30results about How to "Reactive" patented technology

The invention discloses a hybridoma cell strain capable of recognizing 188th amino acid of a highly pathogenic serum type 4 fowl adenovirus Hexon protein, a monoclonal antibody and application of the hybridoma cell strain. The preservation number of the cell strain 2C5 is CGMCC NO.45829, and the monoclonal antibody 2C5 capable of specifically recognizing the highly pathogenic serum type 4 fowl adenovirus hexon Hexon protein is secreted. The amino acid sequence of the antigen epitope recognized by the gene is Hexon protein GPGRNP, wherein the R188 amino acid in the Hexon protein is the key amino acid recognized by the gene. The monoclonal antibody 2C5 prepared by the invention has the specificity of high-pathogenicity FAdV-4, can specifically recognize the high-pathogenicity FAdV-4, has no cross reaction with non-pathogenicity FAdV-4 and FAdV-4 of other serotypes, and can be used as a diagnostic reagent for distinguishing the high-pathogenicity FAdV-4 and the non-pathogenicity FAdV-4.

The invention discloses heteropolyacid-assisted ball-milling modified micron zero-valent iron particles as well as a preparation method and an application of the heteropolyacid-assisted ball-milling modified micron zero-valent iron particles. The micron zero-valent iron particles are mainly prepared by mixing micron zero-valent iron, heteropoly acid and a cheap precious metal compound. According to the specific preparation method, micron zero-valent iron, heteropoly acid and a precious metal compound are placed in a ball milling tank and in a specific atmosphere to be subjected to ball milling modification, and the heteropoly acid modified ultra-low-amount ruthenium loaded micron zero-valent iron particles are obtained. The particle provided by the invention has extremely strong reaction performance on chlorinated hydrocarbon, does not generate performance degradation after being cycled for more than 30 times, can realize complete dechlorination on low-concentration and high-concentration chlorinated hydrocarbon, and has extremely high water treatment application value.

The invention relates to flame-retardant modified emulsified asphalt and a preparation method thereof, and relates to the technical field of asphalt, and the flame-retardant modified emulsified asphalt comprises the following components in parts by mass: 100-120 parts of matrix asphalt, 10-15 parts of an organic-inorganic synergistic flame retardant, 20-30 parts of high-weather-resistance flame-retardant epoxy resin, 3-5 parts of an emulsifier, 1-3 parts of an auxiliary agent and 40-50 parts of water. The flame-retardant modified emulsified asphalt is prepared by the following steps: heating matrix asphalt until the matrix asphalt is molten to obtain molten asphalt; the preparation method comprises the following steps: mixing high-weather-resistance flame-retardant epoxy resin and an emulsifier into water, and stirring to obtain an emulsion; adding the emulsified liquid and an auxiliary agent into the molten asphalt, and stirring to obtain asphalt emulsified liquid; and adding an organic-inorganic synergistic flame retardant into the asphalt emulsion, and heating and stirring to obtain the flame-retardant modified emulsified asphalt. The method has the effect of improving the flame retardant property and weather resistance of the asphalt.

The invention provides fluorescent quantitative PCR primers, a kit and a method for detecting fowl adenovirus 4, and belongs to the technical field of biological detection. The nucleotide sequence of the fluorescent quantitative PCR primer pair for detecting the fowl adenovirus 4 provided by the invention is shown as SEQ ID NO.1 and SEQ ID NO.2 or a complementary sequence of the SEQ ID NO.1 and SEQ ID NO.2. The fluorescent quantitative PCR primer and the method for detecting the fowl adenovirus 4, provided by the invention, are high in sensitivity and strong in specificity, and are negative when being used for detecting fowl adenovirus 8, Newcastle disease virus, H9 subtype avian influenza virus, infectious bronchitis virus, infectious bursal disease virus, Marek's disease virus, egg drop syndrome virus and mycoplasma synoviae, and can be used for detecting fowl adenovirus 8, Newcastle disease virus, H9 subtype avian influenza virus, infectious bronchitis virus, infectious bursal disease virus, Marek's disease virus, egg drop syndrome virus and mycoplasma synoviae. And false positive can be effectively avoided.

This application discloses a method for the conversion of C4-C6 alkanes. In a reactor, a raw material containing hydrogen and C4-C6 alkanes is contacted with a catalyst and reacted to obtain a product containing small molecule hydrocarbons; the C4-C6 alkanes are selected from at least one of n-butane, isobutane, n-pentane, isopentane, and 2,3-dimethylbutane; the small molecule hydrocarbons are selected from at least one of ethane, propane, n-butane, and n-pentane; the catalyst is prepared by the following steps: (1) mixing clay and sol, spray drying to obtain microspheres with a diameter of 1-50 μm; (2) immersing the microspheres in an aqueous solution containing a noble metal precursor, drying I, calcining I, and treating with a hydrogen atmosphere to obtain a catalyst precursor; (3) mixing the catalyst precursor, molecular sieve, and additives, rolling to form spheres, drying II, calcining II, and reducing to obtain the catalyst.

The invention discloses preparation and application of a perfluoropolyether reactive nonionic surfactant, and solves the problems that perfluoropolyether surfactants in the prior art are poor in environmental protection property and single in function, and reactivity and compatibility are difficult to consider at the same time. The preparation method comprises the following steps: taking Y-type perfluoropolyether alcohol as a raw material, carrying out ring opening on the Y-type perfluoropolyether alcohol and allyl glycidyl ether to prepare an intermediate, and reacting the intermediate with ethylene oxide to prepare the perfluoropolyether reactive nonionic surfactant product. The perfluoropolyether reactive nonionic surfactant obtained by the invention takes an allyl ether segment as a functional chain segment and a polyethylene glycol segment as a hydrophilic chain segment, is good in environmental protection property, not only has the effects of reducing surface tension and improving leveling property, but also can enable a coating to have excellent water and oil resistance and wear resistance after being cured through reaction.

This invention discloses a USY molecular sieve, its preparation, and its application. The USY molecular sieve has the following properties: mesoporous pore volume accounts for 30%–60% of the total pore volume; the total acid content is 400–480 μmol / g at 200℃ and 120–150 μmol / g at 350℃. When the molecular sieve of this invention is used as a hydrocracking catalyst, both the catalyst activity and selectivity are significantly improved.

The invention relates to the technical field of oral cavity medicines, and discloses an antioxidant polyphenol sustained-release ointment suitable for oral cavity and a preparation method and application thereof, the antioxidant polyphenol sustained-release ointment comprises the following raw materials by weight: 0.5%-5% of antioxidant polyphenol, 20%-45% of a drug solvent, 1%-10% of a water-soluble polymer substance, 15%-40% of a water-based thickener, 1%-10% of a hydrophobic polymer, and 15%-40% of an ester plasticizer. The natural polyphenol is used as a main medicine, and the natural polyphenol has multiple functions of oxidation resistance, inflammation resistance, bacterium resistance, metal ion chelation, biological adhesion and the like; the slow-release ointment is prepared from an antioxidant polyphenol substance, and a slow-release system does not contain antibiotics, has no bacterial drug resistance problem and has relatively high biological safety; the antioxidant polyphenol sustained-release ointment does not contain water, can absorb peripheral gingival crevicular fluid after being coated in a periodontal pocket, and is converted into gel with higher strength to be more stably released locally; the preparation process is simple, mild in condition and low in cost.

The present invention aims to provide a porous body for secondary batteries that can be manufactured in a manner with good reactivity and high safety, and a method for manufacturing the same. The porous body for secondary batteries comprises a sulfonic acid-containing polymer. The sulfonic acid-containing polymer is a reaction product of a hydroxyl-containing polymer and an inorganic sulfate. The method for manufacturing the porous body for secondary batteries of the present invention includes: step (S1), preparing a porous body comprising the hydroxyl-containing polymer; and step (S2), immersing the porous body in an aqueous solution containing an inorganic sulfate, removing the porous body from the aqueous solution, and heating the porous body.

This invention discloses a modified volcanic rock ultrafine composite admixture and its preparation method, belonging to the technical field of building materials and solid waste resource utilization. The admixture is composed of volcanic rock, S95 grade mineral powder, fluorogypsum, silica fume, lime powder, nano-alumina, triisopropanolamine, and polycarboxylate superplasticizer in a specific ratio. The invention also discloses its preparation method, including drying, weighing, and co-grinding the raw materials to a D50 of 7.0-8.0 μm. Through the synergistic activation effect among the components, especially the depolymerization of the volcanic rock vitreous network by F⁻ in the fluorogypsum, the adjustment of the calcium-silicon ratio between the mineral powder and volcanic rock, and the combined effect of nanomaterials and chemical additives, the early and late-stage activity of the volcanic rock is significantly improved, and the water demand is reduced. The obtained admixture has a 7-day activity index ≥85%, a 28-day activity index ≥88%, and a water demand ratio ≤108%, and can directly replace traditional mineral powder and fly ash in concrete, solving the problem of the scarcity of high-quality admixtures in western regions, and has significant economic and social benefits.

The invention discloses phosphorous acid pentaerythritol ester dihydric alcohol as well as a preparation method and application thereof. The phosphorous acid pentaerythritol ester diol has a structure as shown in a formula (I): # imgabs0 #, in the formula (I), R1 is a C2-C18 straight chain alkyl group, a branched chain alkyl group, a cyclic alkyl group or an aryl group, or HO-R1-OH is polyether diol or polyester diol with the molecular weight of 200-1000g / mol. The flame retardant is introduced into polyurethane resin as a modifier, so that the resin material is endowed with excellent light aging resistance, hydrolysis resistance and flame retardance. In addition, the preparation process is simple, the equipment investment is low, the solid catalyst can be repeatedly used, and the production cost and the environmental burden are greatly reduced.

The present application discloses a catalyst for oxidative dehydrogenation and a method for preparing the same. More specifically, a catalyst for oxidative dehydrogenation of butene and a method for preparing the same are provided, wherein the catalyst has a high butene conversion rate and an excellent side reaction inhibition effect by preparing metal oxide nanoparticles and then fixing the prepared metal oxide nanoparticles on a carrier, thereby having high reactivity and high selectivity for products.

The invention relates to a sponge material modifier and a preparation method thereof, and relates to the technical field of modified materials, the sponge material modifier comprises the following components by mass: 60-80 parts of tackifying modified fluorosilicone resin, 10-20 parts of hydrophobic modified nano alumina, 3-5 parts of a leveling agent, and 80-100 parts of a solvent. The preparation method comprises the following steps: dispersing tackifying modified fluorosilicone resin, hydrophobic modified nano aluminum oxide and a flatting agent into a solvent, stirring and homogenizing to obtain the sponge material modifier. The modifier prepared by the invention can effectively improve the hydrophobic and oleophobic properties of the sponge, reduce the influence of a solvent on the sponge, and improve the stability, tensile property and compression resistance of the sponge.

The invention discloses a logistics sorting device based on artificial intelligence recognition, and relates to the technical field of logistics sorting, the logistics sorting device comprises a rack, two reinforcing columns are fixedly connected to the rack, and a first movable plate and a second movable plate are arranged on the front side and the rear side of each reinforcing column correspondingly; and a plurality of screw rod devices are mounted on the rack and the reinforcing column. According to the logistics sorting device based on artificial intelligence recognition, the driving rod and the T-shaped base are arranged; the small logistics pieces fall to the second base from the interval of the driving rod, the large logistics pieces fall to the third base and are conveyed into the rack through the first base, the large logistics pieces and the small logistics pieces are conveyed to the corresponding feeding supports through a second movable plate according to measurement of a weighing sensor, the size and weight of the logistics pieces are intelligently sorted, and the sorting efficiency is improved. The accuracy and the working efficiency of logistics piece sorting are improved, the labor intensity of workers is reduced, the workload and the cost of a sorting center are reduced, and the problem of violent sorting is solved.

The invention relates to a method and a device for regulating the speed of an autonomous vehicle, called ego vehicle, comprising an adaptive speed regulator, the method comprising the steps of activating (201) the adaptive speed regulator, receiving (202) information, called target information, related to the target vehicle, receiving (203) information, called ego vehicle information, related to the ego vehicle, determining (204) an inter-vehicle time, determining (205) a warning signal based on the target information and the ego vehicle information, determining (206) a replacement condition for replacing (207) a set acceleration of the speed regulator by a target acceleration.

The present application relates to the technical field of immunological detection, in particular to hepatitis B PreS1 antigen and its preparation method and application. The present application first selects an active PreS1 polypeptide sequence, which is coupled to a hepatitis B surface antigen HBsAg molecule through a crosslinking agent to obtain a hepatitis B PreS1 antigen having both hepatitis B surface antigen activity and PreS1 antigen activity, which can be used as a calibrator and positive control in a hepatitis B PreS1 antigen detection kit. The kit uses anti-PreS1 antibody as coating and anti-HBsAg antibody as enzyme label. The artificial coupled hepatitis B PreS1 antigen prepared by the present application can effectively replace the currently used PreS1 real positive sample on the market, has no biological safety risk, stable source, and various indexes such as reactivity, vehicle stability and thermal stability, which are all better than those of the real positive sample, and has high innovation and applicability.

This invention discloses a USY molecular sieve, its preparation method, and its applications. The USY molecular sieve has the following properties: mesoporous pore volume accounts for 35.0%–55.0% of the total pore volume of the molecular sieve, and the most probable pore size is 23–30 nm. When used as a hydrocracking catalyst, this USY molecular sieve exhibits better adsorption, diffusion, and shape selectivity, resulting in superior reaction performance.

The invention belongs to the technical field of veterinary biotechnology detection, and particularly relates to a monoclonal antibody for resisting duck adenovirus 3 type Fiber2 protein and application of the monoclonal antibody to detection or identification of duck adenovirus 3 type. The duck adenovirus 3 type Fiber2 protein is taken as an immunogen to screen a hybridoma cell strain with good reactivity to different strain whole viruses of the duck adenovirus 3 type, an antibody generated by the hybridoma cell strain is analyzed, the monoclonal antibody resisting the duck adenovirus 3 type Fiber2 protein is obtained, and the sequence information is shown in a table 3 in the specification. The monoclonal antibody provided by the invention can identify different strains of the duck adenovirus 3, does not generate cross reaction with other common poultry disease viruses such as fowl adenovirus, novel duck reovirus and the like, has good specificity and sensitivity, can be used for detecting the exogenous virus of the duck adenovirus 3 in poultry virus live vaccines, and has good application prospects. And the kit can also be used for clinical identification, virus content determination and epidemiological investigation of the duck adenovirus type 3.

This application discloses a method for converting C4-C5 isoalkanes. The method includes the following steps: in a reactor, a feedstock containing hydrogen and C4-C5 isoalkanes is contacted with a catalyst and reacted to obtain a product containing small-molecule hydrocarbons; the C4-C5 isoalkanes are selected from isobutane and / or isopentane; the small-molecule hydrocarbons are selected from at least one of ethane, propane, and n-butane; the catalyst is prepared by the following steps: (1) mixing molecular sieves, surfactants, and adhesives, and spheroidizing to obtain a catalyst precursor; (2) mixing the catalyst precursor with a mixture containing a metal element precursor, water, an additive, and boehmite, spheroidizing, drying, and calcining to obtain the catalyst.

The application belongs to the technical field of preparation of o-alkynyl aniline compounds, and particularly relates to a preparation method of an o-alkynyl aniline compound with an aggregation-induced emission property. The preparation method comprises the following steps: (1) under the catalysis of bis-triphenylphosphine palladium dichloride and cuprous iodide, 1,2-bis(4-bromophenyl)-1,2-stilbene is reacted with trimethylsilyl acetylene to prepare an intermediate crude product, and then the intermediate crude product is subjected to a trimethylsilyl group removal reaction to prepare 1,2-bis(4-ethynylphenyl)-1,2-diphenyl ethylene; (2) under the catalysis of bis-triphenylphosphine palladium dichloride and cuprous iodide, 1,2-bis(4-ethynylphenyl)-1,2-diphenyl ethylene is reacted with 2-iodoaniline to prepare an o-alkynyl aniline compound. The o-alkynyl aniline compound prepared by the application has a good aggregation-induced emission property.

The invention belongs to the technical field of nano material preparation, and discloses a catalyst for preparing synthesis gas through low-temperature methane catalytic partial oxidation and a preparation method of the catalyst. A catalyst for preparing synthesis gas through low-temperature methane catalytic partial oxidation comprises an active component and a carrier, the active component is a precious metal element, and the carrier is a cerium oxide-Lewis base mesoporous nanosphere synthesized through an HTLAD strategy; wherein the isolated monatomic sites are completely embedded into the mesoporous nanospheres. The separated monatomic sites exist in a stable N coordination form, so that breakage of C-H bonds in methane molecules is promoted, and methane catalytic partial oxidation can be carried out at a relatively low temperature. The prepared catalyst has good reaction performance and long service life, can catalyze partial oxidation of methane at the temperature lower than the current industrial reaction temperature, and reduces the reaction energy consumption.

The present application relates to polyphenyl ether material field, specifically to a kind of preparation method and application of vinyl benzyl polyphenyl ether, low molecular weight polyphenyl ether is obtained by redistribution reaction and double bond group is grafted on low molecular weight polyphenyl ether segment to obtain vinyl benzyl polyphenyl ether, make polyphenyl ether have reactivity, and reaction product is reacted with modified polyvinyl alcohol and phase transfer catalyst, can make residual vinyl benzyl halide in system and modified polyvinyl alcohol react, further purify vinyl benzyl polyphenyl ether.The preparation method of vinyl benzyl polyphenyl ether designed in the present application, not only can obtain excellent dielectric performance vinyl benzyl polyphenyl ether, but also can remove by-product salt, halogen compound and halide ion, and processing process is simple, low in cost.

The invention belongs to the technical field of reverse osmosis membranes, and particularly relates to a preparation method of an ultra-low-pressure high-flux reverse osmosis membrane, which comprises the following steps: introducing a PEG derivative containing a succinimide ester function in the process of preparing a polysulfone base membrane, and preparing the base membrane with reaction activity by an immersion precipitation phase inversion method; then immersing the base membrane with reaction activity into a water-phase solution, reacting N-hydroxysuccinimide ester with a water-phase monomer binary primary amine to produce an amido bond, and then carrying out interfacial polymerization reaction with a polyacyl chloride oil-phase monomer to prepare a polyamide functional layer, so that the polyamide functional layer is connected with the base membrane through a chemical bond, thereby effectively preventing the polyamide layer from falling off; meanwhile, polyethylene glycol is embedded between the base membrane and the functional layer, so that the desalination rate of the reverse osmosis membrane is improved. The method is easy to operate and simple in control condition, and the prepared reverse osmosis membrane is low in operation pressure, high in flux and excellent in desalination rate.

Provided are a novel silylcyclodisilazane compound, a composition for depositing a silicon-containing film comprising the compound, and a method for manufacturing a silicon-containing film using the same. Since the silylcyclodisilazane compound of the present invention has high reactivity, thermal stability and high volatility, it can be used as a silicon-containing precursor to manufacture high-quality silicon-containing films by various deposition methods.

The invention discloses a new-generation pincer-type ruthenium complex, a photosensitive function integrated crystalline framework catalytic material and a preparation method and application thereof.The pincer-type ruthenium complex with the structure shown in the formula I and the longer fluorescence lifetime is introduced into an MOF framework, and the photosensitive function integrated crystalline framework catalytic material LCNC-Zr is assembled; the method has an obvious effect on photocatalytic reduction of CO2 into CO, and the optimal reaction rate for preparing CO can reach 1570 [mu] mol g <-1 > h <-1 >; the preparation method of the ligand and photosensitive function integrated crystalline framework catalytic material is mature, does not need harsh reaction conditions and complex processes, and can be used for large-scale preparation.

This invention relates to the field of tape technology, specifically to an ultra-thin green PET pressure-sensitive adhesive tape with a high gyrometric coating reinforcement. The tape comprises a green PET substrate with a thickness ≤12μm and a primer reinforcement layer and a pressure-sensitive adhesive layer sequentially arranged therefrom. The primer reinforcement layer consists of an anchoring primer layer, an intermediate primer layer, a borate ester dynamic covalent pre-organized layer, an iron-citric acid slow-release coordination layer, a free trivalent iron locking layer, and a pH recovery and shaping layer. Through multi-layer synergistic action, it maintains high surface energy for a long time, significantly improving the interfacial bonding strength with water-based pressure-sensitive adhesives, resistance to damp heat aging, and resistance to die-cutting edge warping, while maintaining the flexibility of the substrate, making it suitable for the field of precision electronic assembly.

The invention relates to the technical field of catalyst preparation processes, in particular to a catalyst for preparing ethylbenzene by dehydrogenation of butadiene dimer, and a preparation method and application of the catalyst. Aiming at the defects in the prior art, the invention aims to improve the concentration of high-activity hydroxyl groups on the surface of a catalyst carrier, a layer of nano anatase tin type TiO2 is coated on the surface of Al2O3, and the anatase tin type TiO2 can generate high-activity hydroxyl groups under the irradiation of ultraviolet light. Meanwhile, the auxiliary Sn is added into the Pt-based catalyst, so that defect sites on the surface of active metal Pt can be modified, the dispersity of Pt can be improved, adsorption to an ethylbenzene product can be reduced, generation of byproducts can be inhibited, and the purpose of improving the activity and selectivity of the catalyst can be achieved. The catalyst has good reaction performance, under the condition that the reaction temperature is 303-335 DEG C, the conversion rate of butadiene dimer is larger than 90%, the ethylbenzene selectivity is larger than 92%, and the catalyst has good industrial application prospects.

The present application relates to the field of road engineering, and specifically discloses a dry SBS modified asphalt mixture and a preparation method thereof, wherein the asphalt mixture is prepared by mixing raw materials including base asphalt, modifier and aggregate, wherein the modifier includes the following raw materials: SBS powder, solubilizer, stabilizer, rubber powder and modified nano-silica, wherein the modified nano-silica is prepared by PAMAM, 2,4-fluoro-3-hydroxybenzoic acid and carbodiimide hydrochloride and thioctic acid modified nano-silica; and its preparation method includes the following steps: uniformly mixing SBS powder, solubilizer, stabilizer, cross-linking agent, cross-linking accelerator, rubber powder and modified nano-silica to obtain the modifier; mixing the modifier with the aggregate, adding the heated base asphalt and mixing. The present application has the characteristics of solving the problems of segregation and reduction of product performance of modified asphalt during transportation and storage, and realizing the characteristics of SBS dry modified asphalt to improve the high and low temperature performance of asphalt mixture.

The application relates to a preparation method of a high-friction-coefficient rubber roller composite material, and relates to a rubber roller material preparation method. 4-allyl-2-methoxy phenol and furfural are used as starting materials, an allyl phenolic aldehyde resin containing an unsaturated carbon-carbon double bond is prepared through a condensation reaction, then an allyl phenolic aldehyde resin containing an alcohol hydroxyl group is obtained under the action of an organic lithium catalyst, and finally the allyl phenolic aldehyde resin containing the alcohol hydroxyl group is crosslinked with N,N-methylene bisacrylamide crosslinking agent through reverse-phase suspension polymerization to prepare rigid nanoparticle microspheres. The obtained nanometer microspheres contain a large number of alcohol hydroxyl groups which can react with isocyanate groups, the rigid particles are added into a liquid rubber roller mixture containing polyhydric alcohol, isocyanate and a small-molecule chain extender, and a high-friction-coefficient polyurethane rubber roller can be obtained, and the application has a wide application prospect.

The application relates to the field of advanced petrochemical chemical new material technologies, and particularly discloses a high-temperature-resistant powder coating and a preparation method thereof. The preparation raw materials of the high-temperature-resistant powder coating include organic silicon resin, polyester resin, isocyanuric acid triglycidyl ester curing agent, high-temperature-resistant additive, leveling agent and degassing agent. The preparation raw materials of the high-temperature-resistant additive include mixed filler, amino silane and polyethylene glycol intermediate, and the mass ratio of the mixed filler, the amino silane and the polyethylene glycol intermediate is (400-550):(20-30):(100-200). The high-temperature-resistant additive effectively improves the high-temperature resistance and mechanical properties of the powder coating.