In this work, samples such as airborn particulates, exhaust gas and smogdust were collected during heating and non-heating seasons in the urban and suburban areas of Lanzhou.

• 摘要对兰州市区、郊区大气颗粒物、汽车尾气及烟尘样品中的饱和烃和芳香烃进行了色谱－质谱检测。