Abstract: The present invention provides a terrace detection device and a use method of the terrace detection device. The terrace detection device comprises a target vehicle, a measuring vehicle and a controller, wherein the target vehicle comprises a first mobile vehicle and a target, and the target is mounted on the first mobile vehicle; the measuring vehicle comprises a second mobile vehicle and a measuring head, and the measuring head is mounted on the second mobile vehicle; and The controller is electrically connected with the measuring vehicle and the target vehicle, respectively, and is used for controlling the first mobile vehicle and the second mobile vehicle to move from a first established measuring range to a second established measuring range. Therefore, the to-be-measured terrace is estimated integrally, so that the accuracy of the acquired terrace data is improved.

Abstract: A method for operating a gas sensor device, which is equipped with at least one gas-sensitive electrical sensor resistor, a heating element for the controlled heating of the sensor resistor, a detection element for detecting the resistance value of the sensor resistor, and a signal processing element for processing measuring signals. In the method, measurements are carried out in time intervals, in which the resistance value of the sensor resistor is detected as a measuring signal, and the sensor resistor is heated for each measurement, the heating element being operated discontinuously in heating intervals and each measurement being assigned a heating interval. Measurements are automatically carried out in predefinable time intervals, and additional measurements are initiatable at arbitrary times. The duration of the heating intervals assigned to the individual measurements being selected as a function of the time interval to the preceding heating interval.

Abstract: The present disclosure relates to a coupling member (20) for a flow metering device, the coupling member (20) being configured for acoustically coupling an ultrasonic transducer (26) to a fluid conduit (90), wherein the coupling member comprises a first face (22) adapted to be connected to an ultrasonic transducer (26) and a second face (24) adapted to be connected to a fluid conduit. At least one sidewall (30) connects the first and second faces (22, 24), wherein the at least one sidewall (30) comprises a recess (40) extending from the second face (24).

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: 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 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 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 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: 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.