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71results about How to "Solve volatile" patented technology

All-solid-state polyelectrolyte film, its preparation and application method

The invention provides an all-solid-state polyelectrolyte film based on polyvinyl formal or its homolog and a preparation method thereof. Through stepwise reaction of polyvinyl formal or its homolog and boric acid, oxalic acid, and a lithium salt in an organic solvent system, the solid-state polyelectrolyte film with polyvinyl acetal as a main chain and a lithium mono(oxalato)borate structure grafted on a polymer molecular chain can be formed. With low cost and simple operation, the all-solid-state polyelectrolyte film prepared by the invention can realize large-scale production, and has ideal ionic conductivity, electrochemical stability window and mechanical properties. Therefore, the all-solid-state polyelectrolyte film can be used as all-solid-state electrolyte in polymer lithium ion batteries to improve the safety performance of the lithium ion batteries.
Owner:浙江爱科新材料有限公司

Melting treatment method for waste incineration flying ash

The invention relates to a melting treatment method for waste incineration flying ash, and belongs to the technical field of environmental engineering. The treatment method comprises the following steps of carrying out pretreatment on the waste incineration flying ash to form treated flying ash; uniformly mixing the treated flying ash with sludge to form a mixture of the flying ash and the sludge; carrying out solidification and stabilization on the mixture of the flying ash and the sludge to form a solidified body; and carrying out melting treatment on the solidified body. The treatment method can effectively solve the problems that the caloric value in the flying ash is relatively low, and heavy metals in the flying ash are liable to volatilize, so that pipeline blockage in a flying ash conveying process is avoided; and the melting treatment method is good in treatment effect, is low in cost, is free from secondary pollution, and is high in resource utilization.
Owner:INST OF ROCK AND SOIL MECHANICS - CHINESE ACAD OF SCI +1

Spherical brass alloy powder manufacture method

The invention discloses a spherical brass alloy powder manufacture method. The method is characterized by including 1, preparing brass alloy powder; 2, preparing evenly-mixed powder of brass alloy powder and carbon material powder or ceramic material powder; 3, performing high temperature treatment, melting the brass alloy, solidifying, obtaining metal spheres, and cooling rapidly; 4, separating the carbon material powder or ceramic material powder, and obtaining micron or nano brass alloy spherical powder. The temperature of high temperature treatment is equal to or higher than that of metal melting, preferably, the temperature of high temperature treatment ranges from 10 to 80 DEG C higher than that of the brass alloy melting point. According to the method, process is simple, cost is low, and the method is adaptive to large scale production; the brass alloy powder is free of macro segregation, the surface metal sense is strong, and application of metal three-dimensional printing, print painting decoration, spraying (brazing) welding metal powder and metal filters can be met.
Owner:NANJING UNIV

Circular revolving brush electrostatic spinning device and use method of same

The invention relates to a circular revolving brush electrostatic spinning device comprising a liquid supplying system, a brush type spinning system and a nano-fiber collecting system. The brush type spinning system comprises a brush head, a brush shaft, a cylindrical seat and a metal annular sprayer; the brush head is installed on the tail end of the brush head; the cylindrical seat is mounted on the brush shaft; the metal annular sprayer is arranged in a place on the upper end of the cylindrical seat and corresponding to the brush head; a bearing is arranged on the lower end of the cylindrical seat and on the brush shaft; the bearing is connected with a motor via a belt; the liquid supplying system has an air bottle, a spinning liquid storage bottle and a liquid guiding pipeline; the liquid guiding pipeline is disposed in the brush shaft; the upper end of the liquid guiding pipeline is connected with the brush head and the lower end extends into the bottom of the spinning liquid storage bottle; and the spinning storage bottle is connected with the air bottle via an air pipe. High-polymer solution can be automatically fed and nano-fibers can be prepared in batches in a stable way; and meanwhile, problems of volatilization of solvent during the electrostatic spinning and uncontrollability of the nano-fiber structure can be solved.
Owner:DONGHUA UNIV

N-ferrocenylmethyl-3-amino-1,2,4-triazole energy-containing transition metal complex and preparation method thereof

The invention discloses an N-ferrocenylmethyl-3-amino-1,2,4-triazole energy-containing transition metal complex and a preparation method thereof. The structural formula of the complex is as shown in the description, wherein M represents Cu, Zn, Mn, Ni, Co, Cd or Fe, L is 1H, 1'H-(5,5'-bistetrazole)-1,1'-diol dianion, and x is an integer from 0 to 3. The complex disclosed by the invention is simplein preparation method, low in cost and high in yield and has better burning catalysis effect on main components (ammonium perchlorate and hexogen) of a composite solid propellant; the N-ferrocenylmethyl-3-amino-1,2,4-triazole ligand in the complex has high nitrogen content, has higher positive enthalpy of formation and has synergistic catalysis effect with transition metal ions; and by addition of energy-containing compound 1,1'-dihydroxy-5,5'-bistetrazole disodium salt tetrahydrate, the sensitivity of a burning rate catalyst can be reduced, the energy can be supplied for the solid propellant, and the decomposed and released nitrogen gas is friendly to the environment.
Owner:SHAANXI NORMAL UNIV

Ferrocene triazole ionic-type nitrogen-enriched energetic metal complex and preparation method thereof

The invention discloses a ferrocene triazole ionic-type nitrogen-enriched energetic metal complex and a preparation method thereof. The ferrocene triazole ionic-type nitrogen-enriched energetic metalcomplex adopts a structural formula as follows: FORMULA, wherein M represents Cu<2+> or Zn<2+>, L is 1, 1, 3, 3-tetracyanoacrylate ion, picrate ion or trinitroresorcinate ion, and n is 1 or 2. The ferrocene triazole ionic-type nitrogen-enriched energetic metal complex is high in nitrogen content; through introduction of carbon-nitrogen double bonds, the conjugacy of a whole system is increased; the ferrocene triazole ionic-type nitrogen-enriched energetic metal complex is unlikely to volatilize under a natural condition, is good in thermal stability, has relatively high formation heat and combustion heat and extremely low vapor pressure and volatility, and has relatively good combustion catalyzing effect on main components, namely ammonium perchlorate and hexogen, of a composite solid propellant. The preparation method of the ferrocene triazole ionic-type nitrogen-enriched energetic metal complex preparation method is simple, the cost is low, the yield is high, and the defects that theexisting ferrocene-type combustion catalyst synthesizing process is cumbersome, the cost is high, the synthesis period is long and the like are overcome.
Owner:SHAANXI NORMAL UNIV

Acid and essential oil composite preparation and preparation method thereof

The invention discloses an acid and essential oil composite preparation and a preparation method thereof. The acid and essential oil composite preparation comprises organic acid raw materials, a plant essential oil raw material, an adsorbent, a bonding agent, a lubricant and a packing material, wherein the organic acid raw materials comprise 20-30% of sorbic acid, 10-15% of citric acid, 8-15% of malic acid and 5-10% of fumaric acid; the plant essential oil raw material comprises any one of cinnamyl aldehyde or vanillin or carvacrol and 5-8% of thymol, and the mass content of any one of the cinnamyl aldehyde or the vanillin or the carvacrol is 3-5%; the adsorbent is any one of silicon dioxide or white carbon black or vermiculite or sepiolite with the mass content of 3-6%; the bonding agent is any one or more of dextrin lactose or gelling starch or cellulose with the mass content percentage of 4-6%; the lubricant is any one of white carbon black or talcum powder or magnesium stearate with the mass percentage of 1-3%; and the packing material comprises 10-20% of hydrogenated fat. By the acid and essential oil composite preparation, stability of organic acids and essential oil can be protected; moreover, the acid and essential oil composite preparation can soak in gastric acid, and can be slowly released in the intestinal tract of an animal; the antibacterial effect of plant essential oil can be improved; and the actual using effect is excellent.
Owner:ZHEJIANG WANFANG BIO TECH CO LTD

Light-controlled slow-release spherical silica nano spice and preparation method thereof

The invention discloses light-controlled slow-release spherical silica nano spice and a preparation method thereof. The preparation method comprises the steps that a photosensitive silane coupling agent is synthesized; nano mesoporous silica spheres are prepared; the photosensitive silane coupling agent and the nano mesoporous silica spheres are reacted to obtain photosensitive nano mesoporous silica spheres; the photosensitive nano mesoporous silica spheres are loaded with spice, and after organic solvent and the spice which is not entrapped are removed, the light-controlled slow-release spherical silica nano spice is obtained. According to the light-controlled slow-release spherical silica nano spice and the preparation method thereof, nano mesoporous silica is adopted for entrapping thespice and preparing the light-controlled slow-release nano spice, thus the problems are solved that the spice is unsteady and volatile, and the spice release process is uncontrollable.
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI

Method for catalytic synthesis of polyaspartic acid by using imidazole type ionic liquid

The invention discloses a method for catalytic synthesis of polyaspartic acid by using imidazole type ionic liquid, relates to a method for synthesizing the polyaspartic acid, and solves the technical problems of low yield, difficult product separation process and high reaction temperature existing in the conventional method for synthesizing the polyaspartic acid by using chloroaluminate type ionic liquid as a reaction solvent. The method comprises the following steps of: adding the imidazole type ionic liquid and L-aspartic acid into a container; heating to 145-158 DEG C and preserving the heat for 0.5-6 hours to obtain mixed liquid of polysuccinimide and the ionic liquid; cooling the mixed liquid and then adding deionized water to separate the polysuccinimide out; washing the polysuccinimide and then dissolving the polysuccinimide by using a sodium hydroxide aqueous solution; adjusting pH value to be 3.0-3.5 by using hydrochloric acid; precipitating with ethanol to obtain polyaspartic acid precipitate; and filtering and drying to obtain the polyaspartic acid. The yield of the polyaspartic acid is 50-70 percent. The method can be used for synthesizing the polyaspartic acid serving as a water treatment scale inhibitor.
Owner:HEILONGJIANG UNIV

Tea tree oil microemulsion animal nutrition agent and preparation method thereof

The invention relates to the field of feed additives, in particular to a tea tree oil microemulsion animal nutrient and a preparation method thereof. The tea tree oil microemulsion animal nutrient of the present invention is natural, safe, green, pollution-free, drug-resistant, and drug-free It can significantly improve the quality of livestock and poultry meat products. Tea tree oil microemulsion animal nutrition has comprehensive functions, such as inhibiting harmful intestinal bacteria, enhancing immunity, promoting growth, improving production performance, improving feed conversion rate and anti-stress. It can replace antibiotics for livestock and poultry; at the same time, tea tree oil microemulsion animal nutrition can significantly inhibit the harmful intestinal bacteria such as Escherichia coli and Salmonella and the damage of mycotoxins in feed. The tea tree oil microemulsion animal nutrition agent screens out suitable emulsifiers and co-emulsifiers, which can solve the problems of tea tree oil being volatile and poorly stable active ingredients, and is of great significance for developing tea tree oil into a natural feed additive.
Owner:天津中澳嘉喜诺生物科技有限公司

A novel semi-solid sodium air battery and preparation method thereof

The invention relates to a novel semi-solid sodium air battery and a preparation method thereof, belonging to the technical field of electrochemistry. The semi-solid sodium-air battery consists of biphenyl sodium gel anode, solid electrolyte and ionic liquid gel cathode from anode to cathode. The Biphenyl sodium gel anode is prepared from biphenyl sodium and carbon material, wherein that carbon material is one or more of acetylene black, KB carbon (ketjen black), single-walled carbon nanotube, double-walled carbon nanotube, nitrogen-doped multi-walled carbon nanotube, graphene, fullerene, andflake graphite; the Ionic liquid gel cathode is prepared from graphite conductive agent, imidazole-based ionic liquid and carbon paper. The preparation method of the invention includes the preparationof biphenyl sodium gel, the preparation of ionic liquid gel and the assembly of sodium-air battery. The sodium-air battery of the invention has good electrochemical performance under the air condition, and has important significance for the practical application of the sodium-air battery.
Owner:YUNNAN COLLEGE OF BUSINESS MANAGEMENT

Ferricinium ion type high-nitrogen metal complex and preparation method thereof

ActiveCN106831888ACatalytic performance can be adjustedEasy to migrateOrganic compound preparationMetallocenesPicrateAmmonium perchlorate
The invention discloses a ferricinium ion type high-nitrogen metal complex and a preparation method thereof. The structural formula of the complex is as shown in the description; and in the formula, M represents any one of Mn<2+>, Co<2+>, Cu<2+>, Ni<2+> and Pb<2+>, X represents C or N, and L represents picrate or trinitroresorcin divalent anion, wherein n is equal to 2 when the L represents the picrate, and n is equal to 1 when L represents the trinitroresorcin divalent anion. Metal ions are introduced into the complex provided by the invention, so the anti-mobility of the complex is improved and the volatility of the complex is reduced; the introduced ligand and polynitrophenol anion have high formation heat and combustion heat, so the combustion catalyst performance of the complex on the thermal decomposition process of ammonium perchlorate is improved; and the preparation method of the complex provided by the invention is simple.
Owner:SHAANXI NORMAL UNIV

Method for producing polyurethane waterproof coating

The invention provides a method for producing a polyurethane waterproof coating. The method comprises the following steps of 1, blending a component A and a component B according to a mass ratio of 1: 2, wherein the component A comprises: by mass, 18 to 20% of diphenylmethane diisocyanate, 65 to 75% of polyethers and 8 to 12% of 200# solvent oil and the component B comprises: by mass, 35 to 40% of coumarone, 20 to 30% of talcum powder, 14 to 16% of silica fume, 18 to 22% of calcium hydroxide and 0.5 to 1% of a curing agent, 2, putting the raw materials of the component A into a stirring device, stirring at a normal temperature for 0.5 hours, carrying out preliminary mixing of the raw materials of the component B, putting the mixed raw materials of the component B into the stirring device, and stirring for 1 to 2 hours to obtain the polyurethane waterproof coating, and 3, taking out the polyurethane waterproof coating mixed uniformly and putting the polyurethane waterproof coating mixed uniformly into a packaging barrel. The polyurethane waterproof coating obtained by the method volatilizes difficultly and has no toxicity and a low cost. Compared with the conventional polyurethane waterproof coating, the polyurethane waterproof coating obtained by the method has high integrated performances.
Owner:WUJIANG WSD WATERPROOF BUILDING MATERIAL

Production tech. of grappa with flowers and plants

The present invention is flower brandy producing process, and belongs to the field of wine producing technology. The flower brandy producing process includes the steps of extracting edible flowers, blending, inoculating fruit wine yeast to ferment, distilling and ageing. It features the flower extraction with flower-to-water weight ratio of 1 to 20-120 and leaching temperature of 10-100 deg.c, blended fermentation liquid with sugar content of 1-50 %, the inoculated yeast in the amount of 1-10 % fermented liquid weight, and the fermentation temperature of 10-35 deg.c. The flower brandy has both rich wine scent and flower scent, unique flavor, low material cost and special health functions.
Owner:YANGZHOU UNIV

Mosquito-repelling sustained-release dropping pills and preparation method

The invention relates to mosquito-repelling sustained-release dropping pills and a preparation method.The mosquito-repelling sustained-release dropping pills are characterized by be prepared from an essential oil combination and a matrix, wherein the weight ratio of the essential oil combination to the substrate ranges from 1:1 to 1:8, and the essential oil combination is prepared from eucalyptus citriodora essential oil, basil sweet essential oil, vanilla oil, jasmine essential oil and synergist.The preparation method comprises the steps that the eucalyptus citriodora essential oil is melted, the basil sweet essential oil, the vanilla oil, the jasmine essential oil and the synergist are added, and the materials are stirred to be uniform; the mixture is added to the melted matrix and stirred to be uniform, and the constant temperature is maintained; the dropping pills are preparedin a pill dropping machine according to a specified technology.According to the mosquito-repelling sustained-release dropping pills and the preparation method, the usage quantity and order of use of the pills can be self-assembled according to different usage requirements and hobbies, and therefore single active ingredient slow-release quantity and slow-release duration of the essential oil are controlled, mosquitoes cannot produce insecticide resistance, the pills can be matched with multiple mosquito-repelling carriers for use, and the mosquito repelling effect is good.
Owner:NINGBO DAYANG TECH CO LTD

Continuous synthesis method and application of sulfonated keto-aldehyde condensation compound

The invention provides a continuous synthesis method and application of a sulfonated keto-aldehyde condensation compound, and belongs to the technical field of preparation of high-molecular compounds.According to the invention, a microstructure reactor is used for preparing SAF, so that the problems of inaccurate temperature control, long reaction time, easy generation of by-products from the reaction mixture and incapability of continuous production caused by strong heat release in the reaction process in the SAF synthesis process are effectively solved, and continuous synthesis of SAF is truly realized; and method has good practical popularization and application values.
Owner:LIAOCHENG UNIV

Slow release type solid aromatic and preparation method thereof

The invention discloses a slow release type solid aromatic. The slow release type solid aromatic comprises the following components in percentage by mass: 40-46% of nanosilicon dioxide hollow spheres, 40-46% of essence, 4-10% of starch, 0.5-3% of superfine silica powder, 2.5-4% of polyvinylpyrrolidone and 1-3% of talcum powder, wherein particle size of each nanosilicon dioxide hollow sphere is 300-500nm. The invention also provides a preparation method of the slow release type solid aromatic. The preparation method of the slow release type solid aromatic comprises the steps of uniformly mixing nanosilicon dioxide hollow spheres, essence and auxiliaries, and carrying out direct compression, so that the slow release type solid aromatic is obtained. The slow release type solid aromatic has the advantages of uniform and slow fragrance release, long scent lasting time, no toxicity, no harm and high essence load capacity and can be widely applied to the fields of daily chemicals, textiles, leathers, coating and the like.
Owner:SHANGHAI INST OF TECH

Photoresponsive slow-release polymer nano spice and preparation method thereof

The invention discloses a photoresponsive slow-release polymer nano spice and a preparation method thereof. The preparation method comprises the following steps: a reversible addition-fragmentation chain transfer polymerization chain transfer agent modified by a hydrophilic polymer is synthesized; a hydrophobic photosensitizer monomer is synthesized; a photosensitive amphiphilic block copolymer isprepared; and the photosensitive amphiphilic block copolymer supported spice is prepared. The method disclosed by the invention adopts the photosensitive amphiphilic block copolymer to encapsulate aspice and prepare the photoresponsive slow-release spice, thereby solving the problems that the spice is unstable and easy to volatilize and the release process of the spice is uncontrollable.
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI

Flower fragrance type cigarette

The invention relates to a flower fragrance type cigarette, belongs to the technical field of tobacco, and particularly relates to application of rose essential oil powder serving as feed liquid to cigarette product processing, wherein the adding amount of the rose essential oil powder is 0.05%-0.5% in percentage by weight. The rose essential oil powder is obtained by the following steps: preparing rose essential oil powder; the preparation method comprises the following steps: (1) adding trehalose, sucrose and glucose in a mass ratio of (0-2): 1: (1-2) into water accounting for 1-5% of the mass of the three substances, heating to 90-95 DEG C, cooling to 40-50 DEG C, adding rose essential oil accounting for 1-28% of the mass of the three substances, and carrying out high-pressure homogenization to form rose essential oil emulsion; and (2) uniformly spreading the rose essential oil emulsion in a stainless steel plate, freezing at-20 to-25 DEG C, and carrying out vacuum freeze-drying crushing to obtain rose essential oil powder. The rose essential oil powder is used as an additive to be applied to the paper-making reconstituted tobacco coating process, the weight percentage of the rose essential oil powder is 0.02%-0.1%, and the rose essential oil powder can increase the sweetness and fragrance of fruits, improve the cigarette quality, make the aftertaste comfortable, reduce irritation and improve the oral cavity wettability.
Owner:唐国军

High-mill-temperature cement grinding aid and preparation method thereof

The invention relates to the field of cement grinding aids and in particular relates to a high-mill-temperature cement grinding aid and a preparation method thereof. The high-mill-temperature cement grinding aid is characterized by being prepared from the following components in parts by mass: 30 to 60 parts of a mixed solution of aliphatic sodium sulfonate and aluminum sulfate, 1 to 10 parts of triethanolamine, 5 to 10 parts of alcamines, 1 to 10 parts of sodium tripolyphosphate, 1 to 10 parts of sodium gluconate, 0.1 to 5 parts of a dispersant and 10 to 30 parts of water. By adopting the high-mill-temperature cement grinding aid provided by the invention, the surface energy of a material can be reduced and an aggregation effect generated by molecular attraction is weakened; accelerated expansion of particle cracks are facilitated when an external force acts, so that the grinding efficiency is improved and the aims of high quality, energy saving and high yield of a ball mill are realized; the fineness of cement can be reduced and the output per machine hour of the ball mill can be improved.
Owner:NINGXIA PAGODA CHEM CENT LAB CO LTD

Plant acne removing and inhibiting laundry detergent and preparation method thereof

Relating to the field of laundry detergents, the invention discloses a plant acne removing and inhibiting laundry detergent and a preparation method thereof. The laundry detergent comprises the following components by weight: 8-25% of vegetable oil A, 8-25% of a surfactant, 1-5% of alkali, 10-25% of a traditional Chinese medicine extract, 0.3-1.5% of vegetable oil B, and the balance water. The laundry detergent disclosed by the invention is prepared from pure natural plant extract liquor, has the efficacy of efficient mite removing, sterilization and mite inhibition, has moderate foams, is mild, has high cleaning power, does not damage clothing materials or skin, also can soften fabrics, and is easy to biodegrade. Moreover, through the mutual compatibility of multiple components, the problems that currently traditional Chinese medicine extracts are sensitive to light, air, temperature and the like and easily deteriorate can be solved, also the problem that vegetable oil B easily volatilizes can also be solved, the shelf life of the laundry detergent is prolonged, and the stability of the laundry detergent is improved.
Owner:广州香枝化妆品有限公司

Application of carboxylate compound as absorbent for capturing carbon dioxide

The invention discloses application of a carboxylate compound as an absorbent for capturing carbon dioxide. The carboxylate compound provided by the invention is used as an absorbent for capturing carbon dioxide and / or is applied to preparation of the absorbent for capturing carbon dioxide; carboxylic acid anions in the carboxylate compound are carboxylate radicals with carbon chains with more than 3 carbon atoms, and cations are substituted quaternary ammonium ions and / or quaternary phosphonium ions. The method for efficiently trapping carbon dioxide in an energy-saving manner by adopting a carboxylate compound stable to water comprises the following steps: placing an aqueous solution of the carboxylate compound in a carbon dioxide atmosphere to absorb carbon dioxide, so as to obtain a conjugate of carboxylate and carbon dioxide separated out from water. The invention is used for solving the problems of corrosivity, volatility and high energy consumption of the existing system, and can obtain higher carbon dioxide capture capacity at high temperature, low pressure of carbon dioxide pressure and high pressure; the conjugate of carboxylate and carbon dioxide is stable to water; the carboxylate can be regenerated.
Owner:BEIJING YUTAN TECH CO LTD

Tie Guanyin cooling liquid particle essence and preparation method and application of Tie Guanyin cooling liquid particle essence to cigarette

InactiveCN109135933ASolve volatileSolve the problem of volatile flavor substancesTobacco preparationTobacco treatmentFlavorDistillation
The invention provides a Tie Guanyin cooling liquid particle essence and a preparation method and an application of the Tie Guanyin cooling liquid particle essence to a cigarette. The preparation method comprises the following steps: 1), mixing and grinding a Tie Guanyin tea leaf and water to obtain a Tie Guanyin pulp; 2), adding the Tie Guanyin pulp into a rotary cone distillation column, introducing vapor from the bottom part of the rotary cone distillation column, extracting the fragrance through the vapor, then discharging the vapor outside the rotary cone distillation column, and condensing; and 3), forming the particle essence by adopting a coating material and a condensed material in the step 2). The application of the invention provides the Tie Guanyin cooling liquid particle essence and the preparation method and the application of the Tie Guanyin cooling liquid particle essence to the cigarette, the problem that the flavor substance is volatile if the common liquid essence isat the long-term preservation state is solved, the SCC tea extracting process is introduced into the field of the cigarette essence, the fresh tea fragrance is provided particularly without changingthe style of the fragrance of the cigarette, the smoke is smoother, and the fragrance is sweeter.
Owner:上海宝开生物科技有限公司

Ph value testing liquid and preparation method thereof

The invention discloses a pH value testing liquid with the testing range of 4.6-7.6 and a preparation method of the pH value testing liquid. The invention provides a testing liquid which is convenient in testing, rapid in developing, good in stability and hard to splash and leak, and a preparation method of the testing liquid. The testing liquid comprises the following components by weight percent: 50-60% of an organic solvent, 0.5-3% of a thickening agent, 0.5-1% of an antioxidant, 1-2% of ethoxychrysoidine, 2-3% of litmus, 0.5-1% of bromcresol purple, 0.5-1% of neutral red, 0.2-0.5% of methylene blue and the balance of distilled water. After the testing liquid is used, the gradient change of agent color can be displayed when the accuracy change of the pH value difference which can be observed visually is 0.2; the testing liquid is convenient in testing, rapid in developing, good in stability, hard to splash and leak and low in price, is suitable for the quick test in the pH value change range outside a laboratory, and can be used in the fields of food safety, medicine detection, environmental protection, water quality monitoring, industrial production, criminal assay and the like which need to rapidly and accurately testing the pH value of solution to be tested outside the laboratory.
Owner:江苏广海检验检测有限公司

Fiber filtering membrane solid-liquid microextraction method and device

The invention discloses a fiber filtering membrane solid-liquid microextraction method and a device. The fiber filtering membrane solid-liquid microextraction method comprises the following steps that: fiber filtering membranes cut into small pieces are put into a extracting solvent, so as to be soaked and ensure that micropores are filled with solvent; the filtering membranes filled with the solvent are put into a sample solution, so that target analyte is extracted; the filtering membranes are taken out after the extraction; the target analyte on the filtering membranes is dissolved through the solvent or solution; assay determination is performed. The solid-liquid microextraction method is simple and rapid, with a low organic solvent use level and high enrichment multiple, and is applied to the extraction, separation, purification and concentration of trace target analyte in complex samples.
Owner:SHANXI MEDICAL UNIV

Method and equipment for industrially producing clean liquid fuel by utilizing household waste or sludge press water

The invention relates to a method and equipment for industrially producing a clean liquid fuel by utilizing household waste or sludge press water. The equipment mainly comprises an adjusting kettle, a filtering tank, an impurity removing tank, a descaling tank, a multifunctional reaction kettle and a semi-finished product and product tank which are arranged sequentially in a technological process. In addition, the invention further discloses a method for producing AB-level secondary clean liquid dye in the equipment. The combustion temperature of the clean dye can reach up to 1000 to 1500 DEG C. The method and the equipment provided by the invention have the advantages of no secondary pollution in production process, less investment and low cost, environmental protection, waste utilization, energy conservation and efficacy enhancement, thereby being a novel environmental protection project. Therefore, the method and the equipment provided by the invention can be widely applied to treatment of municipal solid waste in China at present, and have significant social effects.
Owner:SHENZHEN RENJI NEW ENERGY DEV

Germanium-arsenic-selenium-tellurium (GeAsSeTe) powder for semiconductor memory, target material and preparation method of GeAsSeTe powder

The invention discloses a preparation method of GeAsSeTe powder for a semiconductor memory, and belongs to the field of phase change materials. In the preparation method of the GeAsSeTe powder, the four elements of Ge, As, Se and Te are mixed in pairs to prepare three binary alloys, so that high requirements of subsequent powder products on equipment are reduced, and meanwhile, the problems that Se and Te are easy to volatilize and are non-uniformly alloyed with the other two elements are solved. The temperature in the preparation process of the GeAsSeTe powder is low, the situation that due to element volatilization, the component proportion of alloy is not uniform is avoided, the alloying degree of the obtained product is high, the oxygen content is low, and the industrial production requirement is met. The preparation method does not need a vacuum closed environment, the reaction process is simple, the reaction container can be repeatedly used, and the economic cost is low. The invention also discloses the GeAsSeTe powder prepared by the preparation method of the GeAsSeTe powder for the semiconductor memory and a GeAsSeTe target material further prepared from the GeAsSeTe powder. The GeAsSeTe target material has the advantages of high density, uniform components, low oxygen content and the like.
Owner:XIANDAO THIN FILM MATERIALS GUANGDONG CO LTD

Method for catalyzing coke-carbon dioxide gasification based on chemical-looping principles

The invention specifically discloses a method for catalyzing coke-carbon dioxide gasification based on chemical-looping principles, belonging to the field of coal gasification. The method comprises the following steps: conveying a catalyst into a gasification furnace for contact with a raw coke material so as to realize coke-carbon dioxide gasification, wherein the catalyst releases oxygen duringgasification; conveying the catalyst having released oxygen into a calciner for calcining so as to reduce the structure of the catalyst; and conveying the catalyst into the gasification furnace for participation in coke-carbon dioxide gasification again. The method can realize cyclic utilization of the catalyst during catalytic oxidation and calcining reduction, improves the recycling rate of thecatalyst and has the advantages of high recycling rate, easiness, reliability, convenience in implementation, etc.
Owner:HUAZHONG UNIV OF SCI & TECH

Ferrocenyl ruthenium metal cluster as well as preparation method and application thereof

The invention discloses a ferrocenyl ruthenium metal cluster as well as a preparation method and an application thereof. The structural formula of the cluster is shown in the description, wherein R1 is not equal to R2, R3 is not equal to R4, only two of R1, R2, R3 and R4 are ferrocenyls, the other two are 2-thienylcarbonyl, 4-nitrobenzoyl, 4-aminobenzoyl or benzoyl, or one is 4-nitrobenzoyl and the other is 4-aminobenzoyl; or only two of R1, R2, R3 and R4 are ferrocenylformyl, and the other two are 2-thienyl, 4-nitrophenyl or phenyl. The mobility and volatility of the ferrocenyl ruthenium metal cluster as a combustion rate catalyst are reduced while the iron content is guaranteed, and the ferrocenyl ruthenium metal cluster has higher formation heat and combustion heat and has a better combustion catalysis effect on the thermolysis process of AP. The cluster is simple to prepare, has high catalytic activity and can remarkably increase the thermolysis temperature of AP and increase decomposition heat.
Owner:SHAANXI NORMAL UNIV

Roller coating method used in polyolefin thermoplastic elastomer products

The invention discloses a roller coating technology method used in polyolefin thermoplastic elastomer products. The method comprises the steps that firstly, TPO materials with PP foam are conveyed to the position between a transmission steel roller and a first steel roller, and the PP foam face faces the first steel roller and a second steel roller; then, the distance between the first steel roller and the second steel roller is adjusted according to the hot melt adhesive coating thickness, infrared heating devices are arranged in the first steel roller and the second steel roller, a solid hot melt adhesive is melted through a double-roller open mill, the hot melt adhesive flows into the part between the heated first steel roller and the heated second steel roller, and the surface of the PP foam is coated with the melted hot melt adhesive; and finally, finished TPO products subjected to roller coating are automatically conveyed out through the transmission steel roller. A traditional solvent type adhesive spraying technology is replaced with the roller coating technology, the procedure of printing PU back paint on the TPO back face is omitted, the procedure of spraying of a PP framework adhesive is omitted, and automobile VOC is reduced; and the health of producers is protected, the air pollution is reduced, and the production efficiency is improved.
Owner:BENECKE CHANGSHUN AUTO TRIMZHANGJIAGANG
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