225results about How to "Avoid volatile loss" patented technology

The invention relates to a combined treatment method for sodium chloride-containing wastewater generated in dressing and smelting of rare earth. According to the method, a series of desalination and concentration treatments such as deoiling, neutralizing, homogenizing, aeration, flocculation, ultrafiltration, nanofiltration, reverse osmosis, electroosmosis and MVR (mitral valve replacement) concentration are carried out on the wastewater, so that recyclable purified water is obtained; ammonium bicarbonate is added into the sodium chloride extracted from the wastewater, so that the sodium salt can be converted and regenerated into sodium bicarbonate, sodium carbonate and ammonium chloride products for dressing and smelting of the rare earth. According to the method, the recovery rate of the wastewater is high, the effluent quality is stable, the conversion rate of the sodium salt is high, and no three wastes are discharged; production equipment is compact, simple to operate, and easy to realize automation control; the problem that the sodium chloride-containing wastewater and other similar industrial wastewater generated in dressing and smelting of rare earth are difficult to recycle is solved.

The invention relates to a coated compound fertilizer, in particular to a totally biodegradable coated compound fertilizer and a preparation method thereof. The coated compound fertilizer consists of a coated layer and a compound fertilizer core. The main body of the coated layer is polylactic acid and / or polybutylene succinate. The coating process adopts fluidized bed spraying-coated technology, and comprises the following steps: dissolving polylactic acid and / or polybutylene succinate in trichloromethane, adding carboxymethylcellulose, urease and / or nitrification inhibitor, organic and / or inorganic conditioner in the solution, spraying and coating the surfaces of the fluidized compound fertilizer granules after uniformly mixing the mixture under the stirring of a stirrer to form the uniform and complete organic polymeric membrane layer. The process has the advantages of easy implementation, and capacity of effectively slowing down the release of the fertilizer nutrient to the outside and the conversion rate of nitrogen in soils, effectively controlling the release and conversion of the fertilizer nutrient in soils, and reducing the pressure on environment caused by the rapid release of nutrient. The coated material can be totally biodegradable, and the degradation products have no secondary pollution to the environment.

The invention relates to a 3004 aluminum alloy material and a production method of a cast-rolling stock of a decorative strip of the 3004 aluminum alloy material. The compositions of the aluminum alloy material comprise smaller than or equal to 0.25 percent of Si, 0.20 to 0.60 percent of Fe, 0.10 to 0.15 percent of Cu, 1.0 to 1.20 percent of Mn, 0.85 to 1.25 percent of Mg, smaller than or equal to 0.05 percent of Ti, and the remaining amount of Al. The production method comprises the steps of smelting, refining, on-line degassing, grain refinement, filtration, cast rolling, and the like; during the smelting, 50 percent to 60 percent of electrolytic aluminum liquid and the rest of aluminum alloy waste materials are mixed and smelted; the compositions except Mg are added to the mixture; and after the steps of powder injection refining, slag skimming, magnesium ingot adding, furnace turning-down and refining are conducted, the stock of the strip is cast-rolled. A product of the production method has even and steady chemical compositions and can satisfy the mechanical property requirements of subsequent rolling, so that the yield of subsequent rolling is increased; by using the aluminum alloy waste materials as raw materials, the raw materials are saved; by directly adding the electrolytic aluminum liquid, gas loss in the melting process is reduced, and burning loss in the waste material melting process can also be decreased; and by using a cast-rolling manner to replace a hot-rolling manner, the process is simplified and the production cost is greatly reduced.

The invention discloses a preparation method and application for solid beverage. The solid beverage is prepared from the following raw materials in parts by weight: 2-6 parts of fresh gingers, 2-6 parts of jujubes, 1-2 parts of yams, 0.1-1 part of pericarpium citri reticulatae, 0.1-1 part of dried gingers, 0.5-2 parts of red sugar, 0.2-0.5 part of liquorice, 2-6 parts of fructose, 0.3-1 part of maltodextrin and 0.3-1 part of beta-cyclodextrin. The preparation method comprises the steps of fresh ginger juicing, supercritical dried ginger CO2 extraction, extraction concentration, spraying drying, granulation and the like. According to the preparation method, the volatilization loss of volatile oil under long-time heating extraction is avoided, effective components in the medicinal materials are extracted to the maximum extent, and the effects are guaranteed; the fresh ginger juice is subjected to spraying drying after being covered with the beta-cyclodextrin and the maltodextrin, so that the original fragrance of the ginger is kept to the maximum extent. The solid beverage product prepared by adopting the preparation method tastes good, is prepared from heat water, is convenient to prepare, drink and carry and is an ideal medicinal-edible dual-purpose beverage; tests show that extremely good effects of preventing the coldness, warming the body, tonifying spleen, warming stomach, preventing fever and dysmenorrhea and the like are achieved when people take the product for long time.

The invention relates to a method and a system for continuously separating alcohol and utilizing residual heat on the basis of solid state fermentation material, which belongs to the technical field of biomass fuel alcohol. The method mainly comprises the following steps: tight-line pumping, feeding into tower, distributing, stripping alcohol, discharging residue, utilizing residual heat and the like. The system achieves residual heat reutilization through the following two approaches which comprises firstly, looping back residual liquid to outer cylinder clamp ferrules of a closed ring groove rotating disc stripping tower, heating up material and closed tunnel outer clamp ferrules preheating fermentation material, secondly, complementing solid state distillation steam consumption through electrically heating. The alcohol-residue continuous separation technique and closed ring groove rotating disc alcohol stripping tower which are proposed by the invention are suitable for stripping alcohol in solid state fermentation products of sugar or starch such as sweet sorghum stalks and the like, which achieves a goal of automatically feeding and discharging, and continuously separating alcohol and residue, and the method of the invention effectively utilizes reactor residual liquid hidden heat, which complements partial steam gas, and achieves the superiorities of high net energy ratio of solid state fermentation path sweet sorghum alcohol and low environmental load.

The present invention relates to microcapsule graphene composite material controlled-release pesticide-fertilizer granules, which comprise mother powder, an inorganic nutrient, an organic matter, an anti-hardening agent and a filler, wherein the mother powder comprises a microcapsule graphene composite material and a pesticide active ingredient, the microcapsule graphene composite material is formed by compounding a polymer compound and graphite powder, and the polymer compound is at least one selected from gelatin, gum arabic, starch, chitosan, alginic acid, methyl cellulose, a carboxymethyl cellulose salt, poly lactic acid, polyamide and polyvinyl alcohol. The preparation method comprises: completely mixing pesticide and graphite powder, crushing, placing the obtained mixture and a polymer compound into a ball mill to grind, carrying out agglomeration, precipitation or polymerization to obtain a mixture of the microcapsule graphene composite material and the pesticide, drying to obtain mother powder, carrying out granulation on the mother powder, an inorganic nutrient, an organic matter and a filler, and spraying an anti-hardening agent on the particles so as to obtain the finished product. According to the present invention, the release is stable, and the problems of fertilizer applying and plant diseases and insect pests of the whole season can be solved with the applying of the granules one time.

The invention provides microcapsule essence, which comprises microcapsule wall and capsule core which is essence, wherein the microcapsule wall is Pullulan, and the essence has an amount of 1% to 80% that of Pullulan. The liquid essence can be well embedded in the microcapsule essence without addition of other auxiliaries according to the good film-forming property, viscosity and solubility of Pullulan, so that the microcapsule essence has the advantages of simple formula, high microencapsulation ratio, long perfume resistance time, good solubility and fast perfume release. The invention also provides the method for preparing the microcapsule essence, which comprises following steps: dissolving Pullulan in water to obtain a water solution with a certain concentration, adding essence, emulsifying uniformly, and spray-drying to obtain the final product. The preparation method has no special requirement for process parameters, easy control and good embedding effect of the product.

The invention relates to an electronic cigarette with a microcapsule releasing device and a microcapsule. The electronic cigarette with the microcapsule releasing device comprises a cigarette-shaped cavity shell, a battery, an indicating lamp, a cigarette holder and an adsorbing material, an atomizer is arranged in the adsorbing material and is connected with the battery and a starting switch, the indicating lamp is located on one end face of the cigarette-shaped cavity shell, the battery and the adsorbing material are arranged at the end, close to the indicating lamp, in the cigarette-shaped cavity shell, a microcapsule cavity is formed in the other end of the adsorbing material and is internally provided with a microcapsule, the cigarette holder is arranged at the other end of the microcapsule cavity, and a piercing needle is arranged in the middle of the cigarette holder. The electronic cigarette with the microcapsule releasing device and the microcapsule have the advantages that releasing can be controlled, the stability of tobacco tar can be controlled, the microcapsule can be replaced, taste and smell can be shielded, other smells in the environment cannot enter the tobacco tar easily, and the ingredients of the tobacco tar are protected against contamination.

The invention discloses a soil conditioner which is prepared from the following materials in parts by weight: 20-60 parts of attapulgite, 10-50 parts of decomposed coal, and 10-50 parts of urea. The soil conditioner disclosed by the invention is simple in formula, low in cost, good in effect and suitable for agricultural popularization and application; the soil conditioner can prevent a nitrogenous fertilizer from volatizing and running off, so as to improve the utilization rate of nitrogenous fertilizer and promote absorption and utilization rates of the other large-element chemical fertilizers, can strengthen the fertility of the soil, promotes development of plant roots and activity of beneficial microorganisms, helps the soil release various nutrient elements which facilitate plant absorption, can effectively improve the soil, increases the fertility of the soil, improves the content of organic matters in the soil, treats hardening, desertification and salinization of the soil, improves the permeability of the soil, increases the ability for preserving water and fertilizer of the soil, reduces moisture evaporation of the soil, increases cation exchange capacity of the soil and promotes better absorption of the microelement by the plant roots.

The invention relates to a Niuhuangshangqing soft capsule and a preparation method thereof, as well as a quality control method of capsule contents. The Niuhuangshangqing soft capsule comprises contents and capsule shell. The contents include an extent of Chinese medicinal materials in Niuhuangshangqing prescription and a dispersion medium with a weight ratio of 1:(1-2), wherein, the dispersion medium is vegetable oil. The soft capsule is prepared by extracting effective components from Chinese medicinal materials in Niuhuangshangqing prescription in accordance with the properties of the effective components by using different modern extraction techniques and making into soft capsule. The soft capsule has embedding and masking effects, and can prevent volatilization loss of oil components and oxygenation or photodecomposition of effective components. The soft capsule also has the advantages of rapid disintegration, uniform dispersion, high bioavailability, good stability of effective components, low liability of moisture absorption, good air tightness, direct intestinal absorption after disintegration, masking of unpleasant odors of effective components, convenience for administration and carrying, and so on.

The invention provides a kind of bee-collected natural traditional Chinese medicine honey and its preparation; the traditional Chinese medicine materials with homology of medicine and food and with no bee rejection are chosen to produce into water extract with 3-6 times amount of water; after filtering deposit, the filter liquid is mixed with honey in proportion of 1:0.5-2 by weight; the mixed liquid is concentrated until the medicine concentration reaches to 2-20%, then used to feed bees; after food intake, honey is collected, purified and produced into natural traditional Chinese medicine honey. The invention is produced under the action of biological enzyme of bees; the beneficial components are 10-30 times higher than that of common honey; the invention has remarkable treatment and healthcare function, such as insomnia treatment; because of the invigoration and detoxification function of honey, the product not only remains the original treatment and healthcare function of medicine in honey, but also has sweet taste and no toxic side effect; the invention is suitable for all ages, especially for children.

The invention discloses decompression regeneration system and method for a hollow fiber membrane contactor of a carbon dioxide enriched absorbent solution. The method comprises the steps of: heating the carbon dioxide enriched absorbent solution by a heater, and enabling the pressurized carbon dioxide enriched absorbent solution to enter the tube pass of the hollow fiber membrane contactor for regeneration by a booster pump and a liquid flow meter; outputting the obtained barren solution of the absorbent solution after regeneration from the lower end of the tube pass of the hollow fiber membrane contactor; blowing steam by the low temperature generated by a blowing steam generator under the action of a vacuum pump, and feeding the steam from the lower end of the tube pass of the hollow fiber membrane contactor for assisting regeneration; and dewatering the regenerated CO2 by a condenser under the actions of the blowing of the steam with low temperature and the suction of the vacuum pump to obtain the CO2 gas with high concentration. In the invention, the decompression operation is carried out in the membrane contactor for replacing the traditional heating regeneration method, the regeneration energy consumption of the CO2 absorbent solution is reduced, and the problem of high energy consumption of CO2 separation from fire coal and flue gas by using the chemical absorbent method can be solved.

The invention provides a hand-made cold process soap and a preparation method thereof. The hand-made cold process soap comprises 1-2% by weight of encapsulation particles, wherein the encapsulation particles have a capsule wall and a capsule core. A soap base formula of the hand-made cold process soap comprises the following components, by weight, 5-20 parts of avocado oil, 5-20 parts of coconut oil, 5-20 parts of olive oil, 5-20 parts of palm oil, 5-20 parts of shea butter oil, 5-15 parts of sodium hydroxide, and 10-35 parts of water. According to the hand-made cold process soap, the function components, or perfume or other substances are wrapped in the microcapsules, such that direct contact of the function components, the perfume and other substances, and the alkaline environment of the hand-made cold process soap can be avoided so as to effectively solve problems of easy failures and volatilization of nutrients, perfume, and other substances, and easy deterioration of the hand-made cold process soap.

The invention relates to a method for selectively determining benzene series in smoke intercepted by a cigarette filter through adopting static headspace-gas chromatography / mass spectrometry. In order to selectively determine seven kinds of benzene series in smoke intercepted by the cigarette filter, a determining method of using static headspace-gas chromatograph and mass spectrometry to select ion quantification is adopted. According to the detecting method, the quantitative detection limit to the seven kinds of benzene series is 0.003-0.005 mug / cig, the standard recovery rate is 86.2-102.8, and the relative standard deviation is smaller than 5 percent. The detecting method has the advantages of simplicity in operation, quickness in determination and high accuracy and sensitivity, and provides a technical support for selecting filter materials and selectively reducing the release amount of the benzene series in cigarette smoke.

The invention discloses a fragrant microcapsule for composite cigarettes.A nucleus of the microcapsule is prepared from novel methyl hesperidin dihydro chalcone, rhodinol and rhodinol-beta-D-glucopyranoside.A shell of the microcapsule is prepared from chitosan.The invention further discloses a preparation method of the fragrant microcapsule for composite cigarettes and application for increasing fragrance of cigarettes.The fragrant microcapsule for composite cigarettes can keep cigarette fragrance stability, durability and uniformity consistency of fragrance release along with time.

The invention discloses a flavor enhancement semi-fermented fleece-flower root leaf tea which is prepared by the following steps: (1) picking fresh leaves; (2) withering; (3) rocking of green leaves; (4) treating by exogenous enzyme for comprehensive flavor enhancement; (5) debitterizing and killing out; (6) mass rubbing; (7) baking by gross fire; (8) packed rolling; (9) baking by full fire; (10) drying. According to the preparation method of the flavor enhancement semi-fermented fleece-flower root leaf tea, galactosidase and water soluble chitosan are used for carrying out exogenous enzyme treatment on the fleece-flower root leaves for comprehensive flavor enhancement, so that the content of aromatic substances can be increased, and the free aroma can be locked on the leaves by the subsequent drying process so as to be avoided running away; the obtained flavor enhancement semi-fermented fleece-flower root leaf tea has the advantages of being green in color, elegant in flavor and durable in soaking, has very high nutritive value, medicinal value and health care effect, and is clear and elegant in mouthfeel; therefore, the flavor enhancement semi-fermented fleece-flower root leaf tea is a new semi-fermented tea, has very good application prospect, and has the advantages of being simple in preparation method, affordable and stable in product quality.

The invention discloses modified asphalt and a preparation method thereof. The preparation method comprises the following steps: S1. mixing high temperature asphalt with heavy oil and a cross-linking agent to obtain a mixture, wherein the softening point of the high temperature asphalt is 115-116 DEG C, the content of beta resin is 5-15 wt%, and the ash content is not greater than 0.5 wt%; S2. carrying out segmented cross-linking polymerization on the mixture under the action of a catalyst to obtain modified asphalt, wherein the cross-linking polymerization temperatures in different stages are different, and the cross-linking polymerization temperatures in the stages are 60-180 DEG C. According to the preparation method disclosed by the invention, the cross-linking polymerization is carried out in stages to avoid large amount of volatilization loss of the cross-linking agent due to high temperature caused by direct heating, the reaction conditions in the stages can be flexibly controlled to obtain the modified asphalt, which can meet the market demand and has decreased softening point and increased beta resin content, and the modified asphalt has good caking property, thereby being available as medium and high temperature binder asphalt and impregnated asphalt needed on the market.

The invention relates to a high-voltage lithium ion battery positive electrode material with a spinel structure and a preparation method thereof. The preparation method comprises the preparation steps of preparing a mixed salt solution and preparing precursor substance sediment in the solution by using a precipitant; standing and aging; separating and drying; roasting to obtain a multi-element oxide precursor with the spinel structure; mixing the multi-element oxide precursor with lithium salt and grinding; and roasting to obtain the positive electrode material LiM<x+y>Ni<0.5-x>Mn<1.5-y>O4 with the spinel structure, wherein M is Co, Cr, Fe, Ce, Al, Zn or Mg; x is more than or equal to 0 and less than or equal to 0.25 and y is more than or equal to 0 and less than or equal to 0.25. The LiM<x+y>Ni<0.5-x>Mn<1.5-y>O4 positive electrode material prepared by the method has high purity and stable electrochemical properties; a related technological process is simple and easy to operate, is environmentally friendly and is suitable for large-scale industrial production application.

The invention discloses a method for preparing fertilizer adsorbing volatilizing nitrogen. Any two reagents selected from sodium chloride, potassium chloride, calcium chloride, potassium sulfate, acetic acid, boracic acid, citric acid and phosphoric acid are used for soaking powdered activated carbon, and the soaked carbon is mixed with components thereof so as to wrap the exterior of fertilizer particles containing nitrogen. The fertilizer can transform the volatilizing ammonia gas of nitrogen into NH4 that can be easily absorbed by earth. The method basically eliminates the volatilization loss of ammonia, simultaneously has slow release effect and can reduce fertilizer loss, keep soil moisture and improve soil.

The invention relates to an electronic cigarette with a microcapsule slow-release device. The electronic cigarette comprises a cigarette holder, a cigarette-shaped cavity outer shell, a battery, an indicator lamp and adsorbing material, and is characterized in that the microcapsule slow-release device is arranged between the cigarette holder and the adsorbing material, the microcapsule slow-release device is composed of a cylinder with the diameter the same as that of the cigarette-shaped cavity outer shell, a plurality of microcapsule containing holes are evenly distributed in the cylinder, the end, making contact with the cylinder, of the cigarette holder is provided with protrusions matched with the microcapsule containing holes in the cylinder, a heater is arranged between the cylinder and the adsorbing material, and the heating makes contact with the microcapsule containing holes. By means of cigarette liquid microencapsulation, cigarette liquid is isolated from the environment, other smells in the environment can not easily enter tobacco oil, it is ensured that components of tobacco oil are not contaminated, and different flavors can be felt.

The invention relates to a heat-insulating ablation-resistant maintainable repairing agent, coating dual-purpose slurry, a preparation method and application, and belongs to the technical field of coatings and repairing agents. The slurry comprises main components and an additive component, the main components comprise 40-60% of organic silicon resin and 40-60% of a high-temperature-resistant filler the additive component comprises a solvent, wherein the mass of the solvent accounts for 60%-70% of the mass of the main components, and the additive component can further comprise an auxiliary agent; the main components and the additive component are uniformly mixed to obtain the slurry; the slurry is applied to gaps, pits, damage and other defects needing to be repaired, and repairing of a defect-containing base body is completed after curing. And by brushing the slurry on a matrix, and curing, the coating is obtained. The slurry can be used for preparing coatings and repairing defects onthe surfaces of various substrates, has the effects of heat insulation and ablation resistance, remarkably improves the temperature resistance of the substrates, and can meet the requirements of aircraft thermal protection systems in the future for low-cost, heat-proof, ablation-resistant and maintainable repairing agents and coatings.

The invention relates to a preparation method of high viscosity cationic starch, which comprises the technological steps of: 1) using the mixture of an alkaline catalyst and an inhibitor to adjust the pH of starch slurry to be 10swung dash12; 2) heating and adding the mixture of an alkaline activating agent and a cationic etherifying agent, and stopping heating until the temperature reaches 40 DEG C; 3) using the mixture of the alkaline catalyst and the inhibitor to adjust the pH of the starch slurry to be 11swung dash12, keeping heating until the temperature of the starch slurry reaches 49swung dash50 DEG C, and etherifying for 1swung dash5h; 4) adding an alkaline cross-linking agent, and reacting for 1swung dash6h; and 5) dehydrating the starch slurry, obtaining green starch, adding an acidulant, mixing uniformly, acidizing the starch for 0.5swung dash2h at 50swung dash100 DEG C, and after cooling, smashing and screening, obtaining a product. The product has high paste viscosity, high acid and alkaline-resistant stabilities, and can be applied in the fields of paper making, mineral separation, oil fields, adhesives, waste water treatment and the like.

The invention belongs to the technical field of cigarettes and particularly relates to high-aroma heat-not-burn tobacco and a preparation method thereof. The preparation method is characterized by including the steps of (1) microwave swelling; (2) tobacco leaf crushing; (3) suspension preparing; (4) spraying; (5) drying and balancing, wherein the step (3) of suspension preparing includes: mixing well a mixture of a polyol, purified water, anhydrous ethyl alcohol, tobacco extract, a tobacco flavor, a binder and a dispersing aid, and leaf particles of the step (2) in a certain mass ratio to obtain homogenous suspension. The tobacco particles and the flavor are made into the suspension that is sprayed to microwave-swelled tobacco stems, and the defects are overcome that, for instance, the traditional heat-not-burn tobacco smoke has low concentration, poor aroma richness, obscure smoke characteristics, non-uniform aroma, and poor duration.

The invention relates to an apparatus and a method for rapidly measuring the sulfur dioxide residue level in a Chinese herb, and belongs to the technical field of drug analysis. The method comprises: a, drawing a standard curve and deriving a calculation formula; b, directly detecting the Chinese herb without treatment; and c, calculating the result. The apparatus comprises a purified water bottle, a sodium hydroxide solution bottle, an o-phthalaldehyde solution bottle, an ammonium acetate solution bottle, a sodium sulfite solution bottle, a multi-channel micro-flow-controlled peristaltic pump, a reaction pool, an ultrasound instrument, a micro-flow-controlled peristaltic pump, a serpentine condensation pipe, a filtration membrane, a cuvette, a detector, and a workstation. The method has characteristics of simple equipment, simple operation, accurate detection result, and effective detection of sulfur dioxide in the Chinese herb.

The invention relates to the field of essence spice, in particular to powdered cream essence and a preparation method thereof. The powdered cream essence is prepared from the following ingredients including cream zymolytes, cream essence substrates, maltodextrin, starch octenyl succinate and the like. The preparation method of the powdered cream essence comprises the following steps of weighing the cream zymolytes, the cream essence substrates, the maltodextrin and the starch octenyl succinate; performing uniform mixing; after the shearing by a high-speed shearing machine at the room temperature, performing shearing by the high-speed shearing machine to obtain lotion; performing spray drying on the lotion to obtain a product of the powdered cream essence. The powdered cream essence provided by the invention uses powdered cream zymolytes as major ingredients; the cream zymolytes are prepared through a series of steps such as enzymolysis; the cream essence exists in a form of microcapsules; the temperature resistance of the powdered cream essence, the use convenience and the fragrance durability can be obviously improved.

The invention provides a method for extracting ellagic acid tannin from chestnut bur. The method comprises the following steps of: adding chestnut bur powder into an ethanol aqueous solution to obtain ethanol aqueous dispersion of the chestnut bur; ultrasonically extracting the ethanol aqueous solution, refluxing in a water bath and extracting; and concentrating filtrate to obtain the ellagic acid tannin. The method has the advantages that: (1) the process is simple, the cost is low, the ellagic acid tannin is refined from the ethanol aqueous solution, and the condition is mild; and (2) ethanol is used in the extracting process, and the obtained natural tannin is safe and nontoxic, and is harmless to human bodies.

The invention relates to the field of Tibetan incense preparation, in particular to a Tibetan incense and a preparation method thereof. The Tibetan incense is mainly prepared from cupressus torulosa, white sandalwood, lichen, common vladimiria root, tibet inula root, agilawood, brown sugar, benzoin, borneol, pangolin, sandalwood padauk, safflower (flos carthami) and elm bark. The Tibetan incense provided by the invention is prepared from few raw materials (only 13 raw materials), does not contain any chemical component, and all the raw materials take synergic effect to enhance the effect; the prepared Tibetan incense diffuses aroma and has the effects of purifying air, sterilizing, expelling parasites, preventing blighting fungi influenza, enhancing sleep, regulating the skin, easing mental stress, resisting fatigue and inducing resuscitation. The invention further provides a preparation method of the Tibetan incense. The method is simple and feasible; the raw materials are crushed and mixed by physical means; the effective active components of the raw materials are well reserved; and the prepared Tibetan incense reaches a relatively good effect.

The invention discloses a method for determining content of total selenium, inorganic selenium and organic selenium of selenium yeast. The method comprises the steps: heating and digesting a sample in hydrochloric acid to uniformly reduce selenium in the sample to be quadrivalence selenium, generating a piaselenole complex by virtue of the quadrivalence selenium and 2,3-diaminonaphthalene (DAN) under the subacidity condition, and extracting by utilizing cyclohexane; determining fluorescent intensity by utilizing a fluorophotometer, and calculating the content of selenium in the sample. 3mL of mixed acid is used for determining the total selenium, so that the consumption of the mixed acid can be greatly reduced; the digestion and extraction are carried out in a water bath in a round-bottomed flask with a cover, so that the pollution of strong oxidation reductive acid on the environment of a laboratory can be avoided, the volatile loss of selenium can be prevented, and the recovery rate is relatively high; the consumption of a cresol red indicator agent is canceled, so that the interference of the sample on the judgment of the color variation of the indicator agent can be avoided, and the interference of the indicator agent on a to-be-detected solution can be reduced. The determination time of the total selenium and inorganic selenium is greatly shortened, and the digestion of total selenium and extraction of inorganic selenium can be completed in about one hour.

The invention relates to a lignin organic slow-release liquid fertilizer for wheat and a preparation method thereof, belonging to the technical field of organic slow-release fertilizers. The lignin organic slow-release liquid fertilizer for wheat is prepared from the following raw materials in parts by weight: 20-35 parts of lignin, 10-20 parts of a high molecular polymer, 2-8 parts of cellulose mud cakes, 3-7 parts of organic abamectin, 10-15 parts of acidic hemicellulose liquid, 10-15 parts of alkaline hemicelluloses liquid, 8-13 parts of a nitrogen fertilizer, 10-15 parts of a phosphorus fertilizer, 12-16 parts of a potassium fertilizer, 5-10 parts of nitric acid, 10-20 parts of plant cytokinin, 16-20 parts of zeolite powder, and 5-10 parts of activated carbon. The raw material components in the lignin organic slow-release liquid fertilizer for wheat coordinate with one another to achieve a synergistic action, the nutrient proportions of the raw materials consider the total nutrient requirement in the whole growth period of the wheat to ensure that the nutrient elements required by the growth and development of the wheat can be comprehensively supplied, so that the lignin organic slow-release liquid fertilizer is complete in nutrition, more in function, high in comprehensive fertility and great in potentiality and is special for the wheat.

The invention provides a zinc-aluminum-neodymium alloy and a fused salt electrolysis preparation method thereof. The fused salt electrolysis preparation method comprises the following steps of: heating a fused salt system comprising 45% of LiCl, 45% of KCl and 10% of AlF3 in mass percent to 450 DEG C for fusion, and then adding the mixture of Nd2O3 and ZnCl2 in mass ratio of 1 to 5, wherein metal molybdenum is used as a cathode, graphite is used as an anode, a cathode sinking method is adopted, the polar distance is 5 cm, the electrolytic temperature is 450-480 DEG C, the current density of the cathode is 6.4-12.7 A / cm<2>, the current density of the anode is 0.5 A / cm<2>, and the bath voltage is 6.4-10.2 V; after carrying out electrolytic deposition for 120 minutes, keeping the temperature at 800 DEG C for 2h to obtain a liquid Zn-Al-Nd alloy nearby the cathode in a fused slat-electrolysis bath; and then solidifying the liquid Zn-Al-Nd alloy to obtain a solid alloy. The preparation method greatly shortens the production process and has simple process. Because the method of low-temperature electrolysis and high-temperature heat preservation is adopted, the better liquid alloying is achieved, and the energy consumption and the production cost are reduced.