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4 随水流方向底泥重金属单因子污染指数(Cfi)变化趋势
Fig.4 Variations of heavy metal enrichment with water flow