Abstract: A semiconductor device includes a substrate, a back-barrier layer, a channel layer that has a band gap smaller than a band gap of the back-barrier layer, a first barrier layer that has a band gap larger than the band gap of the channel layer, a second barrier layer that is provided to fill a first recessed portion and has a band gap larger than the band gap of the channel layer, a source electrode, a drain electrode, and a gate electrode. An In composition ratio of the first barrier layer is greater than or equal to 0 and less than an In composition ratio of the second barrier layer. An Al composition ratio of the first barrier layer is greater than or equal to an Al composition ratio of the second barrier layer.

Abstract: A semiconductor device includes a substrate, a back-barrier layer, a channel layer that has a band gap smaller than a band gap of the back-barrier layer, a first barrier layer that has a band gap larger than the band gap of the channel layer, a second barrier layer that is provided to fill a first recessed portion and has a band gap larger than the band gap of the channel layer, a source electrode, a drain electrode, and a gate electrode. An In composition ratio of the first barrier layer is greater than or equal to 0 and less than an In composition ratio of the second barrier layer. An Al composition ratio of the first barrier layer is greater than or equal to an Al composition ratio of the second barrier layer.

Abstract: The present invention aims to provide a method for testing the function of antibodies that uses safe antigens and gives results more quickly. The present invention relates to a method for determining antibody-dependent enhancement ability of antibodies, including contacting, in the presence of a test antibody, Fc? receptor-expressing cell with single round infectious virus particles containing a gene with a region encoding a labeled protein and a region encoding non-structural (NS) proteins 1 to 5 of the yellow fever virus genome, a capsid protein of a virus, and an outer shell protein (Envelope) of a virus, wherein when the measured label is greater than that of a negative control cell, the test antibody is determined to have an antibody-dependent enhancement ability, and the like.

Abstract: A semiconductor device includes: a substrate; a buffer layer; an intermediate layer; an electron transport layer; an electron supply layer; a source electrode and a drain electrode; and a gate electrode. The intermediate layer includes a stack resulting from stacking a first intermediate layer and a second intermediate layer. The second intermediate layer is provided above the first intermediate layer. A first position that is 100 nm above a lower surface of the intermediate layer is in the first intermediate layer. A second position that is 100 nm below an upper surface of the intermediate layer is in the second intermediate layer. A value obtained by dividing a density of edge screw mixed dislocations with a Burgers vector of <11-23>/3 at the second position by a density of edge screw mixed dislocations with the Burgers vector of <11-23>/3 at the first position is at most 0.66.

Abstract: In a fastener structure for a vehicle, a height adjustment spacer is interposed between first and second vehicle body frames fixed with a bolt and a nut. The nut has a first insertion hole through which a bolt is screwed, and is fixed to a surface of the first vehicle body frame. The height adjustment spacer has a second insertion hole through which the bolt is inserted, and is disposed in contact with another surface of the first vehicle body frame. The bolt is inserted through an attachment hole of the second vehicle body frame, the second insertion hole, an attachment hole of the first vehicle body frame, and the first insertion hole. On a contact surface between the height adjustment spacer and the first vehicle body frame, a protrusion and a recess are provided to surround an entirety of the second insertion hole, the second insertion hole respectively.

Abstract: The present invention provides human cells that can be stably infected with coronavirus, as human cells for research on infection with coronavirus such as SARS-CoV-2, as well as, by utilizing the cells, a method for confirming the presence of a coronavirus in a sample, a method for producing a coronavirus, and a method for evaluating the presence or absence of anti-coronavirus activity of a test sample or a substance having an anti-coronavirus neutralizing action in a test sample. Specifically, the present invention relates to a method for preparing a coronavirus-infectious immortalized human myeloid cell, including introducing ACE2 and TMPRSS2 into an immortalized human myeloid cell, and the like.

Abstract: In a fastener structure for a vehicle, a height adjustment spacer is interposed between first and second vehicle body frames fixed with a bolt and a nut. The nut has a first insertion hole through which a bolt is screwed, and is fixed to a surface of the first vehicle body frame. The height adjustment spacer has a second insertion hole through which the bolt is inserted, and is disposed in contact with another surface of the first vehicle body frame. The bolt is inserted through an attachment hole of the second vehicle body frame, the second insertion hole, an attachment hole of the first vehicle body frame, and the first insertion hole. On a contact surface between the height adjustment spacer and the first vehicle body frame, a protrusion and a recess are provided to surround an entirety of the second insertion hole, the second insertion hole respectively.

Abstract: [Problem] To find a method having higher stability, reproducibility, economic efficiency, and operation easiness in an evaluation method of safety of a substance in vitro, by using human immortalized myeloid cells. [Solving Means] A method for evaluating the skin sensitizing property and/or the pyrogenic property of a test substance, a method for detecting a skin sensitizer and/or a pyrogen in a sample, and a method for evaluating the action of a sample on a function of immune cells, each using human immortalized myeloid cells and including measuring the production amount of IL-6 and/or IL-8 in a culture medium of human immortalized myeloid cells.

Abstract: A hair growing agent comprises one or more amino acids or peptides selected from the group consisting of Hyp, Pro-Hyp, Hyp-Gly, Gly-Pro, Leu-Hyp, Phe-Hyp, Pro-Ala, Pro-Gly, Pro-Pro, Glu-Hyp, Gly-Pro-Hyp, Ala-Hyp-Gly, Glu-Hyp-Gly, Pro-Ala-Gly and Ser-Hyp-Gly, a salt thereof, or a chemically modified product thereof.

Abstract: The present invention provides a voice assist apparatus capable of vocalization in a near-natural voice by correctly flowing and blocking voice assist gas during expiration and inspiration, respectively, of a patient even when the pressure inside the operation tube relatively slightly increases and decreases. In the voice assist apparatus, the main body has a first chamber connected with a second end of the voice assist gas-inlet tube, a second chamber connected with a second end of the voice assist tube, a third chamber connected with a second end of the operation tube, a dividing wall dividing between the first chamber and the second chamber except an opening communicating the first chamber with the second chamber, and a membrane formed elastically deformably to open and close the opening and isolates the third chamber from the first chamber and the second chamber.

Abstract: The present invention provides a voice assist apparatus capable of vocalization in a near-natural voice by correctly flowing and blocking voice assist gas during expiration and inspiration, respectively, of a patient even when the pressure inside the operation tube relatively slightly increases and decreases. In the voice assist apparatus, the main body has a first chamber connected with a second end of the voice assist gas-inlet tube, a second chamber connected with a second end of the voice assist tube, a third chamber connected with a second end of the operation tube, a dividing wall dividing between the first chamber and the second chamber except an opening communicating the first chamber with the second chamber, and a membrane formed elastically deformably to open and close the opening and isolates the third chamber from the first chamber and the second chamber.

Abstract: A pressure detection unit includes a first substrate and a second substrate which are disposed in opposition to each other and subject to load from the outside, a pair of electrodes provided in distribution in the first substrate and the second substrate, the electrodes being disposed linearly in opposition to each other, electrically conductive pressure-sensitive ink disposed between the pair of electrodes to cover at least one of these electrodes and having electrical characteristics which varies according to the load, and an adhesion member for adhering the first substrate and the second substrate to each other with the pair of electrodes and the pressure-sensitive ink being placed in contact with each other.

Abstract: The present invention provides a joining structure of a roof truss using thin light-gauge shaped steel. In a joining structure for joining a subsidiary roof with a main roof, a valley bracket formed by bending a thin steel sheet is inserted and disposed in the longitudinal valley direction of a joining member for joining a rafter forming the subsidiary roof with a truss or a rafter forming the main roof. In a joining structure in which a roof truss upper chord member or a rafter intersects a wall on the upper surface of the wall, a bracket formed by bending a thin steel sheet is disposed at the intersection of these members and fixes the roof truss upper chord member or the rafter to the wall.

Abstract: A protection panel having a touch input function of the analog resistance film method for detecting an X-Y coordinate representing an operated position by a potential gradient based on a touch operation relative to the front substrate 6, in which the back substrate 5 and the front substrate 6 include contacts 5G and 6G, respectively, connected to each other in series on the resistance films 5A and 6A through the routing circuits 5C and 6C to have potential difference, in which the contacts 5G and 6G face each other at a predetermined distance when the back substrate 5 and the front substrate 6 are connected to each other, and in which a switch 12 is provided for detecting, when voltage is applied by the contacts 5G and 6G between the electrodes 5D or 6D of either one of the front substrate 6 and the back substrate 5, whether or not the contacts 5G and 6G are brought into contact with each other based on voltage detected by the electrodes 5D or 6D of the other of the front substrate 6 and the back substrate 5.

Abstract: A nitride semiconductor element includes: a strain suppression layer formed on a silicon substrate via an initial layer; and an operation layer formed on the strain suppression layer. The strain suppression layer includes a first spacer layer, a second spacer layer formed on and in contact with the first spacer layer, and a superlattice layer formed on and in contact with the second spacer layer. The first spacer layer is larger in lattice constant than the second spacer layer. The superlattice layer has first layers and second layers smaller in lattice constant than the first layers stacked alternately on top of one another. The average lattice constant of the superlattice layer is smaller than the lattice constant of the first spacer layer and larger than the lattice constant of the second spacer layer.

Abstract: Provided is a fuel assembly 1 for a PWR nuclear reactor capable of stably creating transverse flows of coolant for pressing and securing control rods so as to restrain vibration of the control rods in order to restrain the outer surfaces of the control rods and the inner surfaces of control rod guide tubes from being worn, wherein an upper nozzle arranged above the fuel assembly comprises an adapter plate 6 constituting the lower structure of the upper nozzle, a side wall extended along the periphery of the adapter plate, an overhang projected into a space above the adapter plate from the upper part of the side wall, and apertures for attaching control guide tubes and passage holes, which are formed in the passage surface of the adapter plate, and wherein those 15A, 15B, 15C of the passage holes which are located at positions where the coolant impinges upon the overhang are generally arranged, line-symmetric with respect to diagonal lines of the passage surface serving as symmetric axes Q, and ligaments 21, 2

Abstract: An optical film capable of improving luminance of a display unit, in which a viewing angle in the horizontal direction of emitted light of the display unit is wider than a viewing angle in the vertical direction and the emitted light of the display unit has a polarization component in the vertical direction viewable by polarized sunglasses, an illumination system including the same, and a display unit including the same are provided. The optical film includes a plurality of three-dimensional structures extending in one direction and arranged sequentially in a direction crossing the one direction. The three-dimensional structures contain a liquid crystalline polymer having orientation, and have refractive index anisotropy in which refractive index in the extending direction of the three-dimensional structures is smaller than refractive index in the direction crossing the extending direction of the three-dimensional structures.

Abstract: An illumination apparatus is disclosed. The illumination apparatus includes a polarization plate, a light source, and a light transmission film. The light transmission film is disposed between the polarization plate and the light source and includes a plurality of prisms formed on a surface thereof, the plurality of prisms each having a ridge line in a first direction and being continuously arranged in a second direction perpendicular to the first direction. In the illumination apparatus, the light transmission film is disposed such that a ridge line direction of the plurality of prisms is one of a perpendicular direction and an approximately perpendicular direction to a transmission axis of the polarization plate.

Abstract: A nitride semiconductor device includes: a silicon substrate; a buffer layer formed on the silicon substrate and comprised of a nitride semiconductor; and an active layer formed on the buffer layer and comprised of a nitride semiconductor. The buffer layer includes a first layer formed in contact with the silicon substrate, and a second layer formed in contact with the first layer and the active layer. The carbon concentration at an interface between the first layer and the second layer is in the range of 1×1019 atoms/cm3 to 1×1021 atoms/cm3, both inclusive. The first layer has the highest carbon concentration in a portion in contact with the silicon substrate. The second layer has the highest carbon concentration in a portion in contact with the first layer, and has the lowest carbon concentration in a portion in contact with the active layer.

Abstract: A protection panel for detecting an X-Y coordinate as an operation position from a potential gradient based on a touch operation to a front substrate is provided. A rear substrate (5) has a first transparent resistive film (5A) and a contact point (5G) connected to a pair of first terminals (5D) through routing circuits (5C) so that the contact point (5G) is arranged in parallel with the first transparent resistive film (5A).