31results about How to "Simple and fast manufacturing method" patented technology

The invention provides a sodium-ion battery positive electrode material and a preparation method thereof, a sodium-ion battery and electric equipment, and relates to the field of sodium-ion batteries. The positive electrode material of the sodium ion battery provided by the invention comprises an inner core and a shell, wherein the shell covers the inner core; the chemical formula of the inner core is NaaNixFeyMnzM1-x-y-zO2, wherein a is more than or equal to 0.9 and less than or equal to 1.05, x is more than 0 and less than 1.0, y is more than 0 and less than 1.0, z is more than 0 and less than 1.0, and 1-x-y-z is more than 0 and less than 1; the chemical formula of the shell is NaLarCa1-rO2, wherein r is more than 0 and less than 1; in the inner core, the element M comprises one or more of Al, Mg, Ti, Zr, Y, La, Ca, Zn, Cu, W, Li and B. The sodium-ion battery positive electrode material provided by the invention can reduce residual alkali on the surfaces of particles, can inhibit side reaction with an electrolyte, and improves the performance stability of the positive electrode material.

The invention discloses a liquid metal flexible circuit manufacturing method based on a paper-based seal, and belongs to the field of intelligent manufacturing. Firstly, a hollowed-out mask of a circuit pattern is carved on adhesive sticker printing paper, the hollowed-out paper-based mask is pasted to a transparent adhesive film, the paper-based seal of a hollowed-out structure is manufactured, and the adhesive sticker printing paper is composed of an upper layer surface material, a middle adhesive layer and lower layer release paper; secondly, liquid metal is evenly squeezed into a groove formed in the hollowed-out position of the paper-based seal; thirdly, the upper-layer surface material is torn off, the lower-layer release paper of the paper-based seal is attached to the flexible substrate, then the remaining paper-based seal is torn off, and a liquid metal circuit pattern on the flexible substrate is obtained; and finally, uniformly spraying a protective coating on the surface to obtain the liquid metal flexible circuit. The thickness of the manufactured liquid metal flexible circuit is only less than 30 microns, and flow migration caused by the too thick liquid metal layer can be effectively prevented; the manufacturing method is simple, convenient and rapid, and has a wide application prospect in the field of manufacturing of flexible wearable equipment.

The invention relates to the technical field of elastic materials and refrigerator door sealing strips, in particular to a plant-based thermoplastic elastomer material and a preparation method and application thereof. The plant-based thermoplastic elastomer material contains a chlorinated polyethylene material, a polyethylene material, polyvinyl chloride, a plasticizer, a stabilizer, a lubricant, an antibacterial and mildew-proof agent, plant powder and a coupling and dispersing compatilizer. Wherein the plasticizer is a plant-based plasticizer; the particle size of the plant powder is 12-20 [mu] m. According to the plant-based thermoplastic elastomer material, the elastomer chlorinated polyethylene (CPE) is adopted as a main material, application of a traditional plasticizer is avoided, the low-odor plant-based plasticizer is adopted, odor is reduced, meanwhile, plant powder with plant faint scent is applied as filler, the hardness needed by the refrigerator sealing strip material can meet the sealing effect of a refrigerator, and the service life of the refrigerator is prolonged. And the problem of peculiar smell during door opening of the refrigerator is solved, the low-temperature performance is improved, and the method can be better applied to the field of manufacturing industry needing low-temperature sealing.

The invention discloses a functional monomer based on chitosan oligosaccharide imine derivatives as well as a preparation method and application thereof, chitosan oligosaccharide (COS) and 4-allyloxybenzaldehyde (4-AB) are taken as raw materials,-NH2 of COS and-CHO of 4-AB are subjected to condensation reaction through Schiff base reaction, and the chitosan oligosaccharide imine derivatives are successfully prepared. The structure of a target derivative is characterized by adopting an infrared spectrum, a high-resolution mass spectrum and a carbon nuclear magnetic resonance spectrum, and the target derivative is used as a novel functional monomer to be applied to preparation of molecularly imprinted polymers (MIPs); the synthesis method disclosed by the invention has the advantages of rapidness, simplicity, no need of filtration and dialysis, mild reaction conditions, low cost, high yield and the like, and the synthesized chitosan oligosaccharide imine derivative (COS / 4-AB = 1: 2, mmol / mmol) can be used as a novel molecular imprinting functional monomer and is expected to play an important application value in the aspects of MIPs preparation and the like.

The invention discloses a superfine medium-entropy nanoparticle catalyst for electrochemical oxidation of ethylene glycol and other micromolecules as well as a preparation method and application of the superfine medium-entropy nanoparticle catalyst. The catalyst comprises a superfine medium-entropy nano-particle metal material and a conductive substrate material, the superfine medium-entropy nano-particle metal material comprises copper metal and at least two precious metals, and the catalyst has outstanding catalytic ability. The preparation method of the catalyst is simple and convenient, and only the superfine medium-entropy nanoparticle metal material needs to be synthesized through a solvothermal method and is loaded on the conductive substrate material; the temperature of the whole synthesis process is lower than 200 DEG C, so that the problems of high cost, high energy consumption, poor stability, large potential safety hazard and the like in the traditional synthesis method are solved. The superfine medium-entropy nanoparticle catalyst prepared by the invention shows excellent performance in oxidation of micromolecules such as electro-catalysis ethylene glycol and the like. By taking ethylene glycol electrooxidation as an example, the Pb-CuPtPd MEANs-C can efficiently and stably convert ethylene glycol into glycollic acid, the mass activity of the Pb-CuPtPd MEANs-C under 0.9 V vs.RHE reaches up to 14 A mg <-1 > PtPd, and the Faraday efficiency (FEGA) of glycollic acid production is 82.3%.

The present invention provides a super corrosion resistant high entropy alloy and a preparation method, and relates to the technical field of high entropy alloys. The super corrosion resistant high entropy alloy comprises Ti, Zr, Nb, Ta, Hf, Mo, and Cr, wherein at least two of the three elements Ti, Nb, and Ta, and any combination of Zr, Mo, Hf, and Cr. The preparation method prepares the super corrosion resistant high entropy alloy by pretreatment, smelting, and molding. The present invention utilizes smelting of a variety of pure metal elements to form button ingots, and then utilizes cooling circulating water to cool the copper mold to suck-cast the alloy. The prepared material can form a dense passivation film to protect the matrix in a harsh corrosive environment; and the prepared super corrosion resistant high entropy alloy has excellent and stable mechanical properties and super corrosion resistance as a whole, and the production and preparation methods of the connector are simple and convenient, so it is conducive to large-scale industrial promotion and production practice.

The present invention provides an atomic-level flat device with a microstructure, which comprises, from bottom to top, a substrate, a bonding material, a second dielectric layer located on the substrate, a microstructure, and a first dielectric layer, wherein the surface of the first dielectric layer is an atomic-level smooth surface. The present invention also provides a method for preparing the atomic-level flat device with a microstructure, which can effectively avoid pits or burrs generated in the existing microstructure processing process.

The present invention discloses a preparation method and application of a MXene-poly eutectic-based conductive elastomer, comprising the following steps: preparing a clear, transparent, and performance-adjustable polymerizable eutectic solvent ternary system by a "one-pot method" by mixing a hydrogen bond acceptor choline chloride with a hydrogen bond donor acrylic acid and acrylamide; further adding a two-dimensional monolayer Ti3C2T x The nanosheets obtain a prepolymer solution of a multi-hydrogen bond network, and finally, under ultraviolet light initiation conditions, in-situ photopolymerization is performed to obtain a MXene / poly eutectic self-healing conductive elastomer. The preparation process of the present invention is simple, efficient, and green, and reduces the production cost of the material and the complexity of the process technology. The present invention improves the conductivity and strain sensitivity of the elastomer, enriches the hydrogen bond network composition in the conductive elastomer, and ensures the room temperature self-healing properties of the conductive elastomer. The conductive elastomer prepared by the present invention can be used for strain sensing detection for monitoring different human activities.

The application provides a method for simultaneously synthesizing thioether compounds and nitrile compounds, and belongs to the technical field of organic synthesis; the thioamide compound, fluoride and acetonitrile are mixed, then a phenylacetylene precursor is added, so that the thioether compound and the nitrile compound are simultaneously synthesized at room temperature; the method is simple and fast, does not need transition metal catalysis, has a wide substrate range, the fluoride source used is cheap and easy to obtain, and does not cause environmental pollution; the method has the advantages of simple process, mild reaction condition, good universality and the like, and the yield of the synthesized thioether compound and nitrile compound is very high, the thioether compound and the nitrile compound can reach 98% at most, and has extremely high industrial popularization value.

The invention discloses a high-rate sodium-ion battery positive electrode material and a preparation method thereof, and belongs to the technical field of sodium-ion battery electrodes. Aiming at the problem that the capacity and the cycle performance of the current sodium ferric sulfate material under high magnification are still not ideal enough, ferrous sulfate heptahydrate is roasted in an inert atmosphere to obtain anhydrous ferrous sulfate. Anhydrous FeSO4, anhydrous Na2SO4, anhydrous MgSO4 and / or anhydrous CaSO4 and the flash graphene are subjected to ball-milling mixing reaction according to a certain mass ratio, and a roasting precursor is obtained. And sintering in a rotary tube furnace protected by inert atmosphere to obtain the single-crystal magnesium ferric sulfate (and / or calcium) sodium composite positive electrode material. Mg and / or Ca elements are doped and introduced, so that a crystal structure of a sodium ferric sulfate crystal is distorted to a certain extent, the delocalization capability of outer layer electrons of Fe atoms is improved, meanwhile, the forbidden bandwidth of sodium ferric sulfate is reduced, and the conductivity of the material is obviously improved. The rate characteristic of the sodium ferric sulfate positive electrode material is greatly improved, and the method is particularly suitable for being applied to the field of large-scale energy storage.

This invention belongs to the field of feed technology, specifically relating to a beef cattle feed containing Artemisia annua and its preparation method. Artemisia annua is added to an acetic acid aqueous solution, boiled at a specified temperature for a specified time, filtered, and cooled. The cooled Artemisia annua is then mixed with forage to obtain the beef cattle feed containing Artemisia annua. The preparation method of this application is simple and convenient, greatly improving the palatability of Artemisia annua and effectively increasing its utilization rate. Furthermore, experiments have shown that feeding cattle with the beef cattle feed prepared in this application as roughage does not adversely affect their growth and development; the average weight gain of cattle is the same as that fed with ordinary roughage. Moreover, the beef cattle feed of this application can reduce the incidence of foot-and-mouth disease in cattle, helping them resist the disease.

The invention relates to the technical field of catalyst preparation, and discloses a preparation method of a high-dispersion copper-based catalyst and application of the high-dispersion copper-based catalyst in preparation of CHDM, the preparation method comprises the following steps: (1) adding a copper salt, a manganese salt, an aluminum salt and a rare earth metal salt into water, and dissolving to obtain a mixed salt solution; sodium hydroxide and sodium carbonate are added into water to be dissolved, and a mixed alkali solution is obtained; (2) reacting the mixed salt solution and the mixed alkali solution in a micro-liquid membrane reactor, after the reaction is completed, carrying out crystallization reaction on the obtained suspension, and then centrifuging and drying to obtain a quaternary hydrotalcite precursor; and (3) roasting and reducing the quaternary hydrotalcite precursor to obtain the copper-based catalyst. According to the copper-based catalyst, Cu nanoparticles are highly dispersed on the surface of a composite metal oxide, the copper-based catalyst is applied to 1, 4-cyclohexanedicarboxylic acid dimethyl ester reaction hydrogenation for preparing 1, 4-cyclohexanedimethanol, excellent catalytic activity and stability are shown, and CHDM has a high trans-cis ratio.

The invention discloses a method for preparing a gallium-doped hollow ZSM-5 molecular sieve through microwaves and application of the gallium-doped hollow ZSM-5 molecular sieve, and relates to the technical field of molecular sieve catalyst preparation. The preparation method comprises the following steps: mixing a silicon source, a template agent and deionized water, stirring to prepare a precursor, transferring the precursor into a digestion tank, carrying out microwave hydrothermal treatment, and roasting in a muffle furnace to remove the template agent to obtain a pure silicon molecular sieve; the method comprises the following steps: taking a pure silicon molecular sieve, adding an aluminum source, a template agent and deionized water, carrying out ultrasonic treatment, transferring into a digestion tank, carrying out microwave hydrothermal and dissolution-recrystallization, and roasting the obtained product in a muffle furnace to remove the template agent so as to obtain a hollow ZSM-5 molecular sieve; the method comprises the following steps: taking a hollow ZSM-5 molecular sieve, adding gallium nitrate and deionized water, carrying out ultrasonic treatment, transferring into a digestion tank, and carrying out gallium doping under microwave irradiation; and putting the dried product into a tubular furnace, and carrying out heat preservation in an argon atmosphere at 200-300 DEG C to obtain the gallium-doped hollow ZSM-5 molecular sieve. The microwave hydrothermal process and the dissolution-recrystallization process are combined, so that the preparation time of the hollow ZSM-5 molecular sieve is effectively shortened, and the energy consumption is reduced.

This invention provides a biological filter media ceramic particle for removing perchlorate from water and its preparation method. The preparation method of the biological filter media ceramic particle of this invention includes mixing the filter media ceramic particle with an iron modifier and performing a shaking treatment to obtain iron-modified biological filter media ceramic particle. The iron modifier impregnation of the biological filter media ceramic particle ensures sufficient contact between iron ions and the biological filter media ceramic particle, thereby loading the iron ions onto the biological filter media ceramic particle. The modified biological filter media ceramic particle can remove phosphorus, ammonia nitrogen, and COD, and also enhances the adsorption capacity of the biological filter media ceramic particle for perchlorate, which can significantly improve the removal efficiency of the biological filter media ceramic particle for perchlorate.

The present application relates to a kind of polybenzidine nanofiber and its preparation method, the polybenzidine nanofiber length is 43~67 μm, and the length-diameter ratio is 120~256.Its preparation method is as follows: benzidine is dissolved in solvent, when the system pH value is 3~6, benzidine and hydrogen peroxide occur oxidation polymerization reaction under the catalysis of divalent copper salt to obtain polybenzidine nanofiber.The polybenzidine nanofiber provided by the present application morphology is regular and controllable and has high length-diameter ratio, and conductivity is high, as a kind of semiconductor high polymer material has potential application prospect in battery, supercapacitor.

The invention discloses an oral biomimetic mineralized oncolytic adenovirus, a preparation method thereof and an application of the oral biomimetic mineralized oncolytic adenovirus in preparation of antitumor drugs. The preparation method comprises the following steps: 1) culturing homologous tumor cells; 2) preparing a membrane extraction buffer solution; 3) preparing a homologous tumor cell membrane; 4) preparing the homologous tumor cell membrane coated oncolytic adenovirus particles; 5) preparing a suspension; (6) centrifuging the suspension; removing supernatant to obtain precipitate; (7) adding absolute ethyl alcohol into the precipitate, resuspending, and centrifuging; supernate is removed; and 8) repeating the step 7) to obtain the oral biomimetic mineralized oncolytic adenovirus. The mineralized shell of the product can help the oncolytic adenovirus to still have complete activity when the oncolytic adenovirus reaches the intestinal tract after oral administration, the oncolytic adenovirus is wrapped by a homologous tumor cell membrane, the tumor targeting property of the oncolytic adenovirus is improved, the anti-tumor effect of the oncolytic adenovirus is enhanced, and experiments prove that the product has a good application prospect. The oral biomimetic mineralized oncolytic adenovirus disclosed by the invention has an inhibition effect on human pancreatic cancer cells and human colon cancer cells.

The invention belongs to the technical field of gas sensors, and provides a carbon quantum dot modified zinc oxide gas sensor and a preparation method thereof. The carbon quantum dot modified zinc oxide gas sensor comprises a substrate with a wrinkle structure, a gas sensitive unit and a packaging cavity, the gas sensitive unit comprises a zinc oxide nanowire array and carbon quantum dots modified on the surface of the zinc oxide nanowire array. In the sensor disclosed by the invention, the gas sensing unit growing on the surface of the substrate with the wrinkle structure can increase the gas contact area, and the carbon quantum dots modified on the surface of the zinc oxide nanowire array are used for enhancing the gas adsorption effect, so that the purposes of improving the sensitivity and the selectivity and reducing the detection temperature are achieved; the method can be used for high-sensitivity acetone gas detection.

The invention provides a method for preparing porous polyaniline / polylactic acid conductive fiber, comprising the following steps: (1) preparing polyaniline / polylactic acid nanofibers: grinding and mixing polyaniline and camphorsulfonic acid in a ratio of 0.8 / 1-1.2 / 1, then dissolving the ground sample in a hexafluoroisopropanol solvent to prepare a 10-20 mg / mL solution, stirring thoroughly and filtering using a polytetrafluoroethylene filter membrane with a pore size of 0.22-0.45 μm, adding polylactic acid in a ratio of 80-120 mg / mL to the filtered polyaniline / camphorsulfonic acid / hexafluoroisopropanol solution and stirring thoroughly, electrospinning the precursor solution to obtain a polyaniline / polylactic acid nanofiber membrane; and (2) preparing a porous structure of polyaniline / polylactic acid fiber: immersing the polyaniline / polylactic acid nanofiber membrane prepared by electrospinning in an acetone / ethanol blended solvent to obtain a polyaniline / polylactic acid nanofiber with a porous structure. The present invention utilizes volatile solvent to soak fibers to form holes, and removes the solvent by solvent volatilization, without any excess components remaining.

The invention discloses a double-crosslinking high-strength poly-eutectic fluorescent self-repairing conductive elastomer and also discloses a preparation method of the conductive elastomer, and the preparation method comprises the following steps: mixing choline chloride and acrylic acid, and then heating and stirring the mixture at 60-70 DEG C for 15-30 minutes to obtain a polymerizable eutectic solvent DES; the preparation method comprises the following steps: preparing cysteine modified graphene quantum dots (Cys-GQDs) from citric acid and cysteine; the preparation method comprises the following steps: adding Cys-GQDs and a photoinitiator into DES, and heating and stirring at 60-70 DEG C for 0.5-1 hour to obtain a prepolymer solution; and casting the prepolymer solution on a horizontal glass plate, and carrying out in-situ polymerization through ultraviolet irradiation to obtain the conductive elastomer. The conductive elastomer provided by the invention solves the problems that the tensile strength is insufficient and the fluorescence property needs to be further improved in the existing poly-eutectic conductive elastomer material.

The invention discloses a bacterial source antibacterial protein as well as a preparation method and application thereof. The invention provides an antibacterial protein. The antibacterial protein is prepared by heterologous expression of a bacillus velezensis mrsM gene or protein. The recombinant protein prepared by cloning a bacterial-derived mrsM gene and carrying out heterologous expression in escherichia coli has good antibacterial activity, can inhibit enterobacter aerogenes, also has good stability, can tolerate ultraviolet radiation, has good antibacterial activity at pH of 4-6.5 and below 60 DEG C, and can be used for preparing the recombinant protein for treating the enterobacter aerogenes in the field of animal husbandry, animal husbandry, animal husbandry, animal husbandry, animal husbandry, animal husbandry, animal husbandry, animal husbandry, animal husbandry, animal husbandry and animal husbandry. And the product is not sensitive to papain, trypsin and protease K. Meanwhile, the invention provides a preparation method of the novel antibacterial protein, the preparation method is simple, the source is wide and safe, the antibacterial protein prepared from a bacterial source is provided for prevention and treatment of existing pathogenic edible bacteria, the use safety is better than that of antibiotics, generation of bacterial drug resistance is avoided, and more effective methods and means are provided for prevention and treatment of enterobacter aerogenes.

The invention relates to the technical field of catalysts, in particular to an electrolytic water dehydrogenation catalyst and a preparation method and application thereof. The preparation method of the electrolytic water dehydrogenation catalyst comprises the following steps: mixing a platinum source, a carrier material and a reducing agent to obtain a platinum-containing precursor solution, and carrying out first heating reduction treatment on the platinum-containing precursor solution to obtain a platinum nanoparticle-loaded carrier material; and mixing the platinum nanoparticle-loaded carrier material, an iridium source and a reducing agent to obtain a blended solution, carrying out second heating reduction treatment on the blended solution, and loading iridium nanoparticles on the surfaces of the platinum nanoparticles of the carrier material to obtain the electrolytic water dehydrogenation catalyst. The catalyst obtained by the preparation method and the dehydrogenation layer comprising the catalyst have hydroxide activity and oxygen evolution reaction activity, the utilization rate of the catalyst is high, and the preparation method is simple, convenient and rapid, does not need large instruments and equipment and complex processes, and is beneficial to large-scale industrial application.

The invention discloses a composite material as well as a preparation method and application thereof. The composite material comprises a core, a shell layer and a satellite body, the material of the core comprises an organic matter slow-release material; the material of the shell layer comprises a porous mineral material loaded with an electron shuttle, and the shell layer coats the core; the material of the satellite body comprises a Fe3O4 and iron reducing bacteria compound; and the satellite body is adsorbed on the surface of the shell layer. The composite material provided by the invention realizes integration of positioning, activation and slow release, can be actively anchored on the surface of a soil mineral needing to be activated, can accurately activate the soil mineral in situ and maintain the continuity of an iron reduction process, and releases fixed nutritional ingredients in soil.

The invention belongs to the technical field of catalysts, and discloses a Co-B catalyst and a preparation method and application thereof. The cobalt boride catalyst is prepared by adopting a chemical reduction method, and the method comprises the following steps: dissolving a cobalt compound in water or ethylene glycol or a mixed solution consisting of water and ethylene glycol, and heating to a certain temperature to obtain a solution A; dissolving NaBH4 and NaOH in water or ethylene glycol or a mixed solution composed of water and ethylene glycol to obtain a solution B; under the stirring condition, dropwise adding the solution B into the solution A for reaction, and centrifuging, washing, drying and passivating the obtained product to obtain the Co-B catalyst. The preparation method is simple and convenient, the Co-B catalyst for catalyzing hydrolysis of NaBH4 to produce hydrogen is synthesized through a one-step chemical reduction method, the catalyst has a large pore diameter and a large specific surface area and shows good catalytic efficiency, and the release rate of catalyzing hydrolysis of NaBH4 at 45 DEG C is 2659.8 mL min <-1 > g <-1 >.

The invention belongs to the technical field of animal husbandry medicines, and particularly relates to a wormwood extract, a preparation method and application of the wormwood extract in preparation of a medicine for preventing foot-and-mouth disease of beef cattle. The method specifically comprises the following steps: adding artemisia desertorum into an acetic acid aqueous solution, boiling at 60-100 DEG C for specified time, filtering and cooling; and adding the cooled artemisia desertorum into an ethanol solution, soaking for a second time at room temperature, and carrying out material-liquid separation to obtain a leaching solution, namely the artemisia desertorum extract. The wormwood extract can prevent cattle from being infected with the foot-and-mouth disease, in the high-incidence period of foot-and-mouth disease infection, the morbidity of cattle taking the wormwood extract is only 10%, the morbidity is reduced by 10% compared with that of cattle taking common diet (the morbidity is 20%), the foot-and-mouth disease of cattle is effectively prevented, and no adverse effect is generated on growth and development of the cattle. In addition, the wormwood is wide in source and low in cost, and the preparation method is simple, convenient and suitable for large-scale breeding and popularization.

This invention relates to a polyimide-doped silver nanowire polarizer and its preparation method, comprising: providing a polyimide solution-dispersed silver nanowire ink; starting a casting machine, coating the polyimide solution-dispersed silver nanowire ink onto a stainless steel strip of the casting machine, and drying it at a first temperature to obtain a polyimide-doped silver nanowire cast film; placing the polyimide-doped silver nanowire cast film in a heating and stretching device, and unidirectionally stretching it to 2-4 times its original size at a second temperature to obtain a polyimide-doped silver nanowire stretched film; placing the polyimide-doped silver nanowire stretched film in a tunnel-type imidization baking oven, and baking and curing it at a third temperature before winding it up to obtain a polyimide-doped silver nanowire polarizer. This method not only achieves large-area thin-film and ultra-thin production of metal wire grid polarizers, but also enables the use of thin-film polarizers in high-temperature polarizing devices. The process is simple and easy to industrialize.

The invention discloses a carbon film current collector and a preparation method and application thereof, which belong to the technical field of aqueous ion batteries, wherein the carbon film current collector comprises graphene oxide and tetraethyl titanate; the mass ratio of graphene oxide to tetraethyl titanate is 1:(0.01-0.1). The carbon film current collector provided by the invention is cross-linked with tetraethyl titanate and graphene oxide, and a carbon film current collector with stable structure, good electrical conductivity and high mechanical strength is obtained by controlling the mass ratio of the two materials. Meanwhile, the preparation method of the carbon film current collector is simple and convenient, low in cost, and green and environmentally friendly. Positive and negative active materials are coated on the carbon film current collector, and the assembled aqueous ion battery has the advantages of good cycle stability and excellent electrochemical performance, and has broad application prospects.

The invention discloses an iron-based denitration catalyst, which is a supported Fe2O3 denitration catalyst prepared by taking a KIT-6 mesoporous material as a carrier, and the KIT-6 mesoporous material is prepared by the following method: dissolving a polyethylene oxide-polypropylene oxide-polyethylene oxide triblock copolymer in deionized water, adding concentrated hydrochloric acid and n-butyl alcohol, and stirring at 35 DEG C to form a transparent solution; then slowly dropwise adding tetraethyl orthosilicate under violent stirring, stirring and hydrolyzing for 24 hours at 35 DEG C, transferring the obtained suspension into a hydrothermal kettle, aging for 24 hours at 130-150 DEG C, filtering the obtained precipitate, washing with deionized water and absolute ethyl alcohol to obtain a white solid, and roasting for 5 hours in flowing air at 550 DEG C at the heating rate of 1 DEG C / min in a muffle furnace to obtain the product. The pore size of KIT-6 is adjusted by controlling the hydrothermal reaction temperature, and the catalyst prepared by taking KIT-6 as a carrier shows excellent denitration performance.

The invention discloses a chicken peptide protein reactant capable of preventing or relieving alcoholic liver injury as well as a synthetic peptide and an application of the chicken peptide protein reactant. According to the preparation method, protease and tryptophan are added into the chicken enzymolysis product, and enzyme deactivation is performed after proteoid reaction, so that the prepared chicken peptide proteoid reactant has relatively good ADH stable activity and antioxidant activity, and the ADH stable activity and the antioxidant activity are remarkably improved compared with those of the chicken enzymolysis product CP; meanwhile, the digestion stability of the chicken peptide is also improved, and the chicken peptide has a better effect of preventing and treating the alcoholic liver injury. The peptide fragment is further analyzed by mass spectrometry, and six synthetic peptides which are identified and synthesized from chicken peptide protein reactants also have better ADH stable activity and antioxidant activity. More sources and options are provided for protein polypeptide substances with ADH activity and antioxidant activity, the preparation method is simple, convenient and rapid, reaction conditions are mild, and the protein polypeptide can be better used for preparing products for preventing and treating alcoholic liver injury.

This invention discloses a cell membrane-targeted H2S two-photon fluorescent probe, its preparation method, and its applications. This probe not only possesses excellent optical properties such as near-infrared fluorescence emission at 650 nm, a large Stokes shift of 140 nm, and two-photon excitation characteristics, exhibiting advantages such as low excitation-emission light scattering, low tissue absorption, and strong penetration, but also demonstrates excellent analytical and detection performance. Its pyridinium and sulfonic acid groups prevent it from entering the cell interior, allowing it to adhere only to the cell membrane surface, thus endowing the probe with excellent cell membrane localization capabilities. The probe uses a 2,4-dinitrobenzenesulfonyl group as both the H2S recognition group and a fluorescence quencher. Because the 2,4-dinitrobenzenesulfonyl group is adjacent to the pyridinium group, it is located on the outer surface of the cell membrane, enabling two-photon fluorescence imaging of H2S released transmembrane from cells.

The application discloses an anti-hydrolysis functional additive, a preparation method thereof and application of the additive in a solid-state electrolyte. The preparation method comprises the following steps: adding fluorobenzenacetic acid and metal hydroxide into a mixed solution of ethanol and water, and heating, stirring and drying to obtain the anti-hydrolysis functional additive. The anti-hydrolysis functional additive prepared by the application has the characteristics of stability in air, and the additive can be oxidized and reduced into a film in a lithium metal battery, so that the interface compatibility of the positive / negative electrode and the solid-state electrolyte in the all-solid-state lithium metal battery can be greatly improved. When the functional additive is used in a polymer-based solid-state electrolyte, the assembled all-solid-state battery has double-interface stability and exhibits high rate capacity and good cycle performance.