The volatile oils of Zanthoxylum schinifolium were extracted by water vapor distillation.
采用水蒸气蒸馏法提取精制香椒子中的挥发油。
The volatile oils of walnut diaphragm were obtained by hydrodistilation and analysed by GC and GC/MS.
本实验采用水蒸汽蒸馏法提取鲜姜和干姜中的精油，并利用GC-MS分析精油的成分。
The volatile oils of Zhulan scented teas and their dhools were extracted with simultaneous steam distillation extract(SDE) as well as analyzed and identified by GC-MS.
采用SDE提取精油，用气-质联用技术，分析了重庆产特级和一级珠兰花茶及其素坯的挥发油化学组成。
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