Abstract: The MEMS type semiconductor gas detection element of the invention is a MEMS type semiconductor gas detection element 1 having a MEMS structure, for detecting hydrogen gas, comprising: a substrate 2; a gas sensitive portion 3 mainly made of a metal oxide semiconductor and provided to the substrate 2; a heating portion 4 for heating the gas sensitive portion 3; an inactive film 5 having hydrogen-permselective and formed outside the gas sensitive portion 3; a protective film 6 formed outside the inactive film 5, for suppressing deterioration of the gas sensitive portion 3.

Abstract: A tripod includes: a hub defining a set of leg mounts; a set of legs configured to telescopically extend from the hub and couple to the set of leg mounts; a center column including a spherical end; and a head pivotably coupled to the spherical end. The head further includes: a base section; a camera platform arranged over the base section; a set of flanges extending below the base section and extending around the spherical end; a hat arranged over the spherical end; a pivot control ring arranged about the base section, configured to drive the hat into the spherical end to fix the head on the spherical end responsive to rotation in a first direction about the base section, and configured to retract the hat from the spherical end to unlock the head from the spherical end responsive to rotation in a second direction about the base section.

Abstract: A method for predicting the explosion pressure of a medium- and large-size cell module, according to the present invention, comprises the steps of: (S100) deriving a profile (SOC-temperature profile) of the generation temperature according to a state of charge (SOC) of a medium- and large-size cell module to be predicted; (S200) mounting a small cell inside an explosion pressure measurement device; (S300) overcharging the small cell until an explosion occurs while heating the small cell in the same manner as the SOC-temperature profile derived in step (S100); (S400) measuring the pressure during the explosion of the small cell; and (S500) converting the pressure during the explosion of the measured small cell into pressure of a medium- and large-size cell module.

Abstract: A projection screen includes an optical collimating layer and a surface diffusion layer which are arranged in sequence. A grating absorption layer for absorbing ambient light from various directions except a projection light direction is also provided between the optical collimating layer and the surface diffusion layer. The grating absorption layer includes a plurality of light-absorption ring-shaped units with different radii. The plurality of light-absorption ring-shaped units are arranged in a concentric ring. Each of the light-absorption ring-shaped units consists of a plurality of gratings arranged in the circumferential direction of the concentric ring. By taking a vertical symmetrical center line of the projection screen as a center, in a direction extending along the circumferential direction of the concentric ring to the left side and the right side of the projection screen, the distance between two adjacent gratings in the same light-absorption ring-shaped unit gradually increases.

Abstract: An audiometer system including an audiometer device that includes an audiometer digital signal processing (DSP) unit, an audiometer baseband processing unit positioned, and an audiometer light-based transceiver. The system further includes a transducer including a transducer light-based transceiver in optical communication with the audiometer light-based transceiver, a transducer baseband processing unit, a transducer processor unit, and an audio speaker.

Abstract: A transfer line for a GCMS arrangement, the transfer line comprising: a transfer probe having a probe bore to receive a GC column; a sealing cap movably mounted at a first end of the transfer probe; and a resilient element arranged to bias the sealing cap away from the first end of the transfer probe.

Abstract: A holding and moving device includes a support foot, a bearing arm secured pivotably onto the support foot to form a useful load side section and a weight-side section, a first pivot arm connected to the useful load side section of the bearing arm for attachment of a useful load and/or holding device for a useful load, and a second pivot arm connected to the weight-side section of the bearing arm for attachment of a balance weight. The bearing arm and the first and second pivot arms are connected to one another such that the alignment of the first and second pivot arms are essentially parallel to one another in each position. The second pivot arm and/or the weight-side section are designed such that the weight of the first pivot arm and/or of the useful load side section is balanced in each position of the holding and moving device.

Abstract: The present disclosure provides a recreational vehicle camera with a marker light. The recreational vehicle camera with a marker light includes a mounting housing, a lamp body assembly, a camera assembly, and a rear mounting cover. The mounting housing is provided with an accommodating cavity, a first routing hole and a second routing hole. The lamp body assembly is provided with a first cable. The camera assembly is provided with a second cable. The rear mounting cover is provided with a first cable outlet hole. The rear mounting cover is used for being fixedly connected to a recreational vehicle. The rear mounting cover detachably covers the accommodating cavity. The first cable and the second cable are threaded out of the first cable outlet hole and are electrically connected to a circuit in the recreational vehicle.

Abstract: A vibrator device includes a vibrator element, and a support substrate configured to support the vibrator element. The vibrator element includes a drive arm provided with a drive signal electrode and a drive constant-potential electrode, and a detection arm provided with a detection signal electrode and a detection constant-potential electrode. The support substrate includes a base, and a drive signal interconnection electrically coupled to the drive signal electrode, a drive constant-potential interconnection electrically coupled to the drive constant-potential electrode, and a detection signal interconnection electrically coupled to the detection signal electrode all provided to the base, and the drive arm includes a first surface located at the support substrate side, and a second surface located at an opposite side to the first surface. Further, the drive constant-potential electrode is disposed on the first surface, and the drive signal electrode is disposed on the second surface.

Abstract: The present disclosure relates to a measuring transducer of a measurement device for registering a mass flow or a density of a medium The measuring transducer includes a measuring tube, at least one exciter adapted to excite the measuring tube to execute oscillations, and two sensors adapted to register deflection of oscillations of the measuring tube. The exciter and the sensors each have a coil device including a circuit board with a first coefficient of thermal expansion. The coil device of the sensors or exciter are/is secured using a holder apparatus adapted to clamp the circuit board, wherein the circuit board is mechanically contacted by the holder apparatus using at least one holder element, wherein the holder element has a second coefficient of thermal expansion, wherein the first coefficient of thermal expansion and the second coefficient of thermal expansion differ from one another by less than 3*10?6/Kelvin.

Abstract: The invention relates to a method for closed sampling from filling plants comprising the following steps in: filling a sample quantity into a container (1) with a wall (3); applying a reinforcing element (20) to the container (1) with the wall; introducing a fracture point (22) into the wall of the container (1) in the area of the reinforcing element (20); introducing a sampling attachment (30) with hollow tube (40) into the wall of the container (1) in the area of the fracture point (22); filling a sample container (50) connected to the hollow tube (40) once or several times; removing the sample container (50) from the hollow tube (40) and closing the sample container (50); removing the sampling attachment (30) with hollow tube (40) from the container; and sealing the fracture point (22) of the container in the area of the reinforcing element (20). The subject matter of the invention is also a sampling device, in particular for carrying out the method.

Abstract: A ceramic member unit includes at least insertion members and a ceramic member having insertion sections into which the insertion members are inserted respectively. Each of the insertion sections has at least an insertion opening which opens on a deeper side of an introduction opening in the surface of the ceramic member while communicating with the introduction opening and into which the insertion member can be inserted. The insertion section further has taper hole portions becoming narrower toward the insertion opening in a communication region between the introduction opening and the insertion opening. The taper hole portions are connected to the insertion opening while increasing in a taper angle toward the insertion opening.

Abstract: A projection screen and a projection system using the projection screen. The projection screen includes a microstructure layer and a light absorbing layer sequentially stacked from the side where a projected light is introduced. The microstructure layer includes multiple microstructure units. Each microstructure unit includes one reflective surface and one lens surface opposite the reflective surface; moreover, the reflective surface is provided at a position matching the focus of the lens surface. The projection screen and the projection system can resist ambient light and have a high gain and a high contrast.

Abstract: Provided is an optical coating for a projection screen, containing the following components in parts by weight: 2-15 parts of light-absorbing material, 5-20 parts of aluminum silver powder, 20-60 parts of acrylate oligomer, 10-45 parts of diluent, 0.5-15 parts of photoinitiator, and 0.1-6 parts of auxiliary agent; the light-absorbing material is one or more of carbon black, lamp black, iron black, and aniline black, and has an average particle size of 20-2000 nm; the aluminum silver powder is flake-shaped and has an average particle size of 3-10 ?m.

Abstract: This disclosure relates to verifying the operation of cell analyzers, including microscope-based cell imaging and counting analyzers. In one general aspect, a mixture of micro-beads having known characteristics is introduced into the analyzer. One or more images of the mixture are acquired with the analyzer's microscope, the images are analyzed, and a determination is made about whether results meet one or more predetermined quality control thresholds. Also disclosed is a hematology control material that can be used to perform the verification and includes a solvent, a dye dissolved in the solvent, and micro-beads suspended in the solvent. In another general aspect, a quality control method for the analyzers includes capturing images of samples that include patient cells using at least a microscope, extracting sample-specific information about properties of the patient samples from the images, and testing information from the samples against predetermined standards to verify the operation of the analyzer.

Abstract: A sampling system is disclosed which comprises a collection chamber equipped with an inlet and first and second outlets; a pump which creates a flow of fluid into said inlet from the ambient environment, wherein said collection chamber divides the flow of fluid into a first major flow of fluid along which flows along a first flow path between said inlet and said first outlet, and a second minor flow of fluid which flows along a second flow path between said inlet and said second outlet; a collection surface disposed within said collection chamber and within the second flow path such that particles in the flow of fluid into said inlet impinge on said collection surface; a heater which vaporizes particles that collect on said collection surface; and an analyzer which analyzes the composition of the fluidic flow through said second outlet.

Abstract: A screen splicing structure is provided. The screen splicing structure includes a substrate layer, a middle adhesive layer, and a surface layer. The substrate layer includes a first substrate and a second substrate. The second substrate is spliced with the first substrate, and a seam is formed at a splicing place. The surface layer and the middle adhesive layer are stacked. The surface layer covers the seam by bonding the middle adhesive layer and the substrate layer. The peeling strength of the surface layer and the substrate layer is greater than or equal to 1,000 gf/inch. A method for forming the screen splicing structure is also provided.

Abstract: A total reflection screen comprises a light diffusion layer, a total reflection layer and a light absorption layer arranged sequentially from an incidence side of the projected light. The light absorption layer can absorb an incident light. The light diffusion layer is used for increasing a divergence angle of emergent light. The total reflection layer comprises a plurality of microstructure units that is rotationally symmetrical and extends continuously in a plane of the total reflection screen. Each of the microstructure units comprises a first material layer disposed at the side of the light diffusion layer and a second material layer disposed at the side of the light absorption layer. The interface between the first material layer and the second material layer is comprised of two intersecting planes, which are disposed in such a way that the projected light is subjected to total reflection continuously at the two intersecting planes.

Abstract: According to one embodiment of the present disclosure, there is provided a failure diagnosis device used for diagnosing the presence of failure or abnormal operation of a wheel bearing. The failure diagnosis device according to one embodiment of the present disclosure may comprise a housing; a magnetic coupling part provided in the housing; and a sensing part provided in the housing and configured to detect physical characteristic related to an operational state of a vehicle. According to one embodiment of the present disclosure, the sensing part may comprise an acceleration sensor configured to collect acceleration information, and the failure diagnosis device may be configured to be detachably mounted to one side of a wheel by virtue of a magnetic force generated by the magnetic coupling part.

Abstract: Described herein are apparatuses and methods for selectively controlling the application of a fluid to a sensor enclosure such as a camera housing to protect the housing from overheating. An apparatus that includes a protective shield and a conduit such as tubing for supplying a fluid is described. The protective shield is provided so as to protect an exterior surface of the camera housing from heat caused by sun exposure. The tubing includes an inlet for supplying a fluid such as water or air, can extend through or around an exterior of the camera housing, and includes an outlet with one or more nozzles for ejecting the fluid into a space between the protective shield and the camera housing. Sensor data is received from various vehicle sensors to assess the temperature of the housing, the velocity of the vehicle, and so forth to determine when the fluid should be supplied.