采用水蒸气蒸馏法从杜梨花中提取挥发油，用气相色谱-质谱法对化学成分进行鉴定。
The essential oil from the flowers of Pyrus betulaefolia Bunge was abstracted by steam-stilling and analyzed by capillary GC-MS method.
用常规水蒸气蒸馏法提取杜克蓝莓果实中的挥发油，并用气相色谱-质谱法分析了其化学成分。
The essential constituents from duke blueberry fruits were extracted by steam distillation method and the essential oil obtained was analyzed by gas chromatography-mass spectrometry.
采用水蒸气蒸馏法从巴旦木杏仁中提取挥性化学成分，用气相色谱-质谱法对化学成分进行鉴定。
The volatile chemical components extracted from the almond of Prunus amygdalus Stokes was abstracted by steam-stilling and analyzed by GC-MS method.
方法水蒸气蒸馏法提取挥发油后，采用气相色谱-质谱法分析，用峰面积归一法测定成分的相对含量。
MethodsEssential oils were extracted from samples by steam distillation, The chemical constituents were determined by GC-MS with area normalization method.
方法：用水蒸气蒸馏法提取艳山姜挥发油，用气相质谱联用（ GC- MS）对挥发油成分进行分析。
METHODS The chemical constituents of volatile oil were extracted by distillation and analyzed by GC-MS.
方法采用水蒸气蒸馏法分别提取水菖蒲根状茎和根挥发油，采用气相色谱- 质谱联用技术进行分析鉴定。
METHODS:The steam distillation was used to prepare the volatile oil from the rhizome and root of Acorus calamus L .
采用水蒸气蒸馏法提取黑杨萎蔫叶片具诱虫活性的气味物质，用气相色谱质谱联用技术分离和鉴定活性物质的化学成分。
A report is made of the study of chemical components of the odor with luring activity from withered black poplar leaves.
采用气相色谱-质谱联用技术(GC - MS)分析比较了超临界流体萃取法、水蒸气蒸馏法、索氏提取法及超声提取法所得提取物中的挥发性化学成分，分别鉴定出37,45,27及37种化学成分。
The volatile compounds of extracts obtained by SFE, steam distillation, soxhlet extraction and ultrasound extraction were analyzed by GC-MS. 37, 45, 27 and 37 compounds were identified respectively.
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.
采用水蒸汽蒸馏法从大戟科木奶果中提取挥发油，用气相色谱-质谱对挥发油的化学成分进行了分析。
The essential oils extracted from Baccaurea ramiflora Lour and its chemical constituents were analyzed by GC-MS.
方法采用常规水蒸汽蒸馏法对甘肃天水产女贞子提取挥发油，用气相色谱质谱联机进行分离鉴定。
METHODS The volatile oil was extracted from Ligustrum lucidum Ait of Gansu by steam distillation, and its ingredients were isolated and identified by gas chromatography-mass spectrometer (GC-MS).
方法以水蒸汽蒸馏法提取挥发油，分别得到不同样品的挥发油，以气相色谱质谱联用（GC MS）联用技术对其化学成分进行分离和鉴定。
METHODS The volatile oils were extracted with steam distillation. The components were separated and identified by GC MS and elucidated on the standard mass spectral data.
方法以水蒸汽蒸馏法提取挥发油，分别得到不同样品的挥发油，以气相色谱质谱联用（GC MS）联用技术对其化学成分进行分离和鉴定。
METHODS The volatile oils were extracted with steam distillation. The components were separated and identified by GC MS and elucidated on the standard mass spectral data.
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