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单词 Poulsen arc
释义

Definition of Poulsen arc in English:

Poulsen arc

noun
historical
  • An arc discharge produced between a carbon electrode and a water-cooled copper electrode in an atmosphere of hydrogen or hydrocarbon vapour and a strong magnetic field, formerly used to generate continuous high-frequency radio waves for radio-telegraphy.

Origin

Early 20th century; earliest use found in The Electrician.

Definition of Poulsen arc in US English:

Poulsen arc

noun
historical
  • An arc discharge produced between a carbon electrode and a water-cooled copper electrode in an atmosphere of hydrogen or hydrocarbon vapour and a strong magnetic field, formerly used to generate continuous high-frequency radio waves for radio-telegraphy.

Origin

Early 20th century; earliest use found in The Electrician.

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更新时间:2025/8/3 21:13:38