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瞬发γ射线中子活化分析仪
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瞬发γ射线中子活化分析仪
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工学
辐射型元素分析仪
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prompt gamma-ray neutron activation analyzer
瞬发γ射线中子活化分析仪
利用反应堆、加速器或同位素中子源产生的中子轰击被测样品,样品中原子核与中子发生核反应在极短的时间内,释放出不同能量(2千~10兆电子伏特)的特征γ射线,根据特征γ射线的能量以及强度对元素种类及含量进行实时在线测量的装置或仪器。
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three field notation of scheduling
three-field notation of scheduling
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three-field system
three-figure number
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three-five compound III-V
three-fixes on forest resource
three flow conjecture
three-flow conjecture
three focuses
three-fold
threefold axis
threefold branch point
three-fold classification
threefold degeneracy
three-fold integration of hollowed village consolidation
threefold [symmetry] axis
threefold symmetry axis
three-fold transitivity
three formations of society
Three Forts of Hebei
Three Forts of Heyang
three fourths
Three Friends Society
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