| 单词 | ion trap |
| 释义 | > as lemmasion trap ion trap n. a device designed to catch or trap ions; spec. one in a cathode ray tube or television camera tube that prevents ionized molecules from reaching the screen or the target and causing an ion spot. ΘΚΠ the world > matter > physics > atomic physics > ion > [noun] > current of ions > device catching ion trap1905 the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > cathode-ray tube > [noun] > damage to tube > device eliminating spot ion trap1940 1905 W. H. Bragg & R. D. Kleeman in London, Edinb. & Dublin Philos. Mag. 6th Ser. 10 321 An arrangement which we find to be of great importance is the ion-trap which is placed under the gauze of the ionization chamber. 1940 D. G. Fink Princ. Television Engin. viii. 342 The ion spot may..be eliminated by an ingenious construction in the electron gun known as an ‘ion trap’. 1989 Independent (Nexis) 13 Nov. (Science section) 17 Put simply, an ion trap confines the motions of charged atomic particles (usually atoms with one electron removed) in a small region of space. 2008 Sci. Amer. (U.K. ed.) Aug. 49/2 Groups at Alcatel–Lucent and Sandia National Laboratories have fabricated even fancier ion traps on silicon chips. < as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。