13results about How to "Simple test steps" patented technology

The application discloses a nuclear factor YB subunit gene GhNF-YB3 and application thereof, the nucleotide sequence of the gene GhNF-YB3 is shown as SEQ ID NO. 1; through yield character investigation on 245 upland cotton varieties, GWAS and eQTL positioning are carried out in combination with population genome resequencing and ovule transcriptome sequencing one day after flowering, and a site gene GhNF-YB3 significantly related to cotton yield character is obtained. The gene expression of the gene GhNF-YB3 is significantly positively correlated with two yield characters of seed index and boll weight, and the gene may be a causal gene for regulating cotton seed index character. The nuclear factor YB subunit gene GhNF-YB3 of the application can be applied to identification of high-yield upland cotton varieties and improvement of cotton yield character.

The application relates to the technical field of PCIe devices, and discloses a parameter configuration method and device, a computer device and a storage medium, the method comprising the following steps: setting a plurality of first preset value combinations; configuring preset values of a plurality of PCIe devices according to the first preset value combinations, and performing first testing on the plurality of PCIe devices to obtain first testing results; determining an effective preset value range that can be configured by each PCIe device according to the first testing results; selecting an effective preset value from the effective preset value range corresponding to each PCIe device to form a second preset value combination; configuring preset values of the plurality of PCIe devices according to the second preset value combination, and performing second testing on the plurality of PCIe devices to obtain second testing results; and determining an optimal second preset value combination according to the second testing results corresponding to the plurality of second preset value combinations. The application can determine optimal preset values corresponding to each PCIe device respectively, and can simultaneously ensure the stability of PCIe links of each PCIe device.

The invention relates to the technical field of aging tests, and discloses a test device and method for accelerating material aging through multi-environmental factor coupling, and the test device for accelerating material aging through multi-environmental factor coupling comprises a test box body which is used for providing an aging degree test environment; the illumination system is mounted in the test box body and is used for providing irradiation for the test box body; the salt mist system is connected to one side of the test box body through a pipeline and is used for spraying salt mist into the test box body; and the gas mixing system is connected to one side of the test box body through a pipeline and is used for guiding various gases into the test box body. By adopting the multi-factor coupling material aging system, the combined action of multiple factors in a service environment is simulated, the process of a multi-factor coupling aging test is accelerated, the test steps are simplified, the test period is greatly shortened, the manual labor is reduced, and the system closely combines a salt fog factor with other environmental factors.

This utility model discloses a multi-input / output power supply testing fixture, including a test circuit board, and a banana-shaped connector terminal unit, a J30J micro-pitch connector unit, and a toggle switch unit mounted on the test circuit board. The banana-shaped connector terminal unit is used to connect to external testing equipment; the J30J micro-pitch connector unit enables plug-in and plug-out connection with the multi-input / output power supply under test; and the toggle switch unit controls the enable terminal of the multi-input / output power supply. This utility model is easy to operate, simplifies the testing of multi-input / output power supplies, has low fixture wear and is easy to control, can realize electrical performance testing of multi-input / output power supplies, has a wide range of applications, and improves the testing efficiency of multi-input / output power supplies.

This invention relates to the field of soil frost heave characteristic testing technology, and particularly to an improved soil frost heave characteristic testing device and method, comprising an acrylic mold, wherein several threaded holes are respectively opened on both sides of the acrylic mold along its height direction, and a special hole bolt is threaded into the threaded holes. The special hole bolt includes a bolt part and a flared mouth with an integral structure. A circular hole is opened in the middle of the bolt part, and the flared mouth is threaded on the outside. A matching rubber stopper is installed in the middle of the flared mouth. The matching rubber stopper is frustoconical and is divided into four equal parts. The matching rubber stopper fits tightly with the flared mouth. The contraction of the flared mouth causes the middle hole of the rubber stopper to shrink, thereby fitting tightly with the sensor cable. A hexagonal metal washer is threadedly connected to the outside of the flared mouth. The hexagonal metal washer is used in combination with the flared mouth to tighten the flared mouth.

This invention discloses a fingerprint module factory testing method, device, and computer-readable storage medium. The method includes: creating an initial password verification factor for the device in the fingerprint module's factory testing mode; setting the device's password to a preset keystore based on the initial password verification factor; when the device's password is successfully set, recording a test value of 1 through a corresponding system attribute; verifying the initial password verification factor and the keystore to obtain verification response body parameters; if the verification response body parameters are not empty, obtaining the verification token of the verification response body, and using the verification token to enable fingerprint verification of the device. This provides an efficient fingerprint module factory testing scheme, greatly simplifying the testing steps for fingerprint modules in smart devices, reducing labor and time costs, and improving productivity.

The utility model discloses an analog load testing arrangement and system. Analog load testing arrangement includes: first resistance device, second resistance device, transmission shaft, manual control subassembly, automatic control subassembly and controller, and first resistance device and second resistance device are coaxial connection through transmission shaft, and transmission shaft connects manual control subassembly and automatic control subassembly, and transmission shaft is used for adjusting first resistance device and second resistance device, and first resistance device connects analog load signal end, and second resistance device is electrically connected with controller, and controller is also electrically connected with automatic control subassembly, and controller controls automatic control subassembly to adjust first resistance device and second resistance device, and the resistance of detecting second resistance device. The utility model discloses technical scheme, through resistance device, transmission shaft and control subassembly etc. simple device, has solved the inconvenient carrying and high cost problem of current testing arrangement, can simplify the test step of complex load scene.

The invention discloses a device and method applied to diffusion visualization and diffusion efficiency evaluation of a regenerant, and the device comprises a transparent visual main body unit, a partition temperature control system, a detachable movable blocking assembly, a double-path independent gravity constant-pressure loading system and a visual observation assembly, a transparent housing base body is provided with a rectangular accommodation cavity with scales, and the rectangular accommodation cavity is divided into a first chamber and a second chamber; the two groups of independent loading assemblies are correspondingly arranged respectively; a transparent medium and a fluorescent direct reading scheme are adopted, the diffusion process of the regenerant is visually observed in real time, traditional slicing and CT scanning are replaced, the steps are simplified, the cost is reduced, and the test efficiency and the data traceability are improved; through gravity loading and piston follow-up compensation, a partition plate dissociation gap is automatically filled, and consistency of test conditions and true data are guaranteed; in combination with medium cooling and curing and the negative pressure coring cutter, in-situ lossless sampling is realized, the sample integrity is ensured, and the stratified analysis positioning precision is improved.

The invention provides an avionics control panel integration test system, a test method and test equipment. The test system comprises a multi-path power supply output module used for providing various power supplies with different types, voltages and frequencies for the avionics control panel; the power supply input management module is used for being connected with an external power supply so as to receive and process two externally input power supplies with different specifications; the multi-path signal control and monitoring module is used for simulating discrete control signals input to the avionics control panel and monitoring response signals of the avionics control panel; the data communication module is used for carrying out standardized digital data communication with an avionics control panel; and a plurality of power supply and signal test points which are distributed in the modules and are used for being connected with external test equipment so as to monitor power supply output parameters and signal levels in real time. The test system is adopted in the test method. The test device comprises a circuit board and an electronic component for implementing the test system.

The invention discloses a device and a method for determining the wet true density of ion exchange resin, and the method comprises the following steps: placing an ion exchange resin sample to be tested at the bottommost end of a first container, and recording the mass of the ion exchange resin sample to be tested in air; opening the buckle, enabling the ion exchange resin sample to be tested to freely fall into the second container, and recording the mass of the ion exchange resin sample to be tested in the auxiliary liquid; and calculating the wet true density according to the mass of the ion exchange resin sample to be tested in the air and the mass of the ion exchange resin sample to be tested in the auxiliary liquid. According to the method, the Archimedes principle is utilized to test the wet true density of the ion exchange resin, the ion exchange resin to be tested flows into the auxiliary liquid, the mass of the ion exchange resin to be tested only needs to be recorded twice in the testing process, and the method is simple in step, time-saving, efficient, small in personal error and good in reproducibility.

The invention discloses a hydroxyl value testing method of a water-based composition and application thereof, and relates to the field of chemical or physical property testing of materials, and the hydroxyl value testing method comprises the following steps: mixing the water-based composition with a solvent mixture, and stirring until the water-based composition is completely dissolved to obtain a water-based composition solution; and adding boric acid into the aqueous composition solution, controlling the pH value, carrying out a constant-temperature water bath reaction, avoiding boiling to obtain a mixture, cooling, and testing to complete the hydroxyl value test. According to the method disclosed by the invention, pyridine and imidazole are replaced by boric acid, so that the use of harmful reagents is avoided, complicated derivatization or dangerous byproducts are avoided, and the test steps are simpler and more convenient compared with the traditional method. The method not only simplifies operation steps, but also reduces energy consumption and equipment requirements.

The application discloses a kind of electric vehicle battery life quick test methods, comprising the following steps: S1: obtaining battery;S2: discharge battery to termination voltage by first current, obtain discharge capacity;Constant voltage and second current are charged for several hours to battery, and the battery is stationary after charging;If discharge capacity is greater than capacity threshold, calculate capacity attenuation rate, repeat step S2, if discharge capacity is not greater than capacity threshold, end test;S3: based on continuous capacity attenuation rate determines whether battery has life problem.The beneficial effects of the present application are: it can shorten the test cycle, quickly determine whether the positive plate has interface problem, simple operation and strong applicability.

This invention relates to a measurement system and method for the energy release rate of a moving crack under explosive loading, belonging to the field of explosion dynamics. The system includes: a cold light source, a speckle target surface, an electric translation stage, a specimen, a fixture, an explosive charge, a multi-channel timing delay controller, a pulse igniter, a high-speed camera, a camera bracket, and a computer. It employs a combination of digital gradient sensitive photometry and explosion dynamics testing techniques. A high-speed camera captures images of the speckle target surface behind the acrylic glass specimen under explosive loading. Digital gradient sensitive photometry measures the light deflection angle distribution near the tip of the moving crack in the acrylic glass specimen, thereby measuring the dynamic energy release rate of the moving crack. This method eliminates the tedious process of counting photoelastic fringes, simplifying the experimental steps, making the crack tip easier to identify, and providing reliable results. Compared to traditional methods, a crack propagation rate correction coefficient is added, making the experimental results more accurate.