“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	circuminscribed circumjovial circumlunar circumlunar flight circumlunar orbit circumlunar satellite circumlunar space circumlunar trajectory circum-medial triangle circummeridian altitude circumnavigation circumnormal triangle circumnuclear Circumnuclear Disc circumnuclear disk circumnuclear star formation circumnuclear star-forming ring circumnutation circumoral crown circum-orthic triangle circumoval precipitin test Circum-Pacific tectonic domain circum-pacific volcanic chain circumpharyngeal nerve circumplanetary

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