Vocab Bloom Hub

secondary emission

/ˈsɛkəndəri ɪˈmɪʃən/

翻译: 指物体表面受到初级粒子(如电子或离子)轰击时发射出电子或其他粒子的现象,常用于物理学和电子学领域。

1 个条目

phrase

/ˈsɛkəndəri ɪˈmɪʃən/C1formalscientific
  • zh指物体表面受到初级粒子(如电子或离子)轰击时发射出电子或其他粒子的现象,常用于物理学和电子学领域。

The emission of electrons or other particles from a surface when it is bombarded by primary particles, such as electrons or ions, often used in physics and electronics contexts.

  1. Emission of secondary particlesC2formal

    The release of electrons or other particles from a material when it is struck by primary particles, such as electrons or ions.

    zh二次发射

    • Secondary emission occurs when high-energy electrons hit a metal surface.
    • The photomultiplier tube relies on secondary emission to amplify signals.
    • Scientists studied secondary emission to improve detector sensitivity.