Abstract: An ultrasonic welding diagnostic method includes: applying a pressing force to an object to be joined so as to generate a surface pressure on a joint surface of the object to be joined; inputting ultrasonic waves to the joint surface; detecting an elastic wave propagating through the object to be joined by at least one sensor at a plurality of different positions; analyzing a signal detected by the sensor to generate an envelope of the signal and calculating information about the envelope; and determining a joint state on the joint surface based on the calculation result of the information.

Abstract: According to one embodiment, a structure evaluation system of an embodiment includes a plurality of sensors, a position locator, a distribution generator, and an evaluator. The plurality of sensors detect elastic waves generated inside a structure. The position locator locates positions of one or more elastic wave generation sources on the basis of a plurality of elastic waves detected by each of the plurality of sensors. The distribution generator generates an elastic wave source density distribution representing a density distribution of the one or more elastic wave generation sources on the basis of a position location result of the one or more elastic wave generation sources obtained by the position locator. The evaluator evaluates damage to the structure on the basis of one or more reference distributions generated on the basis of a simulation including a random number and the elastic wave source density distribution generated by the distribution generator.

Abstract: Convenience is improved in a communication system that uses dynamic frequency sharing. A communication unit performs communication with a first base station of which a grant is registered in a list of grants for which radio wave transmission needs to be stopped in a case where a wireless communication device exists in a predetermined area and a second base station of which a grant is not registered in the list. When information regarding the existence of the wireless communication device in the predetermined area is acquired, the control unit determines whether or not to change a frequency channel of the second base station from a first frequency channel to a second frequency channel.

Abstract: According to an embodiment, an optical apparatus includes an illumination unit, a light-receiving unit and a processing unit. The illumination unit can illuminate an object with a plurality of pattern rays including rays with different wavelengths simultaneously. The light-receiving unit includes a pixel that can receive the rays from the object to disperse at least two of the different wavelengths included in the pattern rays. The processing unit acquires information on the object based on a result of the pixel of the light-receiving unit receiving the pattern rays with which the illumination unit illuminates the object simultaneously.

Abstract: An adhesion/peeling method according to an embodiment includes adhering a first surface side of an electrically peelable adhesive sheet to a predetermined position of a fixation target object, wherein the electrically peelable adhesive sheet is formed of an electro-peeling adhesive having adhesiveness on the first surface side and a second surface side thereof, and the adhesiveness of the electro-peeling adhesive is lowered due to an input of a voltage; adhering a first electrode of an adherend including the first electrode formed of a conductor to the second surface side of the electrically peelable adhesive sheet; containing a liquid at the predetermined position of the fixation target object to temporarily form a second electrode with conductivity on a surface of the fixation target object; and inputting a predetermined voltage between the first electrode and the second electrode to peel of the electrically peelable adhesive sheet from the fixation target object.

Abstract: According to one embodiment, a structure evaluation system includes at least three or more sensors, a position locator, and an evaluator. The three or more sensors are arranged on surfaces different from a surface to which an impact is applied with respect to a structure at different intervals in a first direction of the structure and a second direction orthogonal to the first direction and detects elastic waves generated from the structure. The position locator locates a position of a source in which the elastic waves are generated on the basis of the elastic waves detected by each of the three or more sensors. The evaluator evaluates a deterioration state of the structure on the basis of information based on a position location process of the position locator and information indicating a position where the impact is applied.

Abstract: A photoelectric conversion apparatus includes photoelectric conversion elements that each include a photoelectric conversion unit disposed on a side of a first surface of a semiconductor layer, and in which light enters from a side of a second surface opposite to the first surface, a first element isolation portion that extends in the semiconductor layer from the first surface toward the second surface, and a second element isolation portion that extends in the semiconductor layer from the second surface toward the first surface and comes into contact with the first element isolation portion. The coated portion is in contact with the second element isolation portion.

Abstract: According to one embodiment, a structure evaluation system according to an embodiment includes a plurality of first sensors, one or more second sensors, a vehicle information estimator, and an evaluator. The plurality of first sensors detect elastic waves generated from the inside of a structure on which a vehicle travels. The one or more second sensors detect passage of the vehicle without depending on damage in the structure. The vehicle information estimator estimates vehicle information including at least information of the number of vehicles passing on the structure on the basis of detection results from the one or more second sensors. The evaluator evaluates a deterioration state of the structure on the basis of a plurality of elastic waves detected by the plurality of first sensors and the vehicle information estimated by the vehicle information estimator.

Abstract: Techniques for controlling updating of information stored on a device, the information including information of a first type and information of a second type. The techniques include determining, using at least one processor, when a first item of information of the first type and a second item of information of the second type are to be updated, wherein the second item of information is to be updated more frequently than the first item of information; and causing the device to update the first and second items of information in accordance with the determination at least in part by wirelessly communicating with at least one other device.

Abstract: An image forming apparatus includes: a reader that reads a document and generates first document data; a first extractor that extracts first character information included in the first document data; a second extractor that searches a storage device storing a plurality of pieces of document data and extracts one or more pieces of second document data including second character information related to the first character information; and an estimator that estimates a file name to be set for the first document data from the first character information, on basis of a naming rule for a file name of the second document data based on a relation between the second character information and the file name of the second document data.

Abstract: According to one embodiment, a structure evaluation system includes an impact imparting unit, a plurality of sensors, a position locator, and an evaluator. The impact imparting unit applies impacts to a second region different from a first region of a structure to which traveling sections of a vehicle, which travels on the structure, apply impacts. The plurality of sensors detect elastic waves generated in the structure. The position locator locates a position of a source of the elastic waves on the basis of the elastic waves detected by each of the plurality of sensors. The evaluator evaluates a deterioration state of the structure on the basis of a position location result of the position locator.

Abstract: An optical inspection device 1A includes a light selection unit 30, a detection element 40, and a first image formation element 20. The light selection unit 30 has the plurality of wavelength selection regions 32 that selectively transmits or reflects the light rays L of mutually different wavelength regions. The detection element 40 detects scattering characteristic information of the light rays L having reached the light receiving surface 41 via the light selection unit 30. The first image formation element 20 causes scattered light scattered by a subject S to enter a light receiving surface 41 via the light selection unit 30. The plurality of wavelength selection regions 32 has different azimuth angles with respect to the optical axis z of the first image formation element 20.

Abstract: Provided is a novel low-GWP mixed refrigerant. A composition comprising a refrigerant, the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)), 2,3,3,3-tetrafluoropropene (HFO-1234yf), and 1,1,1,2-tetrafluoroethane (R134a), the total content of HFO-1132(E), HFO-1234yf, and R134a being 99.5 mass % or more based on the total of the refrigerant.

Abstract: An object is to provide a novel low-GWP mixed refrigerant. Provided as a means for solution is a composition comprising a refrigerant, the refrigerant comprising 1,1-difluoroethane (R152a), and difluoromethane (R32) and/or X in a total amount of 99.5 mass % or more based on the entire refrigerant, wherein X is trans-1,2-difluoroethylene (HFO-1132 (E)) and/or trifluoroethylene (HFO-1123).

Abstract: Provided is a tank inspection method capable of efficiently draining water injected into a tank at the time of inspection. A tank inspection method TIM includes a supporting step, a water injection step, a pressure increasing step, and a draining step. The supporting step supports a tank with the central axis crossed with the horizontal plane such that openings provided at both ends in a direction along the central axis of the tank become upper and lower openings. The water injection step injects water into the tank from the lower opening and discharges air inside the tank from the upper opening. The pressure increasing step increases water pressure inside the tank to a predetermined pressure by pumping water to the lower opening, with an upper valve, which opens and closes an upper flow path, closed, and the draining step drains water from the lower opening of the tank.

Abstract: A discharging device includes a first electrode and a second electrode, a capacitor, and a reactor unit. The first electrode and the second electrode are separated from each other. The capacitor stores energy (E) to apply a first voltage (V1) between the first electrode and the second electrode. The reactor unit includes a first reactor and a second reactor. The reactor unit inductively generates a second voltage (V2) to be applied between the first electrode and the second electrode to start discharge of the energy (E) between the first electrode and the second electrode.

Abstract: An object is to suppress disproportionation in a refrigerant comprising HFO-1132(E) when the refrigerant has a pressure of 3.0 MPa. A composition comprising a refrigerant, the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and tetrafluoropropene in a total amount of 99.5 mass % or more based on the entire refrigerant, wherein when the mass % of HFO-1132(E), HFO-1123, and tetrafluoropropene based on their sum is respectively represented by x, y, and z, coordinates (x, y, z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and tetrafluoropropene is 100 mass % are within the range of a figure surrounded by straight lines AB, BO, and OA that connect the following 3 points: point A (44.0, 0.0, 56.0), point B (0.0, 56.0, 44.0), and point O (0.0, 0.0, 100.0), or on the above straight line AB (excluding the points A and B).

Abstract: According to one embodiment, an inspection system of an embodiment is an inspection system for inspecting a bogie including a plurality of side beams extending in a front-rear direction and disposed apart from each other in a left-right direction and a cross beam connecting the plurality of side beams. The inspection system includes one or more sensors and a position locator. The one or more sensors are installed on at least one of the plurality of side beams and the cross beam and detect elastic waves. The position locator identifies a beam in which the elastic waves have been generated or locates a position of an elastic wave source on the basis of the elastic waves detected by the one or more sensors.

Abstract: An object is to provide a novel low-GWP mixed refrigerant. As a solution thereof, provided is a composition comprising a refrigerant, the refrigerant comprising HFO-1123 and HFO-1234yf, wherein the total content of HFO-1123 and HFO-1234yf is 99.5 mass % or more based on the entire refrigerant, and the content of HFO-1123 is 42.5 to 46.1 mass % and the content of HFO-1234yf is 53.9 to 57.5 mass % based on the sum of HFO-1123 and HFO-1234yf.

Abstract: A measuring method in an embodiment includes detecting elastic waves generated in a structural object formed of a solid material in a non-contact manner and estimating a position of an occurrence source of the elastic waves on the basis of information regarding an intensity of a signal of the detected elastic waves.