“prompt gamma-ray neutron activation analyzer”的概念、定义、翻译、参考文献-科学参考

单词	prompt gamma-ray neutron activation analyzer
释义	prompt gamma-ray neutron activation analyzer Encyclopedia 工学辐射型元素分析仪释 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。
随便看	position measurement position micrometer position of a game position of point symmetry position of readiness for action position of similarity position of symmetry position of the conduction band position of the people's police position of the valence band position on stage position operator in position representation position parameter position plane position point position reporting position representation position retrieval Positions and Proper Motions Star Catalogue position sensitive detector position sensitive proportional counter position sensor position servo system position space renormalization group position strap-down inertial guidance

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