5.將活度A的射源(原子序為Z,半衰期為T1/2)永久插植在病人體內,則其發射輻射(emitted radiation)為多少?
(A)0.693A×T1/2
(B)1.44A×T1/2
(C)0.693A×Z/T1/2
(D)1.44A×Z/T1/2
答案:登入後查看
統計: A(49), B(1315), C(39), D(75), E(0) #3132602
統計: A(49), B(1315), C(39), D(75), E(0) #3132602