“portable energy dispersive X-ray fluorescence analyzer”的概念、定义、翻译、参考文献-科学参考

单词	portable energy dispersive X-ray fluorescence analyzer
释义	portable energy dispersive X-ray fluorescence analyzer Encyclopedia 工学人工放射性勘查仪器释 portable energy dispersive X-ray fluorescence analyzer便携式能量色散X射线荧光分析仪利用微型X射线管或放射性同位素源激发待测物质中的原子，使之产生荧光（特征X射线），从而进行物质成分分析的仪器。又称手持式X荧光多元素/合金/矿石分析仪。
随便看	left coset left coset decomposition left coset space left decomposition left delimiter of an entry left denominator left derivation left derivative left derived functor left differentiability left differentiable function left differential left differential coefficient left dimension left directed quasiorder left directed set left direct product left displacement left displacement operator left distributive law left distributivity left division left division algorithm left divisor left divisor of zero

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