53results about How to "Improve activation efficiency" patented technology

The invention provides a high-density RFID tag group scanning system based on a multi-antenna array and beam forming, and relates to the technical field of the Internet of Things. The system comprises a multi-antenna array, an RFID reader-writer, a beam forming unit, a signal processing unit, a feedback unit and a data management unit. Through a digital beam forming technology, the system dynamically adjusts the direction and width of a beam, and achieves the precise scanning of a target area. And in combination with real-time signal feedback, a density peak clustering algorithm and a gradient descent algorithm are adopted to optimize beam parameters, so that the recognition efficiency is improved. The system further utilizes an anti-collision algorithm to dynamically adjust frame parameters, and performs logic grouping based on spatial positions and type characteristics of tags, so that signal collision and missed reading rates are remarkably reduced. Meanwhile, the data management unit stores and outputs the label data in a classified mode, and intelligent management capacity is provided for multi-scene application.

The invention discloses a monatomic catalyst for activating peroxymonosulfate as well as a preparation method and application of the monatomic catalyst. The catalyst comprises a nitrogen and sulfur co-doped Ti3C2Tx nanosheet and an iron monatomic or cobalt monatomic targeted on the nanosheet in an asymmetric coordination structure. The preparation method comprises the following steps: mixing the Ti3C2Tx nanosheet, a precursor containing a nitrogen source and a sulfur source, and soluble metal salt, self-assembling, freeze-drying and pyrolyzing. The monatomic catalyst provided by the invention has excellent conductivity and electronic structure, can form a large amount of reactive oxygen species in a catalytic degradation system on the premise of low addition amount of peroxymonosulfate, and has the advantages of high activation efficiency on peroxymonosulfate, capability of effectively reducing the usage amount of peroxymonosulfate and the like; the peroxymonosulfate can be activated to achieve efficient purification of organic wastewater, the operation cost of the peroxymonosulfate activation technology can be effectively reduced, and meanwhile, the new environmental pollution risk caused by the fact that a large amount of peroxymonosulfate is used can be remarkably reduced.

The invention discloses a preparation method of pitch-based porous carbon with an adjustable pore volume ratio, a product of the pitch-based porous carbon and application of the pitch-based porous carbon as a substrate to preparation of a silicon-carbon negative electrode material, the preparation of the porous carbon comprises the following steps: S1, dissolving cellulose in an alkali / urea / aqueous solution, fully hydrolyzing to obtain a uniform solution, adding pitch, and uniformly stirring; after fully mixing, heating and drying to obtain a cellulose and asphalt composite material; s2, heating the cellulose and asphalt composite material to carry out pre-oxidation crosslinking, and then carrying out pre-carbonization treatment in a protective atmosphere to obtain a carbonized material; and S3, activating the carbonized material to obtain the pitch-based porous carbon with an adjustable pore volume ratio. The asphalt-based porous carbon prepared by the method disclosed by the invention has extremely high particle strength, the micropore rate and the micropore-mesopore ratio are adjustable, and the silicon-carbon negative electrode material prepared by taking the asphalt-based porous carbon as the substrate has excellent cycling stability, high reversible specific capacity and first coulombic efficiency.

The invention discloses an OVA (at) MMSNs (at) BM-Mannose bionic nano vaccine and a preparation method thereof, and belongs to the technical field of nano vaccines. The OVA (at) MMSNs (at) BM-Mann rose bionic nano vaccine is a nano material coated by a bacterial plasma membrane. The OVA (at) MMSNs (at) BM-Mannose bionic nano vaccine prepared by the preparation method disclosed by the invention is strong in cellular uptake ability and good in storage stability; the hemolytic activity is low, and the hemolysis rate of 6% or below can still be kept even when the concentration is 100 micrograms per milliliter; the in-vitro cytotoxicity is small, and the safety is high; obvious toxicity is not generated on mice in vivo; the hydration particle size is 220nm; dC2.4 cells have the phenomena of continuous uptake and concentration dependence on the nano vaccine, are basically saturated within 2 hours, and have the potential of being applied to the field of magnetic resonance imaging; the activation efficiency on DC2.4 is high; the targeting delivery capability is realized; according to the prepared FITC-OVA (at) MMS Ns (at) BM-Mannose bionic nano vaccine, the visual delivery of the nano vaccine can be realized, and the observation and research are convenient; the preparation method of the bionic nano vaccine is simple and easy to operate, and the used raw materials are safe, non-toxic or low in toxicity and safe to the environment and operators.

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 application provides a multi-station solid hydrogen storage tank activation device, relating to the field of hydrogen storage equipment technology. The key technical points are: it includes an activation chamber, with multiple station tubes extending along its thickness direction. The axial outer wall of each station tube is flush with and sealed to the end face of the activation chamber on the same side. Gaps are left between adjacent station tubes, and between the radial outer wall of each station tube and the inner wall of the activation chamber facing the radial outer wall of the station tube, forming a heat exchange cavity. An inlet is provided on the bottom outer wall of the activation chamber, and an outlet is provided on the top outer wall. The inlet and outlet are connected to a hot / cold water heater. The station tubes are tubular structures with axial through holes. The multi-station solid hydrogen storage tank activation device provided by this application has the advantage of ensuring good thermal conductivity of the solid hydrogen storage tank while enhancing its activation efficiency.

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 present invention provides the preparation and use of immunostimulatory coupling complexes for targeted delivery and activation. Specifically, the present invention provides a compound shown in formula M-S-C-A, which is used as a connecting arm, and a drug compound shown in formula M-S-C-A-D connected to a drug. The drug compound of the present invention has improved water solubility, reduced cytotoxicity, and enhanced drug activity.

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 invention discloses a method and a device for flexibly allocating gateway addresses based on a fragmentation technology, and the method comprises the steps: confirming a gateway mask according to the number of required user addresses; partitioning the planning address field by using a gateway mask to obtain a total partition set; reading an occupied address field, and partitioning by using a gateway mask to obtain an occupied partition set; if a certain partition in the occupied partition set falls into the partition set of the planned address field, discarding the partition in the partition set of the planned address field; remaining partitions in the partition set of the planning address field are recorded as an idle partition set, and the partitions with small addresses are preferentially used and stored in the occupation table. According to the method and the device, the IP address resource allocation is more flexible and accurate, the address allocation algorithm is optimized, the address waste is reduced, the utilization rate of the address resource is improved, the service fulfillment efficiency is further improved, the working pressure of network operation and maintenance personnel is reduced, and the operation and maintenance cost is reduced.

The invention provides an activation tube structure of a multi-tube activation furnace, and belongs to the technical field of activation furnaces. The bottom end of the activating furnace body is provided with an inclined support frame; the middle part of the activating furnace body is provided with a central combustion chamber; a plurality of activating pipes which are uniformly distributed along the circumferential direction of the central combustion chamber are also arranged in the activating furnace body; one end of each activating pipe is provided with a raw material inlet communicated with the outside, and the other end of each activating pipe is provided with a raw material outlet; a steam stirring device is arranged in the activation pipe, sealing covers are arranged at the two ends of the activation furnace body respectively, the two ends of the activation pipe penetrate through the sealing covers at the two ends respectively, a discharging cavity communicated with the raw material outlets is further formed in the end, close to the raw material outlets, of the activation furnace body, and a discharging opening is formed in the bottom of the discharging cavity and connected with a cooling device. The raw materials are continuously stirred in the activation pipe and are in uniform and full contact with water vapor, so that the activation reaction efficiency of the raw materials can be effectively improved, the time required by activation is shortened, and the yield of activated carbon is increased to improve the performance of the activated carbon.

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 is suitable for the technical field of substation automation, and provides a data dynamic sampling method and system, computer equipment and a computer program product, and the method comprises the steps: obtaining a to-be-sampled first target signal set according to sampling configuration information; acquiring a second target signal set with a configured sampling mapping relation according to the current sampling mapping configuration information; under the condition that the first target signal set and the second target signal set are different, updating the current sampling mapping configuration information to obtain new sampling mapping configuration information; in the process of updating the current sampling mapping configuration information, updating the currently started data table information to obtain new started data table information; and carrying out data sampling based on the new sampling mapping configuration information and the new started data table information, and storing data obtained by sampling. According to the method provided by the embodiment of the invention, the sampling mapping configuration information and the started data table information are dynamically updated according to the change of the sampling configuration information, and then data sampling and storage are performed, so that the utilization efficiency of the storage space can be improved, and the starting efficiency of the data table can be improved.

The invention relates to the technical field of network communication management, in particular to a service access mode matching method and device, communication equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: receiving new installation acceptance information of a to-be-accessed service, wherein the new installation acceptance information comprises a service type and a bandwidth demand of the to-be-accessed service; determining an access network type of a to-be-accessed service according to the service type under the condition that the to-be-accessed service is determined to be from a preset area based on the new installation acceptance information; according to the access network type and the bandwidth demand, matching to obtain a resource access mode of a to-be-accessed service; and accessing a to-be-accessed service according to the resource access mode. By adopting the method, the access process of the international private line service can be simplified.

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.