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核辐射法检测技术
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核辐射法检测技术
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检测技术
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nuclear radiation method
核辐射法检测技术
利用由放射性同位素所发射的α 、β 、γ等射线与被测对象物质的作用,如反射、吸收、电离或使物质激发而射出新的射线(如X射线),通过测量电离程度或吸收、反射后射线强度(活度)及产生的新射线的能谱和强度等,实现对被测对象有关量的检测技术。
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ancient bridge
ancient bronze casting technique
Ancient Building Complex in the Wudang Mountains World Culture Heritage
ancient building fire
Ancient Buildings at Dawan Village
Ancient Buildings at Gaoyi Village
Ancient Buildings at Nanshe Village and Tangwei Village
ancient buildings at Qingcheng Mountains
Ancient Buildings at Shanggantang Village
ancient buildings at Yangliu Village
Ancient Buildings at Yushantun
Ancient Buildings at Yutou Dong Village
ancient buildings at Yuyuan Village
Ancient Buildings at Zhangguying Village
ancient buildings at Zhengyimen
ancient building surveying
ancient camphor tree at Qionglai City
ancient camphor tree in Faxiang temple
ancient cartography
Ancient Cedar Mountain of Huanglong in Songmingxian
Ancient Cedar Tree in Zhong Temple in Qionglai
ancient ceramic relics restoration technology
Ancient Characters by Using Inscription on Bronzes
ancient chart
ancient Chinese academy
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