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.
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.
电子鼻、气相色谱质谱等化学分析仪器也可用于人体气味的检测分析。
The human body odor can also been analysis by Electronics nose and gas chromatography mass spectrometry(GC/MS).
应用气相色谱质谱和红外光谱表征了它们的分子结构。
Gas phase chromatography, mass spectrum and infrared spectrum are used to characterize the novel silanes structures.
带自动进样器的气相色谱-质谱联用仪（GC-MS），分流/不分流进样，可编程的柱箱和可以进行离子选择监测。
Gas Chromatograph-Mass Spectrometer (GC-MS) with an auto-sampler, split/splitless inlet, programmable GC oven, and capable of selective ion monitoring.
基于临床实际病例，建立了采用气相色谱-质谱（GC/MS）技术即时鉴定中毒病人血液中有毒物质的临床分析方法。
The analytical method for identification of the toxicosis in blood was established by gas chromatography mass spectrometry(GC/MS) based on the practical clinical case.
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。
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.
采用气相色谱-质谱（GC-MS）分析技术，选择离子检测法（SIM），开发出一种准确可靠、灵敏度高的测定奶粉及奶制品中三聚氰胺的新方法。
A new method for determination of melamine in milk powder and milk products by gas chromatography-mass spectrum with selected ion monitor(GC-MS/SIM) was established in this paper.
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。
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.
方法采用毛细管气相色谱质谱（GCMS）联用法测定大鼠血液中3MCPD的含量。
METHODS Gas chromatography mass spectrum(GC MS) was employed to detect the concentration of 3 MCPD in the blood after ig.
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。
Objective:To establish a sensitive analytical method for detection of triazophos residues in marine shoal mud using capillary gas chromatography-mass spectrometry.
选择17种蔬菜基质对29种农药在气相色谱-质谱测定过程中的基质效应进行研究。
In this paper, 29 pesticides in 17 sorts of vegetable matrices were collected for the study of matrix effects by GC-MS.
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.
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。
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).
建立复合食品包装袋中二氨基甲苯气相色谱-质谱测定方法。
The GC-MS method for detection diaminomethylbezen in complex for food packaging material was established.
应用气相色谱和色谱—质谱等分析方法，对鸡西盆地下白垩统煤系烃源岩的泥岩和煤岩生物标志物进行研究。
By the Gas chromatography and the Gas chromatography-mass spectrogram analysis, the biomarkers in the Lower Cretaceous mud rocks and coals of coal measures from Jixi Basin were studied.
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。
The citronella oil content of certain candle formulations was determined by headspace gas chromatography-mass spectrometry.
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.
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。
The components in the fluid catalytically cracked (FCC)gasoline were detected by capillary column gas chromatography-mass spectrometry(GC/MS).
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.
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.
采用顶空固相微萃取气相色谱质谱（HS SPME GC/MS）法分析饮用水中的发霉气味。
The HS SPME GC/MS method was applied to analyzing odors in drinking water.
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.
用DSC、FTIR、气相色谱-质谱联用以及TGA分别对产物的熔点、结构、纯度和热稳定性进行了表征。
The melting point, structure, purity and thermal degradation behavior of the product were investigated by DSC, FTIR, GC-MS and TGA .
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 .
运用气相色谱质谱联用技术实现农产品中多种残留农药的快速检测。
A method for rapid analysis of multiresidual pesticides in agricultural products by gas chromatograph-mass spectrometry(GC/MS) was introduced.
实验采用气相色谱质谱联用仪(GCMS)对收集的堆肥尾气进行检测，测得21种气体，其中含量较大的气体为NH3和H2S等。
The test use the (GCMS) to check the odours, there are 21kinds of them, in them, the content of NH3 and H2S are very high.
本分析使用了具有偶合质谱检测器毛细管柱的气相色谱。
A gas chromatograph with a capillary column coupled to a mass spectrometric detector is used for the analysis.
本分析使用了具有偶合质谱检测器毛细管柱的气相色谱。
A gas chromatograph with a capillary column coupled to a mass spectrometric detector is used for the analysis.
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