津北水土环境氟地球化学特征及其环境质量评价

王卫星, 曹淑萍, 李攻科, 张亚娜

Geochemical characteristics and environmental quality assessment of fluorine in soil and water in northern Tianjin

Wei-Xing WANG, Shu-Ping CAO, Gong-Ke LI, Ya-Na ZHANG

图3 蓟州区表层土壤氟环境质量等级分布

Fig.3 Assessment chart of surface soil fluoride environmental quality