1084results about How to "Increase exposure" patented technology

The invention relates to the technical field of protein extraction, and particularly discloses a sea buckthorn seed protein extraction device which comprises a screening barrel, an enzymolysis tank arranged at the bottom of the screening barrel and a communicating pipe connected between the screening barrel and the enzymolysis tank. The multi-stage screening mechanism comprises screening plates evenly arranged on the inner side of the screening barrel in the height direction of the screening barrel. A floating mechanism is arranged at the bottom of the multi-stage screening mechanism; the downward pressing mechanism is used for driving the multi-stage screening mechanism to move downwards; a driving mechanism used for driving the lifting shaft to rotate and ascend and descend is arranged at the top of the screening barrel. According to the sea buckthorn seed protein extraction device, the screening cylinder and the enzymolysis tank are integrated on one device, space is saved, use is convenient, screening and enzymolysis can be synchronously carried out during use through cooperation of a multi-stage screening mechanism, a floating mechanism, a pressing mechanism, a stirring mechanism and a driving mechanism in the screening cylinder and the enzymolysis tank, and efficiency is improved.

The invention discloses a p-methyl benzyl chloride production process and a production system thereof, p-xylene side chains and chlorine are subjected to a gas phase substitution reaction under micro negative pressure and visible light catalysis to generate crude methyl benzyl chloride and hydrogen chloride, and 99.0% methyl benzyl chloride, a small amount of benzyl dichloride and 31% hydrochloric acid are respectively generated through rectification and absorption; the device consists of four working sections of chlorination, rectification, hydrochloric acid absorption and distillation. According to the method, the defects in the prior art are overcome, on one hand, chlorine is introduced, and an aromatic ring chlorination reaction is carried out under visible light catalysis; on one hand, a supported catalyst filler is arranged at the bottom of a chlorination tower, and a zeolite molecular sieve modified by long-chain alkylsilane and supported by metal salt is used as a catalyst to catalyze chloromethylation reaction, on the other hand, the hydrophobicity of the modified catalyst is obviously enhanced, and meanwhile, the density of acidic sites is not reduced; the contact opportunity of the catalyst and a reaction substrate is greatly increased, and the catalytic efficiency of the catalyst is improved.

The invention discloses a CTC cell detection method based on a micro-fluidic chip, and belongs to the technical field of cell treatment. In order to solve the problems of high false positive and false negative rates, time consumption and low efficiency caused by difficulty in accurately distinguishing CTC from other cell types, the invention can efficiently and specifically capture CTC cells, reduce the possibility of false positive and false negative and improve the detection accuracy by constructing a specific capture chamber and filling specific antibodies and immunomagnetic beads. The multi-channel design allows a plurality of samples to be processed at the same time, the detection efficiency is improved, the micro-fluidic chip technology integrates a plurality of steps on one platform, automation and standardization of operation are achieved, personal errors are reduced, the stability and repeatability of detection are improved, the uniformity and stability of the detection process are ensured, and the detection efficiency is improved. The fluorescence imaging technology clearly displays CTC and obtains key parameters such as quantity, form and fluorescence intensity of CTC, thereby providing powerful support for cancer diagnosis and research.

The invention provides a redox imidazole covalent organic framework material as well as a preparation method and application thereof, belongs to the technical field of material preparation and photocatalytic preparation of hydrogen peroxide, and aims to solve the technical problem of low activity of a current covalent organic framework in preparation of hydrogen peroxide. The preparation method of the imidazole-connected redox type imidazole covalent organic framework material comprises the following steps: respectively reacting a reactant 2, 7-di-tert-butylpyrene-4, 5, 9, 10-tetraketone monomer with 4, 4 ', 4', 4 ', 4', 4 ', 4', 4 ', 4', 4 ', 4', 4 ', 4', 4 ', 4', 4 ', 4', 4 ' The preparation method comprises the following steps: mixing 4, 4 '-(pyridine-2, 4, 6-triyl) tribenzaldehyde and a tri (4-formylphenyl) amine monomer, adding a solvent and a catalyst, uniformly stirring, and reacting to obtain the redox type imidazole covalent organic framework material after the reaction is finished. The application comprises the following steps: adding the covalent organic framework, oxygen and the sacrificial agent into water, and reacting under the irradiation of visible light. The preparation method is green, environment-friendly, simple and easy to implement, the prepared material has good thermal stability, and efficient visible light photocatalysis preparation of hydrogen peroxide can be achieved; meanwhile, the catalyst can be recycled and has good photocatalytic stability.

The invention discloses an efficient denitration device of a circulating fluidized bed boiler, and relates to the technical field of denitration, the efficient denitration device comprises a treatment tower, the surface of the treatment tower is fixedly provided with a smoke inlet, the surface of the treatment tower is fixedly provided with a smoke outlet, the bottom of the treatment tower is fixedly provided with a discharge pipe, and the top of the treatment tower is fixedly provided with a purification device; a liquid outlet pipe is arranged at the bottom of the purification device; the scraping device is arranged in the treatment tower, the scraping device comprises a motor, a reciprocating screw rod, a fixed rod, a threaded block, a circular concave plate, an elastic telescopic rod, a scraping plate, an L-shaped rod and a trapezoidal block, the motor rotates to drive the reciprocating screw rod to rotate, the reciprocating screw rod rotates to drive the elastic telescopic rod to rotate, the motor is fixedly mounted at the top of the treatment tower, and the fixed rod is fixedly mounted at the bottom of the treatment tower. And smoke dust in the flue gas is prevented from adhering to the interior of the treatment tower due to long-time introduction of the flue gas, and a smoke inlet is blocked due to long-time accumulation, so that the denitration efficiency is not influenced.

The invention belongs to the technical field of network space cognitive domains, and discloses a text generation method and system for text, image and video multi-modal fusion. According to the method, on the basis of images, videos and text contents published by a user, important features in multiple modes are extracted through a large model, related descriptions are generated, description information sharing is promoted, key information and core concepts are extracted to achieve deep integration among different modes, and finally an accurate text conforming to the context is generated on the basis of the large model. According to the method, multi-modal fusion is realized, clear and accurate visual information is provided, the problem of single text generation content angle is solved, and the problem of expression fuzziness in text generation is reduced.

The invention discloses a lithium iron phosphate carbon nanotube composite material and a preparation method thereof, and belongs to the technical field of battery materials. The polydopamine is used as a carbon source to coat the lithium iron phosphate, so that the direct contact between the lithium iron phosphate and the electrolyte is avoided; meanwhile, the compatibility of the carbon nanotube composite material and the lithium iron phosphate is enhanced due to the strong adhesion, so that the carbon nanotube composite material is favorably adsorbed on the lithium iron phosphate to be sintered; a carbon coating layer formed by polydopamine and the carbon nanotubes are beneficial to permeation of an electrolyte and exposure of surface active sites, and metal ions are introduced into the carbon nanotubes of the carbon nanotube composite material, so that the electrochemical performance of the material is improved, and meanwhile, the carbon nanotubes are supported; the condition that the cyclicity of the material is reduced due to collapse of the carbon nano tube in the reaction process is prevented; cobalt is introduced outside the carbon nano tube, so that the energy density of the battery can be improved, the structures of the carbon nano tube and the positive electrode material can be stabilized, and the degradation of the material is reduced.

The invention relates to the technical field of holders, and discloses a self-stabilization holder searchlight tracking system, which comprises a holder autonomous stabilization subsystem, a tracking control subsystem and a searchlight subsystem, and is characterized in that the holder autonomous stabilization subsystem comprises a servo motor, a servo motor connecting arm, a servo controller and an attitude position sensor; one end of the servo motor connecting arm is fixedly connected with the servo motor, the other end of the servo motor connecting arm is fixedly provided with a fixing structure, and the top of the fixing structure is provided with a data transmission interface. According to the self-stabilizing pan-tilt searchlight tracking system, stable operation of a searchlight at different angles and in complex environments is achieved through the pan-tilt autonomous stabilizing system, the system can automatically adjust the direction and angle of the searchlight according to the position of a target, it is ensured that continuous tracking is conducted in the target moving process, and efficient illumination is provided; the design improves the precision of target tracking and the stability of illumination, and is suitable for various application scenes such as night monitoring, security patrol, search and rescue and the like.

The invention discloses sewage treatment equipment suitable for urban sewage treatment, and relates to the technical field of sewage treatment.The sewage treatment equipment comprises a barrel, a discharging hopper is fixedly connected to the top of the barrel, the discharging end of the discharging hopper is located in the barrel, a T-shaped block is fixedly connected to the interior of the barrel, and an arc-shaped annular plate is fixedly connected to the middle of the top of the T-shaped block; a through hole is formed in the outer side of the arc-shaped annular plate, an extension hole is formed in the T-shaped block, a hollow ball is slidably connected into the extension hole, a round rod is fixedly connected to the top of the hollow ball, and a floating ball is fixedly connected to the end, away from the hollow ball, of the round rod. According to the sewage treatment equipment suitable for urban sewage treatment, separation can be better achieved through the surface tension difference of oil and water through the arc-shaped narrow opening, when an oil-water mixture passes through the arc-shaped narrow opening, due to the effect of surface tension, water tends to flow on the inner side of the narrow opening, oil flows on the outer side, and therefore the oil-water mixture is separated from the oil-water mixture. The oil-water separation efficiency is favorably improved.

The invention relates to a preparation method of an antibacterial film. The preparation method comprises the following steps: preparing and forming an m-SiO2-SH-Ag-HA composite material; and blending the m-SiO2-SH-Ag-HA composite material into a membrane material, so as to form the antibacterial membrane. The hydrophilic HA in the antibacterial film formed by the preparation method can coat the outer side of m-SiO2-SH-Ag through electrostatic interaction to form an electrostatic barrier, effectively prevent the release of Ag < + > and play roles in stabilization, protection and slow release on one hand, and can increase the hydrophilicity of the surface of the film and effectively inhibit the early adhesion of bacteria on the other hand. When the target bacteria appear, HA coated on the surface of the m-SiO2-SH-Ag-HA is degraded by secreting hyaluronidase, so that the exposure and release of Ag < + > are promoted. The antibacterial film disclosed by the invention can release sterilization components through enzymatic initiation to realize on-demand antibiosis, and toxic and side effects and resource waste caused by uncontrollable continuous release of Ag < + > to the environment are avoided.

The invention belongs to the technical field of coal mining machine cutting pick holder welding equipment, and particularly relates to a coal mining machine roller cutting pick holder welding positioning device which comprises a supporting plate, the bottom end of the supporting plate is fixedly connected with a fixing frame, and the bottom end of the fixing frame is fixedly connected with a lifting mechanism. According to the welding and positioning device for the cutting pick holder of the coal cutter roller, the function of automatically and accurately positioning the welding angle is achieved when the cutting pick holder and the coal cutter roller are welded, and the welding and positioning device for the cutting pick holder of the coal cutter roller further has the height adjusting function, so that the convenience and efficiency of welding and mounting of the cutting pick holder and the coal cutter roller can be improved, and the labor intensity of welding personnel is reduced; in addition, the coal cutter roller cutting tooth seat welding positioning device further has the functions of continuously cooling a welding area and purifying welding smoke dust, welding angle positioning deformation of the cutting tooth sleeve can be effectively prevented through continuous cooling of the welding area, the welding quality can be improved, and the using reliability and the environmental protection performance of the device can be improved.

The present invention relates to the technical field of medical devices, and in particular to a cystoscope capable of accurately locating the position of a double-J tube, comprising a handle portion and a mirror body portion, a clamp channel being arranged in the mirror body portion, the mirror body portion comprising an operating section and a main mirror tube section, an imaging system for photographing images being arranged at the end of the operating section; a tube clamping assembly is also arranged in the operating section, the tube clamping assembly comprises a limit plate and a push component, the limit plate is connected to the push component, and the clamp channel is arranged above the limit plate; a limit card slot is also arranged along the central axis of the limit plate, baffles are also arranged on both sides of the limit card slot body, and the double-J tube can pass through the baffles. In the removal operation of the double-J tube, when the double-J tube passes through the baffle, the mirror body portion is pulled backward, and in this process, the length of the double-J tube above the limit plate is gradually shortened, the originally curled end of the double-J tube can be gradually stretched, and the end of the double-J tube can be exposed on the surface of the limit plate, thereby improving the convenience of removing the double-J tube.

The invention relates to the technical field of dust falling devices, and discloses a building construction dust prevention and falling device convenient to move, which comprises a base, a push rod is fixedly connected to the top of the base, a water tank is fixedly connected to the top of the base, a water pump is fixedly mounted at the top of the water tank, and a connecting shaft is rotatably connected to the inner wall of a fixing plate. Before humidification, a worker can rotate a rotary disc to adjust a sprayer, the humidification and dust falling range of the sprayer is enlarged, the contact opportunity of particles and water mist is increased, the dust falling effect is improved, and the practicability is high. When moving humidification is carried out, the reciprocating sliding groove drives the sprayer to move and spray, the spraying range is larger, the situation that dust falling is not carried out in too many blind areas is avoided, the efficiency and quality of dust falling operation are improved, it is guaranteed that water mist is evenly covered, and resources are saved.

The invention relates to a dyeing device and technology of animal fur-imitated garment fabric, and relates to the technical field of fur dyeing, the dyeing device comprises a base, a rack is fixedly arranged on the base, a winding wheel and a tightening wheel are rotatably arranged on the top of the rack, a traction rope is wound on the winding wheel, and the tightening wheel is arranged on the winding wheel; the end part of the traction rope is connected with one end of the fur fabric, and an intermittent rotating assembly is arranged on the rack; a tightening rope is wound on the tightening wheel, and the end part of the traction rope is connected with the other end of the fur fabric; a dyeing disc is fixedly arranged on the base, a sliding rail is fixedly arranged on the machine frame, a sliding block is arranged on the sliding rail in a sliding mode, a brush roller is rotationally arranged on the sliding block, the brush roller makes contact with a fur tip of fur fabric and makes contact with dye in the dyeing disc, and a reciprocating sliding assembly is further arranged on the machine frame. The printing and dyeing device has the effects of improving the printing and dyeing uniformity of the fur tips of the imitated animal fur and ensuring the quality and attractiveness of the imitated animal fur.

The invention relates to the technical field of freshwater fish culture, and discloses a culture box for freshwater fish culture, which comprises a culture box and a feeding tank, the top of the feeding tank is fixedly connected with a feeding hopper, and a feeding mechanism is arranged in the feeding tank; the feeding mechanism comprises a motor, a vertical shaft, a disc, movable teeth and fixed teeth; the motor is fixedly connected to the outer wall of the top of the feeding tank, the output end of the bottom of the motor penetrates into the feeding tank, animal livers in the smashing chamber are smashed into small blocks through friction and collision of movable teeth and fixed teeth, swallowing of the mandarin fish fries is facilitated, growth and development of the mandarin fish fries are facilitated, a bent pipe is driven by a disc to rotate, and the feeding efficiency is improved. The feeding range is expanded through the rotating bent pipe, and the gear and the rack are arranged to move back and forth in the rotating process of the bent pipe, so that the feeding range of the bent pipe is further expanded, mandarin fish fries are prevented from being grabbed by adult fishes during concentrated feeding, mandarin fish ingestion is more uniform, and the overall mandarin fish growth efficiency is improved.

The invention relates to the related technical field of dust treatment, and discloses a power plant dust monitoring and adjusting system with a raised dust suppression function, which comprises a box body, a treatment box is fixedly arranged in the box body, a first treatment cavity and a second treatment cavity are arranged in the middle of the interior of the treatment box, and a fixed frame is fixedly arranged in the second treatment cavity; a processing assembly is arranged in the fixing frame. The two second baffles get close to each other to extrude the multiple activated carbon particles, so that the inclination height of the multiple activated carbon particles between the two second baffles is reduced, the inclination width of the multiple activated carbon particles between the two second baffles is increased, the contact stroke of gas and the multiple activated carbon particles is prolonged, and the stability of the activated carbon particles is improved. The adsorption effect of the activated carbon particles on dust in the gas is improved, so that the treatment assembly can be adjusted according to the gas treatment quality condition, and the dust in the gas can be fully adsorbed and treated.

The invention relates to the technical field of carbon dioxide recovery waste gas purification, in particular to waste gas purification equipment for carbon dioxide recovery and a purification method thereof.The waste gas purification equipment for carbon dioxide recovery comprises a shell assembly and further comprises a slag removal assembly, and the slag removal assembly comprises a fixed cylinder and a rotating part; the rotating component comprises a slag removal motor, a first stirring plate and a second stirring plate, a fan-shaped shell is fixedly mounted at the bottom of the outer cylinder, a water outlet part is arranged at the bottom of the fan-shaped shell, and a collecting component is arranged in the fan-shaped shell, and the waste gas purification method for carbon dioxide recovery comprises the steps of spraying, purification and the like. The device has the advantages that sediments in the lime water are continuously removed in the waste gas purification process, the negative influence of sediment accumulation on the sulfur dioxide removal efficiency is avoided, sulfur dioxide in the waste gas is effectively purified, corrosion of the sulfur dioxide to subsequent carbon dioxide recovery equipment is reduced, and the reliability and the safety of a whole waste gas treatment system are improved.

The invention relates to the technical field of composite materials, in particular to a long glass fiber reinforced plastic preparation process autonomous regulation and control method based on image vision, which comprises the following steps: judging the color difference interval of glass fiber and a standard sample, and judging whether floating fiber exists in colloidal particles or not according to the color difference interval; judging whether the floating fiber condition is in a first floating fiber degree or a second floating fiber degree according to the floating fiber ratio; in the first fiber floating degree, judging that the fiber floating reason is insufficient and non-uniform impregnation according to the diameter difference between the material diameters; judging whether the equipment parameters are in a preset range, and adjusting the equipment parameters; in the second floating fiber degree, the deviation condition is judged according to the diameter difference value of the materials; and judging whether the offset degree is a first category or a second category according to the offset, analyzing the offset trend, and adjusting the proportion or traction force of the polypropylene resin. By performing image view analysis on the colloidal particles prepared from the long glass fiber reinforced plastic, the reason of fiber floating is judged, and the preparation process is correspondingly regulated and controlled.

The invention discloses a highly efficient synthesis device for synthesizing lithium hexafluorophosphate, which comprises: a main cavity for containing low-temperature anhydrous hydrofluoric acid; a cover for sealing the main cavity to prevent leakage of gas entering the main cavity; a gas supply convex plate evenly embedded in the side wall of the main cavity, which is an integrated structure with the main cavity and is provided with a plurality of one-way gas delivery valves; a gas delivery device, comprising a gas delivery cavity and a plurality of gas delivery pipelines evenly connected to one side of the gas delivery cavity, the gas delivery cavity being connected to the gas supply convex plate and the one-way gas delivery valve thereon; and a stirring device, comprising a rotating shaft driven by a motor and an impeller arranged on the rotating shaft. The contact area between the gas and the solution is greatly increased, and at the same time, the contact position between the gas and the solution is made more uniform, which solves the problem that the gas in the existing ventilation method is easy to repeatedly contact with the local solution, while reducing the chance of contact with other parts of the solution, resulting in insufficient reaction and reduced synthesis efficiency of lithium hexafluorophosphate.

The present invention discloses a method for preparing a separation-catalysis structured ultrafiltration membrane using electrospun nanofibers as a substrate. The method uses a nanofiber membrane doped with nanoparticles prepared by electrospinning as a substrate, synthesizes an ultrafiltration membrane thereon by a non-solvent induced phase separation method, and obtains a multifunctional membrane with a separation-catalysis spatial order. The membrane successfully integrates separation and catalysis into a functionalized molecular sieve membrane, which not only maintains the original high flux and high retention of the ultrafiltration membrane, but also can select suitable nanomaterial electrospun nanofibers as a base catalytic layer according to different pollutants, thereby achieving efficient degradation of pollutants. The removal of multi-component pollutants mainly depends on the orderly arrangement of separation and catalysis. Membrane separation removes macromolecular substances such as natural organic matter that affect the advanced oxidation process before catalysis, thereby improving the degradation performance of the catalytic layer for small molecules; at the same time, the confinement effect of the spinning fiber on the catalyst effectively solves the problem of nanoparticle loss.

The invention relates to the technical field of energy storage, in particular to an iron monatomic modified carbon nanotube array, a preparation method and application of the iron monatomic modified carbon nanotube array in an aqueous zinc-iodine battery, simple and convenient solid-phase reaction and high-temperature carbonization strategies are adopted, carbon cloth serves as a substrate, ferric acetylacetonate, boric acid, polyethylene glycol and urea serve as an iron source, a boron source, a carbon source and a nitrogen source respectively, and the iron monatomic modified carbon nanotube array is prepared. And after high-temperature calcination, growing an iron monatomic modified carbon nanotube array on the carbon cloth in situ. The iron single atom not only enhances the chemical capture capability of the carbon nanotube on the polyiodide, but also promotes the oxidation-reduction conversion of iodine; the carbon nanotube array provides a physical space for limited adsorption of iodine species and effectively promotes ion diffusion. Therefore, the obtained water-based zinc-iodine battery shows high specific capacity and good cycling stability. The whole technological process is simple and convenient to operate, has industrial application prospects, and provides a novel preparation method for the carbon-based iodine positive electrode host material of the aqueous zinc-iodine battery.

The invention relates to the technical field of photovoltaic module flexible supports, and discloses a photovoltaic module flexible support based on a lock catch structure, which solves the problem that rapid installation of a photovoltaic module is inconvenient to realize at present, and comprises two flexible inhaul cables, the same photovoltaic module is arranged above the two flexible inhaul cables, and the lock catch structure is arranged above the two flexible inhaul cables. A mounting mechanism is arranged on the outer side of the photovoltaic module, a limiting mechanism and an adjusting mechanism are arranged on the mounting mechanism, the mounting mechanism comprises a mounting frame located on the outer side of the photovoltaic module, and a module frame is arranged on the inner side of the mounting frame; according to the invention, through the cooperation between a connecting plate and a sliding plate II and the cooperation between a sliding plate I and a spring I, the two abutting plates are convenient to move and abut against the assembly frame, and the assembly frame can be clamped front and back, and through the cooperation between a movable rod I and an inner block as well as between an inner rod, the assembly frame can be clamped; and the two insertion rods can be conveniently inserted into the two insertion holes to clamp the module frame left and right, so that the photovoltaic module can be conveniently and rapidly installed.

The invention relates to the technical field of advertisement putting, in particular to a digital advertisement system. The system comprises a data acquisition preprocessing module, a deep learning model reasoning module, a scene adaptation decision module, a dynamic frequency adjustment module and a performance monitoring and feedback circulation module. The data acquisition preprocessing module collects and cleans multi-dimensional user behavior data in real time, and ensures high-quality data input; the deep learning model reasoning module constructs and updates a context sensing map, captures the instant demand and complex context relationship of the user, and provides an accurate personalized recommendation basis; and the scene adaptation decision module intelligently judges the instant state of the user in combination with the real-time context information, and determines the optimal advertisement display opportunity. According to the method, a context perception map technology is introduced into a deep learning model reasoning module, so that accurate capture of instant behaviors of a user and a complex context relationship is realized, and the instant behaviors and the complex context relationship are efficiently associated, and therefore, more personalized and timely advertisement contents are provided.

The invention relates to a face-beautifying sunscreen composition and cosmetics, the face-beautifying sunscreen composition comprises a first type of powder, a second type of powder and a film-forming agent, the first type of powder comprises a titanium dioxide mixture, zinc oxide and ferric oxide, and the second type of powder comprises spherical powder, flaky powder and hexagonal hollow tubular powder. The first type of powder and the second type of powder are powder made of different materials; the titanium dioxide mixture comprises spindle-shaped titanium dioxide with the average particle size of 8 nm to 60 nm, spherical titanium dioxide with the average particle size of 200 nm to 300 nm and rod-shaped titanium dioxide with the short diameter of 0.2 mu m to 0.5 mu m and the long diameter of 1 mu m to 5 mu m. The cosmetic prepared from the beautifying and sunscreen composition not only has excellent sunscreen and concealing effects, but also has the effects of beautifying and sunscreen products, can effectively reduce makeup steps, avoids the conditions of skin mud rubbing, acnes and the like caused by accumulation of sunscreen and beautifying products, and is good in makeup holding effect and excellent in makeup effect.

The invention discloses a treatment method for synchronously removing ammonia nitrogen and organic matters in biogas slurry, which comprises the following steps: the biogas slurry is subjected to electrochemical treatment and ultraviolet radiation treatment at the same time, the anode adopted in the electrochemical treatment comprises a ruthenium iridium titanium electrode, and the cathode comprises an iron-doped modified carbon felt electrode. The preparation method of the iron-doped modified carbon felt electrode comprises the following steps: a, carrying out ultrasonic cleaning on a carbon felt; b, the cleaned carbon felt is soaked in acid liquor to be activated; c, dipping the activated carbon felt in a polytetrafluoroethylene solution; d, coating one side of the carbon felt treated in the step c with a solution containing carbon powder and polytetrafluoroethylene, and drying to obtain a carbon felt containing a catalyst layer; and e, dropwise adding an iron-containing precursor solution onto the carbon felt catalyst layer, and calcining to obtain the iron-doped modified carbon felt electrode. The treatment method provided by the invention realizes in-situ generation and activation of hydrogen peroxide, enhances removal of organic pollutants, reduces consumption of active chlorine by organic matters, and realizes synchronous removal of ammonia nitrogen and organic matters in the biogas slurry.

The invention discloses a preparation method of Ni / S co-doped hollow carbon spheres for producing H2O2 through efficient electro-catalysis ORR. The preparation method comprises the following specific steps: dispersing polystyrene microspheres, nickel nitrate hexahydrate, thiosemicarbazide and dopamine hydrochloride into a tris (hydroxymethyl) aminomethane buffer solution to obtain a mixed solution; performing centrifugation, washing, drying and drying treatment to obtain precursor powder; and carrying out high-temperature calcination on the precursor under the protection of N2, cooling to room temperature, and carrying out acid leaching, water washing and drying on the product to obtain the Ni / S co-doped hollow carbon spheres. Benefited from the regulation and control effect of doped S on an Ni atom electronic structure and the synergistic effect of a hollow structure with a high specific surface area, the Ni / S co-doped hollow carbon sphere has extremely high H2O2 selectivity and excellent catalytic activity in an alkaline 2e-ORR process, and shows high H2O2 yield and Faraday efficiency in an electrocatalytic H2O2 production test.

The invention provides an all-solid-state battery electrode slurry preparation method, which comprises: S101, mixing a positive electrode active material, a sulfide solid electrolyte and a non-polar solvent after weighing to obtain a mixture A; s102, mixing the mixture A with a conductive agent to obtain a mixture B; s103, the mixture B and the binder solution are mixed and pulped, and the slurry is obtained. The positive electrode active material, the sulfide solid electrolyte and the non-polar solvent are subjected to wet grinding together, and the non-polar solvent can dissolve and disperse the sulfide solid electrolyte so that the sulfide solid electrolyte can make full contact with the positive electrode active material. The strong shearing force of wet grinding during mixing can refine the sulfide solid electrolyte to reduce the particle size of the sulfide solid electrolyte, so that the contact state of the sulfide solid electrolyte and the positive electrode active material is improved. The conductive agent is added after the first mixing, so that the damage of the conductive agent to the sulfide solid electrolyte is reduced, and the integrity of an electron transport network after the slurry is prepared into an electrode is ensured.

The invention belongs to the technical field of energetic materials, and discloses a nano-composite thermite composed of a gallium-aluminum alloy and a three-dimensional porous oxide and a preparation method and application of the nano-composite thermite. According to the method, a novel thermite is developed through component regulation and structural design, generation of a complete and uniform Al2O3 passivation layer on the surface of the aluminum fuel is inhibited by introducing liquid metal gallium, and meanwhile, the activity of nano aluminum is protected, the contact degree of thermite components is enhanced and the mass transfer diffusion length is shortened by combining the confinement effect of different three-dimensional porous oxidants; and thus, the high-performance aluminum-gallium-based nano-composite thermite is obtained.

The invention relates to the technical field of wastewater treatment, in particular to a reaction device for chemical organic matter degradation, the reaction device for chemical organic matter degradation comprises a shell mechanism, a driving mechanism, two stirring mechanisms, an auxiliary mechanism and a cleaning mechanism, the shell mechanism comprises two supporting columns, a heating shell and a reaction shell, the two supporting columns are installed on the ground at intervals, the heating shell is fixedly installed between the two supporting columns, the reaction shell is installed in the heating shell, the stirring mechanism is driven by the driving mechanism to stir mixed liquid in the reaction cavity, the contact and mixing effects between organic matter liquid and a degradation agent are improved, and therefore the mixing efficiency is improved; the cleaning mechanism can be used for cleaning the gas outlet of the gas guide auxiliary assembly, so that the blockage condition is prevented, the auxiliary gas can be ensured to smoothly enter the reaction cavity, and the normal reaction is ensured.

The invention relates to a sewage treatment device for ecological environment governance, which comprises a device box body, the top of the device box body is of an open structure, a concave plate body is mounted at the top of the device box body, a first motor is mounted on the side surface of the concave plate body, and one side of the first motor is connected with a threaded rod; and the end, away from the first motor, of the threaded rod penetrates through the concave plate body and the moving block to be rotationally connected with a bearing, the bearing is installed on the inner side face of the concave plate body, and a screw hole in the moving block is in threaded connection with the threaded rod. According to the sewage treatment device, a plurality of third pipelines are arranged, so that the filler is actively contacted with sewage at different positions, the sewage treatment effect is improved, in addition, in the rotating process of the stirring shells, oxygen is directly input into the centers of the filler in the plurality of stirring shells through aeration heads on the surfaces of the plurality of third pipelines, and the oxygen is directly and fully contacted with the filler at different positions.