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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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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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non linear functional analysis
non-linear functional analysis
nonlinear functional analysis
nonlinear geometry
nonlinear hyperbolic
nonlinear hyperbolic equation
nonlinear hyperbolic system
nonlinear ill-posed problem
nonlinear incidence geometry
nonlinear incidence structure
nonlinear inequality
non-linear infall
nonlinear input output model
nonlinear input-output model
nonlinear instability
nonlinear integral equation
nonlinear integral operator
nonlinear integrated optics
non-linear interaction
nonlinear interaction
non-linear inverse theory of dynamic geodesy
nonlinearity
nonlinearity parameter
nonlinear junction detector
nonlinear Klein Gordon equation
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