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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
Encyclopedia
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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method of multipliers
method of no-method
method of nonstandard analysis
method of nuclear recoil
method of oblique projections
method of observation
method of opposability
method of optimal coefficients
method of optimal elimination
method of optimization
method of orbits
method of orthogonal projection
method of paired comparison
method of parabolas
method of parallel translation
method of parameter introduction
method of partial fractions
method of partial waves
method of path coefficients
method of peak area measurement
method of peak height measurement
method of peak value measurement
method of penalty functions
method of persuasion education
method of phase diagrams
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