浸矿作用下离子型稀土典型重金属释放规律研究
郭钟群, 罗飞跃, 唐韬, 谢少俊, 刘强强, 冯秀娟

Release Regularity of Heavy Metals of Ion-type Rare Earth Ore Under Leaching Conditions
Zhongqun GUO, Feiyue LUO, Tao TANG, Shaojun XIE, Qiangqiang LIU, Xiujuan FENG
图5 不同深度土壤重金属Pb含量随时间的变化
Fig.5 Variation of heavy metal Pb content in soil at different depths with time