308results about How to "Start fast" patented technology

The invention relates to the field of sewage control, in particular to a nano zero-valent iron and zeolite molecular sieve synergistic composite material as well as a preparation method and application thereof. The nano zero-valent iron synergistic zeolite molecular sieve composite carrier (nZVI at Z-PU) is successfully prepared through an impregnation method, the preparation method is simple and controllable, and corresponding substances are introduced in the preparation process, so that the composite carrier has the structure and properties of being rough in surface, hydrophilic and carrying positive charges. Through modification, the ammonia nitrogen adsorption capacity of the nZVI-Z-PU is increased to 4-6.5 mg / g carrier, meanwhile, the initial adsorption capacity of the nZVI-Z-PU to microorganisms is remarkably improved and is 8.7 times that of a common polyurethane sponge carrier, and the initial adsorption capacity of the nZVI-Z-PU to the microorganisms is far superior to that of the common polyurethane sponge carrier. Therefore, after the zeolite molecular sieve and the nZVI are combined, the generation of NOB can be remarkably inhibited, and meanwhile, the activity of AnAOB is improved.

The invention belongs to the technical field of battery thermal management, and discloses a battery pack and a phase change material coupling liquid cooling composite thermal management system.The battery pack comprises a plurality of battery structures, each battery structure comprises a lithium battery, a fin structure, a phase change material filling area and a liquid cooling plate, and the fin structure is arranged on the periphery of the lithium battery; the liquid cooling plate is arranged on the periphery of the fin structure, a phase-change material filling area is formed between the liquid cooling plate and the fin structure, and the phase-change material filling area is filled with a phase-change material for absorbing redundant heat and generating phase change, so that the temperature fluctuation of the battery is reduced. The lithium bromide heat pump and the direct-current power supply are combined, and accurate adjustment of the temperature of the battery pack is achieved through efficient heat exchange and intelligent control. The system can be rapidly switched between a cooling mode and a heating mode, and it is ensured that the battery is always kept within the optimal temperature range in different working environments.

The invention relates to the technical field of hydraulic servo control systems, and discloses a high-precision hydraulic servo control system and a fault diagnosis method thereof.The hydraulic servo control system comprises a system control module, a hydraulic execution module, a data feedback module, an automatic compensation module and a feedback control module; the system control module is used for receiving and processing an input signal and outputting a control instruction; the hydraulic execution module is used for generating a corresponding hydraulic action according to the control instruction; the data feedback module is used for detecting the actual position and pressure of the hydraulic execution module and transmitting a feedback signal to the automatic compensation module; the automatic compensation module is used for eliminating system errors through a compensation algorithm; the feedback control module is used for comparing the difference between the system output and a set target, generating a deviation signal, and adjusting the input of the system by using the signal, so that the system output is closer to the set target; through the system, the control precision and stability of the hydraulic servo control system can be improved.

The utility model relates to mesh spot welding equipment. The mesh spot welding equipment comprises a controller, the reinforcing steel bar assembling platform comprises a frame body, a longitudinal positioning assembly used for positioning and placing longitudinal reinforcing steel bars and a transverse positioning assembly used for positioning and placing transverse reinforcing steel bars. The material preparation frame is provided with an upper-layer material preparation area and a lower-layer material preparation area which are used for placing the reinforcing steel bar assembling platform; the moving mechanism comprises a three-axis moving platform and a positioning frame used for positioning and placing the steel bar assembling platform, the three-axis moving platform is arranged close to the material preparation frame, the three-axis moving platform drives the positioning frame to move, and the positioning frame can directly face the upper-layer material preparation area and the lower-layer material preparation area; the spot welding mechanism comprises a first lifting assembly, a second lifting assembly and an electrode welding machine, the electrode welding machine comprises a machine table, a first electrode column and a second electrode column, the first lifting assembly drives the first electrode column to move up and down, and the second lifting assembly drives the second electrode column to move up and down. The mesh cutting device can be used for processing meshes of various specifications, and is simple and convenient to adjust and high in efficiency.

The invention relates to the technical field of integrated circuit design, and discloses a crystal oscillation circuit and a crystal oscillator, and the crystal oscillation circuit comprises a core oscillation circuit which is configured to output oscillation voltage; the voltage amplitude detection circuit is connected with the core oscillation circuit and is configured to detect the amplitude of the oscillation voltage and output direct current voltage according to the amplitude of the oscillation voltage; the first bias circuit is respectively connected with the voltage amplitude detection circuit and the core oscillation circuit and is configured to output a first bias current according to the direct current voltage; the second bias circuit is connected with the core oscillation circuit and is configured to output a second bias current according to the temperature change; wherein the first bias current and the second bias current act on the core oscillation circuit and provide bias current for the core oscillation circuit. According to the crystal oscillation circuit, the circuit power consumption after crystal oscillation starting can be reduced under the condition of realizing rapid crystal oscillation starting.

The invention relates to the technical field of gas supply, and discloses a steel ladle bottom blowing slow-release gas supply structure and method. The control module is arranged on the steel ladle main body and is used for being responsible for automatic control including sensor data monitoring and valve opening adjusting; the sensor module is arranged on the steel ladle body and used for monitoring temperature, pressure and gas flow parameters in real time and feeding data back to the control module; the gas supply module is used for conveying through high-pressure air or other inert gases and providing a stable gas source for the bottom blowing device of the steel ladle main body; and the slow release device is arranged at the bottom of the steel ladle main body and is used for slowly releasing the supplied gas so as to ensure the uniform distribution of the supplied gas. According to the steel ladle bottom blowing slow-release gas supply structure and method, the efficiency and safety in the smelting process are improved, the product quality is improved, resource saving and intelligent management are achieved, and important support is provided for development of the modern steel and iron manufacturing industry.

The invention discloses a method for automatically testing an interface based on RPA. The method comprises the following steps: making a test plan; building a test framework; compiling a test script; performing integrated testing; executing the test script; analyzing a test result; and maintaining the test script. Based on an RPA tool, through a graphical interface and predefined operation, a tester can create an automatic test script without writing any code, and the tester can define a complex test process only through simple dragging, clicking and configuration; an RPA tool is generally designed to be visual and easy to use, even a tester without any programming experience can quickly master the RPA tool, and the tester can master the basic skill of automatic testing through simple training and practice; the RPA has a unique verification mode for the login system needing to be verified, targeted system verification can be carried out, and the login interface can obtain the token conveniently.

The invention relates to an electromagnet nonlinear variable stiffness unit cell and metamaterial vibration isolation support which comprises an electromagnet-spring-electromagnet variable stiffness unit, an auxiliary stiffness adjusting component and a stiffness adjusting and eddy current damping energy dissipation component, and the electromagnet-spring-electromagnet variable stiffness unit comprises a first electromagnet, a second electromagnet and a pre-pressing spring. The first electromagnet and the second electromagnet are connected through a pre-pressing spring, the auxiliary rigidity adjusting component comprises a magnetic support and a hollow sleeve, the electromagnets are connected with the magnetic support through springs, the rigidity adjusting and eddy current damping energy dissipation component comprises an electrified guide plate and a magnetic guide plate, and the electrified guide plate and the magnetic guide plate are arranged on the hollow sleeve at intervals. The electromagnet-spring-electromagnet variable stiffness unit penetrates through the hollow sleeve in a suspended mode. Compared with the prior art, the time-varying controllable and adjustable rigidity in the local resonance unit in the metamaterial unit cell is realized, and the self-adaptive band gap adjustment and vibration reduction enhancement effect based on the displacement amplitude is realized.

The invention discloses a water electrolysis hydrogen production flexible ammonia synthesis coupling system, and relates to the technical field of energy utilization. Comprising a renewable energy power supply, a water electrolysis hydrogen production unit, a synthesis ammonia unit, an energy recovery and transfer unit, an information prediction unit and a control unit, the water electrolysis hydrogen production unit comprises an alkaline electrolytic bath, and the alkaline electrolytic bath is connected with a renewable energy power supply; the ammonia synthesis unit comprises an ammonia synthesizer; the hydrogen source supply device is connected with the hydrogen outlet end of the alkaline electrolytic bath; the energy recovery and transfer unit comprises a first heat exchanger, one end of the first heat exchanger is connected with the ammonia synthesizer, and the other end is connected with the alkaline electrolytic bath; the information prediction unit is used for acquiring power supply prediction information and ammonia load demand prediction information of renewable energy sources, and the control unit is used for performing scheduling control on the water electrolysis hydrogen production unit and the ammonia synthesis unit. The system provided by the invention can better adapt to the volatility of the renewable energy power supply, and ensures the stable proceeding of the production process.

The invention belongs to the field of power grid safety prediction, and provides an urban underground cable tunnel network fire hazard temperature prediction method and a related device, and the method comprises the steps: collecting the environment data in a cable tunnel and the material data of a cable; establishing a three-dimensional finite element model comprising an electromagnetic field, a thermal field and a fluid field based on the environmental data and the material data, simulating temperature responses of the cable under different conditions, and obtaining sample data of cable core temperature; the method comprises the following steps: training a convolutional neural network (CNN) to extract features based on environment data and material data, processing time sequence data through a long short-term memory (LSTM) network, and constructing a CNN-LSTM hybrid model; and taking the obtained sample data of the cable core temperature as the input of the CNN-LSTM hybrid model to obtain a predicted value of the cable core temperature. The method not only improves the accuracy and real-time performance of prediction, but also enhances the adaptability and robustness of the model to a complex environment, and has wide application prospects and important social values.

The invention provides a low-latency redundancy communication protocol based on an improved PRP protocol, which is compatible with a PRP protocol standard of IEC 62439-3-2016 and works on a link layer. The dual-redundancy port is connected to an upper-layer protocol through a link redundancy entity and is transparent to the upper-layer protocol; the network end nodes are provided with dual-redundancy or triple-redundancy network ports which are respectively connected to networks which are mutually independent and have the same topological structure, and the networks work in parallel; and the same IP address and MAC address are set for each network port to which the end node supporting the PRP protocol belongs. The method is characterized in that a redundancy discarding algorithm is changed into a mode of directly uploading a first communication frame to an application layer; taking {a source IP address, a source MAC address and a frame sequence number} as a judgment condition of a redundant frame; the method comprises the following steps: writing a single-network-port node IP address in a network into a configuration file in advance in a node by adopting a pre-configuration file mode; and network port link on-off frequency statistics, super receiving window statistics, frame number discontinuous statistics and redundant frame asynchronous frequency statistics are added.

The invention discloses a method, a system and a related device for starting an application, which are used for improving the starting speed of the application under the condition of limited resources and meeting the requirement of a payment task. The method comprises the steps of determining a starting trigger event of an application; a pre-configured configuration file is obtained according to the start trigger event, the configuration file comprises a target frequency corresponding to the start trigger event, and the target frequency is greater than a default operation frequency; and starting the application according to the target frequency response to the starting trigger event.

The invention discloses a single-steel-wheel road roller extended-range hybrid power system and a control method thereof.The system comprises a VCU complete machine controller, a battery pack, and a PDU distribution box, an ECU controller, a battery high-voltage box, a DC converter, an execution device and a range extender which are in signal connection with the VCU complete machine controller. The transmission efficiency of whole vehicle operation is low, and the cruising ability is poor in a pure electric mode.

The invention relates to the technical field of experimental instruments, and discloses an oscillation driving device and a culture device. The oscillation driving device includes: a base plate; the motor is arranged below the bottom plate; the eccentric shaft assembly is arranged above the bottom plate, the eccentric shaft assembly comprises a rotating shaft and an eccentric shaft which are eccentrically arranged, and the rotating shaft penetrates through the bottom plate to be connected with the motor; the driving plate is arranged above the eccentric shaft assembly and is connected with the eccentric shaft; and the fixing mechanism is located between the driving plate and the bottom plate, a limiting part is limited by the fixing mechanism, and the limiting part is matched with the eccentric shaft assembly and / or the driving plate so that the eccentric shaft assembly can drive the driving plate to move along a preset track. Therefore, the oscillation driving device is directly driven by the motor, the transmission loss is reduced, and the noise is reduced.

The invention provides an ammonia decomposition electromagnetic heating combustion quick starting device which is characterized in that an electromagnetic heating reactor (R02) is used for heating input ammonia gas so as to accelerate the cracking speed of the ammonia gas, and the electromagnetic heating reactor comprises an electromagnetic heating coil (11); the device further comprises a plurality of electromagnetic induction heating ammonia decomposition tubes (4) which are arranged in parallel at the central axis area of the electromagnetic heating coil; the input end of the electromagnetic induction heating ammonia decomposition tube nest is communicated with an ammonia gas input port, a micro-channel structure with a small tube diameter is adopted to increase the electromagnetic induction heat efficiency, and the contact area between the tube wall and ammonia gas is increased to optimize the heating cracking effect; ammonia can be quickly decomposed into hydrogen and nitrogen for combustion.

The invention discloses an aluminum oxide water taking station equipment operation monitoring control method which comprises the following steps: acquiring operation parameters of key positions of water taking station equipment in real time through a sensor network, performing primary processing, uploading processed data to a data analysis control module, performing deep analysis on the received data by the data analysis control module, and transmitting the analyzed data to a server; when the running state of the equipment is abnormal, alarm information is generated immediately, a user is notified through a user interaction interface, meanwhile, the data analysis control module generates a control instruction according to an analysis result and sends the control instruction to the control execution module, and the control execution module intelligently controls the water taking station equipment according to the received control instruction. And stable operation of equipment is ensured. According to the invention, comprehensive real-time monitoring, intelligent fault early warning and diagnosis and automatic optimization adjustment can be realized, the operation efficiency of equipment is improved, the service life of the equipment is prolonged, and the maintenance cost is reduced.

The invention discloses a high-power pulse magnetron cathode heater assembly, a preparation method and an application. The preparation method comprises the following steps: winding a tungsten filament, and sequentially carrying out primary high-temperature shaping, insulating layer coating and secondary high-temperature sintering to prepare a required heater; preparing a cathode blank with a tantalum sponge body; preparing a cathode prefabricated part with the tantalum sponge body; coating the composite rare earth oxide turbid liquid, and sintering in a high-temperature vacuum furnace to obtain the required cathode; and assembling the cathode and the heater, filling the space between the cathode and the heater with a heat-conducting and electric-conducting material, and sintering in a vacuum furnace to prepare the cathode and heater assembly. The cathode heater assembly has high heat emission and secondary electron emission, has good electron and ion bombardment resistance, prolongs the service life, and can adapt to the working environment of a high-power pulse magnetron; and the device also has the characteristics of low cathode heating power, high thermal emission current density and the like, and can be quickly started.

The invention relates to a magnetic suspension bearing control system and method and refrigeration equipment, and the system comprises a magnetic suspension bearing control module which is used for controlling a magnetic suspension bearing; the battery management module is electrically connected with the magnetic suspension bearing control module; and the master control module is respectively connected with the magnetic suspension bearing control module and the battery management module and can control the battery management module to store electric energy when the voltage of the magnetic suspension bearing control module is excessive and supply power to the magnetic suspension bearing control module when the power supply of the magnetic suspension bearing control module is insufficient. According to the technical scheme of the magnetic suspension bearing control system, through cooperative work of the battery management module and the master control module, the stability, the energy-saving performance and the response speed of the system are enhanced, the service life of equipment is effectively prolonged, and the maintenance cost is reduced. The integrated solution provides a safer, more reliable and more economical operating environment for high-performance and high-precision mechanical equipment.

The invention discloses an enterprise safety production joint control information management system, which relates to the technical field of production joint control information management and comprises a collection module, a data processing module, a safety management module and a response module. And selectable. According to the invention, dynamic assessment of the safety risk is realized, intelligent early warning is carried out according to the change trend and severity of the risk, the accuracy and timeliness of early warning are improved, quantitative analysis of the degree of dispersion of the safety risk is realized, a scientific basis is provided for emergency response, rapid response and intelligent scheduling are realized, the accident processing efficiency is improved, and the safety risk is protected. According to the method and the system, the real-time monitoring of the wind speed and the flow velocity data is realized, the quantitative evaluation of the emergency response capability is realized, accurate guidance is provided for the formulation and implementation of emergency measures, the accuracy and effectiveness of emergency processing are improved, dynamic early warning and accurate positioning of a risk source can be realized by using the real-time monitored wind speed and flow velocity data, and the accuracy and timeliness of early warning are improved.

The invention belongs to the technical field of electrodialysis, and particularly relates to a material-cylinder-free continuous multistage countercurrent electrodialysis system and an electrodialysis method. The material-cylinder-free continuous multistage countercurrent electrodialysis system comprises more than two stages of membrane stacks, each compartment of each stage of membrane stack is not provided with a material cylinder, and the compartments of each stage of membrane stack are directly connected through pipelines. The feed liquid in each compartment of each stage of membrane stack in the electrodialysis system is organized in a countercurrent manner, and in-stack self-circulation of the feed liquid in each compartment is realized through a circulating pump. The system is simple, convenient to connect, quick to start and quick in dynamic response. The interstage flow is stable, and the whole system is convenient to control.

The invention relates to a gas turbine unit electric energy supply system coupled with electricity storage and sCO2 circulation and a dispatching method, and belongs to the technical field of electric power. The system comprises a non-dispatchable electric energy system and a dispatchable electric energy system, the dispatchable electric energy system comprises a gas turbine power generation system, an sCO2 power cycle power generation system, an electricity storage device and a water electrolysis hydrogen production device, and the input end of the electricity storage device and the input end of the water electrolysis hydrogen production device are connected with the non-dispatchable electric energy system through a controller A; the output end of the electricity storage device, the gas turbine power generation system and the sCO2 power cycle power generation system are connected with a power grid through a controller B. The output end of the water electrolysis hydrogen production device is connected with a hydrogen storage tank, the gas turbine power generation system, the sCO2 power cycle power generation system and the undispatchable electric energy system are connected with the power grid. According to the invention, the impact of the randomness and volatility of new energy power generation such as wind and light on the power grid is solved, the peak regulation capability of the power system is improved, and the power supply quality and operation safety of the power grid are guaranteed.

The utility model provides novel large-flow flowmeter equipment which comprises a waterway fixing seat, a flowmeter combination lower hoop and a flowmeter combination upper hoop are arranged in the waterway fixing seat, impeller fixing rings and an impeller are arranged between the flowmeter combination upper hoop and the flowmeter combination lower hoop, and the impeller is rotationally connected between the two impeller fixing rings. The upper portion of the waterway fixing base is sleeved with a spiral sleeve, the upper portion of the spiral sleeve is sleeved with a flow meter combination upper hoop, the top of the flow meter combination upper hoop is fixedly connected with a circuit plug assembly, a circuit board is fixedly connected into the circuit plug assembly, and the lower side of the circuit board is connected with an induction coil. The induction coil is fixedly connected to the bottom of the circuit plug assembly. Modularized design is adopted, and follow-up repair and maintenance are facilitated; the flow meter is large in measuring range, more accurate and more efficient in operation, suitable for various mixed agents, capable of being used for mixed agents with too high viscosity and convenient to disassemble and assemble.

The invention discloses a squat silo outer wall operation hanging basket mechanism which comprises a squat silo composed of a cylindrical granary and a circular-truncated-cone-shaped silo top, a plurality of suspension devices are evenly distributed on the cylindrical granary in the circumferential direction, and a plurality of pulley block fixing devices are fixed to the top of a gutter outer wall of the cylindrical granary in the circumferential direction. The top of each pulley block fixing device is provided with a vertically-arranged first fixed pulley, the outer side face of each pulley block fixing device is provided with a second fixed pulley arranged in the radial direction of the outer wall of the cylindrical granary gutter, each first fixed pulley and the corresponding second fixed pulley form a pulley block, and each steel wire rope penetrates through one pulley block to be connected with suspension equipment. The invention further discloses an installation method of the squat silo outer wall operation hanging basket. The installation method comprises the following steps that the suspension equipment is installed; installing a steel circular ring; installing a steel wire rope; mounting a pulley block; and mounting a safety rope. The distance between the working face and the outer wall is reduced, the probability of friction between the steel wire rope and the cornice position is reduced, and the device can be widely applied to the field of industrial building construction.

The invention relates to the technical field of water pollution control, in particular to a method for rapidly starting a dye-organic wastewater anaerobic co-metabolism system based on S-nZVI, which comprises the following steps: S1, preparing S-nZVI, and S2, optimizing an anaerobic treatment method of dye-organic wastewater by S-nZVI. According to the method, the sulfur-doped nano-iron is applied to a dye-organic wastewater anaerobic co-metabolism system for the first time, the dispersity of the nano-iron is improved through sulfur doping, the hydrogen evolution reaction is inhibited through sulfur doping, and reduction damage of cell membranes is avoided; meanwhile, the formation of FeS endows the nano-iron with stronger conductivity, electron transfer pathways of microorganisms are enriched, the electron transfer efficiency is improved, the optimization method not only realizes efficient degradation of the dye, but also effectively overcomes acid inhibition in the anaerobic digestion process under dye stress, and the degradation efficiency of the dye is improved. And quick start and methane recovery of the reactor can be realized without domesticating the sludge.

The invention relates to the technical field of wastewater purification, and discloses a treatment method of high-salt and high-ammonia-nitrogen wastewater. The method comprises the following steps: (1) carrying out nitration treatment on the high-salt and high-ammonia-nitrogen wastewater under an aerobic condition to obtain first effluent containing nitrate; (2) carrying out denitrification treatment on the first effluent under an anaerobic condition to obtain nitrogen and purified water; wherein the nitrification treatment and the denitrification treatment are independently carried out in the presence of a compound microbial agent; the compound microbial agent at least comprises the following components: Thioalkalivibrio versutus D301, Thauera sp. Strain SND5 (Single Nucleotide Polymorphism 5), and Rhodococcus corynebacterium bacteria (Rhodococcus corynebacterium bacteria), and is characterized in that the compound microbial agent at least comprises the following components of: Thioalkalivibrio versutus D301, Thauera sp. Strain SND5 (Single Nucleotide Polymorphism 5) and Rhodococcus corynebacterium bacteria (Rhodococcus corynebacterium bacteria (Rhodococcus corynebacterium bacteria). The method provided by the invention can effectively remove ammonia nitrogen contained in the high-salt and high-ammonia-nitrogen wastewater, so that the concentration of the ammonia nitrogen in the purified water is lower than 8mg / L, and the emission requirement is met. The method also has the characteristics of extremely small sludge discharge amount, quick start and stable purification effect.

The invention discloses an embedded graphical programming development method and device based on the Internet of Things and a medium, and the method comprises the steps: creating a graphical programming system application containing a Blockly framework, adding a dependency library on the graphical programming system application, and carrying out the page layout and initialization configuration; the method comprises the following steps of: constructing graphic block components with different functions on the application of the graphic programming system, and determining required graphic blocks: a Modbus RTU (Remote Terminal Unit) graphic block component, a serial port-Rs485 graphic block component, a NetManage graphic block component, a Home Assistance graphic block component, a ThingsBoard graphic block component and an input / output control graphic block component; freely combining the determined required graphic blocks to build a business scene, and completing program development through graphic programming; and downloading the program subjected to graphical programming to equipment for running. The development efficiency of the system is improved, and the development difficulty is reduced.

The utility model discloses a cyclone type chlorine dioxide generator, including generator body, the bottom of generator body is provided with raw material adding opening, and raw material adding opening out installs liquid inlet structure, the liquid inlet structure includes for inner tube and the outer tube of setting in the outer portion of inner tube, the upper end of inner tube is closed, and the lateral wall on inner tube is equipped with liquid inlet hole, and the lower end of inner tube is used for adding hydrochloric acid, the lower end of outer tube is closed, and the lateral wall on outer tube is vertically installed with liquid adding pipe, and liquid adding pipe is used for adding sodium chlorite, and the upper end of outer tube is linked with raw material adding opening. The utility model can make the reaction raw material in the joining place of reactor and the reaction zone subarea realize raw material's quick double full mixing, improve the reaction rate, make the reaction more fully, can provide sufficient diffusion space for the reaction liquid of heated expansion simultaneously, control the residence time of reaction liquid in generator, reduce the production of byproduct such as sodium chlorate, improve the conversion rate of sodium chlorite, guarantee the high yield of ClO2.

This application provides a dimming circuit and adjustment method for a light-emitting element. The dimming circuit includes a signal receiving terminal, a signal enabling terminal, a signal conditioning circuit, and a signal detection circuit. The signal conditioning circuit is electrically connected to the signal receiving terminal, the signal enabling terminal, and the light-emitting element. The signal conditioning circuit controls the light-emitting element to be energized when the enabling signal is active. The signal detection circuit is electrically connected to the signal receiving terminal, the signal enabling terminal, and the signal conditioning circuit. The signal detection circuit outputs a detection signal with a first state to the signal conditioning circuit when both the enabling signal and the driving signal are active. This allows the signal conditioning circuit to control the output current of the light-emitting element to rise from an initial current value based on the driving signal, thereby performing dimming. The initial current value is greater than zero. This application can shorten the current stabilization time, achieve rapid start-up, and improve the dimming speed.

The utility model belongs to medical apparatus and instruments, concretely relates to a kind of pathological auxiliary material taking tool of endoscopic mucosal resection specimen, including total connecting plate and comb plate;The side of total connecting plate is connected comb plate;Comb plate is composed of several parallel straight boards, the width of each straight board is less than target material taking width;The distance between the upper edge of the n-1th straight board to the upper / lower edge of the nth straight board is equal to the distance between the upper / lower edge of the nth straight board to the upper / lower edge of the n+1th straight board, and the distance between the upper / lower edge of the n-1th straight board to the upper / lower edge of the nth straight board is equal to target material taking width, wherein, n is natural number greater than 1 and less than total number N.Compared with prior art, the utility model solves the problem that it is difficult to control the cutting size and easy to cause specimen contamination when cutting specimen into mucosal strips in prior art.The tool of the present scheme can effectively assist cutting positioning and control the cutting size.