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Preparation method of supported metal catalyst
InactiveCN105562116ALow costHigh operational controllabilityCatalyst activation/preparationMetal/metal-oxides/metal-hydroxide catalystsDispersityDyeing wastewater
The invention discloses a preparation method and application of a supported metal catalyst. The supported metal catalyst comprises carrier framework materials and nano particles, loaded on the surfaces of the carrier framework materials, of metal or metal oxide, or metal ions chelated on the surfaces of the carrier framework materials, wherein the metal ions and nano particles of the metal or metal oxide are loaded on the surfaces of the carrier framework materials through the polymerization layers, adhered to the surfaces of the carrier framework materials, of catechol derivatives. The preparation method of the supported metal catalyst has the advantages that the method is simple, various carrier framework materials are used, one or more metal ions or nano particles can be loaded, and universality is achieved; the supported metal catalyst is good in active metal dispersity, large in carrier specific surface area, low in use amount, low in cost, and the like; the catalyst loaded with noble metal is catalyst material which is widely used and environmental friendly and is efficiently applicable to environmental chemical engineering fields such as dye wastewater decoloring, wastewater organic pollutant removing, car tail gas treatment, air purification, hydrogenation and reforming catalytic reaction, gas sensors and fuel cells.
Owner:YANTAI INST OF COASTAL ZONE RES CHINESE ACAD OF SCI
Dimethylanthracene-containing organic compound and application thereof
ActiveCN106467486ADestroy crystallinityInhibit aggregationOrganic chemistrySolid-state devicesOrganic electroluminescenceThermal stability
The invention discloses a dimethylanthracene-containing compound and an application of the dimethylanthracene-containing compound on an organic electroluminescent device. A structural general formula of the organic compound is shown as a general formula (1). The compound has high glass transition temperature and molecular thermal stability, and appropriate HOMO and LUMO energy level and high Eg, by optimizing a device structure, the photoelectric property of the OLED device and the life of the OLED device are effectively increased.
Owner:JIANGSU SUNERA TECH CO LTD
High-nitrogen steel pressure welding device and method for welding high-nitrogen steel by using same
InactiveCN106346171AImprove mechanical propertiesGood application effectWelding/cutting auxillary devicesAuxillary welding devicesWelding power supplyMixing chamber
The invention discloses a high-nitrogen steel pressurized welding device and a method for welding high-nitrogen steel by using the device, comprising an airtight welding chamber, a gas mixing chamber, and a vacuum pump; the airtight welding chamber communicates with the gas mixing chamber and the vacuum pump respectively through gas pipelines ;The airtight welding room is equipped with bracket, welding power supply, welding wire frame, wire feeding mechanism and welding torch; the cooling plate is arranged above the bracket; the welding wire sleeve is connected under the wire feeding mechanism; the welding power supply is connected with the welding wire sleeve and the bracket through electrode wires respectively The cold source is set in the cooling plate; the welding base metal is placed on the cooling plate; the raw material gas is mixed in the gas mixing chamber and then input into the airtight welding room; the position of the welding wire and the welding torch is adjusted, the welding power is turned on, and welding is carried out. By controlling the system shielding gas composition, system total pressure and cooling parameters, the nitrogen content in the high-nitrogen steel weld can be fixed, and the mechanical properties of the high-nitrogen steel weld can be improved. Using the system of the present invention for high-nitrogen steel welding, the nitrogen content of the weld can reach More than 95% of the base material.
Owner:SUZHOU UNIV
Full-automatic production equipment based on stem guide wire shaping and LED light strip welding integration
ActiveCN105345470AFacilitate automated processing operationsEasy to operateOther manufacturing equipments/toolsCircular discReduction drive
The invention discloses full-automatic production equipment based on stem guide wire shaping and LED light strip welding integration. The full-automatic production equipment comprises a main bottom plate, a platen and an upper bracket, wherein the upper end of the main bottom plate supports the platen through four thick bracket legs. A discharging mechanism and a buffering conveying mechanism are arranged on the left and the right of the side surface of the platen respectively, and a feed mechanism is arranged at the end of the buffering conveying mechanism. The platen is provided with a gap divider. An index plate rotates anticlockwise and is provided with a stem clamp. The main bottom plate is provided with a speed reducer, a station main shaft and a cam mechanism. A stem locating mechanism, a long foot arranging mechanism, a short foot poking mechanism, a 45-degree long foot poking assembly mechanism, a 45-degree short foot poking assembly mechanism, a foot straightening mechanism, an LED light strip shearing and conveying mechanism, an automatic LED light strip rotating and conveying mechanism and a welding mechanism are sequentially arranged on the platen from the front end of the feed mechanism and surround the index plate. The full-automatic production equipment is high in automation degree, high in welding and shaping efficiency and high in shaping accuracy.
Owner:南通睿博电器有限公司
Organic compound containing xanthene and application thereof
ActiveCN106467526ADestroy crystallinityInhibit aggregationOrganic chemistrySolid-state devicesVitrificationThermal stability
The invention discloses an organic compound containing xanthene and an application thereof. A structural general formula of the organic compound is shown as a general formula (1). The vitrification temperature of the organic compound is high, the molecular thermal stability is strong, the organic compound has appropriate HOMO and LUMO energy level and high Eg, and the photoelectric property of an OLED device and life of the OLED device are effectively increased through optimization of a device structure.
Owner:JIANGSU SUNERA TECH CO LTD
Continuous circulation carbon dioxide capture system on basis of in-situ adsorption/desorption modes
ActiveCN105727729AExtend your lifeEliminate wear and tearGas treatmentDispersed particle separationWater vaporDesorption
The invention belongs to the field of equipment related to carbon capture technologies, and discloses a continuous circulation carbon dioxide capture system on the basis of in-situ adsorption / desorption modes.The continuous circulation carbon dioxide capture system comprises a flue gas purification module, a pressurization module, an isothermal circulation carbon capture reactor group, a gas outlet condensation device, a negative-pressure module and the like which are sequentially connected with one another.The designed isothermal circulation carbon capture reactor group comprises a carbonization reactor and a regeneration reactor which cling to each other to transfer heat, and functions of the carbonization reactor and the regeneration reactor can be switched over after reaction is carried out for a certain time; the carbonization reactor is provided with the pressurization module, the regeneration reactor (42) is provided with the negative-pressure module, and an appropriate quantity of water vapor can be continuously supplied for the regeneration reactor (42).The continuous circulation carbon dioxide capture system has the advantages that the integral reaction efficiency can be obviously improved as compared with existing continuous carbon capture modes, abrasion of solid adsorbent particles due to collision can be eliminated, temperature difference between adsorption and desorption can be reduced to a great extent, the continuous circulation carbon dioxide capture system is economical and environmentally friendly, and the like.
Owner:HUAZHONG UNIV OF SCI & TECH
Decolorization treatment method for colored liquid waste
InactiveCN105585099ALow costHigh operational controllabilityWater/sewage treatment by reductionPtru catalystOrganic solvent
The invention discloses a decolorization treatment method for colored liquid waste. A loaded metal catalyst and a reducing agent are adopted, colored liquid waste can be rapidly decolored, no loaded metal catalyst is consumed in the decolorization process, and continuous colored liquid waste decolorization treatment can be maintained just by adding the reducing agent. After the loaded metal catalyst is inactivated, organic solvent or water can be adopted to conduct washing to remove pollutants attached to the surface of the catalyst, the loaded metal catalyst can have activity again, and the color of the colored liquid waste is removed rapidly together with the reducing agent. The decolorization treatment method for the colored liquid waste is simple in process, all raw materials are low in price, the quantity of treated colored liquid waste is large, large-scale application is achieved easily, the loaded metal catalyst can be cycled for a long time, and decolorization treatment of colored liquid waste is greatly lowered.
Owner:YANTAI INST OF COASTAL ZONE RES CHINESE ACAD OF SCI
Organic compound with xanthene and application thereof in OLED (organic LED) devices
ActiveCN106478610ADestroy crystallinityInhibit aggregationOrganic chemistrySolid-state devicesVitrificationThermal stability
The invention discloses an organic compound with xanthene and application thereof in OLED (organic LED) devices; the organic compound has a structural general formula shown as in formula (1). The organic compound provided herein has high vitrification temperature and high molecular thermal stability, has suitable HOMO and LUMO energy levels and high Eg, and by optimizing device structure, it is possible to effectively improve photoelectric properties of OLED devices and prolong the lives of the OLED devices.
Owner:JIANGSU SUNERA TECH CO LTD
Method for using biomass porous carbon as potassium ion battery cathode
ActiveCN109742384AThe synthesis method is simpleHigh operational controllabilityCell electrodesSecondary cellsSynthesis methodsPorous carbon
The invention discloses a method for using biomass porous carbon as a potassium ion battery cathode. Firstly, a biomass precursor is evenly mixed with specific salt, a pollution-free molten salt carbonization method is adopted to prepare a three-dimensional classification porous carbon material, a carbonization temperature and a ratio of the specific salt to a biomass raw material in a reaction process are regulated and controlled to obtain the porous carbon material, and the porous carbon material is used as the potassium ion battery cathode. The porous carbon cathode material is prepared bya molten salt carbonization method which comprises the following steps that: 1) cleaning and smashing the biomass raw material into precursor powder; 2) carrying out ball milling and mixing on the precursor and the specific salt particles; and 3) after a product in 2) is coated with salt powder, rising the temperature to 500-1200DEG C at a rate of 1-10DEG C / min under air, keeping the temperature for 3-6h, and washing, separating and purifying the generated product to obtain a target product. The synthesis method is simple and is free from pollution, operation steps can be easily controlled, scale production is realized, and realizability is high. The obtained porous carbon material is used as the potassium ion battery cathode and has excellent electrochemical performance and good cycling stability.
Owner:CHINA UNIV OF MINING & TECH
Preparation method for fluorine-doped graphene material
InactiveCN103738958AReduce oxygen contentHigh operational controllabilityGrapheneDoped grapheneNew energy
The invention provides a preparation method for a fluorine-doped graphene material and belongs to methods for preparing fluorine-doped graphene through high-temperature carbonization. The method comprises the following steps: a fluorine-containing high polymer material is put into a corundum crucible and placed inside a high-temperature reaction container,and under a certain gas atmosphere, sintering is performed for 1 to 8 hours under the condition of 300 to 900 DEG C according to a specific temperature rate, so that a fluorine-doped graphene product is obtained. The fluorine-containing high polymer material is adopted as a raw material, and the fluorine-doped graphene material is prepared through a one-step high-temperature carbonization method, the used raw material is low in cost and easy to obtain, the preparation steps are simple, the operation controllability is high, the obtained product mainly comprises fluorine-doped graphene with low slice number (2 to 10 nanometers), and large-scale industrial production is easier. In addition, the production is performed under the environment of non-oxidizing atmospheres through the method, the content of oxygen in the target object of graphene can be effectively reduced, and the fluorine-doped graphene material has high potential for being used widely in the fields of new-energy lithium ion batteries, catalysis, optics, electrochemistry and the like.
Owner:CHINA UNIV OF MINING & TECH
Preparation method and application of silicon/nitrogen-doped graphene composite material for lithium ion battery
InactiveCN108346791AImprove conductivityImprove cycle performanceCell electrodesSodium-ion batteryNitrogen doped graphene
Preparation method and application of a silicon / nitrogen-doped graphene composite material for a lithium ion battery belongs to preparation method and application of a silicon / nitrogen-doped graphenecomposite material. According to the preparation method of the silicon / nitrogen-doped graphene composite material, commercial silicon powder, a carbon source and a nitrogen source are mixed and subjected to wet ball-milling, a high-temperature solid-phase sintering synthesis technology is employed under an inert atmosphere after drying, a technical parameter during the reaction process is controlled, silicon content control of the silicon / nitrogen-doped graphene composite material is achieved, and the silicon / nitrogen-doped graphene composite material is obtained and is used for fabricating alithium ion battery negative electrode. The preparation method has the advantages that the material shows excellent cycle and rate performance when used as a lithium ion battery negative electrode, issimple and reliable in production process, available in raw material, low in equipment requirement, simple in synthesis circuit and high in operation step controllability and is convenient to control, large-scale quantitative preparation is easily achieved, and the integral electrochemical performance is greatly improved by the composite material.
Owner:CHINA UNIV OF MINING & TECH
Hydraulic system for construction equipment
ActiveUS20160102686A1Improve fuel efficiencyHigh operational controllabilityFluid couplingsServomotor componentsEngineeringActuator
The present disclosure relates to a hydraulic system for construction equipment, and more particularly, to a hydraulic system, in which an actuator is controlled by a pump / motor. The hydraulic system for construction equipment according to the present disclosure includes logic valves in first and second hydraulic lines provided to an actuator, respectively, and when it is desired to operate the actuator in a state where an operation of the actuator is stopped by closing the logic valves, a pressure difference may be resolved by increasing pressure in sections of a pump / motor and the logic valves in advance even if a load is applied to the actuator, and thus the actuator may implement a desired operation without being affected by the load. That is, it is possible to improve operation controllability of the actuator.
Owner:DOOSAN INFRACORE CO LTD
Method for measuring soil soluble organic carbon isotope
InactiveCN106770606AGuaranteed measurementAchieve homogenizationMaterial analysis by electric/magnetic meansSoil massFreeze-drying
The invention discloses a method for measuring a soil soluble organic carbon isotope. In the method, an EA-IRMS method is adopted. The method comprises the following steps: firstly, extracting soil water-soluble organic carbon through a multi-water to soil mass ratio method to obtain a solution containing the soil water-soluble organic carbon; then, concentrating the obtained solution through freeze drying; adding purified water into concentrated substances for re-dissolving, drying and measuring delta<13>C through EA-IRMS. The novel method for measuring the soil soluble organic carbon isotope provided by the invention is rapid and efficient, is easy and convenient to operate, and has high measuring accuracy.
Owner:INST OF GENETICS & DEVELOPMENTAL BIOLOGY CHINESE ACAD OF SCI
Photoelectric material with average benzene as core and application thereof
ActiveCN106467551AHigh glass transition temperatureImprove stabilityOrganic chemistrySolid-state devicesQuantum efficiencyBenzene
The invention discloses a photoelectric material with average benzene as the core and application thereof. The photoelectric material has high triplet-state energy level, high vitrification transfer temperature and good film forming stability and wide energy gap. When the photoelectric material is used as a hole transport / electron blocking material or a luminescent layer material to be applied to an organic luminescent device, voltage can be obviously reduced, and efficiency of equipment is raised. Current efficiency, power efficiency and external quantum efficiency of a device prepared by the use of the photoelectric material are all greatly improved. Meanwhile, life of the device is obviously prolonged.
Owner:JIANGSU SUNERA TECH CO LTD
Feeding method for improving fermentation growth efficiency of butyric acid bacteria
ActiveCN106591202ASignificant progressHigh operational controllabilityBacteriaMicroorganism based processesAcetic acidD-Glucose
The invention discloses a feeding method for improving the fermentation growth efficiency of butyric acid bacteria, and belongs to the technical field of agricultural living things. The feeding method for improving the fermentation growth efficiency of butyric acid bacteria is realized through optimizing the specific growth rate of the butyric acid bacteria and controlling acid metabolism, and is concretely characterized in that exponential fed-batch of a glucose solution is carried out from the 6th hour to the 13th hour of the butyric acid bacterium fermentation culture process at a specific growth rate of 0.1-0.4 h<-1> and preferably 0.225 h<-1>. The method has the characteristics of simple and clear fed components, low cost, clear fed0batch rate, high operating controllability, and suitableness for fermenting production. The method overcomes the technical prejudice that the preset value of the specific growth rate of exponential fed-batch approaches 80-90% of a maximum specific growth rate, and has the advantages of great promotion of the logarithmic growth of butyric acid bacterium cells through exponential fed-batch at a low preset value, substantial reduction of the concentrations of acetic acid and butyric acid generated in the fermentation process, and extremely technical effects.
Owner:HUBEI UNIV OF TECH
Corrosion-resistant coating reinforced drill rod and preparation method thereof
InactiveCN110306189AImprove pitting resistanceImprove corrosion resistanceMolten spray coatingDrilling rodsAlloy coatingDislocation
The invention provides a corrosion-resistant coating reinforced drill rod. The corrosion-resistant coating reinforced drill rod comprises a drill rod base body, a Ni-Al layer which is arranged on thesurface of the drill rod base body, and a Fe-based amorphous alloy coating arranged on the surface of the Ni-Al layer, wherein the Fe-based amorphous alloy coating comprises the following components of 13.0wt%-15.0wt% of Cr, 25.0wt%-27.0wt% of Mo, 1.0wt%-2.0wt% of B, 3.0wt%-5.0wt% of Y, 3.0wt%-5.0wt% of C and the balance Fe. According to the corrosion-resistant coating reinforced drill rod, the Fe-based amorphous alloy coating with the above components is adopted, and the amorphous alloy coating has no defects such as crystal boundary dislocation in common alloy. The Cr element in the corrosion-resistant coating reinforced drill rod has good pitting resistance, so that the corrosion resistance of the whole material is good. The invention also provides a preparation method of the corrosion-resistant coating reinforced drill rod.
Owner:CHINA UNIV OF GEOSCIENCES (BEIJING)
Labor-saving anti-collision sliding window
ActiveCN108979401ALabor-saving and anti-collisionReduce the difficulty of pushing and pullingBuilding braking devicesWing suspension devicesSlide windowEngineering
The invention belongs to the field of windows, and particularly relates to a labor-saving anti-collision sliding window which comprises a window frame and a window body. A sliding groove is formed inthe inner bottom of the window frame, a sliding rail is fixedly connected into the sliding groove and made of permanent magnet materials, a movable groove is formed in the lower end of the window body, a base capable of moving left and right is arranged in the movable groove, the lower end of the base is provided with a sliding groove matched with the sliding rail, a cavity is formed in the base,a magnet strip capable of moving up and down is arranged in the cavity, the lower end of the magnet strip and the upper end of the sliding rail are in homopolar repulsion, the inner top of the cavityis fixedly connected with a plurality of cylinders, piston blocks are slidably and hermetically connected into the cylinders, the lower ends of the piston blocks are fixedly connected with connectingrods, the lower ends of the connecting rods are fixedly connected with the upper ends of the magnet strips, an adjusting mechanism for adjusting the piston blocks is arranged on the window body, and the side wall of the window is fixedly connected with a handle. By the aid of repulsive force between the magnet strip and the magnetic sliding rail, the window is lifted upwards in the moving process,and the opening and closing difficulty of the window is reduced.
Owner:ZHEJIANG CANYUAN HOME TEXTILE
Organic compound containing dimethylanthracene and application thereof in OLED
ActiveCN106467527ADestroy crystallinityInhibit aggregationOrganic chemistrySolid-state devicesOrganic electroluminescenceChemical compound
The invention discloses an organic compound containing dimethylanthracene and application thereof in an organic light-emitting device (OLED). A structure general formula of the organic compound is represented as the formula (I). The compound has high glass transition temperature and molecular thermostability, appropriate HOMO and LUMO energy level and high Eg. Through structural optimization of the device, photoelectric performance and service life of the OLED can be effectively improved.
Owner:JIANGSU SUNERA TECH CO LTD
Method for separating high-purity lactone type lovastatin from fermentum rubrum powder
The present invention discloses a new method for separating lactone type lovastatin from fermentum rubrum. According to the method, commercially available functional fermentum rubrum powder is adopted as a raw material, ethanol extraction and vacuum suction filtration are performed, silica gel column chromatography one-step separation is performed, and purity analysis and structure identification are performed respectively through a chromatography method and a spectroscopy method after concentration crystallization so as to obtain the lovastatin crystal having the purity of more than or equal to 98% and having the lactone type structure, wherein the extraction rate is more than or equal to 85%. According to the present invention, the method has characteristics of simple production equipment, simple and feasible process, simple operation, short time consuming, high bulk drug utilization rate and low production cost, and is the energy-saving and environmental protection method.
Owner:LANZHOU UNIVERSITY
Method for preparing cyclopentane refrigerant
ActiveCN109912377AHigh purityReduce water contentDistillation purification/separationHydrocarbonsDistillationDesorption
The invention belongs to the technical field of chemicals and discloses a method for preparing a cyclopentane refrigerant. Efficient separation of cyclopentane from 2,2-dimethyl butane is achieved byusing an extraction distillation technique with acetonitrile as an extraction agent. The method for preparing the cyclopentane refrigerant comprises the following steps: by taking a C5 mixture as a raw material, carrying out light component desorption, heavy component desorption, extraction distillation and desorption; by taking acetonitrile as an extraction agent, feeding a material from the topof a heavy component desorption tower into the middle part of an extraction distillation tower; feeding the extraction agent into the upper part of the extraction distillation tower, collecting 2,2-dimethyl butane from the top of the tower, and desorbing an enriched solvent at the bottom of the tower in a desorption tower, thereby obtaining the cyclopentane refrigerant. By adopting the method forpreparing the cyclopentane refrigerant, the obtained cyclopentane has purity not less than 99%, and is low in water content. The extraction agent is good in stability, high in selectivity, low in solvent ratio, low in boiling point, simple in process procedure, high in operation controllability, low in energy consumption, high in product purity, possible in extraction agent circulation, small in pollution and applicable to industrial production. The method is applicable to preparation of high-quality cyclopentane, and is particularly applicable to preparation of cyclopentane refrigerants of environmental-friendly refrigerators.
Owner:CHAMBROAD CHEM IND RES INST CO LTD
Cultivation method for pholiota nameko
InactiveCN111149619APromote growthIncrease productionCultivating equipmentsMushroom cultivationPholiotaEdible mushroom
The invention discloses a cultivation method for pholiota nameko, and belongs to the field of edible fungi cultivation. The method comprises the steps of preparing compost; performing bagging and sterilization; performing inoculation; performing spawn runing culture; performing fruiting culture; performing growth culture; and performing timely harvesting. The spawn runing culture is to perform grading culture in a greenhouse provided with a sunshade net inside after inoculation, and the spawn runing culture includes germination culture, expansion culture and spawn culture; and the fruiting culture is to move fungus sacks to a fruiting house after Chinese medicine residue aqueous dispersion is employed to spray the spawn-contained compost for appropriate time. According to the cultivation method, by optimizing cultivation conditions including the compost, temperature, humidity, light and the like, growth of the pholiota nameko is quickened, and the cultivation period is shortened; moreover, the contamination rate of sundry fungi during growing is low; the obtained pholiota nameko is full and attractive; the yield and the quality of the pholiota nameko are improved; and the cultivation method has the advantages of being high in controllability, low in cost, free of medicine residues, and the like.
Owner:JILIN AGRI SCI & TECH COLLEGE
Embolism material for blood vessel, preparation method therefor and use thereof in preparation of drugs
ActiveUS20190247536A1Reduce viscosity of compositionLow viscositySurgical adhesivesPharmaceutical delivery mechanismEmbolization TherapyRadiology
Provided are the use of poly(N-isopropylacrylamide-co-butyl methacrylate) in preparing an embolism material for blood vessels, an embolism material for blood vessels and the use thereof in preparation of drugs. The embolism material for blood vessels comprises poly(N-isopropylacrylamide-co-butyl methacrylate) and a dispersion medium consisting of an electrolyte, a contrast agent, a pH regulator and water. The concentrations of the polymer, electrolyte and contrast agent are respectively 5-30 mg / ml, 0.1-30 mg / ml and 100-350 mg / ml based on iodine. The embolism material for blood vessels is suitable for embolization therapy of tumors in hypervascular and parenchymal visceral organs.
A labor-saving anti-collision sliding window
ActiveCN108979401BReduce the difficulty of pushing and pullingReduce noiseBuilding braking devicesWing suspension devicesSlide windowEngineering
Owner:ZHEJIANG CANYUAN HOME TEXTILE
Method for improving clostridium butyricum growth efficiency
ActiveCN105861410AHigh synthesis efficiencyImprove oxidation efficiencyBacteriaMicroorganism based processesBiotechnologyEthanol synthesis
The invention discloses a method for improving the clostridium butyricum growth efficiency, and belongs to the field of food fermentation. The invention provides the method for improving the clostridium butyricum growth efficiency by reducing generation of acidic products in the fermentation process and promoting ethanol synthesis, and the method particularly comprises the step that phenylalanine solution feeding is conducted in a sterile and anaerobic mode at constant speed when three stage fermentation of clostridium butyricum is conducted for 0.8 h till 4 h to 6 h before fermentation is completed, wherein the total concentration of acetaldehyde ranges from 1.5 mmol / L to 5.0 mmol / L. According to the method for improving the clostridium butyricum growth efficiency, acetaldehyde molecules serve as metabolic regulation molecules for use; by means of addition of the acetaldehyde molecules, the oxidation efficiency of NADH is promoted, the synthesis efficiency of ethanol is significantly enhanced, the generation efficiency of acetic acid and butyric acid is significantly reduced, the growth efficiency of the clostridium butyricum is further improved, and an excellent technical effect is produced. The method for improving the clostridium butyricum growth efficiency has the advantages that the materials are easy to purchase, the operation controllability is high, and the method is suitable for clostridium butyricum fermentation production.
Owner:HUBEI UNIV OF TECH
Preparation method of iron molybdenum oxide (II) nanocube
InactiveCN103754954BRegular surface topographyRaw materials are cheap and easy to getNanotechnologyIron compoundsSodium acetateNew energy
The invention relates to a preparation method of an iron molybdenum oxide (II) nanocube, and belongs to the preparation of an iron molybdenum oxide nanometer material with a regular shape. The method comprises the following steps: adding an iron source and a molybdenum source into a sealed pressure resistant reaction container according to the molar ratio of (1.5-3) to 1, using an ethanol and water mixing liquid as a solvent, respectively adding sodium acetate which accounts for 0.3-2.0% of the mass of the ethanol and water mixing liquid and polyvinylpyrrolidone to be used as auxiliary agents, uniformly stirring and mixing, and reacting for 8 to 40 hours at the temperature of 100 to 250 DEG C. The iron molybdenum oxide (II) nanocube is firstly prepared by the one-step liquid phase method; the used raw material is low in price, and easy to obtain; the preparation step is simple, and the operation controllability is high; the single crystal with uniformly distributed particle size and proper particle size is obtained, and the large-scale industrial production is facilitated. As the nanocube has the large specific area and regular surface shape structure, the nanocube is widely applied to the fields of new energy lithium iron cells and catalytic optics. The method is applied to the fields of optics, electrics, energy storage and catalyzing.
Owner:CHINA UNIV OF MINING & TECH
Preparation method of WC-Co hard alloy with average grain size larger than 15 microns
ActiveCN110358961AUniform particle sizeGood uniformityTransportation and packagingMetal-working apparatusCemented carbideCrystallite
The invention discloses a preparation method of a WC-Co hard alloy with an average grain size larger than 15 microns, and belongs to the field of block material preparation. The preparation method comprises the steps of taking coarse-particle WC powder as raw material, sieving and grading, stirring and mixing the sieved and graded raw material with a mixed solution formed by PEG and diffusion oilin a certain proportion, and drying and pressing to prepare a WC cold-pressed green body; directly coating the cold-pressed green body with Co powder in different masses, compacting, sintering and cooling in a low-pressure sintering furnace to obtain a WC-Co hard alloy material with WC grain size larger than 15 microns; or sintering the cold-pressed green body to prepare porous carbide; and then coating the porous carbide with the Co powder in different masses and compacting, and sintering at low pressure to prepare the hard alloy material with WC grain size larger than 15 microns and different Co content.
Owner:BEIJING UNIV OF TECH
4K player and control method thereof
InactiveCN105185393AEasy to operateHigh operational controllabilityRecord information storageDigital recording/reproducingComputer terminalControllability
The present invention specifically discloses a 4K player and a control method thereof. The method comprises the steps of after a data link between the 4K player and a terminal is established, passing back an operation interface file of the 4K player to the terminal, and receiving an access request sent by the terminal according to the operation interface file via the data link, and controlling the playing of the 4K player according to a page type applied by the access request. According to the present invention, the data link is established between the 4K player and the terminal, and the 4K player receives the access request sent by the terminal via the data link and carries out the corresponding playing operation according to the access request sent by the terminal, so that the 4K player can be operated very conveniently via the terminal, and the operation controllability of the 4K player and the market competitiveness of the defective goods are improved.
Owner:阿不都瓦尔·阿布都古力
A kind of organic compound containing dimethyl anthracene and its application on oled
ActiveCN106467527BDestroy crystallinityInhibit aggregationOrganic chemistrySolid-state devicesAnthraceneSimple Organic Compounds
The invention discloses an organic compound containing dimethyl anthracene and its application in an organic electroluminescent device. The general structural formula of the organic compound is shown in the general formula (1). The compound of the present invention has higher glass transition temperature and molecular thermal stability, suitable HOMO and LUMO energy levels, and higher Eg, and can effectively improve the photoelectric performance of OLED devices and the lifespan of OLED devices through device structure optimization.
Owner:JIANGSU SUNERA TECH CO LTD
Large-size efficient liquid fermentation tank
InactiveCN108330062AImprove responseImprove reaction efficiencyBioreactor/fermenter combinationsBiological substance pretreatmentsBiochemical engineeringUltraviolet
The invention discloses a large-size efficient liquid fermentation tank, which comprises a tank body, a sterilization cabin, a reaction cabin and a precipitation cabin, wherein the sterilization cabin, the reaction cabin and the precipitation cabin are all positioned inside the tank body; the sterilization cabin is arranged at the upper end of the reaction cabin; the precipitation cabin is arranged at the lower end of the reaction cabin; one side of the upper end of the tank body is connected with a rotating shaft; the tank body is movably connected with an upper cover through the rotating shaft; an ultraviolet ray sterilization lamp is arranged on the upper end inside the sterilization cabin; a stirring shaft is arranged inside the reaction cabin. The large-size efficient liquid fermentation tank has the advantages that through the graded arrangement of the sterilization cabin, the reaction cabin and the precipitation cabin, fermentation liquid performs layered fermentation reaction from top to bottom; the fermentation reaction efficiency is synchronously improved; in addition, the ultraviolet ray sterilization lamp is arranged on the upper end inside the sterilization cabin; whenbeing required, toxic and harmful microbes in the fermentation liquid can be killed; meanwhile, the upper end of the tank body is movably connected with the upper cover through the rotating shaft; the tank body can be freely opened; the overhaul maintenance on each layered structure inside the tank body is convenient.
Owner:江西省食品发酵研究所
A kind of positive electrode material of potassium ion battery based on nickel-manganese binary oxide and preparation method thereof
ActiveCN108615874BImprove discharge capacityHigh voltageSecondary cellsPositive electrodesNickel saltManganese
Disclosed in the present invention are a nickel-manganese binary oxide-based potassium ion battery positive electrode material and a preparation method therefor. Said method comprises the following steps: dissolving a nickel salt, a manganese salt, a potassium salt and a doping element salt in deionized water to obtain a metal ion salt solution at a certain concentration; adding the metal ion salt solution to an organic acid or a salt solution and stirring them; heating an organic acid or an organic acid salt precursor suspension to evaporate water until the water is completely evaporated to obtain a precursor powder of organic acid salts; or directly mixing organic acid salts containing nickel / manganese / potassium to obtain a precursor of the organic acid salts; and milling, pre-sintering, and then milling the precursor powder, and calcining same at high temperature to obtain a positive electrode material. The preparation method has operation steps with high controllability, and has low production cost, and scale production is easily carried out.
Owner:SOUTH CHINA UNIV OF TECH
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