单选题半衰期与衰变常数的关系为()。A T1/2=ln2/λB T1/2=λ/1n2C T1/2=λ/1n10D T1/2=ln10/λE T1/2=λln2

题目
单选题
半衰期与衰变常数的关系为()。
A

T1/2=ln2/λ

B

T1/2=λ/1n2

C

T1/2=λ/1n10

D

T1/2=ln10/λ

E

T1/2=λln2


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