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1·Backwash cycle has more effect on ammonia nitrogen removal rate.

反冲洗周期对氨氮的去除率有较大影响。

2·The final reduction product of nitrate nitrogen is ammonia nitrogen.

硝酸盐氮的最终还原产物为氨氮。

3·The direct affected factor of nitrification was ammonia nitrogen loading.

氨氮负荷是影响反应器硝化性能的直接因素。

4·The soluble COD removal efficiency is above 90% and ammonia nitrogen removal is 24%.

颗粒污泥反应器对溶解性COD的去除率可达90%，对氨氮的去除率为24%。

5·In water, nitrogen exists in form of organic nitrogen, ammonia nitrogen, nitrite and nitrate.

在水中，氮是以有机氮、氨态氮、亚硝酸氮和硝酸氮的形式存在的。

6·Influence factors and rules for adsorption and ion-exchange of ammonia nitrogen by zeolite were analyzed.

分析了氨氮在沸石上发生吸附和离子交换的主要影响因素和规律。

7·The pitting corrosion potential of 316 stainless steel increases along with the ammonia nitrogen density decrease.

在模拟中水中，随着氨氮浓度的增加，316不锈钢的孔蚀电位减小。

8·Objective: An improved method of ammonia nitrogen in drinking water was developed for the ammonia in workplace air.

目的：建立与生活饮用水氨氮测定相匹配的方法来检测工作场所中空气氨。

9·The result of dynamic experiment for ammonia nitrogen removal from micro polluted raw water is studied in this paper.

介绍了一种微污染源水中去除氨氮的小型动态试验的结果。

10·The change of ammonia nitrogen concn . in the waterbody had no significant difference from that of the control group.

对于水体中氨氮的浓度，罗非鱼的影响则不明显。