It was discovered for the first time that a kind of rareearthsalt with specific structure had good initial stability to PVC.
首次发现了特定结构的稀土盐对PV C良好的初期稳定性能。
2
The results showed that rareearthsalt solution could be reused and as a anti-corrosion pigment, the time was longer, the anti-corrosion capacity was better.
稀土交换硅胶作为防锈颜料防腐蚀作用对长期效果有利。
3
An environmentally-friendly chemical polishing and passivation process was established for copper and its alloys, using a rareearthsalt in the passivation solution.