Trivalent是什么意思

用法例句

Study on Trivalent Chromium Electroplating Process in Chloride System;

氯化物体系三价铬电镀工艺研究

Corrosion resistance comparison of trivalent chromium passivation film on zinc based on different zinc plating processes;

不同镀锌层的三价铬钝化膜耐蚀性能比较

The effects of the components of trivalent chrome passivation bath on the appearance and corrosion resistance of the passivating film are investigated.

研究了三价铬黑色钝化液组分对钝化层外观和耐蚀性的影响。

The bath compositions of trivalent chrome black passivation for zinc plating coating were optimized by orthogonal test method and the effects of operation conditions on the appearance and the corrosion resistance of the passivation film were investigated.

采用正交试验法对镀锌层三价铬黑色钝化工艺组分进行优化,研究了工艺参数对钝化膜外观和耐蚀性的影响。

The bath compositions of trivalent chrome black passivation for zinc-iron alloy coating were optimized by orthogonal test method.

采用正交试验法对锌-铁合金镀层三价铬黑色钝化工艺进行优化,并研究了工艺参数对钝化膜外观和耐蚀性等影响。

Cr(Ⅲ) passivation possesses as good performance as Cr(Ⅵ) passivation, but .

三价铬钝化在许多方面具有与六价铬钝化相似的性质,而毒性却只有六价铬的1%,是六价铬钝化最有可能被接受的替代品,得到了研究者的广泛关注。

Different kind of Cr-free passivation,the characters and mechanism of Cr(Ⅲ)passivation was briefly introduced.

简述了镀锌板无铬钝化的各种类型以及三价铬钝化的特点与机理。