“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	rotating crystal method rotating-cup anemometer rotating detonation engine rotating direction method rotating disk rotating disk electrode rotating disk electrode, RDE rotating disk gauge rotating electrode rotating-element current meter rotating flow rotating fluid mechanics rotating frame rotating frame Overhauser-enhancement spectroscopy (ROESY) rotating inertial navigation system rotating kinetic energy rotating kinetic energy of rigid body rotating laser rotating-lobe interferometer rotating magnetic dipole rotating magnetic field rotating mirror rotating mirror scan rotating object rotating panoramic photography

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