The main volatile chemical components of RPR are(Z, Z)-9,12-octadecadienoic acid, n-hexadecanoic acid and 2-hydroxy-benzaldehyde.
赤芍主要挥发成分为（Z, Z）-9, 12-十八碳二烯酸，正十六碳酸和2-羟基苯甲醛。
CONCLUSION The mail volatile chemical components of RPR are(Z, Z)-9,12-octadecadienoic acid, n-hexadecanoic acid and 2-hydroxy-benzaldehyde.
结论赤芍主要挥发成分为（Z，Z）-9，12-十八碳二烯酸，正十六碳酸和水杨醛。
The volatile chemical components extracted from the almond of Prunus amygdalus Stokes was abstracted by steam-stilling and analyzed by GC-MS method.
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。
Objective To analyze the chemical components of the volatile oil in processed pieces of Fructus Aurantii (PPFA) by GC-MS.
目的气相色谱-质谱法对枳壳饮片挥发油进行化学成分的分析。
Objective: To analyze the chemical components of the volatile oil from Fructus Aurantii by GC-MS.
前言：目的：用气相色谱gc - MS法对枳壳挥发油进行化学成分的分析。
The results show that terpene compounds in the volatile oils were identified. The higher chemical components in the volatile oil are camphene, pinene, phellandrene, zingiberene and borneol.
结果表明：生姜挥发油的主要化学成分是萜类化合物茨烯蒎烯水芹烯姜烯和冰片等。
ObjectiveTo study the chemical components in the volatile oil from the leaf of Epimedium wushanense T.
目的研究巫山淫羊藿叶中挥发油的化学成分。
Results the chemical components and their relative contends of volatile components extracted by the above two methods were different.
结果两种提取方法无论在成分还是其相对含量均存在一定的差异。
Methods The chemical components of volatile oil were analyzed by gas chromatography-mass spectraphy (GC/MS), and their relative contents were determined by peak area normalization.
挥发油的化学成分。方法用气相色谱-质谱（GC/MS）联用技术，应用峰面积归一化法测定各组分的相对含量。
Garlic plant volatile was extracted by steam distillation under reduced pressure, and the chemical components were determined by GC-MS analysis.
采用减压水蒸气蒸馏法提取出蒜苗挥发物，用GC - MS法分析鉴定其化学成分。
Objective: To analyse chemical components of volatile oil from leaf of Broussonetia Papyrifera.
目的：对构树叶中挥发油的化学成分进行分析。
Methods Volatile oil was extracted from the sample by steam distillation, and its chemical components were analyzed and identified by GC-MS.
方法以水蒸气蒸馏法提取样品中挥发油，采用GC - MS联用技术对挥发油进行成分分析。
The main chemical components of Oplopanax elatus are saponins, volatile oil, flavonoids, anthraquinones, fatty acids etc.
东北刺人参中含有多种皂甙、挥发油、黄酮、蒽醌、脂肪酸等主要化学成分。
Different grades of Oriental tobacco samples from6producing areas at home and abroad were collected and analyzed for chemical components, necessary nutrition elements and volatile flavor sub-stance.
收集了国内外6个产地不同等级的香料烟样品，对其内在化学成分、必需营养元素和挥发性致香物质等进行了分析。
Objective To compare the chemical components and their relative contends of volatile components extracted from Mentha haplocalyx Briq. by the methods of SD and HS.
目的GC-MS联用技术比较水蒸气蒸馏法提取薄荷挥发油和薄荷顶空气体的化学成分及相对含量。
Objective To compare the volatile oil chemical components of Ephedra sinica Stapf producing in different area.
目的分析比较不同产地草麻黄挥发性化学成分的异同。
Objective To compare the volatile oil chemical components of Ephedra sinica Stapf producing in different area.
目的分析比较不同产地草麻黄挥发性化学成分的异同。
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