total nitrogen [肥料] 总氮 ; 总氮量 ; 全氮
Determination of total nitrogen 总氮的测定 ; 氮的总含量测定
Determination of total nitrogen content 氮总含量的测定
total nitrogen accumulation 氮素积累总量 ; 积累总量
leaf total nitrogen content 叶片全n量
soil total nitrogen content 土壤全氮
total nitrogen oxide 总氧化氮
integrated total nitrogen input 稀释原理的盆栽砂培
The system based on the pledged average total nitrogen removal rate of 98.2%, obtained good short-cut nitration effect, the subnitration of each aerobic reaction was all above 95%.
系统在保证平均总氮去除率98.2%的基础上，获得了较好的短程硝化效果，各好氧反应段的亚硝化率均在95%以上。
The contents of total nitrogen had a significant positive relationship with the soil organic carbon.
人工林土壤全氮与土壤有机碳含量之间呈显著的线性正相关。
Contrast to soil available nitrogen, soil total nitrogen was not influenced by the environmental factors.
而优势物种和功能群组成对土壤全氮的影响作用相对较弱。
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