The objective of this paper is to study the oxidation of thiols in FCC diesel and the mechanism of its effect on the stability of diesel by GC and GC-MS analyses.
利用模型化合物对甲苯硫酚，借助于气相色谱和质谱等分析手段，探讨了硫醇的氧化行为以及烃类化合物和其它非烃化合物对硫醇氧化性能的影响，并初步推断其可能遵循的反应机理。
The impurities affecting the index of UVT of phenol were found by GC MS analyses and total ketones analyses of phenol, which are mainly ketones compounds with higher boiling than of phenol.
通过对苯酚原料的GC—MS分析和对原料与产品的UVT及总酮量分析，定性地说明了影响UVT值达标的主要杂质为沸点高于苯酚的酮类化合物。
The products were characterized by elemental analyses, MS and X-ray diffraction analysis.
反应产物经过了元素分析、质谱和X射线的表征。
Pesticides multiresidue analyses method in cucumber was studied by GC/MS with MID (Multiple Ion Detection).
用GC／MS多离子（MID）检测法，探讨了黄瓜中农药多残留分析问题。
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。
These complexes were identified by elements analyses, IR, NMR, thermal ana-lyses and ESCA. The analyses of hydrolytic products were made by IR, MS and NMR.
通过元素分析、红外光谱、核磁共振谱、热失重及电子能谱的分析，对所合成的化合物进行了表征；
The authors synthesized a new thioether compound whose molecular structure was identified by IR, MS and elementary analyses.
作者合成了新型的硫醚化合物，经元素分析、红外光谱和质谱分析，确证了化合物的分子结构。
The authors synthesized a new thioether compound whose molecular structure was identified by IR, MS and elementary analyses.
作者合成了新型的硫醚化合物，经元素分析、红外光谱和质谱分析，确证了化合物的分子结构。
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