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( |
Fig.4 Variations of heavy metal enrichment with water flow |
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