“痕量富集”的概念、定义、翻译、参考文献-科学参考

单词	痕量富集
释义	痕量富集 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	distribution transformer distribution transformerarea automation distribution type test distribution vessel distribution with negative skewness distribution with positive skewness distribution zonality of renewable resources distribution多元超几何分布 distributive distributive algebra distributive binary operation distributive composition law distributive element distributive ideal distributive identity distributive inequality distributive lattice distributive law distributively generated near-ring distributive map of exploration engineering in ore district distributive module distributive multiplication distributive operation distributive operator distributive property

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