31results about How to "Improve activation efficiency" patented technology

The invention belongs to the technical field of environmental pollution treatment and water treatment, and particularly relates to a method for degrading organic pollutants by coupling a nano confinement catalytic membrane with micro-nano bubbles. The method comprises the following steps: adding micro-nano bubble water and an oxidizing agent into an organic pollutant solution, regulating the pH value to prepare a pretreatment mixed solution, and enabling the pretreatment mixed solution to pass through a nano confinement catalytic membrane to catalytically degrade the organic pollutants, the nano confinement catalytic membrane comprises an organic polymer membrane substrate and a catalyst loaded in the organic polymer membrane substrate; the loading capacity of the catalyst is 5 to 30 mg. The problems that antibiotics are difficult to degrade, pollutant concentration is easily caused by membrane separation, a catalyst is difficult to recycle, and membrane flux and catalytic activity are difficult to balance are solved, the method has the advantages of being high in degradation efficiency, stable in membrane flux, easy to recycle the catalyst and wide in application range, and wastewater containing organic pollutants can be efficiently treated.

The application discloses a method for treating antibiotic wastewater by using a graphdiyne / ferrous indium sulfide nanocomposite to activate persulfate, and the method is characterized by using the graphdiyne / ferrous indium sulfide nanocomposite as a catalyst to activate persulfate for degrading and treating antibiotic wastewater, wherein the graphdiyne / ferrous indium sulfide nanocomposite comprises ferrous indium sulfide nanoparticles, and the nanoparticles are loaded with graphdiyne nanosheets. The method for treating antibiotic wastewater by using the graphdiyne / ferrous indium sulfide nanocomposite to activate persulfate uses the graphdiyne / ferrous indium sulfide nanocomposite as a catalyst, wherein the nanocomposite has many reactive sites, high catalytic activity and good stability, can efficiently activate persulfate with a smaller amount of catalyst, can efficiently remove antibiotics in wastewater, and has the advantages of low cost, high treatment efficiency, good removal effect, green environmental protection and the like, and therefore, the method has important significance for effectively purifying antibiotic wastewater, has high use value and good application prospect.

The invention discloses a membrane electrode activation method, device and equipment and a fuel cell, accumulative calculation is carried out according to an ECSA integral calculation formula in a preset time period, the active area of a to-be-detected membrane electrode activated by cyclic voltammetry is judged to be larger than a preset active area, after an electrochemical workstation is dismounted, the to-be-detected membrane electrode is connected with a load, and the to-be-detected membrane electrode is activated. And after the cathode gas of the membrane electrode to be detected is switched into air and the anode gas is switched into hydrogen, performing high-frequency variable-current activation until the battery voltage is stabilized at a preset voltage value under the preset current density. According to the method, the cyclic voltammetry is firstly adopted for activation, impurities on active sites of a catalyst layer covering the surface of the membrane electrode can be removed, humidification gas is accelerated to enter the catalyst layer, the active area of the membrane electrode to be detected is larger than the preset active area, then high-frequency variable-current activation is carried out, and an electron and proton mass transfer channel can be rapidly constructed; therefore, efficient establishment of a reaction three-phase interface is realized, the activation time is shortened, and the activation efficiency is improved.

This invention discloses a compound produced by Aspergillus fungi, its preparation method, and its applications, belonging to the field of biomedical technology. The invention utilizes solid-state fermentation of Aspergillus sp. derived from grasshopper Oxya chinensis Thunb., followed by anhydrous ethanol extraction and ethyl acetate extraction to obtain a total extract. Nine emestrin-type diketopiperazine alkaloids were then purified by normal-phase silica gel column chromatography, gel column chromatography, and high-performance liquid chromatography. The structures and configurations of these compounds were determined using spectroscopic analysis, quantum chemical calculations, and X-ray single-crystal diffraction. These compounds significantly activate caspase 3 protein and promote tumor cell apoptosis, demonstrating potential as anti-tumor drugs.

The invention discloses a preparation method of a metal-semimetal double-monatomic catalyst loaded on the basis of a carbon molecular sieve. The preparation method comprises the following steps: S1, carrying out activation pretreatment on a carbon molecular sieve carrier; s2, mixing the pretreated carbon molecular sieve powder with a copper salt and a selenium source, adding a solvent, stirring, and performing ultrasonic treatment to obtain precursor powder; and S3, putting the precursor powder obtained in the step S2 under inert atmosphere protection, and carrying out heat treatment. Through the electronic coupling and synergistic effect between copper and selenium atoms, the electronic structure of the catalyst can be precisely regulated and controlled, the efficiency of a reaction path is optimized, the interaction between copper and LiPSs is promoted, the catalytic performance of the catalyst is enhanced, in the adsorption and catalytic conversion process, the affinity of LiPSs and the catalyst is remarkably improved, the shuttle effect is inhibited, and the catalytic performance of the catalyst is improved. And the method has wide application prospect and important value in the research and practice of the lithium-sulfur battery.

The utility model relates to activating unit technical field discloses a kind of activating units for metal surface treatment, including activation tank, and discharge port is fixedly connected with activation tank lower end, and activation tank one end is provided with control box, and rotation assembly is provided on the upper end of activation tank, and rotation assembly includes the motor that is set on the upper end of activation tank, motor output shaft is fixedly connected with rotating rod, and rotating rod lower end is fixedly connected with filter screen frame, and partition assembly is provided in filter screen frame outer end, for the barrier to metal, and rotating rod upper end is provided with lifting assembly, for supporting motor and rotating rod, limiting component is provided at the both ends of lifting assembly, for covering the upper end of partition assembly, and partition assembly includes the filter screen cover that is fixedly connected in filter screen frame outer end, can be cooperated with rotation assembly and partition assembly etc., drive metal component to rotate and stir, effectively improve the contact area of metal component and chemical solution, to improve activation efficiency.

The embodiment of the invention relates to a business opening method and device based on semantic understanding, a medium and a product. The method comprises the steps of performing feature extraction on an input service opening text based on multi-source data to obtain a first semantic vector; performing field classification on the first semantic vector based on a classification model to obtain a target field; based on the target domain, obtaining structured information of the service opening text through a domain fine tuning large model; obtaining a second semantic vector according to the structured information, and matching an optimal operation path from the graph database based on the second semantic vector; and according to a preset template corresponding to the optimal operation path and in combination with the large model, outputting a service opening scheme to open the service.

The present application belongs to the field of inorganic metal hydrogen storage material preparation and processing technology, and particularly relates to an activation method of deactivated Ti-Mn-based AB2 type hydrogen storage alloy. The present application co-dopes a small amount of LaNi5 alloy and metal V in the long-stored and deactivated Ti-Mn-based AB2 type hydrogen storage alloy, grinds and mixes, manually press-molds, smelts, and then crushes to obtain a new type of high-performance Ti-Mn-based AB2 type composite hydrogen storage alloy, which can efficiently activate the existing deactivated Ti-Mn-based AB2 type hydrogen storage alloy, restore good initial kinetics and hydrogen storage capacity, and activate a large amount of long-stored and deactivated Ti-Mn-based AB2 type alloy without significantly affecting the cost of the alloy, thereby promoting the wide use of Ti-Mn-based AB2 type alloy in solid-state hydrogen storage devices.

The invention discloses a photocatalytic material with a heptazine-triazine structure as well as a preparation method and application of the photocatalytic material. Relates to the field of photocatalysis. The photocatalytic material with the heptazine-triazine structure comprises a boron-doped heptazine-triazine heterojunction structure, and the content of a triazine unit in the heptazine-triazine heterojunction structure is higher than that of a heptazine unit; the raw material of the boron-doped heptazine-triazine heterojunction structure comprises the following components: a boron-containing carbon nitride precursor and alkali metal salt, the raw materials of the boron-containing carbon nitride precursor comprise melamine and a boron source. The photocatalytic material shows excellent performance under visible light, the H2O2 yield can reach 2423 mol L <-1 > h <-1 > (44.1 times of that of traditional carbon nitride), and the hydrogen evolution rate is increased by 70 times; the apparent quantum yield of 450nm single wavelength reaches 14.4%, and the visible light absorption range is effectively expanded; and after continuous 24-hour illumination, the activity is not attenuated, and the stability is excellent.

The invention discloses a coal gangue microwave-chemical synergistic activation method and activated coal gangue, the coal gangue microwave-chemical synergistic activation method comprises the following steps: (1) crushing coal gangue to obtain a crushed product; (2) mixing the crushed product with a composite activator, and performing microwave treatment to obtain an activated product; the composite activating agent comprises waste alkali liquor, fly ash aluminum extraction residues and water glass; and (3) drying, cooling and grinding the activated product to obtain the activated coal gangue. The microwave-chemical synergistic activation method for the coal gangue is high in activation efficiency, efficient destruction of crystal lattices of coal gangue minerals is achieved through the synergistic effect of microwaves and the composite activating agent, the activation time is shortened, the silicon-aluminum dissolution rate is increased, the silicon dissolution rate reaches 80% or above, the aluminum dissolution rate reaches 70% or above, the problem that single chemical activation is low in efficiency is solved, and the method is suitable for industrial production. And the obtained activated coal gangue product has high activity.

This utility model discloses a large-area, high-energy, and high-permeability silicone UV activation machine, including a casing, a conveying and transmission mechanism, and activation mechanisms. Two activation mechanisms are provided and connected to each other. Each activation mechanism includes an activation outer casing and two UV activation components. Each UV activation component includes an air collector hood and a UV lamp array. The air collector hood opening is equipped with a support, which is divided into two parts by lamp holders. Each part is equipped with a UV lamp array, and each UV lamp array is equipped with UV lamp tubes. An axial flow fan is provided on the top of the air collector hood, and a filter plate is provided on the upper side of the air collector hood. An exhaust system is provided inside the casing. This utility model, by providing two connected activation mechanisms, can simultaneously perform UV activation treatment on a large area of ​​the product, improving activation efficiency. Furthermore, each activation mechanism has two UV lamp arrays, and each UV lamp array is equipped with UV lamp tubes arranged along the length of the air collector hood opening. The UV lamp tubes are U-shaped, resulting in a wider irradiation area and higher energy, thus improving activation permeability.

The invention relates to the technical field of preparation of adhesives and granular activated carbon, in particular to a composite adhesive, straw-based granular activated carbon and a preparation method. According to the specific technical scheme, firstly, the straw gasification tar is subjected to reduced pressure distillation under specific conditions (light components are removed at the temperature of 100 DEG C, and phenol-rich components are collected at the temperature of 170-250 DEG C) for fractional separation; phenol-rich components are used for partially replacing phenol (the replacement rate is 10-50%), the phenol-rich components react with formaldehyde under the catalysis of potassium hydroxide to synthesize phenolic resin, and sesbania powder is added for thickening. And compounding the thickened phenolic resin with the separated heavy components to obtain the composite adhesive. The adhesive and straw biochar are mixed and molded in proportion, and the straw-based granular activated carbon is prepared through the processes of hardening, carbonization, coupling activation and the like. The carbon tetrachloride adsorption rate of the product is greater than or equal to 60%, the strength is greater than or equal to 90%, and high-value utilization of straw tar and charcoal is realized.

This utility model relates to the field of activated carbon production technology and discloses a processing device for preparing activated carbon from coconut shells. The device includes an activation chamber, a crushing chamber fixedly installed on the top of the activation chamber, a feed inlet on the top side wall of the crushing chamber, and a drive motor fixedly installed on the top outer wall of the crushing chamber. A dispersion component is installed inside the activation chamber. By using the dispersion component, starting the servo motor and air pump, the mixture of activator and air entering the rotating drum can be blown into the activation chamber through the air inlet. Guided by the surface of the spiral blades, the airflow entering the activation chamber travels in a spiral shape towards the center of the activation chamber. This allows the mixture of activator and air to be dispersed to various areas, ensuring sufficient contact with the coconut shell powder and guaranteeing the activation effect of the coconut shell powder, thereby ensuring the processing effect of activated carbon prepared from the coconut shell powder.

The invention discloses a supported ozone catalyst, a preparation method thereof, a spherical ozone catalyst and application thereof, and belongs to the technical field of water treatment and environmental catalysis. The supported ozone catalyst comprises an active component, an auxiliary carbon component and a carrier, the carrier is modified gamma-Al2O3 (aluminum oxide) or modified SiO2 (silicon dioxide); the active component and the additive carbon component are dispersed on the outer surface of the carrier and the inner surface of a pore channel; the active component is an iron-cobalt composite oxide and has a spinel crystal form; the additive carbon component is prepared by calcining urea and citric acid in an inert atmosphere. The active components in the supported ozone catalyst are highly dispersed, the activation efficiency of ozone can be remarkably improved by the supported ozone catalyst under the assistance of the carbon component, and high-efficiency removal of refractory organic pollutants in wastewater is realized.

This invention discloses a device and method for sterilization of food packaging using a mixed gas synergistic atomized peroxide plasma. The device includes sterilization unit I, sterilization unit II, sterilization unit III, sterilization unit IV, alignment box I, alignment box II, exhaust gas treatment system, power distribution system, and gas distribution system. The sterilization units IV, I, III, II, and IV are sequentially connected. The sterilization units I, II, III, and IV are connected to the gas distribution system and the power distribution system, respectively. Sterilization unit IV has an inlet, and alignment box II has an outlet. This device and method enable efficient, stable, and environmentally friendly sterilization of food packaging, providing better protection for the food industry.

The present application relates to the technical field of concrete, and particularly discloses a wear-resistant recycled asphalt concrete as well as a preparation method and application thereof.The wear-resistant recycled asphalt concrete provided by the present application significantly improves surface wear resistance and wear resistance by compounding raw materials, and can improve service life from multiple aspects such as high-temperature anti-rutting and low-temperature anti-cracking, and is suitable for high-wear areas such as urban intersections and bus lanes.The content of recycled asphalt pavement material is increased, and the consumption of primary resources is greatly reduced.Lignin hard carbon microspheres, hydroxyapatite and polyphosphate can form a ternary synergistic system, the lignin hard carbon microspheres can be used as micro-rolling balls to fill the voids of the mortar and bear shear stress, the hydroxyapatite can further enhance the wear resistance of the surface layer of the mixture, and the polyphosphate can break the long chain of carbonyl / sulfoxide groups in the aged asphalt in the RAP, and cooperates with the recycling agent to effectively activate the aged asphalt in the RAP and restore the rheological properties thereof.

The application relates to a double-medium spacer symmetrical electrode discharge reactor and a plasma catalytic synthesis ammonia method. The reactor comprises an inner quartz medium pipe and an outer quartz medium pipe which are coaxially arranged, a high-voltage spiral electrode which is wound on the outer surface of the inner quartz medium pipe, a grounding spiral electrode which is wound on the outer surface of the outer quartz medium pipe, and a metal powder filling layer which is filled in the inner cavity of the inner quartz medium pipe. The outer quartz medium pipe is arranged on the periphery of the inner quartz medium pipe, and an annular discharge reaction cavity is formed between the outer quartz medium pipe and the inner quartz medium pipe. The high-voltage spiral electrode and the grounding spiral electrode are axially symmetrically distributed in space. The reactor provided by the application adopts a double-medium sandwich structure, and through the synergistic effect of the inner and outer quartz medium pipes and the high-voltage and grounding spiral electrodes which are symmetrically wound, a strong electric field which is uniformly coupled in space is realized, and the reactor is obviously superior to a traditional coaxial single-medium design.

The semiconductor device includes a channel layer, a barrier layer on the channel layer and including a material having an energy band gap different from an energy band gap of the channel layer, a gate electrode layer on the barrier layer and extending in a first direction, a gate semiconductor layer disposed between the barrier layer and the gate electrode layer, and a source electrode and a drain electrode connected to the channel layer and spaced apart from the gate electrode layer in a second direction different from the first direction, wherein the gate semiconductor layer includes a gate semiconductor material layer disposed on the barrier layer, and an oxide layer disposed between the gate semiconductor material layer and the gate electrode layer.

The present application relates to the field of wireless communication search and rescue, and particularly relates to a radio remote activation method, comprising the following steps: step 1, after a person is in distress, a distress device sends a distress alarm information, and enters a "sleep-work" mode; step 2, after the search device receives the distress alarm information, an activation instruction is sent to activate the distress device; step 3, the distress device receives the activation instruction, adjusts the working parameters of itself with the activation parameters in the activation instruction, and receives a communication instruction. The present application has higher activation efficiency and stronger universality by designing the remote activation instruction with multiple activation parameters; the corresponding activation parameters can be set by the user of the distress device and the user of the search device, and the search device can remotely and reliably activate the distress device; the activation instruction also has control parameters, which can increase the corresponding search and rescue command control ability.

The invention provides chymotrypsinogen and application thereof, and particularly relates to a protein tag for improving the activation efficiency of recombinant chymotrypsinogen. Compared with naturally extracted human chymotrypsinogen, the recombinant chymotrypsinogen fused with the protein tag has significantly improved activation efficiency. The invention also relates to a recombinant chymotrypsinogen containing the protein tag, a nucleic acid molecule for coding the recombinant chymotrypsinogen, a vector containing a nucleotide sequence of the nucleic acid molecule, a nucleic acid construct and a host cell. In addition, the invention also relates to a method for expressing the recombinant chymotrypsinogen.

The utility model discloses self-propagating combustion synthesis equipment with forward high-voltage driving, which comprises a furnace body and a furnace cover, and an igniter, a resistance heater and a forward high-voltage driving device are arranged in the furnace body; the furnace body comprises an inner furnace body and an outer furnace body connected to the outer side of the inner furnace body in a sleeving mode, an interval cavity is formed between the outer wall of the inner furnace body and the inner wall of the outer furnace body, and the forward high-pressure driving device comprises an air inlet valve arranged on the outer furnace body and communicated with the interval cavity, a forward pressure driving air inlet pipe, a vacuum valve communicated with the inner furnace body and an air outlet valve. According to the utility model, the activation efficiency of reactants and the overall efficiency of combustion synthesis can be effectively improved, a specific atmosphere environment required by reaction is provided, the mixing and diffusion of the reactants are powerfully promoted, and the effective collision frequency between the reactants is increased, so that the reaction which is difficult to carry out originally can be smoothly carried out; and the practicability of the self-propagating combustion synthesis technology is expanded.

This invention relates to a method for enabling, blocking, and testing blacklisted services based on protocol identification, belonging to the field of network security. The method includes: configuring multi-dimensional protocol layer identification rules and blacklist rule priorities; receiving blacklist rules through an automatic rule analysis engine, parsing the blacklist rules according to the multi-dimensional protocol layer identification rules, identifying the rule type, automatically assigning priority to the rule type, converting the blacklist rules into standardized rules, and automatically converting the standardized rules into dedicated configuration instructions adapted to 5G core network elements; automatically distributing the dedicated configuration instructions to the corresponding 5G core network elements through a standardized interface; actively generating simulated traffic, with the UPF intercepting the simulated traffic, comparing the actual interception results with the expected rules, and generating a verification report to achieve automatic verification of the interception effect. This method can improve service management efficiency and security.

The invention discloses an atomic-scale ultra-smooth lossless machining method and system for a diamond blank, and belongs to the technical field of precision machining of superhard materials. The machining method comprises the steps that the surface of a metal catalyst and the surface of a to-be-polished diamond make contact and are fixed, the metal catalyst and the surface of the to-be-polished diamond are placed in a vacuum cavity and heated, reaction gas is introduced into the vacuum cavity, and plasma is generated through excitation; under the synergistic effect of catalytic agent catalysis and plasma activation, the diamond surface layer is removed; the roughly polished diamond is placed on a polishing disc, pressure is applied, the polishing disc is rotated, and meanwhile the polishing liquid is used for mechanical polishing; and the mechanically polished diamond is placed in a vacuum cavity, oxygen-containing reaction gas is introduced into the vacuum cavity, radio frequency power is applied to excite capacitive coupling plasma, atomic-scale etching is conducted on the surface of the diamond, and the atomic-scale ultra-smooth surface is obtained. According to the method, the whole-process dry processing from rapid removal to atomic-scale smoothing is realized.

The application discloses a method for improving cementitious activity of waste glass powder by physical and chemical synergistic activation, and belongs to the field of building materials. The method aims to solve the problems of insufficient cementitious activity, low activation efficiency and unstable activation effect of waste glass powder. The method adopts a segmented feeding strategy to put waste glass and a chemical activator (any one of silica fume, nano-silicon dioxide, nano-titanium dioxide, calcite and alum) into a ball mill, adopts a four-stage matching grinding ball and a variable-speed intermittent process of "high-speed ball milling-stopping-moderate-speed ball milling", and significantly improves the cementitious activity of the waste glass powder through physical and chemical synergistic activation. The method has the characteristics of high activation efficiency, significant activity improvement and controllable process, and can be widely applied to resource utilization of waste glass powder.

The application discloses a monatomic catalyst for activating peroxymonosulfate and a preparation method and application thereof. The catalyst comprises nitrogen-sulfur co-doped Ti3C2T x nanosheets and iron monatomic atoms or cobalt monatomic atoms targeted on the asymmetric coordination structure. The preparation method comprises mixing Ti3C2T x nanosheets, a nitrogen-containing source and a sulfur-containing precursor, and a soluble metal salt, self-assembling, freeze-drying and pyrolyzing. The monatomic catalyst has excellent electrical conductivity and electronic structure, can form a large amount of active oxygen substances in a catalytic degradation system under the premise of low peroxymonosulfate addition amount, has the advantages of high peroxymonosulfate activation efficiency and effective reduction of peroxymonosulfate usage, can activate peroxymonosulfate to realize efficient purification of organic wastewater, can effectively reduce the operation cost of peroxymonosulfate activation technology, and can also significantly reduce the new environmental pollution risk caused by the large use of peroxymonosulfate.

The utility model discloses an automatic stirrer for activating saccharomyces cerevisiae, which comprises a supporting seat, an anti-caking component, a mixing component, a temperature sensor, a tank body, a heat insulation cover, a discharge valve and a snake-shaped electric heating wire. Active dry yeast is poured into the discharging hopper, enters the rotary joint and the round pipe through the discharging hopper, is discharged into the screening barrel through a group of through grooves, enters the tank body through the screening holes, is stirred by the mixing assembly through warm water, and simultaneously passes through the anti-caking assembly, so that the active dry yeast is discharged into the tank body through the screening holes. The group of scattering rods are used for scattering the active dry yeast which is in contact with warm water and is caked in the screening barrel, so that the agglomeration phenomenon of the active dry yeast is avoided, and the scattered active dry yeast gradually passes through the screening holes to be in contact with the warm water in the tank body, so that the active dry yeast is quickly and fully dissolved in the warm water; and the proper temperature can improve the activation degree, the activation quality and the activation efficiency of the active dry yeast.

The utility model discloses a high pressure high electric field MPCVD deposition chamber, including depositing cylinder, depositing cylinder is cavity structure, is provided with helical tube in the cavity, and one end of helical tube is penetrated in the inside wall of depositing cylinder, and the other end of helical tube is fixed with first hose, and the top of depositing cylinder is provided with cylinder cover, and the outside wall of depositing cylinder is provided with two fixed mechanisms for fixing cylinder cover, and the top of cylinder cover is fixed with connecting cylinder, and the top of connecting cylinder is provided with gas inlet pipe, and the outside wall of gas inlet pipe is installed with first check valve. The utility model discloses the setting of connecting cylinder can carry out twice mixing treatment to reaction gas, thereby ensuring the uniform distribution of gas composition in the depositing cylinder, reducing the deposition rate uneven caused by the difference of gas concentration, improving the overall performance of the film, and the surface of helical tube is heated by hot water circulating system, ensuring the stable temperature of helical tube surface, which helps to improve the activation efficiency of reaction gas, thereby promoting the deposition of higher quality material.

The invention discloses waste-plastic-based porous carbon and a preparation method thereof.The preparation method comprises the steps that waste plastic and medical waste incineration slag serve as raw materials, the waste plastic and the medical waste incineration slag are crushed to obtain raw material particles of a certain mesh number, then the waste plastic particles are subjected to high-temperature carbonization to obtain waste-plastic-based pyrolytic carbon, the medical waste incineration slag particles are subjected to acid treatment, and the waste-plastic-based pyrolytic carbon is obtained; and then mixing, ball-milling and co-activating at high temperature, so that the alkali metal component in the slag is chemically loaded on the surfaces of the carbon particles, thereby obtaining the alkali metal modified waste plastic-based porous carbon. The solid waste is used as a basic raw material, the synthesis route is simple, expensive equipment / chemical reagents are not needed, the operation cost is greatly reduced, large-scale production is guaranteed, and the obtained porous carbon has good adsorption performance on volatile organic compounds.