68.99Mo的半衰期為67小時,99mTc的半衰期為6小時,當99Mo與99mTc達到平衡時,99mTc與99Mo的活度比值 為多少?
(A)0.86
(B)1.10
(C)0.94
(D)1.06
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統計: A(316), B(597), C(1147), D(252), E(0) #1741009
統計: A(316), B(597), C(1147), D(252), E(0) #1741009