Abstract: An actuator capable of attaining high output. The actuator includes a frame structure part that forms a frame structure surrounding a housing part, and a volume change part housed in the housing part. The volume change part increases a volume thereof by input of external energy. The frame structure part has a higher Young's modulus than a Young's modulus of the volume change part. The housing part has an anisotropic shape, with a maximum width in first direction of the housing part longer than a maximum width in second direction different from the first direction of the housing part.

Abstract: A lap fillet arc welded joint includes: a first steel sheet and a second steel sheet which are overlapped each other, the first steel sheet and the second steel sheet each having a tensile strength of 950 MPa or more; and a weld metal which extends along a corner formed by an upper surface of the first steel sheet and an end surface of the second steel sheet. When: a toe angle of the weld metal is defined as ?; the total number of concave portions present on the surface of the weld metal included a range of 0.4 mm or less from a fusion boundary is defined as NA; and the number of concave portions in contact with ferrite grains having a maximum grain size of 10 ?m or more is defined as NB, the weld metal satisfies the following conditional expressions (1) and (2) at the same time. 0°<?<30°??(1) NB/NA?0.70??(2) (Here, NA is 20 or more).

Abstract: A dental gypsum slurry includes water and a dental gypsum powder containing hemihydrate gypsum and a polycarboxylic acid salt-based water-reducing agent, wherein a powder-water ratio of the water to the dental gypsum powder is 0.24 to 0.50, and when the water and the dental gypsum powder being mixed are poured up to a height of 50 mm in a cylindrical mold having an inner diameter of 35 mm, which is vertically placed on a flat surface, and then, the cylindrical mold is pulled upward at 10 mm/s at 30 seconds after start of mixing so that a mixture spreads planarly, the diameter of the mixture is 141.4 mm or more.

Abstract: In general, according to one embodiment, a semiconductor device includes a first terminal, a second terminal and a first circuit. The first circuit includes a first switching element, a second switching element and a first resistor. The gate of the first switching element is coupled between the first node and the second terminal. The first resistor and the second switching element are coupled in series between the first node and the second terminal. The first circuit is configured to change the first switching element and the second switching element from an off state to an on state when supply of the first voltage to the first node is stopped.

Abstract: A semiconductor device includes first and second trenches, and a first layer provided therebetween, in a principal surface of a semiconductor substrate, a second layer in contact with and sandwiching the first trench with the first layer, a third layer provided under the second layer and in contact with the second layer and the first trench, a fourth layer provided under and in contact with the third layer but separated from the first trench, and a fifth layer provided in the principal surface and sandwiching the second trench with the first layer. The second and fourth layers are semiconductors of a first conductivity type, and the first, third, and fifth layers are semiconductors of a second conductivity type. A gate trench electrode is provided inside the first trench via the insulating film, and an emitter trench electrode is provided inside the second trench via the insulating film.

Abstract: A heat exchanger includes an inlet header in which a first inlet space and a second inlet space are formed, a plurality of first inlet-side heat exchanger tubes that are connected to the first inlet space, a plurality of second inlet-side heat exchanger tubes that are connected to the second inlet space, a return header in which a plurality of first return spaces connected to the first inlet-side heat exchanger tubes, respectively, and a plurality of second return spaces connected to the second inlet-side heat exchanger tubes, respectively, are formed, and a plurality of outlet-side heat exchanger tubes that are connected to the first and second return spaces, respectively, wherein a communication path that enables a first return space on a bottom side among the first return spaces and a second return space on a top side among the second return spaces to communicate is formed in the return header.

Abstract: Provided is a polyimide having a repeating unit represented by the following Formula (1): wherein R1 represents a tetravalent group; R2 represents a divalent group; provided that at least one of R1's is represented by the following Formula (2); and among R2's, at least one group is represented by the following Formula (3), and at least one other group is represented by the following Formula (4):

Abstract: The present invention discloses a composition of an albumin-free, serum-free medium suited for culturing human hematopoietic stem cells and an albumin-free culturing method. According to the present invention, a method of culturing human hematopoietic stem cells is provided which comprises bringing human hematopoietic stem cells into contact with PVA and a PI3K activator.

Abstract: A print device is provided with a background head that discharges a background ink onto a recording medium, a color head that discharges a color ink onto the recording medium, and a CPU that controls the background head and the color head. The CPU of the print device divides the background ink into a plurality of layers including a first background layer and a second background layer, and discharges the background ink from the background head. A first discharge region of the first background layer is further to an inner side than a second discharge region of the second background layer.

Abstract: A heat exchanger includes a first-row heat exchange module through which a refrigerant is introduced from the outside, a second-row heat exchange module through which the refrigerant is discharged to the outside, a third-row heat exchange module through which the refrigerant is discharged to the outside, and a flow-splitting module that splits the refrigerant from the first-row heat exchange module into the second-row heat exchange module and the third-row heat exchange module, wherein the refrigerant reciprocates one time in a flow path, the first-row heat exchange module constitutes a forward path of the flow path, and both the second-row heat exchange module and the third-row heat exchange module constitute backward paths of the flow path.

Abstract: A heat exchanger includes flat tubes, a header to which the flat tubes are connected, an inflow plate that separates a refrigerant inflow portion and a lower circulation portion, a vertical dividing plate that separates the lower circulation portion and an upper circulation portion, a lower dividing plate that divides the lower circulation portion into a lower ascent path on an internal side and a lower descent path of an external side, and an upper dividing plate that divides the upper circulation portion into an upper ascent path on a leeward side, and an upper descent path on a windward side, wherein the inflow plate includes an ejection hole on a leeward side and an internal side, and the vertical dividing plate includes a first passing port on a leeward side and an internal side, and a second passing port on a windward external side.

Abstract: A heat exchanger includes: a plurality of flat tubes; a fin in which a plurality of notches are arranged side by side in a vertical direction, the fin having a plurality of intermediate portions and a connecting portion connecting the intermediate portions to each other; and a first bulging portion having an upper end edge and a lower end edge provided between a first notch and a second notch, the upper end edge being positioned in the intermediate portion and the lower end edge being positioned in the connecting portion. The upper end edge has a first upper end positioned on an intermediate portion side, and a second upper end positioned on a connecting portion side, the first upper end being positioned to be higher than the second upper end, or the first upper end being positioned at the same height as the second upper end.

Abstract: A heat exchanger (5) comprises: a plurality of flat tubes that are stacked in a direction perpendicular to a refrigerant flow direction, and a plurality of fins (111) that have a first flat tube among the plurality of flat tubes, a second flat tube adjacent to the first flat tube, a first flat tube insertion portion (113A) into which the first flat tube is inserted, and a second flat tube insertion portion (113B) into which the second flat tube is inserted. A first fin (111) has, formed on the inner periphery of the first flat tube insertion portion (113A), a cut and raised piece (114) for spacing a fin pitch (P) between the first fin (111) and an adjacent second fin (111). The cut and raised piece (114) has a raised portion of the same length as the fin pitch (P), and a folded portion that is folded back at the tip of the raised portion and that is in contact with the second fin (111).

Abstract: An air conditioner includes a heat exchanger that is arranged in a ventilation flue inside a housing, wherein the heat exchanger includes a plurality of flat tubes, and a fin that includes a plurality of notch portions arranged side by side in a vertical direction, to which the plurality of flat tubes are inserted, and includes intermediate regions each formed between two of the notch portions adjacent to each other in a vertical direction, and a connection region connecting the intermediate regions to each other, first bulging portions that are at least partly positioned on the intermediate regions, and a second bulging portion that overlaps with a gap generated between the first bulging portions and the flat tubes.

Abstract: An information processing apparatus which operates in an operation mode as either of a first mode and a second mode in which power consumption is lower than power consumption in the first mode, includes: a normal control unit; a delay filter configured to delay a mode signal by a delay time longer than a time required for a preparation processing by the normal control unit; a power saving shift unit configured to stop the normal control unit after termination of the preparation processing in a case where the mode signal indicates shifting to the second mod; and a return unit to release stop of the normal control unit in a case where at least one of the mode signal and the mode signal delayed indicates returning to the first mode.

Abstract: Resin compositions including (A) a hollow organic polymer particle, (B) an epoxy resin, and (C) a curing agent provide cured products having a superior smear removal properties.

Abstract: A transmission antenna includes a resonant capacitor and a transmitter coil coupled in series. The driver includes a bridge circuit structured to apply a driving voltage to the transmission antenna. A current sensor detects current IS flowing through the bridge circuit. A foreign object detector detects the current IS flowing through the bridge circuit while changing switching frequency of the bridge circuit and determines whether a foreign matter is present or absent based on a difference between two frequencies fH and fL giving current lower than a peak by a predetermined ratio.

Abstract: An information processing apparatus which operates in an operation mode as either of a first mode and a second mode in which power consumption is lower than power consumption in the first mode, includes: a normal control unit; a delay filter configured to delay a mode signal by a delay time longer than a time required for a preparation processing by the normal control unit; a power saving shift unit configured to stop the normal control unit after termination of the preparation processing in a case where the mode signal indicates shifting to the second mod; and a return unit to release stop of the normal control unit in a case where at least one of the mode signal and the mode signal delayed indicates returning to the first mode.

Abstract: A controller of an air-fuel-ratio sensor according to an embodiment includes a current supplying unit, a sweep processing unit, and an abnormality detecting unit. The current supplying unit supplies a current to the pump cell through a first terminal connected with the pump cell so as to control the pump cell. The sweep processing unit executes a sweeping process in which a predetermined voltage or a predetermined current is applied to the detection cell through a second terminal connected with the detection cell so as to change a voltage and a current of the detection cell. The abnormality detecting unit detects a short-circuited state between the first terminal and the second terminal on the basis of a fluctuation in a voltage or a current, generated by the sweeping process, of the first terminal.

Abstract: It is contemplated to arrange a plurality of operational levers without inviting complications of the arrangements or enlargement of the vehicle body, intensively for better operability between the driver's seat and one of the right and left rear fenders. In a riding work vehicle, a plurality of operational levers 25, 26 are disposed adjacent on the right and left sides between a driver's seat and one of right and left rear fenders 7. Of the plurality of operational levers 25, 26, an inner operational lever 25 disposed on the side of the driver's seat is displaceable in a front-rear direction of a vehicle body.