3881results about How to "No residue" patented technology

The invention discloses a water soluble full-alloy metal grinding fluid which belongs to the technical field of metal grinding fluids. The metal grinding fluid is prepared from the following components in percentage by weight: 5-40wt% of an antirust agent, 1-20wt% of a cleaning agent, 0.1-10wt% of a lubricating corrosion inhibitor, 1-20wt% of a penetrant, 1-20wt% of a solubilizer, 10-40wt% of a PH adjustor, 0.5-5wt% of a defoamer and the balance of water. Based on the total weight of the water soluble full-alloy metal grinding fluid, the pH value of the water soluble full-alloy metal grinding fluid is 7-11. The lubricating corrosion inhibitor is long chain nitrogen heterocyclic ring organic ester. The water soluble full-alloy metal grinding fluid has excellent lubricating, rust-preventing, cleaning and cooling performances and can be widely applied to grinding of ferrous metals and nonferrous metals.

The invention discloses a layer feed containing a traditional Chinese medicine additive. The layer feed comprises the following components in parts by weight: 60-80 parts of corn powder, 8-10 parts of bran, 8-10 parts of bean pulp, 8-10 parts of fish meal, 8-10 parts of shell powder, and 2-12 parts of traditional Chinese medicine additive, wherein the traditional Chinese medicine additive comprises the crude drugs in parts by weight: 5-10 parts of dandelion, 3-5 parts of herba andrographitis, 3-5 parts of rhizoma atractylodis, 5-10 parts of honeysuckle, 5-10 parts of fructus cnidii, 10-15 parts of selfheal, 10-15 parts of baical skullcap root, 10-15 parts of astragalus root, 10-15 parts of Polygonum multiflorum Thunb, 5-10 parts of hawthorn, 0.5-1 part of lucid ganoderma, 10-15 parts of codonopsis pilosula, 10-15 parts of angelica sinensis, 5-10 parts of semen cuscutae, 5-8 parts of clove, 5-8 parts of pericarpium citri reticulatae, 5-8 parts of hawthorn and 5-8 parts of cinnamon. The immunoreactive substance can enhance the immune function of organism, improves the anti-stress ability and the disease resistance of the animal, improves the production performance of the animal, and simultaneously has the advantages of small toxic and side effects, no drug-resistance, no residue and the like; the survival rate of chicken is greatly improved; the lecithin content of the egg is obviously improved; the cholesterol content of the egg is reduced; and the nutritive value of the egg is improved.

The invention relates to the essential oil of tobaccos as well as a preparation method and application thereof to cigarettes. The essential oil of the tobaccos is prepared by the following method of: taking discarded/defective tobacco wastes, extracting by an organic solvent, taking the crude extract of the essential oil, introducing water vapor, condensing and separating oil and water so as to obtain the essential oil of the tobaccos. By adding the essential oil of the tobaccos, which is disclosed by the invention and is used as a flavoring agent, into the tobacco shreds of cigarettes, the self fragrance of the tobaccos can be increased, the quality of the fragrance of the cigarettes is enhanced, the excitation and the miscellaneous gas of the tobaccos are reduced, and smoke is softened. The essential oil of the tobaccos as well as the preparation method and the application thereof to the cigarettes have the advantages that the advantage of higher extracting yield of a solvent extracting method and the characteristic of refinement of a water-vapor distillation extracting method are combined, the yield of the essential oil of the tobaccos is obviously higher than that of a traditional water-vapor distillation method, and extracting equipment and a solvent are simple and convenient and are easy to obtain; and moreover, no solvent residue exists in a final product of the essential oil of the tobaccos, and the safety of the product is high.

The invention discloses an ultrasonic-assisted tea oil extraction method using subcritical CO2, comprising the steps as follows: (1) taking dry tea seed, hulling, crushing, and placing in an extraction kettle; (2) injecting the subcritical CO2 into the extraction kettle to mix with the tea seed; (3) extracting the raw material for 0.5-5 hours; (4) decompressing and evaporating so as to completelygasify the subcritical CO2 liquid, wherein the temperature in evaporation process is controlled at 30-70 DEG C, and finally discharging the extracted tea oil from the bottom of a separation kettle. The method has the advantages that (1), the advantages of the subcritical CO2 extraction technology and the ultrasonic extraction technology are sufficiently utilized to shorten the extraction time andimprove the extraction yield; (2), the work pressure is low, and the natural activity of heat-sensitive material cannot be influenced since the extraction temperature is less than 30 DEG C, and the nutritional value and quality of the tea oil are improved; (3), the device cost is low, the refining process is less, the tea oil loss is less and the product oil yield is high; (4) a natural green food is obtained since the CO2 solve is residue-free.

A kitchen sink with a dish-washing apparatus incorporated therein, which enables alternative use of a dish-washing function according to necessities, which can be designed simply, inexpensively, and conveniently for use, and which can increase space utilization, comprises a cover for covering an upper portion of a sink basin so as not for water to be splashed outwardly when dishes are arranged on a floor of the sink basin by means of a grill and are washed, a water supply pump for supplying pressurized washing-water, and a washing-water spray means installed at a lower surface of the cover, the floor of the sink basin or a side wall of the sink basin for spraying into the sink basin the washing-water supplied by the water supply pump so as to wash the dishes.

The invention relates to an acellular biological patch, a preparation method and an apparatus thereof. In the invention, small intestines of pigs are taken as raw materials, which are subjected to a series of decellularization treatment by means of an acid, hydrogen peroxide, a mixed solution of high salt and alkali so as to obtain the acellular biological patch. According to the preparation method, after treatment by the hydrogen peroxide, the mixed solution of high salt and alkali can be employed to conduct twice recycling treatment, thus reaching the effects of thorough decellularization and antigen removal. The employment of a transverse and longitudinal alternating laying way maintains uniformity of the patch's mechanical properties, the tensile strength, suture tear force, tear strength and other mechanical indexes can well meet clinical demands, thus facilitating surgical suture operation. The employed drying mode has no need of any adhesive and suture line for fixation, so that a natural three-dimensional support structure of the product is maintained, and after implantation into the human body, no strong inflammatory response and immunological rejection response can occur. The patch has no toxicity on cells, so that infection and adhesion cannot occur in a repair process. The acellular biological patch provided in the invention is suitable for repair of body tissue defects and soft tissue injuries, and also can be used in the bioengineering field to serve as the tissue for reinforcing repair of membranous defects and infected wounds and serve as a biological scaffold material, etc.

The invention discloses a nutritional health food with the function of improving gastrointestinal function and a preparation method thereof. The nutritional health food can be used for regulating the intestinal flora to improve the gastrointestinal function from the aspects of increasing the probiotics type and quantity, increasing the probiotics nutrient substance, inhibiting the growth of harmful bacteria and enhancing the immunity of human body. According to the preparation method, probiotics powder such as lactobacillus plantarum is used as the main raw material, and edible fungi extracts and modified dietary fibers are scientifically compounded; saussurea involucrata culture extracts which are capable of remarkably enhancing the immunity of human body, resisting inflammatory and easing pain, and have the functions of oxidation resistance, radiation resistance and fatigue resistance are used, so that while the intestinal probiotics flora types is increased, the fix planting capacity of the endogenous probiotics and exogenous probiotics in the intestinal tracts of human body is remarkably enhanced, and fix planting time of the endogenous probiotics and exogenous probiotics in the intestinal tracts of human body is prolonged remarkably, the growth and reproduction of the harmful bacteria, particularly the Gram negative bacteria, in the intestinal tracts are effectively inhibited, the forming of the probiotic floras in the intestinal tracts is fully regulated and the nutritional health food which is good in probiotic property, capable of remarkably enhancing the immunity of human body and has the effect of improving the gastrointestinal function is prepared.

The present invention relates to a medium-and-high-activity, low-solid-content halideless water-based type wash-free soldering flux which is applicable to the spraying process, the foaming process and the dipping process. The soldering flux is composed of the following weight proportions of substances: 1 percent to 4 percent of promoting agent, 0.5 percent to 1.5 percent of filmerformer, 20 percent to 40 percent of latent solvent, 0.1 percent to 2 percent of wetting agent and 0.01 percent to 0.1 percent of corrosion inhibitor, and the rest is deionized water. The soldering flux of the present invention does not contain halogen and colophony; soldering material can have good spreadability; a PCB board can have good solder permeability; soldering spots are plump and shiny; the surface of the soldered PCB board has no visible residues and is not eroded, and the surface insulation resistance is high; under the normal temperature, the soldering flux does not absorb moisture and cannot be decomposed, and a washing process can be omitted. Since the deionized water is used as solvent, the soldering flux does not contain any volatile organic substance, so the soldering flux cannot be ignited and does not explode, and therefore the soldering flux is environment-friendly. The soldering flux is applicable to the wave-soldering or dip-soldering production line of various printed boards in the fields of communication, aviation, computers, etc.

The invention relates to an oral capsule preparation of oxiracetam and a preparation method thereof. The oxiracetam capsule contains 80.0-85.5% by weight of oxiracetam, 9.7-15.2% by weight of xylitol and 4.8% by weight of an emollient, wherein the oxiracetam is in a crystal form. The oxiracetam in the crystal form is a good crystal with excellent mobility. Compared with the crystal form provided in the prior art, the oxiracetam in the crystal form has higher purity, less impurity, better quality stabilizer and better crystal form stability. The quality stability of the disclosed oxiracetam capsule is improved remarkably, the preparation process is simple, and the production cost is lowered.

The invention relates to a seed dressing agent and a preparation method thereof. The seed dressing agent is prepared by the following raw materials in parts by weight: 1-15 parts of stellera chamaejasme L, 5-10 parts of hop, 25-30 parts of pepper, 25-30 parts of ginkgo biloba sarcotesta, 26-30 parts of fructus cnidii, 17-30 parts of azedarach and the like. The seed dressing agent provided by the invention can be used for treating soil in front of seedlings after planting and preventing and removing farmland weeds and has broad spectrum sterilization property. Compared with the prior art, the seed dressing agent is good in weeding effect, safe to environment and unlikely to generate weed insecticide resistance and the like, thereby having an extensive application prospect.

The invention discloses a liquorice vegetable drink for improving a gastrointestinal function and enhancing the immunity and a preparation method of the liquorice vegetable drink. Herb of liquorice is used as a main raw material; liquorice concentrated juice, an edible mushroom extract, wolfberry fruit concentrated juice, modified dietary fibers, a corn bee pollen extract, pectin hydrolyzate and the like are scientifically compounded; the raw materials are treated by adopting a modern low-temperature and biological extraction technology, so that the content of effective components of the raw materials is greatly increased; various functional components are organically mixed, so that the optimal synergistic effect is achieved; meanwhile, by adoption of methods for thermal hybrid concentration of unstable concentrated liquid, jointed removal of cold and heat, sterile filtration, and the like, the flavor of the liquorice vegetable drink is greatly enhanced, and the expiration date of a product is prolonged; the liquorice vegetable drink with the effects of improving the gastrointestinal function and enhancing the whole immunity of a human body is prepared.

The invention provides a sustained-release composite microbial fertilizer and a preparation method thereof. The fertilizer comprises a fertilizer core and an envelope wrapping the fertilizer core, wherein the fertilizer core contains polyacrylamide, epsilon-polylysine, ascorbic acid, EDTA (ethylene diamine tetraacetic acid), a composite microbial agent and the balance being organic filler. The fertilizer is stable and efficient, and can be easily absorbed and utilized by crops, and damage and pollution to soil can be effectively avoided.

This invention relates to water disposal facility and means of integrated ozone and aerating biological filter. This aerating biological filter(9) is above ozone catalysis chamber(8), connects with ozone catalysis chamber(8) through the filter plate of biological filter(9); ozone catalysis chamber joints with Venturi tube(5), Venturi tube(5) respectively joints with ozone occurring system(6) and influent water pump(1); ozone occurring system(6) is a ozonizer that by silent discharge method translate oxygen of air into ozone. The water after pretreatment by ozone passes the filter plate of the aeration biological filter pool at the top of the ozone reaction chamber to enter the biological filter pool uniformly and stay for about 1 to 4 hours. This invention can advance aerating efficiency without fixing aerating system, and the flow between aerating biological filter and ozonization buffer pool cell is equilibrium, possess merits of high efficiency, low cost and so on.

The invention discloses an extracting method for jasmine flower essential oil. The extracting method comprises the steps of extracting by petroleum ether or n-pentane to prepare jasmine flower extract, dissolving by alcohol and freezing to remove plant wax impurities, distilling to recycle a solvent alcohol, washing and removing the alcohol to prepare crude jasmine flower essential oil; further separating the crude jasmine flower essential oil by supercritical CO2 extraction to remove residual solvent to prepare the jasmine flower essential oil with pure flavor. According to the extracting method, supercritical CO2 extraction is carried out on treated jasmine flower extract, so that advantages of low cost and great treatment capacity for extracting fresh jasmine flowers by the solvent and the advantages of high efficiency and no solvent residue of supercritical CO2 extracting and separating are sufficiently combined to realize small solvent residual quantity and low cost, and therefore, the extracting method disclosed by the invention is suitable for producing the jasmine flower essential oil on a large scale.

The invention relates to a method for preparing polymer polyol with high solid content and low viscosity. The method adopts an intermittent method or a continuous method, and uses a basic polyether polyol as a continuous phase to perform in situ polymerization on a vinyl monomer, polyether polyol, a dispersing agent, and a chain transfer agent under the action of a free radical initiator to produce the polymer polyol with high solid content and low viscosity; or the method uses a certain amount of the polymer polyol with target solid content as a substrate material, mixes the raw materials such as the basic polyether polyol, the free radical initiator, the vinyl monomer, the dispersing agent, and the chain transfer agent evenly according to certain mixture ratio, and adds the mixture to the substrate material continuously to be polymerized so as to obtain the polymer polyol with high solid content and low viscosity. The polymer polyol produced by the method has the advantages of low viscosity, stable dispersion of solid particles, small average particle size of the solid particles, and even particle size. The polymer polyol improves the physical mechanical properties of products applying the polymer polyol, and has wide application range.

The invention discloses a health food capable of improving intestinal floras and a preparation method of the health food. The intestinal floras are adjusted on a plurality of aspects of increasing the probiotics variety and quantity, adding probiotic nutrient substances, inhibiting the harmful bacterial growth and increasing the human immunity, so that the gastrointestinal functions are improved. With probiotic powder such as lactobacillus plantarum as a main raw material, an edible mushroom extract is scientifically compounded, and dietary fibers are modified, so that the human immunity can be significantly improved; a saussurea involucrate culture extract has the efficacies of resisting inflammation, relieving pain, and resisting oxidation, radiation and fatigue; the variety of the intestinal beneficial bacteria floras is increased; the field planting capacity of endogenous and exogenous probiotics in human intestinal tracts is significantly enhanced and the field planting time of endogenous and exogenous probiotics in human intestinal tracts is significantly prolonged; the growth and the reproduction of intestinal harmful bacteria, especially gram negative bacteria, are effectively inhibited; the components of the intestinal beneficial bacteria floras are fully adjusted; and the health food which is high in probiotic property, and is capable of significantly improving the human immunity and improving the intestinal floras is prepared.

The invention relates to lycium ruthenicum tablets and a production method thereof. The lycium ruthenicum tablets are prepared by taking lycium ruthenicum as a raw material, selecting, washing, extracting, centrifuging for separation, performing membrane concentration, performing vacuum concentration, weighing, drying, grinding, mixing, pelletizing, drying, straightening and tabletting. The purpose of the invention is to solve the problems of high procyanidine loss and high organic solvent residue content when the lycium ruthenicum tablets are produced by a traditional method. The production method is simple and low in cost, the extraction rate of procyanidine reaches more than 92%, and the prepared lycium ruthenicum tablets are convenient to carry, high in added value and free from organic solvent residues.

The invention provides a gradient biocompatible polymer foaming material with an opening structure, and the gradient biocompatible polymer foaming material comprises at least two biocompatible polymers, wherein the content of the biocompatible polymer in the foaming material as well as the cell size and aperture ratio of the foaming material change in gradient along the thickness direction of a flat shaped foaming material or the radial direction of a cylindrical foaming material. The preparation method of the gradient biocompatible polymer foaming material with the opening structure comprises the following steps of: preparing a gradient parison and foaming the gradient parison.

The invention relates to an L-2-reanal biological preparation method, which includes: utilizing L-threonine as raw materials, stirring the L-threonine in water at the temperature of 15-50 DEG C under the catalytic action of L-threonine deaminase and whole cells with a leucine dehydogenase and coenzyme regenerating function, and obtaining L-2-reanal after reaction. In the L-2-reanal biological preparation method, water is used for substituting for buffer salt solution to form a water-phase reaction system, cost of raw materials is reduced, threonine deaminase and whole cells used for catalyzing can be produced in batch by fermentation of microorganisms, are low in cost and wide in sources. Biological enzymatic catalysis reaction is water-phase reaction, transformation conditions of the enzymic method are mild, raw materials are transformed thoroughly, post-treatment is simple, products are separated by isoelectric point crystallization technology and film evaporation separation technology jointly, and the L-2-reanal biological preparation method is capable of recovering water and ammonium formate is low in cost, free of discharge of waste water and waste residues, environment-friendly in process and applicable to industrialized production of the L-2-reanal.

The present invention discloses one kind of urea-formaldehyde foam as plant cultivating matrix and its preparation process. The urea-formaldehyde foam as plant cultivating matrix is prepared through the following steps: 1. mixing formaldehyde and urea to produce polycondensation reaction to obtain urea-formaldehyde resin solution; 2. mixing sodium butyl naphthalenesulfonate to obtain foaming liquid; 3. foaming the urea-formaldehyde resin solution with the foaming liquid in a foaming machine to obtain liquid foam; 4. solidifying the liquid foam and drying to operate foamed matrix; and 5. eliminating aldehyde group from the matrix to obtain urea-formaldehyde foam as plant cultivating matrix. The preparation process is simple and low in cost, and the prepared urea-formaldehyde foam as plant cultivating matrix has penetrating porous structure, high hydroscopicity and high soil-less culturing character.

A process for extracting soybean protein includes such steps as grinding with water, lixiviation, acidity settlement, separation, press filter, special dispensing and airflow drying. Its advantages are low cost, and high productivity, quality and viscosity of product.

The invention relates to a Chinese herbal medicine feed additive for enhancing chicken immunity, a preparation method and a feed. The additive includes ingredients of, by weight, 30-90 parts of radix astragali, 30-90 parts of radix codonopsis, 30-90 parts of Chinese yam, 30-90 parts of poria cocos, 30-90 parts of coix seeds, 15-45 parts of fried lotus seed, 10-30 parts of bighead atractylodes rhizome, 10-30 parts of rhizoma atractylodis, 10-30 parts of dried orange peel, 15-45 parts of epimedium, 30-90 parts of stir-baked medicated leaven, 30-90 parts of stir-baked malt, 10-30 parts of betel nut, 10-30 parts of rhizome of cyrtomium and 10-30 parts of licorice. According to a compatibility principle of traditional Chinese medicine and a modern pharmacological research, the invention uses amedicament comprised of natural Chinese herbal medicines as an additive to feed chickens, so as to enhance chicken immunity, reduce infectious diseases, pathogenic microorganisms and parasitic diseases; besides, the additive has no antibiotic residuals, so as to enhance chicken and egg quality.

The invention relates to a method for extracting cannabidiol from industrial hemp. The method includes crushing and drying one or more of flowers, leaves and hemp seed bran of industrial hemp, as rawmaterials, to obtain a crushed raw material the water content of which is not more than 5%; subjecting the crushed raw material to supercritical carbon dioxide extraction to obtain cannabidiol preliminary extract; performing molecular distillation after the cannabidiol preliminary extract is heated to obtain a cannabidiol-enriched product; and subjecting the cannabidiol-enriched product to supercritical fluid chromatography for separation and purification to obtain cannabidiol free of tetrahydrocannabinol and having purity higher than 99%, with macroporous resin or MCI resin or C18 silica gelbeing adopted as a stationary phase, supercritical carbon dioxide being adopted as a mobile phase, and ethanol being adopted as an entrainer. The method is simple in process and easy to operate, and solves problems that cannabidiol extracted by solution leaching methods in the prior art is low in purity, that psychotoxic component tetrahydrocannabinol is left, that a large amount of organic solvents are consumed and that environment is polluted.