167results about How to "Can be used for a long time" patented technology

The invention relates to a method for preparing a molecular self-assembly porous vermiculite air purifying material. The method comprises that: (1) vermiculite is subjected to acid cleaning, alkali cleaning and alcohol cleaning sequentially; and finally, the vermiculite is washed by deionized water and dried; (2) the vermiculite is soaked in a 0.01 to 0.1mol/l surfactant solution; after the surface of the vermiculite is assembled with a layer of organic unimolecule film, the vermiculite is taken out; a surface physical adsorption composition is washed out; and the vermiculite is dried in vacuum; (3) the vermiculite is soaked in 0.15 to 0.35 mol/L sol; an SnCl2 solution is taken out and injected to the sol; PdCl2 is taken out and dripped to the sol; the mixture is kept stand, stirred and separated; a loose layer is washed out; and the mixture is dried; and (4) the step (2) and the step (3) are repeated for three to four times; and the mixture is calcined to obtain the molecular self-assembly porous vermiculite air purifying material. The preparation method is simple, easy to operate and suitable for industrial scale production; and the prepared air purifying material has good air purifying effect.

The invention belongs to the technical field of polymer composite materials, and particularly relates to a solar evaporator with a hollow structure and a preparation method and application thereof. According to the solar evaporator provided by the invention, the interior of the solar evaporator is of a hollow structure, the exterior of the solar evaporator is a shell layer of a two-layer structure, and the two-layer structure is composed of a porous polymer skeleton inner layer and an outer layer formed by a photo-thermal material. Under the irradiation of simulated sunlight (wherein one sunlight intensity is 1 KW/m<2>), the maximum value of the evaporation rate of the solar evaporator can reach 1.476 kg/m<2>/h, and the maximum value of the evaporation efficiency of the solar evaporator can reach 92.9%.

The invention relates to a method for preparing a pure natural fruit and vegetable cleaning agent. The method comprises the following steps of cleaning shells with water, airing, heating in an oven of which the temperature is 300 DEG C-450 DEG C for 5-10 minutes, then stripping the cuticula, and activating the cuticula-stripped shells at 900 DEG C-1200 DEG C for 3-5 hours; pulverizing the activated shells by virtue of a high-speed pulverizer or a ball mill; adding pulverized and activated shell powder to water while uniformly mixing under stirring, and aging for 2-3 hours; evenly stirring aged activated shell powder slurry, and drying by virtue of a spray dryer; and bottling the product and persevering in a sealed manner. The method disclosed by the invention has the advantages that the process is simple and the low in cost, the cleaning agent has strong bactericidal and antibacterial effects, pesticide residues on surfaces of fruits and vegetables can be effectively removed by virtue of the cleaning agent, and waxiness on surfaces of fruits and vegetables can be also removed, the cleaning agent is non-toxic and harmless to human bodies, and thus fruits and vegetables are more safely eaten.

The invention discloses a skin-whitening and spot-removing composition. The skin-whitening and spot-removing composition is prepared from the following raw materials in percentage by weight: 0.1 to 1.2 percent of fullerene, 1 to 5 percent of an emulsifier, 3 to 9 percent of a skin conditioner, 1 to 20 percent of a wetting agent and the balance of water. The composition can completely solve the problem of spots, can repair the damage resistance of cells, can fundamentally solve the problem of spots, and can cure the spots, particularly hyperpigmentation caused by inflammation, and avoid recurrence.

The invention discloses a nine-herb cream with effects of whitening and removing freckle marks. The cream is prepared from the following main raw materials in parts by weight: 30-50 parts of aloe juice spray dry powder, 35-60 parts of crocus sativus, 20-45 parts of rhodiola rosea, 19-32 parts of anoectochilus roxburghii, 16-42 parts of arbutin, 6-12 parts of centella extract, 3-9 parts of motherwort extract, 9-16 parts of gingko extract and 10-20 parts of citron. A whitening method for treating both symptoms and root causes is adopted, melanin of skin is completely extracted from inside to outside, the cream is capable of phagocytosing chromoplasts, improving cell activities, blocking spot formulation, promoting cytothesis and repairing injured skin out of freckles, so that the effect of treating and preventing freckles can be achieved, and various skin color problems, such as dark and dull skin, chloasma, freckles, dryness, uneven and lackluster skin tone, acne marks and the like can be finally repaired, and skin becomes white and tender as before, and is bright once again.

The invention discloses one filteration- deposition combined perfusion system used for animal cell perfusion culture. It comprises filtering- deposition- perfusion column, peristaltic pump, automatic controller, tri- way pipeline and pipe clamp; filtering- deposition- perfusion column is connected with peristaltic pump through tri- way pipeline, the rotation of peristaltic pump is controlled by automatic controller, pipe clamp is installed on pipe between filtering- deposition- perfusion column and peristaltic pump. The invention is characterized by simple structure, low cost, high collecting efficiency, long life length and wide application on micro- carrier or cluster animal cell perfusion culture.

The invention discloses a sound-absorption and waterproof attapulgite board and a preparation method, which belong to the technical field of attapulgite. The sound-absorption and waterproof attapulgite board comprises an abrasion-resistance and waterproof layer, a rubber buffer layer, a sound absorption layer, a board body and a waterproof protection layer in sequence from top to bottom, wherein the board body is prepared by taking attapulgite as a basic material; the sound absorption layer comprises an elastic layer and sound absorption fillers; a plurality of small holes are formed in the elastic layer and are filled with the sound absorption fillers; the sound absorption fillers are prepared by taking attapulgite as a basic material; the sound absorption layer is connected with the board body by adhesive; the sound absorption layer is connected with the rubber buffer layer by adhesive. The sound-absorption and waterproof attapulgite board has comparatively good sound-absorption, sound-insulation and waterproof effects and has the comparatively good characteristics of stable performance, high strength and good weather resistance; in addition, the preparation method has the characteristics of being simple and being convenient in operation and low in manufacturing cost, so that the current market requirement is met, and the application value is comparatively good.

The invention discloses a protein nutritious product as well as a preparation method and application thereof. The protein nutritious product is a gene peptide product with nanometer grain size which is directly obtained by carrying out enzyme hydrolysis, enzyme inactivation, separation, concentration freeze-drying or spray drying on three edible bacteria raw materials comprising agaricus blazei bacterial powder, cordyceps bacterial powder and grifola frondosa bacterial powder, is rich in active ingredients such as polysaccharide and the like, is easier to absorb, has no toxic and side effects, can take effect in dose of milligram, has higher officinal value and edible value and can be used as multiple traditional Chinese medicines, health care food, single raw material preparation of functional food and other foods as well as additive of health care products.

The invention discloses a peony flower-containing anti-inflammation and deodorization fragrant mouthwash and a preparation method thereof. The mouthwash is prepared from, by mass, 1-20% of a peony flower extract product concentrate liquid, 2-3% of a surfactant, 0.05-2% of a flavoring, 4-8% of a humectant, 0.01-0.2% of an antiseptic, 8-15% of ethanol, and the balance of water. The mouthwash has obvious anti-inflammation, sterilization and ozostomia removal effects on oral cavities of human bodies, and also has the advantages of simple preparation, low cost, safety, reliability, and suitableness for large-scale popularization and application.

The invention relates to a high-performance medium-temperature inorganic phase-change material and a preparation method thereof. The materials of the inorganic phase-change material and the weight percentage ranges of the materials are as follows: 86 to 90 percent of magnesium nitrate hexahydrate; and 10 to 14 percent of lithium nitrate. The preparation method includes the following steps: the magnesium nitrate hexahydrate and the lithium nitrate are uniformly mixed according to the weight percentage, are completely melted under the temperature of 90 DEG C and are packaged, and thereby the finished inorganic phase-change material produce is prepared. The materials of the medium-temperature phase-change energy-storing material provided by the invention are abundant, the price is low, the medium-temperature phase-change energy-storing material is nontoxic and noncorrosive, the preparation method is simple, the latent heat of phase change is high, the phase change temperature is between 62 DEG C and 73 DEG C, the performance is excellent, repetitive experiments prove that the performance of the inorganic phase-change material is stable, and the inorganic phase-change material does not have the phenomena of undercooling or phase separation, and can be widely popularized and applied in fields such as electric heating elements, heat storage and temperature regulation of water heaters, daily energy-saving products and the like.

The invention discloses a head-wearing automatic cooling device and a cooling method. The method comprises following steps: utilizing water-proof silent fans to control liquid volatilization in a cooling paste for fast cooling; utilizing head temperature sensors and an ear temperature sensor to measure and monitor head temperature and ear temperature at every moment and meanwhile sending signals of head temperature and ear temperature to a central processing unit; and determining whether body temperature is higher than date value for normal body temperature or not when the central processing unit receives signals of head temperature and ear temperature and obtains data of body temperature so as to further control the water-proof silent fans to start and stop. The head-wearing automatic cooling device and the cooling method have following beneficial effects: rapid cooling is achieved while body temperature can be monitored in a real-time manner and automatic cooling control is realized so that cooling degree is effectively controlled, excessive cooling is avoided and cooling speed is controllable; a patient's condition is conveniently mastered; and the head-wearing automatic cooling device is low in cost and long in acting time without too much manual intervention and is safe and convenient and is comfortable to wear without noise.

An application of danshinolic acid in preparing the medicines in the form of tablet, oral liquid, injection, spray, or suppository for preventing tumor is disclosed.

The invention discloses the application of giant knotweed rhizome anthraquinone or its acid constituent in preparing antioxidant, food additive, drug or health products, as well as these products. The determination of giant knotweed rhizome anthraquinone or its acid constituent shows their well oxidation resistance function without any toxin, thereby, all preparations are security, reliable and can be used for long time.

The invention discloses a preparation method for extracting a dendrobium officinale extract and a compound disinfecting and killing preparation by combining a semi-bionic enzyme and an ultrasonic method. The extraction method of the dendrobium officinale extract comprises the following steps: washing, drying, crushing, performing semi-bionic enzymolysis, performing semi-bionic ultrasonic treatment, decoloring, concentrating, washing and purifying. The semi-bionic enzyme-assisted extraction method is adopted, enzymolysis is conducted firstly, then semi-bionic ultrasonic extraction is conducted, extraction conditions are optimized, the dendrobium officinale extract is extracted, the whole technological process has the advantages of being free of pollutant emission, low in cost, short in production period, high in operability and high in yield, the method is suitable for large-scale production, the yield after semi-bionic enzymolysis is higher than that of conventional extraction, and development and utilization of dendrobium officinale resources are facilitated. The dendrobium officinale extract prepared by the method has better antibacterial and antiviral effects, and can be combined with other components to prepare spray, gel, ointment, hand sanitizer, wet tissue and other disinfection preparations.

The invention discloses traditional Chinese medicine emulsifiable plaster for treating eczema and a preparing method thereof. The effective components for preparing the traditional Chinese medicine emulsifiable plaster include, by weight, 10-30 parts of cicada slough, 3-13 parts of cortex moutan carbonisatum, 5-25 parts of cynanchum paniculatum, 10-30 parts of sophora flavescens, 5-20 parts of radix puerariae, 30-50 parts of aloe vera gel, 3-18 parts of liquorice, 8-24 parts of Chinese angelica, 10-30 parts of portulaca oleracea, 5-15 parts of folium mori, 5-15 parts of wild chrysanthemum, 8-24 parts of prunella vulgaris, 10-20 parts of borneol, 2-18 parts of cortex dictamni, 5-20 parts of mint, 5-20 parts of notopterygium incisum, 4-16 parts of oriental wormwood, 5-20 parts of belvedere fruit, 10-30 parts of natural indigo, 30-60 parts of beewax and 30-50 parts of eucalyptus oil. The traditional Chinese medicine emulsifiable plaster is obtained through preparing of extractive powder, preparing of Chinese herbal medicine ultra-fine powder, emulsifying and mixing. The components do not include toxic substances or rare animals and are free of toxic reactions and irritation, low in price and capable of being used for a long time, the therapeutic principles that heat and toxic materials are cleared away, blood is nourished, wind is expelled, dampness is eliminated and itching is relieved are achieved, the current problems are resolved, the root is eliminated, the curative effect is definite, and the effective rate reaches up to 100 percent.

The invention discloses a scar removing composition containing alligator oil and application thereof. The scar removing composition containing the alligator oil is prepared from the following ingredients by mass percent: 1 to 10% of the alligator oil, 0.5 to 5% of asiaticoside and 0.5 to 5% of glycosylglycerol. The scar removing composition has triple skin care effects of removing scar tissues, promoting cell neogenesis, nourishing the skin and fading pigment. If being used for a long time, the scar removing composition has good scar fading effect; when commonly-used matrixes or carriers of skin care products are added, the scar removing composition can be prepared into cosmetics of masks, cream, hair gel, emulsions, essences, mist spray, toners and the like.