脱氮的

For the high nitrogen mass fraction in coal tar,the hydrodenit...

由于煤焦油的氮含量较高，要达到较好的加氢脱氮效果必须在高温、高压和低空速下进行。

The effects of carbon source and C/N ratio on denitrification of aerobic denitrifier were investigated in the batch culture under aerobic environment.

利用间歇培养装置研究了好氧条件下丁二酸盐、乙酸盐和苹果酸盐3种不同碳源对好氧反硝化细菌X31脱氮性能的影响，并就不同碳氮比条件下菌株X31的反硝化能力展开了研究。

The nitrogen balance experiments show that most of nitrogen is removed as gas, so it achieves the aim of nitrogen removal.

同时，通过氮平衡实验反映出系统对氮的去除大部分是气态形式去除的，达到真正的脱氮目的。

The atmospheric phase is predominant in the global nitrogen cycle, in which nitrogen fixation and denitrification by miocroorganisms are of particular importance.

在全球氮循环中，气相是占优势的，其中，氮的固定和微生物的脱氮作用特别重要。

The atmospheric phaseis predominant in the global nitrogen cycle, in which nitrogen fixation and denitrification by miocroorganisms are of particular importance.

在全球氮循环中，气相是占优势的，其中，氮的固定和微生物的脱氮作用特别重要。

The soil nitrogen status is a function of the processes of nitrogen fixation , microbial decomposition, nitrification and denitrification

土壤氮状况是一个固氮、微生物分解、硝酸化和脱氮过程的作用。

Terramycin crystal mother solution contains high concentration of nitrogen as well as carbon.

土霉素结晶母液是一种含高硫高氮的高浓度难生物降解有机废水，采用前置反硝化法对其进行脱氮处理。

NH3-N is convered in to nitrogen under the condition of anoxic, which is termed as nitrification.

生物脱氮是指利用微生物将含氮化合物中的氮转化为氮气，它分为硝化和反硝化两个过程。

The catalytic activity and selectivity for hydrodesulfurization and hydrodenitrogenation were studied by using benzothiophene, dibenzothiophene and quinoline as model compounds.

在N2-H2下，利用程序升温还原氮化反应制备氧化铝负载的β-Mo2N0.78催化剂，并以苯并噻吩、二苯并噻吩和喹啉为模型化合物，考察该催化剂的加氢脱硫、加氢脱氮活性和选择性。

With the aim of enhancing the nonlinear optical property of poly, poly[(thiophene-2,5-diyl)p-(N,N-dimethylamino) azobenzylidene] is prepared from 4-aldehyde-4'-dimethylamino azobenzene and thiophene through condensation polymerization reaction.

为了提高聚噻吩甲烯的非线性光学性能，通过4-醛基-4'-二甲胺基偶氮苯和噻吩的缩聚反应，合成了聚噻吩对二甲氨基偶氮苯甲烷，再用PTDMAAB与四氯苯醌发生脱氢反应合成了侧链含偶氮的聚噻吩甲烯。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。