Abstract: Reliability of a scintillator structure is improved. The scintillator structure includes a plurality of cells and a reflective layer covering the plurality of cells. Here, each of the plurality of cells includes a resin and a phosphor, and the resin has a decrease rate of a total light transmittance that is less than 8% with respect to light having a wavelength of 542 nm after X-ray irradiation of a dose of 100 kGy.

Abstract: Reliability of a scintillator structure is improved. The scintillator structure includes a plurality of cells and a reflective layer covering the plurality of cells. Here, each of the plurality of cells includes a resin and a phosphor, and the resin includes a main agent including bi-7-oxabicyclo[4. 1. 0] heptane and a curing agent. Alternatively, each of the plurality of cells includes a resin and a phosphor, and the resin includes a main agent and a curing agent. The main agent includes: 3,4-epoxy cyclohexyl-methyl-(3,4-epoxy) cyclohexane carboxylate; and 1, 2-epoxy-4-(2-oxiranyl) cyclohexane adduct of 2, 2-bis(hydroxymethyl)-1-butanol.

Abstract: An insulated electric wire is composed of a conductor, and an insulating layer disposed around an outer circumference of the conductor. The insulating layer is formed from a fluorine-containing elastomer composition, and the fluorine-containing elastomer composition includes a base polymer (A) including 70% by mass or more and 98% by mass or less of a copolymer (a1) of tetrafluoroethylene and an ?-olefin having 2 to 4 carbon atoms, and 2% by mass or more and 30% by mass or less of an ethylene-ethyl acrylate copolymer (a2) (excluding an ethylene-ethyl acrylate-maleic anhydride ternary copolymer), and a flame retardant (B) including an antimony compound (b1) and a bromine-based flame retardant (b2), and including 1 part by mass or more and 9 parts by mass or less of the antimony compound (b1), and 0.3 parts by mass or more and 15 parts by mass or less of the bromine-based flame retardant (b2) per 100 parts by mass of the base polymer (A).

Abstract: An insulated electric wire is composed of a conductor, and an insulating layer disposed around an outer circumference of the conductor. The insulating layer is formed from a fluorine-containing elastomer composition, and the fluorine-containing elastomer composition includes a base polymer (A) including 70% by mass or more and 98% by mass or less of a copolymer (a1) of tetrafluoroethylene and an ?-olefin having 2 to 4 carbon atoms, and 2% by mass or more and 30% by mass or less of an ethylene-ethyl acrylate copolymer (a2) (excluding an ethylene-ethyl acrylate-maleic anhydride ternary copolymer), and a flame retardant (B) including an antimony compound (b1) and a bromine-based flame retardant (b2), and including 1 part by mass or more and 9 parts by mass or less of the antimony compound (b1), and 0.3 parts by mass or more and 15 parts by mass or less of the bromine-based flame retardant (b2) per 100 parts by mass of the base polymer (A).

Abstract: An insulation composition includes 100 parts by mass of a resin component, 2 parts by mass or more and 20 parts by mass or less of zinc tin oxide, and 0.3 parts by mass or more and 15 parts by mass or less of a bromine flame retardant. A resin component includes a first component including a copolymer of tetrafluoroethylene and alfa-olefin with the carbon number of 2 or more and 4 or less, and a second component including ethylene-ethylacrylate copolymer. Mass proportion of the first component in the resin component is 70 percent by mass or more and 98 percent by mass or less. Mass proportion of the second component in the resin component is 2 percent by mass or more and 30 percent by mass or less.

Abstract: There is provided an insulaled wire, comprising: a conductor; and an insulated coating layer provided on an outer circumference of the conductor, wherein the insulated coating layer is made of a fluorine-containing elastomer composition containing a base polymer containing tetrafluoroethylene-?-olefin copolymer in which tetrafluoroethylene and ?-olefin having 2 to 4 carbon atoms are polymerized, and having low smoke emission in which a target value of an optical density at the time of performing a smoke emission test based on a test method BS6853 is A0 (ON) or less represented by the following formula (1), and A0 (OFF) or less represented by the following formula (2), when an outer diameterof the insulated wire is defined as d [mm], A0(ON)={(tan?1(d/45)×180/?)/45}?{(tan?1(d)×180/?)/2025}??(1) A0(OFF)=1.5×A0(ON) ??(2); and low toxicity in which toxic gas total index is 1.0 or less when a toxicity test is performed based on a test method NFX-70-100.

Abstract: A fluorine-including elastomer composition includes a fluororesin component including a first fluorine-including copolymer including a tetrafluoroethylene and an ?-olefin having a carbon number of 2 to 4 and a second fluorine-including copolymer including an ethylene-tetrafluoroethylene copolymer, a polyethylene resin mixed in an amount of 10 to 50 parts by mass per 100 parts by mass of the fluororesin component, and a crosslinking aid. A mass ratio of the first fluorine-including copolymer to the second fluorine-including copolymer is 90:10 to 10:90.

Abstract: A fluorine-containing elastomer composition includes a fluorine-containing resin including a copolymer of tetrafluoroethylene and ?-olefin having carbon number of 2 to 4. The copolymer of tetrafluoroethylene and ?-olefin having carbon number of 2 to 4 is configured such that a peak integrated value of ?132 ppm relative to a peak integrated value 10,000 of ?110 to ?125 ppm falls within the range of 0.3 to 2.0 in nuclear magnetic resonance analysis.

Abstract: A gas ring has a ring shape and includes: a gas inlet hole through which a gas is introduced from outside the gas inlet hole into the gas ring; a plurality of gas jets that ejects the gas transferred from the gas inlet hole; and a plurality of branched paths extending along the ring shape from the gas inlet hole to each of the plurality of gas jets. Here, distances between each of the plurality of gas jets to central parts, which are branch points of each of the plurality of branched paths, are identical to each other.