Abstract: An elemental analysis device includes a heating furnace in which a test sample that is placed in a crucible is heated so that a sample gas is generated from the test sample, an inflow path through which a carrier gas is introduced into the heating furnace, an outflow path through which a mixture gas made up of the carrier gas and the sample gas is led out from the heating furnace, a dust filter that is provided on the outflow path, an analysis mechanism that is provided on the outflow path on a downstream side from the dust filter, and that detects one or a plurality of predetermined components contained in the mixture gas, and a cleaning gas supply mechanism that supplies cleaning gas to the dust filter in an opposite direction from a direction in which the mixture gas is flowing.

Abstract: An elemental analysis device includes a first electrode and a second electrode between which a crucible MP containing a sample is nipped, and that heats the sample. The second electrode includes a second electrode main body that has a tip end having a substantially cylindrical shape, a second electrode tip, a cap that nips the second electrode tip between the cap and the second electrode main body such that a part of the second electrode tip is exposed to an outside, and a second screwing structure that includes a male thread and a female thread provided between the second electrode main body and the cap, and the second screwing structure further includes a purge groove that extends in a pitch direction and that is provided as a cutout provided to a part of crests of a thread of at least one of the male thread and the female thread.

Abstract: A particle size distribution measuring apparatus includes a light source that emits measurement light to a sample accommodated in a cell including a pair of light transmission plates separated from each other, one or a plurality of detectors that detects the measurement light scattered in the sample, and a particle size distribution calculator that calculates a particle size distribution of a particle group included in the sample based on output signals of the detectors. The particle size distribution measuring apparatus further includes a force applying mechanism that moves at least one of the light transmission plates to apply pressure or a shearing force to the sample in the cell, in which the particle size distribution calculator is configured to calculate the particle size distribution at the time when the pressure or the shearing force applied to the sample has changed from a first state to a second state.

Abstract: A gas analysis device includes a sample cell into which sample gas is introduced, a light source that irradiates the sample cell with light, a photodetector that detects light intensity of light which passes through the sample cell irradiated by the light source, a concentration calculation unit which calculates a concentration of a measurement target component contained in the sample gas based on light intensity outputted from the photodetector, and a light intensity output unit that outputs, comparably with a reference light intensity set in advance, a light intensity at calibration detected by the photodetector during calibration.

Abstract: To appropriately take explosion-proof measures for an analysis device while suppressing consumption of a purge gas, an analysis device includes a filling unit, an irradiation unit, a propagation unit, a housing, a purge gas introduction unit, and an explosion-proof gas introduction unit. The filling unit is filled with a sample gas containing a gas to be measured. The irradiation unit emits measurement light to be used for analyzing the gas to be measured. The propagation unit is disposed between the filling unit and the irradiation unit, so as to form a propagation space for propagating the measurement light emitted from the irradiation unit to the filling unit. The housing houses the filling unit, the irradiation unit, and the propagation unit. The purge gas introduction unit introduces the purge gas into the propagation space. The explosion-proof gas introduction unit introduces an explosion-proof gas into the internal space of the housing.

Abstract: The radiation detection element comprising a semiconductor part having a plate shape, a first electrode that is disposed on a first surface being one surface of the semiconductor part and that collects charges generated by incidence of radiation in the semiconductor part, a second electrode that is disposed on a second surface being the other surface of the semiconductor part and that is applied with voltage needed for collecting the charges, and a heavily-doped layer that is disposed at a region of the second surface excluding an edge of the semiconductor part and is doped heavier than the semiconductor part with dopants for making a type of a semiconductor equal to that of the semiconductor part. The heavily-doped layer is on the second surface located at a position overlapped with the second electrode and is thicker than the second electrode.

Abstract: A machine learning device used in an exhaust gas analysis device that irradiates combustion exhaust gas with light, performs a detection of light transmitted through the combustion exhaust gas, and analyzes the combustion exhaust gas based on a detection signal includes a training data reception unit that receives training data including a reference value of a specific component concentration and at least one of spectrum data obtained by irradiating the combustion exhaust gas with light or an individual component concentration selected based on an element balance formula for determining the specific component concentration, or an arithmetic value of a specific component concentration calculated using the individual component concentration in the element balance formula, and a machine learning unit that performs machine learning on a relationship between the reference value and at least one of the spectrum data, the individual component concentration, or the arithmetic value using the training data.

Abstract: The present invention measures with high accuracy a concentration of a measurement target component contained in a combustion gas, in which a concentration of nitric oxide is calculated based on absorption by the nitric oxide, a concentration of nitrogen dioxide is calculated based on absorption by the nitrogen dioxide, a concentration of nitrous oxide is calculated based on absorption by the nitrous oxide, a concentration of ammonia is calculated based on absorption by the ammonia, a concentration of ethane is calculated based on absorption by the ethane, a concentration of formaldehyde or acetaldehyde is calculated based on absorption by the formaldehyde or the acetaldehyde, a concentration of sulfur dioxide is calculated based on absorption by the sulfur dioxide, a concentration of methane is calculated based on absorption by the methane, and a concentration of methanol or ethanol is calculated based on absorption by the methanol or the ethanol.

Abstract: An ion analysis device includes a sampling unit configured to sample condensate of exhaust gas flowing through an exhaust gas line in a fuel cell; and a sensor unit configured to measure an ion concentration of the condensate, in which the sampling unit is configured to sample the condensate of the exhaust gas from a first reservoir that is provided to the exhaust gas line and where the condensate of the exhaust gas is collected, or to sample the exhaust gas from the exhaust gas line and to collect condensate of the sampled exhaust gas in a second reservoir.

Abstract: In order to secure measurement reproducibility and a measurement accuracy by making it possible to automatically execute a bubble removal sequence as needed, the particle size distribution measurement device comprises a circulation flow channel through which the dispersion medium circulates, a flow cell arranged in the circulation flow channel, an imaging device that takes a particle image as being an image of a particle in the flow cell, and a bubble removal execution part that obtains bubble information which is obtained based on the particle image and which is about a bubble in the dispersion medium and that executes a bubble removal sequence to remove the bubble from the dispersion medium circulating in the circulation flow channel in case that the bubble information meets a predetermined condition.

Abstract: An exhaust gas sampling device that collects an exhaust gas emitted from a vehicle including an engine or a part of the vehicle into a sampling bag includes a main channel through which the exhaust gas flows, a main valve that opens and shuts the main channel, a dilution gas channel that is connected downstream from the main valve in the main channel and introduces a dilution gas into the main channel, a purge gas channel that branches from the dilution gas channel and has a downstream end connected downstream from the main valve in the main channel and upstream from a junction of the dilution gas channel and a purge pump that is disposed in the purge gas channel, sucks a part of the dilution gas flowing through the dilution gas channel, and delivers the sucked part as a purge gas to the main channel.

Abstract: The present claimed invention shortens cleaning time of a container of a sample dispersing device and reduces variation of a cleaning state. The present claimed invention is a sample dispersing device 100 that disperses a powder sample (W) on an upper surface of an analytical member 10 and that comprises a container 2 that has a placing surface 2x on which the analytical member 10 is placed, an introducing mechanism 3 that introduces the powder sample (W) into inside of the container 2, and a covering member 4 that covers an inner surface of the container 2 and that can be attached to and removed from the container 2.

Abstract: A test system that conducts a test of a test subject that is a vehicle or a part thereof that includes an electronic control device, comprises a drive test device for conducting a drive test of the test subject, an automatic driving robot that drives the test subject, and a signal control unit that is connected to the test subject by wire or wirelessly and that transmits, to the electronic control device, a test signal for evaluating the electronic control device.

Abstract: In an analysis device that irradiates light from three or more light sources onto a cell, embodiments proposed herein prevent a reduction in the intensity of light from each light source, and are provided with at least a first light source, a second light source, and a third light source, and an optical system that guides light from the respective light sources onto a cell. The optical system is provided with a second light source optical element that reflects the light from the first light source and transmits the light from the second light source, and a third light source optical element that reflects the light from the first light source that has been reflected by the second light source optical element and the light from the second light source that has been transmitted through the second light source optical element, and transmits the light from the third light source.

Abstract: A sample analyzing apparatus analyzes a component to be measured securely while reducing a frequency of maintenance of the sample analyzing apparatus. The sample analyzing apparatus includes a heating furnace that heats a sample held by a sample holding body and a gas analysis section that analyzes a component to be measured contained in a gas generated by heating the sample, and the gas analysis section includes a laser light source that irradiates the gas with a laser light, and a photodetector that detects an intensity of a sample light as being the laser light that has transmitted through the gas.

Abstract: In relation to application of artificial intelligence to image analysis of particles, to make it possible to provide data for machine learning corresponding to user demands while making it possible to reduce, as much as possible, man-hours taken to, for example, prepare vast amounts of actual image data obtained by actually capturing images of particles, the present invention generates virtual particle image data, which is image data of a virtual particle, on the basis of a predetermined condition, generates label data corresponding to the virtual particle, and associates the virtual particle image data with the label data.

Abstract: The present invention is to inexpensively configure a bench test device with a steering function for testing a vehicle. A bench test device for testing a test piece, which is a vehicle or a part thereof, includes a rotating body on which a wheel which is a steering wheel of the test piece is placed, a support bench which rotatably supports the rotating body along with rotation of the wheel, and a movement mechanism that moves the support bench on an installation surface using a rotational force of the wheel.

Abstract: The present invention is a test object testing device that reproduces real driving in a real world with high accuracy using a bench test device and tests a test object that is a vehicle or a part of the vehicle, the test object testing device including a dynamometer that applies a load to the test object, a travel route setting unit that sets a travel route using a map, a road information acquisition unit that acquires road information of the travel route from a map, a travel resistance calculation unit that calculates a travel resistance of the test object on the basis of the road information, and a dynamometer control unit that controls the dynamometer on the basis of the travel resistance.

Abstract: A radiation detector includes a radiation detection element, a circuit element, and a housing accommodating the radiation detection element and the circuit element, in which a closed space is provided. The housing has an unblocked opening portion, the closed space is disposed inside the housing, the circuit element is disposed in the closed space, and the closed space is decompressed or filled with an inert gas or a dry gas.

Abstract: A signal processing method counting step waves in response to detection of radiation or pulse waves obtained by converting the step waves by wave height, comprising: inputting signal value sequence in response to the detection of the radiation to a learning model outputting, when time-series signal value sequence is input, information related to presence or absence of the step wave or the pulse wave in a signal configured with the signal value sequence or information related to a wave height of the step wave or the pulse wave in the signal; and counting the step wave or the pulse wave by wave height according to the information output by the learning model.