20results about How to "Realize large-scale production" patented technology

The invention discloses a traditional Chinese medicine tea drink for preventing and treating oral mucosa diseases and a preparation method of the traditional Chinese medicine tea drink. The traditional Chinese medicine tea drink is prepared from 10-15 parts of radix astragali, 8-12 parts of radix codonopsis, 6-10 parts of radix salviae miltiorrhizae, 5-9 parts of radix angelicae sinensis, 3-6 parts of fructus psoraleae, 6-9 parts of rhizoma polygonati, 6-9 parts of radix adenophorae, 6-10 parts of rhizoma atractylodis macrocephalae, 5-9 parts of radix ophiopogonis, 3-5 parts of radix glycyrrhizae, 4-6 parts of pericarpium citri reticulatae and 5-8 parts of herba taraxaci. Aiming at the core pathogenesis of low immunity, long-term deficiency, long-term deficiency and kidney-yang insufficiency of patients suffering from oral mucosa diseases, qi tonifying, blood activating and kidney-qi strengthening are taken as a core treatment method, the formula is scientific and reasonable, all the medicinal materials act synergistically, the overall immune function of the body is adjusted, T lymphocyte subpopulation imbalance and cell factor network disorder are improved, and the curative effect is good. The oral mucosa microcirculation is improved, local inflammation is relieved, the immunity of a patient is improved fundamentally, the recurrence rate of oral mucosa diseases is reduced, and the problems that an existing tea drink is not high in pertinence and limited in curative effect are solved. The tea drink is appropriate in taste, good in compliance, high in safety and suitable for people with various oral mucosa diseases and low immunity.

The application provides a layered preparation method and system of a diamond heat sink sheet, and the method comprises the following steps: preparing a crystal direction anchoring microstructure on a growth surface of a substrate and a moment buffer layer on a non-growth surface; obtaining a first layer of diamond through crystal direction anchoring, and generating a reverse moment on the growth surface through the moment buffer layer; removing surface defects on the diamond surface to form an atomic level step; depositing a liquid metal on the atomic level step for stress release, and then removing the liquid metal; continuously growing a second layer of diamond, and accurately controlling the stress state of the second layer of diamond; and cooling to obtain a crack-free diamond heat sink sheet. Through the synergistic process design of the diamond layering construction and the reverse moment buffer, the application blocks the path of stress accumulation and crack initiation and expansion, effectively solves the cracking problem in the preparation process of the diamond heat sink sheet, balances the process feasibility and the product performance stability, greatly improves the yield and the structural integrity of the diamond heat sink sheet, and reduces the production cost.

This application relates to the field of oxide target technology, specifically disclosing an ITZO target and its preparation method. The preparation method of the ITZO target includes the following steps: applying an In-containing... 3+ Sn 4+ Zn 2+ A complexing agent is added to the solution to obtain a mixed solution; the mixed solution is then added dropwise to an ammonia solution and aged to obtain a precursor precipitate; the precursor precipitate is then subjected to spray pyrolysis, cold isostatic pressing, and warm isostatic pressing to obtain an ITZO preform; the ITZO preform is then subjected to programmed temperature calcination and programmed temperature cooling to obtain an ITZO target. This application obtains a uniformly composed and highly dense ITZO target by dynamically controlling the composition of the mixed gas during the programmed temperature cooling process through two static pressing treatments; using this target, a transparent conductive film with high visible light transmittance and excellent electrical properties can be prepared by sputtering, solving the technical problems of uneven composition, low density, and poor quality of sputtered films in existing targets.

This invention relates to an electroactive porphyrin-based conjugated microporous polymer material, its preparation method, and its applications. The porphyrin-based conjugated microporous polymer is obtained from raw materials containing porphyrin-based monomers and aromatic amine monomers through a coupling reaction. The electroactive porphyrin-based conjugated microporous polymer material of this invention exhibits excellent electrochemical performance as an electrode material. Lithium-ion capacitors constructed using this material possess characteristics such as high specific capacitance, high energy density, fast charging rate, and long cycle life. This invention has good application potential in lightweight, high-specific-energy, fast-charging energy storage devices.

This utility model discloses a bending die for enclosed workpieces, comprising a first upper die body, a second upper die body, and an upper die pressure beam. The first upper die body is located on the upper left side of the upper die pressure beam, and the second upper die body is located on the upper right side of the upper die pressure beam, and are connected to the upper die pressure beam via a hinge. The first upper die body, the second upper die body, and the upper die pressure beam enclose an interference-free space for forming enclosed workpieces. Simultaneously, the hinge allows the second upper die body and the upper die pressure beam to be separated, and also allows the upper die pressure beam to rotate around the hinge, thereby facilitating the removal of the formed enclosed workpiece. This utility model not only improves the convenience and efficiency of production operations but also facilitates large-scale production.

This invention discloses an antioxidant peptide derived from deep-sea cold seeps and its applications, belonging to the fields of bioinformatics, development of microbial resources in extreme environments, and antioxidant peptide technology. The antioxidant peptide CSAOP4 obtained by this invention originates from a high-salt, low-temperature, high-pressure, oligotrophic environment, exhibiting excellent stability and activity. Adding 0.1 mg / mL of this antioxidant peptide resulted in an ABTS free radical scavenging rate of 44.45%, significantly superior to CSAOP1, CSAOP2, and CSAOP3 (ABTS free radical scavenging rates of 7.32%, 15.14%, and 27.71%, respectively). It is suitable for cosmetic production processes and can be mass-produced through solid-phase synthesis, offering simple preparation and high cost-effectiveness. This deep-sea cold seep antioxidant peptide is suitable for application in the cosmetic field, significantly extending the shelf life of cosmetics and reducing the risk of oxidative deterioration, showing broad application prospects.

The application discloses a preparation method of a copper-cobalt-doped carbon nitride electrocatalyst, and a product and application thereof. The copper-cobalt-doped carbon nitride electrocatalyst is prepared by taking 3-amino-1,2,4-triazole as a precursor, 1,10-phenanthroline as a ligand, and a copper source and a cobalt source as metal sources, and has a C3N5 carrier and Cu / Co dispersed in the carrier. The catalyst has rich active sites and excellent conductivity, and through the synergistic effect of copper and cobalt, the hydrogen evolution side reaction is inhibited, and the activity, selectivity and stability of the electrocatalytic reduction of nitrate to produce ammonia are improved. The problems of low activity, low faradic efficiency, poor stability and high cost of the existing electrocatalytic nitrate reduction ammonia catalyst are effectively solved. The preparation method adopts a non-noble metal + non-metal substrate, raw materials are easy to obtain, the preparation process is simple, and the cost is low, and thus the method can realize large-scale production. The obtained catalyst is suitable for the field of electrocatalytic reduction of nitrate to produce ammonia, can realize water nitrate pollutant treatment and high-value ammonia resource recycling, and has dual benefits of environmental protection and economy.

This invention provides a horse chestnut tiglyl-CoA ligase gene. AcCCL3 This invention relates to the AcCCL3 protein and its applications, belonging to the field of gene technology. For the first time, this invention has identified and verified the key enzyme gene responsible for the biosynthesis of tigrazol-CoA in horse chestnut. AcCCL3 This invention provides a complete analysis of its biosynthetic pathway, filling a knowledge gap in this field. It can be based on... AcCCL3 This gene, through synthetic biology strategies and an engineered system, has achieved the synthesis of tiglyl-CoA, completely eliminating reliance on traditional, complex, and demanding chemical synthesis routes. This significantly reduces production costs from the source, enabling large-scale production and successfully solving the core challenge of large-scale, stable preparation and supply of tiglyl-CoA. It also breaks through the key precursor constraints that have hindered the biosynthetic research, drug development, and industrial production of a series of high-value aescin compounds, represented by aescin A.

The application discloses a high-sensitivity up-conversion luminescence speed sensing material and a preparation method and application thereof, and belongs to the technical field of rare earth luminescent materials. The chemical general formula of the material is NaRe(MoO4)2:xEr 3+ ,yHo 3+ , wherein Re represents one of Y, La, Gd and Lu, x is the molar doping amount of Er 3+ , y is the molar doping amount of Ho 3+ , and 0.20<=x<=0.80 and 0.02<=y<=0.08. The application utilizes the strong coupling effect of the intermediate state of Er 3+ and Ho 3+ , significantly improves the response of the Er 3+ activated NaRe(MoO4)2 green and red light emission intensity ratio to speed, and realizes a maximum relative sensitivity of 2.01 h / km. The material has a simple preparation process, excellent chemical stability, can be widely applied to speed detection of mechanical rotation, fluid motion and the like, and has a broad application prospect.

The present invention relates to the technical field of recombinant protein design and synthesis, and specifically discloses a recombinant spider silk protein and its synthesis method. The recombinant spider silk protein provided by the present invention undergoes optimized design such as replacement of the N-terminal and C-terminal domains of different spider species and different spider silk types, and large fragment recombination of the middle functional domain repeat sequences. A series of recombinant spider silk proteins are obtained through cell-free protein synthesis methods and prokaryotic fermentation expression. Compared with natural spider dragline silk proteins or other existing recombinant spider silk proteins, they generally have good composite mechanical properties and high-temperature resistance characteristics. At the same time, they have a relatively small molecular weight, significantly improving the total expression level and soluble expression, providing new raw materials and design and synthesis methods for the development of high-performance biomaterials.

This utility model relates to the field of fermented soybean paste processing technology, specifically a drying yard with a dust-proof structure, including a preparation area component, and a drying area component installed on the right side of the preparation area component. The improved drying yard has a light-transmitting film on the outer walls of the first support frame, the first crossbeam, the second support frame, and the second crossbeam, allowing the drying yard to be enclosed without blocking sunlight. The shading cloth is adjusted using pulleys, belts, and fixing blocks, and the indoor temperature is regulated by installed ventilation fans and dust filters, reducing temperature fluctuations and preventing the entry of dust, flying insects, and other contaminants. Furthermore, changing cabinets are provided to reduce the amount of external contaminants brought in by workers, further reducing hygiene hazards during the sauce production process and lowering food safety risks. At the same time, the enclosed drying yard is less affected by weather conditions, enabling large-scale production, improving production efficiency, preventing excessive moisture evaporation, and ensuring more uniform fermentation of the sauce.

This invention discloses a method for continuous heat treatment and leveling of ultrathin aluminum-based composite material sheets. The method includes hot-plate pressing, cold-plate pressing, leveling with a leveling machine, and stress-relief pitting. Specifically, the sheet is heat-treated using hot and cold plate pressing, with controlled holding pressure, temperature, and time. It is then transported by conveyor belt and immediately leveled using a high-precision CNC leveling machine. The flatness of the sheet is controlled by adjusting the roller spacing. Finally, pitting is applied to the surface of the sheet using a punch press to eliminate internal stress. This method solves the problem of warping and twisting of workpieces caused by internal material stress during processing. The resulting ultrathin sheet has a smooth shape, good flatness, and is free from wavy edges, twisting, wrinkles, and warping.

The application provides a kind of anti-freezing high-performance concrete for building 3D printing and a preparation method thereof, the concrete contains cement 80-100 parts by mass, fly ash 80-100 parts, slag powder 220-270 parts, silica fume 15-30 parts, fine aggregate 1200-1500 parts, and polycarboxylic acid high-performance water reducing agent, thickening agent, polypropylene fiber and / or modified cellulose ether, water-binder ratio 0.55~0.67, fine aggregate is natural sand, granite waste sand or mixture thereof, replacement rate 0%~100%. During preparation, accurate measurement, dry mixing, solution preparation, wet mixing fluidization, high-speed slurry, printing forming and moisture curing are carried out. The application adopts microstructure self-optimization active anti-freezing design, without coarse aggregate, which greatly reduces carbon emission, the anti-freezing grade of concrete reaches F125-F150, with excellent printability and mechanical properties, without printing head blockage problem, the preparation process is controllable, and is suitable for building 3D printing engineering in cold and seasonal freeze-thaw areas.

This invention relates to the field of antimicrobial peptide technology, and particularly to the antimicrobial peptide Ple-AB, its preparation method, and its applications. Using the fungal defensin Plectasin as a template, this invention designs and modifies the antimicrobial peptide Ple-AB. Compared with Plectasin, this antimicrobial peptide exhibits significantly higher antimicrobial activity and better bactericidal effects against Gram-positive bacteria; it also shows higher stability, particularly excellent resistance to trypsin; and its fermentation expression level is significantly improved. Furthermore, this antimicrobial peptide has very low hemolytic activity and cytotoxicity, making it suitable for development in antimicrobial drugs, additives, cosmetics, health products, and other fields, with broad application value and market prospects.

The present application relates to the technical field of medical polymer materials, in particular to a medical adhesive tape based on low-sensitization acrylate medical adhesive and a preparation method thereof, the medical adhesive tape is composed of 65-78% low-sensitization acrylate adhesive main body, 15-22% medical-grade breathable non-woven fabric substrate, 5-8% medical silicone release layer, 1.5-3% low-sensitization soothing auxiliary agent, 2-4% hydrogenated rosin tackifying resin, 0.3-0.8% multifunctional crosslinking agent and 0.1-0.5% low-temperature initiator by weight percentage; the adhesive main body is a ternary copolymer system, and the copolymer glass transition temperature is accurately controlled to be 243-253 K. The medical adhesive tape is prepared by low-temperature solution polymerization, low-sensitization modification, high-pressure micro-perforation coating and three-stage curing and sterilization process, has a peel strength of 1.0-2.5 N / 25 mm, a holding time of ≥24 h and a skin sensitization reaction grade of ≤ grade I, and has low sensitization, stable adhesion and high breathability, and can meet the use requirements of various medical fixation scenes in clinical applications.

This invention discloses a method for preparing monolithic SiC nanowire aerogels via in-situ carbothermal reduction, as well as the SiC nanowire aerogels prepared by this method and their applications, belonging to the field of advanced ceramic materials and aerogel preparation technology. This method uses biomass-derived cellulose fibers as the carbon source and three-dimensional template, silica nanoparticles as the silicon source, and NH4Cl as a volume shrinkage inhibitor. Through precursor preparation, freeze-drying, carbothermal reduction, and post-treatment steps, the controllable preparation of monolithic SiC nanowire aerogels is achieved. This invention features a simple, green, and economical process, is easily scalable, and allows for near-net-shape forming of complex shapes through mold design. The prepared aerogel has a three-dimensional interwoven nanowire network structure with a porosity as high as 99.7% and a thermal conductivity as low as 0.045 W / (m·K). It also exhibits excellent superelasticity, high-temperature stability, and high-efficiency oil absorption capacity, making it suitable for applications such as aerospace high-temperature insulation, energy system protection, and oil pollution treatment.

This invention relates to the technical field of functional textile materials and electromagnetic shielding materials, specifically to a method for preparing a flexible meltblown fabric microwave absorbing material, overcoming the shortcomings of traditional microwave absorbing materials such as rigidity, heaviness, and poor flexibility. Using polypropylene meltblown fabric as a flexible matrix, surface adhesion is improved through dual pretreatment of ultrasonic cleaning and plasma modification. Ni-Zn ferrite is used as a single absorbing agent, and a uniform and stable absorbing slurry is prepared through coupling modification, ball milling, high-speed stirring, ultrasonic dispersion, and secondary high-speed stirring dispersion processes. This slurry is then subjected to ultrasonic-assisted impregnation and curing. The microwave absorbing material prepared by this invention exhibits excellent absorption performance in the Ka band (26.5~40GHz), with a minimum reflection loss of -18dB and an effective bandwidth of 6.5GHz, while maintaining the lightweight and flexible characteristics of meltblown fabric. The process is simple, controllable, and scalable, and can be widely applied in wearable electronics, electromagnetic shielding, and other fields.

The application provides a preparation method of nanocellulose-based composite thermal insulation material and application thereof. The method first prepares a GO-NC-Ce hybrid dispersion liquid through ultrasonic-assisted self-assembly; then, a flexible polymer is used as a matrix, carbon nanotubes, pre-dispersed aerogel particles, phase change microcapsules, a phase change energy storage framework and a composite foaming system are added, and a multifunctional composite slurry is prepared through high-speed shearing and vacuum degassing; subsequently, a gradient ice crystal template is formed through a freeze-drying technology by controlling a freezing rate, and a foaming body with a gradient pore structure of a bottom layer, a main body layer and a surface layer is obtained after sublimation of the ice crystal; finally, a surface layer slurry containing sepiolite fibers, nanometer titanium dioxide and a hydrophobic agent is sprayed on the surface of the foaming body and solidified to obtain the composite thermal insulation material. The obtained material has controllable porosity and excellent heat insulation performance, and is suitable for the field of wearable textile thermal insulation.

The present application relates to nitrogen-doped biochar supported copper sulfide composite material and its preparation method and application, and belongs to the technical field of water pollution control. The nitrogen-doped biochar supported copper sulfide composite material can be used to activate persulfate to degrade organic pollutants in water, can significantly improve the catalytic degradation performance of biochar material, optimize the non-radical pathway of generating singlet oxygen and the radical pathway of generating sulfate radicals, hydroxyl radicals and superoxide radicals by activating peroxymonosulfate, and ultimately achieve the purpose of efficient synergistic degradation of organic pollutants. The composite material can realize the resource utilization of wheat straw and the efficient removal of dyes in water, achieving the purpose of waste treatment. The catalytic material is simple to prepare, the raw materials are cheap, and industrialization is easy to realize. The organic matter removal efficiency is high, storage and addition are convenient, the pH range of wastewater is wide, and the catalytic material has great potential and wide application prospect in the field of dye wastewater treatment.

The utility model discloses a disc buckle manufacturing mould, which solves the technical problem of low production efficiency and dependence on manual experience in the existing disc buckle strip bending and shaping process and can realize mechanization and low-threshold batch production of the disc buckle strip bending and shaping process.