In order to precede resisting-ultraviolettreatment, at first analyzing some characteristics of colored cotton, including its physics performance and chemical property.
为了对天然彩色棉进行抗紫外线处理，首先分析了彩色棉自身的一些特点，包括它的物理性能和化学性能。
2
ULTRAVIOLET light has long been used in water-treatment plants to help with disinfection.
紫外线消毒灯一直被用于水处理厂。
3
The ultraviolet ray disinfection and the ultraviolet ray assistance senior oxidation technology in the water treatment is gradually taken care by people.