1) N-saving effect
节氮效果
2) nitrated effect
氮化效果
3) nitrogen removal effect
脱氮效果
1.
The dissolved oxygen distribution and nitrogen removal effect in different structures of wetlands were investigated by two groups of comparison experiments(vertical flow with horizontal flow;single-stage with three-stage horizontal flow).
通过2组对比试验(垂直流与水平流湿地、单段式与三段式水平流湿地),考察了不同构型湿地中溶解氧的分布情况及脱氮效果。
4) nitrogen injection effect
注氮效果
5) effect of nitrogen conservation
保氮效果
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