The photographic elements contain a blue - sensitive hydrophilic colloid silver halide emulsion layer.
照像材料含有亲水胶体的感蓝卤化银卤剂层。
The hydrophilic-lipophilic balance determines the type of emulsion formed and is controlled by the chemical composition of the surfactant.
亲水亲油平衡值确定所形成的乳状液的类型，并取决于表面活性剂的化学成份。
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