1) nitrogen loss
氮流失
1.
Research on characteristics of nitrogen loss in sloping land under different rainfall intensities;
不同雨强下坡地氮流失特征
2.
Characteristics and influencing factors of nitrogen loss of subwatershed;
小流域氮流失特征及其影响因素
3.
Recently the emphasis has been concerned with the environmental effects of nitrogen losses from farmland.
随着氮肥的过量施用,农田氮流失容易造成农业非点源污染。
2) nitrogen losses
氮流失
1.
Effect of drainage controlling devices on nitrogen losses in surface runoff of farmland;
减少氮流失的田间地表控制排水措施研究
2.
The study was performed to define the nitrogen losses in small watershed area of Shanzi reservoir,the second largest source of water for Fuzhou.
为研究福州市第二水源地——山仔水库天然降雨条件下非点源污染物中氮流失特征,选取涵盖山仔水库库区主要土地利用类型的典型小流域为研究对象,对4次降雨径流的全过程进行了氮浓度测定,对降雨过程中的径流量及氮浓度随径流量的变化进行了监测研究。
3) nitrogen loss
氮素流失
1.
Nitrogen loss in rice-wheat cropping farmland and its control measures;
稻麦轮作农田氮素流失及控制对策研究
2.
An experimental research on soil erosion and nitrogen loss under different vegetation cover;
不同植被对土壤侵蚀和氮素流失的影响
3.
Soil nitrogen loss processes resulted from rainfall and runoff were monitored in a small agricultural catchment of red soil areas in Jiangxi Province with the aim to investigate the relationship between the soil nitrogen loss and the corresponding rainfall and runoff.
以江西低丘红壤区农业小流域为研究对象,在自然降雨条件下对小流域内试验小区、上游灌渠和小流域出口径流中的氮素浓度进行监测,旨在从小区尺度和小流域尺度阐明农业小流域氮素流失与降雨和径流的关系。
5) nitrogen losses
氮素流失
1.
On the basis of water-nitrogen coupling balance theory and field observation results,a simple but comprehensive model was developed to predict nitrogen losses from a urea applied rice paddy field,considering all the important hydrological pathways such as surface runoff,lateral seepage,and vertical leaching.
基于水氮耦合平衡理论和田间实际观测,开发了一套既简单又综合的水田氮素流失特征模拟模型。
6) nitrogen and phosphorus loss
氮磷流失
1.
Characteristics of nitrogen and phosphorus losses with surface runoff in typical sub-watersheds of Jiulong River watershed.;
九龙江流域典型汇水区地表径流氮磷流失特征分析
2.
The characteristics and status and transfer law of soil and water loss and nitrogen and phosphorus loss in the mesa areas of Dianchi lakeside are analyzed.
针对滇池台地区地形及土地利用破碎、类型复杂、功能混乱等特点,提出源头削减、域内因地因类制宜控制、分项模块治理,采取生物工程措施与辅助工程措施相结合的技术手段,形成一套完整的台地水土和氮磷流失控制集成技术。
3.
The paper introduces the research on comprehensive control technology of soil and water loss and nitrogen and phosphorus loss in stormed crack and excessive eroded soil in Dianchi lake basin.
介绍了滇池流域冲沟和强侵蚀区水土和氮磷流失控制研究的内容、方法及取得的效果等。
补充资料：流失
①指自然界的矿石、土壤自己散失或被水、风力带走，也指河水等白白地流掉：水土～ㄧ建造水库蓄积汛期的河水，以免～。②泛指有用的东西流散失去：肥效～ㄧ抢救～的文物。③比喻人员离开本地或本单位：人才～。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条