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目的为保证放射工作人员热释光个人剂量测量数据的准确性,评定其不确定度。方法分析不确定度来源,通过计算给出不确定度。结果 相对扩展不确定度为8.2%。结论个人剂量测量不确定度主要受刻度因子、探测器重复性和发光系统偏差3个分量的影响。
Objectives To assess the accuracy of individual dosimetry data for radiographers and evaluate their uncertainty. Method to analyze the source of uncertainty, given by the calculation of uncertainty. The relative expanded uncertainty of the result is 8.2%. Conclusion The uncertainty of individual dose measurement is mainly affected by three factors: scale factor, detector repeatability and light system deviation.