...方根成正比，因而使不同质荷 比的离子在磁场中被分离，并按质荷比大小依次抵达检测器，经记录即得样品的质谱（mass spectrum MS）。 2．质谱分析法的特点和用途 质谱是定性鉴定与研究分子结构的有效方法。
基于6个网页-相关网页
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（GC MS）联用法测定大鼠血液中3 MCPD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（1H NMR）以及质谱（MS）对产物进行了表征，确定了目标产物的结构。
应用推荐