“trace enrichment”的概念、定义、翻译、参考文献-科学参考

单词	trace enrichment
释义	trace enrichment Encyclopedia 理学【分离方法】释 trace enrichment痕量富集从大量母体物质中搜集欲测定的痕量元素至一较小的体积，从而提高其含量至测定下限以上的分析方法。痕量物质一般指试样中含量低于0.01%的物质，如果它的含量低于分析方法的测定下限，就必须采用预富集的办法。
随便看	intercolumnar intercolumniation intercom intercombination intercombination line intercombination transition intercommunicate intercommunication intercommunication system intercommunion intercomparison intercompilation intercondenser interconnected interconnected control interconnected system interconnecting network interconnecting transformer interconnection interconnection and connection in electronic equipment interconnection method of fanqie interconnection network interconnections between viscerae and bowels interconnector interconsistency

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