Objective In order to provide reference for controlling and monitoring the environmental contamination in the spacecraft,the species and amount of microbes, which adhere to the suspended particles with different size in a closed environment were detected.

• 目的分析检测密闭环境中悬浮颗粒物上附着微生物的种类及数量 ,为航天器舱内大气污染的控制和监测提供参考依据。