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单词
nuclear radiation method
释义
nuclear radiation method
Encyclopedia
工学
检测技术
释
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。
随便看
graph of a mapping
graph of an equation
graph of an operator
graph of a relation
graph of broken lines
graph of direct proportion
graph of inverse proportion
graph of partial orders
graph of reservoir operation
graphoid
graph OLAP
graphology
graph operation
graph order
graph orientation
graphosphere
grapho-vocal method
graph paper
graph parameter
graph periphery
graphplan
graph planning
graph power
graph product
graph property test
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