22results about How to "Quick capture" patented technology

The utility model provides a battery device, a power utilization device and an energy storage device, and belongs to the technical field of batteries. The battery device comprises a battery monomer, a box body and a sensor, wherein the battery monomer comprises a first pressure relief structure; the box body comprises a frame, a second pressure relief structure, a first assembly and a second assembly; the second pressure relief structure is arranged on the frame, and the first assembly is connected with the frame and is opposite to the first pressure relief structure; the first assembly and the frame define a battery bin and an electrical bin which are arranged at an interval, the electrical bin is located on the side, close to the second pressure relief structure, of the battery bin, and the single batteries are located in the battery bin; the first assembly is provided with a first channel communicated with the battery compartment; the second assembly is arranged in the electrical bin and connected with the first assembly and the frame. The second assembly is provided with a second channel communicating with the first channel and the second pressure relief structure. The sensor is arranged in the second channel and used for collecting smoke information of the second channel. According to the invention, the sensitivity and accuracy of smoke monitoring can be improved.

The invention relates to a rapid detection method for cadmium residual quantity in aquatic products based on magnetic qualitative separation and polarized light distinguishing and quantifying. The method comprises the following steps: coupling a biotinylated cadmium monoclonal antibody through streptavidin magnetic microspheres, and specifically enriching trace cadmium in the aquatic product digestive juice to form a magnetic compound; a muller matrix microscope is used for collecting a polarization microscopic image of a compound, and a deep learning model (such as RESNET34) is combined to carry out binary classification and particle counting on the image, so that rapid and high-sensitivity quantitative detection of cadmium can be realized. The method is easy and convenient to operate, the target object magnetic separation time is within 2 min, the particle distinguishing accuracy rate is higher than 84%, the quantitative correlation Rreaches 0.9 or above, and the method is suitable for rapid monitoring of trace cadmium (several micrograms / L) in aquatic products.

The application discloses a cobalt-phosphorus-cobalt oxide composite electrode material and application thereof as an anode of a direct borohydride fuel cell. First, a conductive substrate is placed in an aqueous solution containing a cobalt source, ammonium fluoride and urea to perform a hydrothermal reaction; after being reduced to room temperature, the conductive substrate is repeatedly cleaned with deionized water, and then is placed in a solution containing sodium hypophosphite to perform immersion; finally, the conductive substrate is calcined at high temperature in a vacuum environment to obtain the cobalt-phosphorus-cobalt oxide loaded on the conductive substrate in situ. The electrode material preparation method provided by the application converts the original contact between a carrier gas and an electrode surface in a phosphorization process into the in-situ adhesion of a phosphorus solution on the electrode surface, realizes a uniform phosphorization process, is low in cost and easy to be industrialized, and the material can be used as an anode material of the direct borohydride fuel cell.

This invention relates to the field of satellite communication mission planning technology, and proposes a laser communication link planning method and system that integrates illumination constraints to avoid misjudgments and missed judgments caused by ground background light entering the acquisition camera. This invention simulates the movement position of the acquisition camera, then combines satellite orbit and attitude data, and determines the direction of the acquisition camera's central optical axis and the ground projection range of the camera's field of view through coordinate system transformation. Based on the Earth-Sun motion and illumination constraints, it determines whether the image is affected by illumination, thereby determining a reasonable link plan. It provides a scanning range planning mode to predict a reasonable scanning range for the satellite acquisition camera, and a scanning time period planning mode to predict a reasonable scanning time period for the satellite acquisition camera, offering flexible application options for laser communication link planning and promoting rapid and accurate ground-transmitted beam acquisition in lunar space and even deeper space.

The present application relates to the field of powder coating, and proposes a matt powder coating capable of long-acting adsorption of environmental odor and a manufacturing method thereof.The matt powder coating capable of long-acting adsorption of environmental odor is composed of raw materials of the following components in mass percentage: epoxy resin 45-60%, polyester resin 15-20%, auxiliary agent 4.4-8.9%, barium sulfate 15-25%, molecular sieve 1.5-3%, diatomite 2-4%, silicon dioxide 0.3-0.8%, magnesium-aluminum hydrotalcite 0.5-1.5%, and photocatalyst powder 0.1-1.5%. Through the above technical solution, the problem of the powder coating in the related art without odor-eliminating function or with insufficient odor-eliminating function is solved.

The invention relates to the technical field of oilfield sewage treatment, and particularly discloses a composite water clarifier for oilfield sewage treatment and a preparation method of the composite water clarifier. The invention relates to a composite water clarifier for oilfield sewage treatment. The composite water clarifier is prepared from the following raw materials: dual modified polyacrylamide, an imidazoline quaternary ammonium salt grafted copolymer, a scale inhibitor, an adsorbent, dodecyl dimethyl betaine, a coagulant aid and deionized water, the double modified polyacrylamide is obtained by performing double modification on polyacrylamide by using 2, 3-epoxypropyl trimethyl ammonium chloride and a hydrophobic monomer; the imidazoline quaternary ammonium salt grafted copolymer is a grafted copolymer of imidazoline quaternary ammonium salt, acrylamide and acrylamide-2-methylpropanesulfonic acid. The composite water clarifier can be used for treating high-salt and high-oil sewage generated in the middle and later periods of oilfield exploitation, has the advantages of being high in salt resistance, thorough in demulsification and good in flocculation effect, can efficiently remove oil and suspended solids, ensures that effluent reaches the standard, and meets the complex sewage treatment requirements of an oilfield.

The present application belongs to the technical field of solid waste resource utilization and heavy metal pollution control, and relates to a method for deep and gradient separation of heavy metals in biogas residue based on microwave-induced subcritical hydrothermal and magnetic ion imprinting coupling, which comprises the following steps: providing a heat-resistant magnetic ion imprinting composite material, wherein the composite material is a core-shell structure, the inner core is ethylenediaminetetraacetic acid modified magnetic nanoparticles, and the shell is a heat-resistant ion imprinting polymer, and the heat-resistant ion imprinting polymer takes heavy metals to be deeply and gradiently separated as a template; mixing the composite material with biogas residue, then performing microwave subcritical hydrothermal treatment, and then performing magnetic separation. The method of the present application realizes efficient complexation of heavy metals and organic matter through microwave-assisted subcritical water environment, simultaneously realizes target capture of heavy metals through in-situ introduction of heat-resistant magnetic ion imprinting polymer, and finally realizes efficient separation and resource utilization of heavy metals and biogas residue components through magnetic separation.

The invention discloses a collaborative combustion device with a rich-lean separator and a collaborative combustion method, and relates to a combustion device and a combustion method. The invention aims to solve the problems that ignition and stable combustion cannot be intensified by improving local pulverized coal concentration in low load and oxygen distribution and a combustion path are difficult to optimize through staged combustion in high load in the existing collaborative combustion technology. According to the invention, thick pulverized coal airflow and thin pulverized coal airflow are formed under low load through the external thick-thin separator, staged combustion of pulverized coal is realized, the combustion energy is gradually amplified, and the stable combustion effect of a coal power unit under the working condition of 15% rated load only by means of pulverized coal combustion can be realized; and thick pulverized coal airflow and light pulverized coal airflow are formed under high load, so that pulverized coal burnout is facilitated, the combustion efficiency is improved, the air speed and pulverized coal proportion are adaptively regulated and controlled in a full-load manner, multi-coal wide-load fluctuation is adapted, the efficiency of a corner tangential pulverized coal combustion boiler is improved by at least 3%, and the energy-saving benefit is remarkable. The invention belongs to the technical field of tangential boiler combustion.

This invention relates to the field of composite catalyst technology, specifically to a method for preparing and applying a MOFs-based composite catalyst, comprising the following steps: dispersing modified MOFs and modified GO in a modified solvent, adding N,N'-dicyclohexylcarbodiimide and 4-dimethylaminopyridine; after the reaction, centrifuging to collect the precipitate, washing the precipitate with sufficient modified solvent and anhydrous ethanol, and finally washing with deionized water until the filtrate is clear to obtain a purified product; dispersing the purified product in methanol and refluxing to obtain the modified MOFs-based composite catalyst. This invention utilizes the bimetallic active sites of modified MOFs, the electronic conductivity of modified GO, and the uniformly dispersed structure formed with the assistance of the modified solvent to achieve a synergistic effect of adsorption-mass transfer-catalysis. The catalyst first rapidly adsorbs organic pollutant molecules through its porous structure, then achieves oxidative degradation of pollutants through efficient photogenerated carrier separation, and finally releases degradation products through unobstructed pores.

The invention belongs to the technical field of ATE diagnosis, particularly relates to a test breakpoint control method and system for an ATE diagnosis process, and is used for solving the problems that existing ATE diagnosis breakpoint control depends on software codes, the operation threshold is high, hardware identifiers cannot be accurately associated, and the fault positioning efficiency is low. The method comprises the following steps: configuring breakpoint parameters, wherein the breakpoint parameters comprise identification information and trigger conditions of a target hardware unit; loading the breakpoint parameter into a test flow of an ATE diagnosis process; in the process of executing the test process, contextual information of a currently tested hardware unit is obtained in real time, and the contextual information comprises an identifier of the current hardware unit; matching the identifier of the current hardware unit with the identifier information of the target hardware unit, and if the identifier information of the current hardware unit is consistent with the identifier information of the target hardware unit and meets the trigger condition, triggering interruption to suspend the current test process; and in response to a recovery instruction, releasing the interruption and continuing to execute the test process.

The utility model discloses a slurry electromagnetic deironing system for ternary precursor purification, which comprises an electromagnetic component, a valve component, a control unit, a raw material storage tank, a purified material storage tank and a magnetic foreign matter collecting component, the electromagnetic component comprises a shell, and the control unit is respectively in signal connection with the valve component and the electromagnetic component. The raw material storage tank is connected to the feeding port and the material returning port through the valve assemblies, and the purified material storage tank and the magnetic foreign matter collecting assembly are connected to the discharging port and the slag discharging port through the valve assemblies correspondingly. The compressed air source and the flushing fluid source are connected to the air inlet through the valve assembly, and the liquid inlet purges non-magnetic materials into the raw material storage tank and flushes magnetic foreign matter to the magnetic foreign matter collecting assembly from top to bottom under the assistance of gravity. According to the utility model, a compressed air source is injected from the air inlet in the upper part of the shell and purges from top to bottom under the assistance of gravity, so that non-magnetic slurry and part of magnetic foreign matters are respectively returned to the raw material storage tank and the magnetic foreign matter collecting component.

The application discloses a kind of camera equipment parameter-independent fast multi-view fish-eye image and video splicing method, comprising the following steps: S1, the fish-eye image of fish-eye camera shooting is preprocessed, the pre-processing includes image correction and inter-lens parallax optimization;S2, the image after pre-processing is registered using the method based on grid transformation;S3, image registration is optimized;S4, dynamic video splicing is carried out, and panoramic image and video are obtained.The application has lower computational complexity, can quickly capture the scene information around camera, can effectively improve the accuracy, adaptability and computational efficiency of image and video splicing, is conducive to being combined with computer vision and computer graphics and other computer tasks;The application method has wide application range and strong robustness, can still realize high-precision panoramic splicing quality in different types of natural scenes, and can be applied to related computer applications with high requirements for panoramic image and video quality.

The invention discloses a porous polyurethane skeleton interface evaporator based on MXene / carbon black synergistic photothermal conversion and a preparation method and application thereof.The method comprises the steps that a Ti3AlC2 precursor is selectively etched through a lithium salt-acid system, and MXene powder is prepared; polyvinylpyrrolidone is dissolved in distilled water to form a dispersion medium, carbon black and MXene powder are added into the dispersion medium for uniform dispersion, and a composite photo-thermal dispersion system is constructed; then, polyurethane foam is immersed in the dispersion system, through adsorption and drying treatment, the photo-thermal material is stably loaded on the surface of a foam framework and in internal pore channels, and therefore the composite photo-thermal evaporator with the high light absorption capacity and the efficient water transportation performance is obtained. The preparation method is simple in technological process, wide in raw material source, low in cost and environmentally friendly, and the prepared photo-thermal evaporator is suitable for high-salinity wastewater treatment and has a good application prospect in the field of water-salt-energy synergistic utilization.

The invention discloses a liquid-liquid extraction dearomatization process and system, and belongs to the field of petrochemical industry. According to the process, N, N '-dialkyl pyrrolidone and / or N, N'-dioxypyrrolidone is used as an extraction solvent, and separation is completed through four steps of liquid-liquid extraction, raffinate oil rectification, back extraction and solvent and aromatic hydrocarbon recovery. The aromatic hydrocarbon selectivity and dissolving capacity are enhanced through the double-ring synergistic effect of the twin-structure solvent, the problems that an existing monocyclic solvent is low in selectivity and large in agent-oil ratio, and water washing is needed for solvent recovery are solved, raw material pretreatment and a cosolvent are not needed in the process, the aromatic hydrocarbon recovery rate reaches 85% or above, the solvent recovery rate exceeds 91%, and the method is suitable for industrial production. The method is suitable for high-efficiency separation of aromatic hydrocarbons and non-aromatic hydrocarbons of various fuel oils such as straight-run diesel oil, catalytic diesel oil and reformed gasoline.

The invention relates to an aircraft recovery device and method, in particular to an automatic recovery device and method for a marine unmanned aerial vehicle under complex sea conditions, and aims to solve the problems that an existing unmanned aerial vehicle recovery device is poor in adaptability, prone to damage an unmanned aerial vehicle body, insufficient in precision and low in automation degree when facing the complex sea conditions. The device comprises two capturing and correcting mounting seats, two transverse correcting parts, two longitudinal correcting parts, two capturing steel wire rope parts and two folding wing parts, wherein the two transverse restoration components are used for restoring the angle and the transverse position of the unmanned aerial vehicle through a skid, the two longitudinal restoration components are used for restoring the longitudinal position of the unmanned aerial vehicle through the skid, the two capturing steel wire rope components are used for capturing the unmanned aerial vehicle through the skid, and the two wing folding components are used for folding wings of the unmanned aerial vehicle. Safe, rapid and flexible capturing of the composite wing unmanned aerial vehicle can be achieved, and the impact force and structural damage of the unmanned aerial vehicle in the recovery process can be remarkably reduced.

This utility model discloses a pre-cleaning device for pump casing surface treatment with a water-saving mechanism, including a cleaning chamber, a main pipe, a high-pressure hose, a high-pressure nozzle, a first water pipe, a second water pipe, a water supply pump, a spray chamber, a first drive motor, and a first fan. The main pipe is arranged on the upper surface of the cleaning chamber, and a water supply pipe is arranged on one side of the outer surface of the main pipe. A branch pipe is arranged at one end of the water supply pipe, and the first water pipe and the second water pipe are respectively arranged at one end of the branch pipe. One end of the second water pipe is connected to the water supply pump. High-pressure hoses are arranged on both sides of the main pipe. This utility model adopts a modular design. This pre-cleaning device for pump casing surface treatment with a water-saving mechanism, through innovative structure, magnetic adsorption, graded filtration and water return structure work together to build a high-efficiency composite filtration system, reduce the damage of impurities to the pump casing and equipment, improve the recycling rate of cleaning fluid, and reduce operating and environmental protection costs.

The invention discloses equipment for preparing high-purity ammonium rhenate by directly purifying a low-concentration rhenium solution. The equipment comprises a feeding unit, a resin pretreatment unit, an adsorption unit, a directional impurity removal unit, a sectional elution unit, a circulating enrichment unit and an evaporative crystallization unit which are controlled by a control unit in a centralized manner, a resin pretreatment unit with an annular distributor is arranged at the top of the adsorption column, uniform backwashing and ammonium activation are realized, impurities are selectively removed through a directional impurity removal unit after adsorption, and low-concentration eluent flows back to the adsorption column for secondary adsorption and enrichment through a sectional elution and circulating enrichment unit; feeding the high-concentration rhenium-rich liquid into an evaporative crystallization unit, and returning mother liquid to a system for circulation; therefore, through integrated integration and full-process automatic control, efficient adsorption, deep impurity removal, internal circulation concentration and high-purity crystallization of low-concentration rhenium are achieved, and the technical problems that in a traditional process, the adsorption rate is low, the product purity is insufficient, high-energy-consumption external concentration equipment is depended on, and operation is complex are solved.

The application belongs to the technical field of molecular imaging and biomedical materials, and particularly relates to a construction method of a radioactively labeled magnetic T1-T2 synergistic MRI-PET bimodal imaging probe and application thereof. The polyphenol substance is dissolved in methanol, the pH is adjusted, SPIO is dispersed in tetrahydrofuran, after mixing, the water-phase SPIO modified by the polyphenol is obtained. Then, the streptavidin is dissolved in water, the polydopa coating layer is formed by in-situ polymerization of the polydopa and is coupled with the streptavidin, the biotin-modified targeting ligand is combined, the targeted MRI probe is obtained, and finally the radioactive metal element such as Cu, 64 Cu, 68 Ga is efficiently chelated to obtain the T1-T2 synergistic MRI-PET bimodal probe, the probe has the advantages of strong stability, high hydrophilicity, good biocompatibility, high relaxivity, good tumor targeting, high sensitivity of PET for whole body quantification, high soft tissue contrast of MRI T1-T2 and high spatial resolution.

The application relates to the field of new energy power generation technology and discloses a wind turbine abnormal data identification method, device, medium and product, which comprises the following steps: obtaining historical standard operation data and actual operation data of a wind turbine; calculating and determining a strong abnormal threshold and a general abnormal threshold according to the mean value and the standard deviation of the first logarithmic density estimation value of the historical standard operation data; calculating the second logarithmic density estimation value of the actual operation data; identifying abnormal data according to the comparison results of the second logarithmic density estimation value and the strong abnormal threshold and / or the general abnormal threshold and the comparison result of the variable observation value and the theoretical value in the actual operation data; the strong abnormal threshold and the general abnormal threshold are calculated from normal data; the bandwidth of each operation data is adaptively determined according to the geometric mean density; abnormal discrimination based on local density is realized; meanwhile, the double constraint judgment conditions of the observation value and the theoretical value are introduced; and the accuracy of abnormal data identification is improved.

This invention discloses a structural health monitoring method, device, electronic device, and storage medium. The method includes: determining a first parameter value for a health condition corresponding to a structural unit in a target structure, and determining a second parameter value for a damage condition corresponding to the structural unit; determining a damage index of the structural unit based on the first and second parameter values; generating a damage index histogram corresponding to the target structure based on the damage indices of each structural unit; and identifying structural units in the target structure that are damaged based on the damage index histogram. The technical solution provided by this invention can achieve rapid, reliable, and highly sensitive capture of instantaneous dynamic impact responses during aircraft operation, thereby enabling high-precision and high-sensitivity detection of multiple potential defects and damages in aircraft structures.

The invention provides a porous carbon material for adsorbing heavy metals as well as a preparation method and application thereof, and relates to the technical field of adsorbent preparation. The preparation method of the porous carbon material comprises the following steps: S1, adding dopamine hydrochloride and N-hydroxymethyl acrylamide into absolute ethyl alcohol, uniformly stirring, adding concentrated sulfuric acid, reacting, carrying out suction filtration, and washing to be neutral, so as to obtain DTA; s2, adding acrylamide, acrylonitrile, acrylic acid and 3-(acrylamide methyl)-5-benzoyl-4-hydroxy-2-methoxybenzenesulfonic acid into water to obtain a solution system, sequentially adding sodium hydroxide, the intermediate product DTA and 2-hydroxy-4-(2-hydroxyethoxy)-2-methyl propiophenone, carrying out ultrasonic treatment, irradiating under a mercury lamp light source, washing, and freeze-drying to obtain PAAAS-D; and S3, carrying out heating pre-oxidation treatment on the PAAAS-D, and then, carrying out carbonization in an inert atmosphere, so as to obtain the CPAAAS-D. The porous carbon material provided by the invention has abundant active sites and an optimized pore structure, and can efficiently adsorb Fe, Co and Ni heavy metal ions.

The application relates to the technical field of oilfield sewage treatment, and particularly discloses a composite water clarifying agent for oilfield sewage treatment and a preparation method thereof. The composite water clarifying agent for oilfield sewage treatment is prepared from the following raw materials: double-modified polyacrylamide, imidazoline quaternary ammonium salt graft copolymer, scale inhibitor, adsorbent, dodecyl dimethyl betaine, coagulant aid and deionized water; the double-modified polyacrylamide is obtained by double modification of 2,3-epoxypropyl trimethyl ammonium chloride and a hydrophobic monomer on polyacrylamide; and the imidazoline quaternary ammonium salt graft copolymer is a graft copolymer of imidazoline quaternary ammonium salt, acrylamide and acrylamide-2-methylpropane sulfonic acid. The composite water clarifying agent can be used for treating high-salt and high-oil sewage generated in the middle and late stages of oilfield exploitation, has the advantages of strong salt resistance, complete demulsification and good flocculation effect, can efficiently remove oil and suspended solids, ensures that the effluent meets the standards, and meets the complex sewage treatment requirements of oilfields.