52results about How to "Short test time" patented technology

The utility model belongs to the technical field of civil engineering test equipment, and particularly discloses test equipment for an aeolian sand highway subgrade reduced scale model, which comprises a model box and a subgrade reduced scale model, the subgrade reduced scale model is arranged in the model box, a loading device is arranged above the subgrade reduced scale model, a displacement meter is arranged on the upper surface of the subgrade reduced scale model, and a displacement sensor is arranged on the upper surface of the displacement meter. A miniature settlement rod is embedded in the roadbed reduced scale model, soil pressure sensors are laid in the roadbed reduced scale model in a layered mode, a plurality of fiber bragg grating strain gauges are embedded in the roadbed reduced scale model below the loading device, the soil pressure sensors are connected with a soil pressure cell collector, and the fiber bragg grating strain gauges are connected with a fiber bragg grating demodulator. The soil pressure cell acquisition instrument and the fiber grating demodulation instrument are connected with the PC through wires; a displacement meter, a miniature settlement rod, a soil pressure sensor, a fiber bragg grating strain gauge and the like are laid and installed on the roadbed reduced scale model to detect various performance indexes of the roadbed reduced scale model after pressure is applied, and guidance is provided for actual engineering.

The invention provides a wind power blade ultra-high cycle fatigue performance testing method and device, and relates to the technical field of performance test.The wind power blade is subjected to finite element analysis, the dangerous position and the stress condition of the blade are determined, and on the basis that M potential dangerous nodes with common characteristics are screened out, the performance of the wind power blade is tested. Further screening out potential resonance risk nodes, determining a plurality of dangerous sections corresponding to each potential resonance risk node, screening out a key dangerous section from the plurality of dangerous sections, and analyzing vibration displacement data of each key dangerous section under different loads; a secondary screening strategy for screening out the final dangerous section is obtained, a blade structure test piece is designed and machined according to the final dangerous section, the blade structure test piece is made to generate high-frequency forced vibration under the action of a pressure head, and an ultrasonic fatigue testing machine with the optimized clamp is used for conducting an ultra-high-cycle fatigue test on the wind power blade structure test piece; the technology needs a small test site and is short in test time.

The invention provides a method for rapidly evaluating the residual life of a high-temperature material for active service equipment, and belongs to the field of life evaluation in the field of materials. The method comprises the following steps: firstly, obtaining high-temperature creep relaxation rates and high-temperature creep endurance life information of two or more samples at different temperatures, and determining main curve equations and corresponding parameters ZSRT of different time sequence tissue states; thirdly, main curve equations of different time sequence organization states and corresponding parameters Zc are obtained, and the incidence relation between the ZSRT and the Zc is established; 5, for the to-be-evaluated alloy, obtaining a high-temperature creep relaxation rate main curve equation and a corresponding parameter ZSRT of the to-be-evaluated alloy; and 6, calculating the parameter Zc of the to-be-evaluated alloy by using the incidence relation between the ZSRT and the Zc, and establishing a high-temperature creep endurance life main curve equation through the parameter Zc to realize life evaluation. The method has the advantages of short test time, less material loss, high data utilization rate and the like, and is particularly suitable for evaluating the endurance life caused by the change of the structure state.

The invention discloses a method for measuring the thickness of a battery pole piece, and belongs to the technical field of batteries. Comprising the following steps: pouring liquid resin glue into a container for the first time, and curing to form a first resin layer; placing a battery pole piece to be detected on the surface of the first resin layer in parallel, pouring the liquid resin sizing material into the container for the second time, and curing to form a second resin layer to obtain a resin sample; vertically cutting the sample along a direction vertical to the surface of the resin sample to obtain a section end of the to-be-detected pole piece; grinding, polishing and rectifying the tangent plane end until the error between the actual value and the theoretical value of the foil thickness is within a preset range to obtain a standard to-be-detected product; and measuring the thickness of the pole piece by adopting three-dimensional measuring equipment. The measuring method is convenient to operate, simple in sample preparation, short in measuring time, low in cost, high in measuring result accuracy and capable of measuring the single-face thickness of the pole piece.

The application discloses a method for determining the content of chromium in a mixture of iron and chromium, and comprises the following steps: S1, oxidizing the divalent iron ions in the mixture of iron and chromium into trivalent iron ions under an acidic condition; S2, adding sodium hydroxide solution and hydrogen peroxide under stirring, so that the trivalent iron ions form iron hydroxide precipitate, and the trivalent chromium ions are oxidized into hexavalent chromium ions; S3, adding an acidic solution, so that the iron hydroxide precipitate is dissolved, and the wrapped trivalent chromium ions are released; adding sodium hydroxide solution and hydrogen peroxide under stirring, so that the trivalent iron ions form iron hydroxide precipitate, and the released trivalent chromium ions are oxidized into hexavalent chromium ions; S4, repeating the step S3 X times; X is an integer greater than 0; and S5, determining the content of chromium in the mixture. The method for determining the content of chromium in the mixture of iron and chromium has the advantages of accurate measurement, high precision, simple operation and improved efficiency of the determination of the content of chromium.

This invention discloses a method for evaluating the storage lifetime of a missile-borne fiber optic inertial navigation system, comprising: determining the acceleration temperature value T of the test. k The acceleration temperature value T was obtained. k Under these conditions, the acceleration coefficient A of the fiber optic inertial navigation system F According to the acceleration coefficient A of the fiber optic inertial navigation system F Storage time t required for fiber optic inertial navigation systems 贮存时间 The acceleration temperature value T was obtained. k Under these conditions, the time t required to conduct accelerated testing 加速时间 According to t 加速时间 Determine several sampling times; at the accelerating temperature value T k Under certain conditions, accelerated testing was conducted on the fiber optic inertial navigation system (INS), and degradation-sensitive parameters of the INS were acquired at each sampling time. A relationship between these degradation-sensitive parameters and time was constructed. Based on the relationship between these parameters and time under storage temperature conditions, and the out-of-tolerance criterion for the degradation-sensitive parameters, the storage lifetime of the INS under storage temperature conditions was obtained. This invention achieves the assessment of the storage lifetime of fiber optic INS, with advantages such as short testing time, scientific evaluation method, and reasonable evaluation results.

The utility model belongs to high temperature friction coefficient test technical field especially for a kind of low-speed high-temperature environment with lubricating material friction coefficient testing device, including casing, bottom plate and base, casing is set in bottom plate upper portion, base is set in bottom plate lower portion;The top surface of bottom plate is respectively provided with horizontal key and vertical key, and force measurement driving assembly is also provided on the bottom surface of bottom plate;Supporting seat is provided on the mounting hole corresponding to horizontal key;The rear end of supporting seat is provided with motor base, and coupling is provided in the middle part of motor base;The end of coupling is connected with servo motor;The front end of supporting seat is provided with bearing, and supporting shaft is provided in the lower part of bearing;The front end of supporting shaft is also provided with test shaft;The front end of test shaft is provided with test assembly.The utility model can realize the standardization measurement of finished lubricating material sliding friction coefficient under low-speed high-temperature environment, solve the problem that traditional method cannot quantize test data.

The invention discloses a complex system optimal test strategy generation method based on a sequential-parallel test mode, and the method comprises the steps: firstly constructing a fault test model, then dividing a fault probability distribution type and a test time distribution type, and on this basis, carrying out the classification of the fault probability distribution type and the test time distribution type; a fault set is continuously expanded by using a heuristic function to generate an optimal test strategy of a complex system, namely an optimal SPTS (Sequence-Parallel Test Strategy), the heuristic function is fitted by a double-layer perceptron, and a weight matrix set of the double-layer perceptron is iteratively determined by a particle swarm algorithm. According to the method, the test sequence is dynamically adjusted in the test process, the test cost and accuracy are balanced, and the efficiency and accuracy of complex system fault diagnosis are improved; meanwhile, by establishing a mixed distribution model, introducing a dynamic cost evaluation mechanism and taking test of the segmentation capability of the to-be-expanded node into a judgment basis, optimal test strategy generation for different fault distributions is realized, and the fault diagnosis speed and accuracy are further improved. And high-efficiency fault isolation and diagnosis in a complex test environment are ensured.

The present invention discloses a method, device, readable storage medium and electronic device for determining a load spectrum of a road test. The method comprises: obtaining an original load spectrum of a road test, segmenting the original load spectrum according to each working condition in the original load spectrum to obtain a multi-segment original load spectrum; obtaining the damage of each signal channel under each working condition according to all signal channels of each working condition in the multi-segment original load spectrum; obtaining the total damage of each signal channel of the road test according to the standard cycle number of the road test and the damage of each signal channel, and determining the damage proportion of each working condition under each signal channel; obtaining a damage proportion matrix of the damage proportion of each working condition under each signal channel, and determining the target cycle number of each working condition according to the damage proportion matrix and the total damage of each signal channel of the road test to determine the target load spectrum of the road test. The problem of long test time when conducting vehicle road tests in the prior art is solved.

The invention relates to the field of asphalt performance evaluation, in particular to a rapid evaluation method for SBS modified asphalt performance based on a phase state structure. Aiming at the problem of long asphalt performance evaluation time consumption caused by the existing SBS modified asphalt performance evaluation method, the invention provides the SBS modified asphalt performance rapid evaluation method based on the phase state structure. Constructing an SBS modified asphalt performance evaluation model; obtaining a trained SBS modified asphalt performance evaluation model; acquiring a to-be-evaluated SBS modified asphalt phase structure picture, and inputting the to-be-evaluated SBS modified asphalt phase structure picture into the trained SBS modified asphalt performance evaluation model to obtain a performance result of the to-be-evaluated SBS modified asphalt; test instruments are few in types, test time is short, and asphalt consumption is low. According to the method, rapid evaluation of the high and low temperature performance and the storage stability of the SBS modified asphalt can be realized by only one test, and the problem of long asphalt performance evaluation time consumption caused by an existing SBS modified asphalt performance evaluation method is solved.

The application relates to a method and system for testing a DC supporting capacitor, comprising: applying a DC voltage and superimposing a rated power frequency ripple voltage to a DC supporting capacitor sample at a first preset temperature, continuing for a first preset interval to complete a first stage test; adjusting the temperature and the applied DC voltage until the capacitor value loss is greater than or equal to a preset capacitor value loss or until the capacitor average hourly decline value is less than a preset threshold after a preset withstand voltage time interval under the test conditions of a preset stop temperature and a preset stop voltage, and the second stage test is completed; modifying the applied DC voltage and superimposing the rated power frequency ripple voltage at the first preset temperature, continuing for a second preset interval to complete a third stage test; if the capacitor sample does not appear self-healing failure, does not appear shell burst and / or appears pressure switch action, performing a voltage test; if no breakdown and flashover occur, it is determined that the test is passed.

The invention belongs to the technical field of bioengineering and pesticide residue detection, and discloses a method for detecting organophosphorus pesticide by a two-enzyme colorimetric method based on immobilized plant esterase, which comprises the following steps of: (1) respectively mixing every 50 microliters of immobilized plant esterase with final concentration of 1mg / mL with 50 microliters of organophosphorus standard sample solutions with different concentrations, taking distilled water as a blank control, and taking distilled water as a standard control; the preparation method comprises the following steps of: performing incubation at room temperature, sequentially adding HRP (horse radish peroxidase), a substrate 1-NA, TMB (tetramethylbenzidine), H2O2 and an acetic acid buffer solution into a reaction solution, oscillating, incubating, measuring an absorbance value A659, and calculating an inhibition ratio I; and (2) taking a to-be-detected sample, operating according to the step (1), calculating the inhibition ratio I, and substituting the inhibition ratio I to obtain the concentration of the organophosphorus pesticide in the to-be-detected sample. The method is simple and rapid to operate, low in cost, good in stability, high in OPs detection sensitivity and wide in detection range, and has a relatively good application prospect in rapid screening and detection of organophosphorus pesticide detection in fruits and vegetables.

The embodiment of the present invention provides a semiconductor refrigeration chip test tool, which relates to the field of semiconductor refrigeration technology. The semiconductor refrigeration chip test tool includes a positioning frame, a limit module, a heating module and a heat dissipation module. The limit module is set on the positioning frame, and then the heating module is set on the limit module, and then the heat dissipation module is detachably connected to the positioning frame, wherein the refrigeration chip is placed on the heating module, and the heat dissipation module is used to press the refrigeration chip, and the refrigeration chip, the heating module and the limit module are pressed together, thereby achieving the fixation of the refrigeration chip. When the refrigeration chip needs to be removed or replaced, only the heat dissipation module needs to be removed to expose the refrigeration chip, and both installation and removal are very convenient. Compared with the prior art, the present invention can realize the performance test of the semiconductor refrigeration chip, and can conveniently disassemble and assemble the refrigeration chip, and the test takes a short time and has good accuracy.

The invention discloses an oxygen supply system testing device which comprises a dry side gas supply structure, a wet side gas supply structure and a gas detection module. The dry side air supply structure can supply dry air, and the dry side air supply structure, the compression inlet, the compression outlet, the humidifying dry side inlet and the humidifying dry side outlet are sequentially connected; the wet side air supply structure can supply wet air, and the wet side air supply structure, the humidifying wet side inlet, the humidifying wet side outlet, the expansion inlet and the expansion outlet are sequentially connected. The gas detection module is used for detecting parameters of gas flowing through the humidifier, the compressor and the expansion machine. Therefore, the humidifier, the compressor and the expansion machine can be tested together by using the same device under the condition that equipment is not plugged and unplugged, so that the equipment redundancy is reduced, the function integration degree is relatively high, and the test time consumption is short.

The application belongs to the technical field of gyroscopes, and discloses a gyroscope position calibration method and system, the method comprising: applying angular velocity excitation to the gyroscope, obtaining the theoretical rotation angle of the gyroscope at a plurality of sampling positions in a rotation period; recording the arrival time of the gyroscope rotating to each sampling position; determining the actual rotation angle at each sampling position according to the angular velocity excitation, the preset initial error term of the gyroscope and the arrival time at each sampling position; constructing the cost function of the error term based on the actual rotation angle and the theoretical rotation angle at each sampling position; and solving the cost function of the error term based on an optimization algorithm to calibrate the preset initial error term and obtain the calibrated error term. The application solves the constructed cost function of the error term by using the optimization algorithm, calibrates the preset initial error term, and has high calibration accuracy, low test time consumption and high calibration efficiency.

The low-temperature environment coil device field detection method belongs to the technical field of power equipment state monitoring and fault diagnosis, and solves the problems of invalidation of traditional detection methods, high misjudgment rate and difficulty of stable work of field instruments caused by nonlinear change of material characteristics of coil devices under extremely low temperature conditions. The low-temperature environment coil device field detection method comprises the following steps: under the environment temperature ℃, a wide-frequency pulse excitation is input to the coil device, and the instantaneous voltage, the instantaneous current and the surface temperature of the coil are synchronously collected; according to the collected data, the thermal disturbance energy quantum and the low-temperature self-healing impedance are calculated, the two characteristics are fused to generate the temperature health degree fingerprint dimensionless characteristic, and the temperature health degree fingerprint dimensionless characteristic is compared with the upper and lower thresholds of the low-temperature golden interval of the same type of device to determine whether the coil device has the turn-to-turn short circuit or the abnormal high thermal resistance fault of the joint.

The application belongs to the technical field of valve testing, and specifically provides a valve testing device, which comprises a detection table, one side of the detection table is provided with a pre-detection feeding mechanism, the side of the detection table away from the pre-detection feeding mechanism is provided with a screwing mechanism, the front side of the detection table is connected with a discharging table, the rear side of the detection table is provided with an insertion type detection assembly, and the insertion type detection assembly is provided with a discharging mechanism; the valve testing device can automatically adjust valve clamping and testing parameters according to the specific size of the valve; in addition, the application of a visual perception system is combined, a pre-action principle is adopted, the valve body is automatically clamped and tested during valve testing, and unqualified products are automatically marked, so that manual intervention is not needed, the testing time is short, and the degree of automation is high.

The utility model discloses a device for testing the assembling pressure of a lead storage battery, which comprises a front cover, a rear cover and at least one group of middle baffle plates arranged between the front cover and the rear cover, each middle baffle plate is provided with a through mounting port, a pole group is arranged between the front cover and the rear cover and penetrates through the mounting port, and the pole group is arranged in the mounting port. The top of the front cover and the top of the rear cover are respectively provided with a through hole for insertion of a terminal, the front cover and the rear cover are close to each other through gradual tightening of the locking piece, and assembly pressure applied to a pole group clamped between the front cover and the rear cover is increased accordingly. The pressure can be transmitted to the detection surface of the piezoelectric ceramic pressure sensor, the piezoelectric ceramic pressure sensor detects the assembling pressure borne by the pole group, meanwhile, the assembling pressure of the pole group can be controlled according to requirements, performance testing of a plurality of pole groups can be carried out at a time, and the testing device is short in testing time, convenient to operate and high in repeatability.

This invention relates to a blank board testing system and method for Mini LED substrates, used for conducting continuity tests on the Mini LED substrate circuitry before chip packaging. The blank board testing system includes a Mini LED substrate, a blank board testing module, and a result display unit. This invention employs a method where the control unit for controlling the test path and the Mini LED substrate circuitry under test are contactably connected to any corner pad in a matrix of pads via a substrate connector to perform continuity testing. A single, simple operation allows for one-click testing of an entire substrate, resulting in short testing time and high efficiency. Furthermore, this connection control method is adaptable to all products using fully connected matrix pads, saving on personnel training costs and fixture development costs. In addition, this invention uses a storage and analysis unit to record the continuity test results of multiple Mini LED substrate circuits for overall analysis and visualization, facilitating timely detection and improvement of process defects and saving unnecessary costs.

The utility model relates to a high-efficiency interchangeable vacuum silicon tube performance testing device, and belongs to the technical field of vacuum testing. Comprising a vacuum cavity, the vacuum cavity is provided with a quick-insertion test connecting pipe unit, a vacuum silicon pipe is inserted into the quick-insertion test connecting pipe unit, two ends of the vacuum cavity are respectively connected with a flange joint, one flange joint is connected with a vacuumizing unit through a metal hose, and the other flange joint is connected with a vacuum detection device. The vacuumizing unit vacuumizes the vacuum cavity, and the performance of the vacuum silicon tube is quickly evaluated by comparing a numerical value on the vacuum detection device with the vacuum degree marked on the vacuum silicon tube. The quick-plug test connecting pipe unit comprises two quick-plug test connecting pipes which are symmetrically arranged, and sealing rings are arranged at the joints of the quick-plug test connecting pipes and the vacuum cavity. The device is convenient to disassemble and assemble, short in testing time, capable of improving the testing efficiency and precision and suitable for rapid batch testing of the vacuum silicon tubes in the high-vacuum heat insulation container.

The invention discloses a test method for testing the choked flow characteristic of a pile foundation open type breakwater, and relates to the technical field of breakwater choked flow characteristic tests, and the method comprises the following steps: S1, determining the size of a test water tank and a model scale; s2, configuring a test water tank, and arranging a pile foundation open type breakwater model in the test water tank; s3, determining upstream and downstream water flow stable areas, and respectively selecting a test section in the upstream and downstream water flow stable areas; s4, carrying out a characteristic test experiment, and after the flow field is stable, obtaining the water depth and the average flow velocity of the upstream test section and the downstream test section; and S5, based on the energy equation and the momentum equation, calculating head loss and water flow resistance of a hydrodynamic field caused by the pile foundation open type breakwater model. According to the method, the structural complexity of the pile foundation open type breakwater is fully considered, and the choked flow characteristic test can be rapidly and accurately carried out.

The application discloses an optical receiving end bandwidth test method, system and related equipment, which first performs coarse scanning by a first sweep frequency step and divides the amplitude-frequency response area, then determines a smaller second sweep frequency step according to the transition core area attenuation slope, adopts differential sampling in different areas, effectively reduces frequency point redundancy, shortens test time consumption, accurately captures the amplitude-frequency rapid attenuation characteristics, balances test efficiency and accuracy, and adapts to production line batch test requirements. By combining real-time signal-to-noise ratio adjustment sampling time and Fourier transform average number, the influence of various interference factors can be inhibited; by peak detection, roll-off characteristic determination, matching of a suitable low-pass model for global fitting, random sampling errors can be eliminated, the standard amplitude-frequency response curve can be fitted to the actual characteristics, and the stability and repeatability of bandwidth determination are improved. The method realizes accurate, efficient and stable test of the optical receiving end bandwidth through the organic combination of adaptive non-uniform sweep frequency and model fitting, and improves the test performance.

The invention discloses a passive optical fiber optical transmission performance testing device and method, and the device comprises a single-mode single-wavelength light source, an optical fiber patch cord, a red light source, a beam combiner, an extended optical fiber, a tested passive optical fiber, an optical axis calibrator, an attenuation piece, a CCD (Charge Coupled Device) and a processor, the optical axis calibrator, the attenuation slice and the CCD are sequentially arranged at one end, far away from the extended optical fiber, of the passive optical fiber to be tested, the beam combiner is further connected with the red light source, and the CCD is connected with the processor. According to the device and the method for testing the optical transmission performance of the passive optical fiber, the distribution change condition of the light spots after the laser passes through the tested passive optical fiber is evaluated by calculating the ovality of the light spots and the sizes of the long axis and the short axis of the light spots, and the influence of different technological processes on the transmission performance of the passive optical fiber and the optical transmission performance of the passive optical fiber are judged; test time is short, safety is high, and cost is low.

The invention relates to an acute altitude sickness prediction system and method, and the system comprises an obtaining module which is used for obtaining the current step test physiological data of a to-be-predicted user; the prediction module is used for inputting the test physiological data of the current step into the acute altitude sickness prediction model to obtain a category label of the to-be-predicted user and / or a plateau Lewis lake scoring interval probability value; and the generation module is used for generating an acute altitude sickness prediction result of the to-be-predicted user according to the category label and / or the plateau Lewis lake scoring interval probability value. Therefore, the method solves the problems of dependence on professional equipment, high cost, long training period, complex evaluation process, high requirement on operation speciality and difficulty in large-scale popularization when related technologies are used for predicting the acute altitude sickness, utilizes the steps of the plain region to test physiological parameters, quickly, noninvasively and simply evaluates the tolerance of the acute altitude sickness, and has a good application prospect. The probability and severity level of acute altitude sickness after the individual enters the plateau are predicted, and the method is not limited by time and places.

The present application provides a kind of explosion shock wave and fragment injury system, comprising: system pipeline, connect each gas chamber;Air source device, including air compressor and high-pressure gas tank, air compressor and high-pressure gas tank are communicated by system pipeline;Firing device, can launch shock wave and several number of fragments;Protective device, for protection, test data and recovery projectile, protective device is connected with transmission device, can return part of shock wave received by protective device to firing device;And electrical control system, with air source device, firing device and protective device electric connection, for controlling the inflation of each gas space and the launch time and sequence of firing device.Can control shock wave and fragment to reach organism sequence and the number of fragment hitting organism, greatly improve the repeatability and precision of test, and make inflation valve open automatically after shock wave shooting, save shock wave gas chamber inflation time.

The present invention discloses a method for estimating permanent deformation of improved construction waste-expansive soil under dry-wet cycles, specifically: determining the maximum dry density and optimal moisture content of mixed fillers corresponding to different construction waste incorporation rates through compaction tests; preparing mixed fillers with different construction waste incorporation rates, with the moisture content being the optimal moisture content, and conducting dry-wet cycle tests; conducting dynamic triaxial tests on mixed filler samples that have undergone preset dry-wet cycle times, obtaining the sample permanent deformation value, obtaining the influence functions of different construction waste incorporation rates, dry-wet cycle times, compaction degree, loading stress, and loading times on permanent deformation; multiplying each influence function to establish a permanent deformation estimation model; and fitting the model parameters according to dynamic triaxial test data. The present invention can conveniently and accurately obtain the permanent deformation of improved construction waste-expansive soil, and scientifically guide its application in roadbed filling. The model has clear physical meaning and simple structure, which reduces the difficulty of the test.

The present invention relates to a device and method for evaluating the uniformity of pouring of a semi-flexible pavement grouting material. The device comprises a circular tube, a semicircular groove, a bottom plate and a side plate. The side plate is connected to the bottom plate to form an open container. Two mutually perpendicular semicircular grooves are arranged on the bottom plate panel, and the two ends thereof extend out of the bottom plate. Four vertical circular tubes are arranged outside the open container, and the part of the semicircular groove extending out of the container is connected to the bottom of the circular tube. The evaluation method utilizes the above device to divide the formed base asphalt mixture specimen into four equal-volume sector-shaped small specimens along the axial direction, and put them into the open container for a pouring test. The pouring unevenness U is calculated by testing the quality of the four small specimens before grouting and the connected porosity before and after grouting. The smaller U is, the better the pouring uniformity of the grouting material is. The present invention can accurately, efficiently and quantitatively evaluate the pouring uniformity of the grouting material, and has the advantages of simple operation method and low cost.

The invention provides a game prize pool expectation regression testing method and device, electronic equipment and a storage medium, and relates to the technical field of regression testing. The method comprises the following steps: receiving a Taiyte-level production data flow of a game prize pool, and labeling according to a business risk level, an access frequency and a historical defect rate in a partitioned manner; based on a preset four-dimensional weight formula, calculating a sampling weight of each partition data stream, and performing differential sampling by using a dynamic sampling probe; the KL divergence of the current weight distribution and the target weight distribution is calculated by taking a preset time window as a unit, and if the KL divergence exceeds an alarm threshold value, a weight drift root cause is positioned through LIME sensitive path analysis and call chain tracking; calculating a weight deviation compensation value through a PID (Proportion Integration Differentiation) controller, and adjusting the sampling weight in real time; long-tail scene coverage is enhanced based on a GAN model and a traffic playback amplification technology; and carrying out KS test and quantile anchoring on the test data to verify the weight distribution consistency. A long-tail scene is fully covered, and a verification-drift-correction closed loop is realized.

The present application belongs to the technical field of lithium battery, especially to a method for testing electronic conductivity of solid electrolyte. The steps of the present application are as follows: S1, preparing solid electrolyte sheet: taking solid battery material and placing it in a mold, then pressurizing and pressure maintaining the mold, obtaining the solid electrolyte sheet and measuring its thickness and bottom diameter; S2, conductivity test: pretreating the solid electrolyte sheet, then using a constant potential instrument to measure the direct current polarization of the solid electrolyte sheet under step voltage of 0.1 V, 0.2 V, 0.3 V, 0.4 V and 0.5 V, respectively, to obtain current data under constant voltage polarization; S3, data processing: drawing the direct current polarization curve and the equilibrium current response curve under step voltage by using the obtained current data, and calculating the electronic conductivity of the solid electrolyte sheet. The method of the present application is simple in testing, short in testing time and reliable in data.

The invention discloses a device sample preparation method for a HgCdTe Hall test and a Hall device test method, and the sample preparation method comprises the steps: coating the surface of a pretreated HgCdTe chip with photoresist, and the pretreated HgCdTe chip comprises a passivation layer and a P-type HgCdTe layer; after the photoresist is cured, performing first photoetching on the tellurium-cadmium-mercury chip to obtain a target photoetching pattern; corroding the passivation layer and the P-type tellurium-cadmium-mercury layer which are not protected by the photoresist in the target photoetching pattern to obtain a mesa structure of the Hall rod; removing the photoresist on the surface of the tellurium-cadmium-mercury chip; coating the photoresist on the surface of the tellurium-cadmium-mercury chip again, and photoetching the tellurium-cadmium-mercury chip for the second time; corroding off the passivation layer, which is not protected by the photoresist, on the surface of the cadmium-mercury chip; growing a metal electrode on the surface of the tellurium-cadmium-mercury chip; and scribing the surface of the tellurium-cadmium-mercury chip to obtain a plurality of Hall devices. The structural device prepared by the method can be used for simultaneously testing the Hall resistance and the longitudinal resistance, and is high in testing efficiency and high in testing precision.