中文摘要：

汽车尾气是大气中羰基化合物的主要来源之一。利用实验室已经建立起来的羰基化合物的检测方法，对广州东站室内停车场内空气进行了检测，结果表明，汽车尾气中检测出21种目标化合物，浓度最高的羰基化合物分别是甲醛、乙醛和丙酮，占总的羰基化合物的76．2％（质量分数）。

英文摘要：

Vehicular exhaust is one of the most important sources in the atmosphere. Carbonyl compounds were studied in the bus station in Guangzhou. The results showed that all the 21 kinds of carbonyls were identified, in which formaldehyde, acetaldehyde and acetone were the most abundant carbonyls and accounted 76.2% of the total concentrations.