110results about How to "Abundant raw materials" patented technology

The invention provides a method for regenerating alkali lignin into a sodium-ion battery negative electrode material, which comprises the following steps: carrying out heat treatment on alkali lignin to obtain alkali lignin biochar; adding the alkali lignin biochar into a metal ion-containing aqueous solution containing Cd < 2 + > and Zn < 2 + >, and adsorbing Cd < 2 + > and Zn < 2 + > in the metal ion-containing aqueous solution by using the alkali lignin biochar to obtain alkali lignin biochar adsorbed with heavy metals; and placing the alkali lignin biochar adsorbed with the heavy metals and a sulfur source in a furnace body, introducing inert gas into the furnace body to maintain the inert atmosphere in the furnace body, and sintering to obtain the sodium ion battery negative electrode material Cd and Zn-loaded sulfide of the alkali lignin biochar, the gas flow direction of the inert gas is from the sulfur source to the alkali lignin biochar. The sodium-ion battery negative electrode material regenerated by the method has good electrochemical performance and good application prospect; and the method can realize resource utilization of the alkali lignin, and the required raw materials are rich, the sintering temperature is low, and the required energy consumption is low, so that the regeneration cost is low, and wide application can be realized.

The invention belongs to the field of materials, and relates to a silica brick and a preparation method thereof. According to the invention, calcium nitrate tetrahydrate and ferrous nitrate are taken as mineralizing agents, CaO and FeO which are high in activity and are uniformly distributed are provided for the silica brick in the sintering process, and the problems that the mineralizing agents are difficult to uniformly disperse and Fe < 2 + > is easy to oxidize when lime milk and iron scale are taken as the mineralizing agents in the existing silica brick preparation technology, so that the utilization efficiency of the mineralizing agents is low are solved. According to the invention, mineralizer reduction and firing temperature reduction are realized by improving the use efficiency of the mineralizer, and the amorphous phase content in the finished product of the silica brick is obviously reduced on the premise of not reducing the content of phosphorus quartz. The preparation method is simple, the raw materials are rich, the cost performance is excellent, the sintering process is easy to control, the preparation method is suitable for industrial production of large silica bricks, and the finished product bricks are excellent in performance and high in percent of pass.

The invention is suitable for the technical field of OER catalysts, and provides a preparation method of a nanowire array composed of a ferrocobalt-based heterostructure, and the preparation method comprises the following steps: pretreating a foamed nickel substrate; performing in-situ growth of a precursor CoFe-LDH nanosheet on the NF through a hydrothermal method; and synthesizing the nanowire array composed of the ferrocobalt-based heterostructure: putting a precursor into a muffle furnace, heating, keeping the temperature so that the precursor is thoroughly converted into a Co-Fe-O intermediate, immersing NF on which the intermediate grows into a polytetrafluoroethylene reaction kettle lining, carrying out a hydrothermal reaction, and naturally cooling to the room temperature to obtain a Co9S8-Fe3O4 / VNF composite material (the vulcanized NF is abbreviated as VNF), so that the nanowire array composed of the ferrocobalt-based heterostructure and the Co9S8-Fe3O4 / VNF composite material is obtained. The nanowire array is composed of a ferrocobalt-based heterostructure. The invention further provides a nanowire array composed of the ferrocobalt-based heterostructure and application of the nanowire array in preparation of a working electrode of an oxygen evolution reaction catalyst. According to the heterostructure catalyst provided by the invention, the adsorption strength of an OER intermediate can be optimized to realize high intrinsic OER activity, and efficient and stable water decomposition is realized.

The invention relates to a method for preventing and controlling antibiotic and drug-resistant gene transmission in a soil vegetable system based on a charcoal-based composite material. According to the invention, agricultural waste corn straw is used as a precursor, magnetic iron and graphite phase carbon nitride are loaded through a hydrothermal reaction, and then high-temperature calcination is carried out to prepare a FeBC / g-C3N4 (short for FeBC / g-CN) biochar composite material which is used as a soil conditioner. The prepared biochar modifier is applied to polluted farmland soil to be treated, sufficient and uniform mixing is conducted, vegetable seeds are sown, illumination is provided, and a certain water content of the soil is kept, the prepared biochar modifier is simple in preparation method and application method and remarkable in effect, the reduction rate of tetracycline in soil vegetables is increased through use of the biochar modifier, and the soil quality is improved. Meanwhile, transmission of antibiotics and drug-resistant genes in a soil vegetable system is blocked and controlled.

The preparation method comprises the following steps: crushing epimedium sagittatum to prepare paste, suspending with water, extracting with petroleum ether, dichloromethane, ethyl acetate and n-butyl alcohol respectively to obtain extractum of each part, carrying out gradient elution separation by using silica gel column chromatography, and concentrating to obtain the isopentenyl flavone compound extracted from epimedium sagittatum, thereby obtaining the isopentenyl flavone compound extracted from epimedium sagittatum. Combining the similar parts according to a thin layer chromatography (TLC) color development result to obtain a plurality of polar segments; carrying out chromatography and gradient elution on the target polar section to obtain a plurality of components, and then combining the similar components through thin-layer chromatography (TLC) dot plate absorption to obtain a plurality of sub-components; a target component is eluted and purified, fractions with different retention times are collected and dried, and two compounds are respectively obtained, have a remarkable inhibition effect on the cell viability of human breast cancer cells MCF-7, have anti-breast cancer activity, can be applied to preparation of drugs for treating breast cancer, and have huge social and economic benefits.

The invention discloses a tin-carbon negative electrode material as well as a preparation method and application thereof. The tin-carbon negative electrode material comprises an inner core and a shell, the inner core is a tin-carbon composite material; the shell is a carbon coating layer coating the outer surface of the porous carbon; wherein the tin-carbon composite material comprises porous carbon and tin deposited in pores of the porous carbon; the mass of the porous carbon accounts for 15-95% of the total mass of the tin-carbon composite material; the mass of the tin-carbon composite material accounts for 85-99% of the total mass of the tin-carbon negative electrode material; the mass of tin accounts for 0.1%-85% of the total mass of the tin-carbon negative electrode material, preferably 3%-30%; the tin-carbon composite material is obtained by depositing tin obtained by decomposing distannane in pores of porous carbon through a vapor deposition method; the tin-carbon negative electrode material provided by the invention is used as a negative electrode active material to prepare a negative electrode plate and assemble the negative electrode plate into a secondary battery, so that the first-circle coulombic efficiency of the secondary battery can be effectively improved.

The invention relates to a NiCo-OH / FeOOH heterostructure nanosheet as well as a preparation method and application thereof. The NiCo-OH / FeOOH heterostructure nanosheet derived from MOF (Metal Organic Framework) is manufactured on the basis of a simple and convenient strategy of corrosion and soaking engineering. A heterostructure is constructed in the catalyst, so that the electronic structure of the catalyst can be adjusted, the adsorption energy of a reaction intermediate product can be optimized, and the catalytic activity of the catalyst can be remarkably improved. Due to the synergistic effect between nickel and cobalt, the iron heterostructure is introduced, so that the electro-catalytic performance of the transition metal compound in an alkaline solution can be further improved, and the purpose of improving the catalytic activity is achieved. The NiCo-OH / FeOOH nanosheet composite electrode material obtained by the invention has an ultrathin nanosheet structure, provides a larger electrochemical active region and abundant exposed active sites, and improves the dynamics and enhances the ion transmission due to the synergistic effect between NiCo-OH and FeOOH, thereby improving the intrinsic catalytic activity and enhancing the electrochemical activity. The electrode can be used as a catalytic electrode in electrochemical water desorption oxygen-desorption reaction.

The invention provides a preparation method, a product and application of a toughened and antibacterial PLA-based melt-blown non-woven material, and belongs to the technical field of spinning. The toughened and antibacterial PLA-based master batch disclosed by the invention is prepared from the following raw material components in parts by mass: 84 to 90 parts of polylactic resin, 4 parts of methyl methacrylate-butadiene-styrene copolymer, 1 part of nano zinc oxide, 0.5 part of polyhexamethylene guanidine hydrochloride, 4 to 10 parts of polyethylene glycol and 0.5 part of C1A type compatilizer. And melting and spinning the toughened and antibacterial PLA-based master batch, and sequentially carrying out hot pressing treatment and corona electret treatment to obtain the toughened and antibacterial PLA-based melt-blown non-woven material. The PLA-based melt-blown non-woven material provided by the invention has good antibacterial property and mechanical property, and has relatively strong market competitiveness and relatively good industrialization prospect.

The preparation method of the isopentenyl flavone enantiomer compound comprises the following steps: crushing epimedium sagittatum to prepare paste, suspending with water, respectively extracting with petroleum ether, dichloromethane, ethyl acetate and n-butyl alcohol to obtain extractum of each part, carrying out gradient elution separation by using silica gel column chromatography, and concentrating to obtain the isopentenyl flavone enantiomer compound, namely the isopentenyl flavone enantiomer compound. Combining the similar parts according to a thin layer chromatography (TLC) color development result to obtain a plurality of polar segments; carrying out chromatography and gradient elution on the target polar section to obtain a plurality of components, and then combining the similar components through thin-layer chromatography (TLC) dot plate absorption to obtain a plurality of sub-components; a target component is eluted and purified, fractions with different retention times are collected and dried, and four compounds are obtained respectively, have a remarkable inhibition effect on the cell viability of human breast cancer cells MCF-7, have anti-breast cancer activity, can be applied to preparation of drugs for treating breast cancer, and have huge social and economic benefits.

The invention provides bentonite for compound anti-seepage drilling mud as well as a preparation method and application thereof, and the method comprises the following steps: respectively airing and coarsely crushing bentonite raw ore and attapulgite raw ore to obtain bentonite coarse ore and attapulgite coarse ore; the bentonite coarse ore and the attapulgite coarse ore are subjected to drying, grinding, impurity removal and sieving respectively, and bentonite ore powder and attapulgite ore powder are obtained; the preparation method comprises the following steps: mixing bentonite mineral powder, attapulgite mineral powder, a tackifier and water in parts by mass, and stirring to obtain compound clay ore pulp; the compound clay ore pulp is subjected to standing curing treatment and heating treatment, and the compound anti-seepage drilling mud is obtained. The bentonite for the compound anti-seepage drilling mud is high in viscosity, low in filter loss and capable of effectively meeting the requirements of the drilling mud after being subjected to high-temperature reaction, and meanwhile the preparation method is simple in process, low in production cost, rich in raw material and easy to produce and use in a large scale.

The invention discloses a three-site co-doped lithium titanate carbon-coated material and a preparation method and application thereof.The lithium titanate carbon-coated material comprises a carbon-coated material, a lithium titanate material and anions and cations doped in the lithium titanate material, a titanium source is dissolved in a solution containing the carbon-coated material, a lithium source, a doped potassium source, an aluminum source and a fluorine source are added, and the mixture is stirred to be uniform; sequentially heating and stirring, drying, grinding and sintering at high temperature. According to the invention, lithium, titanium and oxygen sites in the lithium titanate material are replaced by co-doping trace potassium, aluminum and fluorine, so that the electronic conductivity of the surface of the material is effectively improved, the synergistic effect of doped anions and cations can induce and improve the internal characteristics of the material, and as the negative electrode material of the lithium ion battery, the cycling stability of the material in the organic lithium ion battery can be improved; and the device is high in safety and is used for energy storage equipment, backup power supplies, reserve power supplies and the like.

The present invention relates to a method for producing light magnesium carbonate and co-producing calcium carbonate by sequestering carbon dioxide using magnesium reduction slag, acidic ammonium salt solution and magnesium reduction slag are added to leaching reactor, stirring and controlling pH to be 8.5-10.5, after solid-liquid separation, the solution is passed into a precipitation reactor, and industrial flue gas is passed into stirring reaction, until the system pH drops to 8, solid-liquid separation, the obtained mother liquor is used as a leaching liquid to repeatedly extract the same batch of magnesium slag, and then the mother liquor obtained after repeated extraction is used as a leaching liquid to extract multiple batches of magnesium slag, until the magnesium ion concentration in the mother liquor is greater than 0.1M, solid-liquid separation, industrial flue gas is passed into and pH is controlled to be 7.3-8.5, solid-liquid separation after reaction, ammonia is added to the obtained mother liquor and industrial flue gas is passed into, the system pH is controlled to be 9-9.5, and finally solid-liquid separation, drying, obtain light magnesium carbonate. The method is low in cost, can achieve zero emission and high value application of magnesium reduction slag, and has strong operability and is easy to realize industrialization.

A method for extracting flavonoid compounds from epimedium sagittatum comprises the following steps: crushing epimedium sagittatum, carrying out reflux extraction, carrying out reduced pressure recovery to obtain an extract, suspending with distilled water, and extracting with petroleum ether, dichloromethane, ethyl acetate and n-butyl alcohol at room temperature to respectively obtain each part; the dichloromethane part is separated, eluted and combined, and components Fr.A, Fr.B, Fr.C, Fr.D, Fr.E, Fr.F, Fr.G and Fr.H are obtained; eluting the component Fr.G, and combining to obtain components Fr.G1,..., Fr.G17 and Fr.G18; eluting the component Fr.G17, and combining the eluted component Fr.G17 to obtain components Fr.G 17.1,..., Fr.G 17.15,..., Fr.G 17.19; eluting a component Fr.G 17.15, recovering under reduced pressure, and merging to obtain components Fr.G 17.15. 1,..., Fr.G 17.15. 9, Fr.G 17.15. 10,..., Fr.G 17.15. 12; the preparation method comprises the following steps: carrying out semi-preparative HPLC (High Performance Liquid Chromatography) purification on the component Fr.G 17.15. 10 to obtain a compound Epimesatine P; the preparation method comprises the following steps: carrying out semi-preparative HPLC (High Performance Liquid Chromatography) purification on a component Fr.G 17.15. 9, and collecting components with different retention times, so as to respectively obtain the compounds Epimesatine Q, Epimesatine R and Epimesatine S. The preparation method comprises the following steps of: preparing the compound Fr.G 17.15. 9; the flavonoid compound can be effectively extracted from epimedium sagittatum, can be effectively used for treating breast cancer, can be applied to preparation of anti-breast cancer drugs, and has remarkable economic and social benefits.

The present invention belongs to the field of food, and discloses a healthy all-plant-based room temperature low-fat cream and its preparation method and application. The preparation method of the healthy all-plant-based room temperature low-fat cream comprises the following steps: preparation of enzymatic soy protein-polyphenol complex; dissolving syrup in an enzymatic soy protein-polyphenol complex dispersion and stirring to obtain an aqueous phase mixture; heating and melting diglyceride, adding emulsifier and colloid and stirring and dispersing to obtain an oil phase mixture; mixing the oil phase mixture and the aqueous phase mixture, shearing, and homogenizing to obtain room temperature all-plant-based cream. The all-plant-based room temperature cream prepared by the present invention has natural raw materials, simple ingredients, does not contain animal ingredients, and is suitable for a wide range of people. The product has high stability, is not easy to oxidize, can be stored and transported at room temperature, and can be whipped into highly stable whipping cream in a wide temperature range. The preparation process does not require complicated procedures, is easy to produce, is easy to operate, is environmentally friendly and pollution-free, and can be used as a new type of healthy room temperature low-fat cream product.

The invention discloses a high-entropy sodium vanadium phosphate positive electrode material and a preparation method and application thereof.The material comprises a carbon layer coated on the outer layer of sodium vanadium phosphate, the chemical formula of the sodium vanadium phosphate is Na3V2-10xMn3xCo3xNi3xCr2xTi3x / 2 (PO4) 3, x is larger than or equal to 0 and smaller than or equal to 0.1, a carbon source, a vanadium source, a phosphorus source, a manganese source, a cobalt source, a nickel source, a chromium source, a titanium source and a sodium source are sequentially added into a solvent according to needs to be evenly mixed, the mixture is heated and stirred in an oil bath till the gel state is achieved, drying is conducted, and the high-entropy sodium vanadium phosphate positive electrode material is obtained. And grinding, calcining, naturally cooling to room temperature, and grinding into powder. The five elements Mn, Co, Ni, Cr and Ti are used for partially replacing V, the diffusion kinetics and conductivity of sodium ions are improved by doping and optimizing the structure of the material, the crystallinity and specific capacity of the material are improved, rapid migration of the sodium ions and conduction of electrons are promoted, the electrochemical performance is excellent, and the material is used for the sodium ion battery.

This invention relates to the field of heavy metal contaminated water or soil remediation technology, and discloses the application of magnesium-based cementitious materials in heavy metal ion remediation in ultra-stable mineralized environments. This invention can achieve good heavy metal adsorption effects in a short time, without the release of toxic substances or secondary pollution, and is suitable for the remediation of heavy metal contaminated water or soil.

A preparation method of the triterpenoid A2 comprises the following steps: drying and crushing the oriental oriental waterplantain rhizome, dipping the oriental oriental waterplantain rhizome in acetone at room temperature, crushing and extracting, filtering, merging filtrate, and concentrating under reduced pressure to obtain an extract; sequentially extracting the extract with petroleum ether, dichloromethane, ethyl acetate and n-butyl alcohol with the same amount, concentrating and drying to obtain a petroleum ether part, a dichloromethane part, an ethyl acetate part, an n-butyl alcohol part and a water part; dissolving the dichloromethane part with methanol, stirring silica gel, packing and eluting for four times to obtain a target fraction; and loading the target fractions on a chromatographic column, collecting fractions within the retention time, concentrating and drying to obtain the target fractions. The raw materials are rich, a unique preparation method is adopted, and the compound A2 can improve airway inflammation and airway hyperresponsiveness of OVA-induced allergic asthma, can be used for preparing drugs for treating allergic asthma, develops the medicinal value and economic value of oriental rhizoma alismatis, and has huge economic and social benefits.

The application discloses a drilling cementing wall stabilizing agent and a preparation method and application process thereof, and belongs to the technical field of oil field chemistry, and particularly relates to a preparation of the drilling cementing wall stabilizing agent. The preparation method of the drilling cementing wall stabilizing agent can be that thermoplastic resin, a curing agent and inorganic powder are uniformly mixed and stirred at normal temperature and normal pressure according to proportions. The wall stabilizing agent material has the advantages of simple production process, safety, low material cost and convenience for large-scale production and application. The product can not only plug pores and reduce filtration loss, but also cement sand and mudstone strata and improve stratum pressure-bearing capacity, so that the purpose of stabilizing a well wall is achieved. The application further provides an application process of the drilling cementing wall stabilizing agent, which comprises a suitable drilling fluid system and an adding amount and construction process under different stratum porosities and different working conditions.

The application discloses a plant fiber foam filter rod and a preparation method thereof. The preparation method comprises the following steps: crushing, soaking and dispersing a plant fiber pulp board, filtering and concentrating the pulp, and then performing beating treatment on the pulp to obtain microfibrillated cellulose fibers with a beating degree of 50°SR-70°SR and a fiber length of 0.5mm-2.0mm; the microfibrillated cellulose fibers are mixed into a fiber suspension, dodecyl dimethyl betaine is added, and continuous stirring is performed to make the system volume expand to 2.0-2.5 times of the original volume, so that the fiber foam pulp is obtained; the fiber foam pulp is drained in a mold for 3-6 hours, and then air blowing drying is performed at 50-60 DEG C to obtain a fiber foam product; and the fiber foam product is made into a filter rod. The application uses natural commercial pulp board fibers as the main raw material, performs beating treatment, performs surfactant assisted foaming, performs wet forming and drying and shaping, constructs a fiber-based porous foam, and prepares a filter rod for cigarettes, and the filter rod has the advantages of stable structure, renewability, rich raw materials and green environmental protection.

The invention discloses a synthetic method and application of a pyrrolo-quinoxaline-quinazoline derivative, and belongs to the technical field of biological medicines and organic semiconductor materials. The derivative shows abundant chemical diversity and controllable physical, chemical and biological activities by adjusting substituent groups and heteroatoms, and meets the requirements of multiple fields; the pyrrolo-quinoxaline-quinazoline derivative has excellent fluorescence performance and high electron mobility, can improve the response speed and efficiency of a device, is helpful for improving the photoelectric conversion efficiency of a photoelectric device, is efficient and environment-friendly in synthesis method, extremely small in catalyst dosage, mild in reaction condition, short in reaction time and high in yield, and is suitable for industrial production. The production cost is remarkably reduced, the product purity is improved, the derivative has excellent fluorescence performance and high electron mobility, great potential is shown in the field of photoelectric conversion, and the device efficiency can be improved. Meanwhile, due to the unique biological activity, the polypeptide becomes a potential drug skeleton, and a new thought is provided for research and development of new drugs by designing adjustable and controllable target combination.

A traditional Chinese medicine for treating hypertension liver yang hyperactivity syndrome comprises the following raw materials by weight: 18-23g of Tribulus terrestris, 18-23g of Bidens pilosa, 18-23g of Astragalus membranaceus, 10-14g of Plantago seed, 8-11g of Chrysanthemum, 8-11g of Cibotium barometz, 8-11g of Gastrodia elata, 8-11g of Uncaria rhynchophylla, 8-12g of Semen Cassiae, 8-12g of Pheretima and 13-17g of Pueraria root; the raw materials are mixed, soaked in water and decocted twice, firstly adding water 8 times of the total weight thereof and decocting for 1 hour to obtain a first decoction, secondly adding water 6 times of the total weight thereof and decocting for 0.5 hour to obtain a second decoction, combining the two decoctions, filtering and concentrating to 1 / 5 of the total volume to obtain the traditional Chinese medicine; the traditional Chinese medicine has abundant raw materials, simple preparation method, easy production and convenient administration, and has obvious effect in treating hypertension liver yang hyperactivity syndrome, good safety and huge social and economic benefits.

A biomass-based phosphide carbon material and its application, which belongs to the field of metal ion battery negative electrode materials. Functional groups are introduced into polysaccharide molecules by chemical reaction, and the functional groups are further used for chemical reaction to regulate the structure of polysaccharide molecules, that is, biomass polysaccharide and vanillin undergo Schiff base reaction to graft vanillin onto the polysaccharide molecular side chain to form a polysaccharide intermediate. Subsequently, an addition reaction occurs with the phosphide to further expand the side chain to form a biomass-based carbon material precursor. During the high-temperature sintering process, the precursor molecules can further undergo chemical reaction to form larger molecular clusters, which have a low degree of graphitization after sintering, more surface defects, and good sodium storage capacity. Used as the negative electrode of a sodium ion battery, it exhibits a high sodium storage capacity and a good capacity retention rate. This material is a new type of sodium storage carbon material, with abundant and easy-to-obtain raw materials, a simple production process, mild reaction conditions, and safety and environmental protection.

The invention discloses a continuous zirconium oxide fiber with an ionic gel coating and a preparation method of the continuous zirconium oxide fiber, and belongs to the technical field of continuous inorganic ceramic fiber new materials. The ionic gel coating formed by rapid polymerization of ramie fibers modified by a coupling agent and a deep eutectic solvent under UV illumination can effectively protect the fibers on the premise of being thin and uniform in thickness and not damaging the softness of the fibers, and endows the fibers with certain self-lubricating performance; therefore, the friction damage caused by the continuous zirconium oxide fiber in the weaving process is reduced. Meanwhile, the ionic gel coating has good mechanical performance and self-repairing capacity and is not prone to being stripped from the fibers, the abrasion resistance of the zirconium oxide fibers is improved, the stability of a product in the three-dimensional texture process is improved, and the ionic gel coating has great commercial value.

The invention provides a preparation method of a high-temperature electrochemical biomass carbon anode, which belongs to the field of electrochemical metallurgy and comprises the following steps: step 1, performing crushing pretreatment on a biomass raw material in a room-temperature air environment; 2, in an argon atmosphere, putting the crushed biomass raw material obtained in the step 1 into a high-temperature heating furnace, and carrying out heating treatment to obtain a carbon black product; and 3, putting the carbon black product obtained in the step 2 into an SPS (spark plasma sintering) furnace, and sintering to obtain a compact carbon black block. The compact carbon black block can be used as a high-temperature electrochemical substance anode to carry out corresponding electrolysis or electrochemical test experiments. The method has the characteristics of low energy consumption, low pollution, high efficiency, simplicity in operation, wide applicability and the like. According to the method, the waste biomass can be sustainably utilized, carbon dioxide emission is reduced, the atmospheric pollution problem in the electrochemical experiment and production activity process is effectively solved, and the method can be applied to various systems for producing and refining various types of metals.

The present invention discloses a UV-resistant layered silicate functional masterbatch and a preparation method and application thereof. The functional masterbatch comprises the following components by weight: 50 to 90 parts of a biodegradable resin and 10 to 50 parts of a UV absorber-modified high-mesh layered silicate. The UV absorber-modified high-mesh layered silicate is prepared by the following steps: (1) washing the high-mesh layered silicate with a dilute nitric acid solution to obtain a purified high-mesh layered silicate; (2) dissolving the UV absorber in a solvent, adding the high-mesh layered silicate, and refluxing the mixture under boiling conditions, filtering and drying the obtained reaction product, adding paraffin after crushing, and continuing to stir and encapsulate to obtain the UV absorber-modified high-mesh layered silicate. The UV-resistant layered silicate functional masterbatch proposed by the present invention has a long-lasting UV-resistant aging effect, can improve the external migration of small-molecule UV absorbers, and is an efficient, multifunctional, and environmentally friendly biodegradable plastic additive.

The application discloses an inhibitor compound ZWT0127 of receptor-interacting protein kinase 2 and a preparation method and application thereof, and can effectively solve the problems of preparation and application of the inhibitor compound ZWT0127 in preparation of a drug for treating acute lung injury. The method is as follows: N-Boc-4-chloro-5,7,8-trihydro-pyridopyrimidine and 5-amino benzothiazole are dissolved by using N,N-dimethylformamide, pyridine is added, stirring is conducted, and condensation reflux is conducted; dilution is conducted, an ethyl acetate layer is washed, pyridine is removed, and then the ethyl acetate layer is washed by using a saturated sodium chloride solution; the organic layer is dried by using anhydrous magnesium sulfate and concentrated to obtain a brown oil-shaped crude product; preliminary purification is conducted, drying is conducted after concentration, methanol is used for dissolving, a filter membrane is used for filtering, purification and separation are conducted, a detection wavelength is used, and a target peak flow fraction of a retention time is collected; methanol is recovered by using pressure reduction and concentration, and freeze-drying or vacuum drying is conducted, so that the inhibitor compound ZWT0127 of receptor-interacting protein kinase 2 is obtained. The raw material is rich, the method is easy to operate, the product quality is good, the product has an inhibiting effect on RIPK2 enzyme activity and a treating activity on LPS-induced acute lung injury.

The present invention discloses a doped and modified lithium nickel cobalt manganese oxide single crystal positive electrode material and a preparation method thereof, the preparation method comprising: preparing an alkaline solution containing a doped ion compound as a base liquid for preparing a precursor and placing it in a reaction device, then adding a solution containing nickel salt, cobalt salt, manganese salt, an ammonia solution and a precipitant solution into a continuously stirred reaction device for chemical coprecipitation reaction, and after the reaction is completed, aging, centrifuging, washing and drying to obtain a doped nickel cobalt manganese oxide precursor; wherein the doped ion compound is a complex formed by citric acid and doped ions, a complex formed by sulfonic acid and doped ions, or a mixture of one or two, and the doped ion compound used is a nano-sized compound; the doped nickel cobalt manganese oxide precursor is mixed with a lithium salt, ball milled and sintered to obtain the doped and modified lithium nickel cobalt manganese oxide single crystal positive electrode material. The preparation method of the present invention can reduce costs, increase production capacity, and the prepared positive electrode material has high capacity and good cycle performance.

The invention provides a method for preparing vaterite based on a continuous instantaneous nano precipitation technology. According to the invention, carboxymethylated xylan (CMX) is used as an organic matrix for calcium carbonate nucleation and a crystal growth inhibitor, the carboxymethylated xylan (CMX) and carbonate are co-precipitated in a multi-channel vortex mixer (MIVM), and stable vaterite (CaCO3 (at) CMX) is generated through an instantaneous nano-precipitation technology; the vaterite has the advantages of narrow particle size distribution range and high specific surface area, the particle size range is 1-1.5 mu m, and the specific surface area reaches 97.28 m < 2 > / g; the vaterite has potential application value in the aspect of active ingredient delivery, can be used as an agricultural chemical loading platform, and has good practicability.

The invention provides a bentonite / graphite composite mycotoxin adsorbent as well as a preparation method and application thereof, and the method comprises the following steps: uniformly mixing calcium bentonite powder, transition type bentonite powder, sodium bentonite powder, sodium modified bentonite powder and graphite powder to obtain a powdery bentonite / graphite composite mycotoxin adsorbent; the preparation method also comprises the following steps: uniformly mixing the powdery bentonite / graphite composite mycotoxin adsorbent and a binder in proportion, granulating, and drying to obtain the granular bentonite / graphite composite mycotoxin adsorbent. The prepared composite mycotoxin adsorbent can be used for adsorbing and removing mycotoxin in the feed industry, has efficient adsorption performance on aflatoxin B1 and zearalenone at the same time, is simple in process, low in production cost and easy to produce on a large scale, and has high economic benefits and social benefits.

The invention belongs to the technical field of electro-catalysis, and particularly relates to a RuO2 / Co3O4-coated NC bifunctional electro-catalysis material and a preparation method and application thereof.The electro-catalysis material is of a heterostructure formed by taking carbon cloth as a substrate and loading a nitrogen-doped carbon shell layer on the surface to wrap Co3O4 and RuO2. Meanwhile, the invention also provides a preparation method of the electro-catalytic material and application of the electro-catalytic material in electro-catalytic full-hydrolysis of water. According to the obtained RuO2 / Co3O4-coated NC bifunctional electrocatalyst, the electrocatalytic hydrogen evolution and oxygen evolution performance of a composite material can be improved, and the long-time operation stability of hydrogen evolution and oxygen evolution can also be improved.