[ 单选题 ] 常识 中 

一级反应中药物的半衰期公式为 )
  • A、 
    t1/2 = 0. 693/k
  • B、 
    t1/2 = C0/2k
  • C、 
    t1/2 =0. 1054/k
  • D、 
    t1/2 = 1/C0k
  • E、 
    t1/2 =0. 693 k
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