Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
45results about How to "Impurities are simple" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Luminous metal-organic framework material with chemical sensing function as well as preparation method and application thereof
InactiveCN103242352AHigh purityImprove stabilityChemiluminescene/bioluminescenceFluorescence/phosphorescenceOrganic solventMetal-organic framework
The invention relates to a luminous metal-organic framework material with a chemical sensing function, a preparation method of the luminous metal-organic framework material, and an application of the material in detection of nitrobenzene organic matters. The preparation method comprises the following steps of: dissolving 5-(4-pyridyl)-1, 3-phthalic acid and zinc salt into an organic solvent in a certain proportion; and then synthesizing in a solvothermal way so as to obtain the luminous metal-organic framework material. The preparation method is simple in preparation process, high in material purity and excellent in stability. The synthesized metal organic framework material has the maximum emission wavelength of 381nm in water, and the fluorescence intensity of the synthesized metal organic framework material is gradually reduced as the unceasing increase of the concentration of the nitrobenzene organic matters, therefore, the material can be well applied to the detection of the nitrobenzene organic matters, and has the advantages of being fast in speed, simple, convenient, great in selectivity, high in sensitivity, etc.
Owner:LIAOCHENG UNIV
Metallized-film capacitor sealing agent
InactiveCN102367331AImprove electrical performanceImprove moisture resistanceOther chemical processesWaxPolymer science
The invention provides a metallized-film capacitor sealing agent composed of components of, by weight: 40 to 60 parts of petroleum wax, 10 to 15 parts of polyisobutylene, 20 to 30 parts of vaseline, 10 to 15 parts of mica powder, 10 to 15 parts of vermiculite powder, 10 to 15 parts of sulfur, 3 to 5 parts of straw ash, and 10 to 15 parts of attapulgite. The metallized-film capacitor sealing agentprovided by the invention has good toughness and plasticity, excellent electrical properties, and appropriate kinematical viscosity. With the sealing agent, gaps between metallized-film capacitors can be conveniently filled.
Owner:TONGLING XINTAI ELECTRIC APP & CAPACITOR
Preparation method for high-gel stable isolated soy protein
ActiveCN102429092AHigh strengthImprove gelationVegetable proteins working-upHigh humidityIsolated Soy Protein
The invention discloses a preparation method for high-gel stable isolated soy protein, and relates to a modified processing technology for isolated soy protein. Industry common problems that gel-type isolated soy protein produced by present soy protein production enterprises has low gel stability in storage and transportation, particularly ocean transportation, the quality of final products is remarkably reduced, great economic loss is brought to the enterprises and the like are solved. In the preparation method, specific reaction conditions are adopted, particularly a unique step-type covalent modification reaction is utilized, namely the high-gel stable isolated soy protein is prepared by reacting at a high temperature and high humidity first and then reacting at a low temperature and low humidity. Compared with the common isolated soy protein under the same condition of the storage period of 6 months, the high-gel stable isolated soy protein prepared by the preparation method has the advantages that: the gel performance is only reduced by 17 to 20 percent, and the gel stability is improved by 31 to 35 percent. The invention has the advantages that: the preparation process is simple, easy to operate, short in period, and suitable for industrial production; complex equipment is not required; and the product performance obviously improved.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY
Preparation method for nano-crystallization low-alloy heat-resistant high-strength steel mould
The invention relates to a preparation method for a nano-crystallization low-alloy heat-resistant high-strength steel mould. The preparation method comprises the following steps: (1) preparing low-alloy steel from the following components in percentage by weight: 0.09-0.15% of C, 1.35-1.55% of Cr, 0.22-0.28% of Si, 0.33-0.38% of Mn, 0.17-0.24% of Mo, 0.05-0.15% of Ni, 0.05-0.08% of Nb, 0.15-0.35% of V, less than or equal to 0.010% of P, less than or equal to 0.010% of S and the balance of Fe and inevitable impurities; (2) processing the low-alloy steel obtained in the step (1) into a required dimension and a required shape, thereby obtaining a low-alloy steel mould; and (3) carrying out surface nanocrystallization treatment on the low-alloy steel mould prepared in the step (2). The nano-crystallization low-alloy heat-resistant high-strength steel mould prepared by the preparation method disclosed by the invention is improved in heat resistance and corrosion resistance; and meanwhile, the varieties of the alloys are reduced, the impurity components are simpler and easy to control, and a nitride effective penetrating layer is remarkably increased in thickness.
Owner:SHANGHAI HAN MOLDING SHAPE CO LTD
Long-service-life lining material for whole pipeline of large and medium sized blast furnace hot blast stove
The invention relates to a long-service-life lining material for a whole pipeline for a large and medium sized blast furnace hot blast stove. The lining material comprises a permanent lining and a work lining, wherein the permanent lining and the work lining are respectively formed by casting and baking a substrate-purified high-intensity micro-pore light material and a substrate-purified high-intensity mullite material. The lining material provided by the invention can solve the technical problem that the lining material of the large and medium-sized blast furnace hot blast stove in the prior art is easy to crack, collapse and deform due to being subjected to high temperature of 1200-1300 DEG C, frequent temperature fluctuation and high-speed alkali-containing and carbon medium-containing hot air erosion for a long term. After a hot air stove pipeline having the safety lining and the work lining is used, the service life of the hot air stove pipeline can be observably prolonged, the stop time for repairing can be reduced, and the production efficiency can be greatly improved, so that the lining material is huge in economic benefit and social benefit.
Owner:任健均
Preparation method of surface nanocrystallization low-alloy steel mold
The present invention relates to a preparation method of a surface nanocrystallization low-alloy steel mold. The method comprises the steps of: (1) preparing low-alloy steel from the following components in weight percent: 0.08-0.12% of C, 1.20-1.45% of Cr, 0.40-0.45% of Si, 0.33-0.38% of Mn, 0.17-0.24% of Mo, 0.05-0.15% of Ni, 0.05-0.08% of Nb, 0.15-0.35% of Pd, no more than 0.010% of P, no more than 0.010% of S, and the balance of Fe and unavoidable impurities; (2) processing the low-alloy steel obtained in the step (1) into desired size and shape, so as to prepare the low-alloy steel mold; and (3) codcnuting to surface nanocrystallization on the low-alloy steel mold prepared in step (2). The surface nanocrystallization low-alloy steel mold provided by the present invention has improved heat resistance and corrosion resistance, reduces the species of alloy, and realizes simple and easily controlled impurities and significantly increased thickness of effective permeability layer of nitride.
Owner:SHANGHAI HAN MOLDING SHAPE CO LTD
Wax for micro-electronic product and method of producing the same
InactiveCN101367999AHigh purityImpurities are simpleWax adhesivesMicrocrystalline waxAutomatic control
The invention provides wax used for microelectronic products, and a preparation method thereof; the wax comprises the following components: Brazil wax, rosin, cera flava, Carnanba wax and microcrystal wax, wherein, the weight percent of Brazil wax is 30 percent to 40 percent, the weight percent of rosin is 10 percent to 15 percent, the weight percent of cera flava is 10 percent to 15 percent, the weight percent of Carnanba wax is 10 percent to 15 percent, and the rest is microcrystal wax; the wax is prepared with non-toxic environment protective raw materials, is good for maintaining the health of production operators and not inflammable, has good safety, and is convenient to be used and transported; during the production process, the automatic control and adjustment of temperature raising and stirring improves the product stability, consistency and reliability; the wax is produced in Class 1000 clean production environment, which prevents introducing foreign pollutants, dust, particles and the like during processing, effectively improves product purity and ensuring the surface polishing quality of the microelectronic products.
Owner:JIANGSU HAIXUN IND GROUP SHARE
Tough mullite bricks for warm air ducts
The invention discloses tough mullite bricks for warm air ducts, which are characterized by being prepared from 5 to 40 weight percent of sintered mullite, 5 to 30 weight percent of sillimanite, 5 to 30 weight percent of andalusite, 5 to 30 weight percent of platy corundum, 4 to 15 weight percent of tough additive and 3 to 10 weight percent of binding clay. The tough mullite bricks combine the high performance of low-creep bricks, andalusite bricks, mullite bricks and the like for blast ovens, and have high toughness, thermal volume stability, thermal shock resistance (the thermal shock resistance under water cooling temperature of 1,100 DEG C is more than or equal to 40), wear resistance and corrosion resistance at high temperature, low impurity content and other high performance. Meanwhile, the product has CO corrosion resistance and therefore can meet the requirements of large and medium warm air ducts of blast furnaces for long life.
Solar panel preparing method
ActiveCN102315309AImpurities are simpleSolve the problem of impuritiesFinal product manufacturePhotovoltaic energy generationOptoelectronicsSolar battery
The invention provides a solar panel preparing method, which comprises the steps of: a, preparing a-Si:H film on the surface of a silicon chip after texturing; b, treating the silicon chip containing the a-Si:H film on the surface obtained in the step a at 800 to 900 DEG C for 60 to 120 min; and c, carrying out corrosion treatment on the surface of the silicon chip treated through high temperature. The solar panel preparing method has the advantages that a layer of a-Si:H film is deposited on the back surface of the silicon chip after the texturing, the problems of many impurities and micro defects in the silicon chip can be perfectly solved, the electrochemical performance such as the service life, the photoelectric conversion efficiency and the like of solar panels is improved, in addition, good back side and body passivation effects can be realized, the current and voltage (I-V) character of solar batteries is improved, and simultaneously, the process is simple and is easy to implement.
Owner:BYD CO LTD
Device and method for detecting impurities and defects of toughened glass curtain wall on spot
PendingCN110596123AQuick fixSmall sizeTransmission systemsOptically investigating flaws/contaminationHuman–machine interfaceComputer module
The invention discloses a device for detecting impurities and defects of a toughened glass curtain wall on spot, and the device comprises a polarized light source, a detection host and a connection line, wherein the polarization light source and the detection host are connected by the connection line; the polarized light source comprises a polarizer, an LED light source, a first power module, a first wireless communication module, a first control module, an iron plate for attracting a magnet, and a first housing, and is used for forming linearly polarized light; the detection host comprises animage acquisition module, a human-machine interface module, a second power module, a second wireless communication module, a second control module, a magnet, and a second casing, and is used to collect a photo-elastic image and an original image, and analyze and determine the information of impurities and defects about the type, size, and location. The invention is suitable for detecting impurities and defects on a serviced tempered glass curtain wall on spot.
Owner:BEIJING AOPTEK SCI +2
Solution casting method
A solution casting method comprises the following steps of: dissolving a solute in a solvent to prepare a casting solution; preparing a casting plate by float glass; arranging a heating device on an insulation base plate; arranging a rack on the periphery of the heating device and putting the casting plate on the rack; arranging a cooling water jacket on the insulation base plate, and letting the cooling water jacket encircle the heating device, the rack and the casting plate; arranging a condensed solvent collecting tank at the bottom of the cooling water jacket; pouring the casting solution into the casting plate; arranging an insulation top cover over the cooling water jacket, and sealing the internal space encircled by the cooling water jacket and the insulation base plate; starting the heating device to heat the casting solution so as to completely evaporate the solvent in the casting solution; continuously heating to further raise crystallization degree of a film; stopping heating, and peeling the film off from the casting plate; detecting the film thickness, adjusting the heating field, and raising thickness uniformity of the finished product film. The method provided by the invention has advantages of simple technology, cheap equipment and low film preparation cost. the finished product film has advantages of high degree of crystallization, isotropy, uniform thickness, few impurities, good appearance, high yield and the like.
Owner:山西金能世纪科技有限公司
Novel metalized film capacitor encapsulation wax
InactiveCN102382473AExcellent electrical performanceImprove moisture resistanceOther chemical processesWaxVaseline
The invention provides a novel metalized film capacitor encapsulation wax, comprising the following components in parts by weight: 40 to 60 parts of petroleum wax, 10 to 15 parts of polyisobutene, 20 to 30 parts of Vaseline, 10 to 15 parts of sulphur, 10 to 15 parts of mica powder and 3 to 5 parts of straw ash. The metalized film capacitor encapsulation wax has good ductility, excellent electrical property and appropriate kinematic viscosity, and is convenient to fill clearances of a metalized film capacitor.
Owner:ANHUI JIANGWEI PRECISION IND
Highly-efficient oil-water separating device
InactiveCN106430665AReduce processing timeProcessing speedMultistage water/sewage treatmentCycloneDraining tube
Provided is a highly-efficient oil-water separating device. The highly-efficient oil-water separating device comprises a pretreatment chamber, an oil-water separating chamber, a taper type cyclone separator and an oil collecting chamber, wherein the upper end of the pretreatment chamber is provided with a water inlet pipe, the pretreatment chamber is connected to a water pump through a first pipeline at the bottom end of the pretreatment chamber, the water pump is connected to the left lower end of the oil-water separating chamber through a second pipeline, the left upper end of the oil-water separating chamber is connected to the oil collecting chamber through a third pipeline, the right upper end of the oil-water separating chamber is connected to the left upper end of the taper type cyclone separator through a fourth pipeline, the right upper end of the taper type cyclone separator is provided with an oil exit pipe, and the bottom end of the taper type cyclone separator is provided with a drain pipe. The highly-efficient oil-water separating device is high in treating speed and good in effect, and can effectively remove solid impurities in oil-water mixed liquor.
Owner:HARBIN JINDU SOLAR ENERGY TECH
Method for cleaning first mirror for tokamak device by direct-current cascade arc plasma torch
InactiveCN104772306AMethod steps scienceSimple structureFlexible article cleaningPlasma torchReflectivity
The invention provides a method for cleaning a first mirror for a tokamak device by a direct-current cascade arc plasma torch. The method for cleaning the first mirror for the tokamak device by the direct-current cascade arc plasma torch comprises the following steps of presetting a working gas and measuring the emission spectrum of a standard lamp; turning on a vacuum apparatus, a water cooling apparatus and a gas inlet apparatus in succession, and completing the preparatory work of the discharging of the direct-current cascade arc plasma torch; discharging to generate the direct-current cascade arc plasma torch, and cleaning a sample of the first mirror; changing a relevant cleaning parameter to carry out personalized cleaning on the sample of the first mirror; detecting the recovery condition of the reflectivity of the sample of the first mirror in situ after the cleaning is carried out for a certain time, and determining whether to clean continuously or not according to a detection result; if the continuous cleaning is needed, repeatedly cleaning until cleaning requirements are met. The direct-current cascade arc plasma torch adopted for the method for cleaning the first mirror for the tokamak device by the direct-current cascade arc plasma torch is many in adjustable discharging parameter, good in directionality and free from impurity; the large-area, long-distance, uniform and quick removal of an impurity sedimentary formation on the surface of the first mirror can be realized; the on-line detection of the reflectivity is completed.
Owner:DALIAN UNIV OF TECH
Sealing paste of metallized film capacitor
InactiveCN102504550AImprove electrical performanceImprove moisture resistanceOther chemical processesFixed capacitor housing/encapsulationWaxMetallised film
Owner:TONGLING XINTAI ELECTRIC APP & CAPACITOR
Nanoparticle transformer oil with good wear resistance and stability, and preparation method thereof
The invention discloses a nanoparticle transformer oil with good wear resistance and stability, and a preparation method thereof. The nanoparticle transformer oil is characterized by being prepared from the following raw materials in parts by weight: 1000-1200 parts of naphthenic base oil, 3-5 parts of aluminum nitride, 0.3-0.5 part of bismuth oxide, 0.2-0.5 part of gadolinium chloride, 0.2-0.5 part of urotropine, 0.3-0.5 part of lithium-based grease, 0.3-0.6 part of titanium carbide micropowder, 0.3-0.6 part of polyamide, 0.3-0.6 part of lithium borate, and 0.5-1.0 part of auxiliaries. The added nano aluminum nitride, bismuth oxide, gadolinium chloride and lithium borate particles have excellent dielectric property, high stability, good heat-conducting property, and small thermal expansion coefficient, and can greatly improve the insulating, arc extinction, stability and radiation performance of transformer oil; the added titanium carbide micropowder and polyamide have good wear resistance; and due to the added auxiliaries, the transformer oil is clarified, the oxidization property is reduced, the stability is enhanced, and the service life is prolonged.
Owner:TONGLING SANJIA TRANSFORMER
High-wearability hollow rail aluminum alloy plate
InactiveCN108250939AGood weather resistanceExcellent gloss retentionAnti-corrosive paintsPolyurea/polyurethane coatingsFilm-forming agentBarium sulfate
The invention discloses a high-wearability hollow rail aluminum alloy plate which comprises an aluminum alloy plate matrix and a high-wearability polyurethane primer coating the surface of the aluminum alloy plate matrix. The high-wearability polyurethane primer comprises the following raw materials in part by weight: 30-40 parts of acrylic polyurethane, 15-25 parts of modified cyanate resin, 1.3-1.5 parts of talcum powder, 0.5-1 part of superfine barium sulfate, 0.6-0.9 part of a de-foaming agent, 0.5-0.8 part of a leveling agent and 0.3-0.6 part of a film forming agent. The high-wearabilityhollow rail aluminum alloy plate disclosed by the invention has excellent wearability and simultaneously has good film-forming property and processing property.
Owner:安徽鑫铂铝业股份有限公司
Preparation method of acyloin compounds
ActiveCN106397151AImprove securityGood choiceOrganic-compounds/hydrides/coordination-complexes catalystsCarbonyl compound preparation by condensationState of artSide reaction
The invention relates to a preparation method of acyloin compounds, and belongs to the field of fine chemical industry. A new catalyst 1-n butyl benzimidazole hydrochloride is provided for synthesis of the acyloin compounds, and the products have the advantages of good quality and less side reactions; deficiencies existed in the prior art are overcome.
Owner:濮阳天源生物科技有限公司
Solution casting method
Owner:山西金能世纪科技有限公司
Manufacturing method of fireproof board core paper
InactiveCN111962332AImprove uniformityQuantitatively stableDefoamers additionSpecial paperFiberPapermaking
The invention discloses a manufacturing method of a fireproof board core paper. The invention belongs to the technical field of papermaking, needle-leaved wood, broad-leaved wood and camphorwood are used as fiber raw materials, the preparation method comprises the following steps: cooking, extracting, performing oxygen delignification, performing hydrogen peroxide micro-bleaching, washing, pulping, preparing pulp, slushing, screening and purifying, sizing, dehydrating and forming a net part, squeezing, performing pre-drying, performing surface sizing, performing post-drying, coiling, rewindingand packaging, wherein the ratio of the needle-leaved wood to the broad-leaved wood to the camphorwood is (4.5-5): (3-4): 1. The fireproof board core paper manufactured through the method is good inuniformity, stable in quantification, consistent in tightness, smooth in paper surface, good in laminating performance, free of impurities on the appearance of the paper surface and free of lint on the end face, and the flame retardant property and the sound insulation property of the core paper are improved simultaneously.
Owner:YUEYANG FOREST & PAPER CO LTD
A method of manufacturing a polarization-maintaining optical fiber
ActiveCN104591534BSimple structureSimple processGlass making apparatusPolarization-maintaining optical fiberEngineering
The invention belongs to the technical field of optical fiber manufacturing, and discloses a method for manufacturing a polarization-maintaining optical fiber, comprising the following steps: on the wall of the first layer of casing, cutting a notch symmetrically with respect to the center line of the inner cavity of the first layer of casing; Stress rods are filled in the incision, and an optical fiber preform core rod is embedded in the first layer of casing; a second layer of casing is nested outside the first layer of casing to form a polarization-maintaining optical fiber preform; The polarized optical fiber preform is drawn into a polarization-maintaining optical fiber; wherein, the structure of the gap is filled by a stress rod. During the high-temperature drawing process, the circular stress rod will greatly fill the gap in the cut after softening, forming a polarization-maintaining optical fiber. required stress zone. The invention proposes a polarization-maintaining optical fiber manufacturing method with double sleeves and stress rods, which has a simple structure, greatly simplifies the processing technology and reduces the requirements for labor and equipment; it can greatly improve the impact of impurities on product quality; at the same time, it avoids Various high-precision operation requirements in the prior art.
Owner:WUHAN BRIGHTCORE OPTICAL FIBER CO LTD
Externally applied medicament for relieving pains and dredging blood vessel diseases and preparation method thereof
InactiveCN104001110AForcibly dissipateWith dredging qi and bloodAntipyreticAnalgesicsSalvia miltiorrhizaDisease
The invention relates to an externally applied medicament for relieving pains and dredging blood vessel diseases and a preparation method thereof. The medicament comprises the following 18 medicinal materials: salviae miltiorrhizae, flowers carthami, aleuritopteris argentea fee, turmeric, lignum dalbergiae odoriferae, caulis spatholobi, frankincense, myrrh, radix clematidis, ligusticum wallichii, curcuma zedoary, seeds of garden balsam, radix achyranthis bidentatae, sedum aizoon, manis pentadactyla, celery, kelp and American lotus which are processed by 9-degree white vinegar to prepare the medicament. The medicament is externally applied to focuses of blood vessel diseases in all parts of the human body by transdermal absorption, has a strong scattering effect to blood stasis of blood vessels, stagnation of the circulation of vital energy and agglomeration, can dredge qi and blood and clear and activate the channels and collaterals, and has the functions and characteristics of self-treatment by the patient, and no pain and no side effects of effectively preventing malignant transformation and quickly reliving pains and curing.
Owner:雷进斌
Microfluidic chip with controllable tube side
The invention relates to a microfluidic chip with a controllable tube side. The microfluidic chip comprises a circular substrate and an annular cover plate capable of being tightly bonded to the uppersurface of the circular substrate; and the interior of the part, corresponding to the annular region of the annular cover plate, of the circular substrate is provided with microtube concave channelswhich have upward openings and closed tail ends and are flush with the upper surface of the circular substrate, the annular cover plate is provided with openings for adjusting the microtube tube sidesin the directions of the microtube concave channels, each opening is connected with one corresponding material outlet of a microtube reactor. The microfluidic chip provided by the invention can directly adjust tube side lengths in real time according to the reaction time and flow rate of the required reaction or detection operation, thereby achieving the purpose of accurately controlling the contact and reaction time of two fluids.
Owner:路煜恒
Long-service-life lining material for whole pipeline of large and medium sized blast furnace hot blast stove
The invention relates to a long-service-life lining material for a whole pipeline for a large and medium sized blast furnace hot blast stove. The lining material comprises a permanent lining and a work lining, wherein the permanent lining and the work lining are respectively formed by casting and baking a substrate-purified high-intensity micro-pore light material and a substrate-purified high-intensity mullite material. The lining material provided by the invention can solve the technical problem that the lining material of the large and medium-sized blast furnace hot blast stove in the prior art is easy to crack, collapse and deform due to being subjected to high temperature of 1200-1300 DEG C, frequent temperature fluctuation and high-speed alkali-containing and carbon medium-containing hot air erosion for a long term. After a hot air stove pipeline having the safety lining and the work lining is used, the service life of the hot air stove pipeline can be observably prolonged, the stop time for repairing can be reduced, and the production efficiency can be greatly improved, so that the lining material is huge in economic benefit and social benefit.
Owner:任健均
A kind of preparation method of azoin compounds
ActiveCN106397151BImprove securityGood choiceOrganic-compounds/hydrides/coordination-complexes catalystsCarbonyl compound preparation by condensationSide reactionHydrochloride
Owner:濮阳天源生物科技有限公司
The quick-loading structure of the material tank of the paint spray gun
ActiveCN104772245BQuick disassemblyReduce labor intensityLiquid spraying apparatusEngineeringMechanical engineering
Owner:ZHEJIANG REFINE WUFU AIR TOOLS
A method for preparing a nano-sized low-alloy heat-resistant high-strength steel mold
Owner:SHANGHAI HAN MOLDING SHAPE CO LTD
A kind of oxiracetam for injection and preparation method thereof
ActiveCN104069074BReduce use costLess solventPowder deliveryOrganic active ingredientsFreeze-dryingOxiracetam
The invention discloses an oxiracetam freeze-dried powder injection and a preparation method thereof. The oxiracetam freeze-dried powder injection is prepared by dissolving oxiracetam in water for injection, and then adding 1.2% to 2.0% (V / V) ethanol of the total volume to prepare 200 to 500 mg / ml of oxiracetam Racetam solution, obtained by lyophilization. The oxiracetam freeze-dried powder injection is prepared by adding an appropriate amount of ethanol and combined with a special freeze-drying process, especially a special pre-freezing method, and formulates the pre-freezing process parameters so that the surface of the solution crystallizes first, avoiding the surface Solute accumulation. The oxiracetam freeze-dried powder injection prepared by the invention basically does not contain auxiliary materials, has rapid reconstitution, good quality and stable storage.
Owner:YAOPHARMA CO LTD
Preparation method of low temperature concentrated burdock gastric ulcer protection beverage
The invention discloses a preparation method of a low temperature concentrated burdock gastric ulcer protection beverage. The method improves on the existing technology and the prepared beverage has the functions of inhibiting gastric ulcer and protecting the intestines and stomach and is particularly suitable to be eaten by people with gastric ulcer, chronic gastritis or other diseases. The invention adopts the root of fresh burdock as the production raw material to perform special processing so that rich nutritional components contained by the raw material can be absorbed by human body and the good taste of the product can be ensured. Therefore, the prepared beverage is really a purely natural and green nutritional product, has the functions of nourishing yin, maintaining beauty, detoxifying, protecting the stomach and promoting gastrointestinal motility, has strong pertinence and obvious effects, and is especially suitable to be eaten by people with gastric ulcer, chronic gastritisor other diseases. The invention belongs to the health food technology. The beverage has good health-care effect on the stomach and can promote the improvement and self-healing of gastric ulcer and chronic gastritis; and the beverage contains various vitamins and has natural preservation and not any side effect, thus being a dietetic competitive product.
Owner:QINGDAO HAOTIAN FOOD
Preparation method of low-impurity and high-solubility basic nickel carbonate
The invention relates to a preparation method of low-impurity and high-solubility basic nickel carbonate. The preparation method comprises the following steps: preparing a salt solution containing nickel ions; preparing a salt solution containing carbonate; adding the salt solution containing the nickel ions and the salt solution containing the carbonate radicals into a reaction kettle in a parallel flow manner for coprecipitation reaction to obtain a mixture, wherein the process conditions of the coprecipitation reaction are as follows: the pH value of the reaction is 8.2-8.5, the reaction temperature is 50 DEG C to 53 DEG C, the reaction time is 7 minutes to 8 minutes, and the reaction rotating speed is 170 r / min to 190 r / min; and carrying out filter pressing washing and flash evaporation drying on the mixture to obtain low-impurity and high-solubility basic nickel carbonate. The content of Na and the content of S in the product prepared through the method are both smaller than 100 ppm, primary particles of the product are small, caking is avoided, and the solubility of molybdenum oxide and phosphoric acid is good.
Owner:JINGMEN GEM NEW MATERIAL
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com