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《Journal of Anhui Agricultural Sciences》 2010-26
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Study on Water Quality Indices Reduction Based on Rough-Fuzzy Comprehensive Evaluation Method

DIAO Zhan-feng et al(Shenyang Agriculture University,Shenyang,Liaoning 110122)  
The fuzzy integration evaluation method was used for water quality analysis.Based on the advantage of dealing with uncertain and imprecise problems,fuzzy comprehensive evaluation result was used as the water quality grades criterion to screen out the water quality evaluation indices.It showed that potassium permanganate index is the most important influence factor,and nitrite-nitrogen takes the second place.It also identified the indexes importance in relation to the properties.The application indicated that the fuzzy comprehensive evaluation method is a good solution to the ambiguity problem,and rough set provides a reliable scientific basis for water quality evaluation indices filtering.
【CateGory Index】: X824
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