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【答案】应助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ 爱与雨下: 金币+2 2013-05-17 21:08:59 mingkeng: 金币+20, 翻译EPI+1, ★★★★★最佳答案, 非常感谢,还免费送建议! 2013-05-17 22:27:07
Abstract
Livestock and poultry breeding to produce a large number of livestock and poultry waste water, bring a range of environmental pollution problems, and the relative concentration of pollution, dealing with difficult。Livestock wastewater directly discharged not only can contaminate surface water bodies, causing eutrophication, but also on groundwater and farmland ecosystem damage, or harm to human health.
This paper surveys the upstream region of Taihu Lake (Lakeside, Yixing, Wujin, Liyang, focus) the scale of livestock wastewater treatment, process and operating results, and learn the treatment process,Through their own learning and the teacher's guidance, to complete its evaluation of the economic, environmental risks, nitrogen and phosphorus reduction, and proposed a viable safety measures and recommendations, to provide a reference for the Taihu Lake Basin pollution control, and promote China's livestock and poultrywastewater treatment technology advances.
Keywords:Livestock wastewater;Scale;Crafts;Operating results;Evaluate
在你的关键词中,关键词之间应该用“;”这个号。还有,我觉得把你的关键词“评价”改为“污染治理”(Pollution control),“规模、工艺”不要。呵呵,只是一点建议。、、、、 |
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