【摘要】 胶片感光乳剂层中的感光物质卤化银在受到光辐射后，产生光化学反应，卤化银微晶中的电子和离子发生交替独立的重复迁移，而形成显影中心，无数个显影中心，构成潜影。经显影剂的作用，还原成可见影像。

    Zhu Yanhao，Sun Yong

    The Chemical Staff Room of Taishan Medical College’s Engineering Institute，Taishan271000

    【Abstract】 The photosensitive silver halide in film’s sensitization emulsion gets light’s irradiation，then proˉduce actionchemistry reaction.The electron and hydronium in Silver halide minicrystal produce alternate independence repeat move，form develop center.A great deal of develop center engender potential image.Potential image can be deˉoxidize into eyeable image by action of developer.

    Key words potential image actinochemistry develop

    潜影是借可显影性这一概念来定义的。早期的照相工作者把化学显影照相付诸实践时 ......