略語大辞典 [Phys] 21 Bq Becquerel ベクレル. 放射能単位. 壊変毎秒. 1ベクレルは1秒間に1放射性核種の壊変.Becquerel; a unit of radio activity in SI unit system; ref. Ci(curie); 1 Ci = 3.7×1010 Bq; [Phys:Med]. 丸善「略語大辞典」JLogosID : 11867827