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Fungal alpha-amylase-containing beer complex enzyme and preparation method thereof
ActiveCN104651335AEnsure food safetyIncrease profitOxidoreductasesGlycosylasesAntioxidantAlpha-amylase
The invention discloses a fungal alpha-amylase-containing beer complex enzyme and a preparation method thereof, belonging to the field of enzyme preparation processing. The high-activity fungal alpha-amylase and other food grade enzyme preparations, plant extracts, antioxidants, protective agents, activating agents and the like can be scientifically compounded by taking concentrated maltase and concentrated malt juice powder as main raw materials; the prepared beer complex enzyme is complete in proteases, high in enzyme activity, difficult to deactivate, mellow in malt aroma, and capable of providing abundant nitrogen source for malt juice, wherein the activity of fungal alpha-amylase in fermenting liquor during the preparation of fungal alpha-amylase is 17000-21000 U / mL. The complex enzyme can be stored for 12 months under the conditions of 0DEG C and 40DEG C, the single enzyme activity loss in the complex enzyme are respectively 0.50% and 0.72%, the enzyme deactivation caused by environment change, and inappropriate operation methods during packaging, storage, transportation, use and the like can be effectively prevented, especially the enzyme deactivation caused by high temperature can be prevented.
Owner:湖南新鸿鹰生物工程有限公司
Polyamide composition
InactiveUS20110196080A1Improve liquidityExcellent in solder reflow resistanceGreenhouse cultivationCultivating equipmentsIonomerHalogen
A polyamide composition comprising: 100 parts by mass of polyamide (A) with a melting point of 270° C. to 340° C., 1 to 100 parts by mass of flame retardant (B), and 1 to 10 parts by mass of anti-dripping agent (C), wherein the anti-dripping agent (C) comprises a fluorine resin (C1) and at least one polymer (C2) selected from the group consisting of an ionomer and a modified aromatic vinyl-based polymer containing less than 15 mass % of halogen atom, in which a mass ratio of the fluorine resin (C1) / the polymer (C2) is 1 / 4 to 4 / 1.
Owner:KURARAY CO LTD
Rotary hearth furnace iron-making method utilizing biomass carbon-containing pellet to serve as raw material
InactiveCN102586529ARealize rational utilizationLarge reservesFluidised-bed furnacesBiomass carbonCoke
A rotary hearth furnace iron-making method utilizing biomass carbon-containing pellets to serve as a raw material belongs to the field of ferrous metallurgy and relates to a rotary hearth furnace iron-making process using the biomass to serve as iron-making fuel and a reducing agent. The process comprises the steps, utilizing reproducible carbon neutral biomass coke powder to replace pulverized coal, enabling the biomass coke powder and the iron ore powder to be matched with each other according to C / O=1.1-1.4, adding an appropriate binder, evenly mixing to make pellets, and enabling the pellets to enter a rotary hearth furnace to be heated and undergo reduction so that a metalized pellet is obtained. The biomass coke has carbon neutral and can fundamentally reduce discharge of pollutantssuch as CO2 caused by coal consumption. The impurity content of the biomass coke is little, the problem that sulphur content of products caused by coal using is too high is solved, and the comprehensive quality of the products is improved. The energy in the preparation process of the biomass coke can be supplied by biomass itself, and green circulating production is substantially achieved. The rotary hearth furnace iron-making method expands energy sources for rotary hearth furnace iron making, reduces production cost, improves product quality and production efficiency and reduces environmental pollution.
Owner:UNIV OF SCI & TECH BEIJING
Preparation method of biomass iron coke for blast furnace
InactiveCN108219807AImprove responseHigh strengthSpecial form destructive distillationHigh intensityComponents of crude oil
The invention discloses a preparation method of biomass iron coke for a blast furnace. The iron coke has the characteristics of high reactivity and high strength, and has a certain protective effect on original large blocks of coke, and meanwhile, the breathability of the blast furnace is maintained; the emission amount of CO2 can be reduced, and the production of the blast furnace can also be ensured; the iron coke prepared by the preparation method is low in energy consumption and low in investment; biomass coke is taken as a main raw material; the biomass coke is large in storage capacity and can be renewed, so that reasonable utilization of resources can be realized; the production cost is low; meanwhile, the problem that iron-making industry relies heavily on fossil energy is solved;according to the method, carbon-containing pellets can be produced, and dust, such as converter dust, blast furnace mash gas dust and sintering machine head dust, of an iron and steel plant can also be recycled; the production cost is reduced. The biomass components are superior to those of coal ash; clean production can be realized; energy conversation and emission reduction can be realized; low-sulphur low-phosphorus final products are obtained.
Owner:ANGANG STEEL CO LTD
Beer compound enzyme containing acid protease and preparation method of beer compound enzyme containing acid protease
InactiveCN105316299AEnsure food safetyIncrease profitHydrolasesOxidoreductasesFood gradeProteinase activity
The invention discloses a beer compound enzyme containing acid protease and a preparation method of the beer compound enzyme containing the acid protease and belongs to the field of enzyme preparation processing. The beer compound enzyme complete in protease system, high in enzyme activity, less prone to inactivation, strong in malt fragrance and capable of providing a rich nitrogen source for wort is mainly prepared from a concentrated malt enzyme and concentrated wort powder by scientifically compounding food-grade enzyme preparations such as the high-activity acid protease, plant extracts, antioxidants, protective agents, activating agents and the like, wherein the enzyme activity of the acid protease in fermentation liquor in an fermentation liquor preparation process is 18000-20000U / mL. When the beer compound enzyme is stored at the temperatures of 0 DEG C and 40 DEG C for 12 months, enzyme inactivation rates of single enzyme in the beer compound enzyme are 0.53% and 0.8% respectively, so that enzyme inactivation caused by environment changes and improper operation methods during packaging, storage, transportation, use and the like can be prevented effectively, and especially, enzyme inactivation caused by high temperature can be prevented.
Owner:湖南新鸿鹰生物工程有限公司
Ring-opening polymer of cyclopentene and method of production of same
There is provided a ring-opening polymer of cyclopentene wherein a cis ratio of cyclopentene-derived structural units is 30% or more, the weight average molecular weight (Mw) is 100,000 to 1,000,000, and an oxysilyl group is included at an end of the polymer chain. For example, the ring-opening polymer of cyclopentene can be obtained by ring opening polymerization of cyclopentene in the presence of a compound of a transition metal belonging to Group 6 in the Periodic Table, an organoaluminum compound represented by the following general formula (1), and an olefinically unsaturated hydrocarbon containing an oxysilyl group.(R1)3-xAl(OR2)x (1)(in the general formula (1), R1 and R2 represent a hydrocarbon group having 1 to 20 carbon atoms and x satisfies the requirement 0<x<3.)
Owner:ZEON CORP
Beer compound enzyme containing neutral protease
ActiveCN103865701AImprove performanceImprove stabilityHydrolasesWort preparationLoss rateNeutral protease
The invention discloses a beer compound enzyme containing neutral protease, and belongs to the field of processing of an enzyme preparation. The beer compound enzyme takes natural concentrated malt enzyme as a main raw material, and the mixed enzyme is scientifically compounded, so that not only is an enough enzyme source replenished, but also the beer compound enzyme is more enough in enzyme activity, more excellent in preservation property, more abundant in nitrogen source, and more sufficient in malt fragrance under the synergistic effects of a protective agent and an activating agent; the enzyme activity loss rate after storage for two years at normal temperature is smaller than 3%; the neutral protease in the mixed enzyme is prepared by liquid deep mixed fermentation under a specific fermentation condition by taking bacillus subtilis 1398-2-12 producing the neutral protease with strong thermal stability as an original strain, the enzyme activity of the neutral protease is 5500-7000U / mL, the optimum reaction temperature is 70 DEG C, the optimum reaction pH value is 7.2, and the neutral protease is more suitable for beer brewing. The beer compound enzyme is scientific to compound, the product is complete in function, long in expiration date, and convenient to transport, store and use, and a basis is established for production of excellent beer.
Owner:HUNAN HONGYING BIOTECHNOLOGY CO LTD
Phosphoric and Acrylic Copolymer Resin Having Excellent Transparency and Flame Retardancy and Resin Composition Including the Same
InactiveUS20110160400A1Excellent compositionImprove flame retardant performancePhosphoric acidPolyresin
The present invention provides a phosphoric and acrylic copolymer resin that can have good transparency, scratch resistance and flame retardancy and a composition including the same. The phosphoric and acrylic copolymer resin includes repeat units of (A-1) at least one vinyl monomer and (A-2) at least one phosphoric monomer.
Owner:CHEIL IND INC
Ring-opening polymer of cyclopentene and method of production of same
There is provided a ring-opening polymer of cyclopentene wherein a cis ratio of cyclopentene-derived structural units is 30% or more, the weight average molecular weight (Mw) is 100,000 to 1,000,000, and an oxysilyl group is included at an end of the polymer chain. For example, the ring-opening polymer of cyclopentene can be obtained by ring opening polymerization of cyclopentene in the presence of a compound of a transition metal belonging to Group 6 in the Periodic Table, an organoaluminum compound represented by the following general formula (1), and an olefinically unsaturated hydrocarbon containing an oxysilyl group.(R1)3-xAl(OR2)x (1)(in the general formula (1), R1 and R2 represent a hydrocarbon group having 1 to 20 carbon atoms and x satisfies the requirement 0<x<3.)
Owner:ZEON CORP
Electroslag remelting method for Hastelloy
ActiveCN110331301AUniform coagulation tissueWell-organized ingredientsFurnace typesHeat treatment furnacesSlagFilling ratio
The invention discloses an electroslag remelting method for Hastelloy, wherein an adopted consumable electrode is subjected to high-temperature diffusion annealing at 1100-1150 DEG C, after which theelectroslag remelting is performed under the protection of argon; and the smelting rate during the electroslag remelting is 3 kg / min-3.5 kg / min. According to the electroslag remelting method, the adopted consumable electrode is subjected to high-temperature diffusion annealing firstly, the electroslag remelting is performed after homogenization is finished, low smelting speed control is adopted, and thus a uniform solidification structure of a cast ingot can be effectively guaranteed, and a Hastelloy steel ingot with uniform and excellent component structure is obtained. According to the electroslag remelting method, the matching of an electroslag slag system is guaranteed, the liquidus temperature of Hastelloy is relatively low, a shallow and flat molten pool can be obtained by adopting higher voltage and lower current in the smelting period, and therefore good surface quality can be guaranteed at a low smelting speed; and by properly increasing the filling ratio, the electroslag process is improved, the direct current component of the crystallizer in the electroslag process is increased, the lower slag temperature and the smaller molten pool volume are kept, the width of a two-phase region is reduced, the local solidification time is shortened, and a better solidification structure is obtained.
Owner:HEBEI IRON AND STEEL
Ring-opening polymer of cyclopentene and method of production of same
There is provided a ring-opening polymer of cyclopentene wherein a cis ratio of the cyclopentene-derived structural units is 30% or more, a weight average molecular weight (Mw) is 100,000 to 1,000,000, and a functional group containing a structure represented by the general formula (1) or (2) is included at an end of the polymer chain.—Y—H (1)(in the above general formula (1), Y represents an oxygen atom or a sulfur atom.)—NH-Q (2)(in the above general formula (2), Q represents a hydrogen atom or a hydrocarbon group or a silyl group which may have a substituent group.)
Owner:ZEON CORP
Beer complex enzyme capable of improving beer foam property
The invention discloses a beer complex enzyme capable of improving beer foam property, belonging to the field of enzyme preparation processing. The beer complex enzyme takes natural concentrated malt enzyme and concentrated wort powder as main raw materials, mixed enzyme is compounded scientifically, so that a sufficient enzyme source is supplemented, what is important is that under the synergistic effect of a protective agent and an activating agent, the enzyme has stronger activity and more excellent preservation property, the nitrogen source is richer, and the enzyme activity loss ratio is less than 3% when the beer is preserved for two years. The beer complex enzyme is compounded scientifically, has a simple preparation method, has complete functions and long shelf life, is convenient to transport, store and use, and especially lays a firm foundation for additional enzymic preparation glycation by high accessory proportion, reduction of beer production cost, guarantee of the nitrogen source in the wort, and production of excellent beer with good foam property and rich foam.
Owner:HUNAN HONGYING BIOTECHNOLOGY CO LTD
Whole nutritive primary-taste porridge by using plumules as core, and making method of whole nutritive primary-taste porridge
ActiveCN107927581ARich in mineralsExcellent compositionFood shapingNatural extract food ingredientsFiberFlavor
The invention relates to whole nutritive primary-taste porridge by using plumules as a core, and a making method of the whole nutritive primary-taste porridge. The whole nutritive primary-taste porridge is made from the following raw materials in parts by weight: 30-90 parts by weight of glutinous rice, 2-12 parts by weight of sprouted chickpeas, 2-8 parts by weight of sprouted mung beans, 12-24 parts by weight of diced carrots, 12-36 parts by weight of sprouted brown rice, 20-80 parts by weight of glutinous corn, 6-24 parts by weight of fructo-oligosaccharide, 1-10 parts by weight of oat fibers, 1-10 parts by weight of starch, 1-10 parts by weight of konjac powder, 0.1-1 part by weight of corn germ powder, 0.01-0.025 part by weight of sucrose fatty acid ester, 0.01-0.1 part by weight of D-sodium ascorbate and 800-950 parts by weight of purified water. According to the whole nutritive primary-taste porridge disclosed by the invention, gamma-aminobutyric acid is enriched in the productnamely the whole nutritive primary-taste porridge, the raw materials of corn germs, the sprouted brown rice, the sprouted mung beans, the chickpeas, the glutinous rice, carrots, corn, the oat fibers and the like are screened, and the whole nutritive primary-taste porridge is processed and cooked; and besides, a food grain food material autologous stabilizing system is used, and the whole nutritiveprimary-taste porridge is reasonable in compatibility, and rich in flavor, and is suitable for all consumption crowds and suitable for old people and young people.
Owner:ANHUI TONGFU FOOD
Corpse-treatment composition and corpse-treatment method
InactiveUS20090282659A1Improvement factorPrevent leakageDead animal preservationVegetable oilDead body
The purpose of this invention is to provide a comprehensively excellent composition to prevent bodily fluids leakage from a corpse and the treatment method to prevent bodily fluids. The composition can be stored for a long time in spite of using superabsorbent polymer. The composition can be easily injected in a corpse with gas pressure when applied. The composition turns jellied instantly when it contacts to bodily fluids and can prevent bodily fluids leakage certainly.The corpse-treatment composition is made as fine powder of superabsorbent polymer to enable to gel water is dispersed in liquefied gas with dissolved essential oil or vegetable oil in an aerosol-can. The corpse-treatment method is the method as corpse-treatment composition in the state that fine powder of superabsorbent polymer to enable to gel water is dispersed in liquefied gas with dissolved essential oil or vegetable oil is injected into a corpse in an aerosol state.
Owner:AZEX CORP
Compound enzyme for bear
ActiveCN103242996BExcellent compositionGood enzymatic effectHydrolasesBeer brewingTerra firmaMalt Flavor
The invention discloses a compound enzyme for bear, and belongs to the field of enzyme preparation processing. The compound enzyme adopts a natural concentrated maltase as a main material, and is complexed with a mixed enzyme scientifically, so that not only are full enzyme sources filled, but also more importantly under the synergistic effect of a protective agent and an activating agent, the enzyme activity is enough, the storage performance is good, a nitrogen source is rich, the malt flavor is strong, and the loss rate of the enzyme activity after 2-year storage at normal temperature is less than 3%. The compound enzyme disclosed by the invention has the advantages that the complexing is scientific, the preparation process is simple, the function of a product is complete, the storage period is long, the transportation, the storage and the use are convenient, especially a solid foundation is laid for carrying out added enzyme-preparation saccharification with the auxiliary-material ratio, reducing the production cost of the bear and producing the high-quality traditional bear with rich nutritional values and natural-pure taste and flavor.
Owner:HUNAN HONGYING BIOTECHNOLOGY CO LTD
Method for installing local area network in elevator internet of things
The invention relates to the field of elevator internets of things, and discloses a method for installing a local area network in an elevator internet of things. The method includes the steps of installing a gateway in a control cabinet in an elevator machine room of a central building; installing nodes at the positions in other control cabinets, except the control cabinet where the gateway is located, in the elevator machine room of the central building respectively, wherein the network signal receiving strength of the positions is equal to the first preset strength; installing a first-stage relay at the position on the top of the elevator machine room of the central building, wherein the network signal receiving strength of the position is equal to the second preset strength; installing N-stage relays at the positions on the tops of elevator machine rooms of other buildings, except the central building, in a monitored area of the elevator internet of things respectively, wherein the network signal receiving strength of the positions is equal to the third preset strength; installing nodes at the positions in the control cabinets in the elevator machine rooms of other buildings respectively, wherein the network signal receiving strength of the positions is equal to the fourth preset strength. Compared with the prior art, the optimal local area network is formed by the nodes, the gateway and the relays.
Owner:SHANGHAI STEP ELECTRIC
Halogen-free flame retardant pressure sensitive adhesive composition and adhesive tape
PendingCN111909629AExcellent compositionReduce or eliminate stickinessNon-macromolecular adhesive additivesEster polymer adhesivesPolymer scienceAdhesive belt
The invention provides a halogen-free flame-retardant pressure-sensitive adhesive composition and an adhesive tape prepared from the halogen-free flame-retardant pressure-sensitive adhesive composition. The halogen-free flame-retardant pressure-sensitive adhesive composition includes at least one base polymer and at least one flame-retardant tackifying resin compound represented by formula (1), wherein R1 is a substituted or unsubstituted six-membered ring-containing hydrocarbon group, and R2 is an unsubstituted or substituted biphenylene group, and n is an integer of 1 to 3. The flame-retardant pressure-sensitive adhesive composition does not contain a halogen-containing flame retardant and does not contain a conventional flame retardant alone, thereby avoiding the problems of difficult mixing, migration and the like of the flame retardant, and maintaining an appropriate adhesive strength while maintaining excellent flame retardancy.
Owner:TESA SE
Novel multi-strain composite starter for flour products and application thereof
ActiveCN110577906AShort fermentation timeEasy to store and transportFungiBacteriaFlavorAdditive ingredient
The invention relates to the technical field of food processing, especially to a novel multi-strain composite starter for flour products and application thereof. The novel multi-strain composite starter for flour products includes Lactobacillus plantarum, Lactobacillus bulgaricus, Streptococcus thermophilus, Saccharomyces cerevisiae powder and Wickerhamomyces anomalus. The weight ratio of Lactobacillus plantarum to Lactobacillus bulgaricus to Streptococcus thermophilus to Saccharomyces cerevisiae powder to Wickerhamomyces anomalus is 1-3: 0.1-3: 0.1-3: 3-9: 0.1-6. By using the novel multi-strain composite starter to prepare flour products, the problem that fermented flour products (such as steamed buns, bread, etc.) produced by using commercial yeast alone have single taste and flavor is solved, and the problem that the fermentation time is long, nutritional ingredients are destroyed and harmful microbes are easy to generate if a fermented flour product is prepared by using traditionalsour dough is solved.
Owner:INST OF AGRO FOOD SCI & TECH CHINESE ACADEMY OF AGRI SCI
Additive, electrolyte and application thereof in improving low-temperature performance of lithium battery
PendingCN114156536AHigh viscosityGood low temperatureSecondary cells servicing/maintenanceOrganic electrolytesElectrolytic agentPhysical chemistry
The invention relates to the field of batteries, in particular to an additive, an electrolyte and application thereof in improving the low-temperature performance of a lithium battery. The additive for the electrolyte provided by the invention can be prior to an electrolyte solvent, a thin and continuous SEI film is formed in the lithium battery, and compared with an SEI film formed by a traditional electrolyte, the film has the advantages that the impedance of main components is lower, and the conductivity is better, so that the lithium battery applying the additive or the electrolyte has excellent low-temperature performance.
Owner:DALIAN CBAK POWER BATTERY CO LTD
A kind of production method of yogurt rich in active polysaccharide
The invention discloses a production method for sour soybean milk with rich active polysaccharides. The production method is characterized by comprising the following steps of: dissolving and homogenizing white sugar in a milk material to obtain degreased reconstituted milk, and washing dry soybeans, dipping in water, pulping and filtering residues to obtain fresh soybean milk; mixing the degreased reconstituted milk with the fresh soybean milk according to a volume ratio of (4 to 3) to 1 to obtain a milk and soybean milk mixing material; sterilizing and cooling the milk and soybean milk mixing material in a water bath, adding a compound fermentation bacterial agent according to the inoculum concentration of 0.1% by massic volume percent, adding a high-yield exopolysaccharide lactococcus lactis fermentation agent according to the inoculum concentration of 3%-6% by massic volume percent, fermenting for 4-10 hours at the temperature of 37-42 DEG C, and performing after-ripening for 12-24 hours in a refrigeration house of 2-4 DEG C to obtain the sour soybean milk. The sour soybean milk has the advantages of being thick in texture, sweet and fragrant in taste, rich in active polysaccharides, high in nutritional value and reasonable in amino acid proportion, and having a certain healthcare function.
Owner:NINGBO UNIV
Beer complex enzyme capable of improving beer foam property
The invention discloses a beer complex enzyme capable of improving beer foam property, belonging to the field of enzyme preparation processing. The beer complex enzyme takes natural concentrated malt enzyme and concentrated wort powder as main raw materials, mixed enzyme is compounded scientifically, so that a sufficient enzyme source is supplemented, what is important is that under the synergistic effect of a protective agent and an activating agent, the enzyme has stronger activity and more excellent preservation property, the nitrogen source is richer, and the enzyme activity loss ratio is less than 3% when the beer is preserved for two years. The beer complex enzyme is compounded scientifically, has a simple preparation method, has complete functions and long shelf life, is convenient to transport, store and use, and especially lays a firm foundation for additional enzymic preparation glycation by high accessory proportion, reduction of beer production cost, guarantee of the nitrogen source in the wort, and production of excellent beer with good foam property and rich foam.
Owner:HUNAN HONGYING BIOTECHNOLOGY CO LTD
Turtle soup and production method thereof
The invention relates to a turtle soup and a production method thereof. The turtle soup is prepared by the following steps of: performing enzymolysis on turtle meat to prepare turtle protein extract; performing water extraction on hawthorn fruit, lemon and the like; and mixing and uniformly stirring components in proportion to prepare a finished product. The turtle soup is a purely natural biological product, and has the characteristics of simple and short production process, complete maintenance of activated nutritional ingredients of amino acids in turtle proteins and simultaneously no other harmful substances. The amino acid composition of the turtle proteins is superior to other animal proteins and is the best choice for human bodies to absorb and utilize the amino acids. The product contains a plurality of amino acids necessary for the human bodies, and auxiliary materials, such as the hawthorn fruit, lemon and the like, are rationally added, so the product has comprehensive and balanced nourishing functions.
Owner:黄学敏
Yarrowia lipolytica genetically engineered bacteria and application thereof
InactiveCN111979135AEasy to buildIncrease productionFungiMicroorganism based processesLong chain fatty acidMicrobiology
The invention provides a yarrowia lipolytica genetically engineered bacteria producing wax esters. The yarrowia lipolytica genetically engineered bacteria producing wax esters is obtained by overexpressing wax ester synthase and fatty acyl coenzyme A reductase gene based on yarrowia lipolytica engineering bacterium capable of producing ultra-long-chain fatty acids. The yarrowia lipolytica engineering bacterium capable of producing ultra-long-chain fatty acids is constructed by knocking an AtKCS gene, a CraKCS gene and an MaELO3 gene into a chromosome of yarrowia lipolytica which knocked out aPEX10 gene. Finally, four yarrowia lipolytica engineering bacteria WE01, WE02, WE03, WE04 which produc wax esters are constructed, wherein the WE01 engineering bacteria can be fermented through continuous feeding, and the yield of the wax esters can achieve 2g / L. The constructed yarrowia lipolytica genetically engineered bacteria is simple to operate and reliable in performance, and can be appliedto large-scale commercial production.
Owner:EAST CHINA UNIV OF SCI & TECH
Liquid crystal compound having negative dielectric anisotropy, liquid crystal composition using this and liquid crystal display device
ActiveCN102307838BLow viscosityAppropriate optical anisotropyLiquid crystal compositionsOrganic chemistryCarbon numberCrystallography
The invention provides a liquid crystal compound having general physical properties necessary for a liquid crystal compound, that is to say, stability to heat, light or the like, a small viscosity, a suitable value of refractive index anisotropy, a suitable value of dielectric anisotropy, steep characteristics electro-optic characteristics, a wide temperature range of a nematic phase and an excellent compatibility with other liquid crystal compounds, and a liquid crystal compounds especially having a wide temperature range of a nematic phase. A compound represented by formula (1). For example, R 1 and R 2 are each independently alkyl having 1 to 9 carbons or alkenyl having 2 to 9 carbons, alkoxy having 1 to 8 carbons or alkenyloxy having 2 to 8 carbons; Q 1 and Q 4 are each independently fluorine or chlorine; Q 2 and Q 3 are each independently hydrogen, fluorine or chlorine, and one of Q 2 and Q 3 is hydrogen; Z is -CH 2 O or -COO-; and h is 1 or 2.
Owner:JNC CORP +1
A high-performance sealant for communication engineering construction
ActiveCN104327789BExcellent compositionShort curing timeNon-macromolecular adhesive additivesOther chemical processesEtherSealant
The invention discloses a high-performance sealant for communication engineering construction and belongs to the technical field of preparation of sealants. The high-performance sealant comprises the following components in parts by mass: 62-75 parts of isocyanate, 23-30 parts of polytetrahydrofuran glycol, 1-2 parts of 2,5-di-tert-butylhydroquinone, 5-7 parts of polyisobutene, 3-4 parts of bis(2-dimethylaminoethyl) ether, 3-4 parts of mineral oil, 2-10 parts of polysiloxane, 0.8-2.5 parts of calcium carbonate, 0.8-2.5 parts of mica powder and 0.5-1.3 parts of ceramic powder. The high-performance sealant provided by the invention has the advantages of excellent weather fastness and insulating property and short curing time.
Owner:佛山市金德利粘胶有限公司
Installation method of local area network in elevator Internet of Things
Owner:SHANGHAI STEP ELECTRIC
Fish protein and vegetable protein or milk protein composite powder
InactiveCN109567210ARich source of varietyHigh protein contentNatural extract food ingredientsFood ingredient functionsMaltitolAnimal protein
The invention discloses fish protein and vegetable protein or milk protein composite powder. The fish protein and vegetable protein or milk protein composite powder is prepared from fish protein powder, vegetable protein powder or milk protein powder, milk powder, malt dextrin, soybean phospholipid, almond powder, peanut powder, walnut powder, herba dendrobii powder, passion fruit powder, citric acid, maltitol, a nutrition enhancer and Chinese herbal medicine extract. The fish protein and vegetable protein or milk protein composite powder provided by the invention takes the fish protein powder, the vegetable protein powder and the milk protein powder as raw materials, and auxiliary components including the milk powder, the malt dextrin, the soybean phospholipid, the almond powder, the peanut powder and the walnut powder and the like are added to prepare the composite protein powder; the composite protein powder contains rich vegetable protein and animal protein, has abundant protein types and sources and high protein content and is scientific and reasonable in proportion; the composition of essential amino acids is better than single protein and the intake amount of human bodies onthe essential amino acids is met and is better than an evaluated value of the physiological essential amino acid requirement, which is recommended by Food and Agriculture Organization of the United Nations and World Health Organization.
Owner:GUANGDONG OCEAN UNIVERSITY
Rotary hearth furnace iron-making method utilizing biomass carbon-containing pellet to serve as raw material
InactiveCN102586529BRealize rational utilizationLarge reservesFluidised-bed furnacesBiomass carbonCoke
A rotary hearth furnace iron-making method utilizing biomass carbon-containing pellets to serve as a raw material belongs to the field of ferrous metallurgy and relates to a rotary hearth furnace iron-making process using the biomass to serve as iron-making fuel and a reducing agent. The process comprises the steps, utilizing reproducible carbon neutral biomass coke powder to replace pulverized coal, enabling the biomass coke powder and the iron ore powder to be matched with each other according to C / O=1.1-1.4, adding an appropriate binder, evenly mixing to make pellets, and enabling the pellets to enter a rotary hearth furnace to be heated and undergo reduction so that a metalized pellet is obtained. The biomass coke has carbon neutral and can fundamentally reduce discharge of pollutantssuch as CO2 caused by coal consumption. The impurity content of the biomass coke is little, the problem that sulphur content of products caused by coal using is too high is solved, and the comprehensive quality of the products is improved. The energy in the preparation process of the biomass coke can be supplied by biomass itself, and green circulating production is substantially achieved. The rotary hearth furnace iron-making method expands energy sources for rotary hearth furnace iron making, reduces production cost, improves product quality and production efficiency and reduces environmental pollution.
Owner:UNIV OF SCI & TECH BEIJING
A kind of beer compound enzyme containing fungal α-amylase and preparation method thereof
The invention discloses a fungal alpha-amylase-containing beer complex enzyme and a preparation method thereof, belonging to the field of enzyme preparation processing. The high-activity fungal alpha-amylase and other food grade enzyme preparations, plant extracts, antioxidants, protective agents, activating agents and the like can be scientifically compounded by taking concentrated maltase and concentrated malt juice powder as main raw materials; the prepared beer complex enzyme is complete in proteases, high in enzyme activity, difficult to deactivate, mellow in malt aroma, and capable of providing abundant nitrogen source for malt juice, wherein the activity of fungal alpha-amylase in fermenting liquor during the preparation of fungal alpha-amylase is 17000-21000 U / mL. The complex enzyme can be stored for 12 months under the conditions of 0DEG C and 40DEG C, the single enzyme activity loss in the complex enzyme are respectively 0.50% and 0.72%, the enzyme deactivation caused by environment change, and inappropriate operation methods during packaging, storage, transportation, use and the like can be effectively prevented, especially the enzyme deactivation caused by high temperature can be prevented.
Owner:湖南新鸿鹰生物工程有限公司
Total-effect beer compound enzyme
ActiveCN103266032BExcellent compositionGood enzymatic effectHydrolasesWort preparationFlavorNutritive values
The invention discloses total-effect beer compound enzyme, and belongs to the field of enzyme preparation processing. The beer compound enzyme is scientific compound enzyme which adopts natural concentrated malt enzyme as the main material, so that not only can a sufficient enzyme source be supplemented, but also under the synergistic effect of protective agent and activator, the enzyme activity is more sufficient, the storage performance is better, the nitrogen source is richer, the malt fragrance is more sufficient, and enzyme activity loss ratio is lower than 3% after the two-year storage at the room temperature. The total-effect beer compound enzyme disclosed by the invention is scientific in composition, simple in preparation process, complete in product functions, long in quality guarantee period, convenient to transport, store and use. Especially, the total-effect beer compound enzyme can be used for carrying out saccharification onto external enzyme preparation with a high auxiliary material proportion, so that the beer production cost is lowered, and a solid foundation is laid up for producing excellent conventional beer which is high in nutritive value and pure and natural in mouthfeel and flavor.
Owner:HUNAN HONGYING BIOTECHNOLOGY CO LTD
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