单词 | rotational sum rule |
释义 | rotational sum rule [rō`tā·shǝn·ǝl `sǝm ´rül] SPECTROSCOPY The rule that, for a molecule which behaves as a symmetric top, the sum of the line strengths corresponding to transitions to or from a given rotational level is proportional to the statistical weight of that level, that is, to 2J+1, where J is the total angular momentum quantum number of the level. |
随便看 |
|
科学参考收录了103327条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。