Three new methods of preparing samples were reviewed, including solid phase microextraction (SPME), extraction with supercritical CO2 fluid and solvent assisted flavor evaporation (SAFE).
综述了三种新的样品制备技术，固相微萃取(SPME)、超临界二氧化碳萃取和溶剂辅助的香料蒸馏技术(SAFE)。
Objective To study the methods of Algae Samples preparing in Drinking - water Sampling.
目的研究饮用水中藻类形态学鉴定样品标本制作方法。
Objective To study the methods of Algae Samples preparing in Drinking - water Sampling.
目的研究饮用水中藻类形态学鉴定样品标本制作方法。
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