Abstract: Provided are a method for testing a secondary battery, which include applying laser to the secondary battery after a manufacturing process is completed to generate an ultrasonic signal, detecting the ultrasonic signal, converting the detected ultrasonic signal to generate a digital signal, and processing and analyzing the digital signal, and a method for manufacturing the secondary battery.

Abstract: The present disclosure concerns a micromechanical device and a method for manufacturing the same. The micromechanical device may comprise a membrane structure suspended on a substrate. The membrane structure may comprise a perforated gas permeable membrane comprising a plurality of perforations, and a reinforcement structure being coupled with the perforated membrane for stiffening the perforated membrane and/or for increasing the mechanical stability of the perforated membrane in order to attenuate an oscillation of the perforated membrane.

Abstract: In a measuring arrangement for determining properties of a material to be extruded while an extrusion process is being carried out in an extruder, at least one extruder screw is rotatably mounted in a tubular guide in a barrel and is connected to a rotary drive. Material to be extruded is fed to the tubular guide at one end and is removed as finish-extruded material at an oppositely arranged discharge. Arranged at measuring positions at predeterminable defined intervals on the wall of the tubular guide along the longitudinal axis of the extruder screw are multiple first sound transducers, which are designed for the detection of sound waves that are generated during the extrusion process by the extrusion process as process noises and/or are emitted by a second sound transducer, arranged at one end of the tubular guide, in the direction of the longitudinal axis of the extruder screw and into the material to be extruded that is conveyed through a mixing chamber present in the tubular guide.

Abstract: Provided is an indoor test device for simulating a vibration pile sinking process and testing a bearing capacity thereof and a test method thereof. The indoor test device comprises a container, a soil located in the container, a vibration penetration system and a balanced vibration damping system, the vibration penetration system is vertically arranged above the soil in the container, and the balanced vibration damping system is located right above the vibration penetration system and coaxially arranged with the vibration penetration system. The indoor test device and the test method apply to researching on the vibration pile sinking process and testing the bearing capacity thereof in different types of soil, and adapts to different frequencies and different exciting forces.

Abstract: A chain wear system for monitoring an amount of wear of a chain operating on a plurality of sprockets may include a chain monitoring device configured for determining a length of the chain passing by a point in an amount of time, a sprocket monitoring device configured for determining the amount of sprocket rotation of at least one of the plurality of sprockets in the amount of time, and a processing system in signal communication with the chain monitoring device and the sprocket monitoring device. The processing system may be configured for calculating the amount of wear based on the length of the chain and the amount of sprocket rotation.

Abstract: A system for inspecting a structure includes a laser ultrasound device configured to direct laser light onto a surface of the structure that generates ultrasonic waves within the structure and to generate an array of ultrasound data representative of the ultrasonic waves. The system includes a robotic arm configured to move the laser light across the surface. The system includes a multiplex controller configured to trigger generation of the ultrasonic waves within the structure at an inspection location and to receive the array of ultrasound data for the inspection location. The system includes a computer system that includes a motion-control module configured to control movement of the laser light relative to the surface of the structure, a motion-tracking module configured determine when the laser light is at the inspection location, and an inspection module configured to process the array of ultrasound data to inspect the structure at the inspection location.

Abstract: The invention discloses methods for simultaneously measuring various properties of a fluid using a waveguide. The method includes transmitting a plurality of wave modes into the fluid using an ultrasonic shear wave transducer from one end of a waveguide. Further, the wave modes are reflected from the other end of the waveguide. The reflected wave modes are processed simultaneously. The time of flight and the amplitude of the received wave modes are determined. Further, one or more properties of the fluid are measured using determined time of flight and amplitude of the received wave modes. The disclosed method is used to accurately measure the properties of fluid such as level, density, viscosity or flow rate in a short period of time.

Abstract: The present invention relates to an injection valve for an analysis apparatus comprising an analysis column, the injection valve comprising a rotative body compressed against a base by a compressive element, the rotative body comprising a lower surface in contact with the base and at least one recess on the lower surface configured to receive a fluid sample, wherein the base comprises a vaporization chamber which comprises an injection conduit having an upper end and a lower end, the vaporization chamber further comprising a carrier phase inlet in fluid communication with the injection conduit, wherein the injection conduit is configured for being in fluid communication with the analysis column of the analysis apparatus via the lower end when the injection valve is mounted on the analysis apparatus, and wherein, in an injection configuration of the rotative body, the recess is in fluid communication only with the injection conduit, via the upper end thereof.

Abstract: An automatically-cleanable thickening performance evaluation instrument for drilling LCMs includes a cleaning device, a kettle body, a thickening motor, a heating component, a test ending component, a top cover, and a bottom cover, where upper and lower ends of the kettle body are both opened; the kettle body is arranged in a third bearing inner race, a third bearing outer race is connected to a first limb, and the first limb is configured to limit a position of the kettle body; and the kettle body is detachably connected to the thickening motor and driven by the thickening motor to rotate. The instrument can realize electric heating and air pressurization to simulate the underground environment, and the kettle body can be completely sealed, such that a measured thickening time is close to an actual thickening time. Moreover, the instrument can be automatically cleaned at the end of a test.

Abstract: A noise measuring device is provided. The noise measuring device includes a soundproof box, a sound receiving device, a holding device, and a driving device. The sound receiving device is disposed in the soundproof box. The holding device is disposed in the soundproof box and configured to hold a testing object. The driving device is connected with the soundproof box and configure to drive the soundproof box to rotate.

Abstract: A system includes a sensor comprising a sensor bonding layer disposed on a surface of the sensor, wherein the sensor bonding layer is a metallic alloy. An inlay includes a planar outer surface, wherein the inlay may be disposed on a curved surface of a structure. A structure bonding layer may be disposed on the planar outer surface of the inlay, wherein the structure bonding layer is a metallic alloy. The sensor bonding layer is coupled to the structure bonding layer via a metallic joint, and the sensor is configured to sense data of the structure through the metallic joint, the structure bonding layer, and the sensor bonding layer. The inlay comprises at least one of a modulus of elasticity, a shape, a thickness, and a size configured to reduce strain transmitted to the sensor.

Abstract: A monitoring device of liquid pipeline includes a fixture detachably fixed to an outer surface of a pipeline, a first ultrasonic probe disposed in the fixture, a processing module having stored a minimum signal threshold, and a display unit connecting to the processing module. The processing module controls the first ultrasonic probe transmitting a first sensing signal and receiving a first reflection signal corresponding to the first sensing signal along a radial direction of the pipeline, and analyzes signal of first period and second period signal from the first reflection signal. If the processing module determines that the signal of first period signal is greater than and the signal of second period signal less than the minimum signal threshold, the processing module generates a warning signal that represents abnormality of the first ultrasonic probe or liquid in the pipeline. The display unit displays the warning signal.

Abstract: A transducer includes a conductive sheet installed on a sheath of a cable, an insulative sheet installed on the conductive sheet, holes being formed in predetermined positions of the insulative sheet, and a conductive sheet installed on the insulative sheet, holes being formed in predetermined positions of the conductive sheet. The transducer has structure in which, when the cable is tightened by the screw from the top of the conductive sheet and fixed, the distal end of the screw comes into contact with the conductive sheet passing through the holes formed in the insulative sheet and the conductive sheet, and the conductive sheet and the conductive sheet are electrically connected.

Abstract: An apparatus for the thermal treatment of samples within sample containers comprises: a sample block a receiving region for the sample containers; a first temperature-control device thermally coupled to the sample block designed to set a temperature of the sample block; a cover plate arranged in the receiving region of the sample block; a second temperature-control device thermally coupled to the cover plate and designed to set a temperature of the cover plate; and a control unit connected to the first and the second temperature-control devices and designed to control the first and the second temperature-control device as to control the temperature of the sample block and the temperature of the cover plate such that the temperatures are coordinated with one another. A method for the thermal treatment of samples contained in sample containers is also disclosed.

Abstract: The invention discloses a digital slide scanner sample identification device, and relates to the digital slide scanner for solving the problem that a bar code scanner can normally read a bar code label through the light contact, and the samples cannot be read due to the shielding of the bar code since the samples are stored in the digital slide scanner or scanning samples are stacked. The device comprises a digital slide scanner, and scanning samples; a near-field communication NFC read-write module is arranged in the digital slide scanner, and a NFC label is arranged on each scanning sample. By using the NFC technology, the NFC label data in a large amount of scanning samples can be read within short time, a feedback indication can be provided, and the working efficiency is greatly improved. The invention further discloses a digital slide scanner sample identification method.

Abstract: The invention includes sample preparation cartridges and apparatuses. The invention provides means for lysing and optionally selectively capturing at least one compound in a sample to purify, concentrate, and/or select for the at least one compound. The invention can be used in conjunction with a sample processing instrument to create a fully-automated or near-fully-automated sample workflow.

Abstract: A pin point corer for collecting samples from a seabed of a sea, having a control unit to be positioned on a vessel or similar remote position, a top lift unit, which can be attached to a lifting and lowering unit of a vessel via an cable, such that it can be lifted and lowered relative to the seabed, a corer unit, releasable attached to the top lift unit by a fixation unit and arranged for being at least partly driven into layers of the seabed to collect the samples from there, e.g. when released from the top lift unit, wherein the top lift unit comprises a positioning unit bi-directionally communicating with the control unit for controlling the position of the corer unit. The invention also relates to a respective system and a method for collecting samples by use of such a pin point corer.

Abstract: Disclosed is a system for monitoring a boss of a composite structure for a boss cracking event. The system includes a first sensor located on an outer surface of a neck of the boss and configured to detect first deformation data associated with the boss. The system also includes a second sensor located on the outer surface of the neck of the boss at a location diametrically opposite of the first sensor and configured to detect second deformation data associated with the boss. The system also includes a controller communicatively coupled to the first sensor and the second sensor and configured to determine, based on the first deformation data and the second deformation data, whether a boss cracking event has occurred.

Abstract: A method is disclosed. In one example, the method includes bonding a first panel of a first material to a base panel in a first gas atmosphere, wherein multiple hermetically sealed first cavities encapsulating gas of the first gas atmosphere are formed between the first panel and the base panel. The method further includes bonding a second panel of a second material to at least one of the base panel and the first panel, wherein multiple second cavities are formed between the second panel and the at least one of the base panel and the first panel.

Abstract: A system for ultra-high temperature in-situ fretting fatigue experiment, includes a heat preservation cover defining a, a heating device arranged in the mounting space, a first test sample, a second test sample, and a clamping device arranged in the mounting space. The first test sample and the second test sample are arranged at an upper end of the heating device along a horizontal direction. A mortise is formed at an end of the first test sample facing towards the second test sample. A tenon mating with the mortise is formed at an end of the second test sample facing towards the first test sample. The clamping device is configured to be clamped at two ends of the mated first test sample and second test sample and to apply a periodically reciprocating loading along a length direction of the first test sample and the second test sample.