34results about How to "Make sure to generate" patented technology

A credibility network framework based on identities belongs to the technical field of information security, which comprises three layers and three entities, wherein the three layers are a physical transmission layer, a network layer and an application program layer; and the three entities are a network access sponsor, a network access controller and a safety tactics server. The credibility network framework adopts a vector quantity encryption authentication mechanism based on the identifies of accessors, and guarantees that the requirements of all network accessors are the encryption data streams bound with accessor entities, as long as access controllers use personal identify labels and identify information of access requesting labels to obtain accurate proof test value through decrypting requesting data, bidirectional equipotent identify authentication is realized, then authority and content are evaluated and detected by access control assemblies and safety monitoring assemblies so as to guarantee that all access requirements are safe, and unsafe access requirements are refused, thereby the credibility network framework is realized.

Provided are a sludge reduction and recycling treatment device and a sludge treatment method. The method includes the steps of performing spray drying on dewatered sludge, mixing coal pyrolysis, using pyrolytic carbon incineration ash as a raw building material, recycling pyrolysis oil and pyrolysis gas as supplement energy, performing up-to-standard discharging on flue gas emitted by a pyrolysis furnace after subjecting the flue gas to treatment in a spray tower, a mist removal device and an activated carbon adsorption bed, and supplying an incinerator with low heat of the pyrolysis furnace. The sludge reduction and recycling treatment device and the sludge treatment method have the advantages of being capable of achieving a sludge recycling recovery rate of 95%, a sludge reduction rate of over 96%, a heavy metal solidification rate of 95% and zero emission of pollutants; the generation of harmful gas such as dioxin is inhibited due to fully-enclosed oxygen-free environment pyrolysis and sulfur in coal; residual dioxin can be decomposed by being burnt at the temperature above 950 DEG C so as to ensure no generation and emission of dioxin in an entire reaction process of a system; a mixture of flue gas, low heat, pyrolysis gas and pyrolysis oil can be recycled, so that energy consumption and treatment costs are reduced.

The invention relates to an efficient cementitious capillary crystalline waterproofing coating. The coating is prepared from the following raw materials in parts by weight: 40-70% of silicate cement, 12-23% of high-activity master batch, 20-30% of quartz sand, 0.3-1.2% of a catalyst and 1.2-3% of a diffusion agent. According to the invention, active chemical materials are doped into silicate cement and quartz sand which are adopted as base materials so as to prepare a powder material; then the powder material can be mixed with water to prepare slurry which can be coated or sprayed onto the surface of cement concrete, or the powder material can be coated or pressed onto the surface of the cement concrete which is not completely solidified so that the anti-penetrability performance of the concrete is increased; the function mechanism is as follows: the active chemical materials in the waterproofing coating permeate into the inside of the concrete and react with various oxides in the concrete, then water-insoluble crystallines are formed in the concrete and capillary channels are blocked, so that the concrete is compact and fireproof.

The invention relates to a hollow structure potassium magnesium titanate whisker material and a method for preparing the same. The technical scheme is that the method comprises evenly mixing a titanium-containing raw material, a magnesium-containing raw material and a binding agent, performing forming, performing heat treatment and then grinding the mixture to obtain a material A with the particle size of 0.088-1 mm and a material B with the particle size smaller than 0.088 mm; evenly mixing a potassium-containing raw material, a titanium-containing raw material and a binding agent, performing forming, performing heat treatment and then grinding the mixture to obtain a material C with the particle size smaller than 0.088 mm; evenly mixing the material A, the material B, the material C and a potassium-containing raw material, performing heat treatment and then grinding the mixture to obtain a ground material; finally adding the material C, the potassium-containing raw material and water to the ground material, mixing the mixture, pressing the mixture into green bodies, drying the green bodies, performing heat treatment, and then performing washing, filtration and drying to obtain the hollow structure potassium magnesium titanate whisker material. The external diameters of whiskers of the prepared hollow structure potassium magnesium titanate whisker material are 0.1-5 microns, the internal diameters of the whiskers are 0.05-1 micron, and the lengths of the whiskers are 3-30 microns. The hollow structure potassium magnesium titanate whisker material is high in crystallinity and uniform in size.

The invention discloses a method for assessing lithium ion battery safety through a forced internal short circuit. A hole is produced in a closed shell of a lithium ion battery to be assessed to keep a consistent pressure inside and outside the battery. Then with an overcharging method, lithium dendrites are forced to grow on the negative electrode until puncturing a separator film and causing an internal short circuit, and meanwhile the battery is checked to find out whether thermal runaway happens so as to assess the safety performance of the battery. The method is simple in operation and can simulate the situation that the lithium dendrites grow and puncture the separator film to cause the internal short circuit under an extreme condition during real charging. The newly-generated lithium dendrites have the same surface status, and the reproducibility is expected to be good.

The invention relates to a production technique for skin of beancurd comprising the steps of choosing soya bean, baking and frying, peeling, steeping, milling milk, filtering and rouging, forming soybean milk, boiling, refining bean peel, sorting peel, and airing. The bean peel refining procedure includes sustaining the temperature of soybean milk to above 100 deg. C, blowing boiling soybean milk surface into a flat surface with cold-blast air, and gradually forming a thin film.

The invention belongs to the technical field of preparation of composite materials and discloses a ferric oxide / bismuth oxybromide composite material and a preparation method and application thereof. The ferric oxide / bismuth oxybromide composite material is formed by ferric oxide nano-clusters depositing on the surfaces of bismuth oxybromide nano-sheets. The preparation method comprises the steps of adding an alkali solution into a ferric nitrate solution to obtain a ferric hydroxide colloidal solution, adding a KBr solution into a bismuth nitrate solution, performing mixing to obtain a mixed solution, dropwise adding the ferric hydroxide colloidal solution into the mixed solution and performing hydrothermal reaction to obtain the ferric oxide / bismuth oxybromide composite material. The preparation method has the advantages of being simple in preparation process and low in cost, having very good environmental protection benefits and the like, the prepared composite material has excellent photocatalytic performance and is widely applied to the field of photocatalytic degradation of dye wastewater, and the higher catalytic efficiency can be obtained.

A spark-igniting engine combustion system is provided, which comprises: an electric control unit ECU, a high energy spark coil, a spark plug, an engine cylinder head and a hemispherical combustion chamber. Wherein, the spark plug is matched with the engine cylinder head and is positioned on the latter; the electric control unit ECU controls the high energy spark coil to facilitate the spark plug producing electric spark, so as to realize ignition in the hemispherical combustion chamber; the engine cylinder head adopts double spark plug structure; the electric control unit ECU adopts two suites of independent energy storage and ignition modules being respectively connected with the high energy spark coil; the varied ignition control strategy is adopted to control the ignition by the double spark plug. The invention is able to ensure the cold start or successful ignition of engine, enhance the combustion velocity and the rate of flame spread, organize the movement of air flow in the combustion chamber and assure full combustion in the engine, thereby improving the thermal efficiency of the engine and reducing the emission of tail gas.

The invention discloses a toxic ligand free electrochemistry regulated atom transfer radical polymerization method. According to the method, under an electrochemical effect, no any toxic ligand is used, and five reactions raw materials namely monomers, a catalyst, an initiator, an electrolyte, and a solvent are mixed to make the monomers carry out atom transfer radical polymerization reactions to generate corresponding polymers. The reaction raw materials and reaction conditions of atom transfer radical polymerization reactions are improved; during the process of atom transfer radical polymerization reactions, an electrochemical effect is applied; the problem that a low valent transition metal catalyst is difficult to store and process in an atom transfer radical polymerization system is effectively solved; the shortages such as toxic ligand, pricy reducing agent, strong toxicity, volatility, and the like, are overcome, and the damage to the environment and the reaction cost are both reduced.

The invention discloses an atom transfer radical polymerization method utilizing a low temperature eutectic melt effect. The method is characterized in that in a low temperature eutectic melt environment, monomers, an initiator, and a catalyst are mixed to make the monomers carry out atom transfer radical polymerization reactions to generate corresponding polymers, wherein the low temperature eutectic melt is in a liquid state. According to the method, the medium of atom transfer radical polymerization reactions is improved, the low temperature eutectic melt is taken as the solvent or ligand of the polymerization system, and the components of the atom transfer radical polymerization system are further optimized to overcome the shortages of the prior art such as high price of ligands, strong toxicity of ligands, and the like.

The invention provides a ligand-free atom transfer radical polymerization method under the effect of metal elementary substances. Organic ligands are omitted in the ligand-free atom transfer radical polymerization method. Polymerization systems comprise vinyl monomers, halogenated hydrocarbon, the metal elementary substances and transition metal catalysts. The ligand-free atom transfer radical polymerization method has the advantages that atom transfer radical polymerization reaction can be carried out on the monomers under halogenated hydrocarbon activation effects of the metal elementary substances, and accordingly polymers with narrow molecular weight distribution can be generated; the halogenated hydrocarbon is activated by the aid of the metal elementary substances, accordingly, the reaction activity of the polymerization systems can be improved, polymerization after-treatment procedures can be simplified, and the cost can be reduced; the organic ligands are omitted in the ligand-free atom transfer radical polymerization method, and accordingly the shortcomings of high cost and toxicity, volatility and the like due to organic compounds or polar solvents which are used as ligands in existing atom transfer radical polymerization systems can be overcome.

The invention relates to a method for preparing water-soluble acrylic epoxy resin, which comprises the following steps of: performing half ring-opening reaction on epoxy resin and alkyl monobasic acid under the catalysis of tertiary amine, and controlling the molar ratio of the alkyl monobasic acid to epoxy groups in the epoxy resin to be 1:2 in the reaction process; and performing esterification reaction on the epoxy resin and acrylic polymer under the catalysis of the tertiary amine. By accurately controlling the using amount of the alkyl monobasic acid, the ring-opening reaction degree of the epoxy resin and the generation of an esterification product are ensured. The epoxy resin subjected to half ring-opening reaction comprises only one epoxy group, and only one carboxyl is esterified when epoxy monobasic acid ester obtained through half ring-opening reaction and acrylic acid are subjected to esterification reaction, so the reaction process is stable, gelatination can be avoided, and the method is suitable for mass production.

The invention discloses a preparation method of a vegetable oil modified polymer polyether defoamer, and the method comprises the following steps: by using epoxidized vegetable oil, fatty alcohol, ethylene oxide and propylene oxide as raw materials, carrying out ring-opening polymerization reaction under the action of a catalyst to obtain the vegetable oil modified polymer polyether defoamer. Thecatalyst Lewis acid-base pair catalyst is composed of PR3 and organoborane; the method is simple to operate and low in production cost, can perform ring-opening polymerization reaction of the epoxy compound at normal temperature to complete preparation of the polyether polymer, greatly reduces energy loss, and is harmless to the environment, safe and environment-friendly.

The invention provides a landfill leachate concentrated solution adsorption, fermentation, dehydration and solidification process. The process comprises the steps of coarse filtration, fine filtration, mixing, fermentation, granulation and carbonization. Biomass straws are added, a microbial decomposition agent is used for fermentation and natural dehydration, and microbial organic fertilizer, carbon-based compound fertilizer, biomass fuel and activated carbon special for sewage treatment meeting the national standards can be produced. The purposes of treating waste with waste and turning waste into wealth are achieved. The process is used for reduction, harmlessness and resourceful treatment on hazardous wastes. The process accords with national industrial policies of renewable resource utilization, circular economy and environmental protection, and has good economic and social benefits.

The invention provides a method for polymerizing reverse atom transfer radicals under activation action of alkali on halohydrocarbon. According to the polymerization method, no organic ligand or radical initiator is used, a polymerization system comprises vinyl monomers, halohydrocarbon, alkali and a high-valence transition metal catalyst, and monomers are subjected to a reverse atom transfer radical polymerization reaction under the activation action of alkali on halohydrocarbon to produce a polymer with narrow molecular weight distribution. With the adoption of the polymerization method, no radical initiator or a low-valence transition metal catalyst sensitive to water and oxygen is used, and meanwhile, the defects of high price and environmental pollution due to the fact that toxic and volatile organic compounds are used as ligands in existing atom transfer radical polymerization methods are overcome.

The invention discloses a method for preparing mesotrione with a stable crystal form. The method comprises the following steps of: using chloroalkane as a denaturant which forms mesotrione with a thermodynamically stable crystal form (crystal form I), and selectively obtaining mesotrione with the stable crystal form from aqueous liquor of mesotrione; and when the thermodynamically stable crystal form I is completely formed, decompressing and distilling to remove chloroalkane in the liquor. The invention simultaneously provides a method for eliminating distillation foam. The method provided by the invention not only ensures generation of stable crystal form of products and guarantees the product quality, but also improves the distillation safety. Meanwhile, in the crystallization process, a lot of seed crystals are not added in advance, and the product obtained is easy to filter, so that the utilization ratio of the equipment is greatly improved, and therefore, the production capacity is improved and the energy consumption is reduced.

The invention relates to an efficient cementitious capillary crystalline waterproofing coating. The coating is prepared from the following raw materials in parts by weight: 40-70% of silicate cement, 12-23% of high-activity master batch, 20-30% of quartz sand, 0.3-1.2% of a catalyst and 1.2-3% of a diffusion agent. According to the invention, active chemical materials are doped into silicate cement and quartz sand which are adopted as base materials so as to prepare a powder material; then the powder material can be mixed with water to prepare slurry which can be coated or sprayed onto the surface of cement concrete, or the powder material can be coated or pressed onto the surface of the cement concrete which is not completely solidified so that the anti-penetrability performance of the concrete is increased; the function mechanism is as follows: the active chemical materials in the waterproofing coating permeate into the inside of the concrete and react with various oxides in the concrete, then water-insoluble crystallines are formed in the concrete and capillary channels are blocked, so that the concrete is compact and fireproof.

The invention discloses a preparation method of nano calcium carbonate, which comprises the following steps: calcining and decomposing calcium carbonate ore serving as a raw material into calcium oxide, then digesting and aging, adding a crystal form control agent, introducing carbon dioxide gas, carrying out water bath reaction, and monitoring the pH value of the solution; after the pH value reaches 7, the carbon dioxide gas is still continuously introduced to enable the carbon dioxide gas to be over-carbonized until the pH value reaches 6 or below, gas introduction is stopped, filtering, washing and drying are conducted in time, and the nano calcium carbonate is prepared. The carbon dioxide is continuously introduced after the calcium hydroxide is completely consumed, so that the nano calcium carbonate at a relatively weak link part in the chain-shaped nano calcium carbonate is re-dissolved to generate calcium bicarbonate, and the particles are separated to obtain the monodispersed nano calcium carbonate. The method is simple and controllable, is suitable for industrial production, and can be used for preparing nano calcium carbonate with good monodispersity and uniform particles.

The invention belongs to the technical field of electrode material manufacturing, and particularly relates to a chromium oxide / carbon fluoride / high-conductivity substance composite material for a lithium primary battery. the electrode material is prepared by taking chromium trioxide as a reaction raw material and carbon fluoride and a high-conductivity substance premix as a doping material, and sequentially carrying out ball milling and oxygen introduction sintering on the reaction raw material and the doping material; AND carbon fluoride and a high-conductivity substance are selected as doping materials, chromium trioxide is taken as a raw material for preparing chromium oxide, and the doping materials are introduced in the whole process of forming the chromium oxide, so that the carbon fluoride and the high-conductivity substance can be uniformly doped on the surface of the chromium oxide or embedded into the chromium oxide while CrO3 is subjected to liquefaction and decomposition reaction at high temperature, and the first discharge specific capacity and the rate capability of the chromium oxide are effectively improved.

The invention discloses a method for preparing mesotrione with a stable crystal form. The method comprises the following steps of: using chloroalkane as a denaturant which forms mesotrione with a thermodynamically stable crystal form (crystal form I), and selectively obtaining mesotrione with the stable crystal form from aqueous liquor of mesotrione; and when the thermodynamically stable crystal form I is completely formed, decompressing and distilling to remove chloroalkane in the liquor. The invention simultaneously provides a method for eliminating distillation foam. The method provided by the invention not only ensures generation of stable crystal form of products and guarantees the product quality, but also improves the distillation safety. Meanwhile, in the crystallization process, a lot of seed crystals are not added in advance, and the product obtained is easy to filter, so that the utilization ratio of the equipment is greatly improved, and therefore, the production capacity is improved and the energy consumption is reduced.

The invention discloses a manufacturing method for a nano-platinum-titanium electrode. Firstly, a pure titanium electrode substrate through surface treatment is immersed in a certain concentration ofchloroplatinate ion-containing solution, and a two-electrode system is established and micro-voltage is applied; then, a reductant is added to the solution, and in-situ reduction is carried out on thepure titanium electrode substrate and platinum nanoparticles are deposited; and finally, through high-temperature treatment, a nano-platinum-titanium electrode is obtained. The manufacturing method has the advantages that the manufacturing is fast, the system is simply and conveniently formed, the platinum nano adsorption capacity is strong, the nano platinum is firmly bonded with the electrode substrate, and the manufactured nano-platinum-titanium electrode can withstand strong acid and other harsh environments.

The invention provides a method for polymerizing reverse atom transfer radicals under activation action of alkali on halohydrocarbon. According to the polymerization method, no organic ligand or radical initiator is used, a polymerization system comprises vinyl monomers, halohydrocarbon, alkali and a high-valence transition metal catalyst, and monomers are subjected to a reverse atom transfer radical polymerization reaction under the activation action of alkali on halohydrocarbon to produce a polymer with narrow molecular weight distribution. With the adoption of the polymerization method, no radical initiator or a low-valence transition metal catalyst sensitive to water and oxygen is used, and meanwhile, the defects of high price and environmental pollution due to the fact that toxic and volatile organic compounds are used as ligands in existing atom transfer radical polymerization methods are overcome.

The invention relates to a hollow structure magnesium potassium titanate whisker material and a preparation method thereof. The technical plan is: mix titanium-containing raw materials, magnesium-containing raw materials and binders, shape them, grind them after heat treatment, and obtain material A with a particle size of 0.088~1mm and material B with a particle size of less than 0.088mm; The titanium raw material and the binder are mixed, shaped, and ground after heat treatment to obtain material C with a particle size of less than 0.088mm; then, material A, material B, material C and potassium-containing raw material are mixed, and ground after heat treatment to obtain powder and abrasive material; finally Add material C, potassium-containing raw materials and water to the grinding material, stir, press into a green body, dry the green body, wash with water after heat treatment, filter, and dry to obtain a hollow structure magnesium potassium titanate whisker material. The whisker outer diameter of the hollow structure magnesium potassium titanate whisker material prepared by the present invention is 0.1-5 μm, the inner diameter of the whisker is 0.05-1 μm, and the length of the whisker is 3-30 μm. High crystallinity and uniform size.

The invention relates to a fiber-reinforced mullite ceramic matrix composite material and a preparation method thereof. The preparation method includes the following steps: (1) the step of preparing an impregnating precursor: mixing alumina powder, silica sol and a dispersant, and ball-milling to obtain an impregnating precursor; the silica sol has a solid content of 15-30wt% Acidic silica sol; the particle size gradation of the alumina powder is as follows: the powder smaller than 100nm accounts for 5-15wt%, the powder with 100nm-200nm accounts for 70-80wt%, and the powder larger than 200nm accounts for 5-15wt% ; The molar ratio of the alumina in the alumina powder and the silica in the silica sol is 3:2-4:2; (2) the step of vacuum impregnation; (3) the step of drying; (4) the step of sintering; and (5) the step of densification. The preparation method has lower requirements on the weaving of fibers and lower cost, and can obtain a mullite ceramic matrix composite material with excellent performance.

The invention belongs to the technical field of electrode material production, and in particular relates to a composite material of chromium oxide / carbon fluoride / highly conductive substance for lithium primary batteries. The premix of the active substance is the doping material, and the reaction raw material and the doping material are sequentially ball-milled and sintered with oxygen; the present invention selects carbon fluoride and high-conductivity substances as the doping material, and uses chromium trioxide as the preparation of chromium The raw material of oxide, the doping material is introduced in the whole process of chromium oxide formation, so that CrO 3 While undergoing liquefaction and decomposition reaction process at high temperature, carbon fluoride and highly conductive substances can be uniformly doped on the surface of chromium oxide or embedded in the interior, which effectively improves the first discharge specific capacity and rate performance of chromium oxide.

The invention discloses a recombinant insulin gene containing a furin enzyme cutting site, the positive-sense strand of the oligonucleotide sequence of the recombinant insulin gene containing the furin enzyme cutting site is shown as SEQ ID NO: 1, and the antisense strand sequence of the recombinant insulin gene containing the furin enzyme cutting site is shown as SEQ ID NO: 2. The invention also discloses an IRES-hINS recombinant gene, an expression cassette, a recombinant vector, a recombinant cell, a lentivirus and a construction method and application of the IRES-hINS recombinant gene. The invention also discloses application of the recombinant gene and the like in recombinant insulin-related therapeutic drugs. The IRES-hINS sequence designed by the invention can respond to the change of the blood sugar concentration in a culture medium after cells are transfected, so that the synthesis level of insulin is increased or reduced, and the IRES-hINS sequence has very important significance on treatment of diabetes mellitus.