However, the contents of NH4 + -n in the Purplish clayey soil were significantly increased by water-logged incubation or by nitrogen fertilizer added.
而外加氮源或淹水处理对青紫泥nh4 +- N含量的提升作用则贯穿于培养试验的全过程。
The results showed each group of Gracilarla tenuistipitata Var. liui has effectively degrade of NH4-N and PO4-P(p<0.05).
结果表明细基江蓠繁枝变种各密度组对NH4-N和PO4-P都有明显的降解效果（p<0.05）。
The variety of EC were different. In the aerated static box compost, the trend of C/N, NH4+-N and OUR were in evidence and the data went consistent at the end of composting.
EC值在堆肥的过程中的变化规律不同实验数据表明在通气静态仓堆肥条件下，堆肥过程中的C/N、NH4+-N和OUR的变化趋势比较明显，而且在堆肥结束时的数值趋于一致。
It is characterized of autotrophic ANAMMOX bacteria transferring NH4 + -n to N2 in anaerobic condition.
它是指在厌氧条件下由自养型anammox细菌将NH 4 +- N直接转化为n2。
In this paper, we simulated riverbank filtration system, and made room dynamic experiments, reviewed the environmental behavior of NH4 + -n and aniline in the column.
本文模拟河岸渗滤系统，进行室内动态土柱实验，探讨了氨氮和苯胺的环境行为。
The influent of NH4 + -n loading to the effect of their removal.
NH 4 +- N的进水负荷对其去除效果的影响。
The relationship between community distribution of ammonium oxidizing bacteria and the removal rate of NH4-N is meaningful to improve the treatment performance of CRI.
关于CRI系统中氨氧化菌的空间分布规律及其与NH4-N去除率关系的认识，为工艺改进和效果提高提供了理论基础。
When used to treat wastewater composed NH4+-N and organic carbon source, the nitrifying activated sludge pellets and the activated sludge pellets can also produce SND phenomenon in a certain extent.
当处理有机氨氮废水时固定化硝化污泥颗粒和固定化活性污泥颗粒均可实现一定程度的单级生物脱氮。
This relationship would influence the NH4-N concentration in effluent. For a BAF with nitrification function, the relationship is very important.
这种关系直接影响到滤池出水中的氨氮浓度，这一点对曝气生物滤池的运行，具有重要意义。
This relationship would influence the NH4-N concentration in effluent. For a BAF with nitrification function, the relationship is very important.
这种关系直接影响到滤池出水中的氨氮浓度，这一点对曝气生物滤池的运行，具有重要意义。
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