10results about How to "Simple conditions" patented technology

The application provides a modified polyethylene oxide solid electrolyte and a preparation method and application thereof, and the preparation method comprises the following steps: (1) mixing polyethylene oxide, a reducing agent and a solvent to obtain a polyethylene oxide mixed solution; (2) after the polyethylene oxide mixed solution is heated to a reaction temperature, an initiator solution and a negative electrically active monomer are respectively added dropwise into the heated polyethylene oxide mixed solution to obtain the modified polyethylene oxide solid electrolyte. The polyethylene oxide is modified in the application, a branched component is introduced, and the intermolecular hydrogen bond effect is destroyed, so that the crystallinity of the polyethylene oxide can be reduced, and the ionic conductivity of the polyethylene oxide is improved.

The invention discloses heat-resistant glucose dehydrogenase and application thereof in an enzyme fuel cell, and belongs to the crossing field of bioelectrochemistry and new energy technologies. According to the invention, firstly, a heat-resistant glucose dehydrogenase TeGDH is screened, and the heat-resistant glucose dehydrogenase TeGDH is subjected to heterologous expression in escherichia coli BL21 (DE3) and shows good heat stability and catalytic activity; teGDH is dissolved in an anolyte containing an electron mediator anthraquinone-2, 6-disulfonic acid disodium salt, and the heat-resistant high-energy enzyme fuel cell is prepared by adopting a non-immobilized system; the maximum power density of the battery at 50 DEG C reaches 1.74 mW / cm, and the battery has good thermal stability and long-term operation performance; the invention combines big data mining, enzyme engineering and electrochemical technologies, provides a novel enzyme fuel cell solution with high activity, high stability and low cost, and has a good application prospect.

The application belongs to the technical field of organic synthesis and particularly relates to a preparation method of riboprine. The method comprises the following steps: starting from a key intermediate (1S, 5R)-1-(3-fluorophenyl)-3-oxabicyclo[3.1.0]hexan-2-one, hydrolysis is performed to form an open ring compound, then a protecting group of a hydroxyl group is introduced under alkaline conditions; then, reduction is performed on a carboxyl group to form a hydroxyl compound, an intermediate compound is generated by introducing a leaving group and then reacting with 2, 4-dimethyl-5-hydroxypyrimidine, the protecting group is removed to expose the hydroxyl group, oxidation is performed to form a carboxyl compound, and finally, acid-amine condensation reaction is performed on 2-amino-5-fluoropyridine to generate riboprine. The preparation method provided by the present application is simple in operation, high in yield and suitable for industrial production of riboprine.

The application provides an extraction method of high-purity type I collagen, and belongs to the technical field of biomedical materials. The application realizes efficient and stable extraction of type I collagen by accurately selecting process conditions, significantly improves the purity and extraction efficiency of the target product, and the obtained collagen has complete three-dimensional structure, extremely low impurity residue and water content, greatly improves the biocompatibility and storage stability of the product, the method is simple in process, easy to control in condition, does not need complex large-scale equipment, is suitable for large-scale production, provides a reliable high-quality raw material source for high-end implant medical devices, and expands the application prospect of collagen in the field of biomedicine.

This invention relates to the field of organic materials technology, specifically to a metal-organic framework (MOF), its preparation method, and its applications. The MOF is a CuBaTi MOF; wherein the MOF has a layered and porous structure; the CuBaTi MOF is modified with a surfactant; and the CuBaTi MOF is composited with mineral components. This MOF can effectively inhibit bacteria and adsorb ethylene. When made into an antibacterial film, it can not only preserve and inhibit bacteria in fruits and vegetables, delaying ripening and spoilage, but also possesses good mechanical properties. Furthermore, the preparation method of this MOF is simple, convenient, low-cost, and environmentally friendly, showing broad application prospects.

This invention discloses a purification method for 2,5-furandicarboxylic acid, comprising the following steps: 1) Pre-treating the crude FDCA to be purified to obtain a pre-treated FDCA salt solution for later use; 2) Adjusting the pH of the pre-treated FDCA salt solution obtained in step 1) with dilute acid until the pH value is 4-5, then adding activated carbon to a beaker for decolorization and impurity removal, and filtering the solution in the beaker after treatment to obtain the FDCA salt solution; 3) Slowly adding strong acid to the FDCA salt solution obtained in step 2) while stirring until the pH value of the solution is <1, then filtering the reacted material to obtain a solid precipitate, washing the solid precipitate with deionized water, and drying it to obtain purified FDCA. The process of this invention is simple, carried out under normal temperature and pressure conditions, has high purification efficiency, and is suitable for large-scale scale-up and production.

The invention discloses a method for preparing ethanol through detoxification-free fermentation of furfural residues and application. The method comprises the following steps: S1, carrying out high-solid-content enzymolysis on acidic furfural residues which are not subjected to any detoxification pretreatment to obtain furfural residue enzymatic hydrolysate; s2, liquefying and saccharifying the waste starch to obtain a starch saccharification liquid; and S3, mixing the furfural residue enzymatic hydrolysate and the starch saccharification liquid in proportion, inoculating zymomonas mobilis, and carrying out co-fermentation to produce ethanol. According to the method, key technologies such as detoxification-free treatment, high-solid-content enzymolysis and co-fermentation with starch saccharification liquid are combined, and the steps of neutralization, water washing and deep detoxification which are necessary in a traditional process are thoroughly abandoned, so that the process is greatly simplified, water resources are saved, the treatment cost is reduced, and the problem of toxicity of inhibitors in raw materials is effectively solved. The method provides an efficient, economical and environment-friendly brand-new way for realizing high-valued resource utilization of the furfural residues and the waste starch.

The invention discloses a K / FeS / g-C3N4 / TiO2 (at) PVDF membrane for photocatalytic oxidation, a preparation method and application, through SO2 and CO2 generated by pyrolysis of K4 [Fe (CN) 6] and K2SO3, gaps are generated in a microstructure of g-C3N4, the specific surface area is higher, adsorption of organic pollutants is enhanced, the reaction rate is increased, a FeS / g-C3N4 / TiO2 heterojunction structure is constructed, and the photocatalytic oxidation performance of the membrane is improved. And carbon defects or nitrogen defects generated by K ionization are introduced into the structure, so that stable electron channel connection and light energy absorption and conversion paths are realized, the light response efficiency is improved, the recombination rate of photo-generated electron holes is reduced, and the free radical yield is improved. The membrane material is applied to a circulating aquaculture water body treatment system, odor substances are degraded through photocatalytic oxidation, and deep purification of water is achieved.

The application discloses a preparation method and application of a metal lanthanum doped coupling oxygen vacancy ruthenium oxide based monolithic electrode and belongs to the technical field of electrochemical materials. First, impurities on the surface of a metal conductive substrate or a carbon substrate are removed, then an aqueous solution containing a ruthenium salt and a lanthanum salt is prepared, the prepared solution is drop-coated on the metal conductive substrate or the carbon substrate under infrared lamp irradiation, drying is performed, and the prepared solution is calcined at 300-500 DEG C for 1-5 h in an oxidizing atmosphere; after cooling, the metal lanthanum doped coupling oxygen vacancy ruthenium oxide based monolithic electrode is obtained. The preparation method can prepare a non-supported monolithic ruthenium oxide based catalyst, the method has wide universality, the conditions are easy to control, and the method is easy to operate. The metal lanthanum doped coupling oxygen vacancy ruthenium oxide based monolithic electrode prepared by the method can be used as an anode material for an acid oxygen evolution reaction and has excellent performance and wide application prospect.

This application provides a method for preparing a multi-loaded epoxy resin composite material, belonging to the technical field of epoxy resin-containing compositions. Artemisia annua and bentonite are mixed evenly in ethanol, and after the reaction is complete, the mixture is cooled, centrifuged, and dried to obtain product one. Epoxy resin, curing agent, accelerator, and product one are mixed evenly, vacuum degassing is performed, and the resulting mixture is cured to obtain the finished composite material. The composite material prepared by the above method is used in high-end microelectronics packaging, aerospace, printing, biochemistry, and sensors, exhibiting advantages such as low nitriding rate, low water vapor permeability, and excellent antibacterial properties.