branching ratio

短语

[化] 分支比

词形变化

branching ratios 复数 branching ratios

释义与例句

n.
  1. 1.

    In radioactivity, the portion of all decays that take a given pathway. For example, californium-252 decays by alpha decay ~97% of the time, and by spontaneous fission ~3% of the time; so the branching ratio is about 0.97 in favor of alpha decay, and about 0.03 in favor spontaneous fission.