96results about How to "Reduce continuity" patented technology

The invention discloses a method for converting a two-dimensional image of a building component into a three-dimensional model, which relates to the technical field of image processing, and comprises the following steps of: comparing the size of the three-dimensional model of the component with the size of an actual building component to obtain error data between the two, and generating corresponding accuracy through a model error data set; if the accuracy of the component three-dimensional model does not exceed the expectation, carrying out coincidence analysis on the component three-dimensional model and the building component and obtaining the coincidence degree, generating a complete coefficient according to the coincidence degree, screening out defect areas in the component three-dimensional model according to the complete coefficient, and associating to obtain the optimization priority of each defect area; and after a model optimization scheme is given for the defect areas by the building component model optimization knowledge graph, optimizing the defect areas in sequence according to optimization priorities. A corresponding model optimization scheme is provided for the defect area through the building component model optimization knowledge graph, and the optimization pertinence is higher when all the defect areas are optimized.

The invention relates to the technical field of panoramic video processing, in particular to a panoramic video stability enhancement method based on space-time consistency, which comprises the following steps: acquiring a panoramic video frame sequence; obtaining spherical projection coordinates of each frame in the panoramic video frame sequence; based on the spherical projection coordinates, a deep learning model is constructed, and the deep learning model comprises a feature extraction encoder and a motion prediction compensation decoder; performing feature extraction on the panoramic video frame sequence by using a feature extraction encoder; performing motion prediction and compensation by using a motion prediction compensation decoder based on a feature extraction result; constructing a space-time filter according to the motion prediction and compensation result, and smoothing the motion vector; based on the smoothed motion vector, performing multi-frame motion analysis by using a long time sequence network; according to a multi-frame motion analysis result, designing panoramic video optical flow motion estimation; performing stable enhancement processing on the panoramic video frame sequence based on an optical flow motion estimation result; and outputting the stably enhanced panoramic video.

The invention discloses a method and device for eliminating moire through combined linear transformation and a storage medium. The method and device are used for improving the moire elimination effect on the basis that image feature information is reserved in the defect detection process. The method comprises the steps that a first image is acquired, and an effective area is searched in the first image; angular point coordinates of the effective area are calculated; carrying out geometric correction on the angular point coordinates to generate corrected angular point coordinates; generating a conversion matrix according to the angular point coordinates and the corrected angular point coordinates; converting the first image into a corrected image by using the conversion matrix; calculating a pixel gray value of the corrected image by adopting a bilinear interpolation method and combining the gray of the effective area of the first image, and inserting the pixel gray value into the corrected image; calculating a scaling factor according to the real magnification and the specified magnification, and generating a scaling vector according to the scaling factor; according to the zoom vector, performing affine transformation and compression on the corrected image to generate a second image; and processing the gray value of the pixel point of the second image by adopting a bilinear interpolation method.

The utility model discloses an exposed geological slope ecological restoration greening device which comprises a slope body, a slope surface is arranged on one side of the slope body, a slope cutting platform is arranged on the surface of the slope surface, a reservoir is arranged on one side of the bottom of the slope body, a slope protection net covers the surface of the slope surface, and the slope protection net is fixed to the surface of the slope surface through fixing pieces. A first plant is planted on the surface of the slope surface, a drainage ditch and a soil retaining ridge are arranged at the top of the slope cutting platform, a first soil covering layer and a second soil covering layer are further arranged at the top of the slope cutting platform, a second plant is planted on the surfaces of the first soil covering layer and the second soil covering layer, and a flow guide ditch is further formed in the surface of the slope surface. And the flow guide ditch extends to the water inlet of the reservoir along the down-slope direction of the slope surface, and is communicated with the drainage ditches on the slope cutting platforms. The utility model relates to the technical field of ecological management, in particular to an ecological restoration greening device for an exposed geologic slope, which reduces the workload during management and ensures the survival rate of plants at the same time.

The invention discloses an EPS emergency power supply control method and system based on rail transit, and relates to the technical field of EPS emergency power supply control, and the method specifically comprises the following steps: obtaining the load fluctuation information of a power grid when each charging device in a vehicle depot is started in real time, respectively generating an instantaneous power change coefficient and a starting load stability coefficient of each charging device; comprehensively analyzing the generated instantaneous power change coefficient and starting load stability coefficient of each charging device, and respectively generating a comprehensive instantaneous power change coefficient standard deviation and a comprehensive starting load stability coefficient standard deviation; and constructing a load fluctuation evaluation model for the generated standard deviation of the comprehensive instantaneous power change coefficient and the standard deviation of the comprehensive starting load stability coefficient, generating a load fluctuation evaluation coefficient, and performing analysis after generation. According to the method, the problem of misjudgment caused by load fluctuation when the metro depot charging equipment is started is solved, and accurate evaluation and dynamic adjustment of the power supply stability are realized.

The invention discloses an automatic distribution type production line and a production process for pasting and welding reinforcing plates for tunnel steel arches. The production line comprises an automatic distribution mechanism, a displacement clamping mechanism and a pasting plate welding mechanism, and the automatic distribution mechanism is used for conveying joist steel with joints to a second conveying mechanism and conveying joist steel without joints to a first conveying mechanism; the flitch welding mechanism is used for welding reinforcing plates to the joist steel with the joints in a flitch mode; wherein the seamless I-shaped steel is discharged through the first conveying mechanism, and the seamless I-shaped steel is discharged through the third conveying mechanism after the reinforcing plate is pasted and welded. According to the invention, the joist steel can be automatically distributed, the joist steel with joints and the joist steel without joints are conveyed in two process routes, the process rhythm of the two process routes is clear and does not influence each other, the production rhythm can be better controlled, continuous mounting and welding operation of reinforcing plates can be realized, and the production efficiency is improved. Automatic and continuous production of the steel arch is achieved, and the production efficiency of the steel arch production line is greatly improved.

The invention relates to the technical field of machining and manufacturing, in particular to a novel machine tool multi-tray automatic production line which comprises a machine tool and a material frame. A material moving mechanism and at least two loading cabins are arranged on the material moving track; the material moving mechanism comprises a base, a driving assembly, a lifting assembly, a telescopic assembly and a monitoring assembly. The material moving mechanism is arranged on the material moving track, full-automatic conveying of materials from a loading cabin to a machine tool machining station is achieved, manual intervention is greatly reduced, the automation level of a production line is remarkably improved, accurate carrying of the materials between different positions is ensured through a telescopic assembly of the material moving mechanism, and the production efficiency is improved. Errors in manual operation and the risk of material damage are effectively reduced, the monitoring assembly can detect the machining state of the materials entering the material moving rail, problems possibly occurring in the carrying process are fed back in time, the continuity and stability of the production process are ensured, and the conditions of accidental shutdown and material waste are reduced.

The utility model relates to the technical field of die-casting clamping jaws, and discloses a die-casting clamping jaw with a rotating function, which comprises an arm component, a clamping jaw component, an auxiliary component and a die casting, the arm component comprises a connecting arm, a rotating rod is movably hinged to one end of the connecting arm, and a mounting plate is fixed to one end of the rotating rod; each clamping jaw assembly comprises a fixing plate fixed to the mounting plate, an inner protection plate is fixed to the fixing plate, an outer protection plate is fixed to the side portion of the inner protection plate, the output end of the electric push rod retracts backwards, so that the rotating rod rotates reversely, the clamping jaw assembly at the front end and the connecting arm are in a right-angle state, and therefore the switching operation of the clamping angle is achieved; according to the multi-degree-of-freedom die-casting clamping device, the clamping jaw is arranged on the die-casting part, the clamping jaw clamps the die-casting part through operation of the air cylinder, seven degrees of freedom are formed by the clamping jaw and six degrees of freedom of a traditional robot, the die-casting part can be directly fed into a punching machine, the clamping precision is effectively improved, the manufacturing cost of secondary clamping is reduced, and the production continuity and efficiency are improved.

With the rapid development of globalization and internet economy, the logistics industry faces double challenges of improving the transportation efficiency and reducing the operation cost. The invention provides a logistics path optimization system and method based on an artificial intelligence technology, and aims to realize intelligent planning and dynamic adjustment of a logistics transportation path through deep learning and an operation planning optimization algorithm. The system can collect and analyze multi-dimensional data in real time, including traffic conditions, weather information, cargo characteristics and the like, so as to calculate an optimal transportation scheme under various constraint conditions. In addition, the system has a real-time adjustment function, can quickly respond and optimize path selection according to latest traffic information and environment change, and ensures that goods are delivered to a destination on time and efficiently. According to the method, the timeliness and economy of logistics transportation are improved, and the environmental sustainability of the logistics industry is remarkably improved by reducing unnecessary driving mileage and energy consumption. The application of the system is expected to bring remarkable economic benefits to logistics enterprises and promote the technical progress and transformation and upgrading of the whole industry.

The invention discloses a driving track planning method for predictive control by using a nonlinear model, and the method comprises the steps: designing and solving a nonlinear model predictive objective function, and obtaining an initial solution of nonlinear model predictive control; a plurality of candidate solutions are obtained according to the preliminary solution of nonlinear model prediction control, sampling points of all the candidate solutions are connected through a Bezier curve, and preliminary trajectories of all the candidate solutions are obtained; and constructing an initial population of the genetic algorithm based on the initial solution of the nonlinear model predictive control, evaluating the fitness of each candidate solution in the initial population, selecting the candidate solution with the highest fitness as an optimal solution, and outputting a corresponding control sequence and trajectory. According to the method, nonlinear model predictive control is utilized, good balance between vehicle driving scene parameters such as obstacle avoidance performance and path length is found, and the feasibility and comfort of a track are improved; and meanwhile, the trajectory is obtained by utilizing Bezier curve connection, so that the smoothness of the trajectory is improved, and rapid turning and discontinuity of the path are reduced.

The utility model discloses a novel push wheel linkage feeding mechanism belongs to the technical field of automation equipment, including fixed plate, feeding box, rotary feeding unit, X axis feeding unit, Y axis feeding unit and push unit, and fixed plate horizontal arrangement is installed in the top of fixed plate, and rotary feeding unit is installed in the top of fixed plate, and sets up at the back of feeding box, and X axis feeding unit is installed in the top of fixed plate, and Y axis feeding unit is installed in the top of fixed plate, and sets up at the front of feeding box, and push unit is installed in the top of fixed plate, and sets up at the front of rotary feeding unit. The utility model discloses through the innovation mechanical linkage and sensing control, realized low -cost, high -efficient, high reliability's automation feeding, especially applicable to the quick sorting and the turning scene of small -size material, and the power manufacturing industry reduces the benefit of benefit.

The invention discloses an IPB parking force detection platform, which relates to the technical field of IPB parking force detection equipment, and comprises: a detection platform, a storage gas tank, a connecting gas pipe and a tooling fixture, wherein the storage gas tank and the tooling fixture are fixedly connected to the detection platform, and the connecting gas pipe is fixedly connected to the storage gas tank. Through the arrangement of a test plate and an auxiliary observation strip, in addition to being able to detect the air tightness of the device before the detection work, during the parking brake detection, an operator can also indirectly judge whether the second main body shell and the threaded port piece are moved, that is, whether they are loose, or whether the above-mentioned components are damaged due to gas pressure at this time by observing the position changes of the test plate and the auxiliary observation strip. Moreover, the above-mentioned method of observing the position of the test plate and the auxiliary observation strip is different from the method of drawing vertical line marks on two or more components in the existing technology, which avoids the disadvantage of the latter being erased, and further improves the detection efficiency of the parking brake.

The utility model belongs to basket type filter and impurity removal equipment technical field, concretely is a kind of pesticide filling basket type filter and impurity removal device, including filter cartridge and the inner tube of its inside center;The outside of inner tube is equipped with filter frame, and the inside of filter frame is filter core, and the outside of filter core is detachably fixed with filter membrane;The inside of filter cartridge is equipped with hollow cylinder rotating around filter frame axis, and it is circumferentially distributed in the outside of filter membrane, and the inside of hollow cylinder is fixed with the scraping piece adhering to the outer surface of filter membrane, and the inside of hollow cylinder is equipped with helical lifting part, and the top of hollow cylinder is impurity storage space.The utility model can automatically intercept impurity in the outermost side when filtering operation, and the cleaning mode of real-time scraping and helical lifting is assisted, the impurity is scraped off at the same time, is lifted upward, so that it enters storage area, to maintain the integrity of filter structure, prevent clogging while maintaining the continuity of filling operation.

This utility model belongs to the field of sludge filtration technology and discloses a dynamic sludge filtration device, including a housing. A filtration unit and a discharge unit are connected to the outside of the housing via a rotating motor and a discharge motor, respectively. The filtration unit and discharge unit are located inside the housing. A water pumping unit is located at the top of the housing and connected to the water pumping unit via a filtration water pumping pipe. The discharge unit is located at the bottom of the filtration unit and the water pumping unit. This utility model can increase the sludge contact area and filtration area, allowing liquid to penetrate into the filter housing more quickly. Combined with the rotating water pumping component, the liquid is promptly extracted, improving the speed and efficiency of sludge dewatering and shortening the processing cycle. The rotating motor drives a rotating rod, which in turn causes the filter housing to rotate within the sludge. Dewatering is achieved using the principle of free liquid permeation. Compared to traditional methods that rely on strong external force for dewatering, this effectively reduces the moisture content of the filter cake and significantly reduces energy consumption.

The utility model discloses a cleaning device for petroleum pipes, which comprises an operating platform, a mounting rack is fixedly mounted at the top of the operating platform, a circulating water sump is fixedly mounted at the bottom of the operating platform, a water pump is fixedly mounted at the left end of the bottom of the operating platform, and a connecting pipe is fixedly mounted at the output end of the water pump. And a spray head is fixedly mounted at the inner top of the mounting frame, the left end of the spray head is fixedly connected with a connecting pipe, supporting rods are fixedly mounted at the left end and the right end of the top of the operation table, connecting rods are mounted at the tops of the supporting rods, and a double-shaft motor is fixedly mounted at the top of the mounting frame. According to the cleaning device for the petroleum pipes, the pipes can be rapidly cleaned, then the stability and accuracy in the cleaning process are ensured, meanwhile, sediments and dirt inside and outside the pipes are thoroughly cleaned, workers are prevented from making direct contact with harmful substances, the labor cost is reduced, and the safety risk of cleaning operation is reduced.

The invention provides 450MPa-grade hot-dip galvanized low-density steel with low yield ratio and high corrosion resistance and a manufacturing method thereof. A steel plate comprises the following components in percentage by weight: 0.04%-0.06% of C, 0.25%-0.4% of Si, 1.4%-1.5% of Mn, 3.3%-6.5% of Al, less than or equal to 0.010% of P, 0.01%-0.03% of S, 0.01%-0.015% of RE and the balance of Fe and inevitable impurities. The manufacturing method of the steel comprises the steps of blast furnace molten iron pretreatment, converter steelmaking, continuous casting, hot continuous rolling, acid pickling, cold rolling and hot galvanizing. The steel structure is delta-ferrite, alpha-ferrite, martensite, retained austenite and sulfide, the content of the martensite is 3.5-5%, the sulfide is composed of a small amount of MnS and RE-S-O which are distributed in a dispersed mode, the small amount of MnS is separated out in the ferrite and the martensite in a dispersed mode, and the RE-S-O is distributed along the ferrite grain boundary.

The present invention discloses a method for controlling the speed of buses in transit by reinforcement learning for epidemic prevention and control, the method comprising: sensing real-time road traffic information of bus lines through roadside facilities, dynamically acquiring real-time operation information of buses, establishing a time-continuous bus operation simulation system according to real bus lines, and providing a simulated environment for reinforcement learning training; establishing a bus in transit driving state transfer model, establishing a reinforcement learning framework based on the simulation system, using a neural network to output specific actions in a continuous space in the reinforcement learning framework, the neural network calculates the driving speed of the bus to the next stop according to the running state of the bus, and effectively controls the running speed of the bus in transit, ultimately making the headway time distance between buses more uniform, and further making the distribution of passengers in multiple buses more balanced, thereby reducing the congestion in the bus compartment, balancing the vehicle load rate, and having a better operating effect under the epidemic prevention and control environment.

The present invention discloses a system for realizing audio synthesis of a minority language based on a neural network model, and relates to the field of audio synthesis. The system is realized by a data acquisition module, a processing module, a synthesis module, an integration module, and a training module. The present invention has a synthesis method based on a neural network that can automatically learn audio features and reduce dependence on manual parameter adjustment, and improve the naturalness and coherence of the synthesized audio. The excellent data acquisition system can alleviate the problem of scarcity of minority language data, introduce a more advanced acoustic feature prediction model, improve the accuracy and reliability of acoustic feature prediction, and thus be able to adapt well to the characteristic differences of different minority languages. The overall audio synthesis system has excellent connection from text input to audio waveform output, thereby improving the overall efficiency and performance of the system. The audio generated by the system for audio synthesis of minority languages ​​has reached a better level in sound quality and clarity.

The invention provides an image super-resolution reconstruction method and device, equipment, a storage medium and a product, and relates to the technical field of image processing. The method comprises the following steps: acquiring a depth image and a color image of the same object; extracting the edge of the color image to obtain a first edge image; taking the edge of the up-sampled depth image to obtain a second edge image; fusing the first edge graph and the second edge graph to obtain an optimized edge graph; carrying out feature extraction on the up-sampled depth image and the optimized edge image through a convolutional network in a double-flow deep convolutional neural network model to obtain a low-resolution depth image feature and a high-resolution color image edge feature; and performing feature extraction and feature fusion on the low-resolution depth image features and the high-resolution color image edge features at different scales through a convolutional layer and a multi-scale residual module to obtain a reconstructed high-resolution depth image. According to the method, the texture copying phenomenon can be reduced, and the reconstruction effect of the super-resolution depth image is improved.

The invention relates to an aluminum alloy soldering lug and a preparation method and application thereof, and belongs to the technical field of welding. The aluminum alloy soldering lug disclosed by the invention is prepared from the following elements in percentage by mass: 3.0 percent to 4.5 percent of Si, 2.0 percent to 3.5 percent of Fe, 0.8 percent to 1.2 percent of Mg, 0.10 percent to 0.25 percent of Zr, 0.05 percent to 0.15 percent of Sc, 0.02 percent to 0.08 percent of Er, 0.05 percent to 0.12 percent of Ti, 0.005 percent to 0.02 percent of B and the balance of Al and other inevitable impurities. The mass ratio of (Zr + Sc) / Fe is 0.08 to 0.15; the mass ratio of Mg to Si is 0.25 to 0.35; the mass ratio of (Fe + Si) to (Zr + Sc + Er) is 20-25; the problems that laser welding aluminum alloy is thick in weld joint structure and uneven in performance, and a dissimilar material welding interface is embrittled are fundamentally solved.

The application relates to an injection tube assembly, a high-pressure injection device, a high-pressure injection system and a control method thereof. The syringe of the injection tube assembly is installed on an injection installation position of the high-pressure injection device, the liquid injection tube group is installed on a liquid injection installation position, the liquid discharge tube group is installed on a liquid discharge installation position, and the exhaust bag is installed in the installation groove. The boost driving mechanism drives the piston to move backward in the injection cylinder, and the liquid medicine is sucked into the injection cylinder through the first pipeline of the liquid injection tube group. The boost driving mechanism drives the piston to move forward in the injection cylinder, and the liquid medicine in the injection cylinder is pushed into the exhaust bag through the second pipeline. After the liquid medicine enters the exhaust bag, the liquid medicine sinks due to gravity and boost pressure and is discharged through the liquid discharge tube, and the bubbles float to the space above the liquid medicine. Even during the liquid medicine injection process, the bubbles can be prevented from being pushed into the human body in the exhaust bag, the continuity of the injection process is guaranteed, the requirement for the structure air tightness and stability is reduced, and the reliability during use is ensured.

The invention discloses a firepower attack target distribution method and system based on a multi-constraint dynamic pointer network, and the method comprises the steps: firstly building a hierarchical model which comprises a platform layer, a target layer and a rule layer, carrying out the modeling of a data relation in collected data through employing a hyperedge based on the hierarchical model, and forming a time-varying hypergraph which is updated along with time steps; according to the method, the functions of integrally representing the capacity, the time window, the collaborative grouping, the area limitation and the fair coverage constraint in the same graph space by adopting the time-varying hypergraph and the advancement rule and timely distributing are realized; a primitive-dual online adjustment mechanism is introduced in the aspect of multi-target tradeoff to automatically allocate constraint budget for a Lagrange multiplier according to real-time violation degree, and load variance fairness and regularization are superposed, so that interpretable dynamic balance can be obtained for resource utilization, time window satisfaction, collaborative consistency and coverage balance, a security boundary can be provided, and the real-time performance of the multi-target tradeoff can be improved. And secondary selection of upper-layer strategies or players in the set can be facilitated, and the method is suitable for being widely popularized and used.

The invention discloses a distributed power supply grid-connected electric power engineering protection device, which comprises a box body, a mounting guide rail, an anti-islanding protection unit, an electrical unit, a gas suppression unit and a heat dissipation assembly, and is characterized in that the mounting guide rail is fixedly mounted on the inner wall of the box body. Under the extremely high temperature condition, carbon dioxide gas is injected into the box body to rapidly restrain possible sparks, carbon dioxide is used as a fire extinguishing agent, and the oxygen content is reduced, so that the combustion process is prevented, and the fire risk is greatly reduced; once the temperature in the box body returns to normal and the carbon dioxide concentration reaches a safety level, the system can automatically recover to an initial state, so that the continuity and the stability of the whole system are ensured; carbon dioxide gas is prepared on site in a chemical reaction manner, so that effective recycling of resources is realized; carbon dioxide is generated by controlling the reaction between diluted hydrochloric acid and calcium carbonate, and is collected and recharged into the carbon dioxide high-pressure tank through the air pump.

The invention discloses an image-based three-dimensional reconstruction method for electromagnetic simulation. Collecting and receiving a multi-view image structure by using a camera, and recovering to obtain sparse point cloud and camera parameters; inputting the data into a computer for processing, and performing initialization processing on each point of the sparse point cloud by using a ball initialization method to obtain respective quadric surface primitives; performing joint optimization on each quadric surface primitive through a simulated annealing algorithm; and extracting a triangular mesh for a symbol distance field formed by all the quadric surface primitives to obtain a three-dimensional reconstruction result, and inputting the three-dimensional reconstruction result into electromagnetic simulation. The method is clear in process and high in automation degree, geometric holes in a reconstruction model can be effectively reduced, surface continuity and geometric consistency are improved, the problem that an existing visual reconstruction method is difficult to meet the requirements for electromagnetic simulation geometric precision and continuity is solved, and the method is worthy of popularization and application. The usability and reliability of a reconstruction model in high-frequency electromagnetic simulation are remarkably improved, and the method has a good engineering application prospect.

The present invention provides a lithium ion electrically controlled adsorption separation membrane and its preparation method and application. The lithium ion electrically controlled adsorption separation membrane comprises an electrochemical adsorption layer and an ion exchange membrane layer; the electrochemical adsorption layer comprises a composite membrane electrode layer and a two-dimensional material support layer stacked in sequence, the two-dimensional material support layer is connected to the ion exchange membrane layer; the composite membrane electrode layer is obtained by compounding an electrode active material and a two-dimensional material. The electrically controlled adsorption separation membrane constructed by the present invention collects lithium ions by electrically controlled adsorption. + Concentrated Li with SED + Integrates the Li + The continuous and rapid selective electro-controlled adsorption-desorption process achieves efficient enrichment and effectively utilizes the Li + The enriched area increases the Li + concentration to slow down / eliminate the influence of SED concentration polarization, improve the efficiency of lithium concentration and purification, and achieve efficient enrichment, concentration and purification of low-grade lithium.

The invention discloses a coal gangue-based composite fluorine removal agent as well as a preparation method and application thereof, and belongs to the technical field of fluorine removal materials. The preparation method comprises the following steps: mixing the coal gangue with an alkali metal chlorine salt aqueous solution to obtain a suspension, adding a soluble aluminum salt solution at 50-95 DEG C, controlling the pH value to be 8-11, and carrying out a coprecipitation reaction to obtain the coal gangue-based composite fluorine removal agent with boehmite loaded on the coal gangue. During preparation, the coal gangue is used as a carrier, boehmite is loaded on the surface of the coal gangue through a simple coprecipitation method, and therefore the coal gangue-based composite fluorine removal agent is obtained. According to the preparation method provided by the invention, the problems of high fluorine removal cost and easy agglomeration when the aluminum (hydrogen) oxide is independently used as the adsorbent are effectively solved.

The application provides a GaN-based light-emitting diode epitaxial structure and a preparation method thereof, wherein a Zn source is introduced as a surface activator during the growth of a P-type AlGaN electron blocking layer, a P-type AlGaN electron blocking layer structure with a gradient distribution of Zn concentration along the direction of the P-type AlGaN electron blocking layer is constructed, and specifically, through the core role of the Zn surface activator and the innovative design of the gradient distribution of the Zn concentration, the valence band Ev is smoothly and non-peaked along the whole process, and the hole injection is smooth along the whole process under the premise of ensuring that the conduction band Ec is smoothly and non-peaked and the strong electron blocking capability is not lost.

The invention provides 980MPa-grade hot-dip galvanized low-density steel with low yield ratio and high corrosion resistance and a manufacturing method thereof. A steel plate comprises the following components in percentage by weight: 0.28%-0.32% of C, 0.74%-0.82% of Si, 2.1%-2.32% of Mn, 4.3%-6.5% of Al, less than or equal to 0.010% of P, 0.01%-0.023% of S, 0.01%-0.012% of RE and the balance of Fe and inevitable impurities. The manufacturing method of the steel comprises the steps of blast furnace molten iron pretreatment, converter steelmaking, continuous casting, hot continuous rolling, acid pickling, cold rolling and hot galvanizing.

The utility model relates to the technical field of fabric processing, in particular to a fabric composite processing device. The device comprises an operation table, four supporting legs are installed on the lower surface of the operation table, two composite rollers are fixedly connected to the surface of the operation table, a rotating drum is fixedly connected to the surface of the operation table, transmission wheels are rotationally connected to the side walls of the composite rollers, and a transmission belt is rotationally connected to the surfaces of the transmission wheels. A motor is fixedly connected to the side wall of the operation table, the output end of the motor is fixedly connected with the transmission wheel, an adjusting device is arranged on the side wall of the rotary drum and comprises a fixing plate, the fixing plate is fixedly connected with the side wall of the rotary drum, and a sliding plate is inserted into the fixing plate in a sliding mode. The problem that when fabric is subjected to composite processing, due to the fact that a transmission belt driven by a motor is loosened after being used for a long time, the rotating efficiency of a composite roller driven by the motor is affected is solved.