请输入您要查询的英文单词:

 

单词 mesothorium
释义 meso·thorium
\|me]zō, |mē], ]sō+\ noun
Etymology: New Latin, from mes- + thorium
: either of two radioactive products intermediate between thorium and radiothorium in the thorium series or a mixture of the two products obtained usually from thorium minerals (as monazite sand) and used as a substitute for radium especially in luminous paints:
 a. : an isotope of radium — called also mesothorium 1; symbol MsTh1 or Ra228
 b. : an isotope of actinium — called also mesothorium 2; symbol MsTh2 or Ac228
随便看

 

英语词典包含332784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。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/2/5 1:48:41