利用同时蒸馏萃取装置提取不同成熟度烟叶样品的挥发性香味成分，经毛细管气相色谱法对烟叶中主要香味成分变化进行了定性定量分析。
The main flavor compounds in different maturity tobacco were isolated by simultaneous distillation and extraction (SDE), and then were quantitatively analyzed by capillary gas chromatography.
介绍适用于香味文具的挥发性成分分析的各种技术，包括样品的前处理以及分离和检测的方法。
Various technique used to analyze the volatile component of fragrant stationery were introduced, including the technique of specimen pre-treatment, separation and detection.
该方法不仅可以较快速地得到挥发性成分，而且提取的精油能保持原鲜花的香气香味。
Its aroma constituents were absorbed with XAD-4. This method can get the aroma constituents faster and keep the flavor of fresh flowers.
该方法不仅可以较快速地得到挥发性成分，而且提取的精油能保持原鲜花的香气香味。
Its aroma constituents were absorbed with XAD-4. This method can get the aroma constituents faster and keep the flavor of fresh flowers.
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