178results about How to "Inhibitory reactivity" patented technology

The invention relates to the technical field of building materials, and particularly discloses high-strength lightweight concrete containing hollow glass beads and a preparation method of the high-strength lightweight concrete. The high-strength lightweight concrete containing the hollow glass beads is prepared from cement, fly ash, carbon fiber grafted hollow glass beads, lightweight sand, deionized water, polypropylene fiber grafted rubber particles and a water reducing agent according to the mass ratio of (58-75): (25-38): (45-65): (20-40): (42-55): (35-55): (5-12) through mixing, mold filling, vibration molding, covering and demolding. The addition amount of the hollow glass beads is strictly controlled, the influence on the overall strength of the concrete is avoided, the density and weight of the concrete are reduced due to the addition of the light sand and the hollow glass beads, the compactness and integrity of the concrete are improved due to the synergistic effect of the two added fibers, and the raw materials have excellent cohesiveness; the concrete can effectively absorb and disperse stress, and has the advantages of excellent strength, light weight, good durability and excellent comprehensive performance.

The invention discloses a perovskite solar cell buried interface modifier and a preparation method and application thereof, and belongs to the technical field of photovoltaic solar materials. The 2-(benzoylamino) benzoic acid serves as a perovskite solar cell buried interface modifier, the molecule has a structure shown in a formula (1), the molecule takes benzoic acid as an anchoring group and is used for modifying a hole transport layer NiOx / perovskite interface layer, defects at a NiOx / perovskite layer thin film crystal boundary are reduced, the morphology of the perovskite layer thin film is regulated and controlled, and the performance of the perovskite solar cell is improved. The charge transfer capability of the NiOx / perovskite layer interface is enhanced, the interface reaction and carrier recombination are inhibited, the photoelectric conversion efficiency and stability of the perovskite solar cell are improved, and a new preparation way is provided for preparing the efficient and stable perovskite solar cell. # imgabs0 #

The invention relates to a weather-resistant anti-aging polyethylene pipeline and a preparation method thereof, and belongs to the technical field of high polymer materials. The pipeline is prepared from high-density polyethylene resin, linear low-density polyethylene resin, polyimide resin micro powder, nano silicon dioxide, nano hexagonal boron nitride, polybenzimidazole fibers, carnosic acid, zinc glycyrrhetinate, an antioxidant 1010, a hindered amine light stabilizer and a polydimethylsiloxane titanate cross-linked polymer. The preparation method comprises the following steps: taking 1, 3-methacryloxypropyltriethoxysilane as a raw material; according to the preparation method, polyimide resin micro powder, carnosic acid and zinc glycyrrhetinate are uniformly mixed and then are modified at 300-350 DEG C for 30-60 minutes to obtain a modified substance, so that the weather resistance and the aging resistance of the pipeline can be better improved. All the components are compatible with one another, and a special modification preparation method is adopted, so that the synergistic effect of the components is better exerted, and the weather resistance and the aging resistance of the polyethylene pipeline are greatly improved.

The invention relates to the technical field of batteries, in particular to a composite electrolyte, a lithium metal battery and application of the lithium metal battery. The invention relates to a composite electrolyte which comprises a fluorinated cyclic ether solvent, an alkane solvent, LiPF6 and LiTFSI, the carbon atom number Ra of the fluorinated cyclic ether solvent skeleton is more than or equal to 3 and less than or equal to 6; the volume ratio A of the fluorinated cyclic ether solvent is greater than or equal to 50% and smaller than or equal to Alt; 100%; the volume ratio B of the alkane solvent meets 0 lt; b < = 50%; the structural tortuosity Rb of the hydrocarbon solvent satisfies 1.5 < Rb < = 3; the ratio of the molar concentration Rc of LiPF6 to the molar concentration Rd of LiTFSI is more than 0 and less than or equal to 1. The composite electrolyte provided by the invention has excellent comprehensive physical and chemical properties, especially low-temperature performance, and can improve the cycle performance and rate capability of the battery.

The invention belongs to the technical field of biological medicines, and particularly relates to a postbiotic hydrogel for relieving alcoholic gastric ulcer as well as a preparation method and application thereof. The metagen hydrogel for relieving the alcoholic gastric ulcer, provided by the invention, is mainly prepared from metagen of rhamnobacter and modified lactoferrin; the lactobacillus rhamnosus is lactobacillus rhamnosus JM023. Tests prove that when the postbiotic hydrogel is applied to an alcoholic gastric ulcer rat model, the occurrence of gastric ulcer can be inhibited by inhibiting oxidative stress and inflammatory response and improving protection factor secretion; and the alcoholic gastric ulcer is relieved by regulating and controlling the expression of oxidation, inflammation, cell apoptosis and tissue repair related metabolic pathways and regulating gastrointestinal flora. The metagen hydrogel disclosed by the invention has the effect of effectively relieving gastric ulcer symptoms caused by alcohol, and is suitable for being developed and applied as a medicine or a health-care product for relieving alcoholic gastric ulcer.

The invention discloses a sorghum aphid MsCYP1 gene as well as an encoding protein, dsRNA (double-stranded ribonucleic acid) and application thereof, and aims to solve the technical problem that a key gene is lacked when an RNA (ribonucleic acid) interference technology is used for biological prevention and control of sorghum aphids at present. According to the application, the sorghum aphid protein MsCYP1 capable of being secreted into sorghum cells is screened, and the protein and the coding gene thereof can inhibit the content of hydrogen peroxide in sorghum and the immune response of the sorghum. Meanwhile, according to the cDNA sequence of the MsCYP1 gene of the sorghum aphid, dsRNA for the gene is designed, the dsRNA is introduced into the body of the sorghum aphid in an artificial feeding mode, it is found that the dsRNA can remarkably inhibit the MsCYP1 gene of the sorghum aphid, then the honeydew secretion amount and the reproduction rate of the sorghum aphid are affected, the MsCYP1 gene can serve as an RNAi target gene to be used for aphid prevention and control, pesticide use is reduced, and the application prospect is good. The ecological balance is maintained.

The invention provides a curcumin-antibacterial peptide-tetrahedral framework nucleic acid compound as well as a preparation method and application thereof, and belongs to the field of medicines. The curcumin-antibacterial peptide-tetrahedral framework nucleic acid compound is a compound prepared by taking curcumin, antibacterial peptide and tetrahedral framework nucleic acid as raw materials. Cell experiments show that the curcumin-antibacterial peptide-tetrahedral framework nucleic acid compound can significantly improve the osteogenesis activity of periodontal ligament stem cells, recover the mineralization activity, reduce the oxidative stress level and inhibit the occurrence and development of inflammatory reactions. Animal experiments show that the curcumin-antibacterial peptide-tetrahedral framework nucleic acid compound can significantly reduce loss of alveolar bones of periodontitis rats, inhibit the inflammatory state, promote osteogenic activity, recover the structure and quality of the alveolar bones and effectively treat periodontitis. The curcumin-antibacterial peptide-tetrahedral framework nucleic acid compound provided by the invention has a wide application prospect in preparation of drugs for preventing and / or treating periodontitis.

The present invention relates to a weather-resistant and anti-aging polyethylene pipeline and a preparation method thereof, and belongs to the technical field of polymer materials. The pipeline adopts high-density polyethylene resin, linear low-density polyethylene resin, polyimide resin powder, nano silicon dioxide, nano hexagonal boron nitride, polybenzimidazole fiber, carnosic acid, zinc glycyrrhetinate, antioxidant 1010, hindered amine light stabilizer, polydimethylsiloxane titanate cross-linked polymer, 3-methacryloxypropyl triethoxysilane as raw materials; wherein, polyimide resin powder, carnosic acid and zinc glycyrrhetinate are uniformly mixed, and then modified at 300°C to 350°C for 30min to 60min to obtain a modified product, which can better improve the weather resistance and aging resistance of the pipeline. Each component is compatible with each other, and a special modified preparation method is adopted to better play the synergistic effect of the components, and greatly improve the weather resistance and aging resistance of the polyethylene pipeline.

The invention discloses an aqueous zinc ion battery electrolyte as well as a preparation method and application thereof, and relates to the technical field of electrolytes. The electrolyte is modified by adding the cyclic ketone small-molecule additive into zinc sulfate, growth of zinc dendrites on the surface of the zinc negative electrode and hydrogen evolution reaction can be effectively inhibited, so that the problems of zinc corrosion and zinc negative electrode passivation are relieved, the mechanism of improving the stability of the zinc negative electrode by the quantity and position of zinc-philic functional group carbonyl is discussed, and the stability of the zinc negative electrode is improved. Experiments prove that the zinc ion battery prepared from the electrolyte successfully constructs the aqueous zinc ion battery with high performance and long cycle stability.

The invention relates to the technical field of capacitor electrolyte manufacturing, in particular to an ultrahigh-conductivity capacitor electrolyte formula and a preparation method thereof.The ultrahigh-conductivity capacitor electrolyte formula comprises a main solvent, a solute and an additive, an organic solvent in the main solvent and a low-viscosity organic solvent are mixed according to a specific proportion, the dielectric property and the ion migration environment of the solvent can be effectively balanced, and the conductivity of the capacitor is improved; and a good condition is created for ion transmission. And through reasonable matching and concentration control of high-dissociation-degree salts and organic salts in solutes, sufficient dissociation and efficient transmission of ions are ensured, and the conductivity of the electrolyte is greatly improved. A plurality of additives are added according to a specific proportion and properties, the conductivity enhancing additive forms a conductive network, the electrode protection additive forms a uniform protection film on the surface of an electrode to improve the interface stability, the electrolyte stabilizing additive inhibits decomposition and oxidation reactions in a wide temperature range, and stable performance and high conductivity of the electrolyte are guaranteed through a synergistic effect.

The invention relates to the technical field of heat-resistant materials, in particular to a heat-resistant polyethylene material and a preparation method thereof, and the heat-resistant polyethylene material comprises the following raw materials: ultra-high molecular weight polyethylene, zirconium oxide-zinc aluminate spinel (ZrO2-ZnAl2O4), modified graphdiyne, an antioxidant, a heat stabilizer, a plasticizer, a flame retardant and an anti-ultraviolet agent. The ultrahigh molecular weight polyethylene, the ZrO2-ZnAl2O4 and the modified graphdiyne play a role through a synergistic effect, a polyethylene molecular chain forms a firm three-dimensional network structure in a high-temperature radiation process, and a stable matrix supporting effect is provided; the excellent chemical stability and oxidation resistance of ZrO2-ZnAl2O4 in a high-temperature environment effectively inhibit the thermal degradation reaction of polyethylene, the service life of the material is prolonged, the modified graphdiyne is beneficial to rapid heat transmission, the thermal stability of the material is improved, meanwhile, the layered structure of the material has good lubricating performance, and the service life of the material is prolonged. The modified graphdiyne and the ZrO2-ZnAl2O4 are combined to avoid heat accumulation and material aging caused by the friction effect, and the ultrahigh molecular weight crosslinked polyethylene, the ZrO2-ZnAl2O4 and the modified graphdiyne form a multi-layer protection system to jointly improve the heat stability of the material.

The invention discloses an in-situ inorganic hybridization reinforced polyurethane resin and a preparation method thereof. An inorganic in-situ bonding structure of the in-situ inorganic hybridization reinforced polyurethane resin can effectively control the strength and hardness of the polyurethane resin; and the organic auxiliary agent can effectively reduce the curing speed of the high-activity component, so that the system resin can be simultaneously applied to use scenes with different curing speeds and different hardness requirements. The in-situ inorganic hybridization reinforced polyurethane resin comprises a component A and a component B. The component A is prepared from the following components in parts by mass: 100 parts of isocyanate-terminated polyurethane oligomer, 4.5 to 102 parts of monomer polyisocyanate b, 2.9 to 4.4 parts of reaction speed regulator and 0 to 1.2 parts of catalyst a; the component B is prepared from the following components in parts by mass: 14.5 to 89.6 parts of silanol, 0 to 2 parts of glycerol and 0 to 1.2 parts of catalyst b; wherein in use, the component A and the component B are mixed according to the mass ratio of (1.66-7.1): 1 to obtain the in-situ inorganic hybridization reinforced polyurethane resin.

The invention discloses a double transition metal doped RuO2 acidic OER electrocatalyst and a preparation method and application thereof, relates to an OER electrocatalyst and a preparation method and application thereof, and aims to solve the technical problems of high overpotential and poor stability of the existing transition metal doped RuO2 catalyst.The catalyst is (M1) x (M2) yRuO2, M1 is Zr or Ti, and M2 is a transition metal doped RuO2 catalyst or a transition metal doped RuO2 catalyst or a transition metal doped RuO2 catalyst or a transition metal doped RuO2 catalyst or a transition metal doped RuO2 catalyst or a transition metal doped RuO2 catalyst or a transition metal doped RuO2 catalyst or a transition metal doped RuO2 catalyst. M2 is Mo, Nb or Tc; x is equal to 0.02 to 0.1, and y is equal to 0.02 to 0.1. The preparation method comprises the following steps: adding ruthenium salt, M1 salt, M2 salt and ethanol into water, putting the obtained mixed solution into a homogeneous reactor for hydrothermal reaction, washing and drying the product, and annealing. According to the present invention, the prepared electrode is loaded on carbon paper to prepare the electrode for acidic OER electro-catalysis, has the overpotential of 224 mV under the current density of 10 mAcm <-2 >, has excellent stability within 200 h, and can be used in the field of water electrolysis hydrogen production.

The invention belongs to the technical field of lithium ion battery positive electrode materials, and particularly relates to a spinel phase Li4Mn5O12 coated high-nickel positive electrode material as well as a preparation method and application thereof. A substrate of the material is a high-nickel positive electrode material, a coating layer is arranged on the surface of the substrate, and the coating layer is spinel-phase Li4Mn5O12 nanoparticles; the spinel phase Li < 4 > Mn < 5 > O < 12 > accounts for 1%-3% of the high-nickel positive electrode material by mass; the chemical general formula of the high-nickel positive electrode material is LiNi < 1-x-y > Co < x > Mn < y > O < 2 >, wherein (1-x-y) < lt > is greater than or equal to 0.8; 1, 0lt; xlt; 0, 0, 0, 0; yt; Yt; and 0.2 part. The spinel with relatively high lattice matching degree with the high-nickel positive electrode material can avoid a coating layer fracture phenomenon caused by volume expansion of the coating layer; a spinel three-dimensional lithium ion diffusion channel is adopted, so that the de-intercalation rate of lithium ions is increased, and the rate capability of the high-nickel positive electrode material is enhanced.

The invention relates to the technical field of hydrophobic flame-retardant materials, and discloses a method for preparing a super-hydrophobic flame-retardant flexible material from a water-dispersed nanocellulose compound, which comprises the following steps: preparing a nanocellulose suspension; synthesizing silicon dioxide nanoparticles; preparation of a precursor suspension: mixing SiO2 nanoparticles, methyltrimethoxysilane and the nanocellulose suspension in proportion, and carrying out a reaction to obtain the precursor suspension; preparing a polyvinyl alcohol solution; preparing a water-dispersible plant nano cellulose compound mixed solution, and freezing the water-dispersible plant nano cellulose compound mixed solution; and carrying out freeze drying treatment and heat treatment on the frozen material to obtain the super-hydrophobic flame-retardant flexible material. According to the method for preparing the super-hydrophobic flame-retardant flexible material by adopting the water dispersible nano-cellulose compound, the material preparation process is green and pollution-free, and the prepared flexible material has the characteristics of high elasticity, high oil absorbency, reusability, fire resistance, degradability and the like, and can be applied to various fields.

The invention relates to the technical field of medical materials, in particular to a tissue-adhesion-resistant polypropylene biomedical monofilament and a preparation method and application thereof, and the tissue-adhesion-resistant polypropylene biomedical monofilament is composed of a polypropylene monofilament and a tissue-adhesion-resistant functional polymer coating; the tissue adhesion resistant functional polymer coating is formed by carrying out free radical copolymerization on N-acryloyloxy succinimide and a zwitterionic monomer. According to the invention, the polymer with the anti-tissue adhesion function is fixed to the surface of the polypropylene monofilament, and chemical bonding is formed on the surface of the monofilament, so that the problem of coating shedding is solved, and the long-term anti-tissue adhesion effect is maintained. After the monofilaments are woven into the patch, the biomedical patch capable of inhibiting tissue adhesion and inflammatory reaction can be obtained without secondary treatment. Compared with the existing patch modification technology, the method is more suitable for industrialization.

The invention belongs to the technical field of aqueous zinc metal batteries, provides a composite negative electrode material for an aqueous zinc metal battery and a preparation method thereof, and aims to improve the cycle performance of the aqueous zinc metal battery and promote commercial application of the aqueous zinc metal battery. The composite negative electrode material is of a three-layer coating structure and is composed of zinc powder, carbon balls and bismuth nanosheets, the carbon balls are of an egg yolk shell structure, the zinc powder is coated with the carbon balls, and the surfaces of the carbon balls are coated with the bismuth nanosheets; the unique structure of the composite negative electrode not only can provide a rich continuous interface to promote efficient transfer of electrons, but also can reduce volume expansion and shrinkage generated in the repeated electroplating / stripping process of zinc metal, so that the electric contact loss of the zinc negative electrode is effectively inhibited; and the outer bismuth nanosheet not only can inhibit the hydrogen evolution reaction of a zinc metal / electrolyte interface, but also can enhance the transmission of ions in the electrochemical process, and induce the Zn (002) crystal face to be deposited on the surface of the electrode, so that the formation of zinc dendrites can be effectively inhibited through the plane deposition mechanism.

The invention provides photoresist stripping liquid as well as a preparation method and application thereof. The photoresist stripping liquid comprises the following components in parts by weight: 5-30 parts of quaternary ammonium base; 5 to 30 parts of alcohol amine; 20-45 parts of a polar solvent; 0.5 to 5 parts of a sulfonyl hydrazide corrosion inhibitor; 0.5 to 6 parts of a pyrithiourea corrosion inhibitor; and 15 to 40 parts of deionized water. The photoresist stripping liquid disclosed by the invention has the capability of efficiently removing photoresist, and also shows low corrosivity and high chemical inertness on a base material. The photoresist stripping liquid not only improves the production efficiency of semiconductors, but also reduces the influence of the environment, is suitable for each link in a semiconductor manufacturing process, and is particularly suitable for removing the photoresist of a III-V compound (such as gallium arsenide GaAs) base material and a metal (such as copper Cu) base material.

The invention relates to the technical field of aqueous zinc ion battery negative electrode materials, in particular to an efficient aqueous zinc ion negative electrode plate and a preparation method thereof. A zinc metal negative electrode of an aqueous zinc ion battery has many interface side reactions and is easy to grow dendrites, so that the cycle life of the battery is relatively short. In order to solve the problems, the invention provides the efficient aqueous zinc ion negative plate which is formed by sequentially coating the surface of a Zn plate with a carbon nitride coating and a zinc titanate coating, carbon nitride in the carbon nitride coating is graphite-phase carbon nitride, and the graphite-phase carbon nitride is stable in property, large in specific surface area and rich in sp2 hybridized nitrogen atoms, so that the specific surface area of the graphite-phase carbon nitride is increased, and the specific surface area of the graphite-phase carbon nitride is increased. The nitrogen source has relatively high electronegativity and zinc affinity, generates an adsorption effect on zinc ions, forms a Zn-N bond, can promote nucleation of the zinc ions and reduce a nucleation barrier of Zn < 2 + > ions, and the carbon nitride coating is loose and porous in structure, is not stable enough in structure and is easy to fall off from the surface of an electrode in the charge-discharge cycle process of the battery, so that the performance of the battery is improved. According to the invention, the zinc titanate coating is arranged on the surface of the carbon nitride coating, and the zinc titanate coating with a compact structure can effectively prevent the carbon nitride coating from being in direct contact with an electrolyte, so that the cycling stability of the battery is effectively improved.

The invention discloses a novel hydrogen sulfide donor, a preparation method and application of the novel hydrogen sulfide donor in preparation of drugs for treating inflammatory diseases, and belongs to the technical field of biological medicines. The hydrogen sulfide donor comprises hydrogen sulfide synthetase, a drug carrier loaded with the hydrogen sulfide synthetase, and a functional coating coated outside the drug carrier. The drug carrier is a metal organic framework material, a polymer nano material, a liposome material, an exosome material or a hydrogel material, and can provide protection, slow release, enrichment and other functions for biological enzyme according to the characteristics of different inflammatory diseases. The functional coating is a surfactant, a polymer, an edge active agent, a biological membrane or a lipid double layer, and is used for improving the physicochemical properties of the drug carrier, so that the drug carrier is further endowed with special properties such as in-vivo targeting, long circulation, transdermal drug delivery and the like. According to the invention, an accurate, safe and lasting hydrogen sulfide supply means is realized, and the method has a wide application prospect. And a new treatment thought and strategy are expected to be provided for treatment of inflammatory diseases.

The invention discloses a lactobacillus helveticus strain (Lactobacillus helveticus) and an application of the lactobacillus helveticus strain (Lactobacillus helveticus). The lactobacillus helveticus strain is named as C52, and the microbial preservation number of the lactobacillus helveticus strain is CGMCC (China General Microbiological Culture Collection Center) No. 30336. Researches show that the C52 strain has unique anti-inflammatory and anti-infection dual characteristics and also has the characteristics of acid resistance, cholate resistance and the like, and acute or chronic intestinal inflammation reaction caused by diarrhetic virus infection and diarrhea or death caused by the acute or chronic intestinal inflammation reaction can be inhibited only by oral administration of the C52 strain, so that the death rate is reduced. The novel lactobacillus helveticus strain C52 disclosed by the invention can be used as a probiotic strain to be added into feed and medicines, so that the anti-inflammatory and anti-infection capabilities of animals, especially the intestinal inflammation resistance and the intestinal infection resistance, are improved. The lactobacillus helveticus C52 strain with unique anti-inflammatory and anti-infection dual characteristics is expected to be used as an auxiliary treatment preparation for intestinal inflammation and infection, and particularly has a better protection effect when resisting and reducing intestinal acute inflammation, diarrhea and death caused by bacterial or virus infection.

The invention provides a preparation method of a diaphragm-free all-solid-state battery, and belongs to the technical field of solid-state batteries, and the preparation method comprises the following steps: S1, coating the surface of a positive current collector with positive slurry to obtain a positive plate; s2, coating the surface of the positive plate with acting slurry to form an acting layer; the acting slurry comprises the following components in percentage by mass: 15-18% of lithium niobate, 5-6% of nano aluminum oxide, 3-5% of a binder and the balance of a solvent; s3, coating the surface of the acting layer with electrolyte slurry to form a semi-solid electrolyte; the electrolyte slurry comprises the following components in percentage by mass: 5-7% of porous carbon coated alumina particles, 7-9% of a binder and the balance of electrolyte; s4, the surface of the semi-solid electrolyte is coated with negative electrode slurry, then a negative current collector is added, the surface is pressurized by 450-650 N / m < 2 >, heating treatment is conducted for 12-15 h at the temperature of 80-100 DEG C in an inert environment, and a battery cell body is obtained; and S5, packaging, compacting and sealing the battery core body to obtain the diaphragm-free all-solid-state battery. According to the invention, the cycle life of the prepared diaphragm-free all-solid-state battery can be prolonged.

The invention discloses withanolide active components in calyx seu fructus physalis as well as an extraction method and application thereof, and the extraction method comprises the following steps: crushing the calyx seu fructus physalis, soaking the calyx seu fructus physalis by adopting an ethanol solution with the volume percentage of 0-75% as an extracting agent, and performing reflux extraction to obtain an extracting solution; refining and concentrating the extracting solution to obtain a calyx seu fructus physalis extract; enabling the calyx seu fructus physalis extract to pass through a macroporous adsorption resin column, and carrying out gradient elution by taking an ethanol solution with the volume fraction of 0-100% as an eluent; in the elution process, a high performance liquid chromatography is combined with an ultraviolet detector and an evaporative light detector to analyze the eluent of each gradient so as to determine the elution volume of the ethanol solution of each gradient, and the effluent of the 50%-80% ethanol solution is collected to obtain the withanolide active components. According to the present invention, HPLC, ELSD, in vitro drug activity detection and other methods are combined, and the preparation process with characteristics of high yield, low cost and high safety coefficient is designed to be suitable for industrial production.

The invention discloses a straw powder filled biodegradable composite material and a preparation method thereof, and relates to the technical field of biodegradable composite materials, the preparation method of the biodegradable composite material comprises the following steps: S1, pretreating straw; s2, impurities are removed through winnowing; s3, removing magnetic impurities; s4, cleaning and drying; s5, performing high-pressure steam treatment; s6, drying in the oven and crushing again; s7, adding into a high-speed mixer and mixing; s8, extruding the biodegradable composite material, and cooling and shaping the biodegradable composite material; and S9, cutting and polishing are conducted, and performance testing is conducted. The biodegradable composite material is prepared from agricultural waste, waste accumulation is reduced, sustainable development is promoted, the straw powder filled biodegradable composite material has biodegradability, high strength and good processability, and the straw powder filled biodegradable composite material is suitable for large-scale production. The problems of reducing agricultural wastes, enhancing mechanical properties and environmental protection performance, improving processability and reducing raw material cost can be solved.

A preparation method and application of a zinc phosphate film, which belongs to the field of metallic zinc negative electrodes of aqueous zinc ion batteries. The present invention aims to solve the problem that the artificial protective layer constructed on the surface of the existing zinc negative electrode has uneven thickness and is difficult to reach the nanometer level, or it is difficult to control the thickness of the interface protective layer. Preparation method: Add a zinc sulfate aqueous solution into a reaction container, drip a dodecyl phosphoric acid / chloroform solution on the surface of the zinc sulfate aqueous solution, and then inject a sodium phosphate aqueous solution, let it stand at room temperature, and obtain a zinc phosphate film at the interface between air and liquid; Application: The zinc phosphate film is used as an interface protective layer of the zinc negative electrode in an aqueous zinc ion battery. The present invention is used for a preparation method and application of a zinc phosphate film.

The invention belongs to the technical field of handmade soap, and particularly relates to an antibacterial handmade soap formula of ganoderma lucidum enzymatic hydrolysate, which is prepared from the following raw materials in percentage by mass: 14-20% of ganoderma lucidum enzymatic hydrolysate, 50-65% of coconut oil, 3-7% of sodium hydroxide, 14-20% of distilled water, 1-3% of tea tree oil, 1-3% of unsaturated lipoglycerin and 0.1-0.3% of vitamin E, an extraction method of the lucid ganoderma enzyme dissolving solution comprises the following steps: putting raw material lucid ganoderma into a cleaning machine, cleaning, airing the cleaned lucid ganoderma, crushing into powder, putting pure water into the lucid ganoderma powder according to a ratio of 1: 10, and uniformly stirring. The composition can resist bacteria, moisten, repair and resist oxidation, the ganoderma lucidum enzymatic hydrolysate and the tea tree oil provide a natural antibacterial effect and prevent skin infection, the ganoderma lucidum polysaccharide and the ganoderma lucidum saponin promote collagen generation, balance skin color, resist oxidation and delay senescence, the composition does not contain synthetic perfume and preservatives, is suitable for sensitive skin, and adopts modern enzymolysis and sterilization technologies, so that the composition is safe and reliable. High efficiency and stability of products are ensured.

The invention relates to application of chenodeoxycholic acid or pharmaceutically acceptable salt thereof in preparation of a medicine for treating acne. The chenodeoxycholic acid disclosed by the invention can be a natural organic compound or a synthetic organic compound, has relatively strong propionibacterium acnes inhibitory activity and a pharmacodynamic effect of resisting lipid secretion, and is used as an active component to be prepared into a pharmaceutical composition for treating acnes together with a pharmaceutically acceptable carrier.

The invention belongs to but is not limited to the technical field of agricultural product storage, and discloses a mutton quality improving and gradient processing storage method which comprises the steps of cold storage, ice temperature and freezing storage. A modified atmosphere fresh-keeping packaging method; applying a natural biological fresh-keeping technology; and carrying out full-chain storage management. Through comprehensive application of cold storage, ice temperature and freezing in combination with a modified atmosphere fresh-keeping packaging technology, the storage time of the mutton is remarkably prolonged, and meanwhile the excellent quality of the mutton is kept. The cold storage and ice temperature technology effectively inhibits the growth and enzymatic reaction of microorganisms, delays the oxidation process of the mutton, and maintains the color, texture and flavor of the mutton; the quick freezing and ultrasonic unfreezing technology is adopted, so that the damage to the cell structure of the mutton in the freezing and unfreezing process is reduced to the maximum extent. By optimizing the unfreezing process, juice loss is reduced, the unfrozen mutton still keeps good texture and taste, and the problem of quality loss in a traditional method is solved.

The utility model relates to the field of edible oil preparation, and discloses a device for preparing flavored vegetable oil, which comprises a crude oil degassing unit, a flavor substance extraction unit and a flavored vegetable oil mixing unit which are communicated in sequence, wherein the flavor substance extraction unit comprises an evaporation system, and the evaporation system is used for separating a gas-phase material containing flavor substances from the degassed crude oil; and the vacuumizing system is used for providing a vacuum environment for the evaporation system and extracting the gas-phase material containing the flavor substances from the evaporation system. By adopting the device provided by the utility model, the oxygen concentration and the distillation temperature in the crude oil in the flavor substance extraction process can be reduced, the oxidation and thermal decomposition reaction of impurities such as phospholipid and free fatty acid in the crude oil at high temperature are inhibited, and the generation of secondary products is reduced; when the product is added into refined vegetable oil to produce refined vegetable oil rich in flavor, quality reduction of oil products caused by excessive increase of peroxide value and anisidine value can be avoided.

The present application belongs to the technical field of biological oil catalytic hydrogenation, and particularly relates to a bio-based oil-soluble molybdenum catalyst, a preparation method and application thereof. The preparation method of the bio-based oil-soluble molybdenum catalyst provided by the present application comprises: mixing a molybdenum source, a bio-based linear organic acid with a carbon atom number of 16 or more and an additive, heating and reacting, and separating to obtain the bio-based oil-soluble molybdenum catalyst; the additive is selected from at least one of tetrahydro naphthalene and decahydro naphthalene. The bio-based oil-soluble molybdenum catalyst green material obtained by the present application has optimal activity and high dispersibility when used, can realize more sufficient mixing with raw materials, forms nano high-dispersed molybdenum sulfide through sulfuration, and realizes high-efficiency hydrogenation refining of oil products through the joint action of hydrogen and sulfur, while reducing the sulfur, oxygen and metal residues in the product oil.