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１ 前言已经知道，用可见光曝光测定Ｘ线胶片性能时，加工方法对胶片的性能是有影响的［１］。而用Ｘ射线直接曝光法测定Ｘ线胶片性能时，也与加工方法有关。在国际标准ＩＳＯ５７９９－１９８１（Ｅ）中没有说明加工方法，但指出，得到的感光度和平均斜率与加工所用药品、每
1 Foreword It is already known that the method of processing affects the film’s performance when exposed to visible light for X-ray film performance [1]. X-ray direct exposure method for the determination of X-ray film performance, but also with the processing methods. In the international standard ISO5799-1981 (E) did not explain the processing methods, but pointed out that the sensitivity and the average slope obtained with the processing of drugs, each