Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

965results about How to "Guaranteed activity" patented technology

Fast rerouting method and label exchange router

The invention relates to quick heavy-route method and label switching router. The method comprises: setting standby path for label switching path based on constrained routing and binding with the label switching path, first node of label switching path receiving notice information with path protection type-length-value TLV from insert knot of standby path when the label switching path is in failure, switching data of failure path to standby path for label transmission. The inventive example provides a label exchange tunnel based on constrained condition as prefabricated standby path to protect CR-LSP and avoid link and node failure.
Owner:HUAWEI TECH CO LTD

Whiteleg shrimp high-density non-water-replacement breeding method based on nitrobacterium cenobium water quality control

The invention discloses a whiteleg shrimp high-density non-water-replacement breeding method based on nitrobacterium cenobium water quality control. The method includes the following steps of firstly, preparing a breeding pond; secondly, disinfecting the breeding pond and culturing probiotics; thirdly, stocking shrimp larvae; fourthly, putting in feed; fifthly, monitoring and managing the water quality of the breeding pond; sixthly, conducting harvesting. According to the method, by reasonably controlling organic carbon source input, scientifically applying beneficial bacterium preparations such as nitrobacterium, bacillus, lactic acid bacteria and photosynthetic bacteria, culturing the microorganism cenobium, namely the nitrobacterium cenobium, with nitrobacterium as the advantage in an oriented mode in the breeding water environment and meanwhile reasonably controlling the concentration of nitrobacterium cenobium and conducting in-situ biological purification on ammonia nitrogen and nitrite, closed type safe and efficient breeding of whiteleg shrimps is achieved.
Owner:SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI

Biomass carbon catalyst and preparation method and application thereof

The invention discloses a biomass carbon catalyst and a preparation method and application thereof. The precursor of the catalyst comprises biomass and metal salts, wherein the biomass includes one or more of maize straw, corncob, rice straw, cotton straw, peanut straw, peanut shell, wheat hull, rice hull, wood, sawdust, bamboo wood and weed. Through controlling addition of metal salts in different amounts, adjusting impregnation concentration of the precursor and reaction ambient and carbonization and nitriding treatment temperatures, the biomass carbon catalyst with controllable and adjustable pore structure and specific surface area can be prepared. When used as a fuel battery cathode catalyst, the biomass carbon catalyst shows excellent oxygen reduction reaction activity and stability. The preparation process is simple in flow, short in period and free of environment, provides a novel high-value-added resource recycling way for waste biomass and has dual effects of biomass disposal and energy and power generation.
Owner:SHENYANG AGRI UNIV

Method for simultaneous and efficient amplification of CD<3+>CD<56+>CIK cells and CD<3->CD<56+>NK cells

ActiveCN104357390AHigh purityHigh activityBlood/immune system cellsAdoptive cellular immunotherapySerum free media
The invention discloses a method for simultaneous and efficient amplification of CD<3+>CD<56+>CIK cells and CD<3->CD<56+>NK cells. The method comprises the steps as follows: the concentration of separated PBMC (peripheral blood mononuclear cells) is adjusted by a serum-free medium containing autologous plasma, an Anti-CD16 antibody, IL-2 and IL-15 are added, and then the mixture is transferred into a T175 culture flask for culture; an Anti-CD3 antibody and an Anti-CD137 antibody are added; a serum-free medium containing the autologous plasma, IL-2 and IL-15 is supplemented every two days according to the cell growth condition; the cell concentration is controlled to be about 1.5*10<6> / ml; and after culture is performed for 14-21 days, large quantities of high-purity CD<3+>CD<56+>CIK cells and CD<3->CD<56+>NK cells can be obtained simultaneously, and the total cell quantity can reach an effective value of the cell quantity required for adoptive cellular immunotherapy clinically for tumor. The method for simultaneous and efficient amplification of the CD<3+>CD<56+>CIK cells and the CD<3->CD<56+>NK cells is simple, convenient, effective and high in cell killing activity.
Owner:HRYZ (SHENZHEN) BIOTECH CO +1

Manufacturing method for microorganism heat-insulation building material

The invention discloses a manufacturing method for a microorganism heat-insulation building material. The manufacturing method for the microorganism heat-insulation building material comprises the following steps: taking a bacteria solution which has a mineral deposition function and is prepared from microorganisms and a corresponding nutrient solution as raw materials; directly carrying out mineral deposition on various lightweight aggregates or compounding inorganic or organic cementing materials; and carrying out microorganism inactivation and pore forming to obtain novel microorganism heat-insulation plates, heat-insulation blocks, heat-insulation concrete, heat-insulation mortar and the like. By the method, the physical and mechanical properties of an existing traditional heat-insulation material can further be improved through a microorganism mineralization function and an inactivation process. Microorganism mineral deposition products are used as cementing material manufacturingand modifying building heat-insulation materials, contradiction between strength and heat insulation of the heat-insulation materials can be solved effectively, cementing materials such as cement arereduced and are even prevented from being used, resource consumption are reduced remarkably, mine excavation frequency is reduced, pollution emission is eliminated, and environment stress and haze influence are relieved. The manufacturing method for the microorganism heat-insulation building material is an environmentally friendly building material manufacturing method, and has good economic benefit, environment benefit and social benefit.
Owner:李珠

Fe3O4/CuO/pSiO2 catalyst and preparation method thereof

The invention relates to a Fe3O4 / CuO / pSiO2 (porous silica) catalyst, a preparation method thereof and application thereof in olefin epoxidation reaction. The preparation method comprises the following processes of: obtaining Fe3O4 microspheres serving as magnetic cores by adopting a co-precipitation method, and modifying the surfaces of the Fe3O4 microspheres by using polyvinyl pyrrolidone (PVP) in order to improve the adsorption effect of the surfaces of the Fe3O4 microspheres on metal cations; coating a CuO nano shell layer on the surfaces of the Fe3O4 microspheres by using copper acetate as a copper source through hydrothermal synthesis; and finally, coating the porous silicon dioxide shell layer by using cetyl trimethyl ammonium bromide (CTAB) as a surfactant and using ethyl orthosilicate as a silicon source, and thus obtaining a composite catalytic material with a magnetic Fe3O4 / CuO / pSiO2 core-shell structure. The catalytic performance of the composite material is researched by respectively using epoxidation reaction of styrene and cyclooctene as probe reaction, and the results prove that the catalytic material has high reaction activity and selectivity, and the catalytic material is easy to separate and recover by introducing the magnetic ores; and the catalytic material has a good circulating effect, still can keep excellent catalytic performance by dozens of times of circulation, and has a great application prospect.
Owner:UNIV OF SCI & TECH BEIJING

Production process of biological-organic-inorganic ternary compound fertilizer

The invention provides a production process of a biological-organic-inorganic ternary compound fertilizer which is prepared by the following steps: mixing crop stalks, such organic components as livestock manures and active biological agents, regulating the carbon nitrogen ratio from 26 to 35, PH from 5.5-8.2 and moisture from 40% to 65% according to the organic matter contents of the crop stalksand the livestock manures, fermenting the mixture at minus15-75 DEG C for 20-50 days and ensuring the living bacteria count to be 0.03-0.2 billion / g, carrying out turning and oxygenating, fermenting in deep tanks and grinding on the mixture to prepare the biological organic fertilizers, mixing the biological organic fertilizers with the inorganic fertilizers and trace elements and simultaneously adopting the low-temperature drying process after extruding granulation and the biological agent spraying and cooling technology. The method can greatly shorten the decay period, ensure little nutrientloss and little generating capacity of sour gases in the processes of fermentation and decay and complete decay and fermentation, can enhance the stress resistance of the crops, ensure obvious disease-resistant effects and high survival rates of specific functional bacteria and has wide application. Through field contrast tests, both the production and income are increased by 10-25% by applying the biological organic fertilizer.
Owner:辽宁元亨生物科技有限公司

Method for killing soil bacteria and insects and improving soil and special device for killing bacteria and insects

InactiveCN102428778ABreak through the problems that cannot be preventedAchieve eradicationFlame throwersSoil-working methodsMicroorganismDrive shaft
The invention discloses a method for killing soil bacteria and insects and improving soil and a special device for killing bacteria and insects, wherein the method for killing soil bacteria and insects and improving soil comprises the following steps: first, rotatably plowing the surface soil, where the rotary plowing depth is not less than 35 cm; second, shoveling the surface soil from the land, and lifting the shoveled surface soil and then baking the surface soil by flame; and third, complementing microorganism, compost and trace element; the special device comprises a box, wherein a shoveling plate is arranged in the front of the box body; a soil inlet is arranged on the front wall of the box body; a transmission shaft is arranged above the back of the shoveling plate; soil-lifting blades are distributed on the transmission shaft annularly; a first tilting plate is arranged on the middle lower part of the box body; a gas pipe is arranged at the top of the box body; and a flame stove is arranged on the box body. When the special device and the method disclosed by the invention are used for killing bacteria and insects, the cost is low, the insect-killing effect is good and the organic activity and microorganism activity in the soil are ensured.
Owner:王丹妮

Disposable separating chip module for peripheral blood circulating tumor cell and application method of disposable separating chip module

The invention provides a disposable separating chip module for a peripheral blood circulating tumor cell and an application method of the disposable separating chip module. The disposable separating chip module comprises a micro-fluidic chip, a blood sample storage tank, a PBS sample storage tank, a waste liquid storage tank, an enrichment recycling liquid outlet, a connecting guide pipe (1) of the micro-fluidic chip and the blood sample storage tank, a connecting guide pipe (2) of the micro-fluidic chip and the PBS sample storage tank, a connecting guide pipe (3) of the micro-fluidic chip and the waste liquid storage tank, and a connecting guide pipe (4) of the micro-fluidic chip and the enrichment recycling liquid outlet. The invention further provides the application method of the disposable separating chip module. The micro-fluidic chip adopts a dual-inlet and dual-outlet structure and has an erythrocyte removing efficiency of 100%. A clinical blood sample requires no pretreatment process of attenuation or erythrocyte lysis, so that plenty of time for separating operation can be saved, and the activity of the circulating tumor cell after separation and enrichment can be effectively guaranteed.
Owner:SHENZHEN RUISI LIFE TECH CO LTD

Wild growth imitating planting method of dendrobium candidum

The invention provides a wild growth imitating planting method of dendrobium candidum and belongs to the technical field of traditional Chinese medicine planting. The wild growth imitating planting method of the dendrobium candidum comprises the five steps of selecting a natural environment, preparing a cultivation base layer, preparing a cultivation medium, imitating wild cultivation, and processing atrocious weather. The wild growth imitating planting method of the dendrobium candidum has the advantages that according to the growth characteristics of wild dendrobium candidum, a mountain slope with the wild dendrobium candidum growing is selected; the surface of the mountain slope is transformed into the cultivation base layer which is suitable for the growth characteristics of the wild dendrobium candidum; the cultivation medium suitable for rapid growth of the wild dendrobium candidum is paved; the basic living environment suitable for growth of the wild dendrobium candidum is built; when bad weather occurs, appropriate intervention is conducted, so that survival of plants and the final yield are guaranteed; the wild growth imitating planting method is easy to operate, the medicinal value of the dendrobium candidum produced through the wild growth imitating planting method is almost identical to that of the actual wild dendrobium candidum, and the wild growth imitating planting method is suitable for large-scale popularization.
Owner:重庆市秀山红星中药材开发有限公司

Comprehensive utilization process of lignocellulose biomass

The invention relates to a comprehensive utilization method of lignocellulose biomass, and particularly relates to a comprehensive utilization method of cellulose, hemicellulose and lignin in lignocellulose biomass. The method of the invention respectively extracts cellulose, lignin, and hemicellulose by performing acidolysis of lignocellulose biomass with a mixed organic acid of formic acid and acetic acid; the comprehensive extraction rates of all the three substances are high; the cellulose extraction rate is 75%-100%; the lignin extraction rate is 55%-90%; the pentose extraction rate is 85%-95%; the method of the invention not only facilitates the comprehensive and stable operation of the three routes, but also ensures the extraction rates of the three products to the maximum extent.
Owner:JINAN SHENGQUAN GROUP SHARE HLDG

Biologically-safe quality control material for blood tester and preparation method thereof

The invention discloses a biologically-safe quality control material for a blood tester and a preparation method thereof. The preparation method comprises that animal red blood cells having the sizes similar to sizes of human red blood cells are used for simulation of human red blood cells; animal red blood cells having the sizes similar to sizes of large cells in human white blood cells and animal red blood cells have the sizes similar to sizes of small cells in human white blood cells are used for simulation of human white blood cells; animal red blood cells have the sizes similar to sizes of human blood platelets are used for simulation of human blood platelets; the animal red blood cells for simulation of human white blood cells and human blood platelets are cured by formaldehyde having the content of 2-8%; the cured animal red blood cells are cleaned and then are added with bovine serum albumin so that the cure agent is removed; and according to requirements, through blending, the single-component or whole blood quality control material is obtained. The biologically-safe quality control material has good stability, a low cost and high safety, and is suitable for a blood cell analyzer, a urinary sediment analyzer and a hemoglobin analyzer.
Owner:URIT MEDICAL ELECTRONICS CO LTD

Method for planting cotton in coastal heavy saline-alkali land

The invention discloses a method for planting cotton in coastal heavy saline-alkali land. The method comprises the following steps of: A, consolidating land, and building a strip field or a platform field; B, irrigating by using saline water in winter and icing; C covering by using a mulching film; D, sowing; E, performing growth period management; and F, picking in time after cotton bolls are fully cracked and opened. In the method, a series of measures such as land consolidation, icy irrigation of saline water in winter, ice melting spraying of saline water in spring, salt inhibition and soil moisture conservation through mulching film coverage and the like are adopted, so that the salt content of soil in cotton root layers is reduced, and the normal growth of the cotton is ensured; and the method is easy to operate and low in cost, can be applied to coastal saline and alkaline areas, and has remarkable economic, social and ecological benefits.
Owner:INST OF GENETICS & DEVELOPMENTAL BIOLOGY CHINESE ACAD OF SCI

Implantable bioartificial liver

InactiveCN101850136AEasy to attachSpecific function preservationPharmaceutical containersMedical packagingCell-Extracellular MatrixBioartificial liver device
The invention provides a combining reagent for preparing a bioartificial liver stent. The reagent comprises perfusate 1, perfusate 2, perfusate 3, perfusate 4, eluent 1 and eluent 2, wherein the perfusate is alkalescent hypotonic solution or pure water; the perfusate 2 is a group of ionic detergent aqueous solutions with gradient concentration; the perfusate 3 is aqueous electrolyte solution; theperfusate 4 is anticoagulant factor aqueous solution; the eluent 1 is distilled water; and the eluent 2 is non-ionic detergent aqueous solution. The invention also provides a method for preparing an implantable bioartificial liver by using the combining reagent, and the implantable bioartificial liver prepared by using the method. The bioartificial liver stent prepared by using the combining reagent is decellularized completely; and the structure of an extracellular matrix is kept complete. The bioartificial liver can accommodate a large number of cells and provide adequate blood supply, so that the survival time of a rate with an acute hepatic failure is prolonged obviously; and a liver function is improved obviously. Therefore, the bioartificial liver has an extremely good clinical application prospect.
Owner:WEST CHINA HOSPITAL SICHUAN UNIV

Multifunctional composite microbial fertilizer and preparation method thereof

InactiveCN106478210APrevent soil-borne diseasesAvoid infectionFertilizer mixturesMicrobial agentInsect pest
The invention specifically relates to a multifunctional composite microbial fertilizer and a preparation method thereof, belonging to the technical field of composite microbial fertilizers. The multifunctional composite microbial fertilizer is prepared from the following raw materials: a microbial agent, humic acid, an organic fertilizer, pyrethrum powder, inorganic nitrogen-phosphorus-potassium and trace elements. The multifunctional composite microbial fertilizer can provide crops with desired nutrients, reduces the incidence rate of plant diseases and insect pests, has a high live bacterium number, decreases the usage of pesticides and chemical fertilizers and improves the physical and chemical properties of soil, so the output and quality of the crops are improved. Meanwhile, the preparation method for the multifunctional composite microbial fertilizer is simple, easily practicable and convenient to operate.
Owner:山东横店草业畜牧有限公司

Preparation method of MOx@SiO2 shell-core structure catalyst

ActiveCN103418371AGuaranteed activity and selectivityGood reactivity and stabilityMolecular sieve catalystsDispersed particle separationNano catalystHigh activity
The invention relates to a preparation method of a shell-core structure MOxSiO2, wherein the MOx is one of Mn3O4, Fe2O3, CeO2, Cu2O, or Co3O4. The preparation method comprises following steps: homogenously dispersing 0.01 to 0.1 mol of water-containing inorganic metal salt and 2 to 10 mL of oleic acid into 50 to 100 mL of absolute methanol, then putting the materials in a high-pressure reactor to subject the materials to crystallization reactions for 10 to 48 hours at the temperature of 120 to 240 DEG C, cooling and filtering so as to obtain MOx nano particles, dissolving the MOx nano particles in hexane, adding cetyl trimethyl ammonium bromide solution, subjecting the solution to an ultrasonic treatment, adding sodium hydroxide solution with a concentration of 0.5 M to 2 M, stirring, dropwise adding ethyl orthosilicate, carrying out the reactions at the room temperature for 10 to 24 hours, then subjecting the reaction product to a centrifugation treatment, washing, drying, and burning so as to obtain nano catalyst MOx@SiO2. The preparation method is simple and is easy to be applied to industrial production. The catalyst prepared by the preparation method is applied to the CO oxidation reaction, and has the advantages of low cost, and high activity and stability.
Owner:EAST CHINA UNIV OF SCI & TECH

Automatic vending machine

The invention provides an automatic vending machine which comprises a vending machine box body (92), an automatic vending machine rotating material channel (2), an electronic control device and an automatic vending machine refrigerator (1). The automatic vending machine rotating material channel (2) and the automatic vending machine refrigerator (1) are both arranged in the vending machine box body (92), and the automatic vending machine rotating material channel (2) can rotate and is provided with a plurality of display platforms. The electronic control device is used for controlling the automatic vending machine rotating material channel (2) to rotate, and the automatic vending machine refrigerator (1) comprises a humidifier (11). The automatic venting machine further comprises an automatic vending machine rotating material channel detecting mechanism (6), one or more automatic closing type material taking opening doors (7), an insulation plate and the like. According to the automatic vending machine, a specific automatic vending machine structure is arranged, flowers and similar goods can be vended, especially, the temperature and humidity of the flowers can be ensured, and therefore the flowers can survive.
Owner:王芳

Particle swarm optimization method based on complex network

The invention relates to a particle swarm optimization method based on a complex network. The particle swarm optimization method is used for solving the multiobjective optimization problem in the real world. The particle swarm optimization method based on the complex network comprises the steps that the population network topology is established according to a scale-free network generation mechanism, the optimization space, the population size, the positions of particles and the speeds of the particles are determined, the adaptive value is calculated according to a fitness function, the historical best position of each particle, the historical best position of the corresponding neighbor particle and the global historical best position of the particles are recorded, the positions and the speeds of the particles are updated in an iteration mode every time, the adaptive value is calculated again until iteration is completed, and the global best position is output. The particle swarm optimization method based on the complex network further provides four indexes for evaluating the optimal performance of center particles and non-center particles, the influence in neighborhood, the information transmission capacity, the advantages and disadvantages of the adaptive value and the capacity for maintaining population activeness. By means of the particle swarm optimization method based on the complex network, the local optimum can be effectively avoided, and the convergence rate and the optimization effect for resolving targets are balanced through the application of the particle swarm optimization algorithm.
Owner:BEIHANG UNIV

Seedling raising method for oil-used peony seeds

The invention discloses a seedling raising method for oil-used peony seeds. The method comprises the steps of (1) selecting seeds; (2) soaking the seeds for disinfecting; (3) treating the oil-used peony seeds of step (2) by using cold plasma generated by atmospheric dielectric barrier discharge for 50-60 seconds; (4) preparing a treatment solution containing 0.25mg / L of gibberellin, 2mg / L of indoleacetic acid and 3mg / L of calcium chloride; (5) performing variable temperature stratification: mixing the oil-used peony seeds treated in step (3) with fine sand, perlite and vermiculite in a ratio of 1:(3-5):(1-2):(1-2), adjusting the humidity to 40-50%, and performing variable temperature stratification in a constant temperature incubator according to three stages; (6) sowing; and (7) performing seedling management. By adopting the seedling raising method for the oil-used peony seeds, seed dormancy can be effectively broken during breeding, so that seeds are quickly germinated, germination of seeds is accelerated, the emergence rate of seeds is improved, the emergence time is shortened, the emergence is even, and the growth indexes of young seedlings such as fresh weight, plant height, root system and the like are improved to different degrees; and the method does not have pollution to the environment.
Owner:芜湖市丹洋现代农业科技发展有限公司

Image processing-based erythrocyte and leukocyte classification counting method, system and device

The invention discloses an image processing-based erythrocyte and leukocyte classification counting method, system and device, and the method comprises the steps of carrying out the graying processingon an acquired sample image, then carrying out the binarization processing, and obtaining a black-white binary image; preprocessing the black and white binary image to restore the cells with holes inside, and removing the fragment cells and boundary cells; adopting a segmentation algorithm to segment the cell populations adhering to clusters in the preprocessed image; extracting the cell contoursand counting the cell contours to obtain the number of integral cells; dividing the whole cell into the erythrocytes and the leukocytes according to the area of a region occupied by a single cell inthe image; and respectively counting to obtain the number of the erythrocytes and the number of the leukocytes, so that the problems of high detection equipment cost, personal errors and the like in the prior art are solved, the equipment cost is reduced, and the detection efficiency and the detection accuracy are improved.
Owner:湖南开启时代智能科技有限公司

Method and apparatus for grouping bullet screen users in live broadcasting room

The invention discloses a method for grouping bullet screen users in a live broadcasting room. The method comprises the following steps of receiving a login request of a user for logging in the live broadcasting room; judging whether the live broadcasting room has a bullet screen group suitable for being allocated for the user, if so, adding the user in the bullet screen group, and otherwise, switching to a next step, wherein the bullet screen group suitable for being allocated for the user refers to a bullet screen group with the lowest degree of activity in the live broadcasting room, and the degree of activity of the bullet screen group with the lowest degree of activity is not higher than a preset threshold value of the highest degree of activity; and creating a new bullet screen group, and adding the user to the new bullet screen group. Thus, the users in each bullet screen group are guaranteed to be capable of receiving a rational amount of bullet screen content within a unit time, and are unlikely to see the bullet screen content of other users unclearly when receiving too much bullet screen within the unit time. The invention also provides a corresponding apparatus for grouping the bullet screen users in the live broadcasting room.
Owner:WUHAN DOUYU NETWORK TECH CO LTD

Method for planting beet in coastal heavy saline-alkali soil

The invention discloses a method for planting beet in coastal heavy saline-alkali soil. The method comprises the following steps: A. arranging land, and building an elongated farmland or a raised field; B. irrigating and icing by salt water in winter; C. covering by a mulching film; D. culturing seedlings and transplanting; E. managing in a growth period; and F. harvesting when the beet is mature. According to a series of measures of arranging land, icing and irrigating by salt water in winter, melting and spraying by salt water in spring, covering by the mulching film, inhibiting salt, preserving soil moisture and the like, the salt content in soil of a beet root layer is lowered, and the beet can be guaranteed to normally grow. The method is simple to operate, has the advantages of low cost and obvious economic, social and ecological benefits, and is suitable to be applied in coastal saline-alkali zones; and by the method, the development of sugar manufacture and biological energy industry in China can be promoted.
Owner:INST OF GENETICS & DEVELOPMENTAL BIOLOGY CHINESE ACAD OF SCI

Preparation method of encapsulated solid-phase slow-release composite carbon source

A preparation method of an encapsulated solid-phase slow-release composite carbon source belongs to the technical field of preparation of carbon sources. PVA (polyvinyl alcohol) and starch are selected as release base material of a solid-phase carbon source, encapsulation is used as a release method, a soluble carbon source sodium acetate is encapsulated by the encapsulation technology, the low-temperature freeze-drying technology is used for forming, and the encapsulated solid-phase slow-release composite carbon source is prepared. The problems of poor quality and low denitrification efficiency at the initial stage of reaction are solved, and the defect of independent use of two carbon sources is overcome.
Owner:BEIJING UNIV OF TECH

Method for producing acetic acid by carbonylation of methanol as well as special catalyst and preparation method thereof

The invention discloses a method for producing acetic acid by carbonylation of methanol, a special catalyst and a preparation method thereof. The aminocarboxylate lithium rhodium complex of the present invention has a structure as shown in formula I, wherein, X=BPh4 or I; n=1, 2 or 3. In the present invention, lithium aminocarboxylate is used as a ligand and a rhodium complex to form a positive ion active center structure of a strong and weak coordination bond chelation type, and the positive ion part contains a strongly coordinated N→Rh bond and a weakly coordinated O→Rh bond, The stability and activity of the active center are guaranteed. Lithium metal and rhodium metal are co-located in the structure of the active center, which can form a synergistic catalytic effect; moreover, it can also be used in combination with other catalysts to improve its catalytic activity; The strong catalytic effect of the reaction provides a basis for the excellent performance of the catalyst; at the same time, the combination of lithium iodide, lithium acetate and phosphate is used as a promoter, so that the catalyst of the present invention can catalyze the carbonylation of methanol to produce acetic acid. Excellent overall performance.
Owner:INST OF CHEM CHINESE ACAD OF SCI +1

Wireless communication device and network connection method thereof

The invention provides a network connection method of a wireless communication device. When the wireless communication device successfully accesses to a network, and no data exchange activity exists between the user and the network, the wireless communication device enters a public channel, and a timed small-data-flow simulation activity is started on the panel side of the wireless communication device, so that the network indicates that the wireless communication device interacts with the network, and network connection of the wireless communication device can not be cut off. Compared with the prior art, a function is developed on the panel side of the wireless communication device in the technical scheme, and the wireless communication device actively simulates small-flow packet data to maintain the activeness thereof when the user has no actual packet data flow. Therefore, the wireless communication terminal can not enter the state of 'inactive user' to trigger a 'network disconnection' incident, and the invention can ensure the long-term network connection of the wireless communication device.
Owner:ZTE CORP

Sewage treatment composite gel material for microbe embedding, and preparation method thereof

The invention relates to a sewage treatment composite gel material for microbe embedding, and a preparation method thereof. The sewage treatment composite gel material for microbe embedding comprises, by weight, 60-80 parts of carrageenan, 5-15 parts of polyacrylamide, 5-8 parts of porous starch, 4-8 parts of microbes, 0.1-0.3 parts of a growth factor, 1-4 parts of inorganic powder, 1-3 parts of a cross-linking agent and 0.5-0.8 parts of a potassium salt. The composite gel material is prepared by adopting carrageenan and the polyacrylamide composite gel as an embedding agent, the porous starch as an adsorbent and a carrier and the inorganic powder as an additive, is used for embedding microbes, is applied to sewage treatment, can effectively adsorb and remove heavy metal ions and degrade organic matters, and has the advantages of simple preparation process, low cost and market application prospect.
Owner:河南格恩阳光环境科技有限公司

Lactic acid bacteria fermented substance and fermented milk food product containing the same

A lactic acid bacteria fermented substance is characterized by being obtained by culturing lactic acid bacteria in a medium containing an extract of at least one food material selected from the group consisting of rice bran, persimmon leaf, Perilla frutescens, Houttuynia cordata, Eucommia ulmoides, turmeric, clove, cinnamon and Rubus suavissimus. Because the extract to be used in the production of the lactic acid bacteria fermented substance does not cause a flavor problem and can increase the number of living lactic acid bacteria easily by simply being added to and mixed in the medium, the lactic acid bacteria fermented substance containing many living lactic acid bacteria in which high activity is maintained and a food or a drink using the same can be obtained.
Owner:YAKULT HONSHA KK

Silicone resin coating type platinum catalyst as well as preparation method and application thereof

The invention relates to a silicone resin coating type platinum catalyst as well as a preparation method and application thereof. The silicone resin coating type platinum catalyst is core-shell microspheres which takes a platinum complex as a core and active component and crosslinking organic silicon resin as a coating layer and has the platinum catalysis hydrosilylation activity and is prepared by the following steps of by taking alkoxy silane as a raw material, performing secondary polymerization process with a W / O micro-emulsion to obtain the silicone resin coating type platinum catalyst. The silicone resin coating type platinum catalyst is uniform in particle size, good in stability, controllable in catalytic activity and suitable for application of single-component silica gel solidification system.
Owner:NEW MATERIAL INST OF SHANDONG ACADEMY OF SCI

Method for accelerating soil carbon in corn-wheat crop rotation system

The invention relates to the field of micro-organisme fungicide and soil amelioration, and particularly discloses a method for accelerating soil carbon in the corn-wheat crop rotation system. The method is as follows: in the corn-wheat crop rotation system, after having harvested corn and wheat, shattering and returning to the field the corn straw and wheat straw, spraying the micro-organisme fungicide agent that is capable of accelerating the fermentation and decomposition of straw on the straw surface, and scattering organic fertilizer. After sowing corn and wheat, applying soil conditioner that contains azotobacter, combined with compound fertilizer, and spraying liquid amino acid fertilizer for plant during the growth phase of corn and wheat. The present method can reduce as much as possible the destabilization of soil and accelerate the decomposition of straw using biological bacterium, to guarantee the activity and diversity of micro-organisme in arable soil. The present method uses soil conditioner to regulate soil structure, thereby strengthening soil fertility and accelerating the accumulation of soil carbon.
Owner:INST OF ENVIRONMENT & SUSTAINABLE DEV IN AGRI CHINESE ACADEMY OF AGRI SCI +2

Indoor cooling control system based on indoor environment or human body surface temperature

The invention discloses an indoor cooling control system based on the indoor environment or human body surface temperature. The system comprises an infrared temperature sensor, a display module, a key module, a clock module, an output control module, a central control unit and a power module; the infrared temperature sensor is mounted on an indoor wall surface close to a bed, connected with the central control unit through a wire, and used for detecting indoor or human body surface temperature; the display module is mounted on the indoor wall surface, electrically connected with the central control unit, and used for observing and setting parameters and running parameters; the key module is integrally connected with the display module, electrically connected with the central control unit and used for setting the parameters; the clock module is electrically connected with the central control unit and used for providing time for the central control unit; the output control module is electrically connected with the central control unit and used for achieving output control of the central control unit on an air conditioner or electrical fan; the central control unit is used for processing received temperature data information to automatically control the air conditioner or the electric fan; the power module is electrically connected with the central control unit, and supplies power to the central control unit, the infrared temperature sensor, the display module, the output control module, the key module and the clock module.
Owner:姜兴家
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Eureka Blog
Learn More
PatSnap group products