colourant meaning in Chinese

n.
颜料，染料。

This course concentrates on the chemical characteristics of dyes and pigments , with emphasis on attempts to interpret their colouring and fastness properties in terms of the essential structural features of colourant molecules . some important intermediates and their uses in the synthesis of major chromophores are also indicated
本课程主要针对染颜料化学结构与化学性质对其染色性、色光以及牢度的关联予以探讨,当然也探讨一些重要染颜料以及中间体的制备。