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介绍了在核电站核岛安装中焊缝无损检验时应用γ射线探伤的方法。内容包括γ射线探伤设备、γ射线放射源的选择;不同部件上焊缝无损检验γ射线探伤的方法:X,γ射线照相的灵敏度及其比较;γ射线照相的优点及其应用。
The method of γ ray inspection applied to the nondestructive testing of weld in nuclear island installation is introduced. Including γ-ray detection equipment, γ-ray source selection; different components on the weld non-destructive testing γ-ray detection methods: X, γ-ray radiography sensitivity and comparison; advantages and applications of gamma-ray photography.