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123results about How to "Good development prospects" patented technology

Method of preparing watersoluble polyurethane adhesive

The invention discloses a preparation method of a waterborne polyurethane adhesive, comprising the following steps: evenly mixing vulcabond and polyglycols, adding in proper amount of catalyst, and reacting so as to obtain polyurethane prepolymer; reacting by adding in hydrophilic chain extender and crosslinking agent, adding 2-hydroxyethyl acrylate into the reaction system so as to obtain polyurethane, terminal group of which is double bond; reducing temperature, neutralizing and emusifying by adding in water under high-speed cutting so as to obtain polyurethane emulsion; and heating up, adding vinyl monomer into the emulsion, and polymerizing initiated by water-soluble initiator so as to obtain the modified waterborne polyurethane emulsion. The invention can completely eliminate the harmful effect to the application and the environment protection of the polyurethane emulsion product caused by small molecular emulsifier and organic solvent. The invention can make full use of combination property through the copolymerization modification between the polyurethane and polyacrylic ester.
Owner:SHAANXI UNIV OF SCI & TECH

Concrete cement foaming insulation brick and manufacturing method thereof

The present invention discloses a concrete cement foaming insulation brick, taking a concrete perforated brick as a main body. The concrete perforated brick is injected with a cement foam material, so that the cement foam material and the concrete perforated brick are fully combined. By adjusting the formulation and improving the process, the present invention makes full use of industrial wastes such as fly ash and coal gangue, does not need autoclaved curing, and is small in investment and simple in process. The foaming brick produced by the present invention has excellent heat insulation and sound insulation properties, and is high in strength, good in impact resistance, low in moisture absorption, light in weight, compression resistant, good in weather resistance, environmental-friendly and energy-saving, and non-toxic. The brick has great market space and development prospects in the application field of building energy efficiency.
Owner:嵊州市万顺新型墙体材料有限公司

Bacillus amyloliquefaciens B011 for preventing and treating tobacco bacterial wilt and application thereof

ActiveCN104711209AGood control effectAdvantages of prevention and control effectBiocideBacteriaNicotiana tabacumCentrifugation
The invention discloses bacillus amyloliquefaciens B011 for preventing and treating tobacco bacterial wilt and an application thereof, and relates to the technical field of biological prevention and treatment of plant diseases, wherein the bacillus amyloliquefaciens B011 has the preservation number of CCTCC NO:M2014576; separation comprises the following steps: firstly, sampling; secondly, grinding, thirdly, centrifugation; fourth, purification, and fifthly, screening. The bacillus amyloliquefaciens B011 has the characteristics of relatively good antagonistic effect on tobacco bacterial wilt, good safety on the environment and easy industrialized production, not only can be used for preventing and treating tobacco bacterial wilt, but also can be used for preventing and treating P.parasitica, A.alternata keissler, also can be used for preventing and treating C.capsici, P.capsici, C.gloeosprioides, P.oryzae, C.cuc-umerinum and other pathogenic fungi.
Owner:湖南省烟草公司永州市公司 +2

Intraconnection communication method of distributed virtual machine monitoring apparatus

The invention provides an implementation method of a distributed virtual monitor communication technology. In the method, the existing reliable transmission protocol is utilized to realize reliable and efficient communication among virtual machine monitors (VMM), provide the necessary basis for resources integration, provide a single physical node for an upper customer operating system, and realize the management and use of multi-node resources by the customer operating system by mainly combining an expansion system equipment simulation part with a descriptor ring mechanism. The method comprises the following steps: step one: a preparation phase; step two: a connection establishment phase; step three: a data transmission process; and step four: a connection closing phase. The method is an innovation based on the existing mature technology, and has simple implementation and good use and development prospects.
Owner:HUAWEI TECH CO LTD

Light cement foam insulation plate and production method thereof

The invention discloses a light cement foam insulation plate which comprises the following raw materials in parts by weight: 70-80 parts of 52.5 general silicate cement, 40-50 parts of coal ash, 30-40 parts of silicon powder, 15-20 parts of river sand, 10-15 parts of fluorite slag, 5-10 parts of argil, 15-20 parts of plant straw powder, 18-25 parts of water glass, 20-30 parts of vermiculite, 8-12 parts of foaming agent, 1-2 parts of foam stabilizing agent, 1-2 parts of hydroxyethyl cellulose, 3-5 parts of modified tree ash, 1-2 parts of polycarboxylate high-performance water-reducing agent and 300-360 parts of water. The cement foam plate produced with the method has the advantages of excellent insulation and construction performances, good bonding effect, no empty drum cracking phenomenon, strong negative air pressure resistance, high strength, light weight, pressure resistance, good weather resistance, environmental protection, energy saving, non-toxicity, harmlessness and the like, and has very wide market space and development prospect in the field of building energy-saving applications in our country.
Owner:新疆青创建材有限公司

Ultraviolet light solidifying paint containing POSS and its preparation method

InactiveCN1718656ASimple processCoating film cures quicklyPolyurea/polyurethane coatingsPolyolDiluent
An ultraviolet solidified paint containing POSS is prepared through preparing the POSS with double bond from organic siloxane, proportionally mixing diisocyanate, polyol, catalyst and active diluent, stirring, heating while reacting to obtain the PUA prepolymer containing POSS, mixing it with catalyst, optical trigger, active diluent and other assistants, and stirring.
Owner:TONGJI UNIV

Fly ash/bentonite ceramsite concrete hollow insulation block and preparation method thereof

The invention discloses a fly ash / bentonite ceramsite concrete hollow insulation block and a preparation method thereof. The block is prepared from the following raw materials by weight: 100 to 150 parts of ordinary Portland cement grade 42.5, 500 to 600 parts of stone chippings, 30 to 40 parts of fly ash, 10 to 15 parts of bentonite, 5 to 10 parts of paper pulp waste liquid, 2 to 4 parts of nanometer alumina, 3 to 6 parts of light calcium carbonate, 20 to 30 parts of soluble glass, 10 to 15 parts of straw powder, 4 to 6 parts of a foaming agent, 1 to 2 parts of foots, 2 to 3 parts of a glass fiber, 0.5 to 1.5 parts of a redispersible latex powder and 150 to 210 parts of water. The boron fly ash / bentonite ceramsite concrete hollow insulation block produced in the invention has the advantages of high strength, low density, good heat insulation performance, good impact resistance, small possibility of water absorption, fire resistance, flame retardation, good weatherability, environment-friendliness, energy conservation and the like and has great market space and development prospects in the application field of building energy conservation in China.
Owner:池州市新蕾绿色建材有限公司

Performance and efficacy testing platform of heat exchanger

The invention relates to a performance and efficacy testing platform of a heat exchanger. The platform comprises a heat source part, a vapor source part, first and second mixers, an air source part, a shell-and-tube heat exchanger, first and second separators, a shell-and-tube type double-tube heat exchanger testing assembly, a condensation heat exchanger, a boiling heat exchanger, first and second water cooling devices and a steam condenser. The platform can test heat transfer properties and fluid flowing resistances of the shell-and-tube type heat exchanger, the double-tube heat exchangers, the condensation heat exchanger and the boiling heat exchanger respectively, does not occupy much space, reduces the production cost, satisfies practical measurement requirements and has good application and development prospects, and test data is stable and reliable.
Owner:SPECIAL EQUIP SAFETY SUPERVISION INSPECTION INST OF JIANGSU PROVINCE

Fume emission on-line continuous detecting system sampling apparatus

The invention discloses a sampling device for a continuous online detection system of flue gas emission, which is characterized in that the sampling device is composed of a sampling ash removing mechanism, a controller and a sampling pump. The sampling ash removing mechanism is used to collect sample gas and eliminate powder dust in the gas, and is composed of a main body structure, a back-blowing controller, a back-blowing gas pipe, a sweeping controller, a flue gas sample outlet, a dust removing filter element and a sweeping actuator. The controller is composed of a frequency converter, a computer, a flue gas flow speed sampling interface, a control output interface, a frequency converter output interface and a power supply wire interface, and the computer controls the sampling ash removing mechanism to sample and remove ash and simultaneously controls the sampling speed of the sampling pump in order to realize the sampling synchronization. The sampling pump is composed of a control wire interface, a fan, a flue gas sample detecting inlet and a surplus sample gas outlet. The invention solves the problems of sampling blockage, synchronous sampling and negative pressure sampling, detects and samples the gas in the process of controlling production, and is also applied to detection and sampling for the environmental protection of various gas.
Owner:XIDIAN UNIV

Light furnace slag particle cladded non-fired ceramsite and preparation method thereof

The invention discloses a light furnace slag particle cladded non-fired ceramsite and a preparation method thereof. The light furnace slag particle cladded non-fired ceramsite comprises a light furnace slag particle ceramsite kernel (1), a cladding power layer (2) cladding the periphery of the ceramsite kernel (1) and a reinforced and anti-carbonization fabric layer (3) cladding the periphery of the cladding power layer (2), wherein the light furnace slag particle ceramsite kernel (1) is a light furnace slag particle with the particle size of 3-15 mm. Industrial solid waste such as coal fired furnace slag, pulverized fuel ash and blast furnace slag is fully utilized as main raw materials and is turned into wealth, a non-fired sintering process replaces an original sintering process to produce the ceramsite, land and mine resources can be saved, the industrial waste is comprehensively utilized, carbon emission is reduced, and the light furnace slag particle cladded non-fired ceramsite has the important significance. The prepared light furnace slag particle cladded non-fired ceramsite is light in volume weight, high in strength, good in heat preservation and sound insulation performance, good in anti-seismic property, low in cost and good in practicability.
Owner:YANCHENG SHENXING IND

Manufacture method of biodegradable non-woven material

The invention provides a manufacture method of a biodegradable non-woven material, which is characterized in that the method comprises the following steps: slicing and drying polyethylene succinate-co-p-benzene dicarboxylic acid butanediol ester; heating and fusing polymer slices in a screw rod extruding press; extruding fused mass from spinneret holes of a mold head; using high-pressure air flow for spraying and blowing at both sides of the spinneret holes when the fused mass is extruded from the spinneret holes of the mold head; tensioning the fused mass into superfine fiber; receiving the superfine fiber through a receiving roller; and forming a biodegradable PBST fused spraying non-woven material through the self adhesive effect of the superfine fiber. The non-woven material manufactured by the method of the invention has good thermodynamic performance, fine fiber diameter, good ventilation performance, soft hand feeling and the like, and also has excellent biodegrading capability. The product can be used in the fields of filtering materials, sanitation materials, package materials and the like, and belongs to a product with good development prospects and high added value.
Owner:DONGHUA UNIV

Method for preparing ammonia nitrogen adsorbent by using banana peel and application of ammonia nitrogen adsorbent

The invention discloses a method for preparing an ammonia nitrogen adsorbent by using a banana peel. According to the method, the ammonia nitrogen adsorbent can be prepared by dehydration, crushing, soaking and scrubbing. Compared with the common method using peels and shells to prepare an activated carbon adsorbent through heating at high temperature, the method disclosed by the invention is simple and feasible in operation and has no need of heating, low energy consumption and high yield. The invention also provides an application of the ammonia nitrogen adsorbent prepared by using the method disclosed by the invention. The ammonia nitrogen adsorbent product prepared by the method for preparing the ammonia nitrogen adsorbent by using the banana peel disclosed by the invention has good adsorption effect on the ammonia nitrogen in 10-150mg / L of ammonia nitrogen aqueous solution, the time for reaching adsorption balance is short, the adsorptive property is stable, and the ammonia nitrogen adsorbent can be used for adsorption treatment of nitrogenous waste water. Meanwhile, the method disclosed by the invention also can realize the reclamation of the banana peels.
Owner:CHONGQING THREE GORGES UNIV

CNF-TMO lithium ion battery anode material and preparation method thereof and application of CNF-TMO lithium ion battery anode material

The invention belongs to the field of a lithium ion battery anode material and a preparation method thereof and application of a CNF-TMO lithium ion battery anode material. The method comprises the steps of: dissolving transition metal salt in an organic solvent, and adding polymer powder to fully dissolve and uniformly mix the transition metal salt and the polymer powder to obtain a spinning solution; performing spinning under the action of a high-voltage electrostatic field by setting spinning parameters to obtain a polymer-transition metal salt non-woven fabric; soaking the polymer-transition metal salt non-woven fabric in methanol solution of organic ligand to form one layer of organic metal frame material on the surface of the polymer fiber homogeneously under the action of the strongcoordination between the transition metal ion and the organic ligand to obtain a polymer-transition metal salt-organic metal frame material; then putting the polymer-transition metal salt-organic metal frame material into a tubular furnace, performing carbonizing of the polymer-transition metal salt-organic metal frame material at a high temperature under the flow of hydrogen / argon mixed gas to obtain carbon nano fiber-transition metal, thermally oxidizing the carbon nano fiber-transition metal in air, grinding and crushing the carbon nano fiber-transition metal to obtain a CNF-TMO lithium ion battery anode material.
Owner:GUANGDONG UNIV OF TECH

Preparation method and anti-allergic and antioxidant activity detections of rutin and isoquercitrin in hops

The invention relates to a preparation method and anti-allergic and antioxidant activity detections of rutin and isoquercitrin in hops. With the method provided by the invention, problems in extracting and separating rutin and isoquercitrin with high anti-allergic and anti-oxidation properties from hops are effectively solved. According to the method, hops are adopted as a raw material, and are subjected to cold water soaking, extraction and impurity-removing, and macroporous resin separation and enrichment; and with a semi-preparative high-performance liquid chromatography technology, rutin and isoquercitrin monomeric compounds are obtained by separation; and the anti-allergic and antioxidant functions of rutin and isoquercitrin are determined with a hyaluronidase in-vitro inhibition method and a DPPH method. The method provided by the invention is advanced and reliable, and is easy to operate. With the method, high-purity rutin and isoquercitrin can be obtained. As a result of detections, rutin and isoquercitrin both have good anti-allergic and antioxidant activities, and have high application values.
Owner:SHANDONG UNIV

Tough mannich base curing agent and preparation thereof

InactiveCN101348563AImproves adhesion and adhesionGood development prospectsWater contentChemistry
The invention relates to a mannich alkali hardener with flexibility and a preparation method thereof. The method comprises the following steps of: under the action of an acidic catalyst, firstly carrying out the Friedel-Crafts reaction of tung oil and phenols; then under the conditions of certain temperature and time, adding gradually amine and aldehyde into the reaction system to complete a mannich condensation reaction; removing water content and matters with a low boiling point after the reaction is finished; finally adding additives of proper amount for dissolution to obtain a finished product. The mannich alkali hardener has a flexible long chain, an intramolecular toughening capability, abundant active hydrogen and phenolic aldehyde structures in the molecular structure, good reaction activity and low temperature solidification performance, and obviously improved heat tolerance, thereby belonging to an epoxy resin hardener with excellent performance. Simultaneously, the preparation method provided by the invention is simple and easily controlled; the product is actually nontoxic and has good industrialization prospects.
Owner:CHENGUANG RES INST OF CHEM IND

Multi-purpose cerium dioxide nanometer drug-loading system realizing targeted stimulation responsiveness

ActiveCN106974897ATransportation advantageAddress biocompatibilityInorganic non-active ingredientsOrganic non-active ingredientsHigh concentrationPyridinium
The invention relates to a multi-purpose cerium dioxide nanometer drug-loading system realizing the targeted stimulation responsiveness. According to the multi-purpose cerium dioxide nanometer drug-loading system, cerium dioxide with cytotoxicity is taken as a drug-loading main body, sugar is taken as a targeting group, the pillar [5] arene realizing sugar functionalization is taken as a host molecule, pyridinium salt modified on the surface of the cerium dioxide drug-loading main body and containing disulfide bonds is taken as a guest molecule, through the host-guest interaction, the pillar [5] arene realizing sugar functionalization is bonded to the surface of cerium dioxide adsorbing anti-cancer drug, and thus the anti-cancer drug is encapsulated to the surface of the drug-loading main body. Since the pillar arene containing galactosyls is connected to the surface, the biocompatibility of the system can be obviously improved; meanwhile, the galactosyls can act with specific galactose binding protein excessively expressed on the surfaces of cancer cells, so that the targeted selective entering into the cancel cells is realized, further, GSH with high concentration in the cancer cells is utilized for promoting disulfide bonds in the system to rapidly fracture, then the anti-cancer drug is released, the cerium dioxide nanometer particles with cytotoxicity are exposed out, and the synergy in resisting caner of the cerium dioxide nanometer particles and drug is realized.
Owner:NORTHWEST A & F UNIV

Nano-printing ink for digital code spray printing and its preparation method

A nano-ink for digital ink-jet print is prepared through preparing POSS with double bond from organic siloxane by partial hydrolysis-sealing angle method, modifying and chemically modifying the surface of organic pigment by coupling agent, copolymerizing said POSS with the disperse pigment via free radicals, to obtain poss-disperse pigment, and preparing said nano-ink. It has high thermal and chemical stability and the resistance to water and soap.
Owner:TONGJI UNIV

CNF-metal compound independent electrode material and preparation method and application thereof

The invention belongs to the field of lithium ion batteries, and discloses a CNF-metal compound independent electrode material and preparation method and application thereof. The preparation method comprises the steps of dissolving a metal salt in dimethylformamide, adding polyacrylonitrile powder again, and performing uniform mixing to obtain a mixed spinning liquid; spinning under a high-voltageelectrostatic field to obtain polyacrylonitrile-metal salt composite non-woven fabric; immersing the polyacrylonitrile-metal salt composite non-woven fabric in a methanol solution of an organic ligand, uniformly forming a layer of organic metal framework material on a polyacrylonitrile fiber surface by a strong coordination effect of dissolved-out metal ions and the organic ligand so as to obtaina polyacrylonitrile-metal salt@organic metal framework; and placing the polyacrylonitrile-metal salt@organic metal framework in a tubular furnace, allowing the polyacrylonitrile to be pre-oxidized under 280 DEG C, performing high-temperature carbonization under a mixed atmosphere of hydrogen and argon, and finally, performing oxidization, vulcanization or selenylation to obtain the sheet-shaped CNF-metal compound independent electrode material. The CNF-metal compound independent electrode material is cut into an electrode plate and is directly used as a negative electrode in a lithium ion battery.
Owner:GUANGDONG UNIV OF TECH

Consolidation growth-promoting stabilizer, and preparation method and application method thereof

InactiveCN104402379AAvoid premature reaction to form precipitateImprove toughnessSoil preservationSoil stabilizationSlurry
The invention discloses a consolidation growth-promoting stabilizer, and a preparation method and an application method thereof. The stabilizer is composed of the following components, by weight: 20-50% of common Portland cement, 1-30% of fly ash, 5-10% of silica fume, 30-50% of dihydrate gypsum, 0.5-1.5% of a dispersant, and 5-15% of sodium polyacrylate. The above components are prepared into liquid by using water with the method disclosed by the invention. When in use, with the method disclosed by the invention, soil is consolidated with a slurry injection manner using a high pressure gun. The stabilizer provided by the invention has high stabilization capacity and high adhesion to soil. With the stabilizer, soil capacities of absorbing and storing water can be improved. While an easily-weathered slope is effectively stabilized, sowed seed normal germination and growth can be ensured and can be promoted to a certain extent. Therefore, erosion can be resisted, vegetation restoration can be promoted, and good soil stabilization and regeneration effects can be realized. When the stabilizer is used in treatments of desertified areas and slopes, even more outstanding effect can be performed.
Owner:TIANJIN CHENGJIAN UNIV

New use of aesculin in preventing and/or treating cardiovascular disease

The invention discloses an application of Esculin to prevent and / or treat terminal advanced glycation end-products disease and Cardio-Cerebral-Vascular Disease, especially for the coronary atherosclerosis and arterial atherosclerosis, which is characterized by the following: cracking of terminal advanced glycation end-products, eliminating superoxide anion radical; protecting organism cell from Free-Raducak Injury; antagonizing Experimentative Hyperlipoidemia and decreasing Carotid Atherosclerosis formation. The invention has low toxicity, easy extraction, vast resource, good prospects, which is a perfect Chinese Herb to cure Cardio-Cerebral-Vascular Disease.
Owner:INST OF MATERIA MEDICA CHINESE ACAD OF MEDICAL SCI

Preparation method of polypropylene-based bamboo-plastic foam composite material

ActiveCN103224668AOvercome the problem of difficult foamingHigh specific strengthCross-linkPolypropylene
The invention discloses a preparation method of a polypropylene-based bamboo-plastic foam composite material. The polypropylene-based bamboo-plastic foam composite material is prepared by the following steps: extruding polypropylene resin, a cross-linking agent, an auxiliary cross-linking agent, a foaming agent and a foaming promoter through a torque rheometer to prepare a foam master batch; heating and uniformly mixing polypropylene resin, a lubricant, an anti-oxidant, an anti-ultraviolet agent, a bamboo powder and an interfacial compatibilizer in a high-speed mixer to prepare a premix, banburying the premix in a torque rheometer, discharging and crushing to obtain bamboo-plastic particles; uniformly mixing the bamboo-plastic particles and the foam master batch and placing in a press vulcanizer, and carrying out pre-compaction, hot briquetting and cold compression for shaping. The content of the bamboo powder reaches up to 60%. The raw materials are cheap and can be recovered. The production process is convenient and environmentally friendly. The polypropylene-based bamboo-plastic foam composite material has advantages of good Foam cell form, low density, high specific strength and good water resistance and heat resistance, and has good market space and application prospect.
Owner:FUJIAN AGRI & FORESTRY UNIV

Preparation method of curcumin flexible liposome cream

The invention relates to a preparation method of a curcumin flexible liposome cream. The preparation method comprises the following three steps: preparing a curcumin flexible liposome, preparing freeze-dried powder from the curcumin flexible liposome, and preparing a curcumin flexible liposome cream. According to the preparation method disclosed by the invention, a curcumin liposome and a flexible liposome are prepared by virtue of a thin film dispersion process, and emulsible pastes of the curcumin liposome and the flexible liposome are prepared by virtue of an emulsification process so as to ensure that an optimal prescription is screened out and is subjected to stability evaluation and sensory evaluation, the utilization degree of curcumin can be improved, the emulsible pastes can be finer and more lubricant, and more choices can be provided in the application of cosmeceuticals in the future.
Owner:YANTAI UNIV

Clamping clamp for robot parts

The invention relates to a clamping fixture for robot parts. The positioning frame is U-shaped; the upper end of the positioning frame is provided with a positioning block; the upper end of the positioning frame is provided with a sliding groove; There is a connecting plate; the connecting plate passes through the sliding groove and is connected with the slider block on the positioning frame, and the sliding block is slidably set in the sliding groove by pushing the cylinder; the positioning block and the sliding block are arranged correspondingly; There is a support cylinder on the fixed block; one end of the block is connected with the support cylinder, and the other end is rotatably connected with the fixed block; an inclined surface is provided on the block; a support plate is provided at one end of the bottom plate; a compression cylinder is provided above the support plate; The tight cylinder is connected to the pressure plate through the support plate; the lower end of the pressure plate is provided with an arc pressure block. The structure of the invention is simple and practical, and the operation is convenient. It can fix various robot parts with different shapes, and improves the processing efficiency and precision of the robot parts. .
Owner:JIANGSU YUBO AUTOMATION EQUIP CO LTD

Nest alkane type diterpenoid and abstraction and separation method thereof

The invention discloses a nest alkyl type diterpenoid compound and a method for extracting and separating the same. The compound has a structural formula I or II; an extraction and separation method comprises the following steps of raw material pulverization, leaching, extraction and column chromatogram separation. The nest alkyl type diterpenoid compound provided by the invention has good exploitation, utilization and development prospect. The extraction and separation method is simple and feasible and reduces the cost and operating difficulty of the extraction and separation method.
Owner:HENAN AGRICULTURAL UNIVERSITY

PtPd electrocatalyst used for fuel cell and preparation method for PtPd electrocatalyst

The invention relates to a PtPd electrocatalyst used for a fuel cell and a preparation method for the PtPd electrocatalyst. The preparation method comprises the following steps of dissolving a tri-block copolymer P123 into secondary distilling water, stirring, controlling the temperature to be 30-120 DEG C, adding a K<2>PdCl<4> solution to the P123 solution dropwise, after completing the adding of the K<2>PdCl<4> solution, adding a K<2>PtCl<6> solution, stirring and reacting for 2-6h, and performing centrifuging and washing on a black suspension liquid which is obtained through reaction to obtain the PtPd electrocatalyst used for the fuel cell. The tri-block copolymer P123 is used as a protective agent; meanwhile, based on the reaction selectivity of the tri-block copolymer P123 which can effectively restore the K<2>PdCl<4> rather than the K<2>PtCl<6>, the Pd obtained through reduction is subjected to a potential replacement reaction with the K<2>PtCl<6>; and the obtained PtPd electrocatalyst has a new and different hollow net-shaped structure and excellent electrocatalytic oxidation methyl alcohol performance, and is a fuel cell catalyst with extremely high development prospect.
Owner:CHINA THREE GORGES UNIV

System and method for identifying fire in video based on convolutional neural network

The invention provides a system and method for identifying a fire in a video based on a convolutional neural network, and relates to the technical field of deep learning. The system comprise a user login and registration module, a user information management module, a video fire identification module and an early warning information notification module, wherein the video fire identification moduleis a core part. The method comprises the following steps: firstly, carrying out frame extraction processing on a target video by using OpenCV; carrying out preprocessing such as random parameter change and image enhancement on the image; obtaining input data of the neural network; then, creating a convolutional neural network model LeNet-5 by means of TensorFlow; and reading the image data in thetraining set to train the model, performing persistence on the model with the best performance on the test set, finally inputting the preprocessed image data into the trained model for identification, and analyzing and displaying a result.
Owner:NORTHEASTERN UNIV

Adsorption plate used for soil heavy metal cadmium adsorption and preparation method and application thereof

The invention provides an adsorption plate used for soil heavy metal cadmium adsorption and a preparation method thereof; rice straw and / or rice husk are / is modified by phosphoric acid, and then mixed with sodium alginate to prepare a homogenate, the homogenate is added into a hollow cylindrical mold with an inner cavity, the cylindrical mold comprises a bottom surface and a side face tube which is in sealed connection with the edge of the bottom surface, a plurality of mutually parallel pillars are uniformly arranged on the bottom inner surface of the inner cavity of the mold in the direction of being perpendicular to the base plane of the mold, and the mold filled with the homogenate is frozen for shaping at the temperature of-20 DEG C, and then is demoulded to prepare a sodium alginate-rice straw and rice husk particle porous adsorption plate. The invention also provides application of the porous adsorption plate prepared by the method in adsorption and fixing of heavy metal cadmium in soil. The method has the advantages of simple operation and low cost, does not cause secondary pollution, and can be widely applied to repair of heavy metal cadmium polluted soil.
Owner:HANGZHOU NORMAL UNIVERSITY

Ternary CoAuPd catalyst for fuel cells and preparation method and application thereof

The invention relates to a preparation method and application of a fuel cell catalyst. Electrochemical dealloying is performed. The synthesis method adopts a continuous reduction method, and includesthe steps that a triblock copolymer P123 serves as a protecting agent, and sodium borohydride serves as a reducing agent; a certain amount of P123 is taken and dissolved in redistilled water, a cobaltchloride solution is added to the P123 solution, before reaction, nitrogen is introduced to remove oxygen, continuous stirring is performed, and the reaction temperature is controlled to be room temperature (30 DEG C); a sodium borohydride solution is slowly dropwise added to the reaction liquid, 30 minutes after dropwise adding, a mixed solution of chloroauric acid and potassium chloropalladateis slowly dropwise added to the reaction liquid, and the reaction is stopped after lasting 4 hours; the reaction liquid is centrifuged and washed three to five times to obtain the ternary CoAuPd alloycatalyst for fuel cells. The special ternary CoAuPd alloy catalyst has excellent methanol catalytic oxidation performance and oxygen reduction catalytic activity after electrochemical gradient dealloying and is a fuel cell catalyst with broad development prospects.
Owner:CHINA THREE GORGES UNIV

Brevibacillus choshinensis X23 and application thereof

The invention provides a set of production technology for preventing ralstonia solanacearum from growing and reproducing in solanaceae crops to increase crop yield by aiming at the defects of the prior art for controlling the damages of the ralstonia solanacearum to the crops. Brevibacillus choshinensis X23 has a wide bacteriostatic spectrum and good environmental safety and has antagonism effects to various pathogenic fungi, such as phytophthora parasitica var nicotianae, pyricularia grisea, alternaria alternate, phytophthora infestans and the like, so that the brevibacillus choshinensis X23 has favorable development prospect and application potential.
Owner:HUNAN AGRICULTURAL UNIV

Special fermentation microbial inoculum for sugarcane by-product feed and preparation method thereof

The invention discloses a special fermentation microbial inoculum for sugarcane by-product feed and a preparation method thereof. The fermentation microbial inoculum comprises special domesticated bacteria freeze-dried powder and freeze-dried powder of various active ingredients such as candida utilis, lactobacillus plantarum, bacillus subtilis, aspergillus niger, aspergillus oryzae, trichoderma viride and the like, which can effectively degrade sugarcane by-products such as sugarcane tail tips, bagasse, molasses and the like, and each strain is coordinated and matched with each other, so thatthe method has the advantages of high fermentation efficiency, high speed, low energy consumption, high conversion rate and good stability. Domestication bacteria used by the fermentation microbial inoculum are from nature, and are obtained through enrichment, screening and domestication, which have super strong propagation and adaptability, can decompose cellulose in sugarcane by-products in a targeted manner, high molecular carbohydrates which are difficult to be fully digested and absorbed by animals such as crude fiber, lignin and the like can be converted into low molecular substances which can be absorbed and utilized, meanwhile, the content of crude protein in fermentation feed is improved, and nutrition and palatability of feed are improved.
Owner:GUANGXI ZHUANG AUTONOMOUS REGION ACAD OF AGRI SCI
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