【摘要】 袁河是流经萍乡、宜春和新余三市再入赣江的一条河流 .根据历年的监测资料 ,计算其环境质量指数 (污染指数 )———无量纲数 ,用来衡量比较流经萍乡、宜春和新余三段河流的水环境质量及其变化原因 ,在此基础上研究和探讨袁河宜春段水质的变化规律及其变化趋势 ,为区域环境污染综合防治提供参考更多还原

【Abstract】 River Yuan is a river which flows along Pingxiang Yi chun and Xingyu the n flows Into Ganjiang Based on the monitoring data of recent years we calculate its environmental quality index(pollute index)─no dimension We may measure an d compare the water quality of the above three branches and their changing reason we may provide our government some references and directions on the basis of th e above research of the changing rules of the water quality of river Yuan and it s changing trend ,and at the same time for the comprehensive prevention of the d istrict environmental pollution更多还原