Abstract: A 980 MPa or more hot-dip galvanized steel sheet with high ductility, high stretch flangeability, bendability, and high local ductility, is provided. The sheet includes a base steel sheet and a hot-dip galvanized layer and has a predetermined chemical composition and a steel structure such that at a ¼ thickness position of the base steel sheet, an area ratio is 30% or more for martensite, 70% or less for ferrite, and 10% or less for retained austenite, and in a region up to a depth of 10 ?m from the surface, the area ratio of martensite is 5% or more, and the area ratio of martensite is 80% or less of the area ratio of martensite at the ¼ thickness position of the base steel sheet. A diffusible hydrogen content in a low temperature region within the base steel sheet is 0.015 mass ppm or less.

Abstract: A controller for a punching device configured to sequentially punch a sheet base material into a predetermined shape while feeding the sheet base material in the longitudinal direction acquires image information on the sheet base material from an imaging device, determines, based on the image information, whether there is a specific reserved-for-punching area, which is a reserved-for-punching area that overlaps a defective site included in the sheet base material, and shifts the reserved-for-punching area determined to be the specific reserved-for-punching area to the upstream side of the feeding path for the sheet base material with respect to the defective site if there is the specific reserved-for-punching area.

Abstract: Provided is a high-strength steel sheet that is excellent in all of strain dispersibility, ductility, bendability, and delayed fracture resistance under atmospheric corrosion conditions in the coated state. The steel sheet has a predetermined chemical composition and microstructure, where an average value [?q] of plastic deformation initiation stress ?q measured by a nanoindentation method at the ¼ thickness position of the steel sheet is 1.70 GPa or more and 3.30 GPa or less, standard deviation ?q of the ?q is 0.42 GPa or less, and when an average value of plastic deformation initiation stress ?s measured by a nanoindentation method at the 10 ?m position from the steel sheet surface is defined as [?s], the proportion of measurement points having values less than 0.85×[?s] is 30.0% or less.

Abstract: Provided is a high-strength steel sheet that is excellent in all of member strength, stretch flangeability, bendability, and delayed fracture resistance under atmospheric corrosion conditions in the coated state. The steel sheet has a predetermined chemical composition and microstructure, where an average value [?q] of plastic deformation initiation stress ?q measured by a nanoindentation method at the ¼ thickness position of the steel sheet is 2.50 GPa or more and 4.10 GPa or less, standard deviation ?q of the ?q is 0.30 GPa or less, and when an average value of plastic deformation initiation stress ?s measured by a nanoindentation method at the 10 ?m position from the steel sheet surface is defined as [?s], the proportion of measurement points having values less than 0.85×[?s] is 25.0% or less.

Abstract: A steel sheet and a member having high strength and excellent stretch flangeability and toughness, and methods for producing the same, are disclosed. The steel sheet has a chemical composition containing, in mass %, C, Si, Mn, P, Al, N, Ti, Nb, and B in specified contents, in which the total area fraction of martensite and bainite is 95% or more, the retained austenite area fraction is 5% or less, the ferrite area fraction is 1% or less, the prior-austenite grain size is 10 ?m or less, the C concentration in a prior-austenite grain boundary is equal to or more than 1.5 times the C content in steel, the B concentration in the prior-austenite grain boundary is 0.05% or more in mass %, and the variation in B concentration within the same prior-austenite grain boundary is less than 0.010% in mass %.

Abstract: Provided are a food hygiene management device, a food hygiene management system, a food hygiene management method, and a non-transitory computer-readable recording medium whereby labor and time spent on food hygiene management can be reduced and hygiene management can be performed more hygienically. This food hygiene management device comprises: a core temperature acquisition unit that acquires core temperature information indicating the core temperature of a food item; a picture acquisition unit that acquires picture data of the food item; a reading unit that reads a food information image including an acceptable range with respect to the core temperature of the food item, and recognizes the acceptable range; and a screen generation unit that generates a composite picture display screen displaying composite picture data including the core temperature information, information about the date/time at which the core temperature was measured, the acceptable range, and the picture data for the food item.

Abstract: Some embodiments relate to a population of engineered natural killer cells, wherein the NK cells express at least one polypeptide selected from the group consisting of human leukocyte antigen E, human leukocyte antigen F, and human leukocyte antigen G. The NK cells comprise a genetically engineered disruption of one or more copies of endogenous ?-2 microglobulin and a genetically engineered disruption of one or more copies of a human leukocyte antigen class II-related gene selected from the group consisting of regulatory factor X associated ankyrin containing protein, regulatory factor 5, regulatory factor X associated protein, and class II transactivator. A method of producing human pluripotent stem cell-derived engineered natural killer cells under feeder free conditions also is provided, as is a method of treating a disease or disorder in a subject by administering the NK cells to the subject.

Abstract: Provided is a high strength steel sheet that has excellent YR and a decreased amount of hydrogen trapped in steel under an acid immersion environment. The high-strength steel sheet has a chemical composition containing, in mass %, C: 0.030% to 0.500%, Si: 0.01% to 3.00%, Mn: 0.10 % to 6.00%, P: 0.100% or less, S: 0.0200% or less, Al: 1.000% or less, N: 0.0100% or less, O: 0.0100% or less, and Sb: 0.002% to 0.300%, with the balance being Fe and inevitable impurity. The steel microstructure at a ¼ sheet thickness position has a martensite area fraction of 30% or more, a ferrite area fraction of 70% or less, and a retained austenite volume fraction of 20.0 % or less, and a surface layer concentration index of Sb is 1.2 or more.

Abstract: Provided is a hot-dip galvanized steel sheet having high strength, high ductility, high stretch flangeability and bendability, and reduced anisotropy of stretch flange fracture. The hot-dip galvanized steel sheet comprises: a base steel sheet; and a hot-dip galvanized layer formed on a surface thereof, wherein the base steel sheet includes: a predetermined chemical composition; and a microstructure at a position ¼ the sheet thickness from the surface of the base steel sheet in a depth direction in which an area ratio of martensite is 10% to 80%, an area ratio of ferrite is 20% to 90%, an area ratio of retained austenite is 10% or less, and a proportion of an area ratio of ferrite having {001} orientation to that of all ferrite is 0.50 or less, and a low-temperature-range diffusible hydrogen content in the base steel sheet is 0.015 mass ppm or less.

Abstract: A high-strength steel sheet has a tensile strength of 1180 MPa or more. The high-strength steel sheet has a component composition containing C: 0.090 mass % or more and 0.390 mass % or less, Si: 0.01 mass % or more and 2.00 mass % or less, Mn: 2.00 mass % or more and 4.00 mass % or less, P: 0.100 mass % or less, S: 0.0200 mass % or less, Al: 1.000 mass % or less, N: 0.0100 mass % or less, and O: 0.0100 mass % or less, with a remaining part consisting of Fe and inevitable impurities; and a microstructure. In the microstructure, an area ratio of martensite is 70% or more, an area ratio of ferrite is 10% or less, an area ratio of retained austenite is 10% or less, and a proportion of the number of martensite blocks in which metastable carbides are present to the number of martensite blocks is 2% or more.

Abstract: Provided is a high-strength steel sheet excellent in component strength, ductility, stretch flangeability, bendability of sheared end surface portions, and low-temperature toughness. The high-strength steel sheet comprises: a predetermined chemical composition; and a microstructure at a position of ¼ of a sheet thickness of the high-strength steel sheet in which an area ratio of martensite is 10% to 80%, an area ratio of bainite is 2% to 70%, an area ratio of ferrite is 80% or less, an area ratio of retained austenite is 15% or less, and a proportion of a number of martensite blocks in which metastable carbides are present to that of martensite blocks is 2% or more, wherein when nanohardness is measured at 225 points or more at the position of ¼ of the sheet thickness, a standard deviation ?n of the nanohardness is 0.60×[Hn]ave or less.

Abstract: A test strip holder includes: a holding member at which at least a portion of a lower side of an inner periphery is a cylindrical surface having a cylindrical shape, and at whose interior a test strip is held, and at which a direction of an imaginary central axis of the cylindrical surface is a horizontal direction or a direction inclined with respect to a vertical direction; an opening portion provided in an outer surface of the holding member; a sorting member rotating at an interior of the holding member around a rotation axis that coincides with the central axis; a pushing piece projecting out from a distal end edge, which is parallel to the central axis, at the sorting member in a direction of rotation of the sorting member; and a sorting piece projecting out from a distal end of the pushing piece toward the cylindrical surface.

Abstract: Provided is a hot-dip galvanized steel sheet that has a high YR, as well as high ductility, stretch flangeability, and bendability, improved shear workability, and a TS of 1,180 MPa or more. The base steel sheet of the hot-dip galvanized steel sheet has a defined chemical composition and steel microstructure. In particular, a number ratio of retained austenite (?) having an aspect ratio of 2.0 or less is more than 50%, a number of bins of hardness frequency: 0.25 or more is 1, the area ratio of quenched martensite in a surface layer is 80% or less, a surface layer softening thickness is 10 ?m or more and 100 ?m or less, and the amount of low temperature range diffusible hydrogen is 0.015 mass ppm or less.

Abstract: Provided is a high strength steel sheet having high strength and excellent component strength, ductility, stretch flangeability, bendability, and warm workability. The high strength steel sheet has a chemical composition containing, in mass %, C: 0.030% to 0.500%, Si: 0.01% to 2.50%, Mn: 0.10% to 5.00%, P: 0.100% or less, S: 0.0200% or less, Al: 1.000% or less, N: 0.0100% or less, and O: 0.0100% or less, with the balance being Fe and inevitable impurity. At a ¼ sheet thickness position, the steel microstructure is such that area fractions are 60% or more martensite, 40% or less ferrite, and 20% or less retained austenite, and the lattice constant aM of martensite satisfies the following 1. 0 ? 0 ? 0 ? 0 ? 5 ? a M / a R ? 1.005 .

Abstract: A test strip container includes: an accommodating member in which a test strip is accommodated; a moving member moving the test strip therein; a door member opening and closing at a side surface of the accommodating member to discharge the test strip out of the accommodating member, and cutting the interior and the exterior of the accommodating member off from each other when closed; a door accommodating portion covering the door member, in which the door member can open and close; and a discharge opening cutting the interior and an exterior of the door accommodating portion off from each other when closed, and is provided at the door accommodating portion so as to open and close to discharge the test strip to the exterior of the door accommodating portion, the discharge opening being able to open when the accommodating member is closed by the door member.

Abstract: A steel sheet has a specific chemical composition and a steel microstructure including, in terms of area fraction, ferrite: 60% or more and 85% or less, bainite: 3% or more and 15% or less, retained austenite: 3% or more and 15% or less, fresh martensite: 3% or more and 15% or less, and the remainder: 5% or less. Cementite particles are present in the retained austenite, a ratio of an area fraction of the cementite particles in the retained austenite to an area fraction of the retained austenite is 5% or more and 25% or less, and the steel sheet has a tensile strength of 590 MPa or more and less than 780 MPa.

Abstract: A steel sheet according to the present invention has a specific chemical composition and a steel microstructure including, in terms of area fraction, ferrite: 20% or more and 60% or less, a total of bainite and tempered martensite: 25% or more and 60% or less, retained austenite: 7% or more and 20% or less, fresh martensite: 8% or more and 40% or less, and the remainder: 5% or less. Cementite particles are present in the retained austenite, a ratio of an area fraction of the cementite particles in the retained austenite to an area fraction of the retained austenite is 5% or more and 25% or less, and the steel sheet has a tensile strength of 980 MPa or more.

Abstract: A high strength steel sheet with a chemical composition containing C, Si, Mn, P, S, Al, N, Nb, Ti, and B, where [% Si]/[% Mn] is 0.10 or more and 0.60 or less, and free Ti content determined from Formula (1), below, is 0.001 mass % or more, with the balance being Fe and inevitable impurity. In a steel sheet surface layer, a total amount of Nb solute and 100 nm or smaller precipitate is 0.002 mass % or more. free ? Ti ? content ? ( % ) = [ % ? Ti ] - ( 47.9 / 14. ) × [ % ? N ] - ( 47.9 / 32.

Abstract: A base steel sheet is disclosed having a specified chemical composition and a steel microstructure at a quarter thickness position containing specified ranges of ferrite, fresh martensite, retained austenite, bainite, tempered bainite, and tempered martensite, the value obtained by dividing the total area fraction of isolated island-like fresh martensite and isolated island-like retained austenite by the sum of the area fraction of fresh martensite and the volume fraction of retained austenite in a ferrite grain is 0.65 or more, the isolated island-like fresh martensite and the isolated island-like retained austenite in the ferrite grain has an average grain size of 2.0 ?m or less, and the amount of diffusible hydrogen in the base steel sheet is 0.50 ppm by mass or less.

Abstract: A manufacturing device of a laminated structure body has: a pair of crimping members disposed to face with each other; a cushion material having flexibility and conductivity on a portion of at least one crimping member of the pair of crimping members facing the other crimping member; a crimping device to hold, press, and crimp a plurality of laminated sheet-shaped members between the one crimping member and the other crimping member so as to constitute a laminated structure body; and, a short-circuit inspection circuit that detects presence or absence of a short-circuit spot in the laminated structure body during a process where the crimping device crimps the plurality of sheet-shaped members in one piece to constitute the laminated structure body.