30results about How to "Accurate impact" patented technology

The invention relates to the technical field of mineral resource reserve simulation, in particular to a geological mineral resource reserve simulation method. The method comprises the following steps: carrying out multi-source heterogeneous data acquisition on a target geological area, and carrying out comprehensive feature extraction to obtain a comprehensive data set; constructing an initial static geologic model according to the comprehensive data set to obtain the initial static geologic model; building a multi-physics field coupling model according to the initial static geologic model to obtain a multi-physics field coupling model grid; performing metallogenic fluid migration and enrichment simulation according to the multi-physics field coupling model grid to obtain a metallogenic fluid migration simulation result; carrying out geologic body geometrical morphology updating on the initial static geologic model according to a metallogenic fluid migration simulation result to obtain a dynamic geologic model; and performing reserve prediction model training according to the dynamic geologic model to obtain a reserve prediction model. According to the method, the mineral resource reserves are evaluated more accurately and dynamically through a mineral resource reserve simulation technology.

The invention provides a ship dynamic stability modeling method and system based on multi-external force coupling, and the method comprises the steps: building a short-peak wave model based on wind wave characteristic parameters under different sea conditions and motion state parameters of a ship, and carrying out the calculation under ground coordinates to obtain a first wave surface equation; a first wave surface equation located in a ground coordinate system is converted into a ship body stable coordinate system through a coordinate and frequency conversion method, a second wave surface equation suitable for the surrounding environment of the ship is obtained, then a fluctuation pressure model caused by sea waves is established, the fluctuation pressure model is corrected through a Smith correction term method, and the ship body stable coordinate system is obtained. A multi-wave superposition fluctuation pressure model is obtained through a harmonic superposition analysis method; then a generalized disturbance force matrix is constructed based on a finite volume method, Archimedes restoring force, inertia hydrodynamic force and viscosity hydrodynamic force are calculated by adopting a specific calculation method, and then a ship motion model is established, so that the accuracy of the model is effectively improved, and the dynamic behavior of the ship can be more accurately predicted under the complex sea condition.

The invention belongs to the technical field of source tracing of pollution sources, and particularly relates to a heavy metal pollution source tracing method based on artificial intelligence. Carrying out abnormal value processing and standardization on the collected heavy metal concentration detection data, carrying out terrain segmentation and feature extraction on terrain data, and carrying out spatial interpolation and time pairing on rainfall data; the data dimension is further enriched by acquiring historical pollution event records and wind speed and wind direction data and constructing interaction characteristics of rainfall and gradient. Then, the processed multi-dimensional feature matrix is input into the trained prediction model to obtain accurate heavy metal concentration and spatial distribution features, and finally, the position of the pollution source is deduced by adopting a Bayesian reverse modeling method, so that accurate tracing of the heavy metal pollution source is realized, the accuracy and reliability of a tracing result are improved, and the method is suitable for popularization and application. The technical problem that a tracing result in a traditional method is not scientific and systematic enough is effectively solved.

The invention belongs to the field of biosensing detection, and particularly relates to an ATP (adenosine triphosphate) nucleic acid aptamer based on m6A epigenetic base modification and application of the ATP nucleic acid aptamer. The invention provides a nucleic acid aptamer and a nucleic acid aptamer sensor. On the basis of recognition and binding specificity of a nucleic acid aptamer probe to a target, a single-point methylation closed switch type functional probe is constructed, and living cell and living body imaging detection of endogenous demethylase is realized. Taking ATP and an aptamer thereof as an example, m6A methylation modifies key sites of the aptamer so as to influence the binding stability between the aptamer and a ligand, after endogenous FTO demethylation, the aptamer recovers active sites, can be rapidly bound with ATP and is driven to allosteric to release fluorescence, and in-situ instant detection of FTO is realized.

The invention provides a method and a system for predicting the service life of a pipe under the corrosion action of environmental factors, and relates to the technical field of corrosion and protection of pipeline materials. Environmental factors such as water flow velocity, pH value and temperature are acquired, interaction of the factors is analyzed, a standard corrosion rate is generated, and corrosion rate data of each experimental point are collected; comparing with a standard corrosion rate, recording data of experimental points exceeding the standard corrosion rate, constructing a quadratic polynomial regression equation related to the corrosion rate, calculating a statistic value F and a probability value P in the equation, judging whether the regression equation is significant or not, predicting the corrosion rate under the current environmental condition, and determining the corrosion rate of the pipe according to the predicted corrosion rate and the initial thickness of the pipe. And calculating the remaining service life of the pipe. According to the method, the service life of the pipe under the corrosion of the environmental factors is predicted by acquiring the environmental factors, analyzing the interaction, collecting the experimental data and constructing the regression equation.

The invention discloses a wind power generation output uncertainty modeling method based on a typhoon and rainstorm coupling mechanism. The method comprises the following steps: S1, constructing a first model and a second model; the first model comprises a typhoon wind speed model based on dynamic feedback iteration; the second model comprises a rainstorm rainfall rate model considering typhoon center air pressure change; s2, constructing a third model according to the first model and the second model in combination with an equivalent theory; the third model comprises a wind-driven rain equivalent wind speed model based on an equivalent theory; s3, constructing a fourth model according to the third model in combination with the microtopographic factors; the fourth model comprises a wind speed correction model; s4, constructing a wind power generation output uncertainty model according to the fourth model in combination with the first curve; the first curve comprises a wind speed and power characteristic curve of the wind power generation equipment. According to the method, the influence of extreme weather on the wind power equipment can be accurately predicted and dealt with, and a solid foundation is laid for safe and stable operation of a power distribution system under typhoon rainstorm.

The invention relates to a direct trust evaluation method and system. PKI authentication overhead in the frequent interaction process of a terminal is reduced by introducing a trust evaluation mechanism. A direct trust evaluation mechanism based on a time decay factor is provided by considering the influence of historical interaction, a weighted time decay factor is introduced to each historical interaction, and historical record data is updated. The Beta distribution is improved to enhance the flexibility and adaptability of a direct trust evaluation model, so that the time trend in historical records is better captured, finally, the dynamic change of historical interaction behaviors is more accurately captured, the influence of expired interaction records is weakened, and the timeliness of trust evaluation of interaction terminals in the same region and the same domain of the electric power intelligent terminal is improved.

The utility model provides an adjustable spraying structure which comprises a main spraying pipe and a spraying head, the spraying head is connected to the main spraying pipe and communicated with the main spraying pipe, the adjustable spraying structure further comprises an adjusting piece, and the adjusting piece penetrates through a water outlet of the spraying head and is connected with the main spraying pipe and / or the spraying head. The outer wall of the adjusting part is provided with a guiding inclined face used for enabling fluid sprayed out of the water outlet to diffuse outwards, the adjusting part moves in the direction close to or away from the spray head and is positioned, and the aim of flexibly adjusting the spraying range is achieved.

The present invention relates to the field of electrical detection technology, and in particular to an intelligent detection device for waterproof performance of electrical accessories. It includes a workbench, a discharge table and a water baffle, etc.; the workbench is fixedly connected to the discharge table; the workbench is fixedly connected to the water baffle; the discharge table is located inside the water baffle. Water is sprayed out from the water spray hole, and the sprayed water will contact the accessories, thereby spraying the accessories. Since the spherical plate is hemispherical and the water spray holes are distributed throughout the spherical plate, the accessories are continuously sprayed with water during spraying, thereby solving the problem that an area cannot be sprayed uninterruptedly, so that there is less water in the gap and the impact force is small, resulting in the spray water being unable to enter the interior of the accessories through the gap, resulting in detection errors. The hemispherical spherical plate can not only directly increase the spraying area, but also the sponge on the inner wall of the spherical plate can absorb the water splashed back by spraying on the accessories, thereby avoiding subsequent underwater dripping onto the workbench, resulting in the need for subsequent cleaning.

The experimental device comprises a mounting box, a first circular truncated cone is arranged in the mounting box, a first motor is arranged at the bottom of the first circular truncated cone, and the first circular truncated cone is arranged at the end of an output shaft of the first motor in a sleeving mode and connected with the output shaft of the first motor through a key. A plurality of circumferentially-distributed experiment boxes are fixed to the top face of the first circular truncated cone, one side of each experiment box is a limiting plate, the opposite side of each experiment box is a sliding plate, one side of each experiment box is a fixing plate, and the other side of each experiment box is a transparent plate; a high-speed camera is installed on the outer side of each transparent plate; a push plate mechanism is connected to the outer side of each sliding plate; a first cylinder and a positioning mechanism are mounted at the bottom of the first circular truncated cone. By adopting the lithosphere deformation simulation experiment box, lithosphere experiment samples with different proportions can be placed in each experiment box in advance to simulate lithosphere deformation, the lithosphere experiment samples do not need to be emptied and placed again after an experiment is finished, the experiment difficulty and complexity are reduced, and the working efficiency of the lithosphere deformation simulation experiment is greatly improved.

The utility model discloses a kind of deburring is used to polishing device for aluminium ingot, it includes: the inner diameter of upper cover is same with the inner diameter of placing frame, and the upper end surface of upper cover and placing frame is threadedly connected;Several fender strips are divided into two groups and are respectively fixedly connected on the inner side surface of placing frame and the inner side surface of upper cover;The two sides of placing frame are rotatably connected with two supports respectively;Placing frame is rotatably connected with support by rotating motor;Two fixed screws are respectively placed on the front and rear end surfaces of placing frame, and the end of fixed screw is placed in the interior of placing frame after passing through the outer side surface of placing frame, and fixed screw is threadedly connected with placing frame;Abrasive grain flow generator is placed in the side of placing frame;Lifting cylinder is fixedly connected with the upper end surface of abrasive grain flow generator;The lifting rod of lifting cylinder is fixedly connected with the upper end surface of injection disc after passing through the upper end surface of abrasive grain flow generator.The beneficial effects of the utility model are: the process of deburring does not need to be constantly disassembled and installed, and the purpose of more time saving.

The invention discloses a system for analyzing influence of meteorological events on a power grid based on multivariate data fusion, which comprises a data acquisition module, a data processing and fusion module, a visual display module and a decision support module, and is characterized in that the data acquisition module is used for acquiring meteorological data, power grid region video data and regional power grid geographic information data in a GIS (Geographic Information System); the data processing and fusion module establishes a mapping model between meteorological data and power grid equipment, the visual display module displays the influence range and the influence degree of a meteorological event on a map according to the analysis result of the mapping model, and the decision support module generates an emergency response plan according to the analysis result of the mapping model. According to the system, the mapping model between the meteorological event and the power grid fault is constructed by fusing the three data elements, and compared with a traditional single data element analysis method, the precision and reliability of power grid fault analysis are improved, and reliable and stable operation of a power grid is guaranteed.

The utility model discloses a multi -directional force measuring support of stepless regulation height, including upper portion structure, upper portion structure includes the upper support plate, middle seat board, lower support plate and base plate that set gradually from top to bottom, be provided with the spherical cap lining board between the upper support plate and the middle seat board, the bottom surface of upper support plate and the top surface of middle seat board correspond to concave spherical surface, the upper and lower surface of spherical cap lining board are spherical surface, the upper end surface of spherical cap lining board and the bottom of upper support plate form first sliding friction pair, the lower portion of middle seat board is provided with lower support plate, the lower portion of lower support plate is equipped with base plate, and form the pelvic cavity between lower support plate and base plate.

The invention relates to an aviation structure impact load non-negative sparse coding algorithm expansion identification method and system. The method comprises the following steps: acquiring a monitored aviation structure and making a data set comprising an impact load force signal and a response signal; constructing a non-negative sparse coding model based on an impact load dynamic model and non-negative sparse prior; constructing an iterative convergence threshold algorithm for solving the non-negative sparse coding model; constructing a depth algorithm expansion network based on the iterative convergence threshold algorithm; training the depth algorithm expansion network by using the data set to obtain a network model with optimal parameters; and performing an impact load identification test by using the network model with the optimal parameters, and outputting an impact load to be identified. The method has the advantages that the calculation speed is high, parameters do not need to be manually set, and good noise immunity is shown; the neural network provided by the invention has better interpretability in structural design.

The present invention discloses a carbon sink measurement system and method for multi-type urban green space ecosystems, belongs to the technical field of carbon sink measurement, solves the problem of inaccurate evaluation results caused by uneven data distribution or insufficient sample size when the existing method uses a feature selection algorithm to extract characteristic factors. The method comprises: collecting time-series urban green space carbon sink correlation data, determining characteristic factors that affect the carbon sink amount in a carbon sink pretreatment concentration based on a characteristic factor extraction model, analyzing the characteristic factor set in combination with a carbon storage method and a characteristic factor extraction model, and calculating the biomass of trees and shrubs in urban green spaces; the present invention constructs a characteristic factor extraction model by combining a GBR model with a global sensitivity analysis, thereby accurately determining the characteristic factors that affect the carbon sink amount in a carbon sink pretreatment concentration, reducing uncertainty in carbon sink estimation, and ensuring the accuracy of evaluation results when data distribution is uneven or the sample size is insufficient.

The utility model discloses a kind of fuel tank strength testing devices, belong to strength test field. Including clamping assembly, the clamping assembly includes frame base, limit strip is installed on two side edge positions of frame base, positioning part is installed between two groups of limit strip, clamping part is installed between two groups of limit strip, drive part is provided at the bottom of frame base;Test component, test component is used to impact test to the side edge of fuel tank;Limiting component, limiting component includes the shielding part for covering test area, fixed part is installed on the shielding part for clamping fuel tank, and the pressing part for pressing fuel tank is connected on the shielding part. A kind of fuel tank strength testing device of the application, by clamping, test, limiting component cooperation, positioning part is firmly clamped fuel tank from multidirectional, test component controls impact parameter, all-around limit displacement, impact point precision is kept, data accuracy is proposed.

The utility model discloses a kind of long-piston sand setting sand prevention oil well pumps of liquid release type, including pump barrel assembly, plunger assembly, outer tube assembly, fixed valve assembly and double-pass joint assembly, the pump barrel assembly includes lengthening pipe, outer tube assembly includes outer tube, fixed valve assembly includes upper end fixed valve cover, the outer tube assembly is formed with annular space sand setting channel between pump barrel assembly and fixed valve assembly, it is characterized by: still including tubular valve body, the outer wall of tubular valve body two ends is connected with the outer tube respectively, the inner wall of two ends is connected with the lengthening pipe and upper end fixed valve cover respectively, valve core is loaded in tubular valve body, the valve body inside two sides of valve core is also provided with sand setting connection channel, which is communicated with the annular space sand setting channel, when the valve core is broken, the communication of rod pipe annulus and oil jacket annulus can be realized. After the utility model is applied, the communication of rod pipe annulus and oil jacket annulus can be realized when pump is inspected, and then oil pipe is not caused ground pollution when being pulled out.

The invention relates to the technical field of video compression coding, and discloses an intelligent lossless video compression optimization method and device, equipment and a medium. According to the method, initial content description of an original video stream is extracted through a visual description network, content marking points are marked, and a dynamic content topological graph is generated according to the space-time relation of the content marking points. And performing semantic aggregation on the topological graph to form a semantic aggregation unit associated with a compressed semantic tag. A candidate compression strategy is matched for each unit, an initial strategy mapping table is generated, and a final strategy mapping table is screened out according to global constraint iteration. And configuring encoder parameters according to the table to carry out lossless encoding, and collecting feedback information to adjust strategies and parameters on line. According to the method, the structured association of the video content can be deeply understood, and the dynamic closed-loop optimization of the coding strategy is realized, so that the overall efficiency and the adaptive capability of lossless video compression are improved.

The invention relates to the field of turbine fluid dynamics, and discloses a gas compressor numerical simulation method based on a blade geometric volume force model, which comprises the following steps: S1, constructing a volume force source item based on normal volume force, parallel volume force and a correction function; s2, introducing a blade blockage factor, and constructing a volume force theoretical model; s3, geometric information of the blade surface is obtained, a mid-plane normal vector and a blocking factor are extracted, and a volume force model suitable for the adjustable guide blade is constructed; s4, extracting model parameters; s5, substituting the extracted model parameters into the volume force model, and carrying out iterative calculation until a convergence condition is met; in the iterative calculation process, the volume force source item is updated. According to the invention, the influence of the change of the adjustable stationary blade mounting angle on the performance of the gas compressor can be quickly and accurately simulated.

The invention provides a biomass oxygen lance and an electric arc furnace, relates to the technical field of metallurgical equipment, and aims at solving the problem that a large amount of carbon is discharged due to the fact that oil oxygen and gas burners are used for fluxing waste steel at the present stage to a certain extent. The invention provides a biomass oxygen lance. The biomass oxygen lance comprises a central pipe, a rotational flow blade and a circular seam sleeve assembly, the central pipe, the rotational flow blade and the circular seam sleeve assembly are sequentially and coaxially arranged in a sleeving mode from inside to outside, a containing cavity is formed in the circular seam sleeve assembly, the central pipe is arranged in the containing cavity, and the rotational flow blade surrounds the outer wall of the central pipe, so that a rotational flow gas channel is formed between the central pipe and the circular seam sleeve assembly; a premixing channel is formed in the position, corresponding to the circular seam sleeve assembly, of the outlet end of the center pipe, and the rotational flow gas channel is communicated with the premixing channel.

The utility model relates to the field of medical health, and the purpose is to provide an intraocular pressure measuring device to reduce the operation difficulty of user and improve measurement accuracy. The utility model discloses the technical scheme is: an intraocular pressure measuring device, characterized by: including the telescope cylinder with eyeshade, the rebound type pressure measuring module of setting in the telescope cylinder, the position adjusting module of connecting telescope cylinder and rebound type pressure measuring module, the controller of electric connection position adjusting module and rebound type pressure measuring module.

The invention relates to a water delivery tunnel simulation system for undercrossing an existing riverway based on south-to-north water diversion. According to the system, simulation experiments and key technologies for undercrossing the existing riverway by a water delivery tunnel in some water diversion projects and the like can be effectively realized; according to the technical scheme, the simulation system for the water delivery tunnel undercrossing the Yellow River based on the south-to-north water diversion can truly simulate the action rule of the water flow state in a river channel on a riverbed and the influence rule of underground water infiltration on the water delivery tunnel, and different infiltration effects of the riverbed can be simulated through a flexible material layer; the simulated water conveyance tunnel can be monitored in real time through the sensor assembly, so that the pressure and deformation rules of the water conveyance tunnel are researched, and the rule of the influence of riverbed infiltration on the underpass water conveyance tunnel is better explored; meanwhile, the water flow rate and the water level height can be controlled through the valve device and the simulated dam body structure, and the spraying device can simulate different raining working conditions, so that the simulation device can truly simulate actual working conditions, and the accuracy and practicability of simulation results are greatly improved.

The invention relates to the technical field of network operation and maintenance, and discloses a network jitter diagnosis method and device, equipment and a medium. The method comprises the following steps: when a data packet is confirmed to be delivered, calculating network jitter data; embedding the network jitter data into the service calling link data to obtain embedded link data; and carrying out jitter root cause analysis on the embedded link data to obtain a network jitter diagnosis result. According to the embodiment of the invention, the network jitter can be accurately associated with the affected user, and the influence of the network jitter on the service is clear.

The present application belongs to the field of pollution source tracing technology, and more specifically, it relates to a heavy metal pollution tracing method based on artificial intelligence, which uses a stratified random sampling method to conduct multi-layer depth collection in different landform types, and performs outlier processing and standardization on the collected heavy metal concentration detection data, terrain segmentation and feature extraction on terrain data, and spatial interpolation and time matching on rainfall data; by obtaining historical pollution event records and wind speed and direction data, and constructing the interactive characteristics of rainfall and slope, the data dimension is further enriched. Then, the processed multidimensional feature matrix is ​​input into the trained prediction model to obtain accurate heavy metal concentration and spatial distribution characteristics. Finally, the Bayesian inverse modeling method is used to infer the location of the pollution source, thereby realizing the accurate tracing of the heavy metal pollution source, improving the accuracy and reliability of the tracing results, and effectively solving the technical problem that the tracing results in the traditional method are not scientific and systematic enough.

The utility model discloses a nailing tool which solves the problems that an iron nail at a nailing position of an existing nail gun is prone to skew, the extending direction of the iron nail does not coincide with the stroke of a firing pin, and consequently nailing skew is caused. The magnetic structure is arranged at the position, adjacent to the nailing position, of the machine body so that the iron nails conveyed to the nailing position can be corrected through the magnetic force of the magnetic structure. No matter the connection tightness between two adjacent iron nail assemblies is not enough, dislocation occurs, and when residual nails in a nail bin are few, the elastic force of an elastic element is reduced, so that nail feeding is poor. The conditions that the iron nail is inclined at the nailing position and the nail outlet and the extending direction of the iron nail does not coincide with the stroke of the striker can be avoided under any one or the common conditions of the factors that the shape of a body is distorted due to improper storage of the iron nail assembly and the iron nail is inclined due to vibration of a tool when the nailing action is executed. The device is used for accurately positioning an iron nail so that a firing pin can accurately strike the iron nail to achieve nailing.

This utility model provides an online rotary descaling nozzle assembly for shell-and-tube heat exchangers, relating to the field of descaling nozzles. It includes a spray cover and an inlet cylinder. A pressure cylinder is screwed onto the outer side of the inlet cylinder, a tension spring is welded to the top of the inlet cylinder, a shielding shell is welded to the outer side of the inlet cylinder, and a telescopic cylinder is slidably connected to the inner side of the inlet cylinder. A ring plate is welded to the bottom end of the telescopic cylinder, a rotating cylinder is rotatably connected to the inner side of the telescopic cylinder, a propeller plate is welded to the inner side of the rotating cylinder, and a guide plate is welded to the inner side of the telescopic cylinder. A rotating cylinder is welded to the bottom end of the spray cover. The arrangement of the spray cover, tension spring, telescopic cylinder, and rotating cylinder avoids the problem of traditional nozzles being easily clogged by external scale due to exposed nozzles, ensuring that the nozzle assembly can smoothly advance inward along the tube bundle. This solves the problems of traditional rotary descaling nozzles where the head position cannot break through scale blockages in the tube bundle and the exposed nozzle structure being easily clogged by external scale.

The invention relates to a high-power coaxial gas-driven drum laser cladding powder feeder and an operation method, the high-power coaxial gas-driven drum laser cladding powder feeder comprises a coaxial powder feeding assembly, the coaxial powder feeding assembly is located above a workbench and used for carrying out laser cladding processing on a workpiece on the workbench, and the coaxial powder feeding assembly is connected with a powder feeder assembly. The stirrer is additionally arranged in the powder storage hopper and is driven by the motor A, so that the problems of agglomeration, bridging and low stacking density of ultrafine powder are effectively avoided, the fluidity of the powder is improved, the conveying amount of the powder can be accurately controlled through the design of the powder feeding wheel and the adjustment of the rotating speed, and uniform conveying of the powder is ensured; and the pneumatic conveying structure is additionally arranged, so that the powder is uniformly and stably conveyed out under the action of gas kinetic energy, and the problem that the powder is bonded and agglomerated is solved.

The invention discloses an intelligent fishway fish passing effect monitoring device, and relates to the technical field of fish resource protection, the intelligent fishway fish passing effect monitoring device comprises a cleaning cylinder, the outer side of the cleaning cylinder is welded with a connecting arm, the bottom of the inner side of the connecting arm is provided with a bearing, the inner side of the bearing is embedded with a rotating column, and the outer side of the connecting arm is provided with a waterproof shell. The device is scientific and reasonable in structure and safe and convenient to use, the pressure pump is started, so that the spherical glass cover is flushed repeatedly, the water-proof motor is installed on the inner side of the water-proof shell, the water-proof motor is installed on the inner side of the water-proof shell, the water-proof motor is installed on the inner side of the water-proof shell, and a clamping disc is welded to one end of the rotating column, and the spherical glass cover is attached to one end of the clamping disc. At the moment, the originally dirty surface of the outer side of the spherical glass cover can be cleaned, and the outer surface of the spherical glass cover can be alternately cleaned through multiple times of washing, so that the surface, located in water, of the spherical glass cover is always clean, and it is guaranteed that a monitoring camera can shoot fish schools in a fishway clearly all the time during fish school monitoring.

The invention discloses a power battery electromagnetic exposure and human body physiological signal measuring device and analysis method, and relates to the field of power battery analysis and calculation, and the method comprises the steps of obtaining power battery parameter information, and obtaining starting electromagnetic field information based on electromagnetic field monitoring according to the power battery parameter information. According to the method, the difference condition between the calculated value and the actual value of the electromagnetic field intensity is accurately evaluated through the electromagnetic field difference coefficient, and the speed electromagnetic field change correlation in the constant speed state is analyzed through the speed electromagnetic field correlation coefficient; by accurately analyzing the influence relationship between the electromagnetic exposure of the power battery and the human physiological signal during the starting state and the constant-speed driving of the electric vehicle, the state change of the power battery is adjusted by taking the change condition of the electromagnetic field during the constant-speed driving as a reference, and the influence of the state change of the power battery on the human physiological signal is accurately analyzed; and a reference basis is provided for making safety standards and policies in the electric vehicle industry.

This invention relates to a method and application for estimating the organ weight of healthy tilapia, belonging to the field of aquatic animal experimental technology. The method provides a functional relationship between the body weight of healthy tilapia and the weight of various organs. This invention also provides a method for evaluating the effectiveness of tilapia animal experiments using the aforementioned method. The method involves measuring the weight of tilapia at each stage of the experiment, using the method to estimate the organ weights corresponding to the healthy tilapia at that body weight, obtaining the organ weights of the experimental tilapia, and evaluating the impact of experimental factors on the various organs of the tilapia based on the obtained organ weights corresponding to the healthy tilapia at that body weight. This invention provides an accurate method for evaluating the impact of experimental factors on the organs of tilapia in animal experiments.