摘要
通过对长河主要污染物CODcr和NH3-N近6年来的污染变化研究,分析长河水质污染状况的变化规律,结论为污染加重。
Through researching the pollution change of main pollutants CODer and NH3-N in last six years in Changhe River, this paper analyzes the changing regularity of water pollution of Changhe River, and draws a conclusion that the pollution is more and more serious.
出处
《科技情报开发与经济》
2008年第11期136-137,共2页
Sci-Tech Information Development & Economy
