The present disclosure relates to menstrual fluid simulant compositions that mimic the properties of real menstrual fluid, where the menstrual fluid simulant compositions comprise vesicle dispersions of quaternary ammonium compounds and linear polymers. The present disclosure also relates to related methods and uses.

A method for predicting the electrical functionality of a semiconductor package, the method includes performing a first stiffness test for a first semiconductor package, receiving failure data for the first semiconductor package, the failure data includes results of an electrical test performed after the first semiconductor package is assembled on a printed circuit board, generating a database comprising results of the first stiffness test as a function of the failure data for the first semiconductor package, performing a second stiffness test for a second semiconductor package, identifying a unique result from the results of the first stiffness test in the database, the unique result aligns with a result of the second stiffness test, and predicting a failure data for the second semiconductor package based on the failure data for the first semiconductor package which corresponds to the unique result of the first stiffness test identified in the database.

A system for detecting gas leakage within a battery pack includes a battery pack, a controller, and a detector. The battery pack comprises a plurality of cells which may be subject to a gas leakage. The detector is configured to sense a concentration value of one or more gases. The detector is further configured to generate a return signal indicative of no alarm, a first alarm level, or a second alarm level. The detector is electrically connected to the controller and is configured to transmit the return signal to the controller. The controller is configured to output a first alarm level or a second alarm level in response to the return signal. Emergency response procedures may be implemented based on the level of gas leakage within the battery pack indicated.

A system for detecting gas leakage within a battery pack includes a battery pack, a controller, and a detector. The battery pack comprises a plurality of cells which may be subject to a gas leakage. The detector is remotely mounted from the battery pack and is connected to the battery pack via airtight tubing. A fan conducts air from the battery pack to the detector. The detector is configured to read a concentration value of one or more gases. The detector is electrically connected to the controller and is configured to a return signal indicative of no alarm, a first alarm level, or a second alarm level to the controller. The controller is configured to output no alarm, a first alarm level or a second alarm level in response to the return signal. Emergency response procedures are implemented based on the level of gas leakage within the battery pack.

Provided are methods of evaluating deodorizing ability of a superabsorbent polymer and a product including the same. According to the methods of evaluating deodorizing ability of the present invention, deodorizing ability of the superabsorbent polymer and the product including the same may be evaluated by measuring changes in the concentration of ammonia naturally generated in a wet state which is made close to the actual use environment. Accordingly, the deodorizing ability of the superabsorbent polymer and the product including the same may be evaluated more accurately and efficiently.

A quality control apparatus includes: a test value acquisition unit that acquires test values of respective components that constitute a product; an assembling management information acquisition unit that acquires assembling management information that is information concerning assembling of the product and the components; a step-related information acquisition unit that acquires step-related information that is information related to a production step; and a display that displays a configuration diagram of the product that is hierarchically constituted by the components and shows a combination of elements that are assumed to be likely to have caused a quality defect of the product on the configuration diagram on a basis of the test values, the assembling management information, and the step-related information.

A method for bending test of a flexible screen is disclosed, including: connecting the flexible screen to a mounting device; conducting a mechanical extrusion test to the flexible screen to bend the flexible screen, in which an extrusion point for the mechanical extrusion test is away from connection points between the flexible screen and the mounting device; and conducting a bending performance detection to the flexible screen. And a system for bending test of a flexible screen is also disclosed. The bending performance of the flexible screen can be tested by simulating an environment for the flexible screen in the mechanical extrusion test, and compared with the traditional methods and apparatuses for bending test of a flexible screen, the method and system for bending test of a flexible screen according to the present disclosure are convenience for operation and low cost in testing.

A fluorescent liquid penetrant is provided which includes a liquid medium having a plurality of fluorophores disposed therein. Upon excitation with a suitable light source, the penetrant exhibits a quantum yield greater than 40% (or in some embodiments, greater than 90%). In some embodiments, the fluorophore is a low-toxicity quantum dot. In some embodiments, the fluorophore has significantly reduced self-absorption, which allows for surface discontinuity depth measurement. Also disclosed are apparatuses for using these fluorescent liquid penetrants for non-destructive testing purposes. In some embodiments, these tests include measuring the depth of a discontinuity by analyzing photoluminescence intensity and/or photoluminescence peak position shift.

System and method that includes: projecting a dynamic lighting pattern from a controlled lighting device towards a manufactured object; capturing a light response of the object, over an inspection period, to the dynamic lighting pattern and generating a set of image frames representing the captured lighting response; processing the set of image frames to generate an intensity image that is based on intensity information across a plurality of the image frames; assigning a quality label based on the generated intensity image.

The present disclosure relates to a bipolar plate for an electrochemical system, comprising two separator plates which are connected to one another, at least one of the separator plates having a plate body and at least one tab which is formed in one piece with the plate body and can be separated from the plate body via a predetermined breaking point. The disclosure additionally relates to a retention sample for a bipolar plate or flow plate, to a flow plate, to a system, and to a method for producing and testing a bipolar plate or flow plate.