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30results about How to "No threat" patented technology

Biodegradable coated compound fertilizer and preparation method thereof

The invention relates to a coated compound fertilizer, in particular to a totally biodegradable coated compound fertilizer and a preparation method thereof. The coated compound fertilizer consists of a coated layer and a compound fertilizer core. The main body of the coated layer is polylactic acid and / or polybutylene succinate. The coating process adopts fluidized bed spraying-coated technology, and comprises the following steps: dissolving polylactic acid and / or polybutylene succinate in trichloromethane, adding carboxymethylcellulose, urease and / or nitrification inhibitor, organic and / or inorganic conditioner in the solution, spraying and coating the surfaces of the fluidized compound fertilizer granules after uniformly mixing the mixture under the stirring of a stirrer to form the uniform and complete organic polymeric membrane layer. The process has the advantages of easy implementation, and capacity of effectively slowing down the release of the fertilizer nutrient to the outside and the conversion rate of nitrogen in soils, effectively controlling the release and conversion of the fertilizer nutrient in soils, and reducing the pressure on environment caused by the rapid release of nutrient. The coated material can be totally biodegradable, and the degradation products have no secondary pollution to the environment.
Owner:SHENYANG INST OF APPLIED ECOLOGY - CHINESE ACAD OF SCI

Pollution-free hog house disinfectant

The invention relates to a pollution-free hog house disinfectant prepared from the following raw materials in parts by weight: 12-15 parts of rhizoma anemarrhenae, 5-7 parts of catalpa leaf, 20-30 parts of rheum officinale, 5-12 parts of pericarpium citri reticulatae viride, 12-15 parts of cortex magnoliae officinalis, 20-30 parts of agastache rugosus, 10-15 parts of elsholtzia ciliata, 3-5 parts of cyrtomium rhizome, 6-9 parts of common andrographis herb, 3-7 parts of negundo chastetree fruit, 15-20 parts of table salt, and 5-12 parts of sodium bicarbonate. The product has quite good bactericidal and bacteriostatic effects, can effectively inhibit and kill pathogenic bacteria, fungi and viruses in the environment, also has inhibition and killing effects on various parasites, and especially has quite good bacteriostatic effect on escherichia coli, staphylococcus aureus and shigella dysenteriae; and the product is natural, safe and pollution-free, can be used in various stages of hog breeding, meets demands of consumers on pollution-free breeding and requirements of modern hog industry, and has broad market prospects.
Owner:南通市电梯部件业商会

Cutting tool machining grinding wheel

The invention discloses a cutting tool machining grinding wheel. The cutting tool machining grinding wheel comprises a grinding wheel base and a grinding material layer located on the grinding wheel base. The grinding material layer comprises the following components including, by mass, 15%-19% of diamond, 3%-7% of silicon carbide, 4%-6% of silicon dioxide, 1%-4% of resin powder, 2%-6% of pyrite powder, 1%-3% of lime, 9%-11% of a binder, 2%-3% of a pore former and the balance auxiliary grinding materials. Ti2O / Al2O3 film layer coated diamond is adopted as the diamond. A rubber binder is adopted as the binder. Raw materials of the rubber binder comprise, by mass, 11-18 parts of boric acid, 3-8 parts of sodium carbonate, 2-4 parts of lithium hydroxide, 11-18 parts of sodium oxide, 10-19 parts of silicon dioxide, 20-28 parts of alcohol soluble acrylate resin and 4-9 parts of butyl acrylate. One of ammonium bicarbonate and hollow alumina balls is adopted as the pore former. One of microcrystal corundum, microcrystal, black silicon carbide and black silicon carbide is adopted as the auxiliary grinding materials.
Owner:扬中市飞宇磨具有限公司

Identity encryption equivalence test method, device and system based on user group and medium

The invention discloses an identity encryption equivalence test method, device and system based on a user group and a medium. The system comprises a server and at least one user group, wherein each user group comprises a first user and at least two second users, the client used by the first user is a first client, the client used by the second user is a second client, in each user group, the firstclient and the second client are respectively connected with the server, and the first client is connected with the second client; the server is used for receiving the ciphertext sent by the second client and storing the ciphertext in a ciphertext database; receiving a group authorization trap door submitted by the first client, and performing equivalent judgment on the ciphertext to be equivalently tested by using the group authorization trap door; and sending the judgment result to the first client. The method has the characteristics of high security, rapidness and high efficiency, can be widely applied to privacy protection and retrieval of medical information of patients, and plays a crucial role in promoting the development of a network medical system.
Owner:SOUTH CHINA AGRI UNIV

Flexible curtain wall, and aero amphibious preparation, method for continuous laying it in unlimited water area

The present invention relates to a kind of flexible water-proofing wall. It is characterized by that it includes the following several portions: floating body header pipe, curtain wall body, band fastener, lifting ear, transverse rib band and connecting component. The above-mentioned curtain wall body is made up by using flexible thin-wall material, and the transverse rib band also is made up by using flexible thin-wall material. Said invention also provides the concrete connection mode of all the above-mentioned portions and the concrete application method of said flexible water-proofing wall.
Owner:张民良

Software detection method, device, equipment and medium

The invention discloses a software detection method, a device, equipment and a medium. The method comprises the following steps: transmitting a target software to a sandbox and running the target software in the sandbox; acquiring a feature set in which behavioral characteristics belonging to the extortion software are recorded; monitoring and judging whether the operation behavior of the target software matches with a preset number of behavior characteristics in the feature set; If so, the target software is judged to be blackmail software. As the sandbox is a stand-alone virtual work environment built on a computer system, even if the target software is blackmail software, in addition, the method takes multiple behavioral characteristics as the basis for judging the extortion software, and has relatively higher reliability than judging the extortion software only based on a certain behavioral characteristic. The invention also discloses a method for judging the extortion software based on the behavior characteristics. In addition, the invention also provides a software detecting device, a device and a medium, the beneficial effects of which are as described above.
Owner:SANGFOR TECH INC

A vibrio anguillarum divalent vaccine, a preparing method thereof and a using method of the vaccine

The invention relates to aquaculture animal disease control technologies, and particularly relates to a vibrio anguillarum divalent vaccine, a preparing method thereof and a using method of the vaccine. The vaccine is a bacterial suspension mixture of a vibrio anguillarum 01 serotype and a 02 serotype. The vibrio anguillarum 01 serotype and the 02 serotype are deposited in the general microbiology center of the China Committee for Culture Collection of Microorganisms on December 7, 2012 and respectively have an accession number namely CGMCC No.6942 and CGMCC No.6944. The divalent inactivated vaccine can protect susceptible fishes from being infected by pathogenic vibrio anguillarum. The divalent vaccine broadens the vaccine protection range, effectively irritates cultured fishes to generate specific immune response, and effectively provides immune protection for diseases. Preparation of the divalent vaccine is low in cost of used materials and safe to animals and the environment.
Owner:YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI

Middle-deep ground temperature compound mode buried pipe heat exchange device

The invention provides a middle-deep ground temperature compound mode buried pipe heat exchange device, belongs to the technical field of heat exchange and heat conduction of geothermal energy, and solves the technical problems that in the prior art, a device is complex in structure, high in operation energy consumption, and low in heat exchange efficiency, and is likely to cause surface subsidence or threaten and pollute an underground water source. The heat exchange device comprises a deep buried heat exchange pipe filled with a first heat exchange working medium and buried in the undersoil. The two ends of the deep buried heat exchange pipe are connected with user sides. One or more middle buried heat exchange pipes filled with a second heat exchange working medium and buried in the undersoil are arranged on one side of the upper end of the middle buried heat exchange pipe. The two ends of the middle buried heat exchange pipe are separately connected with the user sides. The deep buried heat exchange pipe is divided into a heat insulation area and a heat exchange area from top to bottom. All or part of the middle buried heat exchange pipes are located in the heat insulation area. The heat exchange device has the advantages of being simple in structure, high in heat exchange efficiency and high in rate of geothermal utilization.
Owner:ZHEJIANG LUTE ENERGY TECH

Method for processing rieger begonia cutting slips

The invention belongs to the technical field of plant culture, in particular to the technical field of rieger begonia culture. The invention discloses a method for processing rieger begonia cutting slips, which is characterized in that: before cutting, the rieger begonia cutting slips is placed in a water-bath of which the temperature is between 50 and 55 deg c to perform constant temperature soaking for 22 to 24 hours. Compared with the prior art, the method has the advantages of avoiding damages to plants in a conventional method, improving the root number and the survival rate of cottage, and simultaneously not threatening the environment to play a role in environmental protection. According to the method, the safe storage of the rieger begonia in transportation is ensured, grey mold and torn selvedge cannot appear, and the ornamental value of the rieger begonia is improved.
Owner:DASHUN INT FLOWER

Closed double-layer barrel aerobic fermentation cylinder

The invention discloses a closed double-layer barrel aerobic fermentation cylinder, comprising a support device, a barrel, a powder driving device, a ventilation device and a feeding and discharging system, wherein the barrel and the power driving device are respectively arranged on the support device; the barrel comprises a feeding fixed end cover, a middle rotating barrel and a discharging fixed end cover; the middle rotating barrel comprises an inner barrel and an outer barrel which are arranged along the same axial direction and are fixedly connected with each other by a connecting support plate; a material retaining seal structure is arranged between one end of the inner barrel of the middle rotating barrel and the feeding fixed end cover, and another material retaining seal structure is positioned between the other end of the inner barrel of the middle rotating barrel and the discharging fixed end cover; the feeding fixed end cover and the discharging fixed end cover are respectively connected with the middle rotating barrel by an end cover fixing device; each end cover fixing device comprises a rotation fixing structure and a rotation support structure. The closed double-layer barrel aerobic fermentation cylinder is simple in structure, high in working efficiency and degree of automation, reliable in operation and good in treatment effect, is free from odor spillover in the treatment process, and is capable of realizing harmless and resource utilization of kitchen wastes.
Owner:张共敏 +2

Block chain key management method and device, equipment and storage medium

The invention discloses a blockchain key management method and device, equipment and a storage medium, and relates to the technical field of blockchains. When the method is executed by user terminal equipment, the specific implementation scheme is as follows: if a user has a current transaction processing demand, generating a first standby key of the user, wherein the first standby key is used forprocessing the next transaction processing demand of the user; signing the current transaction data and the first standby key by adopting a first current key of the user to obtain a signature result;and sending a current transaction request comprising the current transaction data, the first standby key and the signature result to the blockchain node, so as to enable the blockchain node to process the current transaction request by using the first current key, and storing the first standby key and the obtained current processing result on a chain. According to the invention, when the user processes the transaction processing demand each time, the adopted secret keys are different, so that the security of the user account is improved.
Owner:BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD

Data filtering system based on reverse proxy service and implementation method

The invention discloses a data filtering system based on reverse proxy service and an implementation method. The invention belongs to the field of computer system data processing. The technical problem to be solved by the invention is how to complete data filtering before a user request reaches an internal server and internal data is transmitted to a user. According to the system disclosed in thetechnical solution, the system comprises the reverse proxy server, a user client and the internal server; the reverse proxy server is connected with the user client and the internal server; the reverse proxy server is developed on the basis of a JAVA language and runs in a servlet container; the reverse proxy server comprises an authentication module and a filtering module; the authentication module is used for configuring a request permission of a user client and realizing permission control based on a reverse proxy and visual permission control management; the filtering module is used for providing an authority data filtering word setting function.
Owner:SHANDONG INSPUR GENESOFT INFORMATION TECH CO LTD

Slip-casting inorganic insulation board and preparation method thereof

The invention relates to a slip-casting inorganic insulation board and a preparation method thereof. The slip-casting inorganic insulation board comprises the following components in parts by weight: 500-600 parts of high-alumina cement, 100-200 parts of ordinary silicon cement, 100-200 parts of desulfurized gypsum, 300-450 parts of glazed hollow bead, 3 parts of hydroxypropyl methylcellulose, 1 part of 6mm-PP (Polypropylene) fiber, 8 parts of glass fiber, 4 parts of non-woven fiber, 4 parts of animal protein foaming agent and 1000 parts of water. The slip-casting inorganic insulation board has the advantages of high strength, difficulty in pulverization, low water absorption, stronger cohesive force with walls, difficulty in dropping, low heat conductivity coefficients, and very good energy-saving heat preservation effect, and therefore, the slip-casting inorganic insulation board simultaneously has two functions of fire retardancy and energy-saving heat preservation, thus buildings are safe and energy-saving and meet the requirements of energy conservation and environmental protection and green buildings.
Owner:上海复培新材料科技有限公司

Green environment-friendly slow-release oxygen producer and preparation method thereof

On one hand, the invention discloses a green environment-friendly slow-release oxygen producer which comprises the following components in percentage by total weight of 100%: 0.1-20% of an embedding agent, 20%-85% of an oxygen producer, 10%-60% of a filling stabilizer . On the other hand, the invention discloses a preparation method of the green environment-friendly slow-release oxygen producer. According to the invention, slow-release oxygenation is realized, the oxygenation time is prolonged, and uniform oxygenation is ensured. The effect is mild, water environment chemical properties such as pH of water cannot be violently changed, and impact and harm to aquatic organisms cannot be caused; the stability is good, water is effectively cleaned, and the sediment environment is effectively improved; the used materials are green and environment-friendly and do not threaten the environment. Generation steps are simple, and the method is suitable for large-scale production and popularization.
Owner:惠州清水湾生物材料有限公司

Nanometer heavy oil detergent

The invention discloses a nanometer heavy oil detergent and belongs to the technical field of daily detergent. The nanometer heavy oil detergent is prepared from the following raw materials in parts by weight: 15-28 parts of alpha-olefin sodium sulfonate, 0.5-1 part of fatty alcohol-polyoxyethylene ether, 0.3-0.6 part of sodium lauryl alcohol ether, 5-8 parts of sodium carbonate, 3-5 parts of fatty acid methyl ester sulfonate, 2-4 parts of natural soap powder, 0.8-2 parts of modified heterogeneous alcohol ether, 1-3 parts of sodium percarbonate, 1-3 parts of 10:1 enzyme, 1.2-1.8 parts of tea polyphenol, 0.5-1 part of alkyl polyglueoside, 1-2 parts of coconut powder, 20-25 parts of sodium bicarbonate, 5-8 parts of citric acid, 20-25 parts of nanometer refined vulcanized powder salt and 0.1-0.3 part of essence and flavor. The nanometer heavy oil detergent is used for removing household heavy oil spots, is ecological and environment-friendly, is capable of effectively removing dirt, is free from chemical reaction, such as, acid-base neutralization, has a mild nature and is free from exothermicity. When the dirty accumulated stain is smeared, a user does not need to forcefully scrub or scrape and the nanometer detergent can permeate into the deep part of the dirty part and the dirt can automatically decompose within 3-5 minutes.
Owner:江苏卓尔美物联科技股份有限公司

Seed coating agent for controlling flea beetle and Ceutorrhynchus asperRoel. for oilseed rape

The invention relates to a preparation for crop seed coating treatment, more specifically to a special microemulsion-type seed coating agent for controlling harms of flea beetle and Ceutorrhynchus asperRoel. for oilseed rape. The special microemulsion-type seed coating agent for controlling harms of flea beetle and Ceutorrhynchus asperRoel. for oilseed rape is composed of the following ingredients(by weight): 29-34.3% of chlopyrifos, 3-5.7% of fipronil, 18-22% of mixed surfactants, 1-3% of a cosurfactant, 18-22% of a cosolvent, 0.4-0.6% of a film forming agent and the rest of water. The invention has the following beneficial effect: the special microemulsion-type seed coating agent for controlling harms of flea beetle and Ceutorrhynchus asperRoel. for oilseed rape has high drug effect, islow-cost, is environmentally friendly, is convenient to use, has low dosage of fipronil, and can delay drug resistance.
Owner:QINGHAI UNIVERSITY

An adaptive seawater hydraulic system applied to a pendulum wave power generation device

The invention discloses an adaptive seawater hydraulic system applied to a pendulum wave energy power generation device, which is provided with a seawater pump, a flow regulating valve, a high-pressure hose, a manual reversing valve and a hydraulic motor in sequence along the seawater flow direction, and is characterized in that , There is a seawater filter at the seawater inlet end, a seawater monitoring module is arranged in the seawater filter, a main controller and a system parameter adjustment module are arranged in the seawater pump, and the seawater monitoring module and the system parameter adjustment module are connected with the main controller Electrical connection. The hydraulic system can monitor the front-end water quality of the seawater entering the system. After comparing with the set value in the main controller, the corresponding adjustment module is driven to adjust the water quality to ensure that the seawater properties at the motor drive stage are the most suitable for the operation of the system. , to overcome the defects of seawater itself, such as strong corrosiveness, unstable pressure, easy to freeze, etc., while making full use of wave energy, minimizing the loss of hydraulic system, and helping to prolong the service life of power generation equipment.
Owner:JIANGSU UNIV OF SCI & TECH

Construction method based on shunting separation plate bin and shunting separation plate bin device

The invention discloses a construction method based on a shunting separation plate bin. The construction method comprises the following steps: a steel box is machined according the construction site and the building size; the steel box is lifted to the construction position; after the steel box is lifted in place, soil is filled on two sides of the steel box for compaction; water currents are controlled through opening and closing of a valve on the steel box; and structural construction is performed. The construction cost and the construction period can be greatly reduced; and compared with closure or channel change in traditional drainage construction of a traditional trench, the shunting separation plate bin reduces the construction procedures to a greater extent, so that the construction period and cost are reduced. The shunting separation plate bin is applied to prevent formation of a landslide dam without threatening the downstream; meanwhile, the water use timeliness at the downstream is guaranteed; and the environmental pollution is reduced to the greatest extent.
Owner:THE FIFTH ENG CO LTD OF CHINA RAILWAY NO 10 ENG GRP

Pollution-free hog house disinfectant

The invention relates to a pollution-free hog house disinfectant prepared from the following raw materials in parts by weight: 12-15 parts of rhizoma anemarrhenae, 5-7 parts of catalpa leaf, 20-30 parts of rheum officinale, 5-12 parts of pericarpium citri reticulatae viride, 12-15 parts of cortex magnoliae officinalis, 20-30 parts of agastache rugosus, 10-15 parts of elsholtzia ciliata, 3-5 parts of cyrtomium rhizome, 6-9 parts of common andrographis herb, 3-7 parts of negundo chastetree fruit, 15-20 parts of table salt, and 5-12 parts of sodium bicarbonate. The product has quite good bactericidal and bacteriostatic effects, can effectively inhibit and kill pathogenic bacteria, fungi and viruses in the environment, also has inhibition and killing effects on various parasites, and especially has quite good bacteriostatic effect on escherichia coli, staphylococcus aureus and shigella dysenteriae; and the product is natural, safe and pollution-free, can be used in various stages of hog breeding, meets demands of consumers on pollution-free breeding and requirements of modern hog industry, and has broad market prospects.
Owner:南通市电梯部件业商会

Resource recycling method for preparing cementing material from incineration fly ash

PendingCN113213794AHigh strengthWide source and cheap priceChemical reactionEnvironmental engineering
The invention belongs to the technical field of hazardous waste resource utilization, and provides a resource recycling method for preparing a cementing material form incineration fly ash. Fly ash is encapsulated by an inorganic curing agent in a physical mode, the fly ash rich in heavy metal or chloride ions is cured / stabilized, mineral powder particles are wrapped with fly ash particles again, a waterproof inert protective layer is formed on the surface, and a new cementing material is generated. The whole production process is closed, low-temperature and high-temperature calcination and chemical reaction are avoided, zero discharge of solid waste is realized, and secondary pollution of pollutants is fundamentally solved.
Owner:天津金石建材科技有限公司

Reagents for Hematology Analyzer

The invention belongs to agents for medical diagnostic apparatuses, and in particular relates to an agent for a blood cell analyzer. The agent for the blood cell analyzer consists of a diluent, an EOI hemolytic agent, an LH hemolytic agent, an EOII staining solution and a cleaning solution. The agent for the blood cell analyzer is wide in range of use, suitable for many types of machines, suitable for detectors with machine types of BC5100 / 5180 / 5300 / 5380 / 5310 / 5390 and the like, and stable and accurate in detection result; the R value of a correlation coefficient after linear regression reaches more than or equal to 0.99 compared with a Mairui original blood cell agent and expresses relatively good relativity; and moreover, the agent is rich in raw material and low in price, and the raw materials are nontoxic and harmless and do not have threats on operators, so that the burden of the environment is lightened, and the raw materials are beneficial for popularization and application of the agent for the blood cell analyzer.
Owner:ZHONGSHAN CHUANGYI BIOCHEM ENG
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