请输入您要查询的字词:

 

单词 para-
释义 para-
[`par·ǝ]
ORGANIC CHEMISTRY
Chemical prefix designating the positions of substituting radicals on the opposite ends of a benzene nucleus, for example, paraxylene, CH3C6H4CH3. Abbreviated p-.
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:2024/7/1 2:33:10