“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	index formula index fossil index fund index glass index glass, index mirror index guided waveguide laser index-guided waveguide laser index gymnastics indexicality indexing Indexing and Abstracting in Theory and Practice indexing by adding a new word indexing control indexing depth Indexing It All:The Subject in the Age of Documentation, Information, and Data indexing method indexing methods of Chinese characters indexing pair indexing quality indexing service indexing set Indexing to Chinese Books indexing with subject headings indexization index law

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