请输入您要查询的字词:

 

单词 valence
释义 valence
[`vā·lǝns]
BIOCHEMISTRY
The relative ability of a biological substance to react or combine.
CHEMISTRY
A positive number that characterizes the combining power of an element for other elements, as measured by the number of bonds to other atoms which one atom of the given element forms upon chemical combination; hydrogen is assigned valence 1, and the valence is the number of hydrogen atoms, or their equivalent, with which an atom of the given element combines.
MATHEMATICS
The number of lines incident on a specified point of a graph.
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:2024/6/30 19:21:01