Evaluation of water quality and protection strategies of water
The Yuxi River Valley is in the Yulin city of Shaanxi Province, China (Fig. 1). Yulin city is rich in energy resources, especially coal, oil, and natural gas. It is a main energy base for Shanxi and Shaanxi Provinces and Inner Mongolia autonomous region (Wu et al. 2005). The valley plays an increasingly important role in the economic ...
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