英语词汇“penning trap”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	penning trap
释义	Penning trap Penning trap [′pen·iŋ ‚trap] (engineering) A device for trapping electrons and isolating single electrons, consisting of a large, homogeneous magnetic field plus a superimposed weak parabolic electric potential created by a positive charge + Q on a ring electrode and two negative charges -Q /2 each on two cap electrodes.
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Penning trap