奎屯河山前四期冲积扇由南向北呈串珠状发育。

There are four alluvial fans arranged as a string of beads from the south to the north.

目的：探讨防治新疆奎屯地方性砷中毒干预实验前后患者砷中毒病情与癌变之间的关系。

Objective: To explore the relationship between the clinical states and malignancy of endemic arsenism in Kuitun area after intervention experiment.

目的：对新疆奎屯地方性砷中毒病区水样中的砷进行价态分析，研究砷中毒的发病机理。

Objective: in order to analyse the valent state of Arsenic in water in KuiTun Xinjiang, and study the pathogenesis of arsenism.