工矿区复垦土地主要污染因子分析

重点讨论了工矿区的概念、分类、土壤污染的特点及土地复垦和生态重建的主要污染因子。

城市表层土壤重金属污染的因子分析——重庆市不同区域的重金属污染浓度分析

本文采用因子分析对重庆市不同区域的重金属浓度进行了分析,运用SPSS17.0统计软件对数据进行处理。最后得出工业区重金属污染最为严重。为我国的环境污染防治工作提供了理论基础。

采测分离期间甘肃省泾河流域典型断面水质情况分析

以甘肃省境内泾河、蒲河与马莲河流域4个典型地表水监测断面“十三五”期间采测分离期间的监测数据为研究对象,对断面总体水质状况、不同监测指标浓度变化范围、典型污染因子变化趋势、典型污染因子超时段分布情况、各监测因子之间的相关性及各监测因子之间的联系进行分析,以及对污染物可能的来源和影响因素进行分析,为“十四五”期间甘肃省改善黄河流域水质环境质量提出了建议。结果表明,泾河流域主要污染来源受径流量大小影响较为明显,农村地区农业面源污染和农村污水收集处理设施可能是该流域污染物的主要贡献,从根本上调查并严控泾河流域的污染物来源,才是改善该地区环境质量的解决之道。

Factor Analysis on Quantity of Discharged Pollutants in Wastewater in Major Cities

The research performed statistical analysis on 186 data concerning the amount of discharged industrial wastewater, the amount of oxygen demand of industrial wastewater, the amount of ammonia and nitrogen discharged from industries, the amount of urban discharged domestic sewage, the amount of daily life chemical oxygen demand, and the amount of domestic ammonia and nitrogen to explore source of pollutants from wastewater and guarantee urban water quality.Factor analysis was then performed with SPSS according to discharge quantity of pollutants. The results should that the major pollutants are from domestic sewage it is expected scientific suggestions be proposed on water quality in our country.