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机译:STATISTICAL CONTROL OF THE PROCESS APPLIED TO THE MONITORING OF THE WATER QUALITY INDEX
Univ Estadual Oeste Parana, Cascavel, PR, Brazil;
Ctr Univ Fundacao Assis Gurgacz, Cascavel, PR, Brazil;
water quality index; control charts; capacity of the process; RIVER; POLLUTION; PARANA; CHART; URBAN; STATE;