Abstract: According to one embodiment, a measurement system, and a control method capable of improving transmission efficiency of data needed to evaluate a structure. A transmission terminal according to an embodiment includes a receiver, a communicator, and a signal processor. The receiver receives elastic waves output from a sensor configured to detect the elastic waves generated inside a structure. The communicator wirelessly transmits transmission data saved in a transmission buffer memory configured to save transmission data based on the received elastic waves. The signal processor controls elastic wave measurement processing on the basis of the number of items of data saved in the transmission buffer memory and an elapse time from a clock time at which the elastic waves have been detected.

Abstract: According to one embodiment, a corrosion determination system according to an embodiment includes one or more sensors, an index data acquirer, and a corrosion determiner. Elastic waves generated from a structure including at least a member that generates elastic waves due to corrosion are detected. The index data acquirer acquires index data that is an index of an amount of water on the surface of the structure. The corrosion determiner determines whether there is corrosion in the structure based on elastic waves generated due to corrosion identified based on the index data among a plurality of elastic waves detected by the one or more sensors.

Abstract: The propagation of a disproportionation reaction of a refrigerant is suppressed. Disclosed is a method that uses a composition in a device, in which the composition includes one or more compounds selected from the group of ethylene-based fluoroolefins, 2,3,3,3-tetrafluoropropene, and 1,3,3,3-tetrafluoropropene, and the heat capacity of a portion with a melting point greater than or equal to 1,000° C. in the device is greater than or equal to 6.5 J/K.

Abstract: The present disclosure provides a method for purifying HFO-1132 to a high purity while suppressing the isomerization and loss of HFO-1132. Specifically, the present disclosure provides a method for purifying 1,2-difluoroethylene, which is HFO-1132, the method comprising, in this order, step 1 of bringing a composition comprising trans-1,2-difluoroethylene, which is HFO-1132(E), and water into contact with a zeolite having an average pore size of 2 to 4 ? to reduce the water content from the composition; and step 2 of recovering a purified product containing HFO-1132(E) and a reduced content of water, and containing less than 0.1% by volume of HFO-1132(Z).

Abstract: Provided is a method for producing an olefin compound using reaction with a base, whereby a target product with a higher purity than the prior art can be obtained. Specifically, provided is a method for producing an olefin compound by reacting a phosphorus-containing olefin compound salt with a base to obtain a dephosphorized and hydrogenated olefin compound, wherein the temperature of the reaction is 50° C. or less.

Abstract: According to one embodiment, a vehicle information estimation system according to an embodiment includes at least one sensor and a vehicle count estimator. The at least one sensor detects elastic waves generated from a structure. The vehicle count estimator estimates the number of vehicles that have passed through on the structure using the elastic waves detected by the at least one sensor.

Abstract: Provided is a method for purifying a phosphorus-containing olefin compound salt as a raw material or an intermediate that is useful to increase the purity of a target product in a method for producing an olefin compound and that can be applied to the production method, and a method for producing an olefin compound using a purified product obtained thereby.

Abstract: According to one embodiment, a waveform signal processing system according to an embodiment includes a neural network, a learner, and an extractor. The neural network is configured to generate at least first time-series data on noise and second time-series data on a signal other than noise on the basis of input random noise. The learner is configured to update parameters of the neural network on the basis of a loss function including a main limitation term of which a value becomes lower as synthetic time-series data obtained by adding the first time-series data and the second time-series data generated by the neural network and an observed time-series waveform including noise become more similar to each other. The extractor is configured to extract at least one of the first time-series data and the second time-series data generated by the neural network as a target signal on the basis of the parameters updated by the learner.

Abstract: According to an embodiment, an optical processing method includes: inputting an image including direction information of light from an object as hue information for each pixel into an artificial neural network; and acquiring depth information of the object for the image based on a result output from the artificial neural network.

Abstract: The robustness of refrigerant against disproportionation reactions is improved. A method uses, as refrigerant for a compressor, a composition that contains one or two or more selected from a group of ethylene-based fluoroolefins, 2,3,3,3-tetrafluoropropene (HFO-1234yf), and 1,3,3,3-tetrafluoropropene (HFO-1234ze), in which the compressor includes a discharge pipe made of metal having a greater heat capacity than a discharge pipe of a compressor that uses R32, R410A, R134a, or R404A as refrigerant, or a casing that includes an intake pipe connection section made of metal having a greater heat capacity than an intake pipe connection section of a casing of the compressor that uses R32, R410A, R134a, or R404A as refrigerant.

Abstract: An image forming apparatus includes a controller and an image former. The controller acquires color information indicating a value of color with respect to each pixel of a region of interest including a pixel of interest among a plurality of pixels constituting an image, and at least one reference pixel different from the pixel of interest among the plurality of pixels, and determines, on the basis of the color information, whether or not to apply color material total amount regulation for the color material made to adhere with respect to the pixel of interest. The image former forms the image on the recording material by causing the color material to adhere to the recording material on the basis of a result of determination by the controller.

Abstract: According to one embodiment, a structure evaluation system according to an embodiment includes a plurality of sensors, a vehicle number estimator, and an evaluator. The plurality of sensors detect elastic waves generated inside a structure. The vehicle number estimator estimates the number of vehicles passing through the structure on the basis of a plurality of elastic waves detected by each of the plurality of sensors. The evaluator evaluates a state of deterioration of the structure using vehicle information relating to the number of vehicles estimated by the vehicle number estimator.

Abstract: An inspection system includes one or more sensors. The one or more sensors detect second elastic waves emitted to the outside of a shaft-shaped inspection object due to first elastic waves propagating through the shaft-shaped inspection object. The one or more sensors are fixedly placed at positions away from the shaft-shaped inspection object and the directivity direction of the sensor is inclined at a predetermined angle with respect to an axial line of the shaft-shaped inspection object.

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.