在七天的实验里，每隔一定时间就要更换一次纤维，然后用一种叫做气相色谱质谱联用仪的装置提取以供分析。
The fibres were replaced at regular intervals over the course of seven days and taken away for analysis by a device called a gas chromatograph-mass spectrometer.
方法用石油醚提取脂肪油并甲酯化，采用毛细管气相色谱-质谱联用技术对其进行分析鉴定。
Method The fatty oil from Carum carvi L was extracted by ligarine petrum and analyzed by capillary gas chromatograph mass spectrometer(GC-MS) method.
目的用气相色谱-质谱联用（GC-MS）法对新疆地产侧柏叶挥发油成分进行分析。
ObjectiveThe chemical constituents of the essential oil from Cacumen Platycladi in Xinjiang were analyzed by GC-MS.
报道了毛细管柱气相色谱质谱联用（GC-MS）方法分析半挥发性有机物的质量控制研究结果。
The results on the quality control for the analyzing of semivolatile (SV) organic compounds by HRGC-MS are described.
本文采用了气相色谱、色质联用及核磁共振法等分析方法对六氟丙酮水合物进行系统的研究。
A systematic study of hexafluoroacetone hydrate has been carried out by introducing gas chromatograph, mass spectroscopy and nuclear magnetic resonance spectroscopy.
综述了气相色谱-质谱联用仪分析样品的几种前处理技术，并对今后样品制备与前处理技术进行了展望。
Several sample preparation and pretreatment techniques in GC-MS analysis were reviewed. The trends in the development of these methods were also discussed.
利用气相色谱-质谱联用（GC／MS）技术对鸡屎藤挥发油化学成分进行分析研究。
The chemical composition of the volatile oil from Paederia scandens was analysed by gas chromatography mass spectrometer (GC/MS) technique.
方法采用气相色谱质谱联用仪（GC MS）对螃蟹甲根的挥发油化学成分进行了分析鉴定。
METHODS GC MS was used to analyse the chemical constituents of the essential oil of Phlom is younghunsbandii .
我们还首次利用气相色谱-质谱联用技术对马骝卵的挥发油主要成分进行分析，并鉴定了其中的17种成分。
We also used GC-MS to analyze the constituents of the essential oil from the tuber of the plant, finding out 17 compounds.
采用顶空自动进样、气相色谱-质谱联用的方法分析醪糟的头香成分。
Top note compounds of Laozao were analyzed by using headspace sampler and GC-MS.
采用气相色谱-质谱（GC-MS）联用技术对橘核脂肪酸组成进行了分析和鉴定。
The fatty acids composition of seed oil were separated and identified by GC-MS.
本文介绍用PEG - 20 M、OV- 101毛细管柱分离，以气相色谱与质谱联用检测的方法对我省山苍子精油的化学成分进行分析研究。
In this paper, method of PEG-20M and OV-101 Stainless Capilliary Column on GC-MS is adopted to analyse and study the chemical components of essential oil of Litsea cubeba Pers. in Jiangxi province.
样品经双甲基硅烷三氟乙酰胺衍生后，以美托洛尔为内标物，用气相色谱-质谱联用仪进行定性定量分析。
After samples were derived by BSTFA, GC-MS took metoprolol as the internal standard substance and made a qualitative and quantitative test.
利用气相色谱-质谱联用（GC-MS）技术对丁草胺原药中的主要杂质进行定性分析。
The primary impurities in butachlor technical were quantified by gas chromatography-mass spectrometry (GC-MS).
利用红外光谱、差热扫描以及气相色谱—质谱联用等先进的分析手段对落叶松树皮快速热解油的主要成分进行了分析。
Major ingredients of pyrolytic tar of larch bark were studied by advanced analysis methods such as FTIR, DTA and GC-MS.
气相色谱-质谱联用分析结果表明，DBT代谢产物中同时存在2 -HBP和二苯并噻吩砜(DBTO2)。
GC - MS analysis indicates that 2 - HBP and dibenzothiophene sulfone (DBTO2) simultaneously exist in the metabolite.
方法：气相色谱-质谱联用分析。
Methods: Gas chromatography and mass spectrogram were used to analyze their components.
采用高压液相色谱、气相色谱、气相色谱-质谱联用等方法分析了香菇多糖中单糖组成及其含量。
Composition and monosaccharide content in the mushroom polysaccharide was analyzed by HPLC, GC and GC-MS.
采用气相色谱-质谱联用仪分析了麦秸秆醋液原料的主要化学成分，并对麦秸秆醋液的抑菌性能进行了研究。
GC-MS was used to analyze the components of wheat-stalk vinegar, and the anti-microbial functions were studied.
利用气相色谱质谱联用仪对蜡质成分进行定量分析表明总角质层蜡质在过量表达植株中显著升高而在突变体中降低。
Quantification analysis of wax composition by gc-ms revealed a significant reduction of total cuticular wax in the mutant and increase of total cuticular wax in the over-expression plants.
方法采用气相色谱-质谱-计算机联用技术，分析高粱壳中的挥发性成分。
Methods The chemical constituents in volatile oils from the husk of sorghum vulgare pers were analyzed By GC-MS-computer technology.
方法：采用顶空固相微萃取-气相色谱-质谱联用技术分别对青蟹和湖蟹肉挥发性成分进行分析。
Methods: The volatile compounds of Samoan crab and Chinese mitten crab meat were analyzed by gas chromatography-mass spectrometry with solid phase microextraction technique.
本文给出了金刚烷及其异构体合成物系毛细管气相色谱及色谱-质谱联用分析方法。
This paper describes a capillary GC and GC-MS analytical method for the synthetic adamantane and its isomers.
采用气相色谱-质谱（ GC-MS）联用法对菠萝、杧果和米蕉果实混酿的果酒的香气物质进行了分析。
The flavors of wine from mixed fermentation of pineapple, mango and banana were analyzed by GC-MS.
采用同时蒸馏微萃取法提取姜科植物生姜中挥发油，并用气相色谱-质谱联用技术对其挥发性化学成分进行分析。
The volatile oil from ginger was extracted by the method of simultaneous distillation microextraction, the components were separated by gas chromatography and identified by mass-spectrometry.
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.
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.
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