…the specific name for the joule per kilogram (J/kg), with the symbol Gy. It is named after the British radiation physicist LH Gray (1905-65) and was adopted into the International System of Units (SI) in 1975. Previously, the rad was used as the unit of absorbed dose. … *Some of the terminology that mentions "Gray, LH" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…ジュール/キログラム(J/kg)に固有の名称で,記号Gy。名は,イギリスの放射線物理学者グレーL.H.Gray(1905‐65)にちなんだもので,1975年国際単位系(SI)に採用された。以前は,ラド(rad)が吸収線量の単位として用いられた。… ※「Gray,L.H.」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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