In this study, PAHs in indoor air of Shenzhen was monitored by PUF passive sampler for a period of 6~8 weeks.
利用PUF 大气被动采样技术，对深圳市室内大气多环芳烃进行了为期6~8周的连续观测。
A novel sampling technique, passive sampling, is given. The principle and structure of passive sampler, the application at present and the trends of PS are reviewed.
本文对被动采样这一崭新的大气采样法的原理、采样器结构及特点、应用现状和前景作了简要阐述。
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