trivalency

英 /t'raɪvlənsɪ/ 美 /t'raɪvlənsɪ/

中文释义

n.三价，有三价不同的原子价

Chromium is widely distributed in nature, organisms mainly trivalent form of chromium.

铬在自然界中广泛分布, 生物体中主要以三价铬的形式存在.
The major advantages and disadvantages of trivalent chromium electroplating were introduced.

介绍了三价铬镀铬的主要优点与缺点.
The development history of trivalent chromium passivation for zinc plating was overviewed.

概述了镀锌三价铬钝化的发展历程.