参考国内外大量文献资料，根据潜流式人工湿地的常规工艺和脱氮机理，本文总结并提出了一些提高污水氮去除率的方法。
According to the general process for SFS and the mechanism for denitrification, the text represents several methods to improve the ability of removing nitrogen.
利用1957~2004年盘锦湿地常规气象资料，分析了盘锦湿地的日照、温度、降水和风速的变化特征。
The characteristics of the sunlight, temperature, precipitation and wind speed were analyzed with conventional meteorological data from 1957 to 2004 in Panjin wetland.
湿地稻-鸭复合生态系统直接的经济效益也远高于常规稻田。
What's more, the direct economic benefit of the rice-duck complex ecosystem was higher than that of the conventional paddy fields.
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