Lenard ray

短语

[医] 勒纳氏射线(通过放电管外的阴极射线)

词形变化

Lenard rays 复数 Lenard rays

释义与例句

n.
  1. 1.

    One of the rays that emanate from the outer surface of a plate composed of any material permeable by cathode rays, such as aluminium, which forms a portion of a wall of a vacuum tube, or which is mounted within the tube and exposed to radiation from the cathode.

    过时

词源

Named after the German physicist Philipp Lenard, who first described them.

来源：wiktionary