Abstract: A method of operating an electrochemical device includes the steps of: applying a first adsorption voltage to a function electrode while supplying a predetermined gas to the function electrode; and switching the first adsorption voltage to a second adsorption voltage higher than the first adsorption voltage while maintaining the supply of the predetermined gas to the function electrode.

Abstract: A method of regenerating an acid gas adsorption device includes the steps of: causing an acid gas to be adsorbed to an acid gas adsorption material by supplying a gas including the acid gas to an acid gas adsorption device so that the gas is brought into contact with an acid gas adsorption layer; causing the acid gas to be desorbed from the acid gas adsorption material; removing the acid gas adsorption layer of the acid gas adsorption device, which has been subjected to the step of causing the acid gas to be adsorbed and the step of causing the acid gas to be desorbed, from a surface of a base material; and forming an acid gas adsorption layer including a porous carrier and an acid gas adsorption material on the surface of the base material from which the acid gas adsorption layer has been removed.

Abstract: A liquid fuel synthesis system includes a liquid fuel synthesis portion and a sweep gas supply unit. The liquid fuel synthesis portion is partitioned into a non-permeation side space and a permeation side space by the separation membrane. A temperature of the sweep gas flowing into the permeation side space is higher than at least one of a temperature of the raw material gas flowing into the non-permeation side space and a temperature of a first outflow gas flowing out of the non-permeation side space. A temperature of a second outflow gas flowing out of the permeation side space is higher than at least one of the temperature of the raw material gas flowing into the non-permeation side space and the temperature of the first outflow gas flowing out of the non-permeation side space.

Abstract: An information processing apparatus that updates a regression coefficient parameter based on a predetermined objective function including a regularization term for each of a plurality of elements characterized by a task and a feature value, the information processing apparatus comprising processing circuitry. The processing circuitry selects an element which is an update target of the regression coefficient parameter from the plurality of elements, fixes a value of the regularization term of an unselected element, selects a calculation expression for updating a regression coefficient parameter of the selected element based on a regression coefficient parameter of the unselected element, and updates the regression coefficient parameter of the selected element based on the selected calculation expression.

Abstract: An imaging control apparatus obtains a plurality of images at different radiation energies, the images having been obtained as a result of irradiating a subject with radiation whose energy changes during one shot, and detecting, a plurality of times, the radiation that has passed through the subject during the one shot; generates an energy subtraction image by performing energy subtraction processing using a plurality of images; and generates a difference image using a plurality of generated energy subtraction images.

Abstract: A reactor includes a second flow path on a permeation side of a separation membrane. The second flow path includes an inflow port open to a first space between a first seal portion and a flow rate adjustment unit, and an outflow port open to a second space between a second seal portion and a flow rate adjustment unit. A housing includes a sweep gas supply port for supplying a sweep gas to the first space and a sweep gas exhaust port for discharging the sweep gas from the second space. In a side view of the reactor, a direction in which the sweep gas flows from the first space to the second space via the flow rate adjustment unit is the same as a direction in which the sweep gas flows through the second flow path.

Abstract: A methane production system includes a co-electrolysis device and a reforming device connected to the co-electrolysis device. The co-electrolysis device has a co-electrolysis cell including a first electrode at which H2, CO, and O2? are produced from CO2 and H2O, an electrolyte capable of transferring O2?, and a second electrode at which O2 is produced from the O2? transferred from the first electrode through the electrolyte. The reforming device has a reforming cell that produces CH4 from the H2 and CO produced at the first electrode.

Abstract: A reactor includes a second flow path on a permeation side of a separate membrane. The second flow path includes an inflow port open to a first space between a first seal portion and a flow stop unit, and an outflow port open to a second space between a second seal portion and a flow stop unit. A housing includes a sweep gas supply port for supplying a sweep gas to the first space and a sweep gas exhaust port for discharging the sweep gas from the second space. In a side view of the reactor, a direction in which the sweep gas flows through the second space is opposite to a direction in which the sweep gas flows through the second flow path.

Abstract: A reactor includes a separation membrane permeable to a product of a conversion reaction of a raw material gas containing at least hydrogen and carbon oxide to a liquid fuel, a non-permeation side flow path extending in an approximately vertical direction on a non-permeation side of the separation membrane, the raw material gas flowing through the non-permeation side flow path, and a catalyst configured to fill the non-permeation side flow path and promote the conversion reaction. The catalyst includes a first layer and a second layer disposed upward of the first layer, and a mean equivalent circle diameter of catalyst particles included in the first layer is larger than a mean equivalent circle diameter of catalyst particles included in the second layer.

Abstract: A monolith-type reactor includes a separation membrane, a first flow path, a second flow path, and a catalyst. The separation membrane is permeable to a product of conversion reaction of a raw material gas containing at least hydrogen and carbon dioxide to a liquid fuel. The raw material gas flows through the first flow path. A sweep gas for sweeping the product that has permeated through the separation membrane flows through the second flow path. The catalyst is disposed in the first flow path and configured to promote the conversion reaction of the raw material gas to the liquid fuel. In a side view of the separation membrane, a direction in which the sweep gas flows through the second flow path is opposite to the direction in which the raw material gas flows through the first flow path.

Abstract: A liquid fuel synthesis system includes a liquid fuel synthesis unit and a sweep gas supply unit. The liquid fuel synthesis unit is permeable to a product of a conversion reaction of a raw material gas containing at least hydrogen and carbon dioxide to a liquid fuel. The sweep gas supply unit for supplying a sweep gas for sweeping the product has permeating through the separation membrane to the liquid fuel synthesis unit. The sweep gas contains hydrogen or carbon dioxide as a main component.

Abstract: A methane production system includes a co-electrolysis/reforming cell and a control unit that controls operating temperatures of the co-electrolysis/reforming cell. The co-electrolysis/reforming cell includes a first electrode, a second electrode, and an electrolyte disposed between the first electrode and the second electrode. The co-electrolysis/reforming cell operates in either a co-electrolysis mode in which H2 and CO are produced at the first electrode from CO2 and H2O, or a reforming mode in which CH4 is produced at the first electrode from the H2 and CO produced in the co-electrolysis mode. The control unit makes an operating temperature of the co-electrolysis/reforming cell in the reforming mode lower than an operating temperature of the co-electrolysis/reforming cell in the co-electrolysis mode.

Abstract: A membrane reactor includes a catalyst layer, a separation membrane, and a buffer layer. The catalyst layer contains a catalyst for promoting a conversion reaction from a feed gas containing hydrogen and carbon oxide to a liquid fuel. The separation membrane is permeable to water vapor which is a byproduct of the conversion reaction. The buffer layer is disposed between the separation membrane and the catalyst layer, and permeable to the water vapor toward the separation membrane.

Abstract: A liquid fuel synthesis system includes a liquid fuel synthesis portion and a sweep gas supply unit. The liquid fuel synthesis portion is partitioned into a non-permeation side space and a permeation side space by the separation membrane. A temperature of the sweep gas flowing into the permeation side space is higher than at least one of a temperature of the raw material gas flowing into the non-permeation side space and a temperature of a first outflow gas flowing out of the non-permeation side space. A temperature of a second outflow gas flowing out of the permeation side space is higher than at least one of the temperature of the raw material gas flowing into the non-permeation side space and the temperature of the first outflow gas flowing out of the non-permeation side space.

Abstract: A screen printer comprising: a conveyance device configured to convey a board; a board holding device configured to position a conveyed board at a printing position; a stencil holding device configured to attach a stencil above the held board; a squeegee device configured to fill pattern holes of the stencil with solder paste; a board raising and lowering device configured to raise and lower the board positioned by the board holding device; and a control device configured to perform drive control of each the above devices, the control device including a standby printing processing section configured to raise the board from below with respect to the stencil such that the board contacts the stencil, stand by in a state with solder paste filled in the pattern holes, and lower the board to separate the board from the stencil in accordance with a board conveyance signal.

Abstract: A screen printer that measures a tension of a mask in a machine, including a mask holding device configured to hold a mask; a board device configured to position a board from below with respect to the mask held by the mask holding device; a squeegee device configured to apply and spread a cream solder on an upper surface of the mask; a mask pressing device configured to press the mask at a set pressure by a pusher which is installed on an upper travelling device or a lower travelling device with respect to the mask; a mask measurement device, installed on the upper travelling device or the lower travelling device to be opposed to the pusher, which is configured to measure a height of the mask; and a tension measurement device configured to calculate a tension of the mask based on a measured value of the mask measurement device.

Abstract: A screen printing machine configured to print solder onto a surface of a circuit board using a screen mask. The screen printing machine is provided with: a screen mask arranged at a top side of the circuit board; a box member arranged at an underside of the circuit board including a space that is closed by the circuit board; a negative pressure generator connected to the space of the box member and configured to create negative pressure inside the space; a sensor configured to detect a pressure inside the space; and a control device configured to control the negative pressure generator based on the pressure detected by the sensor.

Abstract: A printing apparatus of the present disclosure is for performing printing of a viscous fluid onto a print target using a screen mask, the printing apparatus including: a moving section configured to perform at least one of moving an exchangeable member to an exchange position or loading and unloading of the exchangeable member, for at least two types of the exchangeable member that, out of a cartridge configured to house the viscous fluid, a squeegee, a screen mask, a cleaning member used to clean the screen mask, and a support member configured to fix the print target, include at least one out of the cartridge, the squeegee, and the cleaning member; and an exchange control section configured to control the moving section to perform exchange processing of exchanging the exchangeable member.

Abstract: A printing device including a conveyance rod which discharges and introduces a screen mask and a board support member; and a control section. The control section performs a mask exchange process including a mask discharge process of discharging the screen mask to be discharged and a mask introduction process of introducing the screen mask to be introduced by controlling a conveyance rod. In addition, the control section performs a support member exchange process including a support member discharge process of discharging the board support member to be discharged and a support member introduction process of introducing the support member to be introduced by controlling the conveyance rod.

Abstract: A screen printing machine configured to print solder onto a surface of a circuit board using a screen mask. The screen printing machine is provided with: a screen mask arranged at a top side of the circuit board; a box member arranged at an underside of the circuit board including a space that is closed by the circuit board; a negative pressure generator connected to the space of the box member and configured to create negative pressure inside the space; a sensor configured to detect a pressure inside the space; and a control device configured to control the negative pressure generator based on the pressure detected by the sensor.