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目前Ｘ射线诊断检查的类型有５０种以上。据联合国原子辐射效应科学委员会（ＵＮＳＣＥＡＲ）报告书称，１９８７年全世界仅Ｘ射线诊断检查约有１７．２亿人次，Ｘ射线诊断的医疗照射成为最大的人工辐射来源［１］。因而提高Ｘ射线影像质量，Ｘ射线诊断水平，减少受检者及...
There are currently more than 50 types of X-ray diagnostic tests. According to the report of the United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR), only 1.72 billion X-ray diagnostic tests were conducted worldwide in 1987, and X-ray medical exposure became the largest source of artificial radiation [1]. Thus improving the X-ray image quality, X-ray diagnostic level, reduce the subjects and ...