Nitrogen dynamics and removal in a horizontal flow biofilm reactor for wastewater treatment...
氮动态和在横流生物膜反应器去除废水处理。
Dynamics of different soil nitrogen pools after application of urea with DCD or organic materials were studied by aerial incubation method.
采用好气土壤培养试验，研究了尿素配施有机物料和DCD条件下土壤不同氮库的动态。
The management of the straw returning to the fields was closely related to the dynamics of mineral nitrogen in the soil.
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 Fulaowenpao and Erbaifangzi wetlands were chosen as typical sites to study the characteristics of seasonal dynamics of total nitrogen in marsh soils from both closed and open wetlands.
以向海湿地为研究对象，研究了封闭性湿地和开放性湿地土壤全氮含量的季节动态变化特征及其氮储量。
The dynamics of various soil nitrogen pool after nitrogen fertilizer application at wheat seedling stage was studied by pot experiment and 15n trace technique.
应用盆栽试验和15n标记技术研究了小麦苗期施入N肥后土壤不同N库的动态。
The dynamics of various soil nitrogen pool after nitrogen fertilizer application at wheat seedling stage was studied by pot experiment and 15n trace technique.
应用盆栽试验和15n标记技术研究了小麦苗期施入N肥后土壤不同N库的动态。
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