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    Groundwater Quality Assessment Based on Improved Water Quality Index in Pengyang County, Ningxia, Northwest China by Li Pei-Yue, Qian Hui, Wu Jian-Hua

    Published 2010-01-01
    “…The aim of this work is to assess the groundwater quality in Pengyang County based on an improved water quality index. An information entropy method was introduced to assign weight to each parameter. …”
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