trivalent的翻译，读音

近义词

adj. tervalentteracidic

例句

But bivalent and trivalent metal salts of the phosphoric acid had little effect on properties of iPP. 而二价的钙盐、镁盐、锌盐和三价的铝盐的成核效果不明显。

The history of trivalent chromium electroplating was looked back. 回顾了三价铬镀铬的历史. 。

Development course of trivalent chromium plating was reviewed and new technology of sulphate trivalent chromium plating was introduced. 回顾了三价铬电镀的发展历程，介绍了硫酸盐体系三价铬电镀装饰铬的新工艺。

One means of accomplishing this end is to add trivalent cations to the water. 实现这一目的的一种方法是将三价阳离子加入水中. 。

The usual source of trivalent cations in water treatment is alum (aluminum sulfate). 在水处理中三价阳离子通常来源于明矾（硫酸铝） 。