摘要
通过对清河、凡河水质状况的分析,利用SPSS统计软件分析铁岭市"十一五"期间COD减排量与综合污染指数等水环境统计指标的关联程度,并建立学习曲线回归模型,进行回归分析。结果表明,COD减排量与相关水环境指标之间的相关性具有一定的现实意义。
Through the analysis on the water quality of Qing River and Fan River ,the association degree of COD emission reduction ,water environment pollution index and other statistical indicators during the ′Eleventh Five-Year′ in Tieling City were analyzed using SPSS statistical software,and the learning curve regression models were established to conduct regression analysis.The results showed that the correlation between COD reduction and the related environmental indicators had certain practical significance.
出处
《现代农业科技》
2014年第5期241-242,244,共3页
Modern Agricultural Science and Technology
