Determination of Cr(ⅵ) in Chrome Plating Solution by Direct Brown 1 Discoloring Spectrophotometry Effect of auxiliary coordination agent in the deposition of chromium from chromic sulfate electrolyte 直接金驼褪色光度法测定镀铬溶液中Cr(Ⅵ)三价铬硫酸盐溶液镀硬铬的辅助配位剂研究
Preparation of modified dog hair protein discoloring agent and its application on decolorization of dyeing and printing wastewater 改性狗毛蛋白脱色剂的制备及在印染废水脱色方面的应用研究
This is because a discoloring agent composed of a high polymer structure has been added to the clothing material. 热敏变色衣料颜色会随温度变化而不断变化,这是因为在衣料中添加了由高分子材料制成的变色剂。