With gas chromatographic and mass spectrum (GC-MS) analysis technology, the chemical composition of biomass tar and its distillations were analyzed.
主要采用色谱-质谱联机(GC - MS)成分分析法对生物质焦油及其馏分试样进行成分分析。
METHODS Gas chromatography mass spectrum(GC MS) was employed to detect the concentration of 3 MCPD in the blood after ig.
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。
The structure of objective product was confirmed by characterization with Fourier transform infrared spectrum (FTIR), nuclear magnetic resonance (1H NMR) and mass spectrometer (MS).
并通过傅里叶变换红外光谱（FTIR）、核磁共振谱图（1HNMR）以及质谱（MS）对产物进行了表征，确定了目标产物的结构。
In order to reveal the aging mechanism, the analyses of infrared attenuated total reflection (ATR), mass spectrum (MS) and pyrolysis gas chromatograph-mass spectra (PYGC-MS) were performed.
利用红外光谱（ATR）、质谱（MS）及裂解气相色谱质谱（PYGC MS）等方法分析了硅橡胶老化机理。
Thermal degradation of polystyrene was investigated with thermogravimetry-mass spectrum analysis (TG-MS).
采用热重质谱法研究了聚苯乙烯的热降解过程。
The volatile components were extracted from leaves of Indocalamus latifolius by simultaneous distillation and extraction, and analyzed by gas chromatography-mass spectrum (GC-MS).
采用同时蒸馏萃取装置提取箬竹叶的挥发性成分，然后经气相色谱-质谱联用技术对挥发性成分进行分离鉴定。
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（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。
However, the non-mass spectrum interference, enhancement effects of organic reagent and quantitative calibration technique of solid microanalysis are "hot" topic in ICP-MS and LA-ICP-MS.
在这些ICP - MS及其联用技术中，非质谱干扰、有机介质的增敏效应、固体微区分析的定量校正技术等基本的理论与应用研究一直是研究的热点问题。
However, the non-mass spectrum interference, enhancement effects of organic reagent and quantitative calibration technique of solid microanalysis are "hot" topic in ICP-MS and LA-ICP-MS.
在这些ICP - MS及其联用技术中，非质谱干扰、有机介质的增敏效应、固体微区分析的定量校正技术等基本的理论与应用研究一直是研究的热点问题。
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