delayed neutron

短语

[化] 缓发中子

词形变化

delayed neutrons 复数 delayed neutrons

释义与例句

n.
  1. 1.

    A neutron produced by nuclear fission which is emitted upon the radioactive decay of a fission product nucleus sometime later, rather than at the time of the fission itself. Less than 2% of fission neutrons are delayed neutrons (the exact proportion depends on the nuclide being fissioned).