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符合计数法
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coincidence counting method
符合计数法
对于大部分发生α、β或电子俘获(EC)方式发生衰变的放射性核素,通过测量在时间上相互关联(或有符合关系)的级联衰变事件(如α-γ,β-γ或X、e-γ)来得到核素原子核放射性活度的方法。
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optical measurement system
optical measuring angle comparator
optical measuring techniques in explosion and impact
optical medium
optical medium materials
optical memory
optical memory, optical storage
optical meter
optical metrology
optical micrometer
optical microscope
optical microscope analysis
optical microscope particle size measurement
optical microscopy
optical milling
optical mineralogy
optical mixing
optical mixing, photomixing
optical mode
optical mode-division multiplexing transmission system
optical mode division switching,OMDS
optical model
optical modulation
optical modulation analyzer
optical modulator
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