41results about How to "Extend attachment time" patented technology

A long term physiological signal sensing patch, including a water protective film, an electrode layer, a conductive hydrogel layer, a block layer and a first attaching layer. The water protective film provides functions of electrical insulation, stickiness and water protection. The electrode layer includes at least two electrodes attached to the bottom of the water protective film. The conductive hydrogel layer configured beneath the electrodes is electrically conductive and sticky. The block layer is under the electrodes to block water, and accommodates the conductive hydrogel layer. The first attaching layer is provided around the block layer. Therefore, the sensing patch can be attached to the human body for a long period of time to sense physiological signal, which is further transmitted to the external apparatus for more detailed analysis, calculation or display.

A one-component moisture-cure polyurethane based adhesive composition is provided. The composition comprises (A) a prepolymer obtained from an organic polyisocyanate compound and having an average number of isocyanate groups of 2 or more per molecule; (B) a prepolymer having an average number of isocyanate groups of less than 2 per molecule; (C) a tertiary amine catalyst; and (D) an organic solvent selected from the group consisting of ether, ester and ether-ester of polyhydric alcohol.

The invention provides a high-pressure atomization water saving system for washing hands. A water outlet of a tap is connected with a three-branch device; every outlet of the three-branch device is provided with an atomizing nozzle; the outlets of the three-branch device are distributed as a triangle, wherein two water outlets are arranged in front, and the other one water outlet is arranged back; and a pipeline connected with the tap is connected with a pressure-controlled automatic booster pump. Water in the tap is subjected to high-pressure atomization and then is sprayed out to form a large number of fine water drops spread in a large area, and as the fine water drops adhere to skin surface for a long time and can carry more dirt than the prior water column, the utilization rate is improved, so water can be saved. The automatic booster pump in the pipeline can automatically increase pressure, so as to guarantee the normal operation of the atomizing nozzle.

The invention belongs to the technical field of barren mountain greening ecological protection, relates to a rock vegetation establishment and construction technology for barren mountain rock greening and preventing water loss and soil erosion, particularly to preparation and construction process of a barren mountain rock greening material. In the early stage, the barren mountain rock greening material is a liquid-solid mixture and comprises adhesives, organic soil, foam materials, plant seeds and the like. The barren mountain rock greening material is placed on barren mountain rocks or the outer wall of a building through spray-seeding, capable of foaming at normal temperature, and finally formed into an adhesive layer, an organic soil layer, a porous foam framework for fixing the organic soil layer and plant seeds and a phytocoenosium layer. The barren mountain rock greening material is pollution-free and capable of achieving natural degradation in a certain period of time. According to the barren mountain greening technology, establishment and construction can be successfully achieved through one-time spray-seeding, the construction technology is simple, later manual maintenance is not required, and the material is environment-friendly, can be firmly adhered to rocks or the surface of the building, resist rain impact, hold moisture, retain fertilizer and be high in air permeability.

The invention discloses a formula for solid instant special foliar fertilizer which can promote the color formation of bagged grape fruit and a production method thereof, belonging to the field of fertilizer. The special foliar fertilizer mainly comprises the following components according to weight percentage: 2.1-6.1 % of glucose, 6-10% of nitrogen, 16-20% of phosphorus, 26-30% of potassium, 0.5-1.3% of magnesium, 1.2-2.9% of sulphur, 0.1-0.3% of ferrum, 0.015-0.04% of copper, 0.03-0.1% of manganese, 0.015-0.04% of zinc, 0.006-0.018% of boron and 0.0015-0.004% of molybdenum. The special foliar fertilizer has obvious effect, can obviously improve synthesis and transportation of enocianina and improves grape sugar content and acre yield, the contained elements and substances are beneficial to plants, so that the special foliar fertilizer has wider market and developing and applying value. The method for preparing the special foliar fertilizer can avoid fertilizer agglomeration, and ensures that raw materials are evenly mixed and dissolved quickly.

The invention relates to a flavoring bag, a fish flavoring bag and a fish cooking method, which are belong to the field of food. The flavoring bag is obtained by mixing a main material and the auxiliary materials, then edible oil is added for stir frying, and water is added for boiling. The main material comprises pickling food, bean cotyledon, pungent substances, rock sugar, chili substances and chicken paste, the auxiliary materials are a yeast extract, vanilla, zingiber kawagoii hayata, clove, cassia, tsaoko amomum fruit, anise, fennel, powdered pepper, old ginger, monosodium glutamate, ethyl maltol, Yu Xiangbao, and potassium sorbate. The flavoring bag has the advantages of unique flavor and rich fragrance. The fish flavoring bag comprises the above flavoring bag, a fish pickling bag, and a dried material bag, wherein the fish pickling comprises salt, starch, flour, egg white, papain, trypsin, perilla polyphenol, Stellaria alsine and dried yeast, and the dried material bag comprises minced meat, dried flowers and dried fruits. The fish flavoring bag has the advantages of low cost and rich color and fragrance, and has better seasoning effect for fish. The fish flavoring bag is used for cooking fish, can shorten the cooking time, keeps the tender of the fish flesh, and makes the fish tasty.

A one-component moisture-cure polyurethane based adhesive composition is provided. The composition comprises (A) a prepolymer obtained from an organic polyisocyanate compound and having an average number of isocyanate groups of 2 or more per molecule; (B) a prepolymer having an average number of isocyanate groups of less than 2 per molecule; (C) a tertiary amine catalyst; and (D) an organic solvent selected from the group consisting of ether, ester and ether-ester of polyhydric alcohol.

The invention provides a nutrient composition for promoting crop growth, which comprises the following components in percentage by mass: 5-10% of rhamnoilpid, 0.8-4.5% of 5A-hydroxylaxogenin, 0.06-0.8% of theobromine, 6-14% of nucleotide salt, 0.01-0.2% of tetraphenyl porphyrin magnesium salt, 40-55% of macronutrient, 20-24% of secondary nutrient, 0.5-1.1% of micronutrient and 5-8.8% of rare-earth element. By compositely adding the rhamnoilpid, 5A-hydroxylaxogenin, theobromine, nucleotide salt and tetraphenyl porphyrin magnesium salt, the nutrient composition has the function of promoting crop growth, can display the synergistic action and can promote the absorption of crops for nutrient elements, thereby ensuring the absorption of the plants for the fertilizer and promoting the growth of the plants.

The invention provides special water-soluble fertilizer for aeroponics of climbing plants. Every 100 parts of the nutritional fertilizer is prepared from the following effective components: 0.5-1 part of a surfactant, 0.3-0.5 parts of a growth regulator, 0.5-1 part of bacillus, 0.3-0.5 parts of gamma-PGA, 13-16 parts of N, 4-17 parts of P2O5, 19-30 parts of K2O, 0.5-1.5 parts of Ca, 0.4-0.8 parts of Mg, 0.13 parts of Fe, 0.05 parts of Mn, 0.05 parts of Zn, 0.05 parts of B, 0.01 parts of Cu and 0.001 parts of Mo. The invention further provides a preparation method of the water-soluble fertilizer. The method comprises the following steps: (1) raw materials comprising N, P2O5 and K2O are broken into powder and mixed, and a first mixture is obtained; (2) raw materials comprising Ca, Mg, Fe, Mn, Zn, B, Cu and Mo are broken into powder and mixed, and a second mixture is obtained; (3) the second mixture, the surfactant, the growth regulator, the bacillus and the gamma-PGA are mixed, and a third mixture is obtained; (4) the first mixture and the third mixture are mixed, and the water-soluble fertilizer is obtained. The production process is simple, and the production cycle is short.

The invention provides efficient calcium foliar fertilizer for treating apple bitter pit and a preparation method of the efficient calcium foliar fertilizer. The efficient calcium foliar fertilizer isprepared from raw materials in parts by weight as follows: 5-25 parts of oligosaccharide, 1-5 parts of amino acid, 30-45 parts of nutrition components, 2-8 parts of functional strengthening components and 35-50 parts of water. The efficient calcium foliar fertilizer has beneficial effects as follows: the calcium-boron content ratio of the selected nutrition components takes the calcium-boron content ratio (being 30-40:1) of apple leaves into full consideration, boron can promote conversion of organic acid and formation of carbohydrate in fruit trees while coordinating with absorption and transportation of calcium, and the current situation of increasing calcium content of fruits only by calcium supplement is changed; selected calcium transfer carriers such as oligosaccharide, amino acid and the like are low molecular weight organic matter capable of being directly absorbed by plants, and can promote growth of fruit trees synergistically; the selected functional strengthening components can prolong fruit attaching time of the foliar fertilizer on leaves and fruits of the fruit trees, improve penetrating quality of the foliar fertilizer and promote calcium absorption and can coordinate nutrient balance and promote fruit expansion and coloring.

The invention is suitable for the technical field of dispersing agents, and provides a preparation method of a hyper-branched water-based dispersing agent, a styrene-maleic anhydride copolymer and superfine inorganic powder are fused to prepare copolymer slurry, styrene has a benzene ring structure and has a good dispersing effect on phthalocyanine coating carriers, and the superfine inorganic powder has a good dispersing effect on the phthalocyanine coating carriers; meanwhile, the maleic anhydride is used as an anchoring group for dispersing a coating carrier with significant dispersion effect, so that the adhesion capacity and viscosity of the superfine inorganic powder are improved by utilizing the copolymerization reaction of maleic anhydride and the superfine inorganic powder; meanwhile, the modified nano titanium dioxide is added, so that the dispersity and weather resistance of the hyperbranched water-based dispersing agent are further improved, and the adhesion time of a water-based paint carrier and a wall body is greatly prolonged.

The invention relates to the field of cooking range infrastructures, in particular to an energy-saving cooking range. The energy-saving cooking range comprises a hearth, and more than three flame guide ribs circumferentially and uniformly distributed along an internal wall of the hearth, wherein the hearth is in a cylindrical or bowl-shaped structure; a gas distributing disk and an ignition part matched with the gas distributing disk for ignition are arranged at the bottom of the hearth; the energy-saving cooking range is provided with air inlets used for allowing air to enter in the hearth and / or in a position where the gas distributing disk is matched with the hearth; the flame guide ribs extend from the bottom of the hearth to the top of the hearth sequentially; and arrangement directions of the flame guide ribs are different from a generatrix direction of the hearth. According to the energy-saving cooking range, a flow-through route of a flame can be changed by an artificially designed flame path, so that a purpose of prolonging the attachment time of the flame on the internal wall of the hearth can be achieved; an effect of improving heat exchange is further exerted; the energy-saving cooking range is simple in structure and convenient to realize; and the low manufacturing cost and the low use cost of the energy-saving cooking range can be ensured effectively.

The invention discloses a low-foam type glufosinate ammonium auxiliary agent and a preparation technology thereof. The low-foam type glufosinate ammonium auxiliary agent is prepared from the followingsubstances in percentage by mass: 5 to 20 percent of fatty alcohol polyoxyethylene ether, 5 to 15 percent of coconut oil fatty acyl diethanol amine phosphate, 20 to 50 percent of methyl stearate polyoxyethylene ether, 1 to 20 percent of disodium cocoyl monoethanolamide sulfosuccinate DMSS, 1 to 5 percent of PEG (Polyethylene Glycol) and the balance of de-ionized water; reasonable ratios and a reasonable preparation method are adopted, and surfactants with different functional groups including carboxyl, an ether group and the like are compounded under the condition that an original function ofherbicide is not damaged, and are concatenated at the optimal ratio, so that each surfactant can play a role better under the action of other surfactants; the attachment time of glufosinate ammoniumon crops can be prolonged, and the low-foam type glufosinate ammonium auxiliary agent has good permeation, wetting, adhesion and emulsification capabilities, a strong rainwater washing resisting capability and the like.

The invention relates to a paint spraying and drying process. The paint spraying and drying process comprises the following steps: a) oil removal: removing oil stains on the surface of a black metal workpiece during production by using a tank leaching method; b) washing; c) rust removal: removing rust on the surface of steel or iron by using acid and the tank leaching method; d) washing; e) surface conditioning: performing surface treatment before phosphorization by using the tank leaching method; f) phosphorization: phosphorizing the surface of steel or iron by using zinc series phosphorizing solution and the tank leaching method; g) washing; h) drying; i) spraying. The paint spraying and drying process has the advantages that the spraying effect is better through the tank leaching method in all links and proportioning of all components, the paint is not apt to fall; since a special drying process is adopted, the adhering time is especially prolonged and the use cost of mechanical equipment is reduced.

The invention discloses a novel bubble spraying machine and a disinfecting method thereof. An air source is connected with a pressure stabilizing valve through a branch air outlet pipe, the branch air outlet pipe is connected with a gas-liquid mixing pump through a branch capacity regulation valve, a pressure gauge is mounted on a pressure gauge filter connected with a pneumatic diaphragm pump connecting pipe, the pneumatic diaphragm pump connecting pipe is connected with a pneumatic diaphragm pump through an air pipe buffering joint, a liquid inlet pipe and a liquid outlet pipe are arranged at two ends of the pneumatic diaphragm pump respectively, the liquid outlet pipe is connected with a spray gun, the spray gun comprises a spray gun rod and a spray nozzle, a spray gun valve is arranged on the spray gun rod, the internal angle of the spray nozzle is in the shape of a long curve and cuts through to an outlet, and the outlet of the spray nozzle is wedge-shaped. The novel bubble spraying machine has the advantages that the novel bubble spraying machine is good in bubble generation effect, high in adhesive force, long in action time, good in cleaning and disinfecting effect, uniform in bubble generation and large in sector; liquid medicine dosage can be reduced greatly, and disinfection cost is reduced; efficiency is improved, labor intensity of workers and labor cost are reduced, and morbidity of chickens is lowered.

The invention discloses a special selenium-rich foliage fertilizer for winter jujubes, and a preparation method and application method thereof. The fertilizer is composed of the following components in percentage by weight: 0.8-1.0% of sodium selenite, 5.0-10.0% of potassium pyrophosphate, 0.5-1.0% of sodium dodecyl benzene sulfonate, 1.0-2.0% of triton X-100, 1.0-2.0% of dodecyl betaine and 85.0-90.0% of water. By using the foliage fertilizer disclosed by the invention, the selenium content in the winter jujube fruit reaches 50-100 mu g / kg; no phenomenon of excessive selenium intake can be caused as long as the everyday intake amount does not exceed 2.5kg; and the selenium supplementation amount is in the proper range when the intake amount does not exceed 1.0kg. In daily life, the everyday intake amount of the winter jujubes for an adult generally does not exceed 1.0kg when the winter jujubes are used as fresh fruits. Therefore, the selenium-rich winter jujubes produced by the special selenium-rich foliage fertilizer are very safe to eat.

The invention discloses a special selenium-rich foliage fertilizer for winter jujubes, and a preparation method and application method thereof. The fertilizer is composed of the following components in percentage by weight: 0.8-1.0% of sodium selenite, 5.0-10.0% of potassium pyrophosphate, 0.5-1.0% of sodium dodecyl benzene sulfonate, 1.0-2.0% of triton X-100, 1.0-2.0% of dodecyl betaine and 85.0-90.0% of water. By using the foliage fertilizer disclosed by the invention, the selenium content in the winter jujube fruit reaches 50-100 mu g / kg; no phenomenon of excessive selenium intake can be caused as long as the everyday intake amount does not exceed 2.5kg; and the selenium supplementation amount is in the proper range when the intake amount does not exceed 1.0kg. In daily life, the everyday intake amount of the winter jujubes for an adult generally does not exceed 1.0kg when the winter jujubes are used as fresh fruits. Therefore, the selenium-rich winter jujubes produced by the special selenium-rich foliage fertilizer are very safe to eat.

The invention discloses a high-yield cultivation method for ficus carica in terraced fields. The high-yield cultivation method includes steps of S1, carrying out orchard establishment and soil preparation, to be more specific, selecting the paddy rice terraced fields in autumns and winters, carrying out soil preparation and orchard establishment, turning over soil, spraying customized traditionalChinese medicine sterilization liquid on the soil, forming ridges in the north-south directions, excavating furrows between the ridges and digging deep ditches at north ridges of the terraced fields;S2, constructing supports; S3, carrying out field planting on ficus carica seedlings and spraying customized traditional Chinese medicine sterilization liquid in field planting holes; S4, carrying outfield management, and to be more specific, spraying customized traditional Chinese medicine sterilization liquid by 2-3 times in ficus carica fruiting periods; S5, pruning branches for overwintering,to be more specific, reserving 3-6 branches in each ficus carica tree according to field planting branch heights of 5-10 cm after fruits are completely picked, pruning the redundant branches, spraying customized traditional Chinese medicine sterilization liquid once and bearing fruits by the aid of new branches in next years. The high-yield cultivation method has the advantages that overwinteringanthracnose and sphaceloma ampelinum pathogens in the paddy rice terraced fields can be effectively killed by the aid of the high-yield cultivation method, and accordingly the anthracnose and sphaceloma ampelinum incidence can be reduced; the paddy rice terraced fields can be reasonably utilized to carry out drainage irrigation and flood drainage waterlogging prevention on the ficus carica trees,accordingly, the yield of the fruits can be increased, and the quality of the fruits can be improved.

A film-type wall surface support, including a base, a fitting and a support, the support is connected to the base; the fitting has good air tightness and can be closely attached to a smooth wall The film is bonded to the base, and its surface extends outward beyond the edge of the base. It is characterized in that: the junction of the side of the base and the surface of the adhesive is a line from the edge of the base to the outer periphery of the adhesive. The transition surface extending in the direction; the support can easily and completely remove the air between the film and the wall with the help of the transition surface, leaving no air bubbles, while the metal layer prevents air from penetrating through the base and the film to enter the film Between the wall and the wall, avoid the shedding phenomenon caused by air infiltration after long-term placement. The film-sticking wall surface support of the present invention can be widely used in the walls of family bathrooms, kitchens, bedrooms, living rooms, refrigerator walls, and wardrobe walls. It is easy to stick, firm, and easy to replace.

The invention relates to the technical field of medical formulas, in particular to mouthwash for inhibiting the activity of dental plaque mycoderm. The mouthwash is prepared from the following raw materials in parts by weight: propolis alcohol extract, beta-cyclodextrin, tea polyphenol, peppermint essence, nano-silver particles, gold nano-rod adsorbate, vitamin D, malic acid, tartaric acid, sulfated polysaccharide, gelatin, a surfactant, dichlorobenzene biguanide hexane, radix sophorae flavescentis superfine powder and purified water. Aiming at the fact that the streptococcus mutans surface protein sample with the largest number in the dental plaque participates in adhesion to form a biological membrane, by interfering synthesis of streptococcus mutans cell membrane functional protein, permeation of medicine to the biological membrane is promoted, the drug resistance of thalli to dichlorobenzene biguanide hexane is reduced, and the activity of the dental plaque biological membrane is remarkably reduced.

The invention mainly relates to the technical field of cosmetics and discloses a natural nourishing peony lipstick. The natural nourishing peony lipstick is made from the following raw materials: beewax, peony extract, cheese, vitamin E, grape seed oil, saccharomycete freeze-dried powder, arbutin and valine. The natural nourishing peony lipstick is faint scent, has a moisturizing effect and simple and elegant color and luster and is environmentally friendly and healthy, is not likely to fade after application, can achieve long-time moisturizing and lip nourishing, and no poisonous chemical reagent is added. The cheese is thawed in a water-proof way, then the valine is added for modification, stirring is performed in the same direction, the hardness of the cheese is smaller, the attachmentproperty of the cheese is improved, the attachment time of the lipstick on the lip is prolonged, frequent make-up refining is avoided, ultrasound treatment is performed to more air bubbles in the cheese, grains and grain gaps of casein and fat globules are decreased, and the cheese is compact and smooth, so that the lipstick is stable in structure and does not deform. The grape seed oil and the arbutin are added after the bee wax is heated and thawed, the faint scent and moisturizing effects of the bee wax are improved, and chapping and shedding are avoided.

The invention discloses an environment-friendly special-effect multifunctional bactericide and a production method thereof. The production method comprises the following steps: adding raw materials except water into a mixer, slowly adding water, and stirring and mixing. The mixer comprises a supporting seat, a heating chassis, a lifting spring, a stirring tank and a stirring paddle. The environment-friendly special-effect multifunctional bactericide is prepared from the following raw materials in parts by weight: 15-18 parts of prochloraz, 1-2 parts of sodium chloride, 0.01-0.05 part of sodium polyacrylate, 1-3 parts of alkyl glycoside and 50-70 parts of water. According to the environment-friendly special-effect multifunctional bactericide and the production method thereof, the production method is stable in heating and mixing operation, simple in equipment structure and rapid and uniform in effective component dispersion, and the prepared bactericide liquid is stable in property, high in bactericidal activity, long in quality guarantee period, convenient to use and dilute, broad in bactericidal spectrum, long in bactericidal effect, environment-friendly and harmless.

The invention discloses a novel aluminum profile pasting machine. The novel aluminum profile pasting machine structurally comprises a clamping and wrapping mechanism, a conveying belt, a machine frame, an operating device, a frame plate, an adjusting rod and a rolling frame. The novel aluminum profile pasting machine has the beneficial effects that the clamping and wrapping mechanism is arranged on the structure, aluminum profile can be clamped and overturned by the aid of the clamping and wrapping mechanism, each surface of the aluminum profile is covered and wrapped by a film layer laid on the conveying belt, a traditional pasting attachment mode is changed, the phenomenon that a sealing edge of the aluminum profile pasting film is prone to being blown up and opened so that the whole film layer falls off can be effectively avoided, for the aluminum profile, the product-phase integrity of an aluminum profile product can be improved to the maximum extent through the film pasting mode performed by the mechanism on the aluminum profile, and the adhesion time of the aluminum profile surface coating is effectively prolonged.

The invention discloses an ecological rod body laying equipment and implementation method for green mine management. Six reinforcement nails are evenly arranged around, and each reinforcement nail is provided with a barb on the outside. The cooperation of the barb and the reinforcement nail makes the reinforcement assembly It can be stably interlaced with the ecological pole and fixed together, not easy to fall, ensuring the stability of the overall fixation of the ecological pole, and there are many staggered points, the ecological pole will not easily fall off from the long screw, making the ecological pole and the rock wall adhere for a long time It is long enough to allow enough time for the vegetation to grow. There are four fixing nails, which are arranged in a cross shape when viewed from above. It is convenient to further strengthen and fix the other loose parts of the iron wire, and the iron wire corresponding to this point is fixed, and the stable component is more stable, not easy to break, easy to operate, long in service life, and the ecological net is fixed for a long time, and it is easy to replace if it is partially damaged.

The invention belongs to the technical field of barren hill greening and ecological protection, and is a rock vegetation planting technology for barren hill greening and preventing water and soil loss. The core of the invention is the preparation of a barren hill rock greening material and its construction technology. The barren mountain rock greening material is a liquid-solid mixture at the initial stage of preparation, including adhesive, organic soil, foaming material, plant seeds and the like. Sprayed on barren mountain rocks or the outer walls of buildings, it can naturally foam at room temperature, and finally form an adhesive layer bonded to the rock, an organic soil layer, a porous foam skeleton and a plant community layer that fix the organic soil layer and plant seeds. This kind of material is non-polluting and can complete natural degradation within a certain period of time. The advantages of the present invention are: this barren mountain rock greening technology can realize the successful planting by spraying once, the construction process is simple, and there is no need for artificial post-maintenance. Moreover, the material is environmentally friendly, and it is firmly bonded to the surface of rocks or buildings, which can resist the impact of rainwater, retain water, fertilizer, and have strong air permeability.

The invention discloses an artificially cultured saussurea involucrata pesticide, which comprises following components in parts by weight: 16 to 24 parts of acetochlor missible oil, 2 to 4 parts of deltamethrin, 12 to 18 parts of imidacloprid, 4 to 8 parts of nitenpyram, 6 to 12 parts of thiamethoxam, 6 to 10 parts of menthol, 12 to 16 parts of missible oil, 6 to 8 parts of ammonium glyphosate, 4to 9 pats of triazophos, 5 to 10 parts of sodium bicarbonate, 3 to 6 parts of cosolvent, and 80 to 100 parts of deionized water. The pesticide can effectively kill pests of artificially cultured saussurea involucrate, guarantees the output, is mainly made of ester preparations, has a long adhesive time, can be easily decomposed, will not influence the value of saussurea involucrata, and better protects the environment.

The invention relates to the field of cooking range infrastructures, in particular to an energy-saving cooking range. The energy-saving cooking range comprises a hearth, and more than three flame guide ribs circumferentially and uniformly distributed along an internal wall of the hearth, wherein the hearth is in a cylindrical or bowl-shaped structure; a gas distributing disk and an ignition part matched with the gas distributing disk for ignition are arranged at the bottom of the hearth; the energy-saving cooking range is provided with air inlets used for allowing air to enter in the hearth and / or in a position where the gas distributing disk is matched with the hearth; the flame guide ribs extend from the bottom of the hearth to the top of the hearth sequentially; and arrangement directions of the flame guide ribs are different from a generatrix direction of the hearth. According to the energy-saving cooking range, a flow-through route of a flame can be changed by an artificially designed flame path, so that a purpose of prolonging the attachment time of the flame on the internal wall of the hearth can be achieved; an effect of improving heat exchange is further exerted; the energy-saving cooking range is simple in structure and convenient to realize; and the low manufacturing cost and the low use cost of the energy-saving cooking range can be ensured effectively.

The invention relates to a pH-sensitive baicalin ophthalmic in-body gel preparation, which comprises the following components (by weight): 0.05-10 parts of baicalin, 0.1-3 parts of pH-sensitive materials, 0.1-10 parts of Thickener, 0.1-10 parts of isotonic regulator, 0.001-3 parts of preservative and 80-100 parts of buffer solution with pH5-6.2. The present invention also relates to the preparation method of the pH-sensitive baicalin ophthalmic in-body gel preparation and its use in the preparation of medicines for preventing and / or treating conjunctivitis, keratitis or cataract.

The invention discloses a preparation method of exosome essence, and the method comprises the following steps of: S1, mixing glutamic acid, arginine, threonine, alanine, lysine, valine, ribonucleic acid and water, and performing uniform infiltrating for later use; S2, adding a small amount of disinfected water into hyaluronic acid for dilution for later use; S3, adding congealed fat into a water-phase pot, heating the water-phase pot to 90-120DEG C, and keeping the temperature for 20 minutes or above; S4, cooling the mixed solution in the water-phase pot to 20-25DEG C, and discharging part of water for later use; S5, adding glutamic acid, arginine, threonine, alanine, lysine, valine and ribonucleic acid into the water-phase pot, and performing stirring; wherein the stirring temperature is 20-40DEG C, and the stirring time is 50-80 minutes; S6, conducting standing for 15-30 hours; and S7, adding oligopeptide-3 and water discharged in the S4. After the essence is used, the attachment time of the exosome on the skin is prolonged, the efficiency of the exosome entering the body is improved, and the function of the exosome is better played.