| 单词 | townsend avalanche |
| 释义 | > as lemmasTownsend avalanche 1. attributive. Designating phenomena and concepts demonstrated by or relating to Townsend's work on the conduction of electricity through gases, as Townsend avalanche, Townsend current, etc.See also Ramsauer–Townsend n. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > [adjective] > relating to gas conduction Townsend1902 electrogasdynamic1967 1902 London, Edinb. & Dublin Philos. Mag. 6th Ser. 4 41 I think it is probable some additional ionization due to the Townsend effect has come in to make αp too large. 1956 Nature 25 Feb. 391/1 The possibility of using the Townsend electron avalanche process in a gas in a stage-by-stage system to give a highly stable electron-multiplication factor. 1968 H. A. Romanowitz & R. E. Puckett Introd. to Electronics xiv. 563 As the voltage is increased from zero, the dark current (called Townsend current..) increases slowly until the voltage approaches that at which the tube operates with a glow discharge. 1982 Nature 28 Oct. 774/1 The main agents of discharges are electrons that participate in Townsend avalanches. 2006 Jrnl. Electrostatics 64 370/2 The plasmas are maintained by the Townsend field. < as lemmas |
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