这些年来，凭借着气相色谱分析技术和质谱分析技术，科学家已经鉴定出来了能有规律的从人体排出或者挥发出的超过3,000种化合物。
Using gas chromatography and mass spectrometry, researchers have, over the years, identified more than 3,000 compounds that are regularly exhaled, excreted or exuded from the body.
同时对产物用红外光谱、质谱及气相色谱分析进行了表征。
The product was purified and characterized by gas chromatography, mass spectrograph and infrared spectroscopy.
目的：建立测定水中烷基酚的气相色谱-质谱分析方法。
Objective: to develop a method for analysis of alkylphenols in water by gas chromatography-mass spectrometry.
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。
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。
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).
他正在利用气相色谱-质谱分析-热脱附(GCMS - TD)技术来测试人体呼气中的VOC浓度。
He is using gas chromatography, mass spectrometry and thermal desorption (GCMS-TD) technology to test the concentrations of VOCs in human breath.
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。
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.
气相色谱分析中是否一定要用质谱检测器？
Do we always need mass spectrometry with gas chromatography?
气相色谱分析中是否一定要用质谱检测器？
Do we always need mass spectrometry with gas chromatography?
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