Zhu, X.* et al. Monitoring of organochlorine pesticides in the urban air of Dalian, China with semipermeable membrane devices. Chin. Sci. Bull. 59, 2957-2965 (2014) Qin, S.* et al. Concentrations and gas-particle partitioning of PCDD/Fs in the urban air of Dalian, China. Chin. Sci. Bull. 57, 3442-3451 (2012) Zhu, X.H.* et al. QSPR study about sampling rates of semipermeable membrane devices for monitoring of organochlorine pesticides in Alps air. Chin. Sci. Bull. 56, 1884-1889 (2011)