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单词 Crookes space
释义

Crookes space

English

Etymology

After Sir William Crookes, English chemist, who first described it.

Noun

Crookes space (plural Crookes spaces)

  1. (physics, dated) The dark space within the negative-pole glow at the cathode of a vacuum tube, observed only when the pressure is low enough to give a striated discharge.

Synonyms

  • Crookes layer
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