Abstract: An object is to provide a SiC wafer in which a detection rate of an optical sensor can improved and a SiC wafer manufacturing method. The method includes: a satin finishing process S141 of satin-finishing at least a back surface 22 of a SiC wafer 20; an etching process 21 of etching at least the back surface 22 of the SiC wafer 20 by heating under Si vapor pressure after the satin finishing process S141; and a mirror surface processing process S31 of mirror-processing a main surface 21 of the SiC wafer 20 after the etching process S21. Accordingly, it is possible to obtain a SiC wafer having the mirror-finished main surface 21 and the satin-finished back surface 22.

Abstract: An antibacterial polyacrylonitrile-based synthetic fiber suitable for synthetic hair that is superior in an antibacterial property and texture, a method for producing the fiber, and a headdress product containing the fiber are provided. The antibacterial polyacrylonitrile-based synthetic fiber contains a quaternary ammonium salt (B) represented by formula (1): and a non-ionic surfactant (C), that are attached to a polyacrylonitrile-based synthetic fiber (A). The non-ionic surfactant (C) contains a sorbitan fatty acid ester (C1) and polyoxyethylene triglyceride (C2). The amount of the quaternary ammonium salt (B) attached is between 0.05 mass % and 0.3 mass % both inclusive with respect to a total mass of the antibacterial polyacrylonitrile-based synthetic fiber. The amount of the non-ionic surfactant (C) attached is between 0.15 mass % and 0.9 mass % both inclusive with respect to the total mass of the antibacterial polyacrylonitrile-based synthetic fiber.

Abstract: A silicon carbide single crystal includes a region in which a change of a specific resistance is repeated in a growth direction of the silicon carbide single crystal, and the change of the specific resistance is a gradual increase and decrease of the specific resistance. A changing range of the specific resistance may be within a range from 0.5% to 50% inclusive. A changing period of the gradual increase and decrease of the specific resistance that is repeated may be 500 ?m or less in terms of a length of the silicon carbide single crystal.

Abstract: A supply system for supplying ozone to an engine includes an electrolysis part that electrolyzes water to generate hydrogen and oxygen, a first supply part that supplies hydrogen generated by the electrolysis part to an intake pipe of the engine, an ozone generation part that generates ozone from oxygen generated by the electrolysis part, and a second supply part that supplies ozone generated by the ozone generation part to the intake pipe.

Abstract: A purification system for purifying exhaust gas from an engine includes a separation part that separates oxygen and nitrogen contained in air, an ozone generation part that generates ozone from oxygen separated by the separation part, and a supply part that supplies ozone generated by the ozone generation part to an intake pipe and an exhaust pipe of the engine. The purification system includes a supply control device that adjusts an amount of ozone supplied to the intake pipe and an amount of ozone supplied to the exhaust pipe according to a purification rate of exhaust gas of the engine.

Abstract: An electrophotographic member comprising: a base material; an elastic layer on the base material; and a surface layer on the elastic layer, wherein the elastic layer comprises silicone rubber, the surface layer comprises fluoro rubber, a thickness of the surface layer is 3 ?m or more, an elastic deformation power ?IT calculated from a load displacement curve, obtained with a nanoindentation test according to ISO 14577 by bringing a Vickers indenter into contact with an outer surface of the surface layer and setting a test load at 120 ?N, is 30 to 50%, and a Martens hardness determined by the nanoindentation test at the outer surface of the surface layer is 12.0 to 18.0 N/mm2.

Abstract: The automatic suitability determination system includes a check document storing part, a check document retrieving part, a determination test execution part, and a suitability determination part. The check document storing part stores suitability check documents. The check document retrieving part is configured to read out the suitability check document related to a determining target component of operational suitability from the check document storing part. The determination test execution part is configured to read information contained in the suitability check document read out by the check document retrieving part and to execute tests of suitability determination items specified in the suitability check document by making the determining target component of the operational suitability operate based on the information.

Abstract: Provided is a fixture tool for securing a bio-textured organ model created by reproducing or deforming the texture and appearance of an actual organ for manipulation training. The fixture tool includes a fixture body and a plurality of holding parts attachable to and detachable from the fixture body. The fixture body includes: integrally connected plates composed of a rectangular center plate and mutually opposing first and second plates rotatably connected to both long sides of the center plate via hinges; and a leg attached to the lower surface of the center plate. The first and second plates have a locking section for securing the holding part. The holding part has a holding surface capable of holding the bio-textured organ model. The holding part is configured such that the holding surface inclines relative to a plate surface when the holding part is secured to the first and second plates.

Abstract: A printing apparatus includes a drying unit configured to be movable to a first operating position where a print medium subjected to printing by a printing unit is dried, and to a first retracted position retracted from the first operating position. The apparatus also includes a supporting unit provided facing the drying unit and configured to be movable independently of the drying unit to a second operating position where the print medium to be dried by the drying unit is supported, and to a second retracted position retracted from the second operating position.

Abstract: A raw material gas is supplied to a space in which a silicon carbide seed crystal is placed. A silicon carbide single crystal is grown on the seed crystal by keeping a monosilane partial pressure at 4 kPa or more and heating the space to a temperature of 2400° C. to 2700° C. The temperature of the space and supply of the raw material gas are controlled such that a temperature gradient of a growth crystal surface of the silicon carbide single crystal in a radial direction is 0.1° C./mm or less, and a radius of curvature of the growth crystal surface is 4.5 m or more, thereby producing a silicon carbide single crystal ingot having a growth length of 3 mm or more and an internal stress of 10 MPa or less. The ingot is then cut into a silicon carbide single crystal wafer.

Abstract: Provided is a conductor material having high conductivity. The conductor material according to an embodiment of the present disclosure has a configuration in which a conjugated polymeric compound having an electron donating group containing a heteroatom in a side chain is doped with a dopant containing an anion selected from a nitrogen anion, a boron anion, a phosphorus anion and an antimony anion, and a counter cation. The anion is preferably an anion represented by Formula (1) below: where R1 and R2 are identical or different, and each represent an electron withdrawing group; and R1 and R2 may be bonded to each other to form a ring with an adjacent nitrogen atom.

Abstract: A surface-treated copper foil includes, on at least one surface of an untreated copper foil, a finely roughened layer formed of copper particles in which primary particles have a particle size of 10 nm to 110 nm or less, and a heat-resistant-treatment layer containing nickel and phosphorus, wherein a treated surface has a surface area ratio of 5.1 or more per 1 m2 of a two-dimensional area, the surface area ratio being calculated from a specific surface area measured by a krypton gas adsorption BET method, and a coating mass of the nickel is 2 mg or more per 1 m2 of a surface area.

Abstract: Provided is a dopant with which a conductor material having high electrical conductivity can be formed. The present disclosure relates to a dopant containing a radical cation represented by Formula (1) and a counter anion. In Formula (1), R1 to R3 may be the same or different, and each denotes a monovalent aromatic group or a group represented by Formula (r). at least one of R1 to R3 is a group represented by Formula (r), and n indicates the valence of the radical cation and is equal to the quantity (n) of nitrogen atoms in the formula. In Formula (r), Ar1, Ar2, and Ar3 may be the same or different, and each denotes a divalent aromatic group, and Ar4, Ar5, Ar6, and Ar7 may be the same or different, and each denotes a monovalent aromatic group optionally having a substituent represented by Formula (sb) below. Furthermore, m and n may be the same or different, and each represents an integer of 0 or greater.

Abstract: Described are a plant disease control composition with enhanced efficacy and improved rainfastness of D-tagatose, and a plant disease control method using the composition. The plant disease control composition includes D-tagatose as an active ingredient, an oil component and a surfactant, and is effective against plant diseases, especially diseases caused by fungi and bacteria.

Abstract: Described are antibacterial acrylic artificial hair fibers containing chitosan and a nonionic surfactant. The amount of chitosan extracted with diluted acetic acid is 0.005% by weight to 0.4% by weight. The amount of chitosan extracted with concentrated hydrochloric acid is 0.013% by weight to 1.3% by weight. The nonionic surfactant contains a sorbitan fatty acid ester and a polyoxyethylene triglyceride. The amount of the nonionic surfactant is 0.1% by weight to 0.9% by weight, and the percentage of the sorbitan fatty acid ester in the nonionic surfactant is 20% by weight to 90% by weight.

Abstract: A surface-treated copper foil includes, on at least one surface of an untreated copper foil, a finely roughened layer formed of copper particles in which primary particles have a particle size of 10 nm to 110 nm or less, and a heat-resistant-treatment layer containing nickel and phosphorus, wherein a treated surface has a surface area ratio of 5.1 or more per 1 m2 of a two-dimensional area, the surface area ratio being calculated from a specific surface area measured by a krypton gas adsorption BET method, and a coating mass of the nickel is 2 mg or more per 1 m2 of a surface area.

Abstract: A manufacturing method of a silicon carbide single crystal includes growing the silicon carbide single crystal on a surface of a seed crystal by supplying a supply gas including a raw material gas of silicon carbide to the surface of the seed crystal and controlling an environment so that at least a part inside the heating vessel is 2500° C. or higher. The growing the silicon carbide single crystal includes controlling a temperature distribution ?T in a radial direction centering on central axis of the seed crystal and the silicon carbide single crystal satisfies a radial direction temperature condition of ?T?10° ° C. on the surface of the seed crystal before the growing of the silicon carbide single crystal and on a growth surface of the silicon carbide single crystal during the growing of the silicon carbide single crystal.

Abstract: Provided are: a method of producing a therapeutic agent for skin lesions suitable for treatment or prevention of a skin lesion such as a bedsore; and a therapeutic agent for skin lesions produced by the production method. The method of producing a therapeutic agent for skin lesions characterized by including a mixing step of mixing earthworm castings with water and a collecting step of collecting vaporized water generated from a mixture obtained in the mixing step to obtain a liquid; and the therapeutic agent for skin lesions produced by the production method. It is preferred to further mix an organic substance together with the earthworm castings and the water in the mixing step.

Abstract: Provided are a method for manufacturing a silicon carbide single crystal, which can suppress conversion of threading edge dislocations into prismatic plane dislocations and conversion of the prismatic plane dislocations into basal plane dislocations; and a silicon carbide single crystal ingot and a silicon carbide wafer, in which conversion from threading edge dislocations into prismatic plane dislocations and conversion from the prismatic plane dislocations into basal plane dislocations have been suppressed. A silicon carbide single crystal is grown on the surface of a seed substrate by a gas method so that a temperature gradient in the radial direction of the seed substrate takes a predetermined value or lower during the growth.

Abstract: Provided are a method for manufacturing a silicon carbide single crystal, and a silicon carbide single crystal ingot which ensure a high crystal growth rate and increase the ratio of conversion from basal plane dislocations to threading edge dislocations. The method prepares a seed substrate composed of silicon carbide having an off-angle in a [1-100] direction with respect to a {0001} plane; and grows a silicon carbide single crystal layer on the seed substrate by an HTCVD method, thereby converting basal plane dislocations contained in the seed substrate to threading edge dislocations during crystal growth.