Under base employ of the coated urea, the total N concentration of farm surface water was near the contract level, and the possibility via runoff was very little.
结果表明，包膜尿素在基施情况下，田面水总氮浓度始终接近对照水平，通过径流损失的可能性很小。
The parameters considered in this study were depth of stratum, fine content, D50, depth of water level, plastic index, SPT-N and PGA.
在这项研究中考虑的参量是地层的深度， D50， 水平面的深度， 塑料索引， SPT-N和PGA。
The strategies include chemically enhanced settlement, pre-aeration, addition of N-adsorption media and P-adsorption media, high, middle and low water level and dynamic saturation line within the.
改进方法包括化学强化预处理、预曝气、添加氮吸附介质、添加磷吸附介质、湿地高浸润线、中浸润线、低浸润线和动态浸润线运行。
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