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目的总结分析吉安市应用RGD-3B型热释光剂量仪进行放射工作人员个人剂量监测的经验,提高监测结果不确定度控制水平,减少偏差。方法统计分析2009年吉安市CDC参加全国个人剂量监测系统比对数据和2003～2009年监测工作数据,查找不确定度原因。结果不确定度来源主要有测读仪和探测器固有因素、测量操作者因素、佩戴者因素三个方面。结论通过对不确定度因素的分析控制,可有效提高监测结果数据的准确性与可信度。
OBJECTIVE To summarize and analyze the application of RGD-3B thermoluminescence dosimeter in Ji’an City to monitor the personal dose of radiation workers and to improve the control of the uncertainty of monitoring results and to reduce the deviation. Methods Statistical analysis CDA in Ji’an in 2009 to participate in the national personal dose monitoring system comparison data and 2003-2009 monitoring data to find the cause of the uncertainty. The main sources of uncertainty are the inherent factors of the reader and detector, the measurement of the operator factor and the wearer factor. Conclusion Through the analysis and control of the uncertainty factors, the accuracy and reliability of the monitoring data can be effectively improved.