首页  英汉  汉英  英英  词组  用法  例句  同义词  写作  俚语  缩写  词源  词根  法汉  德汉  日汉  俄汉  韩汉  西汉  意汉  泰汉  越汉

单词	conduction band
释义	conduction band noun : the range of permissible energy values which an electron in a solid material can have that allows the electron to dissociate from a particular atom and become a free charge carrier in the material compare valence band Example Sentences Recent Examples on the Web In chemistry, bandgap is the distance between the conduction band and the valence band of the material’s atoms. Caroline Delbert, Popular Mechanics, 11 May 2022 The ability of a solid material to conduct electricity depends on the ability to flow electrons from the valence band to the conduction band. Willy Shih, Forbes, 4 Oct. 2021 In a light-emitting diode, electrons drop out of the conduction band by losing energy in the form of light. Chris Lee, Ars Technica, 22 July 2019 For this to work, the energy difference between the conduction band and the valence band needs to be reversed. Chris Lee, Ars Technica, 1 June 2019 Instead of directly absorbing energy, electrons can also tunnel through barriers to get to the conduction band. Chris Lee, Ars Technica, 1 June 2019 Word History First Known Use 1939, in the meaning defined above
随便看	escape escape artist escape clause escape cover escape covert escape death escape detection escape hatch escape hatches escape key escape mechanism escape note escape one's attention escape opening escape reaction escape room escape rooms escape someone's mind escape someone's notice escape the ax escape tone escape valve escape valves escape velocity escape wheel

英语词典包含469781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。