“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	prediction of protein relative molecular mass prediction of rodent infestation prediction of solar activity prediction of stochastic processes prediction of strata movement prediction of subcellular localization prediction of time series prediction of transcription initiation site prediction of valid period of pharmaceutical preparations prediction of water bursting in mine tunnel prediction of water bursting in recovery working face prediction paradox prediction principle prediction procedure prediction program prediction purpose prediction region prediction sufficiency prediction technology prediction technology of reservoir fracture prediction theorem prediction theory prediction unit cube prediction variable predictive analysis

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