1 • • • • ↓ ( 23 3 23 ) 1 Bq = 1 s-1 1g 1Ci=3.7×1010Bq (1mCi=37MBq) 2 1 Gy = 1 [J/kg] = × * Gy * Sv) =Σ × Σ (ICRP Pub.103, 2007) 3 ( ) → ( ) → ↑ → ↑ → ↑ → ↑ 100% 0.25Gy" 0.5Gy" 1.5Gy" 4Gy" 1 2 *( ) 7Gy" 100% *" 15Gy 2 100% ( )" 50Gy 1~2 100% (( ) )" 0.15Gy 3.5 6Gy 0.65 1.5Gy 2.5 6Gy ( 8 ) 0.1Gy ( 8 8 ) 0.1Gy 8 ) 0.5 1Gy 0.2Gy 3Gy 2Gy (Bergonie-Tribondeau 4 0.50-1.0 1.3-2.0 2.0-2.2 2.2-3.1 (mSv) (T