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beta decay

/ˈbiːtə dɪˈkeɪ/

翻译: 一种放射性衰变,不稳定的原子核发射β粒子(电子或正电子)以及中微子或反中微子,从而使元素的原子序数发生改变。

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phrase

/ˈbiːtə dɪˈkeɪ/C1formalscientific
  • zh一种放射性衰变,不稳定的原子核发射β粒子(电子或正电子)以及中微子或反中微子,从而使元素的原子序数发生改变。

A type of radioactive decay in which an unstable atomic nucleus transforms by emitting a beta particle (an electron or positron) and a neutrino or antineutrino, changing the atomic number of the element.

  1. Radioactive decay processC2formal

    A type of radioactive decay in which a beta particle (an electron or a positron) is emitted from an atomic nucleus.

    zh放射性衰变过程

    • Beta decay is a fundamental process in nuclear physics.
    • During beta decay, a neutron transforms into a proton.
    • Scientists study beta decay to understand the weak nuclear force.