specific activity

短语

[化] 比活; 比活度; 比放射性; 放射性比度 [医] 特殊活动

词形变化

specific activities 复数

释义与例句

n.
  1. 1.

    The activity per unit mass of a radionuclide: number of decays per unit time, per mass.

    物理
  2. 2.

    Used other than figuratively or idiomatically: see specific, activity.