白银东大沟水体和底泥中重金属污染评价
张钊熔, 段星星, 夏明哲

Contamination situation and evaluation of heavy metal pollution in water and sediments of Dongdagou area, Baiyin
Zhao-Rong ZHANG, Xing-Xing DUAN, Ming-Zhe XIA
图3 底泥中重金属含量随水流方向的变化
Fig.3 Variations in the concentrations of heavy metals in the sediments with water flow