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通过对5组已知真实值的个人剂量探测计进行检测,比较测量值和真实值的偏差,并评定不确定度,确保个人剂量检测结果的准确性。检测值与真实值的偏差为-10.00%~-18.67%,不确定度最大为9%。检测值与真值的偏差及不确定度均符合GBZ 128—2002《职业性外照射个人监测规范》的相关要求。
By testing five groups of personal dosimeters with known real values, the deviations between the measured values and the true values are compared, and the uncertainty is assessed to ensure the accuracy of individual dose detection results. The deviation between the measured value and the true value is -10.00% ~ -18.67%, and the maximum uncertainty is 9%. Deviations and uncertainties of the detection value and the true value are in line with the relevant requirements of GBZ 128-2002 “Personal External Monitoring Standards for Occupational Exposure”.