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本文就１９９４年徐州市已经开展个人剂量测试的部分医用诊断Ｘ线工作者的当年工作量，用归一化的方法进行了剂量估算，同时与个人剂量测试的结果进行比较。结果二种方法均显示年剂量在年限值以内，说明徐州市医用诊断Ｘ线工作者的工作环境及条件是安全的。但是使用３０ｍＡ以下小型Ｘ线机而没有采取隔室透视措施的，这部分人员的受照剂量较高，提示今后应注意和加强小型Ｘ线机的防护。
In this paper, the dose of current year’s workload of some medical diagnostic X-ray workers who had conducted individual dose test in Xuzhou city in 1994 was estimated by the normalized method and compared with the result of individual dose test. Results Both methods showed that the annual dose was within the age limit, indicating that the working environment and conditions of X-ray workers in Xuzhou were safe. However, the use of small 30mA X-ray machine and did not take compartment perspective measures taken, this part of the higher doses of personnel, suggesting that the future should pay attention to and strengthen the protection of small X-ray machine.