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我院是一家二级甲等医院。有大型Ｘ线机三台。其中西门子 80 0ｍＡＸ线机一台 ,北京产 30 0ｍＡＸ线机和 5 0 0ｍＡＸ线机各一台。保持长期稳定的Ｘ线片质量 ,涉及多方面的因素。本文就这方面的问题进行一些探讨。1 材料与方法本文材料取自 1998～ 2 0 0 0年 3年的Ｘ线片 ,采
Our hospital is a two level first-class hospital. There are three large X-ray machine. One Siemens 80 0mAX line machine, a Beijing 30 0mAX line machine and a 500mAX line one. Maintaining long-term, stable X-ray quality involves many factors. This article discusses some of the issues in this area. 1 Materials and Methods The material taken from 1998 to 2000 three years X-ray film mining