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: A carbon dioxide conversion device includes: a carbon dioxide supply part configured to supply a supply gas containing carbon dioxide gas; a flow rate adjusting part that includes flow rate adjusting valves configured to distribute the supply gas to be supplied from the carbon dioxide supply part; an electrolysis part that includes electrolysis cell stacks configured to receive the supply gas distributed through the flow rate adjusting valves; a voltage measuring part that includes voltmeters configured to measure voltages across the electrolysis cell stacks; and a control part configured to adjust opening degrees of the flow rate adjusting valves in response to voltage signals to be received from the voltmeters.

Abstract: A medical image processing device includes a first image acquirer, a second image acquirer, an area acquirer, an image similarity calculator, a cost calculator, and a registrator. The first image acquirer acquires a first image which is captured by imaging an internal body of a patient. The second image acquirer acquires a second image which is captured by imaging the internal body of the patient at a time point different from that of the first image. The area acquirer acquires two or more areas corresponding to the first image or the second image. The image similarity calculator calculates a similarity between the first image and the second image. The cost calculator calculates a cost based on a positional relationship between the areas. The registrator calculates a relative position of the first image with respect to the second image to increase the similarity and to decrease the cost.

Abstract: A solid oxide electrochemical cell stack includes: a first planar electrochemical cell; a second planar electrochemical cell stacked with the first planar electrochemical cell; a separator electrically connected to a first hydrogen electrode and a second oxygen electrode; a first conductor connecting the first hydrogen electrode and the separator; and a second conductor connecting the second oxygen electrode and the separator. The second conductor includes a porous conductor through which at least one supplied gas is supplied and diffused to second the oxygen electrode, and a structure-supporting conductor to prevent mechanical displacements of the cells.

Abstract: A solid oxide cell includes a hydrogen electrode, a solid oxide electrolyte layer, and an oxygen electrode. The hydrogen electrode includes: a first hydrogen electrode layer having a first surface and a second surface, the first surface being in contact with the oxide electrolyte layer, the second surface being opposite to the first surface; and a second hydrogen electrode layer in contact with the second surface. The first hydrogen electrode layer has a first metal particle and a first metal oxide particle. The second hydrogen electrode layer has a second metal oxide particle with a second metal particle supported with the second metal oxide particle.

Abstract: According to one embodiment, an amine-containing water concentration system includes an osmotic pressure generator and a carbon dioxide introducing unit. The osmotic pressure generator includes a treatment vessel, a first chamber to which the water to be treated is supplied, a second chamber capable of storing a working medium, and a semipermeable membrane that partitions the first chamber and the second chamber, which are located in the treatment vessel. The carbon dioxide introducing unit is capable of introducing carbon dioxide into the water to be treated.

Abstract: The embodiments provide an acidic gas absorbent having low diffusibility, an acidic gas removal method employing the acidic gas absorbent, and also an acidic gas removal apparatus employing the absorbent. The acidic gas absorbent according to the embodiment comprises: a particular tertiary amine compound, such as, an alkyl dialkanol amine or a hydroxyalkyl piperazine; a halogen-free ionic surfactant; and an aqueous solvent. The embodiments provide not only the acidic gas absorbent but also an acidic gas removal method and apparatus employing the acidic gas absorbent.

Abstract: A gas insulation apparatus has a sealed container, an insulation gas, a high-voltage portion, and a removal material. The insulation gas has CO2 and O2 filling the sealed container as main components. The high-voltage portion is stored in the sealed container. The removal material reduces concentrations of HF, CO, and O3 in the insulation gas.

Abstract: A power generation facility in an embodiment includes: a boiler; a high-pressure turbine to which steam generated in the boiler is introduced; a low-pressure turbine provided downstream of the high-pressure turbine; and a condenser that condenses steam discharged from the low-pressure turbine. The power generation facility further includes: a feed pipe that leads feedwater in the condenser to the boiler; a heat storage and steam generation device that has a heat storage function that uses surplus energy generated in an own system to store heat, and a steam generation function that has part of feedwater led by the feed pipe introduced thereinto and turns the feedwater into steam by the stored heat; and a steam supply pipe that supplies steam generated in the heat storage and steam generation device to an own system.

Abstract: To provide a CO2 gas removal device capable of repeatedly using an acid component capture liquid for purifying a CO2 gas absorbent. A CO2 gas removal device includes: a CO2 separation and recovery unit which absorbs and recovers a gas to be treated containing a CO2 gas by using a CO2 absorbent containing an amine-based compound; and a CO2 absorbent purification unit which purifies the CO2 absorbent from the CO2 absorbent by electrodialysis, in which the CO2 absorbent purification unit includes an electrodialysis unit which purifies the CO2 absorbent by moving an acid component included in the CO2 absorbent to an acid component capture liquid, an amine separation unit which separates the amine-based compound from the acid component capture liquid, and an acid component separation unit which separates the acid component from the acid component capture liquid.

Abstract: A solar battery module according to an embodiment has at least one solar battery panel, a flexible substrate and a package. A solar battery cell is formed in the at least one solar battery panel. The flexible substrate is directly or indirectly connected to the at least one solar battery panel. A bypass diode is mounted on the flexible substrate. The flexible substrate forms a bypass line of the at least one solar battery panel. The package accommodates the at least one solar battery panel. The flexible substrate has a base material and a wiring. The wiring is supported by the base material. The wiring has a flying lead and a terminal. The flying lead protrudes from the base material. The flying lead is connected to the at least one solar battery panel. The terminal is provided on an outward side of the package.

Abstract: According to one embodiment, a switch device includes a container configured to house a gas, a cathode located in the container, a first anode located in the container, and a second anode located in the container. A second direction from the cathode toward the second anode crosses a first direction from the cathode toward the first anode. A second distance between the cathode and the second anode is greater than a first distance between the cathode and the first anode.

Abstract: A charged particle accelerator and a method for building the same includes in a vacuum-duct joint-portion, a male screw 21 engraved on an outer peripheral surface of a joint, a contact surface 25 to be brought into contact with an annular seal 12 is formed at the end of the inner peripheral surface 22 of the joint, a pressing surface 26 for pressing the annular seal 12 toward the contact surface 25 of the joint 11A is formed on the ring, an abutting surface 28 that abuts on the ring 15 is formed on the nut, and a female screw 27 to be screwed to the male screw 21 of the joint 11A is engraved on the inner peripheral surface of the nut 16.

Abstract: In one embodiment, a power generating system includes a cooling absorption tower configured to cause an absorption liquid to absorb carbon dioxide in atmosphere. The system further includes an evaporator configured to heat the absorption liquid to release the carbon dioxide and water vapor from the absorption liquid, and discharge the absorption liquid that has released the carbon dioxide and the water vapor, and a first gas including the carbon dioxide and the water vapor. The system further includes a turbine configured to be driven by a portion of the first gas. The system further includes a generator configured to be driven by the turbine. The system further includes a capturer configured to condense the water vapor included in a remaining portion of the first gas, and capture the carbon dioxide that is included in the remaining portion of the first gas and to be a capture target.

Abstract: An electrochemical reaction device of an embodiment includes: an electrochemical reaction cell 1 that includes: a first electrode having a first flow path, a second electrode having a second flow path, and a separating membrane sandwiched between the first electrode and the second electrode; a liquid tank that contains a liquid to be treated supplied to the second flow path of the second electrode; a first pipe that connects an inlet of the second flow path and the liquid tank; a second pipe that connects an outlet of the second flow path and the liquid tank; and a backflow suppression mechanism that is provided in the second pipe to prevent backflow of the liquid to be treated flowing in the second pipe or reduce a backflow speed.

Abstract: According to one embodiment, an information processing apparatus, comprises a processing circuitry configured to estimate, based on histories of charge and discharge of storage batteries of one or more consumers in a first period, remaining capacities of the storage batteries in a second period different from the first period, and calculate a power adjustable capacity that is a total of rechargeable capacities or dischargeable capacities of the storage batteries of the one or more consumers in the second period, based on estimates of the remaining capacities of the storage batteries.

Abstract: A solar cell of an embodiment includes a p-electrode, an n-electrode, a p-type light-absorbing layer located between the p-electrode and the n-electrode and comprising a cuprous oxide, and an n-type layer comprising a first n-type layer, which is located between the p-type light-absorbing layer and the n-electrode and comprising a defined compound aiding in conversion efficiency. The n-type layer further comprises a second n-type layer which is located between the first n-type layer and the n-electrode and mainly contains another compound aiding in conversion efficiency.

Abstract: A tightening device includes a mobile part, a bolt tensioner, a bolt tensioner operation part, a positioning part, and a controller. The mobile part can be moved by driving control. The bolt tensioner performs a tightening operation for a bolt by operation of the operation part. The positioning part is mounted on the mobile part and is mounted with the bolt tensioner and the operation part, and positions a three-dimensional position of the bolt tensioner. The controller causes the mobile part to move so that a distance to the bolt falls within a certain value, causes the positioning part to operate so that the three-dimensional position becomes a position where the bolt is tightened after the mobile part is moved, and drives the operation part so that the bolt tensioner performs the tightening operation after the three-dimensional position is determined to be the position where the bolt is tightened.

Abstract: According to one embodiment, a thermionic power generation element includes a cathode, an anode, and an insulating member. The cathode includes an electrically-conductive material. The anode includes an electrically-conductive material. The insulating member is located between the cathode and the anode. The cathode and the anode have a gap between the cathode and the anode. A first through-hole is provided in the anode. The first through-hole extends through the anode in a first direction and communicates with the gap. The first direction is from the cathode toward the anode.

Abstract: A medical image processing device of an embodiment includes a comparator and a position determination region determiner. The comparator compares a first image obtained by photographing a patient with a comparative image which is an image used in previous radiation treatment and in which a valid region used in position alignment in the radiation treatment is designated. The position determination region determiner determines a position determination region similar to the valid region included within the first image on the basis of a comparison result of the comparator.