A new colour reaction of the quaternary complex system of cobalt has been studied.
研究了钴的新型多元络合物体系的显色反应。
Sprayed the colour system to the surface of the steel substrate to have color reaction, contrast the standard color levels to analyse to the steel extent of corrosion.
将显色体系溶液喷涂到钢铁基材表面进行显色反应，对照标准色阶对钢铁锈蚀程度定量分析。
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