post color number是什么意思

用法例句

Studies on the Relationship between the Discoloration of Edible Laver and the Contents of Pigments and Metal Elements;

养殖紫菜的退色现象与其色素及金属元素含量关系的研究

The bleaching time of this electrochromic device was less than 2s and this electrochromic device had a character of self-erasing process.

利用这种电致变色溶液设计成电致变色器件,通过紫外-可见分光光度计表征,这种溶液型电致变色器件透过率变化在600nm附近可由80％降低到20％;通过电致变色器件和透射光强变化的关系,测得其退色时间<2s,并且具有自擦除效果。

Brief Review on Discoloration,Bleaching and Dyeing of Wood;

从3个方面扼要论述了影响木材变退色的因素、木材漂白的方法及其影响因子、染色处理。