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Gaming machine changing the volatility of the game
ActiveUS20090247284A1Changing the relative volatilityExcessive qualityApparatus for meter-controlled dispensingVideo gamesEngineeringGame play
The present invention is a gaming machine for playing a game and paying out an award according to play results, comprising a detector which recognizes a play history of a player, an analyzer which analyzes the play history, a controller which changes a volatility of the game according to the play history, and an initiator which initiates the game with changed volatility.
Owner:KONAMI GAMING
Health maintenance system for children
InactiveUS20050287502A1Reduce the burden onMore activeNutrition controlTeaching apparatusThird partyDiet habits
A system for monitoring and maintaining dietary intake and physical activity levels for children which involves reinforcing good dietary practices and punishing poor activity and dietary practices which utilizes a core application controlling access to selected third party software and which has an interface to allow parents to set goals and plan contingencies.
Owner:SOUTHARD BARBARA HELEN +1
Antigen activating method and antigen activator
ActiveUS20020182653A1Reduce concentrationReduce in quantityOrganic active ingredientsPreparing sample for investigationStainingMicrowave oven
An object of the present invention is to provide a reagent for activating and unmasking antigens in a immuno-tissue-chemical staining. A slice of tissue cells on a slide glass is heated or heated under pressurization by an electric pot, autoclave, microwave oven, scalder, or constant-temperature bath for a sufficient time period in CCA aqueous solution of suitable pH and CCA concentration, thereby activating and unmasking antigenicity of antigen masked by aldehyde fixation.
Owner:NAMIMATSU SHIGEKI
Directed evolution of oxidase enzymes
InactiveUS7098010B1Improve propertiesHigh expressionSugar derivativesBacteriaLactose oxidaseNucleotide
This invention relates to the expression of improved polynucleotide and polypeptide sequences encoding for eukaryotic enzymes, particularly oxidase enzymes. The enzymes are advantagoeusly produced in conventional or facile expression systems. Various methods for directed evolution of polynucleotide sequences can be used to obtain the improved sequences. The improved characteristics of the polypeptides or proteins generated in this manner include improved expression, enhanced activity toward one or more substrates, and increased thermal stability. In a particular embodiment, the invention relates to improved expression of the galactose oxidase gene and galactose oxidase enzymes. GAO mutants that are highly active and / or thermostable are disclosed.
Owner:CALIFORNIA INST OF TECH
Sulfur, nitrogen and transition metal doped graphene, preparation method and application thereof
InactiveCN106957055AImprove catalytic performanceEasy to prepareCarbon compoundsHybrid capacitor electrodesDoped grapheneSolar cell
The invention discloses a sulfur, nitrogen and transition metal doped graphene, a preparation method and an application thereof. Sulfur and nitrogen are doped and transition metal is loaded in the doped graphene. The preparation method of the doped graphene comprises the following steps: 1) adding graphene or graphite oxide, transition metal compound, nitrogen-containing compound and sulfur-containing compound into a solvent, fully and uniformly mixing, drying and grinding, thereby acquiring solid powder; and 2) placing the solid powder acquired in step 1) into vacuum or inert gas, increasing the temperature to 350-1200 DEG C at the heating rate of 3-10 DEG C / min, keeping the temperature for 0.5-6 hours and then reducing the temperature to room temperature at the cooling rate of 3-10 DEG C / min. The sulfur, nitrogen and transition metal doped graphene disclosed by the invention has an excellent catalytic performance; the preparation method is simple; the adopted raw materials are all nontoxic; the sulfur, nitrogen and transition metal doped graphene is environment-friendly, is easily popularized and is widely applied to the fields of primary lithium battery, lithium ion battery, fuel cell, solar cell, super-capacitor, and the like.
Owner:SOUTH CHINA NORMAL UNIVERSITY
Ssz-13 as a catalyst for conversion of chloromethane to olefins
InactiveUS20170057886A1Increased acid site strength of the aluminosilicate zeolitic catalystsEfficient conversionMolecular sieve catalystsMolecular sieve catalystAlkeneHydrocarbon
Disclosed are methods and systems for converting chloromethane to olefins. A method includes contacting an aluminosilicate catalyst having a chabazite zeolite structure with a feed that includes an alkyl halide and is substantially free of oxygenates under reaction conditions sufficient to produce an olefin hydrocarbon product comprising C2-C4 olefins.
Owner:SABIC GLOBAL TECH BV
Method of treating cancer and other conditions or disease states using L-cytosine nucleoside analogs
ActiveUS7951788B2More activeUseful in treatmentBiocideSkeletal disorderAbnormal tissue growthDisease
Owner:YALE UNIV
Hybrid material based on macrocyclic compound photosensitive dye and titanium dioxide and preparation method thereof, and application of hybrid material to photocatalysis
ActiveCN107899618AImprove stabilityEnhanced recycling stabilityOrganic-compounds/hydrides/coordination-complexes catalystsHydrogen productionPorphyrinHybrid material
The invention discloses a hybrid material based on a macrocyclic compound photosensitive dye and titanium dioxide and a preparation method thereof, and application of the hybrid material to photocatalysis. The hybrid material comprises the macrocyclic compound photosensitive dye and titanium dioxide, wherein the macrocyclic compound photosensitive dye is a calixarene compound or porphyrin compound. The invention also discloses the preparation method for the hybrid material based on the macrocyclic compound photosensitive dye and titanium dioxide, and application of the hybrid material to photocatalysis. The organic-inorganic hybrid material prepared from the macrocyclic compound photosensitive dye and titanium dioxide has a hierarchical porous structure, and can improve the free diffusionof gas and surface adsorption of CO2, increase the adsorption quantity and activation degree of reactants, reduce the possibility of electron-hole recombination and effectively enhance photocatalysisefficiency. Moreover, the hybrid material of the invention has high stability and is improved in cyclic utilization stability in photocatalysis.
Owner:SUN YAT SEN UNIV
Preparation method for small-grain Y type molecular sieve
ActiveCN104828839AImprove stabilityStability is not affectedFaujasite aluminosilicate zeoliteMolecular sieveCrystallinity
The invention discloses a preparation method for a small-grain Y type molecular sieve. According to the method, a NaY type molecular sieve raw material with a high silica-alumina ratio, a high degree of crystallization and good stability is employed and successively undergoes alkali washing, ammonium exchange, aluminum removal and silicon supplement, hydro-thermal treatment and treatment with a mixed solution of acid and an ammonium salt; and the obtained small-grain Y type molecular sieve has a high SiO2 / Al2O3 mol ratio and a high proportion of secondary pores, remains the stability of a Y type molecular sieve and has a high specific surface area and a high degree of crystallization. The small-grain Y type molecular sieve prepared in the invention is applicable as a cracking component for a hydrocracking catalyst used for high and medium oil and enables the hydrocracking catalyst to have good activity, medium oil selectivity and product properties.
Owner:CHINA PETROLEUM & CHEM CORP +1
Catalyst loading inverse opal carbon nitride with carbon defect with titanium carbide quantum dots and preparation method of catalyst
InactiveCN112076774AHigh specific surface areaImprove separation efficiencyHydrogen peroxideCatalyst activation/preparationPhotonic crystalPtru catalyst
The invention provides a catalyst loading inverse opal carbon nitride with carbon defect with titanium carbide quantum dots and a preparation method of the catalyst. The catalyst can be well applied to photocatalytic production of H2O2. Firstly, an ordered macroporous structure (inverse opal structure) is synthesized by taking three-dimensional ordered SiO2 spheres as a hard template through a hard template method. Carbon nitride precursor dicyandiamide is poured into a photonic crystal obtained by regular arrangement of SiO2 spheres through high-temperature calcination in Ar gas, and NH4HF2 etching is used for removing the template, thereby obtaining the inverse opal carbon nitride with carbon defects. The carbon defect is introduced while the carbon nitride forms an inverse opal structure, so that the specific surface area and the carrier separation efficiency of the carbon nitride are increased. By applying the catalyst to photocatalytic production of H2O2, the invention finds thatthe catalyst can efficiently produce H2O2 in response to visible light and has better catalytic activity than pure carbon nitride or inverse opal carbon nitride with only the carbon defect.
Owner:EAST CHINA UNIV OF SCI & TECH
Zinc indium sulfide-nitrogen doped graphene foam composite photocatalytic material, and preparation method and application thereof
ActiveCN110975918AImprove utilization efficiencyStable structureHydrocarbon from carbon oxidesCatalyst activation/preparationDoped grapheneO2 plasma
The invention relates to a zinc indium sulfide-nitrogen doped graphene foam composite photocatalytic material, and a preparation method and an application thereof. The composite photocatalytic material comprises three-dimensional nitrogen-doped graphene foam and two-dimensional zinc indium sulfide nanosheets vertically arranged on the surface of the nitrogen-doped graphene foam. The preparation method comprises the following steps: carrying out hydrophilic treatment on polyurethane sponge, soaking the polyurethane sponge in a graphene oxide suspension, drying the foam, calcining the dried foam, and carrying out O2 plasma cleaning to obtain three-dimensional nitrogen-doped graphene foam; and then mixing the three-dimensional nitrogen-doped graphene foam with an inorganic zinc salt, an inorganic indium salt and a sulfur-containing organic matter, carrying out a hydrothermal reaction, and carrying out post-treatment to obtain the zinc indium sulfide-nitrogen doped graphene foam compositephotocatalytic material. The composite material shows excellent photocatalytic activity under the irradiation of simulated sunlight, has enough ultraviolet-visible-near-infrared light photothermal conversion efficiency, enhances the utilization efficiency of sunlight, and has a good catalytic effect when being used for photocatalytic reduction of carbon dioxide.
Owner:WUHAN UNIV OF TECH
Nano-manganese dioxide for removing underground water heavy metal pollution and preparation method of nano-manganese dioxide for removing underground water heavy metal pollution
ActiveCN106319019AGood for oxidation adsorptionIrregular spatial structureBacteriaMicroorganism based processesPseudomonas putidaCell culture media
Disclosed are nano-manganese dioxide for removing underground water heavy metal pollution and a preparation method of the nano-manganese dioxide for removing underground water heavy metal pollution. The preparation method includes the steps of 1), inoculating one or more of Leptothrix discophora SS-1, Pseudomonas putida MnB1 and Bacillus sp SG-1 to a microbial growth medium and culturing at 25-30 DEG C; 2), centrifuging a mixture obtained in the step 1 to obtain a bacterial body and cleaning and precipitating the bacterial body; 3), inoculating the bacterial body obtained in the step 2 to a manganite culture medium and culturing at 25-30 DEG C; 4), adding MnCl2 and Na3VO4 into a product obtained in the step 3 and culturing at 28-30 DEG C so as to obtain black precipitate, namely the nano-manganese dioxide.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI
Bimetal covalent organic framework material and preparation method thereof and aptamer sensor
ActiveCN112321839AEvenly dispersedLarge specific surface areaMaterial analysis by electric/magnetic meansBiological testingCompound organicPhthalocyanine
The invention belongs to the technical field of composite functional materials, and particularly relates to a bimetal covalent organic framework material and a preparation method thereof and an aptamer sensor. The bimetal covalent organic framework material is a metal-covalent composite organic framework material, and comprises a covalent organic framework main body formed by carrying out a Schiffbase condensation reaction on tetraamino metal phthalocyanine and PTD, and metal ions compounded with a PTD unit on the covalent organic framework main body in a metal-organic coordination form, wherein the metal in the tetraamino metal phthalocyanine is selected from cobalt or nickel. The metal ions are introduced into porous COFs in a targeted manner to form metal covalent organic frameworks (MCOFs). The MCOFs can build a bridge between the MOFs and the COFs, so that the porosity, the stability, the crystallinity and the adjustability of the MOFs and the COFs can be balanced, and complementary characteristics are formed between the MOFs and the COFs.
Owner:ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
Preparation of Bi2WO6 spherical cluster with exposed {010} crystal plane families
InactiveCN104226212AImprove adsorption capacityMore activeOther chemical processesMicroballoon preparationCrystallographyCrystal plane
The invention discloses a preparation method of a Bi2WO6 spherical cluster with exposed {010} crystal plane families. The spherical cluster has a diameter of 2 to 4 microns and consists of Bi2WO6 nanosheets with a thickness of 15 to 30nm. The preparation method of the Bi2WO6 spherical cluster with the exposed {010} crystal plane families comprises the following processes: respectively dissolving Bi(NO3)3<.>5H2O and Na2WO4<.>2H2O into nitric acid and deionized water, wherein the molar ratio of Bi(NO3)3<.>5H2O to Na2WO4<.>2H2O is 2:1; after mixing, regulating pH of the obtained solution into a neutral value; finally, performing the hydrothermal reaction to obtain the Bi2WO6 spherical cluster with the exposed {010} crystal plane families. The preparation method is simple and easy to operate; the reaction is performed in the neutral solution; an organic additive does not need to be added; the prepared Bi2WO6 spherical cluster contains a great quantity of exposed {010} crystal plane families and is beneficial to attachment of dyes in the photocatalysis process and improvement of catalytic performance of visible light.
Owner:TIANJIN UNIV
Compositions and methods for making animal attractant and methods and systems for deploying animal attractant
The present invention provides a method for making a storable and deployable game attractant and the resulting composition. Ground animal bone creates a base bone powder that is processed into a storable and deployable attractant product that may be transported to a location and deployed for attracting game animals. The attractant product may be combined with at least one of the group consisting of a talc-based substance, a gland powder, and any other animal attractant. The attractant product may be applied to one of a group consisting of wicks, scent pads, and wafers. The attractant product may include a cover scent adapted to cover the scent of a human and / or a burn promoting substance to promote deployment of the attractant product. The attractant product may be processed into a form from the group consisting of a solid, a powder, a liquid, a gel, and a paste.
Owner:TATE JEFF
Indium zinc sulfide nanosheet/tubular tin oxide heterojunction and preparation method thereof, and application of indium zinc sulfide nanosheet/tubular tin oxide heterojunction in degradation and removal of water pollutants
ActiveCN110694645ALarge specific surface areaGrow morePhysical/chemical process catalystsWater/sewage treatment by irradiationHeterojunctionPhotocatalytic reaction
The invention discloses an indium zinc sulfide nanosheet / tubular tin oxide heterojunction and a preparation method thereof, and application of the indium zinc sulfide nanosheet / tubular tin oxide heterojunction in degradation and removal of water pollutants. According to the method, tin oxide nanotubes are prepared through an electrostatic spinning technology and a high-temperature calcination technology; and tin oxide serves as a substrate, and indium zinc sulfide nanosheets evenly grow on the surface of the substrate through an oil bath so as to construct the indium zinc sulfide nanosheet / tubular tin oxide heterojunction. Indium zinc sulfide is an important metal sulfide, has a band gap width of 2.6 to 2.7 eV and is a good semiconductor material, so the prepared indium zinc sulfide nanosheet / tubular tin oxide heterojunction has a large specific surface area, can provide more adsorption sites and catalytic active sites, effectively improves the separation efficiency of photo-induced electrons and holes, further improves the activity of a photocatalytic reaction, and can be better used for photocatalytic separation and degradation of water pollutants.
Owner:SUZHOU UNIV
Dried orange peel-Pu'er instant tea powder and preparation method thereof
The invention discloses a dried orange peel-Pu'er instant tea powder and a preparation method thereof. The dried orange peel-Pu'er instant tea powder is prepared by the steps: firstly, crushing and mixing dried orange peel and Pu'er tea, extracting with a high-efficiency high-differential-pressure technology, carrying out centrifugation micro-filtration on the extract liquid, then concentrating, adding maltodextrin in the concentrate, and spray-drying to obtain the dried orange peel-Pu'er instant tea powder. The prepared dried orange peel-Pu'er instant tea powder has the advantages of being convenient to brew, convenient to store, smooth in mouthfeel, strong in fragrance and the like, has the ordinary Pu'er tea efficacies of lowering blood lipid and caring health, and also is fully combined with the dried orange peel traditional Chinese medicine efficacies of regulating qi-flowing for strengthening spleen.
Owner:SERICULTURE & AGRI FOOD RES INST GUANGDONG ACAD OF AGRI SCI
Modification method of small-grain NaY-type molecular sieve
ActiveCN104591210AImprove stabilityStability is not affectedMolecular sieve catalystsFaujasite aluminosilicate zeoliteMolecular sieveNaphtha
The invention discloses a modification method of a small-grain NaY-type molecular sieve. According to the invention, the NaY-type molecular sieve raw material with relatively high silica-to-alumina ratio, high crystallinity and good stability is adopted. Through sequential steps of alkali wash, ammonium exchange, hydrothermal treatment, and acid and ammonium salt mixed solution treatment, the obtained small-grain Y-type molecular sieve has relatively high SiO2 / A12O3 molar ratio as well as relatively high secondary pore proportion. Also, the stability of the Y-type molecular sieve is maintained. The molecular sieve has relatively high specific surface area and relatively high crystallinity. The Y-type molecular sieve provided by the invention is suitable to be used as a cracking component of a light oil hydrocracking catalyst. With the Y-type molecular sieve, the catalyst has the advantages of good activity, good heavy naphtha selectivity and excellent product quality.
Owner:CHINA PETROLEUM & CHEM CORP +1
Novel MXene metal nano composite material, preparation method and application
ActiveCN113526507AImprove conductivityImprove electrochemical performanceConductive layers on insulating-supportsNitrogen compoundsMetal nanowiresComposite material
The invention relates to the technical field of MXene materials, in particular to a novel MXene metal nano composite material, a preparation method and application. The novel MXene metal nano composite material comprises a plurality of MXene material layers; and metal nanowires loaded between the MXene material layers. According to the novel MXene metal nano composite material provided by the invention, the metal nanowires are intercalated and loaded between the MXene material layers, and the metal nanowires on the surfaces of the MXene material layers and between the MXene material layers can be randomly combined to form a metal nanowire network, so that an MXene interlayer supporting effect can be achieved, the problem of interlayer collapse of the MXene material is avoided, the MXene material exposes a larger specific surface area, more active sites and interlayer energy storage spaces are provided, so that the conductivity, the electrochemical performance and the stability of the MXene metal nano composite material in practical application are improved.
Owner:XIAMEN UNIV
Preparation method of bismuth vanadate doped graphite phase carbon nitride nanosheet photocatalyst
PendingCN112452348ASimple processReduce manufacturing costPhysical/chemical process catalystsWater/sewage treatment by irradiationPtru catalystBismuth vanadate
The invention discloses a preparation method of a bismuth vanadate doped graphite phase carbon nitride nanosheet photocatalyst. The mehod comprises the following steps: adding graphite phase carbon nitride into an acetic acid solution, stirring, and carrying out ultrasonic treatment; adding bismuth chloride and sodium metavanadate into the solution; adjusting the pH value of the solution to 5-7; heating the mixed solution at 160-200 DEG C to react for 8-20 hours; and centrifugally separating, washing, and drying to obtain the catalyst. According to the invention, according to the characteristics that graphite-phase carbon nitride is non-toxic, easy to prepare, stable in thermodynamic and chemical properties, high in photocatalytic reducibility, narrow in bismuth vanadate band gap width, high in photocatalytic oxidation, capable of responding to visible light and having energy level difference, and the like, a bismuth vanadate doped graphite-phase carbon nitride nano composite materialis constructed, wherein the photon-generated carrier separation efficiency is remarkably improved, the recombination rate is greatly reduced, the response range of the material to visible light is further widened, and the oxidation-reduction capability is enhanced, so that the photocatalytic performance is further improved, and the composite material can be used for removing organic pollutants inthe environment and reducing CO2.
Owner:YANGZHOU UNIV
High-entropy alloy fiber as well as preparation method and application thereof
The invention discloses a high-entropy alloy fiber as well as a preparation method and application thereof, relates to an electrochemical catalyst and a preparation method thereof, and aims to solve the problems that an existing platinum catalyst is high in price and low in platinum reserve, and the electrochemical catalysis performance and the stability need to be improved. The preparation method comprises the steps: 1, weighing metal raw materials; 2, smelting the mixed metal raw materials into a metal button ingot by adopting a high-vacuum electric arc smelting furnace, and then melting the button ingot to form a master alloy rod by suction casting; 3, performing drawing treatment on the master alloy rod by adopting melt drawing equipment to obtain alloy fibers; and 4, carrying out free dealloying treatment on the alloy fibers. After the high-entropy alloy fiber is subjected to dealloying treatment, a porous structure is formed on the surface, the overpotential of 230 mV can be achieved on electrochemical oxygen evolution catalysis, the Tafel slope is about 40, a good catalysis effect is achieved, meanwhile, a good electrochemical hydrogen evolution catalysis effect is achieved, and the overpotential of hydrogen evolution catalysis is about 180 mV.
Owner:HARBIN INST OF TECH
Preparation method and application of carbon-coated nano copper-zinc-aluminum catalyst
InactiveCN109046362AHigh reactivityHigh selectivityOrganic compound preparationHydroxy compound preparationCarbonizationSlurry
The invention relates to a preparation method and application of a carbon-coated nano copper-zinc-aluminum catalyst. The method comprises the following steps: mixing a carbon-based material with a metal compound, adding ethanol, and stirring to obtain slurry; drying for 20-28 hours to obtain a precursor of a carbon-coated material; heating at 200-700 DEG C to obtain a carbonized compound; and thenadding the carbonized compound to concentrated hydrochloric acid to obtain an activated carbonization compound; and calcining under nitrogen protection to obtain a carbon-coated nano copper-based catalyst. The preparation method is used for preparing neopentyl glycol by hydrogenating hydroxypivalaldehyde, and has the advantages of high activity and loss resistance.
Owner:HEBEI UNIV OF TECH
Cobalt-based NANO catalyst and preparation method thereof
InactiveUS20140256535A1Enhance their dispersityImprove Co catalysisNanostructure manufactureHeterogenous catalyst chemical elementsNano catalystActive component
A cobalt-based nano catalyst including a metal combination as a core and a porous material as a shell. The metal combination includes a first metal component Co, a second metal component selected from Ce, La, and Zr, and a third metal component selected from Pt, Ru, Rh, and Re. The catalyst includes between 10 and 35 wt. % of the first metal component, between 0.5 and 10 wt. % of the second metal component, between 0.02 and 2 wt. % of the third metal component, and a carrier. The carrier is a porous material such as nano silica or alumina. The carrier is in the shape of a spheroid, has a pore size of between 1 and 20 nm and a specific area of between 300 and 500 m2 / g. The active component of the catalyst has a particle size of between 0.5 and 20 nm.
Owner:WUHAN KAIDI ENG TECH RES INST CO LTD
Method for utilizing ultraviolet light to activate bonded glass and other materials arranged in a stacked manner
ActiveCN108520854AImprove activation efficiencyMore activeSemiconductor/solid-state device manufacturingUltraviolet lightsOptoelectronics
The invention discloses a method for utilizing ultraviolet light to activate bonded glass and other materials arranged in a stacked manner. The method includes the following steps: cleaning surfaces of to-be-bonded materials; placing a wedge-shaped wafer; placing a glass wafer; activating a to-be-bonded wafer pair, removing the wedge-shaped wafer; and manually carrying out pressing to finish bonding. According to the method, ultraviolet light can penetrate the glass wafer to activate the to-be-bonded surfaces of the materials below and in-situ bonding during activation is carried out. In thisway, absorption of pollutant particles on hydrophilic surfaces can be reduced, interference of human factors can be reduced to a certain extent, the bonding quality of glass and other materials can beimproved effectively, and defects during bonding can be reduced.
Owner:HARBIN INST OF TECH
Gaming machine allowing a player to change the volatility of a game based on an amount of play history
ActiveUS8235809B2Changing the relative volatilityExcessive qualityApparatus for meter-controlled dispensingVideo gamesEngineeringGame based
The present invention is a gaming machine for playing a game and paying out an award according to play results, comprising a detector which recognizes a play history of a player, an analyzer which analyzes the play history, a controller which changes a volatility of the game according to the play history, and an initiator which initiates the game with changed volatility.
Owner:KONAMI GAMING
Vacuum freeze-dried green coffee beans and processing method thereof
ActiveCN105815516ARetain flavor componentsRetain nutrientsGreen coffee treatmentThree stageFreeze-drying
The invention relates to the field of food preliminary processing and discloses vacuum freeze-dried green coffee beans and a processing method thereof.According to the processing method, fresh coffee fruits are cleaned and drained before being pre-frozen; the fresh coffee fruits are subjected to vacuum freeze-drying at three stages; at the first stage, 30 min is spent, the temperature is raised by gradient to 50-60 DEG C, and constant-temperature drying is carried out for 12.5-14.5 h; at the second stage, 15 min is spent, the temperature is dropped by gradient to 45-55 DEG C, and constant-temperature drying is carried out for 7-9 h; at the third stage, 15 min is spent, the temperature is dropped by gradient to 40-50 DEG C, and constant-temperature drying is carried out for 2-4 h; lastly, the fresh coffee fruits are subjected to shelling and vacuum packaging, and the vacuum freeze-dried green coffee beans are obtained.A peculiar three-stage vacuum freeze-drying process is adopted for preliminary processing of the fresh coffee fruits, the green coffee beans with a good condition and many nutritional substances and flavored active substances are obtained; meanwhile, processing time is shortened in the whole process, and processing efficiency of the coffee preliminary processing industry is improved.
Owner:SPICE & BEVERAGE RES INST CHINESE ACAD OF TROPICAL AGRI SCI
Method for preparing hydrofining catalyst
ActiveCN110038584APore structure is suitableOptimized areaHeterogenous catalyst chemical elementsCatalyst activation/preparationOrganic acidNitrogen
The invention discloses a method for preparing a hydrofining catalyst. According to the hydrofining catalyst, firstly, a mixed solution A containing Ni and W and a sodium metaaluminate alkaline solution react in a parallel flow manner, obtained slurry is aged, then, a mixed solution B containing W, Mo and Al components and ammonia water are added to the aged slurry in a parallel flow manner, agingis performed, then, first drying, forming and second drying are performed, treatment is performed with a mixed aqueous solution of aluminum salt and organic acid, washing, third drying, calcination and other steps are performed, and the hydrofining catalyst is prepared. The catalyst can be applied to super deep hydrodesulfurization and hydrodenitrification reactions of diesel fractions, has higher hydrodesulfurization and hydrodenitrification reaction activity and is particularly applied to tretament of diesel materials with high nitrogen and sulfur content.
Owner:CHINA PETROLEUM & CHEM CORP +1
Thermal treatment method for nanometer tantalum powder
Owner:NO 52 INST OF CHINA NORTH IND GRP CORP
Method for preparing hydrocracking catalyst
ActiveCN110038620AHigh activityHigh selectivityMolecular sieve catalystsHydrocarbon oils refiningOrganic acidMolecular sieve
The invention discloses a method for preparing a hydrocracking catalyst. According to the catalyst, firstly, a mixed solution A containing Ni and W and a sodium metaaluminate alkaline solution are subjected to a gelatinization reaction in a parallel flow manner, obtained slurry is aged, then, a mixed solution B containing W, Si and Al components and ammonia water are added to the aged slurry in aparallel flow manner to be subjected to a gelatinization reaction, aging is performed after a suspension of a molecular sieve is added, then, drying, forming and re-drying are performed, treatment isperformed with a mixed aqueous solution of aluminum salt and organic acid, washing, drying and calcination are performed, and the hydrocracking catalyst is prepared. The hydrocracking catalyst is applied to medium oil type hydrocracking catalysts and has good activity and selectivity.
Owner:CHINA PETROLEUM & CHEM CORP +1
Multifunctional stable coated fertilizer and preparation method thereof
InactiveCN109651014ASolve the problem of surface fadingGood lookingBioloigcal waste fertilisersAmmonium nitrate fertilisersMicrobial agentBiochar
The invention provides a multifunctional stable coated fertilizer, which mainly comprises the following components (by weight): 900-1000 parts of a fertilizer nutrient raw material, 20-40 parts of a bonding aid, 40-60 parts of ammoniated humic acid, 10-30 parts of biochar, 1-10 parts of a microbial agent, and 1-10 parts of other auxiliaries. The multi-functional stable coated fertilizer of the invention can effectively solve the problem of surface fading of the fertilizer by adding the modified humic acid-ammoniated humic acid; and the carbon-nitrogen ratio can be regulated with the cooperation of biochar, and the survival rate of bacillus microorganisms can be raised. The appearance of the fertilizer can be improved, and fertilizer efficiency of the fertilizer also can be enhanced.
Owner:SHENZHEN BATIAN ECOTYPIC ENG
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