【摘要】 目的　为估算无个人剂量监测资料时的事故剂量及流行病学研究中的剂量重建提供可行的方法。方法　用事故现场可获得的陶性材料 (红砖 )为样品 ,提取其中的石英颗粒 ,利用前剂量热释光技术进行模拟照射的剂量估算 ,并与实际照射量进行比较。结果　利用前剂量技术进行模拟照射的剂量估算具有较高的准确性。结论　初步建立了一种以事故现场材料为样品的剂量重建方法 ,并对影响测量的主要因素进行了讨论。更多还原

【Abstract】 Objective To provide a feasible method of dose reconstruction in radiation accident or in the epidemiological studies.Methods Ceramics materials (red bricks)which can be collected from the accident field were taken as samples,then quartz particles were abstracted from bricks,dose estimations using the pre-dose thermoluminescence technique were performed to simulated radiation accidents and the result of the estimations were compared with the actual radiation dose.Results The dose estimations using the pre-dose technique have shown a high accuracy.Conclusion A kind of dose reconstruction method is preliminarily established which accident field materials are used as samples,and the important factors which have a effect on the measurement were discussed.更多还原