脱氮的

One-step autotrophic nitrogen removal process, which means theexperiment is carried out in one re.

单级自养脱氮技术就是在不外加有机碳源且在一个反应器内实现脱氮的积极探索，该工艺具有简易、高效、低能耗的显著优点。

In the successful achievement of autotrophic nitrogen removal for nitrite,the effect of nitrite concentration on nitrogen removal in anoxic bio-film filter was investigated.

在成功实现亚硝酸盐自养脱氮的基础上，探讨了亚硝酸盐浓度对缺氧生物膜滤池脱氮性能的影响。

In this paper, the fundamental mechanism of biological denitrification and phosphor removal and their present situation and progress are presented.

讨论了城市污水生物除磷脱氮的基本原理，综述了城市污水脱氮除磷机理方面的研究现状和进展。

The results revealed that the denitrification optimal pH and temperature was at pH 7.5 and 30℃.

在实验结果中，最佳脱氮的酸碱度为 pH 7.5、而脱氮菌最适生长温度为30℃，在持续反应96 小时每12 小时检测一次，硝酸氮从 3500 ppm 降至240 ppm ，其脱氮率为90﹪以上。

Based on the latest results of the study of dephosphorization and denitrification in China and outside China, the mechanism of and process for dephosphorization and denitrification by aerobic granular sludge were approached and studied.

结合近年来国内外除磷脱氮的最新研究成果，对好氧颗粒污泥除磷脱氮的机理及工艺进行了探讨和研究。

In the study XRD, FT-IR, PCR amplificator, 373A DNA sequencer, GC, electrophoretogram and TEM apparatuses and so forth are used to give a way for accurately scientific research. It chooses two kinds of petrochemical industry wastewater as object of study. One is the mixture of seawater and freshwater and the other is freshwater. In the course of the research, the two kinds of petrochemical wastewater are studied in the laboratory and refinery by using CBDS, and it has got a good result.

在研究过程中，选择了海淡混合水和淡水石油化工废水作为复合生物脱氮的研究对象，利用生物反应器、气相色谱仪、X-射线衍射仪、PCR扩增仪、DNA序列分析仪、电泳仪、扫描电镜和透射电镜等仪器设备，研究了CBDS生物体系和生物载体系统，并确定了石油化工废水复合生物脱氮工艺最佳操作条件。

In addition, under the above-selected nitrosification condition, the immobilized cells N4 and B08 were used for the combined short-cut biodenitriflcation with the ratio of immobilized cells 1:1 and the seed volume 15%, 27h the denitrogenation efficiency reached 97.53%; the immobilized cells N4 and B08 were used to do denitrogenation application test on eutrophic lake water of our school, 12h the NH4+-N removal rate was 84.06%.

在以上所选亚硝化条件下，按1：1的比例，亚硝化细菌N_4和反硝化细菌B_(08)固定化细胞接种量为15％，广西大学硕士学位论文固定化微生物捷径生物脱氮的研究作联合捷径脱氮试验，27h脱氮率为97.53%；并作本校富营养化湖水的脱氮应用试验，处理12h，NH4十一N去除率为84.06%。

The nitrogen in fossil fuels is more refractory than sulfur, and microbial approaches for petroleum denitrogenation could be beneficial as the classical hydroprocessing methods are costly and unefficient.

化石燃料中所含的有机氮较有机硫更难以去除，常规的化学脱有机氮技术高压加氢法处理燃油能耗高，处理效果不理想等方面的缺陷使人们思考生物脱氮的可能性。

The nitrogen removal experiment implies that the nitrogen removal efficiency is very high. The ratio of NH_4~--N/TN is approximately equal to the ratio of TN removal. TN removal efficiency is mainly affected by the influent NH_4~--N concentration, and the optimal TN removal efficiency can be prejudged by the ratio of influent NH_4~--N/TN.

通过对反应器的脱氮研究，发现该反应器的NH_4~--N去除率非常高，发现进水NH_4~--N／TN的百分比值基本上与总氮的去除率一致，脱氮的效果基本取决于进水氨的浓度，最佳的TN的去除效率能通过进水的NH_4~--N／TN比例来判断。

Basis of factual situation advance the practical project. These contents can be referenced in improvement and exploiters of technology later.

基于我国的实际情况提出了烟气脱氮的可行方案，从而为工业废气脱氮技术的进一步开发和研究工作提供参考。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。