The human body odor can also been analysis by Electronics nose and gas chromatography mass spectrometry(GC/MS).
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 aromatic compounds of 28 representative China Oolong tea was studied by gas chromatography and mass spectrometry analysis.
采用气相色谱-质谱法对28个中国代表性乌龙茶芳香物质进行了研究。
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 odor copy instrument has been developed and the copied samples were tested by the identification of police dog and the analysis of gas chromatography and mass spectrometry.
研制了嗅源气味提取拷贝仪，并用警犬及气相色谱仪对拷贝前后的气味进行了比较，证明气味拷贝仪能将嗅源气味转移到目标气味吸附布上。
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。
The comparison with conventional method, gas chromatography coupled to mass spectrometry(GCMS), illustrated the obvious advantages of the method for heavy gas oil analysis.
全二维气相色谱与普通一维色谱对比，在重馏分油的芳烃组分分析上体现了极大优势。
The comparison with conventional method, gas chromatography coupled to mass spectrometry(GCMS), illustrated the obvious advantages of the method for heavy gas oil analysis.
全二维气相色谱与普通一维色谱对比，在重馏分油的芳烃组分分析上体现了极大优势。
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