土壤养分的平衡分析结果表明，成都平原耕地土壤管理宜采取“稳氮、控磷、增钾”的施肥方法和严格控制各种点源和非点源污染物进入土壤。
The balance analysis results of soil nutrient indicated that the fertilization methods of cropland management in Chengdu Plain were firming nitrogen, controlling phosphorus and increasing potassium.
在华北平原北部研究了不同降水年型、不同水氮管理措施对冬小麦和夏玉米产量和氮素平衡的影响。
The effect of different rainfall years and different water and nitrogen management ways on winter wheat and summer maize was studied in northern part of north China Plain.
动力学模型需要大量的田间实测资料，主要应用于农田氮素循环、定量评价水氮资源利用率、优化水肥管理措施等方面。
The DPM method needs lot of field data, mainly to study nitrogen cycle in field, assess water and nitrogen usage efficiency and optimize management soil water and nitrogen fertilizer.
土壤中矿质态氮动态变化是秸秆还田管理决策的重要依据。
The management of the straw returning to the fields was closely related to the dynamics of mineral nitrogen in the soil.
结论对首次服用奥氮平治疗的患者及早采用饮食与运动量化管理，可有效控制体质量的增加，预防肥胖发生。
Conclusion Quantitative management of diet and exercises can reduce weight gain and prevent obesity in patients initially administered with Olanzapine.
中氮企业设备庞大、结构复杂、管理难度大，不同维修体制影响设备运行的状况与成本。
The equipment maintenance system influences the condition and cost of the equipment movement.
叶片碳氮比无损监测对于玉米生长诊断和管理调控提供具有重要的理论意义和应用价值。
Non-destructive monitoring of leaf soluble sugar to nitrogen ratio based on spectral information would be important is necessary for growth diagnosis and cultural regulation in maize production .
滇池流域环境管理项目主要是针对控制或削减磷的入湖负荷及其它如COD、BOD、悬浮物、氮等污染负荷而设置的。
The Dianchi basin environment management project aims at controlling or reducing the load of phosphorous into lake and the pollution load of COD, BOD, suspended matter and Nitrogen.
在生物脱氮除磷工艺中，污泥膨胀是运行管理的难题。
The expanding of sludge is a managing problem in nutrient and phosphorus removal system.
在生物脱氮除磷工艺中，污泥膨胀是运行管理的难题。
The expanding of sludge is a managing problem in nutrient and phosphorus removal system.
应用推荐