【摘要】 介绍四个射线曝光数学模型,特别是"约曝"公式在实际透照检验中的应用。借助于这些数学模型,可迅速、准确、合理地选择能达到影象质量要求的曝光参数。更多还原

【Abstract】 A description is given on the four mathematic models for radiographic exposure particu-larly the application of"limit exposure"formula to practical inspection.Quick,accurate and reasontablechoice of the exposure parameters meeting the requirements of image quality can be realized by using themethod.更多还原