以下为句子列表：
英文: METHODS The essential oil was extracted by steam distillation and analyzed by GC-MS technique.
中文: 方法用水蒸气蒸馏法提取白鲜皮挥发油并用气相色谱－质谱技术分析。
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英文: Pure floral waters are by products of the steam distillation process of essential oils. Floral water is 100% natural hydrosol used after face wash to hydrate, refresh and balance skin conditions.
中文: 花卉水是精华油蒸馏过程中溶于水的天然产品，清洁面部后可喷上适合的花卉水，使肌肤回复清爽，补充水份。
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英文: The reduced crude may then be processed by vacuum or steam distillation to separate the high-boiling lubricating oil fractions without the danger of decomposition, which occurs at high (>350℃, 660℉) temperatures.
中文: 由此，我们有可能获得石油产品，这些产品包括从蒸馏塔顶部得到的气态物质，包括比重较大的渣油或称“残渣”(一般而言挥发性较差)，以及从蒸馏塔中部得到的比重较小的其他相应物质。
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英文: The essential oil obtained by steam distillation of flowering yellow tagetes erecta,which was examined by GC/MS, was dominated by transcaryophyllene( .8%),β cubebene (.%), limonene(.8%),α terpinolene(.%).
中文: 由色谱图知,该挥发油共有 种化合物,经标准谱图库检索,鉴定出 个化合物,其主成分为:反- 石竹烯(C H , .8 % ) ,β- 荜澄茄烯(C H ,. % ) , - 柠檬烯(C0 H , .8 % ) ,α- 异松油烯(C0H , . % ) .
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