Components in rocket kerosene were analyzed by gas chromatography-mass spectrometry.
采用气相色谱-质谱法分析了火箭煤油的组成。
Objective: to develop a method for analysis of alkylphenols in water by gas chromatography-mass spectrometry.
目的：建立测定水中烷基酚的气相色谱-质谱分析方法。
The primary impurities in butachlor technical were quantified by gas chromatography-mass spectrometry (GC-MS).
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 citronella oil content of certain candle formulations was determined by headspace gas chromatography-mass spectrometry.
本文采用顶空进样气相色谱-质谱联用法测定蜡烛中香茅油的含量。
Using gas chromatography-mass spectrometry techniques, they identified almost 100 different chemical compounds coming from skin.
用气相色谱-质谱技术，他们确定了来自皮肤的近1 00种不同的化合物。
The components in the fluid catalytically cracked (FCC)gasoline were detected by capillary column gas chromatography-mass spectrometry(GC/MS).
应用毛细管柱气相色谱-质谱（GC/MS）分析催化裂化（FCC）汽油中的组成。
Methods The organic residues were extracted from samples by ultrasonic extraction with methanol and analyzed by gas chromatography-mass spectrometry.
方法以甲醇为萃取溶剂，采用超声提取法对样品进行前处理，采用气相色谱-质谱联用法进行检测。
A method was developed for determining residual salbutamol in animal tissue using solid-phase extraction (spe) with gas chromatography-mass spectrometry (GC-MS).
建立了动物组织中沙丁胺醇残留量固相萃取-气相色谱-质谱分析方法。
An analytical method for the determination of amitraz and 2,4-dimethyl anilinein in foods of animal origin was developed by gas chromatography-mass spectrometry.
建立了测定动物源产品中双甲脒及其代谢产物残留量的气相色谱—质谱法，并对样品预处理的方法和定量检测条件作了较详细的探讨。
Objective:To establish a sensitive analytical method for detection of triazophos residues in marine shoal mud using capillary gas chromatography-mass spectrometry.
目的：建立海洋滩涂沉积物环境中三唑磷残留的毛细管气相色谱-质谱联用检测法。
In this paper, the chemical constituents of geranium oil, collected from Rong Jiang, Guizhou, are studied by means of capillary gas chromatography-mass spectrometry.
采用毛细管气相色谱-质谱-计算机联用法研究了贵州榕江地区香叶油的化学成分。
The 12 of low polar components of Anabasis Aphylla L. were separated and identified by gas chromatography-mass spectrometry. They are naphthalene and azulene species.
采用气相色谱-质谱测定无叶假木贼低极性化学成分，分离鉴定了12个化合物，它们是萘类与类化合物。
Methods: The volatile compounds of Samoan crab and Chinese mitten crab meat were analyzed by gas chromatography-mass spectrometry with solid phase microextraction technique.
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。
The volatile organic compounds (VOCs) produced in the laser-sculpture process of bicolor board were studied using cold trap condensation-gas chromatography-mass spectrometry.
研究了冷阱浓缩气相色谱-质谱法检测双色板在激光工艺雕刻过程产生的挥发性有机污染物的组成。
A new solid phase extraction-gas chromatography-mass spectrometry(SPE-GC/MS) method for simultaneous determination of ractopamine and clenbuterol in animal urine was reported.
建立了固相萃取-气相色谱-质谱法（SPE-GC/MS）同时测定动物尿样中的莱克多巴胺和克伦特罗的方法。
The liquid product from gas-phase amination of 2, 6-diisopropyl phenol was analyzed by gas chromatography-mass spectrometry, and the composition of the product was determined.
对2,6 -二异丙基苯酚气相胺化反应的液相产品进行了气相色谱-质谱分析，确定了产物组成。
Methods:Essential oil was extracted from Xinjiang maca by steam distillation, and then was subjected to chemical component analysis by gas chromatography-mass spectrometry(GC-MS).
方法：采用水蒸气蒸馏法和气质联用技术对新疆引种玛咖中的挥发油成分进行分析，并研究提取时间、缓冲液浓度对玛咖挥发油主成分的影响。
Chapter five: A simple and rapid method was used to determine the residues of 5 organophosphorus pesticides in Ginkgo Biloba leaves by gas chromatography-mass spectrometry (GC-MS).
第五章，采用高速匀浆法提取、柱层析法净化技术，成功建立了气相色谱质谱法同时测定银杏叶中5种有机磷农药残留量的方法。
In this paper, the pyrolytic compound of polyurethane acrylate oligomer was analyzed by pyrolytic gas chromatography-mass spectrometry and the pyrolytic mechanism was also discussed.
采用裂解色谱质谱技术对光固化聚氨酯丙烯酸酯齐聚物裂解产物进行了分析，并对裂解机理进行了讨论。
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.
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。
A method for the determination of 6 phthalate esters (PAEs) by gas chromatography-mass spectrometry (GC-MS) with accelerated solvent extraction (ASE) sample preparation was developed.
应用加速溶剂萃取，气相色谱-质谱联用法测定土壤中6种邻苯二甲酸酯类有机污染物。
A method was developed for the simultaneous determining of Clenbuterol, Salbutamol, Terbutaline and Fenoterol residues in pork tissues using gas chromatography-mass spectrometry(GC-MS).
建立了用气相色谱-质谱同时检测猪肉中克伦特罗、沙丁胺醇、特布它林和非诺特罗残留量的方法。
With the instrument blowing and trapping to concentrate and sample and external standards, the gasoline in soil is determined quantificationally by gas Chromatography-Mass Spectrometry.
对土壤中的汽油，采用外标法，经吹扫捕吸仪浓缩后，用气相色谱-质谱法分析定量。
A method was developed for determining residual clenbuterol and ractopamine in animal liver (tissues) using solid phase extraction (spe) with gas chromatography-mass spectrometry (GC-MS).
建立了同时测定动物肝组织中盐酸克伦·特罗和盐酸莱克多巴胺残留量的固相萃取-气相色谱-质谱分析方法。
Using gas chromatography, gas chromatography-mass spectrometry, carbon isotopes and infrared spectrometry to analyze the source, type and the maturity of crude oils in the Changbei oilfield.
采用气相色谱、色谱-质谱、同位素、红外光谱等方法，分析了长北油田原油的来源、母质类型的成熟度的高低。
The researchers used water and an ultrasonic extraction process, followed by gas chromatography-mass spectrometry to quantify the amount of cocaine in more than 230 bills collected in 17 cities.
研究人员从17个城市收集到230张纸币样本，并使用水和超声波提取方法，再加上气相色谱分析-质谱法对样本进行测试。
With gas chromatography-mass spectrometry (GC-MS), the volatile oils in Fructus Amoral Rotundus, Alpinia Katsamdai and Alpinia Officinarum were separated and their main components were determined.
以气相—质谱法分离、鉴定了白豆蔻、草豆蔻、高莨姜挥发油的组成以及各自在油中的相对含量。
To do this, the oils were broken into their component parts and analysed using gas chromatography and mass spectrometry.
实验过程中，他们将精油分散成各自的组成成分，用气体色谱分析法和质谱分析法进行分析。
Scientists had to wait until the development of a technique called gas chromatography/mass spectrometry to identify traces of methoxypyrazines.
科学家们只得一直等到叫做气相色谱或是质谱的技术的出现，才得以识别出痕量的甲氧基吡嗪。
Scientists had to wait until the development of a technique called gas chromatography/mass spectrometry to identify traces of methoxypyrazines.
科学家们只得一直等到叫做气相色谱或是质谱的技术的出现，才得以识别出痕量的甲氧基吡嗪。
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