武清凹陷浅层含氟地下水演化特点及成因分析 |
申月芳, 马晗宇, 杨耀栋, 曹阳 |
Evolution characteristics and genesis of shallow fluorine-bearing groundwater in Wuqing Sag |
SHEN Yue-Fang, MA Han-Yu, YANG Yao-Dong, CAO Yang |
图5 ρ(F-)与ρ(Ca2+)的关系 |
Fig.5 Relationship between F- and Ca2+ concentrations |
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