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66results about How to "Easy to form large-scale production" patented technology
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Method for preparing tungsten-containing alumina ceramic heating substrate
The invention provides a method for preparing a tungsten-containing alumina ceramic heating substrate, and relates to a method for preparing a ceramic heating element. The invention is capable of solving the problems of poor wettability on powder by a solvent (water), difficult defoaming on slurry, slow volatilization, long drying time, poor bonding force of ceramic and metal level after sintering during an aqueous tape-casting process. The method for preparing the tungsten-containing alumina ceramic heating substrate can substantially enhance the sintering qualification rate and production efficiency. The method comprises the following steps: preparing a premix compound and tungsten slurry, ball milling, tape-casting, screen printing, sintering and nickel plating.
Owner:XIAMEN UNIV
Process for producing 2,3-butanediol using american artichoke as raw material by fermentation
InactiveCN101289680AWide range of plantingLow priceBacteriaMicroorganism based processesInulinPlant Tubers
The invention discloses a method of producing 2, 3-butanediol by fermenting with Jerusalem artichoke as raw material, which belongs to the biochemical technology field. The method is characterized in that preparing raw material of Jerusalem artichoke tuber to Jerusalem artichoke juice or pulp, and adding inulase in the Jerusalem artichoke juice or pulp to obtain inulin hydrolysate. Using the Jerusalem artichoke juice, the pulp or the innulin hydrolysate as a carbon source respectively, mixing the Jerusalem artichoke juice, the pulp or the innulin hydrolysate with nutrient content of sterilized inorganic salt, accessing to a strain producing the 2, 3-butanediol and obtaining higher concentration of the 2, 3-butanediol through fractional diastatic fermentation and synchronous diastatic fermentation. The method has the advantages that the raw material cost to produce the 2,3-butanediol by microbial fermentation can be reduced, the production efficiency can be improved, the ultimate density of the 2, 3-BD can be between forty-nine and one hundred and five g / L; the ultimate concentration of 49-105g / L of the 2, 3-BD can be obtained; and the final concentration sum of the 2, 3-BD and acetoin is between 60 and 115g / L.
Owner:DALIAN UNIV OF TECH
Artificial Fireproof polyvinyl chloride (PVC) leather for cushion furniture and preparation method thereof
The invention discloses artificial fireproof PVC leather for a cushion furniture, wherein the artificial fireproof PVC leather is prepared by compositing a surface rubber layer containing a fireproof additive and a cloth base subjected to fireproof processing. A sofa assembled by the artificial fireproof PVC leather and a fireproof core material is tested according to combustibility test standards of interior decoration material seats in BS5852 in the United Kingdom, and results show that the sofa accords with requirements of the standards. The invention also discloses a preparation method ofthe artificial fireproof PVC leather. The artificial fireproof PVC leather provided in the invention can be directly coated on the inner buffer material, so the cushion furniture has an excellent long-term fireproof performance, the structure of the cushion furniture is simplified, the flexibility and the elasticity required by the fireproof cushion furniture are not influenced, and a process flow for producing the fireproof cushion furniture is similar to a process flow for producing a common cushion furniture, thereby the production cost is reduced, the large scale production can be easily formed, and the popularization and the application are easy.
Owner:SICHUAN UNIV
Preparation method of silicon dioxide@ quantum dot composite nanoparticles
ActiveCN104804743AIncrease productionImprove efficiencyMaterial nanotechnologyNanoopticsFluorescenceQuantum dot
The invention discloses a preparation method of silicon dioxide@ quantum dot composite nanoparticles. The method comprises steps as follows: thiolation silicon dioxide nanoparticles are prepared firstly, and the silicon dioxide@ quantum dot composite nanoparticles are prepared with a hydrothermal method. The preparation method is simple and easy to implement, high in yield and efficiency and beneficial to large-scale production. The prepared silicon dioxide@ quantum dot composite nanoparticles comprise silicon dioxide balls with particle sizes of 50-800 nm and quantum dot particles loaded on the silicon dioxide balls. The excellent fluorescence property of quantum dots is preserved, centrifugal separation of the particles is facilitated due to the fact that the quantum dots are loaded on silicon dioxide, the aftertreatment steps during use of the quantum dots are greatly optimized and simplified, and the preparation method has a broad application prospect.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
Method for mfg. cylinder type lithium ion secondary battery
InactiveCN1787275AReduce air pressureImprove electrical performanceFinal product manufactureElectrolyte accumulators manufacturePneumatic pressureEngineering
The invention relates to a method for making a cylindrical Li-ion secondary cell, characterized in that it adopts a cylindrical case with liquid injection hole at the bottom, and making according to the steps of: putting pole group into a case, welding cathode ear at the bottom of the case, rolling grooves, dropping glue, welding anode ear and bent pole ear, putting on the cell cover and sealing; quantitatively injecting electrolyte through the bottom of the case into the cell, putting the cell upside down to connect with a chemical conversion device and charging the cell with constant current 0.1C-0.3C for 0.5h-2h, vacuumizing to negative pressure of -0.4MPaí¬0.9MPa for 1min-5min; then removing the pressure and making secondary quantitative liquid injection according to the cell weight; and finally sealing the bottom liquid injection hole by sealing ball or welding means. The invention can effectively reduce the air pressure in the cylindrical cell and improve the electric performance of the cell, safe and reliable.
Owner:TIANJIN LISHEN BATTERY
Process for preparing health-care starch toothpick
InactiveCN1356095AThere will be no phenomenon of bifurcation and breakageHard textureGum massageTooth cleaningPotato starchHigh pressure
A health-care starch toothpick is made up of corn starch, sweet potato starch, mint, imperate rhizome, dehurian angelica root, alum sorbitol, water and edible pigment through pretreating the mint, imperate rhizome and dahurian angelica root, boiling water, mixing with other, high-temp high-pressure extruding out to obtain bar, wash with clean water, freezing at -21 deg.C for 24 hrs, washing with clean water, drying at 35-40 deg.c for 24-30 hrs, cutting and sharpening. Its advantages include high hardness, health-care action to tooth, and no environmental pollution.
Owner:赵方培 +1
Method for preparing bromopentoic acid
InactiveCN1757624ASimple processEasy to form large-scale productionPreparation from carboxylic acid esters/lactonesAlkaneOrganic solvent
This invention relates to a manufacturing technique of organic compounds, or a preparation method for 5-bromo-valeric acid. Based on the method dry hydrogen bromide gas is going through a delta-valerolactone containing organic solvent, the ring of delta-valerolactone is easy to have cleavage reaction, corresponding 5-bromo-valeric acid is produced with high yield. As 5-bromo-valeric acid is hard to dissolve in alkanes, cycloalkanes and aromatic compounds solvents, cooling it below 30 DEG C, lower than the melting point of 5-bromo-valeric acid, 5-bromo-valeric acid crystallized and deposited. Then, 5-bromo-valeric acid solid with high purity is separated through filtration technique. This method has simple technique, easy to form scaled production, with wide application prospect and good economic benefit.
Owner:FUDAN UNIV
Method for continuously converting and casting oxygen-free copper ingot
The invention provides a continuous blowing and casting method of oxygen-free copper ingots, which pertains to the metal smelting and casting technical field and is carried out according to the technical steps as follows: A. cathode copper is firstly melted in a smelting furnace, and melted copper liquid enters a deoxidation furnace through a bottom blowing chute; B. carbon monoxide gas or the mixed gas of carbon monoxide and nitrogen enters the copper liquid in the bottom blowing chute through the bottom blowing chute and enters the deoxidation furnace with the copper liquid to realize the deoxidation and the degassing of a first stage; C. when passing through a diversion trench arranged in a bottom blowing furnace end, the carbon monoxide gas or the mixed gas of carbon monoxide and nitrogen enters the copper liquid in the diversion trench for realizing the deoxidation and the degassing of a second stage to the copper liquid in the diversion trench; D. the copper liquid after the second stage of deoxidation and degassing enters a crystallizer through a casting gate arranged in the bottom blowing furnace end. The oxygen content of an oxygen-free copper ingot base produced by the method of the invention can stably reach not only less than 5ppm, but also less than 3ppm.
Owner:ZHEJIANG HAILIANG
Continuous production process for tributyl citrate
ActiveCN102249916AHigh degree of automationIncrease productivityOrganic compound preparationCarboxylic acid esters preparationPtru catalystSeparation technology
The invention relates to a continuous production process for tributyl citrate, in particular to a continuous production process for refining the tributyl citrate by a membrane separation technology, and belongs to the technical field of chemical engineering. In esterification, a solid acid catalyst with the granularity of 10 to 100nm is adopted and has high activity and high reaction speed. The traditional neutralization washing, catalyst separation and reduced pressure dealcholization process is improved by the membrane separation technology, the whole technological process is continuously and automatically operated, the production efficiency is high, the product quality is stable. The catalyst separation process and the esterification process are coupled in the same system, and the problem that a fine suspended catalyst is seriously lost in the separating and recycling process is solved. By membrane separation, the energy consumption is low and the recovery efficiency of butanol is high. The equipment investment is small, and the process is suitable for large-scale production.
Owner:NANJING COLLEGE OF CHEM TECH
Chinese wolfberry fruit powder and preparation method thereof
InactiveCN102178193AKeep natural colorMaintain qualityCosmetic preparationsToilet preparationsPesticide residueAdditive ingredient
The invention relates to Chinese wolfberry fruit powder and a preparation method thereof. The preparation method of the Chinese wolfberry fruit powder comprises the following steps of: (1) selecting fresh and matured Chinese wolfberry fruits or dried Chinese wolfberry fruits, spraying with water, and removing silt, pesticide residue and other residues attached to the surfaces of the Chinese wolfberry fruits; (2) directly drying and sterilizing the cleaned fresh (dried) Chinese wolfberry fruits by adopting tunnel microwave; and (3) immediately crushing the dried Chinese wolfberry fruits by using a pulverizer to obtain a Chinese wolfberry fruit product with particle size of 80-300 meshes. In the invention, drying and crushing operations are carried out at low temperature, so that the obtained products have favorable quality, maintain the original cluster and nutrients of the fresh Chinese wolfberry fruits and have high quality. Therefore, the Chinese wolfberry fruit powder has the efficacy of tonifying the kidney, protecting liver, improving eyesight, beautifying skin, strengthening brain, expelling toxin, reducing sugar and fat, preventing osteoporosis, nourishing blood vessels and skin, prolonging life and delaying ageing after being used for a long time, which are also endowed by Chinese wolfberry.
Owner:黄杰
Method for extracting black wheat germ oil
ActiveCN103881802AWill not be damagedEasy to operateFatty-oils/fats refiningFatty-oils/fats productionSaline waterActivated carbon
The invention discloses a method for extracting black wheat germ oil. The method comprises the following steps: 1, heating a wheat germ raw material, performing heat preservation, screening, drying an oversize product at a constant temperature to obtain a pure material, performing cold pressing on the pure material, and filtering to obtain crude oil; 2, adding an alkali liquid and the crude oil into an alkali refining tank, heating, performing static settlement, and discharging precipitate to obtain an oil material; 3, heating the oil material, subsequently adding saline water, and stirring; 4, adding saline water into the stirred oil material, and stirring; 5, adding hot water into the stirred oil material, stirring, subsequently standing, and discharging water and precipitates to obtain a washed oil material; 6, putting the washed oil material into a decoloring pot, dehydrating in vacuum, subsequently adding activated carbon, stirring, decoloring, cooling and filtering; 7, performing deodorization treatment on the decolored oil material; 8, cooling the deodorized oil material, and subsequently screening to obtain the black wheat germ oil. According to the method, a three-step washing method is adopted, so that the purity of an oil product is improved; compared with oil obtained by using an ordinary washing method, the oil product has less impurities and is higher in purity.
Owner:YANGLING PIAOXIANG EDIBLE OIL & FAT
Method for producing bromo butyric acid
InactiveCN1760167ASimple processEasy to form large-scale productionPreparation from carboxylic acid esters/lactonesButyric acidGamma-Butyrolactone
A process for preparing 4-bromobutanoic acid includes such steps as filling the dried hydrogen bromide gas in the organic solvent containing gamma-butyrolactone, ring opening reaction to generate 4-bromobutanoic acid, cooling to the temp lower than 30 deg.C, crystallizing, depositing and filtering. Its advantage is high purity.
Owner:FUDAN UNIV
Hollow fiber membrane filtering assembly
InactiveCN101362053ANot easy to foulNot easy to damageSemi-permeable membranesHollow fibre membraneFiber
The invention relates to a hollow fiber porous membrane filter component which comprises a water outlet pipe connected with a water suction pump and used for discharging filtered water, a membrane bundle cup used for connecting a hollow fiber membrane bundle and communicated with the water outlet pipe by a water outlet hose, an aeration pipe communicated with air supply and provided with aeration holes on the surrounding wall, and the hollow fiber membrane bundle immersed in sewage to be treated and arranged in a U-shape form, with the two ends connected with the membrane bundle cup and the bending part arranged on the aeration pipe. The aeration holes on the aeration pipe are arranged at positions corresponding to the bending part of the hollow fiber membrane bundle. The component has the advantages that the membrane surface of the whole membrane bundle is not easy to be fouled and blocked, the connecting root part of the membrane bundle is not easy to be damaged, the structure is simple and easy to be maintained, scale production is easy to form and the like.
Owner:XIAMEN LEEBAM MEMBRANE TECH
Metal-coated powder surface alloying method
The invention relates to a metal-coated powder surface alloying method, in particular to a method for preparing composite powder by alloying on the metal-coated powder surface. The method is characterized by including performing thermal treatment in vacuum or atmosphere protection environment after metal-coated powder and alloying powder are mechanically mixed or agglomerated and coated. The prepared powder is 45-200 micrometers in particle size, and mass percentage composition of alloying elements is 1-10%. The composite powder prepared by the method can be applied to the fields of aviation, spaceflight and the like, and serves as a thermal spraying material. The powder preparation technology is simple and easy to implement, and large-scale production can be realized.
Owner:BEIJING GENERAL RES INST OF MINING & METALLURGY +1
Solar battery module for taut-string-type semi-rigid plate
ActiveCN106684183AReduce stitchingSimple welding processPhotovoltaic energy generationSemiconductor devicesElectricityGlass cover
The invention discloses a solar battery module for a taut-string-type semi-rigid plate, and relates the technology field of solar batter arrays. The solar battery module is characterized in that the module comprises at least a solar battery, and the back surface is adhesively connected to the lower surface of a first glass cover sheet by a first cover-sheet adhesive; the front surface of the solar battery is adhesively connected to the upper surface of a second glass cover sheet by a second cover-sheet adhesive; the upper surface of the first glass cover sheet adhesively connected to a bypass diode by a bypass diode adhesive, and the bypass diode is adhesively connected to a third glass cover sheet by a third glass cover sheet adhesive; a positive electrode and a negative electrode are successively connected with the bypass diode respectively by a solar battery interconnection sheet and a bypass diode interconnection strip. According to the solar battery module, highly reliable solar battery module technology is adopted, wherein the large-size single-sheet solar battery independently forms a module, and the bypass diode is installed on the cover sheet of the back surface of the battery in a penetrated mode. The solar battery module solves the problems that traditional solar battery module manufacture is complex in process and higher in cost, and obviously improves the reliability of products.
Owner:中电科蓝天科技股份有限公司
Method for preparing modified anode material of lithium ion battery
InactiveCN1803635AHigh reversible capacityImprove cycle performanceCell electrodesLithium compoundsMuffle furnaceChemistry
The preparation method for modified anode material in lithium ion cell comprises: (1) dispersing the metal salt or metal hydroxides into organic solvent, stirring at 80-90Deg, and adding LiCoO2 (LiNi(1-x)CoxO2, x=0.2 / 0.3) to form gel; (2) grinding the gel in tank for 4-8h; wherein, adding acetone, alcohol or mixed liquid by mass ratio as 10:1~20:1, and the mole measurement ratio of MyOz / LiCoO2(LiNi(1-x)CoxO2, x=0.2 / 0.3) as 0.01-0.05; (3) drying the grinded gel for 1-3h at 80-100Deg, and removing the organic solvent; (4) constant-temperature calcining the gel in muffle furnace for 6-12h at 400-600Deg, cooling naturally and obtaining the MyOzíñLiCoO2 (MyOzíñLiNixCo(1-x)O2, x=0.2 / 0.3). This invention improves the product cycle performance.
Owner:TIANJIN LISHEN BATTERY
Method for deep processing of
InactiveCN1692811AEasy to storeLow costFruit and vegetables preservationFood preparationSodium metabisulfiteSugar
A valve-added processing method for Puer vegetable includes such steps as removing impurities, immersing in the aqueous solution of sodium pyrosulfite, boiling in the aqueous solution of citric acid, cooling, packing, filling the mixture of water, sugar, salt, citric acid, VC and CaCl2, and exhausting air.
Owner:翟士斌
Preparation method of continuous carbon fiber polyetheretherketone composite material
ActiveCN109206842AImprove impregnationGood interface binding effectPoly ether ether ketoneInterface bond
The invention provides a preparation method of a continuous carbon fiber polyetheretherketone composite material. A polyetheretherketone wire material is printed into a latticed plate by a 3D printingtechnology; carbon fibers having the surface treated are coated with polyetheretherketone powder and then is evenly laid on a polyetheretherketone plate; polyetheretherketone and the number of layersof the carbon fibers are increased according to the needs, the laid material is placed in a mould, polyetheretherketone is molten and hot pressing molding is performed. The impregnation effect of thecarbon fibers and the polyetheretherketone matrix is improved, and the interface bonding between the two materials is good. Compared with compression molding, injection molding and extrusion moldingof a carbon fiber reinforced polyetheretherketone composite material, the molding is simple and feasible, the preparation cost is low, the problem of poor impregnation of fibers and a matrix is effectively solved, and defects such as pores and shrinkage do not exist inside the material are solved.
Owner:NANCHANG UNIV
Continuous processing method of nickel-titanium shape memory alloy square thin wire material
ActiveCN111346931AFine continuous machining deformationFine production efficiencyWire straightening devicesExtrusion cleaning devicesSingle plateShape-memory alloy
The invention discloses a continuous processing method of a nickel-titanium shape memory alloy square thin wire material. The continuous processing method of the nickel-titanium shape memory alloy square thin wire material comprises the following steps of: step 1) performing surface treatment on a [Phi]3 mm nickel-titanium alloy thin round wire blank; step 2) performing square hot die drawing andhot roller drawing on the nickel-titanium alloy thin round wire blank after surface treatment in step 1) to obtain a nickel-titanium alloy square thin wire material; and step 3) performing square colddie drawing and online straightening heat treatment on the nickel-titanium alloy square thin wire material in step 2) to obtain the nickel-titanium shape memory alloy square thin wire material. The nickel-titanium shape memory alloy square thin wire material obtained by the invention has high strength, good dimensional tolerance and surface quality, large single plate heavy, and high production efficiency, which completely meets the requirements of the nickel-titanium shape memory alloy wire material for medical use, has high production efficiency, and is easy to realize large-scale production.
Owner:宝鸡华沃新材料有限公司
Plastic rubber model manufacturing method and product thereof
The invention provides a method for producing plastic models. The method comprises the following steps of (2) weighing, (3) mixing, (4) coloring, (5) reclaiming materials, (6) setting a salt groove and a flume, (7) putting a mold filled with slurry into the salt groove so as to be heated and finalized, (8) releasing the mold and (9) cutting off leftover materials, so as to obtain a plastic model. The method for producing plastic model products has the advantages of simple process, convenient operation, strong repeatability and convenience for forming scale production. As an evacuating-dewatering process is added to production course, moisture contained in plastic simulation model materials is effectively removed. In addition, as the method is simple in used equipment and especially reduces the cost for the mold by nearly 3 times, the method is beneficial to the large-scale popularization and application. The invention also discloses a product adopting the method. The product is smooth and clean in surface and has no parting line, thereby effectively ensuring the appearance reality sense of simulation products.
Owner:王朝煌
Method for continuously converting and casting oxygen-free copper ingot
The invention provides a continuous blowing and casting method of oxygen-free copper ingots, which pertains to the metal smelting and casting technical field and is carried out according to the technical steps as follows: A. cathode copper is firstly melted in a smelting furnace, and melted copper liquid enters a deoxidation furnace through a bottom blowing chute; B. carbon monoxide gas or the mixed gas of carbon monoxide and nitrogen enters the copper liquid in the bottom blowing chute through the bottom blowing chute and enters the deoxidation furnace with the copper liquid to realize the deoxidation and the degassing of a first stage; C. when passing through a diversion trench arranged in a bottom blowing furnace end, the carbon monoxide gas or the mixed gas of carbon monoxide and nitrogen enters the copper liquid in the diversion trench for realizing the deoxidation and the degassing of a second stage to the copper liquid in the diversion trench; D. the copper liquid after the second stage of deoxidation and degassing enters a crystallizer through a casting gate arranged in the bottom blowing furnace end. The oxygen content of an oxygen-free copper ingot base produced by the method of the invention can stably reach not only less than 5ppm, but also less than 3ppm.
Owner:甘肃海亮新能源材料有限公司 +1
Drug injectant for curing dairy cow mastitis and preparation method and application thereof
InactiveCN106267193AReduce adverse reactionsEffective treatmentAntibacterial agentsEgg immunoglobulinsDiseaseSide effect
The invention discloses a drug injectant for curing dairy cow mastitis. The drug injectant comprises a specific anti-DP-BM-IgY egg yolk antibody and an extracting solution of a traditional Chinese medicine composition, and relates to an injectant for breasts. The invention further provides a preparation method and application of the drug injectant. The rug injectant provided by the invention has the beneficial effects as followings: the specific anti-DP-BM-IgY egg yolk antibody can be used for killing main pathogenic bacteria of dairy cow mastitis directionally, plays an obvious curative role on various of mastititides, and has the characteristics of stable quality, strong specificity, zero residue and no resistance to drugs; the traditional Chinese medicine composition also has the efficacies of dissipating blood stasis and relieving pain, repelling poison and dispelling pus, cooling blood and relieving swelling, resisting bacterium and eliminating inflammation, and enhancing immunity; the drug injectant for breasts, obtained through combination, can be directly applied into breasts locally, the targeting effect is better, therefore, bioavailability and drug therapeutic effect are improved, the treatment for diseases is more effective and accurate, the whole body toxic and side effects caused by drugs can be lowered, adverse drug reactions are reduced, the use is convenient, the compliance is good, and the safety in use is enhanced.
Owner:LANZHOU INST OF ANIMAL SCI & VETERINARY PHARMA OF CAAS
Reduction method of diphenyl methyl ketone kind compound
InactiveCN1868982AAchieve recyclingSimple reaction conditionsHydrocarbon by hydrogenationDiphenylmethaneCompound a
A reducing process for diphenyl methanone compounds is a great improvement to famous Clemmensen reduction reaction and Wolf-Kishner-Huang reduction reaction. It includes such steps as dripping the aqueous solution of alkali into the mixture of diphenyl methanone compound, Ni-Al alloy and water under stirring and heating, reaction between the aqueous solution of alkali and Ni-Al alloy to generate H2, and hydroreducing the diphenyl methanone to generate diphenyl methane whose carbonyl has been reduced.
Owner:FUDAN UNIV
Compound probiotics and preparation method thereof
InactiveCN112438402APromote growth and reproductionPromote value-added growthLactobacillusStrepto/lacto-coccusBifidobacteriumIntestinal digestion
The invention discloses compound probiotics and a preparation method thereof. The compound probiotics are prepared from the following raw materials in parts by weight: lactobacillus plantarum, bacillus, bifidobacterium, lactobacillus rhamnosus, streptococcus thermophilus, lactobacillus reuteri, lactobacillus fermentum, azospirillum brasilense, lactobacillus delbrueckii, vitamin C and prebiotics, the weighed raw materials are mixed to obtain a mixture, and the mixture is ground to obtain the compound probiotics. The compound probiotics can effectively adjust intestinal flora, promote proliferation and growth of the probiotics in the intestinal tract, guarantee the viable count of the probiotics in the intestinal tract and enhance the health-care function, the probiotics are combined with prebiotics, dietary fibers and the like, mutual promotion is achieved, a good synergistic effect is achieved, the compound probiotics can eliminate discomfort for general gastrointestinal digestive discomfort symptoms, and is simple in production process, low in cost and easy to form large-scale production.
Owner:RUGBY (GUANGDONG) HEALTH TECH CO LTD +1
Medicine for repairing intestinal mucosa and improving mucosa immune function and preparation method of medicine
PendingCN113813373AReduce congestionIncrease heightPeptide/protein ingredientsDigestive systemLocal immunitySpecific immunity
The invention provides a pharmaceutical composition for repairing an intestinal mucosa and improving a mucosa immune function for poultry. The pharmaceutical composition is prepared from the following components in parts by weight: 5 to 10 parts of arteannuic acid, 8 to 12 parts of quinine hydrochloride, 4 to 10 parts of a solanum lyratum extract, 6 to 10 parts of a bidens pilosa extract, 3 to 8 parts of lysozyme, 8 to 15 parts of citric acid, 10 to 20 parts of chitosan and the balance of a carrier. According to the pharmaceutical composition provided by the invention, through protecting a cecum gland structure of an infected chick, the development of intestinal tissues is promoted, and the integrity of the intestinal mucosa is protected, so that absorption and digestion functions of intestinal tracts are recovered, and the weight gain rate of chicks is increased; and the proliferation of pathogenic bacteria in the intestinal tracts is reduced through a specific immune way, the local immune function of intestinal mucosa is enhanced, and the healing and recovery of intestinal mucosa injury are promoted. The pharmaceutical composition provided by the invention has a good prevention and treatment effect on intestinal mucosa injury and hemorrhagic diarrhea caused by mixed infection of chicken coccidiosis and secondary colibacillosis.
Owner:LANZHOU INST OF ANIMAL SCI & VETERINARY PHARMA OF CAAS
Furnace for converting and casting oxygen-free copper ingot
ActiveCN101274364BReasonable designSimple structureFurnace typesElectric heating for furnacesBrickManufacturing technology
Owner:甘肃海亮新能源材料有限公司 +1
A preparation method of silica@quantum dot composite nanoparticles
ActiveCN104804743BIncrease productionImprove efficiencyMaterial nanotechnologyNanoopticsFluorescenceQuantum dot
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
Method for preparing 1,2-cyclohexanediol through carrying out catalytic oxidation on cyclohexene by using phase transfer catalyst
ActiveCN103265405BReduce pollutionHigh catalytic activityPreparation by hydroxy group additionOrganic solventCombustion
The invention relates to a method for preparing 1,2-cyclohexanediol through carrying out catalytic oxidation on cyclohexene by using a phase transfer catalyst. 1,2-cyclohexanediol is prepared through carrying out catalytic oxidation on cyclohexene by taking quaternary ammonium decatungstate as the phase transfer catalyst, phosphoric acid as a catalyst promoter and hydrogen peroxide as an oxidizing agent. The method has the advantages that toxic and harmful organic solvents such as acetonitrile, methylbenzene and methanoic acid are not used as reaction media, the environment pollution is reduced, the risk of combustion explosion generated in the reaction process is reduced, and large-scale production is easy to realize; the used catalyst, i.e., quaternary ammonium decatungstate, has high catalytic activity; and 1,2-cyclohexanediol is simple in preparation process, convenient to separate and recycle and favorable in application prospect.
Owner:BEIJING RISUN TECH CO LTD
Method for making 6-bromocaproic acid
InactiveCN1865218ASimple processEasy to form large-scale productionOrganic compound preparationPreparation from carboxylic acid esters/lactonesAlkaneAromatic solvent
This invention relates to a method for producing 6-bromohexanoic acid, belonging to the organic compound production technology field.Wherein: vent the dry hydrogen bromide gas directly to the organic solvent containing sigma-caprolactone which can easily generate ring-opening reaction, to produce corresponding 6-bromohexanoic acid with high yield. Since 6-bromohexanoic acid is hard to dissolve in alkane, naphthene and aromatic solvent, it can cool the temperature below 30Deg C which is below the melting point of 6-bromohexanoic acid, to cause the 6-bromohexanoic acid to be crystals and obtain the precipitant. And then obtain the high-purity 6-bromohexanoic acid solid by filtration. This method is characterized of simple process, easy for mass production, broad application future and good economic benefits.
Owner:FUDAN UNIV
Removal of environmental pollutant tetrabro-bisphenol A
InactiveCN100366350CAchieve recyclingSimple processSolid waste disposalWater contaminantsTetrabromobisphenol AHydrogen
Method for removing environmental pollutant ethylene bisphenol A is carried out by dripping carbonate solution into ethylene bisphenol A, Ni-Al alloy and solution while agitating and heating, reacting Ni-Al alloy with carbonate solution to produce hydrogen, reducing and debrominating ethylene bisphenol A into reactive product bisphenol A. It is simple and convenient, has higher reutilization and no environmental pollution.
Owner:FUDAN UNIV
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