Abstract: A thermoelectric conversion material contains a matrix composed of a semiconductor and nanoparticles disposed in the matrix, and the nanoparticles have a lattice constant distribution ?d/d of 0.0055 or more.

Abstract: Provided is a synthetic single-crystal diamond containing nitrogen. In an X-ray absorption fine structure thereof, a ratio I405/I412 between an intensity I405 of a peak which appears at an energy of 405±1 eV and has a full width at ¾ maximum of 3 eV or more and an intensity I412 of a peak which appears at an energy of 412±2 eV is less than 1.

Abstract: A covered electrical wire comprises a conductor and an insulating covering layer provided outside the conductor, the conductor being a stranded wire composed of a plurality of copper alloy wires composed of a copper alloy and twisted together, and has a wire diameter of 0.5 mm or less, the copper alloy containing Ni, or Ni and Fe in an amount of 0.1% by mass or more and 1.6% by mass or less in total, and P in an amount of 0.05% by mass or more and 0.7% by mass or less, with a balance being Cu and impurities, in the copper alloy, a ratio of precipitation of P to solid solution of P being 1.1 or more.

Abstract: A thermoelectric conversion material contains a matrix composed of a semiconductor and nanoparticles disposed in the matrix, and the nanoparticles have a lattice constant distribution ?d/d of 0.0055 or more.

Abstract: A thermoelectric conversion material contains a matrix composed of a semiconductor and nanoparticles disposed in the matrix, and the nanoparticles have a lattice constant distribution ?d/d of 0.0055 or more.

Abstract: A covered electrical wire comprises a conductor and an insulating covering layer provided outside the conductor, the conductor being a stranded wire composed of a plurality of copper alloy wires composed of a copper alloy and twisted together, and has a wire diameter of 0.5 mm or less, the copper alloy containing Ni, or Ni and Fe in an amount of 0.1% by mass or more and 1.6% by mass or less in total, and P in an amount of 0.05% by mass or more and 0.7% by mass or less, with a balance being Cu and impurities, in the copper alloy, a ratio of precipitation of P to solid solution of P being 1.1 or more.

Abstract: A thermoelectric conversion material contains a matrix composed of a semiconductor and nanoparticles disposed in the matrix, and the nanoparticles have a lattice constant distribution ?d/d of 0.0055 or more.

Abstract: A polypropylene based sealant film for retort packaging includes a film made of a resin composition that contains 70 to 85 wt % of a propylene/ethylene block copolymer (a) and 15 to 30 wt % of a low-density polyethylene based polymer (b), wherein, as for the propylene/ethylene block copolymer (a), a proportion of a 20° C. xylene insoluble portion is 75 to 85 wt % relative to 100 wt % of (a), a limiting viscosity ([?]H) of the insoluble portion is 1.7 to 2.0 dl/g, and a limiting viscosity ([?]EP) of a soluble portion is 3.0 to 3.4 dl/g, and the low-density polyethylene based polymer (b) has a density of 0.900 to 0.930 g/cm3 and a melt flow rate of 1 to 10 g/10 minutes.