Gas-filled tube

（重定向自Discharge tube）

Noble gas discharge tubes; from left to right: helium, neon, argon, krypton, xenon

Other gases in discharge tubes; from left to right: hydrogen, deuterium, nitrogen, oxygen, mercury

Voltage-current characteristics of electrical discharge in neon at 1 torr, with two planar electrodes separated by 50 cm.
A: random pulses by cosmic radiation
B: saturation current
C: avalanche Townsend discharge
D: self-sustained Townsend discharge
E: unstable region: corona discharge
F: sub-normal glow discharge
G: normal glow discharge
H: abnormal glow discharge
I: unstable region: glow-arc transition
J: electric arc
K: electric arc
The A-D region is called a dark discharge; there is some ionization, but the current is below 10 microamperes and there is no significant amount of radiation produced.
The D-G region exhibits a negative differential resistance
The F-H region is a region of glow discharge; the plasma emits a faint glow that occupies almost all the volume of the tube; most of the light is emitted by excited neutral atoms.
The I-K region is a region of arc discharge; the plasma is concentrated in a narrow channel along the center of the tube; a great amount of radiation is produced.

A gas-filled tube, also known as a discharge tube, is an arrangement of electrodes in a gas within an insulating, temperature-resistant envelope. Gas-filled tubes exploit phenomena related to electric discharge in gases, and operate by ionizing the gas with an applied voltage sufficient to cause electrical conduction by the underlying phenomena of the Townsend discharge.

单词	Discharge tube
释义	Discharge tube 英语例句库 Jiangnan Discharge Tube Co., Ltd has became the most livingly company in the area of discharge tube, depend on our special technology, the most innovative products and driving development. 我们以独特的生产技术、最具创新力的产品以及强劲的发展势头，成为生产二极管领域最具活力的企业，实现持续、长远、高速发展。英语百科 Gas-filled tube （重定向自Discharge tube） A gas-filled tube, also known as a discharge tube, is an arrangement of electrodes in a gas within an insulating, temperature-resistant envelope. Gas-filled tubes exploit phenomena related to electric discharge in gases, and operate by ionizing the gas with an applied voltage sufficient to cause electrical conduction by the underlying phenomena of the Townsend discharge.
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