中文摘要：

同步辐射单光子电离结合分子束质谱技术可以精确测量燃烧产物，较其它研究燃烧化学的方法有不可比拟的优越性。利用同步辐射和分子束取样技术分别检测了加入甲基叔丁基醚（MTBE）前后的汽油在氧气中的燃烧产物，着重分析了5种物质的生成过程，比较了纯汽油与含MTBE汽油在火焰中成分的差异，为建立燃烧反应动力学模型奠定了基础。

英文摘要：

Molecular-beam sampling mass spectrometry （MBMS） combining with tunable synchrotron radiation photoionization technique offers obvious advantages for the studies of flame chemistry over other techniques for its measurement precision of combustion products. In this paper, a low-pressure premixed gasoline/MTBE/oxygen/argon flame was performed and combustion intermediates were identified. The formation process of five products and the difference between gasoline and gasoline with MTBE in the flame is emphatically analyzed. The obtained result is helpful to establish the kinetic modeling for the gasoline/MTBE/oxygen flame.