| 单词 | retarding field |
| 释义 | > as lemmasretarding field retarding field n. Physics an electric field used to slow down electrons or other charged particles passing through it. ΚΠ 1912 H. A. Bumstead & A. G. McGougan in Amer. Jrnl. Sci. 33 323 The direct radiation contains a component which is much less affected by the retarding field than the secondary radiation alone. 1950 Jrnl. Physical Soc. Japan 5 339/1 Electrons could enter the retarding field..only a single time. 2005 R. E. March & J. F. Todd Quadrupole Ion Trap Mass Spectrometry (ed. 2) v. 163 The retarding field was induced by the application of a variable DC voltage to a hemispherical mesh electrode. < as lemmas |
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