| 摘要 |
PCT No. PCT/JP89/00189 Sec. 371 Date Jun. 21, 1990 Sec. 102(e) Date Jun. 21, 1990 PCT Filed Feb. 23, 1989 PCT Pub. No. WO90/04796 PCT Pub. Date May 3, 1990.The present invention is a scintillator which emits light in response to radiation. The scintillator is capable of being reversibly changed between solid and liquid phases, whichever is desired, by temperature control. The scintillator comprises a fluorescent substance for converting radiation energy into light energy; a solvent which transfers radiation energy to the fluorescent substance and dissolves and diffuses the fluorescent substance and a radioactive substance acting as an object of measurement to thereby homogenize them; and a fixing substance which enables the solvent, the fluorescent substance and the radioactive substance to be fixed in a solid state and also liquified upon heating, the fixing substance being capable of phase change reversibility.
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