高容量采气器
Hence, air samples were collected using an improved high volume active air sampler August, 2008 to July, 2009 in Lanzhou City. Concentrations of polycyclic aromatic hydrocarbons ( PAHs) in both gas and particle phases were measured.
因此,本文利用改进型的大流量主动采样器,于2008年8月到2009年7月对兰州市大气样品进行采集,并检测了气相和颗粒相中的多环芳烃(PAHs)的浓度。
Air samples were collected by high volume sampler. Total dust was weighed and content of enzyme analyzed by ELISA.
用大容量采样器采集空气样品,称重法测定洗衣粉粉尘含量,酶联免疫吸附实验(ELISA法)分析酶含量;
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