179results about How to "Prevent deliquescence" patented technology

The invention relates to a preparation method of an animal feed additive microencapsulation diolame sodium butyrate. The method comprises the following steps of: mixing hydroxypropyl methyl cellulose, chitosan and silica, boiling at high temperature of 230DEG C in a fluidized bed; spraying sodium butyrate aqueous solution on a mixture of three materials; drying at a high temperature, solidifying at a low temperature, solidifying and molding sodium butyrate particles; dissolving a coated material Brazil palm wax, palm oil and polyethylene glycol into an organic solvent, carrying out bottom-spraying and coating in a fluidized bed to obtain the evenly-coated sodium butyrate particles of which the mass percent of the sodium butyrate is 30-70%. The microencapsulation process is carried out on feed grade sodium butyrate power to avoid the loss of sodium butyrate in poultry crop and pig stomach, so as to reach the rear section of small intestine and cover the whole intestinal tract, meanwhile, overcomes foul smell, prevents air slaking, and protects sodium butyrate from losing in the process of feed processing.

The invention discloses a method for continuously preparing an Si-B-N-O fiber by using a PCS fiber, which comprises the following steps of: after air curing treatment is carried out on the PCS fiber, firstly carrying out nitrogen treatment on a PCS curing fiber and then carrying out boronization treatment or firstly carrying out the boronization treatment and then carrying out the nitrogen treatment; then sintering the PCS curing fiber after the nitrogen treatment and the boronization treatment under the high temperature condition of 1200-1400 DEG C under the protection of high-purity N2 gas or argon atmosphere to prepare the Si-B-N-O fiber. Compared with an Si-N-O fiber, the prepared Si-B-N-O fiber has better temperature resistance, lower dielectric performance and simpler preparation process and is easy to realize industrialized batch preparation.

The invention provides a slurry for preparation of a glass fluorescent layer used for LED encapsulation. The slurry comprises glass powder with a low melting point, fluorescent powder and slurry additives. Low-melting-point glass has a softening temperature in a range of 630 to 700 DEG C. Through preparation of solution systems consisting of the glass powder with a low melting point, the fluorescent powder and other additives with different content, slurries with viscosity and luminescent properties meeting different coating processes and luminescence requirements can be obtained after ball milling of the solution systems. Through adjusting composition of the slurry for a glass fluorescent layer provided in the invention and glass, coating slurry with a the thermal expansion coefficient matching with a substrate can be prepared and can be printed onto the surface of substrates like glass and ceramics, and a glass fluorescent layer can be obtained after sintering of the printed substrates; the prepared glass fluorescent layer can be used to replace a silica gel or integral glass type white light LED fluorescent layer and enables the problems of easy aging and air-slaking of silica gel, high cost and complex preparation of the integral glass type white light LED fluorescent layer and the like to be overcome; the preparation process for the glass fluorescent layer prepared in the invention costs little, and the prepared glass fluorescent layer has good luminous performance and is applicable to the fields like packaging application of LEDs.

The invention discloses a bio-enzyme degerming and cleaning effervescent tablet for clothes. The bio-enzyme degerming and cleaning effervescent tablet for the clothes is prepared from the following components in percentage by weight: 20 percent to 55 percent of alkaline effervescing agent, 15 percent to 40 percent of surface active agent, 10 percent to 30 percent of acid effervescing agent, 2 percent to 10 percent of adhesion agent, 1 percent to 5 percent of complex enzyme preparation, 0.5 percent to 3 percent of decolorizer, 0.5 percent to 5 percent of disintegrating agent, and 0.5 percent to 2.5 percent of enzyme stabilizer. The bio-enzyme degerming and cleaning effervescent tablet for the clothes is good in cleaning effect, fast in effervescence time and intense in sense effect; when being used for cleaning the clothes, the components of the bio-enzyme degerming and cleaning effervescent tablet for the clothes are synergized, and especially the enzyme preparation, the surface active agent and various additives are synergized, so that various stubborn stains in the clothes can be quickly removed, the surface active agent has no residue after cleaning, and the bio-enzyme degerming and cleaning effervescent tablet for the clothes is healthy and safe.

The invention relates to an amorphophallus glucomannan drying agent which consists of amorphophallus glucomannan, propenoic acid, sodium hydroxide, ethanol, hydrochloric acid, potassium persulfate, N,N-methylene-bisacrylamide, calcium chloride and water. The preparation method of the drying agent comprises the steps of: preparing deacetylation amorphophallus glucomannan and deacetylation amorphophallus glucomannan-propenoic acid copolymer; mixing the deacetylation amorphophallus glucomannan and the deacetylation amorphophallus glucomannan-propenoic acid copolymer according to a proportion; andcrushing and pelleting after expansion. The drying agent has the advantages of reasonable formula, low cost, strong water absorption, safety, no toxicity, no harm to skin and eyes, biodegradability and the like, and can be widely applied to the fields such as food, medicine, chemical industry and the like.

The present invention intends to provide an agent and a method for removing harmful gas, which exhibits high harm-removing ability per unit volume for harmful halogen-containing gas contained in the exhaust gas from the etching or cleaning step in the manufacturing process of a semiconductor device, and which is inexpensive. The invention is characterized by that halogen-containing gas is removed using a harm-removing agent comprising a specific iron oxide, an alkaline earth metal compound and activated carbon in the specific amount. In the case where the exhaust gas contains halogen gas such as chlorine or a gas such as sulfur dioxide, the gas is rendered harmless by using in combination a harm-removing agent comprising activated carbon or zeolite.

The present invention relates to a kind of high-efficiency composite chemical fertilizer and its preparation, belongs to the field of fertilizer mixture and aims at solving the problems of chemical fertilizer, which is easy to deliquesce, harden and decompose and has fertilizer effect to be raised. The composite chemical fertilizer consists of a core of inorganic chemical fertilizer grain and a coating of BAFA biochemical fulvia acid. The protective coating can prevent chemical fertilizer from deliquescing, hardening and decomposing and the biochemical fulvia acid can stimulate the growth of plant root system and raise the fertilizer effect of inorganic chemical fertilizer by 3-20%.

The invention provides a micro colloid particle fertilizer and application thereof. The micro colloid particle fertilizer is characterized by being prepared through the following steps: spraying a dispersion liquid to the surface of completely suspended micro chemical fertilizer raw material particles, quickly performing spray-drying, and finally blending colloid-coated fertilizer particles different in nutrients according to the needs. The fertilizer is dispersed in water to form a dispersion rather than a non-completely dissolved solution; even the micro particles of a slight soluble or insoluble chemical fertilizer after being coated can be evenly dispersed in water. Furthermore, the micro colloid particle fertilizer, as a water-soluble fertilizer, is applied to a drop irrigation fertilizer, a spray irrigation fertilizer, a flushing fertilizer and a leaf fertilizer, or applied to preparing a high-concentration liquid fertilizer; the micro colloid particle fertilizer is capable of taking the place of the existing water-soluble fertilizers and dissolved in water to form a colloid dispersion; the colloid-coated chemical fertilizer particles are transportable in soil so that the absorbing ability of plants to nutrients can be enhanced. The micro colloid particle fertilizer belongs to a new generation water-fertilizer integrated water-soluble fertilizer.

The invention discloses a light conversion film which is characterized by comprising a film base body, a red light conversion agent and a first addition agent, wherein the weight of the red light conversion agent is 0.1-10% of the weight of the film; the weight of the first addition agent is 0.1%-10% of the weight of the film; the balance is the film base body; and a composition general formula of the red light conversion agent is Cal-xMxS:TM, wherein the x is less than 1 and is larger than or equal to 0, the M is one kind or more kinds of Mg, Ba, Sr, Zn, Cd, and Hg, and the TM is one kind or more kinds of Sm, Ce, Y, Gd, La, Pr, Eu, Cu, and Mn. The light conversion agent is mixed into a film especially an agricultural film, the film has light conversion effects, and application of the light conversion agent is convenient. The light conversion film is good in spectral matching with plant photosynthesis. A planting method that the light conversion film is used and meanwhile carbon dioxide is added is used, great effects on plant production and quality increase are achieved, diseases, pests, chemical pesticides do not exist, quality is good, the yield and others are increased, effects are remarkable, high economic value is provided, and a large-scale popularization prospect is achieved.

The invention belongs to the field of modified phenolic resin, specifically relates to a boron/cardanol/nano-material modified phenolic resin material and a preparation method therefor. The boron/cardanol/nano-material modified phenolic resin material is prepared by using the following method: (1) implementing refluxing and water separation reaction on cardanol, a catalyst, borate and a water-taking reagent at 100-130 DEG C for 0.5-5 hours, then adding phenol in portions and continuing the reaction for 1-5 hours; raising the temperature to 130-150 DEG C, and distilling part of the water-taking reagent; and (2) adding paraformaldehyde, a nano-material and the catalyst into a reactant obtained in step (1), implementing refluxing and water separation reaction at 100-130 DEG C for 1-5 hours, raising the temperature to 140 DEG.C, distilling the remaining water-taking reagent, discharging the product to obtain the boron/cardanol/nano-material modified phenolic resin material. The boron/cardanol/nano-material modified phenolic resin material has excellent thermal stability, mechanical properties and friction properties, and can be applied to the field of friction materials.

The invention provides a degreasing agent for cleaning roll hardened coils and preparation and application methods thereof, belonging to the metallic material surface cleaning technical field, wherein the components of the degreasing agent by weight portion are; 15 to 40 portions of soda, 3 to 6 portions of sodium lignosulfonate, 3 to 6 portions of sodium tripolyhosphate, 2 to 6 portions of self-defoaming emulsifier, 2 to 4 portions of emulsifier, 2 to 4 portions of surface active agent and 40 to 70 portions of flake caustic soda . The invention has the advantages that materials which compose of the degreasing agent are to access, non-toxic, noninflammable and low in price; the sodium tripolyhosphate, which is contained in the materials, absorbs water, forming the hexahydrate (Na5P3O10.6H2O) which has the dry characteristics, thereby avoiding the product from the deliquescence, the caking and the effect reduction when the degreasing agent is stored; the preparation method is quite suitable for companies to self prepare, thereby meeting the requirements of instant preparation and timely use; the application method of the degreasing agent has the advantages of environment protection, convenient use and low cost.

The invention relates to an instant health food which is characterized in that adopted ingredients and percentage ratios thereof are as follows: 60-94 percent of two or three of sweet potatoes, yams and medicinal plants, 5-30 percent of one or two of gums and maltodextrins, 0.4-10 percent of a mixture that is formed by one or two or more than two of gelatin, agar, pectin and carrageenin and 0-30 percent of a mixture that is formed by one or two or more than two of starch syrup, barley maltsyrup, invert syrup, high fructose syrup and glucose syrup. The preparation method of the instant health food comprises the following steps: cleaning the medicinal plants, burdening, mixing, heating and curing, molding, drying, etc. The invention has simple preparation method, and the prepared instant health food has moderate chewiness, different tastes, various flavors and good palatability, is not sticky and is suitable for people of all ages, thus being a leisure and health food with rich nutrition.

A waterless abrasive-free polishing solution for chemical-mechanical polishing of flexible, crisp and deliquescent crystals is characterized in that the solution comprises 0.5-40% of an organic corrosion agent, 0.5-20% of an organic corrosion inhibitor, 0.5-15% of an organic surfactant, 0.01-10% of an organic pH adjustment agent, and 30-95% of an organic solvent. The waterless abrasive-free polishing solution contains no water, so a problem of easy deliquescent cracking of the flexible, crisp and deliquescent crystals when meeting water is avoided. Simultaneously the waterless abrasive-free polishing solution which contains no abrasives has small damages to surfaces of the flexible, crisp and deliquescent crystals, allows the flexible, crisp and deliquescent crystals can have nondestructive and super-smooth surfaces to be obtained, does not precipitate, and can be preserved and used for a long time. The waterless abrasive-free polishing solution has the advantages of good stability, good fluidity, easy cleaning, and small corrosion to equipment. The waterless abrasive-free polishing solution prepared in the invention is specially used for the chemical-mechanical polishing of the flexible, crisp and deliquescent crystals, has the advantages of no water and no abrasives, and allows flexible, crisp and deliquescent materials to have high surface qualities, and the high surface quality obtaining method is simple, is easy to implement, and costs low.

The invention relates to an underground coal mine supporting method, particularly relates to a roadway surrounding rock concrete wet-spraying method, and in particular relates to a poor-quality surrounding rock concrete wet-spraying method. The poor-quality surrounding rock concrete wet-spraying method comprises the following steps: respectively sieving stones and sand with a dedicated standard stone sieve and a dedicated standard sand sieve, then mixing cement, stones and sand through a batching machine according to the mass ratio of 1:(1.5-3):(1.5-3); conveying the batched mixed materials to an agitator; adding water in the agitator according to the water-cement ratio of (0.4-0.5):1, agitating to obtain concrete, adding a water reducing agent and a hydrated agent into the concrete, wherein the addition amount of the water reducing agent is 0.8%-1wt% of the cement, and the addition amount of the hydrated agent is 0.3%-2.0wt% of the cement; transporting the concrete to a wet spraying machine, arranged underground, through an anti-explosion tank car; adding an alkali-free liquid-state accelerator into the to-be-sprayed concrete at the spray nozzle of the wet spraying machine by a peristaltic pump through a regulating valve, wherein the addition amount of the alkali-free liquid-state accelerator is 1%-3wt% of the cement, and the concrete is sprayed out from the spray nozzle of the wet spraying machine. According to the poor-quality surrounding rock concrete wet-spraying method, the problem that the supporting effect of the surrounding rock, especially poor-quality surrounding rock is poor by adopting concrete dry spraying can be solved.

The invention provides a compound microbial fertilizer for reducing underground root-knot nematodes and a method for preparing the compound microbial fertilizer, and relates to the field of agricultural fertilizers. The compound microbial fertilizer for reducing the underground root-knot nematodes comprises organic fertilizers, inorganic fertilizers, microbial preparations and adhesive agents. The compound microbial fertilizer for reducing the underground root-knot nematodes and the method have the advantages that physical structures of soil can be regulated by inorganic nitrogen, phosphorus and potassium materials, animal manure and organic matters of humic acid, and abundant nutrition such as carbon sources, nitrogen sources and phosphorus sources can be provided for microorganisms in the soil; the purposes of killing underground pests and inhibiting diseases can be achieved by the compound microbial preparations, high-quality nutrition and biological stimulin can be provided for the microorganisms in the soil and crops, and accordingly the compound microbial fertilizer and the method are favorable for growth of plants.

The invention discloses a bio-enzyme degerming cleaning effervescent tablet for a feeding bottle, and a preparation method and application thereof. The bio-enzyme degerming cleaning effervescent tablet comprises 32 to 55% of an alkaline effervescing agent, 5 to 16% of a surfactant, 20 to 44% of an acidic effervescing agent, 2 to 10% of a binder, 2 to 6% of composite bio-enzyme, 1 to 5% of a disintegrating agent and 0.5 to 2.5% of an enzyme stabilizing agent. The bio-enzyme degerming cleaning effervescent tablet for the feeding bottle in the invention has good cleaning effect, is fast in effervescing action and presents strong and hot sensory effect; moreover, the effervescent tablet is convenient to carry and store and free of irritation and corrosivity; when the effervescent tablet is applied to cleaning of the feeding bottle, the composite bio-enzyme and the surfactant produce synergism, so the effervescent tablet can rapidly remove residual milk stains and microbes like bacteria and pathogenic bacteria on the feeding bottle and a nipple thereof and has the characteristics of fast permeation speed and easiness in decomposition, and no residual surfactant is left after cleaning; and the effervescent tablet is free of any toxic and side effect, non-irritant, healthy and safe.

The invention provides a crystal form of a penehyclidine hydrochloride racemic mixture I. In a powder X-ray diffraction pattern of the crystal form, characteristic peaks are achieved when a diffraction angle 2 theta is within the ranges of 9.46-9.86 degrees, 16.39-16.79 degrees, 18.82-19.22 degrees and 19.13-19.53 degrees. The invention further provides a preparation method for the crystal form. According to the invention, the prepared crystal form of the penehyclidine hydrochloride racemic mixture I can obviously reduce the hygroscopicity of the compound, avoids deliquescence, deformation, mildewing or degradation of the compound, which are caused by the fact that water is absorbed by the compound, provides convenience for storage and transportation of the compound, and provides a basis for improvement on the drug stability.

The invention discloses an instant micelle water-soluble fertilizer and a preparation method thereof. The preparation method comprises the following steps: coating the surfaces of chemical fertilizer raw materials of nitrogen, phosphorus and potassium nutritional ingredients with a protecting agent through micronization respectively to form stable micelles, and compounding the micelles in any proportion according to the needs of the nutritional ingredients to form the instant micelle water-soluble fertilizer. The compounded instant micelle water-soluble fertilizer is stable to store and the defects of air slaking, caking, double replacement reaction and the like of the water-soluble fertilizer are overcome. According to the preparation method, chemical fertilizer nutrient raw material particles form a defect body formed by microcracks by adopting a grinding process, the average distance between the microcracks is 0.01-0.1 micron, and the microcracks are coated with the protecting agent to form the micelles. The water-soluble fertilizer is quickly dispersed and dissolved in water in the form of micelles, the requirements of integral drip fertigation, water flush fertilization and the like of the water-soluble fertilizer are met, especially the micelles have holding property on dissolved fertilizer nutrient ions, and the fertilizer efficiency loss caused by leakage of the nutrient ions after the water-soluble fertilizer is dissolved in the water can be effectively prevented.

The invention discloses a roadway U-shaped steel sleeving shed supporting structure. The supporting method that anchor cables and a metal net are arranged, mortar spraying is conducted, a U-shaped steel sleeving shed is arranged, and grouting is conducted is adopted; firstly, an anchor net spraying layer is formed, the anchor net spraying layer has the effect of preventing surrounding rock from further weathering and deliquescing, the loads on the two sides and a roof of a roadway evenly act on supports so as to avoid stress concentration, thus, rapid press-deformation and roof caving which are caused by crushing of the surrounding rock at the initial excavation period of the roadway can be controlled effectively, and finally an anchor net spraying combination isolation arch on the surfaceof the roadway is formed; secondly, a supporting rigid layer is formed between every two layers of U-shaped steel; the roadway U-shaped steel sleeving shed supporting structure can be resistant to compression with high strength and can conduct yielding moderately, and a hardness and softness double-layer supporting structure is formed; and the stability and supporting strength of the surroundingrock of the crushed soft rock roadway are promoted greatly, a certain guarantee is provided for safe production of a coal mine, meanwhile, a certain amount of roadway maintenance cost is also reducedfor an enterprise, great benefits are achieved for development of the coal enterprise, and thus the roadway U-shaped steel sleeving shed supporting structure can be used and popularized on a large scale.

The invention discloses a broken surrounding rock and soft rock roadway U-shaped steel sleeve shed support method. The support method adopting anchor cables, a metal net, slurry spraying, a U-shaped steel sleeve shed and grouting is adopted. Firstly, an anchor net spraying layer is formed and used for preventing surrounding rock from further weathering and deliquescence, and thus loads on the twosides and the roof of a roadway are evenly acted on a support so as to avoid stress concentration so that rapid weighting deformation of surrounding rock breaking and roof collapse at the initial stage of roadway excavation can be effectively controlled, and an anchor net spraying combination isolation arch on the surface of the roadway is formed finally; and secondly, a support rigid layer is formed between two layers of U-shaped steel, through the structure, high-strength pressure resistance and moderate yielding can be achieved, a rigid and flexible double-layer support structure is formed,the stability and support strength of broken soft rock roadway surrounding rock are greatly improved, a certain guarantee is provided for safe production of a coal mine, meanwhile, a certain amount of roadway maintenance cost is also reduced for enterprises, great benefits are achieved for the development of the coal enterprises, and large-range using and popularization can be conducted.

The invention belongs to the field of pharmaceutical preparations. For the defects that sticking of a clopidogrel hydrogen sulfate material exists and tablets prepared from the clopidogrel hydrogen sulfate material are prone to hydrolysis in the storage process, a method for preparing non-sticking clopidogrel hydrogen sulfate intermediate particles is discovered, the clopidogrel hydrogen sulfate intermediate particles are further prepared into tablets, and the tablets are good in formability and can be continuously compressed without sticking. The tablets are simple in preparation method, can be produced by adopting a conventional preparation method without special equipment, has the significant advantages of being easy to industrialize, high in production efficiency, good in stability, controllable in quality and the like and has the outstanding substantive feature and the significant improvement.