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River water quality risk assessment using grey correlation in Baoji Weihe River of China Yinge Liu1, a*, Yixuan Yang2,b and Lingang Wang3,c 1 Key Laboratory of Disaster Monitoring and Mechanism Simulating in Shaanxi Province, College of Geography and Environment, Baoji College of Arts and Science, Baoji 721013, China 2 College of materials and chemical engineering, Hainan University, Haikou 570228, China 3 College of Geography and Environment, Baoji College of Arts and Science, Baoji 721013, China a*yingeliu@163.com, blyg2887@sohu.com, cwanglg@163.com Keywords: Risk assessment, Water quality, Grey correlation, Baoji Weihe River Abstract.
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