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

virtual cathode n. Electronics a minimum in potential in a space charge or electron beam, from which electrons are repelled and to which positive ions are attracted.

ΚΠ

1880 London Med. Rec. 15 Oct. 405/2 We have also a virtual cathode in the immediate neighbourhood, formed by the emergence of the current from the nerve into the surrounding tissues.

1964 New Scientist 1 Oct. 29/1 It was found that a virtual cathode could be obtained with a beam current of 3·5 milliamperes or more.

2006 C. E. Stewart Weapons Mass Casualties & Terrorism Response Handbk. xv. 212 Many electrons will pass through the anode and form a bubble of space charge—the virtual cathode—behind the anode.

单词	virtual cathode
释义	> as lemmas virtual cathode virtual cathode n. Electronics a minimum in potential in a space charge or electron beam, from which electrons are repelled and to which positive ions are attracted. ΚΠ 1880 London Med. Rec. 15 Oct. 405/2 We have also a virtual cathode in the immediate neighbourhood, formed by the emergence of the current from the nerve into the surrounding tissues. 1964 New Scientist 1 Oct. 29/1 It was found that a virtual cathode could be obtained with a beam current of 3·5 milliamperes or more. 2006 C. E. Stewart Weapons Mass Casualties & Terrorism Response Handbk. xv. 212 Many electrons will pass through the anode and form a bubble of space charge—the virtual cathode—behind the anode. extracted from virtualadj.n. < as lemmas
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