| 单词 | potential barrier |
| 释义 | > as lemmaspotential barrier potential barrier n. Physics a region in a field of force in which the potential is significantly higher than at points on either side, so that a particle requires energy to pass through the region; spec. such a region surrounding the potential well of an atomic nucleus. ΘΚΠ the world > matter > physics > atomic nucleus > [noun] > region of higher potential barrier1929 potential barrier1929 potential wall1931 1929 Physical Rev. 33 134 The particle in the internal region received energy sufficient to raise it over the potential barrier. 1966 H. J. Reich et al. Theory & Applic. Active Devices iii. 64 An electron encounters a potential barrier in moving from left to right across the junction. 1995 Sci. Amer. July 73/3 The Born-Oppenheimer approximation, the penetration of electrons through potential barriers, the theory of cosmic-ray showers, neutron stars and black holes are all a vital part of contemporary physics. < 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。