Abstract: A refrigerant circulation device includes a common flow path, first and second flow paths branching from the common flow path, a third flow path, a heat exchanger through which the first and third flow paths extend and in which heat is exchanged, a first valve to adjust the flow rate of the first flow path, a second valve to adjust the flow rate of the second flow path, a sensor to detect a temperature of a refrigerant, a device temperature that is a temperature in the device, and a relative humidity in the device, and a changing assembly to change first and second opening degrees of the first and second valve such that a sum of the first and second opening degrees becomes a predetermined value, based on the temperature, the device temperature, and the relative humidity.

Abstract: A flow path structure includes a flow path tube, a connection portion, and a clamp portion. The flow path tube includes a flow path tube space. The connection portion internally includes a connection portion space, and at least a portion of the connection portion is located in the flow path tube space. The clamp portion is located on an outer peripheral surface of the flow path tube. The thermal expansion coefficient of the flow path tube is different from that of the connection portion. The clamp portion includes a band portion surrounding the outer peripheral surface of the flow path tube at a position where the flow path tube and the connection portion overlap each other, and an acting portion that changes the size of an inner diameter of the band portion.

Abstract: A coupling device includes a first portion and a coupling portion. The first portion includes a first flow path and an attachment portion. The coupling portion includes a first tubular portion including one end portion to be connected to a second tubular portion of a second portion including a second flow path, and an arrangement portion provided at the other end portion of the first tubular portion and to be attached to the attachment portion. The movement of the arrangement portion with respect to the first portion is suppressed in the axial direction of the first tubular portion. The arrangement portion is movable with respect to the first portion in the radial direction of the first tubular portion. A maximum outer diameter of the arrangement portion is smaller than a maximum outer diameter of the first tubular portion.

Abstract: A multilayer electronic device includes an element body including an interior region and an exterior region and a pair of external electrodes. The interior region includes inner dielectric layers and internal electrode layers laminated alternately. The exterior region is disposed outwards from the interior region in a lamination direction. The pair of external electrodes is disposed on a surface of the element body and connected to the internal electrode layers. DRAa<DRAb<DRAc and DRBa>DRBb>DRBc are satisfied, where “RA” includes an element having a highest mole ratio among “RE” in the inner dielectric layers of a third region at a center of the interior region in the lamination direction, “RB” includes an element having a highest mole ratio among “RE” in a first region at a center of the exterior region in the lamination direction, and “RA” and “RB” are different from each other.

Abstract: A refrigerant circulation device includes a primary flow path, a secondary flow path, a valve, and a controller. The primary flow path allows circulation of a primary refrigerant. The secondary flow path allows circulation of a secondary refrigerant. The valve is provided in the primary flow path or the secondary flow path, and includes an opening degree that is adjustable. The controller is configured or programmed to control operation of the valve and cause the valve to perform a predetermined operation when a period during which the valve is not operated exceeds a threshold value.

Abstract: A refrigerant circulation device includes a primary flow path, a secondary flow path, a heat exchanger, a housing, a power connector, two inflow ports, and two outflow ports. The primary refrigerant flows through the primary flow path. The secondary refrigerant flows through the secondary flow path. The heat exchanger is connected to the primary and secondary flow paths. The housing includes two first outer side surfaces extending along a first direction in a plan view and two second outer side surfaces extending along a second direction intersecting the first direction, the housing accommodating the primary flow path, the secondary flow path, and the heat exchanger. The power connector is provided on and protrudes from the first outer side surface. The two inflow ports are positioned on the first outer side surface provided with the power connector and communicate with the primary flow path and the secondary flow path, respectively.

Abstract: A refrigerant circulation device includes a primary flow path serving as a flow path of a primary refrigerant, a secondary flow path serving as a flow path of a secondary refrigerant, a heat exchanger connected to the primary flow path and the secondary flow path, a pump connected to the secondary flow path, and a housing including an accommodation region extending in a first direction and a second direction intersecting each other and having a dimension longer in the first direction than in the second direction. The housing accommodates the primary flow path, the secondary flow path, the heat exchanger, and the pump in the accommodation region. An entirety of the heat exchanger is positioned on one side in the second direction relative to the pump.

Abstract: A coupling device includes a first connection portion, a second connection portion, a tube portion, and a sealing portion. The first connection portion is connectable to an external socket or plug, and includes a first flow path through which a fluid flows. The second connection portion includes a first inner surface defining a second flow path continuous with the first flow path, and a first outer surface positioned farther outward than the first inner surface. The tube portion includes an end portion to be inserted into the second connection portion, and a second inner surface positioned outside the first outer surface and defining a third flow path. The sealing portion is interposed between the first outer surface and the second inner surface.

Abstract: An electronic device includes a conductive panel including a first opening, a display to display an image, and an electrically insulating spacer fixed to the panel. The spacer supports the display at a position away from the first opening in an intersecting direction intersecting with the first opening, and electrically isolates the display from the panel.

Abstract: A multilayer electronic device includes an element body including an interior region and an exterior region and a pair of external electrodes. The interior region includes inner dielectric layers and internal electrode layers laminated alternately. The exterior region is disposed outwards from the interior region in a lamination direction. The pair of external electrodes is disposed on a surface of the element body and connected to the internal electrode layers. DRAa<DRAb<DRAc and DRBa>DRBb>DRBc are satisfied, where “RA” includes an element having a highest mole ratio among “RE” in the inner dielectric layers of a third region at a center of the interior region in the lamination direction, “RB” includes an element having a highest mole ratio among “RE” in a first region at a center of the exterior region in the lamination direction, and “RA” and “RB” are different from each other.

Abstract: A refrigerant circulation device includes a housing including an opening, a protrusion protruding from the housing, and a pump movable in a first direction in an internal space of the housing through the opening and mounted at a mounting position on one side in the first direction relative to the opening. The pump includes a stopper movable between a first position that does not overlap with the protrusion and a second position that overlaps with the protrusion and is on one side in the first direction relative to the protrusion.

Abstract: A dielectric ceramic composition includes a barium titanate, an oxide of an R element, an oxide of an M element, and an oxide containing Si. The R element is one or more elements selected from Eu, Gd, Tb, Dy, Y, Ho, and Yb. The M element is one or more elements selected from Mg, Ca, Mn, V, and Cr. A ratio of an amount of the oxide of the R element in terms of R2O3 to an amount of the oxide containing Si in terms of SiO2 is 0.8:1 to 2.2:1. A ratio of an amount of the oxide of the M element in terms of MO to the amount of the oxide containing Si in terms of SiO2 is 0.2:1 to 1.8:1.50% or more of the number of dielectric particles constituting the dielectric ceramic composition is core-shell dielectric particles having a core-shell structure.

Abstract: The present disclosure relates to systems, devices and methods for the enhanced efficiency of capturing agents of interest from a sample.

Abstract: A multilayer electronic device includes an element body and a pair of external electrodes. The element body includes an interior region in which inner dielectric layers and internal electrode layers are alternately laminated and an exterior region located outside the interior region in its lamination direction. The pair of external electrodes exists on surfaces of the element body. Main-phase particles in the inner dielectric layers and outer dielectric layers of the exterior region include a main component having a perovskite crystal structure represented by a general formula of ABO3. r1<r2<r1×4.0 is satisfied, in which r1 is an average particle size of the main-phase particles constituting the inner dielectric layers, and r2 is an average particle size of the main-phase particles constituting the outer dielectric layers.

Abstract: A dielectric composition includes main-phase particles each including a main component having a perovskite crystal structure represented by a general formula of ABO3. At least a part of the main-phase particles has a core-shell structure. The dielectric composition includes RA, RB, M, and Si. Each of A, B, RA, RB, and M is one or more elements selected from a specific element group. SRA/SRB>CRA/CRB is satisfied, where CRA is an RA content (mol %) to the main component in terms of RA2O3, and CRB is an RB content (mol %) to the main component in terms of RB2O3, in the dielectric composition, and SRA is an average RA content (mol %), and SRB is an average RB content (mol %), in a shell part of the core-shell structure.

Abstract: A dielectric composition includes a main phase and segregation phases each including RE (at least one rare earth element). The main phase includes a main component having a perovskite crystal structure of ABO3 (A is one or more selected from Ba, Sr, and Ca, and B is one or more selected from Ti, Zr, and Hf). The segregation phases are classified into first segregation phases whose atomic ratio of Si to RE is 0 or more and 0.20 or less and second segregation phases whose atomic ratio of Si to the RE is more than 0.20. 0?S1/S2?0.10 is satisfied on a cross section of the dielectric composition, where S1 is an area ratio of the first segregation phases, and S2 is an area ratio of the second segregation phases. An atomic ratio of Si to RE in the second segregation phases is 0.80 or less on average.

Abstract: A dielectric composition includes a main phase, first segregation phases, and second segregation phases. The main phase includes a main component having a perovskite crystal structure of ABO3 (A is one or more selected from Ba, Sr, and Ca, and B is one or more selected from Ti, Zr, and Hf). The first segregation phases include RE (one or more selected from rare earth elements), A, Si, Ti, and O. The second segregation phases include RE, A, Ti, and O and do not substantially include Si. 0.10<S2/S1?1.50 is satisfied on a cross section of the dielectric composition, where S1 is an area ratio of the first segregation phases, and S2 is an area ratio of the second segregation phases.

Abstract: A dielectric composition includes a main-phase particle and segregation particles. The main-phase particle includes a main component having a perovskite crystal structure represented by a general formula of ABO3. The dielectric composition includes RA, RB, M, and Si. Each of A, B, RA, RB, and M is one or more elements selected from a specific element group. Each of an RA content CRA to the main component, an RB content CRB to the main component, an M content to the main component, and a Si content to the main component is within a predetermined range. 0.50<(?/?)/(CRA/CRB)?1.00 is satisfied, where a is an average RA content (mol %) and f3 is an average RB content (mol %) of specific segregation particles mainly including RA, RB, Si, Ba, and Ti in the segregation particles.

Abstract: A dielectric composition includes a main phase and segregation phases each including RE (at least one rare earth element). The main phase includes a main component having a perovskite crystal structure of ABO3 (A is one or more selected from Ba, Sr, and Ca, and B is one or more selected from Ti, Zr, and Hf). The segregation phases are classified into first segregation phases whose atomic ratio of Si to RE is 0 or more and 0.20 or less and second segregation phases whose atomic ratio of Si to the RE is more than 0.20. 0?S1/S2?0.10 is satisfied on a cross section of the dielectric composition, where S1 is an area ratio of the first segregation phases, and S2 is an area ratio of the second segregation phases. An atomic ratio of Si to RE in the second segregation phases is 0.80 or less on average.

Abstract: A dielectric composition includes main-phase particles each including a main component having a perovskite crystal structure represented by a general formula of ABO3. At least a part of the main-phase particles has a core-shell structure. The dielectric composition includes RA, RB, M, and Si. Each of A, B, RA, RB, and M is one or more elements selected from a specific element group. SRA/SRB>CRA/CRB is satisfied, where CRA is an RA content (mol %) to the main component in terms of RA2O3, and CRB is an RB content (mol %) to the main component in terms of RB2O3, in the dielectric composition, and SRA is an average RA content (mol %), and SRB is an average RB content (mol %), in a shell part of the core-shell structure.