前言该法是在美籍华人学者丁大川等(1978)提出的测定镜质组最大反射率的两种方法(以45°角间距旋转物台测定法和以45。角间距旋转起偏镜测定法)基础上加以改进而试验成功的。它与丁氏法的不同之处,在于不是旋转物台或起偏镜,而是取下起偏镜,加入分析镜,以45°间距旋转分析镜测定镜质组的反射率。校正系数的求法和最大反射率的计 Preface This method is in the Chinese Chinese scholar Ding Da-chuan et al (1978) proposed two methods for determining the maximum reflectance of the vitrinite (45 ° angular rotation of the object and 45 ° angular rotation polarizer determination Law) based on the improvement and successful trial. It differs from the Buttmann method in that instead of rotating the stage or the polarizer, the polarizer is removed, the analyzer is added, and the reflectance of the vitrinite is measured at a 45 ° pitch rotational analyzer. The calculation of the correction factor and the calculation of the maximum reflectance