58results about How to "Produce efficiently" patented technology

According to the energy storage coupling heat pump steam generation method and system, the mode that the heat pump device and the energy storage device cooperatively operate is adopted, and efficient and economical steam supply is achieved. The method comprises the steps that high-temperature water is prepared and stored in the off-peak electricity period through the heat pump device, and the high-temperature water is further heated through the energy storage device to generate superheated steam for a user to use. The energy storage device comprises a plurality of energy storage modules, and a heat exchange pipeline of the energy storage device can be switched between a parallel connection mode and a series connection mode through switching, so that deep heat release and flexible regulation and control are achieved. According to the method, the energy storage capacity and heat release power of the energy storage module are dynamically adjusted, enthalpy increment distribution of the heat pump and the energy storage device is optimized in combination with load prediction, and diversified steam requirements are met. And meanwhile, preheating or dynamic supplement is conducted on the energy storage module through the heat pump device, waste heat recovery is achieved, and the energy efficiency is improved. According to the method, the operation cost is remarkably reduced, the capacity of the system for adapting to load fluctuation is enhanced, and the method is suitable for industrial steam use scenes and has the advantages of being efficient, stable and flexible.

The invention relates to the technical field of electrocatalytic oxidation and water treatment, in particular to a preparation method and application of an electric anode film capable of efficiently breaking and degrading a metal organic complex. The titanium dioxide nanotube array with ordered height grows on the porous foam titanium substrate in situ, so that the specific surface area is increased, and the service life is prolonged; by doping Ti < 3 + >, the defect that a traditional titanium dioxide nano array tube is poor in conductivity is overcome; meanwhile, lead dioxide is loaded to improve oxygen evolution reaction (OER) potential, OH is efficiently generated, and pollutants are thoroughly mineralized; ferric oxide is further introduced as an active doping agent, so that the leaching of Pb < 2 + > can be improved. Continuous flow stable operation is realized by virtue of a porous film-shaped structure of a porous titanium substrate, the contact oxidation efficiency of pollutants on an anode film interface is increased, and the problem of limited mass transfer of the pollutants is solved; the electric anode film can realize complex breaking and degrading effects on a metal organic complex.

The invention discloses a photoresist composition and a patterning method thereof, the photoresist composition comprises an organic solvent, a free radical photoinitiator, a co-initiator and a film-forming monomer, the film-forming monomer is metal oxygen cluster and metal oxide nanoparticles, the mass percentage content of the film-forming monomer is 1-30%, the mass percentage content of the co-initiator is 1-30%, and the mass percentage content of the film-forming monomer is 1-30%. The mass percentage content of the free radical photoinitiator is 0.01%-3%, the mass percentage content of the auxiliary initiator is 0-10%, and the mass percentage content of the organic solvent is 57%-98.99%. According to the photoresist composition introduced with the free radical photoinitiator, free radicals are efficiently generated under illumination, cross-linking polymerization of double bonds on the surfaces of metal oxygen clusters and metal oxide nanoparticles is promoted, the photosensitive performance is greatly improved, excellent sensitivity is shown in extreme ultraviolet, electron beams and visible light (within the light source range of 250-600 nanometers), and high-precision photoetching patterning is achieved.

The invention discloses a method for realizing precise green restoration of environmental heavy metal pollutants by coupling a heavy metal sensing module and an aerobic sulfate reduction module. The method comprises the following steps: constructing an aerobic sulfate reduction pathway by heterologous reconstruction of cysteine feedback inhibition-resistant serine acetyltransferase and cysteine desulfylase, putting the aerobic sulfate reduction pathway under the control of a sensing module composed of heavy metal sensing protein genes, so as to construct a'sensing integration 'module, and transferring the'sensing integration' module into environmental microorganisms. The heavy metal in-situ remediation engineering strain is formed. When a specific heavy metal sensing module in the engineering strain recognizes heavy metal pollution, expression of an aerobic sulfate reduction module can be effectively started, so that heavy metal ions are converted into stable metal sulfide, and in-situ green low-carbon remediation of environmental heavy metal pollutants is realized. The genetic method disclosed by the invention is simple and efficient, saves the cost, can realize accurate perception and accurate control of environmental heavy metal pollution, and has important environmental protection application value.

The invention relates to the technical field of microorganisms, in particular to monascus for high-yield production of monascus and / or monascus flavin and application of the monascus, a new monascus strain with the preservation number of CGMCC NO.41335 and application of the new monascus strain in production of high-content monascus and / or monascus flavin and related products thereof. The strain is monascus purpureus ZYXQ-2206, can produce high-efficiency and non-toxic monascus and / or monascus flavin at high yield, and does not produce harmful and toxic components such as lovastatin and citrinin. Therefore, a monascus product produced by using the strain can effectively avoid safety risks, and has extremely high application prospects and market potential. By screening and optimizing a fermentation process, the invention provides the high-yield, non-toxic and high-functionality red yeast rice, and the red yeast rice has important application value in the field of development of lipid-lowering functional foods and nutritional health-care products.

The utility model provides a concrete admixture production sewage treatment system which comprises sewage treatment equipment, a PLC (Programmable Logic Controller) and an oxygen storage tank, the sewage treatment equipment is arranged outside a concrete admixture processing plant, and a sealing cover is arranged at the top of the sewage treatment equipment; a plurality of reaction areas such as a grating tank, a regulating tank, a sludge tank, a clean water tank, an oxidation tank, a coagulation reaction tank, a coagulation sedimentation tank, a secondary reaction tank, a secondary sedimentation tank, an intermediate tank I and an intermediate tank II are arranged in the device. According to the system disclosed by the utility model, a partitioned module design is adopted, different module functions can be flexibly customized and designed according to different water qualities, the applicability of the system is improved, and sewage treatment equipment is simple in structure, small in occupied area and low in cost. The sewage treatment equipment with integrated design and the internal treatment units are mutually connected, so that the connection of pipelines is greatly reduced, communication can be realized only by punching holes in the inner wall, and the sewage treatment cost is greatly saved.

A preparation method of a hyperelastic hydrophobic aerogel material comprises the following steps: (1) adding 2-5 parts of gelatin into every 100 parts of water, and heating and stirring until the gelatin is completely dissolved; (2) under a stirring condition, adding a surfactant into the gelatin aqueous solution obtained in the step (1), and continuously stirring and uniformly mixing; (3) stirring the mixed solution obtained in the step (2) at a high speed, so that a large number of microbubbles are generated in the solution, and the volume of the solution is enlarged by 3-9 times; (4) pouring the precursor solution obtained in the step (3) into a mold for freeze forming, and then freeze-drying in a freeze dryer to obtain gelatin aerogel; and (5) grafting silane to the surface of the aerogel obtained in the step (4) to obtain the hydrophobic aerogel oil absorption material. The aerogel oil absorption material is low in density, high in porosity, good in compression performance and large in oil absorption capacity and can be recycled, the recovery efficiency of spilled oil is greatly improved, and the treatment cost of the spilled oil is reduced.

The present disclosure provides an oxidization electrode for anion exchange membrane water electrolysis having low cost, high performance, and high stability. Specifically, an embodiment of the present disclosure provides an oxidization electrode for anion exchange membrane water electrolysis, comprising: a nickel metal; and a layered double hydroxide (LDH) with a monolayer structure containing nickel and iron and disposed on one surface or both surfaces of the nickel metal.

The present invention belongs to the technical field of biomedical materials, and specifically relates to a copper-doped mesoporous polydopamine nanoparticle and a preparation method and application thereof. 2+ The copper-doped mesoporous polydopamine nanoparticles (CMs) were prepared by using P‑123 and cyclohexane as the basic raw materials, and tumor cell membranes were further wrapped on the surface to construct multifunctional nano-diagnostic and therapeutic agents CMMs. The obtained CMMs can specifically recognize tumors and realize Cu in the tumor microenvironment. 2+ / Cu + It can efficiently convert GSH and produce a large amount of ·OH, and has ultra-high field T1-T2 dual-mode magnetic resonance imaging capability, which can accurately detect the chemodynamic treatment process of tumors through MRI signals; it shows good photothermal conversion ability under near-infrared light (NIR) irradiation, and can realize photothermal-promoted chemodynamic combined cancer treatment, providing a new reference for T1-T2 dual-mode MRI precise imaging visualization and combined treatment of tumors and other diseases.

The chemical structure generating device of the present invention comprises a generating unit and a control unit. The generating unit generates a product list consisting of one or more compounds based on a chemical reaction list and a reactant list consisting of one or more compounds. The control unit gives the product list to the generating unit as a new reactant list, updates a database having at least one of the reactant list and the product list, and causes the generating unit to generate a new product list based on the new reactant list and the chemical reaction list.

The invention discloses a nickel-doped resorcinol-formaldehyde resin photocatalyst and a preparation method and application thereof.According to the photocatalyst, the adsorption capacity of the surface of resorcinol-formaldehyde resin to oxygen is remarkably adjusted through nickel metal active sites, oxygen dissociation is inhibited, the conversion process of an intermediate to hydrogen peroxide is promoted, and the yield of hydrogen peroxide is increased. The selectivity of hydrogen peroxide is enhanced, in-situ decomposition of hydrogen peroxide is inhibited, and the performance of producing hydrogen peroxide is high and stable; the method is low in production cost, simple and convenient in one-step preparation process, easy to implement in practical application, low in product toxicity, mild in application environment and free of sacrificial agents, can efficiently produce hydrogen peroxide in purified water only through visible light irradiation, and has great application prospects.

To provide a method for producing a fluorinated copolymer, whereby it is possible to efficiently produce a fluorinated copolymer in which coloration and foaming are suppressed during heating. A method for producing a fluorinated copolymer, comprising a step of producing a fluorinated copolymer by polymerizing tetrafluoroethylene and other monomer other than the tetrafluoroethylene in the presence of a hydroperoxide, at least one selected from the group consisting of a sulfite, a hydrogen sulfite, a dithionite, and a metabisulfite, at least one selected from the group consisting of an acidic substance and a substance that generates an acid by hydrolysis, and an aqueous medium.

The invention discloses a novel synthesis method of a 4-aryl pyridine derivative. According to the method, in an organic solvent system, a 4-pyridyl phosphine salt derivative and an aryl alkoxy silane compound are used as raw materials, palladium salt is used as a catalyst, under the action of an activating agent and a phosphine ligand, heating reflux is performed under the stirring condition, reaction liquid is subjected to aftertreatment, and the 4-arylated pyridine derivative is obtained. The raw materials involved in the invention can be directly purchased or simply prepared, the post-treatment process flow is simple to operate, the risk of environmental pollution is avoided, and the product is easy to separate and purify. Related products can be provided for biological, medical and photoelectric functional materials and the like, and wide application value is achieved.

The invention relates to the technical field of oil and gas fracturing flow-back fluid treatment, and particularly discloses a boron-doped diamond electrode electrooxidation system and method for treating fracturing flow-back fluid. According to the method for treating the fracturing flow-back fluid, before the fracturing flow-back fluid enters an electrooxidation unit, sulfide is efficiently removed, poison and competitive oxidation of the fracturing flow-back fluid to an electrode are eliminated, a BDD electrode is protected, a foaming agent is synchronously removed through aeration enrichment, the problem of foam interference in the flow-back fluid treatment process is fundamentally solved, and continuous and stable operation of a system is guaranteed; after the electro-oxidation unit, active chlorine (pypocholoride / chlorine) is effectively removed and recycled, so that waste is treated by waste, the oxidation efficiency is improved, and the dosage of chemicals is reduced. Through the collaborative design, the interference and foam problems of sulfide with high chloride ion content and strong reducibility are collaboratively optimized, and the treatment efficiency, economical efficiency and stability of the system are integrally improved.

Provided is a method for introducing a point mutation to a BBD29_04920 gene coding sequence in Corynebacterium or improving the expression thereof. The point mutation causes a mutation to the base at position 1560 in the BBD29_04920 gene sequence from cytosine (C) to adenine (A) such that asparagine at position 520 of a coded corresponding amino acid sequence is substituted by lysine. The method can increase fermentation yield of glutamic acid in a strain with the mutation. Also provided are the bacterium generating L-glutamic acid, a nucleic acid and protein comprising the mutation, a recombinant vector and recombinant strain comprising the nucleic acid, and use of these biomaterials in the regulation of the production of L-glutamic acid of a microorganism.

The invention relates to the technical field of cabin fresh air ozone conversion, and discloses a cabin fresh air ozone conversion device and a using method thereof.The cabin fresh air ozone conversion device comprises a conversion barrel, ozone generation frames are fixedly installed in the conversion barrel, and composite net-shaped shells are fixedly installed in the ozone generation frames; an ozone generator is fixedly installed between the composite net-shaped shells, an ozone control box is fixedly installed on one side of the ozone generator, and a high-voltage electrode is fixedly installed in the ozone control box. The ozone generator is stably placed and used through the ozone generation frame, then the ozone generator is protected through the composite net-shaped shell, then the ozone generator is used for ozone conversion, and then the ozone generation concentration of the ozone generator is increased through cooperative use of the high-voltage electrode and the high-frequency power source; the ozone generator can efficiently generate ozone, so that the ozone concentration in the cabin is improved, and the use effect of the ozone generator in the cabin is improved.

This method includes a gas acquisition step (S1) of obtaining a gas containing a carbon oxide and hydrogen from a waste material from which methanol is to be produced and a conversion step (S6) of bringing at least a portion of the gas into contact with a catalyst to convert the portion of the gas into methanol in a gas phase, in which, in the conversion step (S6), the reaction is allowed to proceed by condensing a high-boiling-point component containing methanol obtained as the result of the conversion and water and then discharging the condensed product to the outside of a reaction system.

The utility model discloses a laser cutting machine cross beam which comprises a rectangular cross beam body, a circular through pipe is arranged in the cross beam body, a plurality of supporting ribs are fixedly connected to the outer wall of the circular through pipe, one end of each supporting rib is fixedly connected to the inner wall of the cross beam body, and dust collection holes are formed in the two sides of the bottom of the cross beam body. The dust collection holes are communicated into the circular through pipe in a penetrating mode, dust collection fans are installed at pipe openings in the left end and the right end of the circular through pipe correspondingly, and smoke dust filtering assemblies are arranged on one sides of the two dust collection fans correspondingly; due to the design of the circular through pipe embedded in the cross beam body and the dust collection holes, and the dust collection fan and the smoke dust filtering assembly which are installed at the pipe opening, smoke dust generated in the cutting process can be efficiently purified, the working environment is kept clean, and the influence on the health of an operator is reduced.

Provided are a recombinant strain with modified gene BBD29_14900, and a method for constructing the same and use thereof, with the production of L-glutamic acid as a specific application. Further provided is a method for introducing a point mutation into the BBD29_14900 gene coding sequence in Corynebacterium or improving the expression thereof. The method can cause a bacterial strain with the mutation to increase the fermentation yield of glutamic acid. The point mutation involves a mutation of the base at position 1114 in the sequence of the BBD29_14900 gene from guanine (G) to adenine (A), and thus a substitution of aspartic acid at position 372 in the coded corresponding amino acid sequence with asparagine.

Disclosed are: a method for producing a cell population containing regulatory T cells, the method comprising the step (1) of culturing a cell population containing pluripotent stem cell-derived CD4 + T cells in the presence of at least one substance selected from the group consisting of a CDK8 and / or CDK19 inhibitor, a TNFR2 agonist, an mTOR inhibitor, and a TGF-[beta] R agonist; a cell population containing regulatory T cells obtained by said method; and a drug comprising said population of cells comprising regulatory T cells.

The invention belongs to the technical field of databases, and particularly discloses a database association table test data generation method and device, and the method comprises the steps: obtaining an association field, a generation rule and a generation number of an association table main table; the association table is composed of at least two data tables; pre-generating initial test data of the associated field of the main table according to the generation rule and the generation quantity, and storing the initial test data into a pre-generation set; determining that a distribution model is configured for the main table associated field, taking initial test data in the pre-generation set as a value domain, regenerating new test data based on the distribution model, and storing the new test data and covering the pre-generation set to form a new data set; wherein the distribution model comprises a uniform distribution model or a normal distribution model. According to the invention, the data quality and the data generation efficiency of the test data in a complex scene are improved.

The invention discloses a water-soluble polyethylene glycol modified hypocrellin derivative and an application of the water-soluble polyethylene glycol modified hypocrellin derivative in photodynamic therapy of tumors. The maximum absorption wavelength of the prepared polyethylene glycol modified hypocrellin derivative is about 580 nm, the molar extinction coefficient can reach 15000-20000 M <-1 > cm <-1 >, and the polyethylene glycol modified hypocrellin derivative has very high light absorption capacity in a phototherapy window. Active oxygen species such as singlet oxygen can be efficiently generated under a photosensitive condition, and various tumor cells can be efficiently inactivated. The prepared polyethylene glycol modified hypocrellin derivative has good water solubility, the solubility of the derivative in normal saline is 10 mg / mL or above, and the derivative can serve as a photosensitive drug to enter a human body through caudal vein administration, can specifically gather in tumor cells or tissues and can be used for photodynamic drugs to treat various tumors. Under the same conditions, the polyethylene glycol substituted hypocrellin derivative disclosed by the invention, as a photosensitive drug, has a better photodynamic therapy effect than a porphyrin commercial photosensitive drug for treating tumors.

This application relates to the field of textile fabrics, disclosing a three-dimensional anti-permeability fabric and its preparation process. The three-dimensional anti-permeability fabric includes a first woven layer and several second woven layers. The second woven layers are formed by weaving core-spun yarn onto the first woven layer using a weaving process. The edges of the second woven layers are formed by cutting and high-temperature setting of the core-spun yarn to create a three-dimensional plush structure. The core yarn of the core-spun yarn is made by twisting several high-melting-point yarns and at least one glass fiber yarn together, while the covering yarn is a low-melting-point yarn. The three-dimensional anti-permeability fabric obtained by this application, after cutting and high-temperature setting of the core-spun yarn at the edges of the second woven layers, shrinks the core-spun yarn to form a spiral shape, creating a three-dimensional plush structure at the edges of the second woven layer. Under the synergistic support of the core yarn and the shrunk covering yarn, a stable three-dimensional anti-permeability fabric is formed. It is not easily deformed during long-term wear and washing, maintaining good softness, three-dimensionality, and anti-permeability.

The application discloses a method for preparing fluorine-containing diphenylmethane compounds by using sulfur hexafluoride as a fluorination reagent, and belongs to the technical field of organic chemical synthesis. The preparation method comprises the following steps: (1) mixing a photocatalyst, a solvent and a reducing agent, and performing ultrasonic treatment to obtain solution A; mixing a reaction substrate and the solvent to obtain solution B; the photocatalyst is one or more of 4CzIPN, Ir[dF(CF3)ppy]2(dtbpy))PF6, 9-thioxanthone and 10-phenylphenothiazine; the reaction substrate is a compound with a structural formula of R1 and R2 are both H, alkoxy or halogen; (2) mixing the obtained solution A and solution B in a sulfur hexafluoride gas atmosphere, and performing reaction under blue light illumination, and the fluorine-containing diphenylmethane compounds are obtained. The method has the beneficial effects that the fluorine-containing diphenylmethane compounds are efficiently prepared by using sulfur hexafluoride as the fluorination reagent, and by selecting raw materials and catalysts with certain proportions; the reaction raw materials are cheap; the preparation process is safe, mild, has good substrate compatibility and high preparation efficiency.

This invention discloses a manganese dioxide nanozyme with photothermal and antibacterial functions and its preparation method, belonging to the field of biomedical materials technology. The invention first uses lactoferrin (LF) as a carrier template to synthesize manganese dioxide nanoparticles (LF-MnO2) with uniform particle size, high solubility, and high dispersibility via a one-step redox method. LF-MnO2 exhibits photothermal properties, achieving rapid heating and photothermal sterilization under near-infrared light irradiation. LF-MnO2 possesses various enzyme activities, including superoxide dismutase (SOD) and catalase (CAT), which can scavenge various oxygen free radicals. Furthermore, LF-MnO2 can efficiently catalyze the production of oxygen from hydrogen peroxide. The LF-MnO2 prepared by this invention has broad application prospects in photothermal antibacterial, antitumor, reactive oxygen species scavenging, and tissue regeneration and repair fields.

The invention relates to a steam generator, cooking equipment and a control method of the cooking equipment, which can improve the heat exchange efficiency and avoid the phenomenon of water ejection so as to generate saturated steam for steaming food and contribute to improving the cooking effect. The steam generator is used for generating steam in a microgravity environment, and comprises a heat exchange pipe which is provided with a water inlet end part communicated with a water supply assembly, a steam outlet end part communicated with a steaming box and a steam generating pipe body extending from the water inlet end part to the steam outlet end part; the heating wire is wound on the outer wall of the steam production pipe body and is used for heating the steam production pipe body; and the plurality of separation nets are arranged in the steam production pipe body at intervals so as to divide the steam production pipe body into a plurality of steam production pipe sections which are communicated in sequence.

[Problem to be Solved] An object of the present invention is to provide a method of producing an alkenyl phosphorus compound. [Solution to Problem] The method of producing an alkenyl phosphorus compound according to the present invention is a method of allowing a specific phosphorus compound to react with a specific alkynyl compound in the presence of a transition metal complex, a Lewis acid and a low-polarity additive, to produce a specific alkenyl phosphorus compound.

The utility model discloses an atomizing core assembly and an electronic atomizer, comprising an atomizing top cover and an atomizing bottom cover, and also comprising: an air guide channel, the upper end of which is communicated with an air guide port on the atomizing top cover, and the lower end of which extends into the atomizing top cover and the atomizing bottom cover; the atomizing cores are distributed on the periphery of the lower end of the air guide channel, and the lower end faces of the atomizing cores are flush with the lower end face of the air guide channel; and the at least two air inlet channels are formed in the atomization bottom cover, the number of the atomization cores corresponds to the number of the air inlet channels, and each air inlet channel corresponds to the corresponding atomization core. Compared with the prior art, the atomizer has the advantages that by reasonably arranging the position relation of the air guide port, the air guide channel, the atomizing core and the air inlet channel, airflow flows more smoothly, the circulating distance of atomized airflow and the contact area of the atomized airflow and internal structural parts can be greatly reduced, the condensation phenomenon is reduced, and the service life of the atomizer is prolonged. And better smoking experience is provided for consumers.

The present invention provides a medium composition for efficient preparation of mesenchymal stem cells, a method for producing mesenchymal stem cells, a medicament for the prophylaxis or treatment of inflammatory diseases or fibrous diseases, and the like. Specifically, a method for producing a medicament for the prophylaxis or treatment of inflammatory diseases or fibrous diseases, comprising a step of inducing mesenchymal stem cells by culturing neural crest cells in a medium composition for inducing mesenchymal stem cells from neural crest cells, comprising a basal medium and corticosteroid, the composition having a converted concentration of the corticosteroid in the medium composition of not less than 1.25 µM is provided.

This invention relates to a heater structure, comprising a heater section, two thick-film busbars, an anisotropic conductive film, two thin-film connecting portions, and an insulating coating, and having a planar shape, wherein: each thick-film busbar has a main body and a first connecting portion; the main bodies of the thick-film busbars are arranged separately from each other; the heater section is planar and connected between the main bodies of the thick-film busbars; the anisotropic conductive film has two second connecting portions; the thin-film connecting portions correspond to the first connecting portions of the thick-film busbars and to the second connecting portions respectively; the thin-film connecting portions respectively connect the corresponding first connecting portions to the corresponding second connecting portions; the thick-film busbars do not directly contact the anisotropic conductive film; and except for the connecting portions with the thick-film busbars, each thin-film connecting portion is covered by an insulating coating and anisotropic conductive film, so that it is not exposed.