论文部分内容阅读
50年前,X射线和γ射线已被广泛应用在各个领域,时至今日,射线无损检测更是呈现出迅猛的发展势头,甚至这些学科的名称也发生了变化.以往大多数辐射检测方法均被称作射线照相,现在则统称为射线学,正如ASTM所定义的,射线学是“X射线,γ射线、中子和其它穿透辐射的科学和应用(ASTM E1316—92)”.射线照相则专门表示利用胶片或类似胶片的方法.实时成象检测技术则指电子方法,即“图象随着物体成象时间非常快速变化的方法(ASTM E1316—92)”.此外,射线学还包括层析射线照相法、背散射检测、测量方法和其它各种辐射检测方法.进入21世纪以后,上述各项技术将会进一步发展.
50 years ago, X-ray and γ-ray have been widely used in various fields. Up to now, ray non-destructive testing has shown a rapid development trend, and even the names of these disciplines have changed. In the past, most of the radiation detection methods Known as radiography, now collectively referred to as radiology, as defined by ASTM, radiology is “X-ray, gamma-ray, neutron and other penetrating radiation science and applications (ASTM E1316-92).” Radiography Specifically refers to the use of film or similar film method.Real-time imaging detection technology refers to the electronic method, “the image with the object imaging time very rapid change method (ASTME1316-92).” In addition, the ray also includes Tomography, backscatter detection, measurement methods and various other radiation detection methods.After entering the 21st century, the above technologies will further develop.