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trace enrichment
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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。
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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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