照相化学 photograph chemistry
- 大苏打:英文是硫代梳酸钠的简称。是显影后把照相影像定影的化学剂。
Hypo: Abbreviation for sodium hyposulphite, a chemical used to fix photographic images after development. - 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。
Bleaching: (1) Chemical process on photographic materials, which converts the black metallic silver image into a colourless silver complex. - 以用被称为“湿盘法”冲洗照片为例,这一步骤需要多名照相操作员一丝不苟的进行繁复的操作,其间需要许多化学试剂和器材。
Taking and developing photos using the so-called "wet-plate" process was a meticulous, multi-step procedure that required more than one "camera operator" and lots of chemicals and equipment.
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