| 行李X光安检仪和医用X射线诊断仪一样 |
| 添加时间：2019/7/16 14:13:50 浏览次数： |
| 行李X光安检仪和医用X射线诊断仪一样，都是通过用X光照射被检测对象以获得对象内部图像的，但包裹安检仪的辐射剂量要远小于医用X光诊断，因为包裹安检的图像并不需要达到医疗诊断级别的分辨率。 Luggage X-ray security analyzer, like medical X-ray diagnostic instrument, uses X-ray to illuminate the detected object to obtain the internal image of the object, but the radiation dose of the package security analyzer is much less than that of medical X-ray diagnosis, because the image of package security inspection does not need to reach the resolution of medical diagnosis level. 根据国家标准GB 15208.1-2005规定，X光安检仪的单次检查剂量不应大于5µGy，同时在距离设备外表面5cm的任意处（包括设备入口、出口处）X射线剂量应小于5µGy/h[2]，此标准与美国FDA的标准相同。 According to the national standard GB 15208.1-2005, the single inspection dose of X-ray security detector should not be greater than 5 Gy, and the X-ray dose should be less than 5 Gy/h[2] at any place (including the entrance and exit of the equipment) 5 cm away from the external surface of the equipment, which is the same as the FDA standard. |
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