beta-decay

英['biːtədɪk'eɪ] 美['biːtədɪk'eɪ]
  • β衰变
  • beta n.贝它;希腊字母的第二个字母
  • heparin n.肝素;肝磷脂
名词 beta decay:
  1. radioactive decay of an atomic nucleus that is accompanied by the emission of a beta particle