“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	Smale-Hirsch theorem Smale horseshoe Smale horseshoe map Smale map Smale problem Smale,Stephen Smale theorem small abalone small and medium enterprises cluster small and medium-sized business owners small and medium-sized business policies small and medium-sized enterprise electronic service Small and Medium-sized Enterprises small and medium-sized sewage purification device small and medium-sized Tombs of Han Dynasty small and medium size residential building small and special electrical machine small-angle anisotropy small angle grain boundary small-angle grain boundary small-angle neutron scattering small-angle neutron scattering, SANS small angle scattering small-angle scattering small angle strain

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。