the colour system is of higher sensitivity and selectivity without extraction procedure.
此显色体系灵敏度较高,选择性较好。
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,对照标準色阶对钢铁锈蚀程度定量分析。
the colour system used by scientists and artists are completely different.