请输入您要查询的字词:

 

单词 Pickering series
释义 Pickering series
[`pik·riŋ ´sir·ēz]
SPECTROSCOPY
A series of spectral lines of singly ionized helium, observed in very hot O-type stars, associated with transitions between the level with principal quantum number n = 4 and higher energy levels.
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。

 

Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号 更新时间:2024/12/26 4:50:07