55results about How to "Quick capture" patented technology

The invention relates to a distributed energy management system for prolonging the cycle life of a lithium battery. The system comprises an acquisition unit used for acquiring battery state characteristic data of single batteries in a lithium battery pack; the identification unit is used for carrying out charge and discharge abnormal mode identification on the battery state characteristic data to obtain charge and discharge abnormal event data; the decomposition unit is used for performing hierarchical characteristic decomposition and multi-dimensional fusion based on the charging and discharging abnormal event data to obtain a cycle life attenuation characteristic matrix; and the equalization control unit is used for carrying out life equalization control based on the cycle life attenuation characteristic matrix to obtain a target charge and discharge coefficient. According to the invention, the local over-charge and over-discharge phenomena are effectively inhibited, the service life loss of the battery pack is reduced, and the energy balance adjustment of the multi-node control unit is realized.

The invention provides a method for quickly training an LSTM (Long Short Term Memory) model by time series data, which relates to the technical field of data processing, and comprises the following steps: S1, a data integration stage: efficiently processing and utilizing telemetering real-time stream data through Kafka and Flink, s2, a data storage stage: storing the time sequence data processed in the integration stage into a high-performance database IoTDB specially designed for the time sequence data according to a time sequence, and S3, an algorithm application stage: constructing an LSTM model, setting parameters, optimizing the LSTM model, and performing time sequence data prediction by using an LSTM algorithm model. According to the method for rapidly training the LSTM model through the time series data, the time series telemetry data generated in the test flight process are collected and processed through Kafka, real-time data of an aircraft can be rapidly captured, processed and analyzed, data transmitted by a sensor and an algorithm model are decoupled through the Kafka, data output by the sensor can be directly sent to the Kafka, and the LSTM model can be rapidly trained through the Kafka. And it is avoided that an algorithm model needs to be concerned to process data.

The invention discloses a preparation method and application of an efficient migration-resistant hindered phenol antioxidant. The preparation method comprises the following steps: dissolving a hindered phenolic compound and an epoxy compound in a solvent to carry out ring-opening reaction, and then further reacting the carboxyl-activated hindered phenolic compound with a ring-opened product to obtain the novel antioxidant with 4-6 hindered phenolic hydroxyl groups in the structure. According to the novel antioxidant disclosed by the invention, on the basis of fully utilizing the capability of capturing free radicals by hindered phenolic hydroxyl, the oxidation resistance of the antioxidant is improved by changing a para-substituent structure, the migration resistance of the antioxidant is improved by changing the molecular weight and the molecular structure, and the service life of the antioxidant in a high polymer material is prolonged. The novel antioxidant has the advantages of simple process preparation, high efficiency, migration resistance and the like.

The invention provides a low-orbit satellite signal processing method and device and electronic equipment, and relates to the technical field of satellite navigation, and the method comprises the steps: carrying out the coarse capturing of a received signal, and obtaining the first carrier Doppler frequency offset of the received signal and the frame header position of a subframe of the received signal; performing frequency and phase compensation on the received signal based on the first carrier Doppler frequency offset to obtain a compensated signal; determining a part of signals starting from the frame header position in the compensated signals as target signals, and finely capturing the target signals to obtain second carrier Doppler frequency offset of the target signals and the frame header position of subframes of the target signals; and performing signal tracking and channel decoding based on the second carrier Doppler frequency offset and the frame header position of the subframe of the target signal to obtain message information in the received signal. The method can rapidly and accurately complete the capture of the received signals such as the SPT signals of the low-orbit satellite, and carries out the signal tracking and channel decoding, thereby rapidly and accurately obtaining the message information in the received signals.

The invention relates to the field of optical detection, in particular to an interference confocal measurement system based on two-dimensional dispersion and a measurement method thereof. White light generated by a light source is collimated into parallel light through a first collimating lens, is shaped into rectangular light through a rectangular diaphragm, and is shaped into a linear light beam through a column focusing lens and a rectangular slit; the light is divided into reference light and object light through a beam splitter, the reference light is achromatic through a first achromatic objective lens, then enters a reference plane mirror and is reflected back to the beam splitter by the reference plane mirror, the object light is focused to positions of different depths of an object to be measured after being dispersed through a dispersion lens and is reflected back to the beam splitter by the object to be measured, and the two beams of light are reconverged in the beam splitter. And after being collimated by the second collimating lens, dispersed by the dispersion grating and achromatic by the second achromatic objective lens in sequence, the light is focused on the target surface of the spectrograph for spectrum and interference analysis. According to the invention, line scanning, dispersion and interference measurement are combined, so that the measurement precision can be greatly improved.

The invention discloses a matching method and system based on a 5G network, Beidou positioning and non-line-of-sight microwave, and relates to the technical field of target signal positioning, and the matching method comprises the steps: building a static and dynamic combined calibration data set through obtaining high-precision geographic position information and real-time signal intensity data, and carrying out the calibration of the calibration data set; and adaptive direction adjustment and rapid focusing of the antenna are supported, and efficient communication and accurate positioning in a complex scene are realized. The calibration matching model is trained based on the calibration data set, so that the precision and adaptability of the model under multiple geographical environments and non-line-of-sight conditions are improved, an efficient antenna positioning mechanism is provided, and the stability and real-time performance of a communication link are guaranteed; the method is particularly suitable for complex environments such as disaster rescue, accident personnel can be quickly and accurately positioned, and rescue efficiency and action reliability are remarkably improved.

The utility model discloses a kind of wet dust removal devices for steel smelting stew slag smoke dust, including dust removal tower and wet electric dust collector, the inside of dust removal tower is spaced apart and is provided with multiple isolation ring plates, the inboard of isolation ring plate is fixed with water tank, the upper portion of water tank side wall is evenly distributed with multiple L-shaped ventilation pipes, the end of L-shaped ventilation pipe is stretched into the lower part of water tank downwards, the bottom of water tank is provided with drain pipe, the lower part of dust removal tower is provided with air inlet pipe, the end of air inlet pipe is bent downwards after being stretched into dust removal tower, the upper portion of dust removal tower is provided with center water pipe, multiple layers of spray pipes are spaced apart and are provided on center water pipe, the top of dust removal tower is communicated with wet electric dust collector by exhaust pipe. Above all, the utility model has the advantages of high dust removal efficiency, good dust removal effect, safety and environmental protection.

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 invention is applicable to the technical field of wastewater treatment, and particularly relates to a method and a system for treating nickel-containing wastewater by using a composite calcium-zinc-aluminum type metal oxide, the method comprises the following steps: obtaining nickel-containing wastewater of a secondary sedimentation tank, and adjusting the pH value of the nickel-containing wastewater of the secondary sedimentation tank to obtain intermediate wastewater; discharging the intermediate wastewater into a regeneration nickel removal tank, and adding a calcium-zinc-aluminum type metal oxide to obtain nickel-loaded calcium-zinc-aluminum type hydrotalcite precipitate; and recovering and drying the nickel-loaded calcium-zinc-aluminum hydrotalcite precipitate to obtain a nickel-loaded calcium-zinc-aluminum hydrotalcite product. According to the method for treating the nickel-containing wastewater by using the composite calcium-zinc-aluminum type metal oxide, the characteristics of large specific surface area and high adsorption performance of the composite calcium-zinc-aluminum type metal oxide are fully utilized, nickel ions in the wastewater are rapidly captured through physical adsorption, and meanwhile, the nickel ions are rapidly captured by using the composite calcium-zinc-aluminum type metal oxide. In the regeneration process, chemical bond combination is carried out on trapped nickel ions and calcium-zinc-aluminum hydrotalcite through chemical reaction to form nickel-loaded calcium-zinc-aluminum hydrotalcite, so that the reaction rate and the removal rate are improved.

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 a method for preparing a potassium oxalate-potassium montmorillonite nanocomposite explosion suppressant powder (OA-MMT), belonging to the field of explosion suppressant preparation technology. The invention first uses montmorillonite, which has strong adsorption capacity and cation exchange performance, as a matrix. Montmorillonite is mixed with deionized water and stirred to obtain a montmorillonite suspension. Then, hydrochloric acid and potassium carbonate are added to the suspension, followed by acidification activation and potassium ion exchange modification to obtain potassium montmorillonite. Oxalic acid is then incorporated into the potassium montmorillonite matrix, and the mixture is treated with ultrasound, drying, and grinding to finally obtain a novel powder explosion suppressant with highly efficient physical and chemical synergistic explosion suppressing effects. The powder explosion suppressant prepared by this invention has advantages such as easy storage, good explosion-proof performance, and extremely strong adsorption capacity for explosion energy, and has broad application prospects.

The invention relates to a rapid clamping mechanism for space and an installation and use method. The clamping mechanism comprises a pressing handle, a grab handle, a first torsional spring, a first pin, a cam, a second pin, a third pin, a second torsional spring, a steel wire rope, a fourth pin, a pressing tongue and a grip, and the pressing handle and the grab handle are connected through the first torsional spring and the first pin; the cam and the pressing tongue are installed on the pressing handle through the second pin and the second torsional spring. The steel wire rope is installed on the cam and the pressing tongue through the second pin, the third pin and the fourth pin. And the grip is connected with the grab handle. According to the rapid clamping mechanism for the space and the mounting and using method, the requirements of astronauts for rapid capturing, rapid clamping and rapid unlocking of handrails of different specifications in the space are met, and the clamping mechanism is simple, reliable and easy to operate and has very high interface safety and operability.

The invention provides a reusable plastic package cleaning agent and application thereof. The reusable plastic package cleaning agent can provide larger oleophylic space and stripping force; the interfacial tension between oil and water systems is reduced, and the free energy under the interface action is reduced, so that an oil phase attached to the surface of a plastic material is more easily stripped out. The uncontrollability of multiple oleophylic contact points of the multi-branched-chain surfactant is inhibited by adjusting the proportional relation of the dosage of the single-branched-chain surfactant and the dosage of the multi-branched-chain surfactant, and synergistic compounding of different surfactants is achieved. Compared with a surfactant with a single long-chain structure, the compound surfactant has the advantages that the oil stain removal is quicker and more stable, so that the efficient cleaning effect is realized.

The invention discloses a GNSS (Global Navigation Satellite System) signal satellite capturing and scheduling method and system. The capture scheduling unit is used for sequentially obtaining capture requests, obtaining to-be-captured satellite information from the capture requests, adding the to-be-captured satellite information into a capture scheduling linked list, extracting the to-be-captured satellite information from the capture scheduling linked list, and sequentially sending the to-be-captured satellite information to the capture kernel unit; the to-be-captured satellite information comprises a satellite number, a capturing mode, a trigger source, a judgment threshold and capturing times; the capture kernel unit is used for sequentially receiving the to-be-captured satellite information sent by the capture scheduling unit, performing priority division on the to-be-captured satellite information, and adding the to-be-captured satellite information into a capture kernel linked list of the corresponding priority according to the divided priority; and according to the priority of the capture kernel linked list, sequentially obtaining to-be-captured satellite information, calculating and starting capture, and judging whether the capture succeeds or not. The scheme provided by the invention can improve the operation stability of the receiver and reduce the power consumption.

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 invention discloses a time-space alignment method for rapid capture and steady-state tracking of a high-dynamic target, and the method comprises the steps: carrying out the recursion of gyro information to a star-sensitive exposure moment, carrying out the filtering fusion of the gyro information and star-sensitive information, achieving the high-precision attitude determination of a satellite platform, and carrying out the recursion of the satellite attitude determined at the star-sensitive exposure moment to a miss distance timestamp; a satellite attitude corresponding to the miss distance timestamp is obtained, and time alignment of satellite attitude information and target observation information is completed; converting a target sight vector under a satellite camera coordinate system into a target sight vector of an inertial system by using the satellite attitude of the miss distance timestamp, and estimating the inertial position and speed of the miss distance timestamp target through Kalman filtering; recursion is carried out on the target inertial position of the miss distance timestamp and the inertial position of the satellite to the control implementation moment, and space alignment of the satellite and the target is completed. According to the method, the problem of misalignment of target pointing control caused by multi-information space-time inconsistency is effectively solved, and rapid capture and steady-state tracking of the high-dynamic target are realized.

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.

The invention relates to preparation and application of a living cell membrane protein targeting photo-crosslinking agent, the cross-linking agent is TMTC13NHS-SO3-N = N, and the chemical structural formula of the cross-linking agent is as shown in the formula I in the specification. The chemical cross-linking agent has the following functional characteristics that in-situ cross-linking capture of living cell membrane protein can be realized, and the cross-linking agent comprises a succinimide ester-sulfonate reactive active group at one end and a diaziridine photoreactive active group at the other end, so that the cross-linking agent has membrane impermeability, high water solubility and biological compatibility, and can be used for in-situ cross-linking capture of living cell membrane protein. One-step enrichment can be realized by introducing a trimethylpiperidine group, and the problem that low-abundance cell membrane protein is difficult to identify is effectively solved. The chemical cross-linking agent is applied to the field of proteomics and provides important technical support for in-situ large-scale analysis of cell membrane protein compounds. # imgabs0 #

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 relates to a high-dynamic anti-interference method based on random discrete time-frequency phase distribution, is suitable for transmission of high-dynamic anti-interference signals, and belongs to the technical field of satellite communication. The method comprises the following steps: designing a time-frequency phase distribution range and distribution granularity of random discrete carrier frequency according to a use scene, carrying out multi-carrier modulation on a signal at a sending end by using carriers in three dimensions of time, frequency and phase, and synthesizing the signals on a plurality of carriers on one carrier at a receiving end to demodulate information data. An analysis result shows that the signal capturing method designed by the invention has good anti-interference and anti-interception performance, and the receiving terminal has the characteristics of high capturing speed and easiness in engineering realization.

The invention discloses a building component lightweight detection method and device based on OneFormer3D and a storage medium. A ground three-dimensional laser scanner is used for collecting three-dimensional point cloud data in a building. And performing denoising processing on the point cloud data in the building, and performing point cloud labeling to complete data preparation. And adopting a deep learning model based on OneFomer3D network structure optimization to obtain instance information of the building component. The building component with instance information is detected in a machine learning mode and compared with related specifications, and light-weight detection is achieved. Through the deep learning method based on the point cloud data, the detection task of the building component can be rapidly and accurately completed. Meanwhile, the method has the advantages of being high in automation degree, low in cost and the like, is suitable for quality control and maintenance of large-scale construction projects, and has wide application prospects.

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 present invention discloses a polypeptide, surface-modified magnetic beads, and a preparation method and application thereof. The amino acid sequence of the polypeptide is selected from one or more of SEQ ID NO: 1-25. The preparation method of the surface-modified magnetic beads is a hot solvent method, which comprises the following steps: S1, preparation of connecting unit-modified magnetic beads; S2, preparation of gold-modified magnetic beads; optionally, further comprising step S3, preparation of polypeptide-modified magnetic beads. The polypeptide of the present invention can target and bind to specific plasma proteins, especially low-abundance plasma proteins. When the obtained surface-modified magnetic beads are used for plasma protein detection, specific binding and rapid detection of low-abundance proteins can be achieved without separating high- and low-abundance proteins in plasma.