51 results about "Analytical Testing" patented technology

This utility model relates to a sample tube recovery device in the field of analytical testing technology, comprising a storage chamber and an execution component; the execution component includes a first actuator, and the storage chamber includes a one-way baffle and a one-way spring; the storage chamber has a recessed groove for supporting the spherical area of ​​the sample tube; the one-way baffle is rotatably fixed to the upper edge of the storage chamber, one end of the one-way spring is fixed to the side of the storage chamber, and the other end is connected to one end of the one-way baffle through an arc-shaped component, with a support column below the arc-shaped component; the minimum distance between the one-way baffle and the storage chamber is at least greater than the standard diameter of the spherical area of ​​a sample tube; the actuator includes an execution part and a power part; the actuator is fixed to a fixed structure, which is located outside the storage chamber, and the execution part is retractably connected to and driven by the power part. This utility model realizes automatic storage of sample tubes.

The application provides an aero-engine bleed air component test system, which comprises a bleed air flow path, an ambient air flow path, a bleed air online analysis device and an ambient air online analysis device. The bleed air flow path is connected with the bleed air online analysis device and used for analyzing the components of the engine bleed air. The ambient air flow path is connected with the ambient air online analysis device and used for analyzing the components of the ambient air. The test system further comprises a switching flow path, which is connected with the bleed air flow path and the ambient air flow path. In a first test state, the switching flow path is closed, the engine bleed air in the bleed air flow path enters the bleed air online analysis device, and the ambient air in the ambient air flow path enters the ambient air online analysis device. In a second test state, the switching flow path is opened, and the ambient air in the ambient air flow path enters the bleed air online analysis device.

The application discloses a method for determining tin and inorganic compounds thereof in workplace air. The method comprises the following steps: firstly, using a microporous filter membrane to sample the workplace air; then, using a disposable PP polypropylene digestion tube, a digestion solution and a graphite digestion instrument to digest the microporous filter membrane after sampling; taking down the cooled microporous filter membrane and quantitatively placing it into a test tube by using a hydrochloric acid solution; adjusting the Ph value by using a sodium hydroxide solution and setting the volume to 25.0 mL; preparing a tin standard solution series and drawing a fluorescence intensity-tin content curve by using an atomic fluorescence spectrometer; analyzing the sample by using the atomic fluorescence spectrometer; the sample fluorescence intensity is proportional to the tin content; and obtaining the corresponding tin content from the fluorescence intensity of the sample according to the drawn fluorescence intensity-tin content curve. The method realizes the analysis and determination of trace, ultratrace tin and inorganic compounds thereof, reduces the instability of blank filter membranes caused by external interference, avoids the phenomenon that the blank filter membrane concentration is opposite to the sample concentration, and improves the determination precision.

An analysis apparatus in which a flat plate-shaped analysis chip onto which a test substance sample is spotted is detachably loaded is configured to analyze the test substance sample by using the analysis chip, the analysis apparatus including a transportation table on which the analysis chip is transported, and a transportation mechanism that transports the analysis chip positioned at a standby position on the transportation table to a predetermined target position while sliding the analysis chip on the transportation table by pressing the analysis chip from a rear end, the transportation mechanism including a plate-shaped pressing member configured to press the analysis chip toward the target position by pressing the rear end with a tip thereof, and a cover member capable of covering a portion of an upper surface of the analysis chip on a side of the rear end while the tip presses the rear end.

The utility model relates to material high temperature analysis test field especially, it is a kind of temperature measuring device for high temperature confocal microscope, including insulating core (1), sample support assembly (2) is equipped on the insulating core (1), temperature sensor is equipped below the sample support assembly (2), the even silk (5) of temperature sensor is arranged in the inside of the insulating core (1).The utility model through novel structure design makes temperature sensor can directly detect the real temperature of sample crucible, avoids the measurement error while greatly improves the detection efficiency and stability.Meanwhile, the application has low use cost, is easy to process, has greater market promotion value.

1. Name of the product in this design: Flexible Control Terminal for Power Load. 2. Application of this design: The power load flexible control terminal refers to a hardware device installed on the user side for collecting, predicting and analyzing, testing, controlling and providing services for power users, load aggregators, virtual power plants, etc. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This utility model relates to the field of drug analysis technology, specifically a rotary centrifuge-based drug property analysis and testing device. It includes a centrifuge body with a rotating shaft inside. A top cover is rotatably connected to the top of the centrifuge body. An installation component is provided on the outer wall of the rotating shaft, and a placement component is provided on the side wall of the installation component. The advantages are: by using the installation component and the placement component in conjunction, the sample can be directly placed into the microplate and vertically inserted into the limiting groove to complete the installation. Rotating to open the fixed cover allows the rotating squeezing block to press the slider, thus disassembling the microplate. This reduces the number of operation steps, supports various sizes of microplates, and solves the problems of inconvenient microplate replacement and cumbersome operation in traditional centrifuges. It not only improves operational convenience and experimental efficiency but also enhances safety, compatibility, and scalability.

The application discloses a multi-mode arc drawing test device, which comprises a main control module, a test container, a dust sample gas path module and a vacuum extraction pipe connected to the inner cavity of the test container. The inner cavity of the test container is provided with an electrode module and an arc drawing detection module. The electrode module, the arc drawing detection module and the dust sample gas path module are electrically connected to the main control module. The electrode module comprises two electrodes arranged in the inner cavity of the test container for forming an arc and a closed-loop servo motor electrically connected to the two electrodes. The closed-loop servo motor adjusts the distance between the two electrodes under the control of the main control module. The application is used for arc analysis and test of medium breakdown characteristics under the thermal runaway scene of lithium batteries. The dynamic medium environment is simulated through the dust sample gas path module. The transient characteristics of the medium breakdown process are accurately captured through the electrode module with adjustable distance and the arc drawing detection module, so that high-precision and high-safety test of the arc drawing characteristics of lithium batteries under complex working conditions is realized.

This invention provides a test case generation method, apparatus, device, and medium based on a large language model, relating to the field of software analysis and testing technology. The method includes: generating prompt words based on the variable data flow graph corresponding to the function to be tested and the function itself, and inputting these prompt words into a fine-tuned large language model to obtain initial test cases; obtaining evaluation metrics corresponding to the initial test cases; if the evaluation metrics corresponding to the initial test cases do not meet the evaluation conditions, returning to the step of inputting prompt words into the fine-tuned large language model to obtain initial test cases corresponding to the function to be tested, until the number of iterations is greater than or equal to an iteration threshold; and determining the test cases corresponding to the function to be tested based on the evaluation metrics corresponding to historical test cases stored in a historical test case set, as well as the evaluation metrics corresponding to the initial test cases. The technical solution of this invention can improve the automation and accuracy of test case generation.

A method and system for automatically generating test scripts is disclosed. A domain specialist agent transforms test requirements into structured manual test cases, a test specification agent converts the structured manual test cases into standardized test specifications, a test data agent generates synthetic test data based the test specifications, an object metadata agent processes user interface element locators, a test automation agent generates executable test scripts. A master control agent receives test requirements and object repository, and analyzes the test requirements using predefined rules to identify test generation operations. An artificial intelligence agent is automatically activated based on the test generation operations. A validation control agent verifies output generated by each artificial intelligence agent and determines if the output meets predefined quality criteria, and returns the output to respective agents for refinement when the criteria are not met.

The application belongs to the technical field of analytical testing and substance component detection, and specifically discloses a novel compound identification method based on atlas analysis of a combined instrument, which comprises the following steps: synchronously aligning the chromatographic retention time, ion drift time, mass-to-charge ratio and ion abundance of a sample to be detected to extract a four-dimensional characteristic peak group; based on an addition rule, gathering ion clusters to confirm a single isotopic mass; calculating a mass offset and matching a conversion reaction dictionary to anchor a candidate metabolite; comparing secondary mass spectrum fragments and mapping to a parent fragmentation path to generate a two-dimensional plane structure; based on this, enumerating isomers, constructing a three-dimensional rigid body molecular model and deducing a theoretical collision cross section area; finally, comparing the actually measured and theoretical collision cross section areas, combining the polarity difference of the retention time mapping to perform orthogonal constraint verification, and outputting the target three-dimensional structure of the metabolite. The application realizes the reliability of compound confirmation in a complex sample.

This invention relates to the field of materials analysis and testing technology, particularly to the field of IPC G01N3 / 08, and more specifically, to a method for testing the fatigue life of static seals under high pressure and low temperature conditions. The method includes the following steps: Step 1: Performing pressure relief tests on the seal under different temperatures and pressures; Step 2: Performing a variable temperature pressure resistance test; Step 3: Replacing the seal and performing a first heating pulse pressure resistance test; Step 4: Performing a cooling pulse pressure resistance test; Step 5: Performing a second heating pulse pressure resistance test; Step 6: Performing a low-temperature pulse pressure resistance test; Step 7: Measuring the low-temperature performance of the seal before and after the experiment; Steps 1 to 6 all include continuous monitoring of pressure relief, simultaneously monitoring the ambient temperature and the actual temperature of the pulsed liquid. If pressure relief occurs at any step during the monitoring period, the test ends, and no further steps are performed. This method can evaluate the fatigue life of seals under low-temperature conditions, thereby meeting the reliability requirements of large-scale equipment.

This utility model relates to the field of analytical testing technology, and discloses a condenser collector, a combustion furnace for total organic carbon (TOC) detection, and a TOC analyzer. The condenser collector is used to condense the combustion products of a combustion tube to separate liquid and gaseous products. It has a liquid outlet channel and a gas outlet channel for the liquid and gaseous products to flow out separately. The condenser collector includes, from top to bottom, an upper seat, a condenser tube, and a base. The upper seat has a gas outlet channel located thereon, and its top is connected to the sample outlet end of the combustion tube. The upper seat has a vertical straight channel connecting to the sample outlet chamber of the combustion tube, and the vertical straight channel also connects to the gas outlet channel. The upper end of the condenser tube is connected to the bottom of the upper seat, defining a condensation chamber that is connected to the vertical straight channel. The liquid outlet channel is located on the base, and its top is connected to the lower end of the condenser tube, connecting to the condensation chamber. The condenser collector provided by this utility model can effectively prevent corrosion of pipelines and instruments during the condensation process of combustion products from high-salt samples.

The application provides a long jump evaluation method and device, electronic equipment and a storage medium, wherein the method comprises: determining a to-be-tested video under a long jump evaluation area and a scale line coordinate; determining a landing frame from each frame in the to-be-tested video; performing foot segmentation on the landing frame based on the coordinates of the foot skeleton points of the personnel in the landing frame to obtain the coordinates of a plurality of foot contour points in the landing frame; and performing long jump result evaluation based on the coordinates of the plurality of foot contour points in the landing frame and the scale line coordinate, thereby overcoming the defect of inaccurate long jump result calculation in the traditional scheme, analyzing the state of the test personnel through human body detection, posture estimation and foot segmentation analysis to determine the landing frame corresponding to the landing frame, and performing result evaluation accordingly, thereby improving the accuracy of long jump result calculation; in addition, the use of computer vision technology and a cycle state machine for long jump evaluation also improves the long jump evaluation efficiency and the teaching efficiency of the physical education class.

This invention belongs to the field of isotope analysis technology, specifically relating to environmental tracing and geochronological studies of the cosmogenic nuclide beryllium-10. It discloses an automated collection device and method for purifying the cosmogenic nuclide beryllium-10. The device constructs an automated chain of online reaction, real-time monitoring, and intelligent diversion, eliminating reliance on manual solution collection experience. The mixed reaction module precisely proportions the eluent, buffer solution, and chromogenic solution, creating a specific instantaneous chromogenic environment for beryllium ions. Combined with an optical detection module, it can capture color signals in real time and convert them into digital signals. The control module drives the fluid switching module at millisecond levels based on preset signal thresholds, accurately separating the target product from the waste liquid. This mechanism can accurately identify the start and end points of the elution peaks of the target element, solving the problem of beryllium-10 loss caused by complex sample matrices or resin aging. Through standardized photoelectric detection, it ensures high recovery rates and purity requirements for ultra-trace beryllium-10 analysis.

1. Name of the product in this design: Graphical User Interface for Blood Sample Analysis Setup in Electronic Equipment. 2. Purpose of this design: An electronic device. 3. The key design feature of this product is its graphical user interface. 4. The picture or photo that best illustrates the key design points: Design 1 front view. 5. The product carrier is a conventional design, and the rear view, left view, right view, top view, and bottom view of each design are omitted. 6. Design 1 is designated as the basic design. 7. Purpose of the graphical user interface: for the management and settings of the blood sample analysis system. 8. Human-computer interaction method of graphical user interface: The main view of Design 1 is the blood sample analysis test interface. Clicking "Settings" in the lower left corner of the interface will take you to the Design 1 change state diagram 1. The settings menu is displayed on the left side of the interface. Clicking "Service" will take you to the Design 1 change state diagram 2 system self-test interface. Clicking "One-click self-test" at the bottom of the interface will take you to the Design 1 change state diagram 3 test interface. Design 2's main view is the blood sample analysis test interface. Clicking "Settings" in the lower left corner of this interface will take you to Design 2's changed state diagram 1, where the settings menu is displayed on the left. Clicking "Services" will take you to Design 2's changed state diagram 2, the system self-test interface. Clicking "Status" at the top of this interface will take you to Design 2's changed state diagram 3, which displays status information. Design 3's main view is the blood sample analysis test interface. Clicking "Settings" in the lower left corner of this interface will take you to Design 3's changed state diagram 1. The settings menu is displayed on the left side of the interface. Clicking "Services" in this interface will take you to Design 3's changed state diagram 2's system self-test interface. Clicking "Logs" at the top of this interface will take you to Design 3's changed state diagram 3's system fault information list.

Techniques for verifying operation of testing mechanisms are discussed herein. For example, a computing device can implement a testing component to test performance of a vehicle controller configured to control operation of a vehicle. The testing component can apply one or more heuristics and / or machine learned models to initiate, perform, and analyze tests that measure whether an instruction update improves performance of the vehicle controller and / or whether the instruction update causes performance of another component to degrade. The testing component can be used to validate the instruction update in a testing environment prior to transmitting the instruction update to a vehicle controller coupled to a vehicle in a real-world environment.

The application relates to the field of analytical test technology and discloses a desorption ionization source for small mass spectrometry in a low-pressure environment, which comprises a low-pressure desorption cavity, a sample tray, a metal capillary, a discontinuous atmospheric pressure interface, a quartz light window, a halogen lamp, a vacuum gauge, an electromagnetic valve, a gas suction pump, a dopant bottle, a VUV lamp and a stepping motor; the application places a sample in a limited-volume low-pressure environment to perform thermal desorption, reduces neutral particles in the thermal desorption cavity, makes the desorption cavity be full of the sample to be measured after the sample is desorbed, improves ion utilization rate, and further improves instrument sensitivity; meanwhile, the application reduces photon absorption of the VUV lamp by oxygen and water, and improves sample ionization efficiency.

The application belongs to the technical field of analytical testing, and relates to a digestion method suitable for ICP-OES analysis of AgCuZn alloy, comprising the following steps: (1) mixing AgCuZn alloy with compounded acid, wherein the compounded acid is compounded by nitric acid solution and hydrofluoric acid solution; (2) performing step-by-step ultrasonic treatment on the mixture obtained in step (1); (3) performing step-by-step heating treatment on the mixture obtained after ultrasonic treatment in step (2) until a clear solution is obtained; and (4) placing the clear solution obtained in step (3) for cooling, diluting and constant volume to obtain a to-be-tested solution suitable for ICP-OES analysis. The digestion method provided by the application realizes the technical targets of efficient dissolution, precise adaptation and stable reliability in view of the chemical characteristics of different metals in AgCuZn alloy and the sample preparation requirements of ICP-OES analysis, and takes into account the collaborative dissolution of multiple elements and the adaptation of multiple forms, and the process parameters are controllable, which is conducive to large-scale popularization and application.

The application discloses a kind of based on data driving's aircraft cable fault diagnosis method and system, comprising the following steps: the test data of aircraft cable is collected, and Savitzky-Golay algorithm is used to generate test data waveform chart;By analyzing test data waveform chart, define waveform feature, utilize second-order difference algorithm to extract waveform feature;The features of healthy waveform and fault waveform are analyzed and compared, and the feature difference of fault occurrence position is recorded into Drools rule engine;Using Drools rule engine technology, input test cable data and healthy cable data, utilize fault diagnosis rule, draw fault conclusion, complete aircraft cable fault diagnosis.The application greatly improves the work efficiency of aircraft cable fault diagnosis, shortens the repair cycle of aircraft cable fault line.

Systems for monitoring metabolites may include a sample collection system and a urinalysis system of or for a toilet. The sample collection system may be automated to collect sample urine from a toilet or toilet area, transport the sample to the urinalysis system, and / or the sample urine for analysis at a later time or after analysis by the urinalysis system. The urinalysis system may be automated by proactively providing test material on which a subject may provide a urine sample. Once the urine sample has been provided the urinalysis system may provide the test material to an analyzer for analysis. Results of the analysis of the test material and sample urine may be provided to a mobile device of the subject and / or a remote server. The urinalysis system may provide a urine sample to a mass spectrometry unit for analysis.

This invention belongs to the field of analytical testing and discloses a laser ionization source tissue sample detection device, including a laser, a light guide arm, a mounting platform, and an ionization cavity. The ionization cavity comprises an ionization chamber and an ion source, forming a hollow chamber. The mounting platform is installed within the hollow chamber of the ionization cavity and has a sample-carrying platform with a clamping device. The laser's emission port is connected to one end of the light guide arm, and the other end of the light guide arm extends above the sample-carrying platform. A lens or optical fiber is installed inside the light guide arm to achieve lossless laser transmission. Utilizing the advantages of the light guide arm and three-dimensional displacement stage, it achieves high-sensitivity, precise operation, efficient ionization, and accurate positioning, enabling the laser to be used at various distances, achieving efficient ionization and high-sensitivity mass spectrometry detection of tissue samples such as biological tissues, animal and plant tissues, and clinical sample slides.

This invention discloses a test method for the corrosion resistance of rotating tubes, belonging to the field of analytical testing technology. The test method is as follows: The rotating tube is at least partially inserted into molten glass and heated and held at that temperature; the rotating tube is then lifted from the surface of the molten glass, and the molten glass adhering to the end of the rotating tube forms a glass droplet. This glass droplet is then broken off from the end of the rotating tube, and the broken glass droplet is used as an analytical sample. The corrosion resistance of the rotating tube is determined based on the inclusions and bubbles in the analytical sample. This invention's test method is simple, low-cost, and highly accurate. It can also pre-screen high-quality rotating tubes with strong corrosion resistance, reducing the number of downtime replacements caused by peeling and bubbles during production, and improving the continuity and yield of glass tube drawing production lines.

A device for determining presence or absence of infection due to an infectious agent is described. The device comprises a sample receiving zone configured to receive a liquid sample from a subject suspected of having an infection due to an infectious agent, the sample receiving zone positioned to distribute the sample along a first fluid flow path to a first label zone and along a second fluid flow path to a second label zone. Test lines in each fluid flow path capture a mobile detectable species as an indicator of presence or absence of the infectious agent. The device also comprises a reference line positioned in the one of the fluid flow paths. The bidirectional fluid flow paths emanate from a common sample zone and provide an efficient approach to detection and differentiate two species as indicators of the same infectious agent or as indicators of two different infectious agents.

This application relates to an irradiation testing system for nuclear power robots. The system includes an irradiation source, at least one irradiation platform, a testing device, and a central control device. The irradiation platform carries the component under test and is positioned close to the irradiation source. The testing device is connected to both the component under test and the central control device via wiring to collect electrical parameters of the component under test during irradiation. The central control device analyzes the radiation resistance of the component under test based on these electrical parameters. A first isolation component is provided between the testing device and the irradiation source. A second isolation component is provided between the central control device and the irradiation source. By collecting the electrical parameters of the component under test in real time during irradiation through the testing device and analyzing them through the central control device, online dynamic monitoring and accurate determination of the radiation resistance of the nuclear power robot are achieved, thereby improving testing accuracy.