敦煌绿洲地下水微量元素分布特征及其成因 |
何建华, 秦文华, 郭嘉兵, 陈沛源, 马金珠 |
The characteristics of groundwater trace elements and its controlling factors in Dunhuang Oasis |
Jianhua He, Wenhua Qin, Jiabing Guo, Peiyuan Chen, Jinzhu Ma |
图7 Sr、Cu、Zn与SO42-的关系以及与Sr与Ca2+的关系 |
Fig.7 Plots of the relationships between Sr, Cu, Zn and SO42- and the plots of the relationship between Sr and Ca2+ |