half-value period

 
  • 半壽命,半衰期

half-value period的用法和樣例:

例句

  1. The time it takes for half of its original amount to decay is called the half-life.
    衰變至只剩下原來(lái)數目一半所需的時(shí)間稱(chēng)為該核素的半衰期。
  2. It is not necessary to wait until half of a sample has decayed in order to measure the halflife.
    不必一直等到樣品衰變一半之后才測量它的半衰期。

half-value period的相關(guān)資料:

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