enhance scalp moisturizing, and pyridoxine hydrochloride is compounded to moisturize and regulate scalp grease, so that scalp moisture and grease are kept balanced, the scalp health state is maintained, and a better anti-dandruff effect is achieved.

The invention provides skin-care cleansing water. The skin-care cleansing water is prepared from, by weight, 5%-15% of polyoxyethylene sorbitan monolaurate, 2%-15% of water-soluble lanolin, 4%-8% of lecithin, 0.02%-0.16% of citric acid, 0.01%-0.1% of sodium citrate, 0.01%-0.02% of methylisothiazolinone, 2%-4% of sodium hyaluronate, 5%-10% of sodium cocoyl glutamate, 2%-6% of sodium lauroyl glutamate, 1%-3% of calendula officinalis extract, 0.5%-2% of chitosan oligosaccharide and the balance deionized water. The cleansing water clears residues such as sebum, exuvium and heavy makeup which are accumulated in pores and has the advantages of being rapid in sebum dirt removing, convenient to use and small in irritation; meanwhile, the cleansing water has a moisturizing function, plays roles of protecting and nourishing the skin, is suitable for skins of different physiques, can regulate grease secretion, balance moisture and benefit the skin and can serve as a skin-care product for cleansing for a long time.

The present invention provides a sun protection skin-moistening cream containing Chinese medicinal materials and other oil. Said invented sun protection skin-moistening cream at least contains the Chinese medicinal materials of pear powder hydrolysate, royal jelly, coix seed extract, platycodon root extrat and poria extract, etc. and the components of otter oil and artificial synthetic oil, so that said invented sun protection skin-moistening cream contains the components of fatty acid-linolic acid linolenic acid, several vitamins, allantoin and components of promoting blood circulation and protecting skin which are necessary for human body, therefore said invention has the excellent effect for sun protection and moistening skin. Besides, said invention also can be used in the winter, it can be used for preventing and curing hand and foot xerochase. Said invention also has the good effect for curing pimple.

The invention provides a preparation process of soybean stewed sauce. According to the preparation process, a stewing procedure is added after the conventional fermentation and drying procedures, so that the moisture in the sauce can be effectively regulated, and the balance of moisture inside and outside the sauce is ensured. Meanwhile, the stewed soybean sauce is black and bright in color, more mellow in mouthfeel and thicker in peppery taste and is particularly suitable for preparation and storage in southern areas and particularly in the southern Anhui.

The invention discloses equipment for improving cultivation of alfalfa in saline and alkaline land. The equipment comprises a fixed frame, a cultivation box, an irrigation assembly, a pesticide spaying assembly and a control box; the fixed frame is provided with a connecting rod and adjusting holes, the cultivation box is movably connected with the fixed frame, a planting groove is formed in the cultivation box, and the lower end of the cultivation box is provided with a one-way water-permeable plate and reverse osmosis pipes; the fixing frame is provided with a desalting box, the reverse osmosis pipes are connected with the desalting box, the planting groove is internally provided with a soil layer, a nutrient medium layer and a water-permeable layer, and the nutrient medium layer is internally provided with a soil humidity detection device; the irrigation assembly comprises a water storage box and an irrigation pipe, the irrigation pipe is connected with the water storage box througha connector, the pesticide spraying assembly comprises a pesticide box and a spraying plate, the spraying plate is connected with the pesticide box, and the control box is connected with the soil humidity detection device. The equipment is reasonable in structural design, the growth environment of alfalfa is effectively improved, the yield of the alfalfa is increased, and the equipment is suitable for mass popularization.

The invention discloses a high-performance self-heating material. The high-performance self-heating material is prepared from the following raw materials in parts by weight: 16 to 25 parts of calciumoxide, 1 to 2 parts of aluminum powder, 3 to 8 parts of sodium carbonate, 0.1 to 0.2 part of aluminum chloride, 0.1 to 0.3 part of active carbon powder, and 10 to 35 parts of water. By utilizing consecutive reaction, the three-level heat releasing reaction is successively initiated, a great amount of heat sources can be provided in the reaction process, more heat can be provided compared with thetraditional calcium oxide, and the time is longer. The invention also discloses a reaction apparatus and method of the high-performance self-heating material. By adopting the layering design, the three levels of reaction belong to the heat release reaction and can release a given amount of heat. The reaction apparatus can be selectively controlled to only have the primary heating reaction or simultaneously have the primary heating reaction, secondary heating reaction and tertiary heating reaction according to different requirements for the temperature, so that the reaction apparatus is controlled to release different amounts of heat.

The invention discloses a refrigerator deodorizer and a refrigerator, belongs to the technical field of refrigerators and is designed to solve the problems that a conventional refrigerator cannot efficiently, permanently and radically sterilize and deodorize, cannot keep food fresh and is low in safety. The refrigerator deodorizer comprises a deodorizer main body provided with a porous reticulate structure and coated with a deodorant layer. The invention also provides a refrigerator including the refrigerator deodorizer and a light source. According to the invention, the porous reticulate structure of the deodorizer main body not only can filter solid impurities in air, but also can absorb water in air so as to effectively balance the food moisture content to keep food fresh, and accordingly, the stored food has low probability of breeding bacteria and fungi; and the deodorant layer coating the deodorizer main body can efficiently, permanently and radically sterilize and deodorize, so that the deodorization rate reaches more than 95%, the fresh-keeping effect is good, no harm is caused to human bodies and the safety is high.

The invention relates to the field of cleaning agents, in particular to a skin cleaning and care agent. It is composed of the following parts by weight: 3-8 parts of vitamin E, 15-25 parts of cow hoof oil, 5-10 parts of methyl benzoate, 0.5-3 parts of lipase, 10-12 parts of modified silicone oil, pine needle essential oil 3-6 parts, 10-15 parts of plant-extracted eucalyptus oil, 25-40 parts of isopropanol, 3-5 parts of dodecyldimethylbenzyl chloride, 3-8 parts of sodium metasilicate pentahydrate, benzoic acid 5-12 parts, 0.5-1 parts of foaming agent, 25-30 parts of liquid paraffin, 5-8 parts of non-ionic surfactant, 10-15 parts of lanolin, 45-65 parts of natural coconut oil, 15-20 parts of orange oil 5-12 parts of aloe extract, 5-10 parts of natural plant flavor, 80-120 parts of purified water. The leather cleaning and care agent provided by the invention adopts pure natural plant extracts and oils as main raw materials, and the added lanolin and various lipids can make the surface of the leather super antifouling and waterproof, isolate the leather from water and stains, and make The moisture in the dermis is kept balanced, and the added orange oil and aloe vera extract can effectively sterilize and remove odors.

The invention discloses natural moisturizing whitening skin-care cream comprising the following raw materials by weight: 3-8 parts of rose essential oil, 5-10 parts of olive oil, 2-7 parts of pearl powder, 5-10 parts of an antibacterial component, 10-15 parts of cucumber juice, 10-15 parts of aloe vera extract, 3-5 parts of honey and balance of deionized water. The natural moisturizing whitening skin-care cream uses natural plant ingredients, is free of any side effects, and rich in amino acids, proteins, vitamins and enzyme nutrients, can effectively improve the nutritive state of skin, promotes skin cell metabolism, balances moisture, moisturizes the skin, makes the skin smooth and elastic, uses the pearl powder to solve the face oil and dead skin problems and whiten the skin, and can effectively make the skin beautiful and bright.

The invention relates to the technical field of food processing, in particular to a method for making instant rice noodles. The method comprises the following steps of: 1) crushing raw materials including Guichao rice and polished round-grained rice, and sieving the raw materials by using a 80-mesh sieve to obtain rice flour; 2) mixing the rice flour with water in proportion to obtain rice milk, and inoculating saccharomyces cerevisiae, aspergillus oryzae and lactobacillus plantarum into the rice milk; 3) placing the inoculated rice milk into an incubator for fermenting; 4) adding whey proteinpowder, egg white protein powder and alpha-amylase into the fermented rice milk; 5) placing the rice milk into a rice noodle maker for extruding at the extrusion temperature between 100 DEG C and 120DEG C, and carrying out aging treatment on the extruded rice noodles at the aging temperature between minus 2 DEG C and 4 DEG C for 4 to 8 hours; and 6) performing noodle opening treatment and microwave-hot air circulation gradient drying to obtain the instant rice noodles. The instant rice noodles made by the method have good mouth feel, short rehydration time, low probability of noodle breakageand milky soap and high nutritional value.

A skin-care agent containing solute and solvent is characterized in that the following proportional raw materials are added in the solute by weight: tea polyphenol 0.01-10%, distilled vinegar 1-20%, extract from dahurian angelica root1-15%, vitamin E 1-10%, as well as charging hyaluronic acid 0.01-0.5% to the materials. The invention has the efficacies of dispelling speckles, inhibiting the arising of melanin, resisting the harassment of ultraviolet, thereby the grease excretion is effectively balanced, the necessary moisture in the skin is replenished, water deficiency and ageing of skin and all kinds of cutaneous infection are prevented, the blood circulation is improved, the metabolism is promoted. The invention can help skins to produce collagen, make skins feel elastic and supple, and has the effects of detumescence, antibiosis, and whitening.

The invention discloses lining paper for constant-moisture quality-aroma reserving aluminum-free cigarette. The lining paper comprises a base paper layer, a hot melt sealing layer, a waterborne sealing layer, a waterborne printing layer and a waterborne protection layer are sequentially arranged on the upper surface of the base paper layer from inside to outside, a moisture layer is arranged on the lower surface of the base paper layer, the lining paper for the cigarette further comprises a moisture-aroma reserving layer arranged on the upper surface or the lower surface of the base paper layer; the moisture-aroma reserving layer is arranged between the base paper layer and the hot melt sealing layer or between the base paper layer and the moisture layer. In addition, the invention further discloses a manufacturing process of the lining paper. The lining paper has the advantages that cigarette product moisture can be effectively balanced, and quality of the cigarette product is sustained.

The invention provides multi-moisturizing makeup removing lotion which is prepared from, by weight percentage, 5-15% of vegetable fat, 5-15% of emulgator, 3-15% of alcohol moisturizer, 0.25-2.5% of sugar moisturizer, 0.01-0.25% of macromolecule moisturizer, 3-6% of rose extract, 1-3% of lavender essential oil, 0.1-0.6% of preservative, 0.1-0.4% of an anti-allergic agent and 40-80% of deionized water, and the sum of the weight percentages of the components is 100%. The makeup removing lotion effectively maintains moisture balance on the skin surface, prevents drying skin and is free of side effect while removing makeup, the rose extract and the lavender essential oil are matched for use in certain proportion, and a quite good soothing effect is achieved; besides, a composite moisturizing system formed by three different types of moisturizing ingredients greatly overcomes the defect that a single moisturizing ingredient is incomplete in function and not remarkable in effect as a whole; meanwhile the invention further provides a preparation method of the makeup removing lotion.

The invention discloses a moisturizing anti-chapping bacteriostatic deodorant foot smearing agent and a preparation method thereof, and particularly relates to the technical field of skin care products. The agent is prepared form tea extract, broom cypress fruit extract, raspberry extract, phellodendron bark extract, baical skullcap root extract, flavescent sophora root extract, cnidium fruit extract, vitamin E, urea and lanolin, the agent can rapidly improve skin chapping and rhagadia hemorrhage, balance subcutaneous water and functions, inhibit bacterial fungi, relieve itching, remove odor,relieve pain of affected parts, repair damaged tissues, and promote gradual recovery of foot fissure, rhagadia and desquamation, the agent is convenient and effective to use. The agent has the advantages of reasonable formula, moisture retention, chapping resistance, itching relieving, bacteriostasis, deodorization, foot skin nursing, convenience, practicability and good effect through skin smearing and traditional Chinese medicine transdermal absorption.