Impacts of Cr6+on the activity of activited sludge and the organic matter degradation rate
CHENG Li, LI Xiaochen, SONG Xuedong, XING Youhua
Ecology and Environment . 2009, (6): 2113 -2117 .  DOI: 10.16258/j.cnki.1674-5906(2009)06-2113-05