Bleaching: (1) Chemical process on photographic materials, which converts the black metallic silver image into a colourless silver complex.
漂白：(1)照相材料的化学处理方法。它把黑色金属银粒的影像变成无色的银粒复合物。
The research content included the renewal of secondary fiber's activity, the effective removal of gluey materials and the bleaching of high-kappa number pulp made of secondary fiber.
研究内容包括：二次纤维活性的恢复、胶粘物的有效去除以及高硬度二次纤维纸浆的漂白。
It is widely used in industrial bleaching, sewage treatment, cleansing, shrinkproof treatment, leather and wool processing. In addition, it is also the main materials in disinfectants.
广泛应用于工业漂白、污水处理、清洗行业、防缩处理、皮毛加工，也是消毒洗涤类产品生产企业的主要原料。
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