From the gas chromatography, report the percentages of limonene and carvone in your original sample and in the fractions following distillation. 從氣相色層析分析中，回報在你的原樣品和通過(guò)蒸餾所得的餾份中所含檸檬烯和香芹酮的百分含量。
In this paper the preparation method of surperpurity europium oxide by zinc powder reduction extraction chromatography is expouned. 簡(jiǎn)述了采用鋅粉還原萃取色層法制取超高純氧化銪的工藝過(guò)程。
