Abstract: The present embodiment provides an acid gas absorbent producing less waste and having a low environmental load, a method for removing an acid gas using the acid gas absorbent, and an acid gas removal apparatus. In the acid gas absorbent according to the present embodiment, a solubility in water of a salt formed from a liquid amine compound and the acid gas is higher than a solubility in water of the liquid amine compound. Further, the amine compound and water are separated into two phases before absorption of the acid gas or after desorption thereof, and, in this state, the acid gas absorbent is easily separated from water-soluble impurities and purified.

Abstract: A semiconductor device of embodiments includes: a silicon carbide layer having a first face having an off-angle of 0° or more and 8° or less with respect to a {0001} face and a second face opposite to the first face, having a 4H-SiC crystal structure, and including a first silicon carbide region of p-type, a second silicon carbide region of n-type between the first silicon carbide region and the first face, and a third silicon carbide region between the first silicon carbide region and the first face and containing oxygen, the second silicon carbide region disposed between the third silicon carbide region and the first face; a gate electrode; a silicon oxide layer between the silicon carbide layer and the gate electrode; and a region disposed between the silicon carbide layer and the silicon oxide layer and having a nitrogen concentration of 1×1021 cm?3 or more.

Abstract: A semiconductor device includes a major element including a first semiconductor region, a first electrode, a second electrode, a first gate electrode, and a first insulating member being positioned between the first gate electrode and the first semiconductor region, and a recording element electrically connected with the first electrode. The recording element records, as analog data, a maximum value of a change amount dV/dt of a voltage of the first electrode over time.

Abstract: A bonded body according to an embodiment includes a nitride ceramic member, and a metal member bonded with the nitride ceramic member via a bonding layer. A titanium nitride layer that includes titanium nitride as a major component is formed at a nitride ceramic member and the interface between the bonding layer. The titanium nitride layer includes a location at which an oxygen amount is not less than 1 at %.

Abstract: An electrochemical reaction device includes: an electrolytic unit that includes a cathode, an anode, a diaphragm, a cathode and an anode chamber; a first flow path through which a first fluid containing a reducible material flows, and; a second flow path through which a second fluid containing an oxidizable material flows; a third flow path through which a third fluid containing a reduction product flows; a fourth flow path through which a fourth fluid containing an oxidation product flows; a humidifier in the middle of the first flow path to humidify the first fluid; and a condenser in the middle of the first flow path so as to follow the humidifier and to treat the humidified first fluid and thus condenses a part of water vapor in the humidified first fluid to produce a condensed water, and to control a ratio of the condensed water in the humidified first fluid.

Abstract: According to one embodiment, an optical apparatus includes at least two light sources, illumination opening portions, and an imaging portion. The illumination opening portions are configured to partially block light emitted from the at least two light sources, respectively, to form illumination light. The imaging portion is configured to image an object using the illumination light. The at least two light sources are disposed at positions facing each other with an optical axis of the imaging portion interposed between the at least two light sources. The illumination light from the at least two light sources is formed to spread like a fan shape toward the object respectively by the illumination opening portions. The fan shape is defined on a reference plane including the optical axis of the imaging portion and on another plane parallel to the reference plane.

Abstract: An electrochemical reaction device includes: a structure that includes: a cathode; an anode; a diaphragm, a cathode chamber; and an anode chamber; a first to a fourth flow path through which a first to fourth fluid flows respectively; at least one controller selected from a first and a second flow rate controller, a first and a second pressure controller, a temperature controller and a power supply, the controller including the first flow rate controller; a gas/liquid separator in the middle of the fourth flow path; a first flowmeter that measures a flow rate of the third fluid; a second flowmeter that measures a flow rate of the fourth fluid; and a control device that measures the sum of the flow rates of the first, third and fourth fluids and controls the controller according to the sum to control a pressure difference between the chambers.

Abstract: A cathode gas supply system according to an embodiment includes: a carbon dioxide electrolysis unit that electrolyzes the carbon dioxide gas, and discharges cathode gas containing the carbon monoxide gas and carbon dioxide gas; and a downstream carbon dioxide capture unit that captures the carbon dioxide gas contained in the cathode gas, and supplies the cathode gas to a processing unit.

Abstract: An electrolysis device includes: a first electrolysis cell to reduce a reducible material and oxidize an oxidizable material; a second electrolysis cell to reduce the reducible material and oxidize the oxidizable material; a first supply source to supply a first fluid containing gas of the reducible material to the cells; a second supply source to supply a second fluid containing liquid of the oxidizable material to the cells; and at least one power supply to supply a first and a second power supply current to the first and the second electrolysis cell respectively. The at least one power supply can set values of the first and second power supply currents so that a current density of current flowing through the second electrolysis cell when reducing the reducible material is higher than a current density of current flowing through the first electrolysis cell when reducing the reducible material.

Abstract: An information processing device includes one or more processors. The one or more processors are configured to: adjust a first distance between first time-series data and a plurality of identification patterns corresponding to a plurality of classes by using a degree of existence indicating a degree by which a plurality of times of the first time-series data are times at which the plurality of respective identification patterns exist; calculate a first feature amount indicating a feature of the first time-series data by using the adjusted first distance; and obtain, by inputting the first feature amount to an estimation model learning a parameter, the similar identification pattern, and the degree of existence to reduce an estimation error, the identification pattern similar to the first time-series data, the class, and the degree of existence.

Abstract: An information processing device according to an embodiment includes a processor connected to a memory. The processor serves to identify, as resonant frequency of components of a structure, frequency of first-type peaks included in a first-type transfer function waveform representing relationship between amplitude and frequency of output vibration. The output vibration occurs in the components of the structure when the structure is subjected to sweep excitation. The processor serves to calculate a vibration propagation path along which input vibration having the resonant frequency propagates when applied to the structure. The vibration propagation path is calculated based on frequency and half width of second-type peaks included in a second-type transfer function waveform representing relationship between amplitude and frequency of output vibration.

Abstract: According to one embodiment, a radar system includes first radar modules, second radar modules, and a processor. The processor causes one of the first radar modules to transmit one first radar signal and at least one second radar module of the second radar modules to transmit at least one second radar signal. A distance between the one of the first radar modules and the at least one second radar module is twice or more as long as a distance between the one of the first radar modules and a furthest point from the one of the first radar modules in a sensing area of the one of the first radar modules.

Abstract: An information processing device comprises processing circuitry to: acquire pieces of train line information and departure and arrival times at each stop position of a train; split the train line information based on replacement stop positions at which a task for working on the train can switch between staffs, to obtain a plurality of pieces of task fragment information each indicating a task of a staff corresponding to each split train line part; and allocate the pieces of task fragment information to target durations to create work schedules indicating a schedule of tasks for each of the target durations, wherein a series of the tasks continuously allocated in each work schedule corresponds to a basic work schedule, each work schedule includes one or more basic work schedule and the processing circuitry performs allocation of the pieces of task fragment information based on a constraint related to the basic work schedule.

Abstract: An information processing apparatus has processing circuitry configured to generate a histogram indicating a relationship between a light reception time and a light reception frequency based on a plurality of received signals including reflected light from an object, detect a peak of the light reception frequency of the histogram, and judge whether there is a light propagation interference factor including at least one of fog, mist, haze, rain, and snow based on the histogram and the light reception time of the peak, wherein it is judged whether there is the light propagation interference factor based on the light reception time of the peak and a degree of change in the light reception frequency of the histogram between before and after the light reception time of the peak.

Abstract: A nucleic acid probe includes first and second nucleic acids. The first nucleic acid includes a binding site. The first nucleic acid includes first to seventh base sequences. The fourth base sequence is complimentary with the third base sequence. The fifth base sequence is complimentary with the second base sequence. The seventh base sequence is complimentary with the sixth base sequence. The binding site is positioned at least between the fourth base sequence and the seventh base sequence. The second nucleic acid includes an eighth base sequence. The eighth base sequence is complimentary with at least a portion of the first base sequence and at least a portion of the second base sequence. A number of bases of the eighth base sequence is more than a number of bases of the second base sequence.

Abstract: According to one embodiment, an information processing apparatus includes a processor. The processor is configured to acquire a first observation signal from a radar device with a plurality of antennas configured to transmit a radar signal and to receive a radar echo based on a reflected wave of the radar signal, generate a first radar image by executing a signal process based on a predetermined first condition, and generate a second radar image by executing a signal process based on a second condition. The first and second radar images are used as training data for a learning model to detect an object to which the radar signal is transmitted.

Abstract: According to an embodiment, a board includes a base material, a wiring pattern, an insulating member, and a covering portion. The wiring pattern is provided on the base material. The insulating member covers the base material and the wiring pattern, and has an opening corresponding to a bump forming portion of the wiring pattern. The covering portion is formed of a material having a solder contact angle larger than that of the bump forming portion in the opening, and covers a part of the bump forming portion.

Abstract: According to one embodiment, a processing device includes a memory and one or more processors coupled to the memory. The one or more processors are configured to: divide shape data of a surface of an inspection object into a plurality of curved surfaces; calculate a plurality of teaching points indicating positions at which the inspection object is inspected by an inspection device mounted on a movable body; calculate a path between curved surfaces transitioning the plurality of curved surfaces and a path in a curved surface transitioning teaching points within the curved surface of each of the plurality of curved surfaces; and calculate, based on the path between the curved surfaces, the path in the curved surface, and movement performance of the movable body, an orbit of the movable body so that an inspection time of the inspection object becomes shorter.

Abstract: An information processing system according to an embodiment solves a combinatorial optimization problem. The information processing system includes an information processing device and a solver device. A first coefficient among the plurality of coefficients is expressed by a predetermined first data type. The coefficient information includes, instead of the first coefficient, a first identification value expressed by a second data type having a smaller data size than the first data type. The solver device stores restoration information indicating a first restoration value corresponding to the first identification value. The first restoration value is expressed by the first data type.

Abstract: An electrolysis device in an embodiment includes an electrolysis cell including: a cathode chamber in which a reduction electrode is arranged and to which a gaseous substance to be reduced is supplied; an anode chamber in which an oxidation electrode is arranged and to which a substance to be oxidized in a liquid state or in a state of vaporized liquid is supplied; and a diaphragm provided between the cathode chamber and the anode chamber. At least one of the reduction electrode and the diaphragm includes a composite containing at least an inorganic oxide fine particle and an organic polymer material which binds the inorganic oxide fine particle.