supported by the United Sponsorship of the National Natural Science Foundation of China and the Guangdong Provincial Government(Grant No.U0633001);the National Natural Science Foundation of China(Grant No.20477007);the Guangdong Provincial Sponsorship for Key Science and Technology(Grant No.2004A3038002)
Thallium(Tl) is a typical toxic heavy metal,with higher toxicity to mammals than Hg,Cd,and Pb.Accurate assessments of its environmental exposure and flux are central to effective management and control of Tl pollution...