nitrogen 六级考研GMAT

Conclusions Obvious negative nitrogen balance and hypoalbuminosis occur after surgery for tumors of digestive system.

结论消化道肿瘤病人术后可出现明显的负氮衡和低蛋白血症。

Every tonne of coal contains,on average,30 kilograms of nitrogen.

每吨煤均含30公斤氮。

Algae microorganisms in the water overpopulate because of the surplus nitrogen.

水中的藻类微生由于氮的富余而过度繁殖。

The corresponding solving methods,exsiting in the determination of the amino nitrogen by Nashi colormetric method.

针对纳氏比色法测定氨氮过程中存在的问题,提出了应的解决办法。

The experimentation inspected the infection of hydraulic load, organic load, ammonic nitrogen load, the ratio of gas and water, the height of filling to removal efficiency of COD and ammonic nitrogen.

本试验以自配生活污水为试验用水,考察了水力负荷、进水有机负荷和氨氮负荷、气水比、填料层高度对曝气生滤池处理COD和氨氮效果的影响。

The meso carbon atom of the methine linkage of the dye is attached to the nitrogen atom of a group which forms an enamine with the methine linkage of the dye.

该染料甲川链上的碳原与氨基的氮原，而该氮原又与染料的甲川链形成烯胺。

Legumes are especially good of itat this. any Any crops are sharing the thing same space , and can get the nitragin nitrogen as the root did composeroots decompose.

豆类植是尤其擅长这一点的，当根部分集的时候，分享同空间的任何植都能够得到氮。

Nitrene is a very important kind of of ganic active intermediate to synthesize the compounds containing nitrogen,which has the characters of high reactivity,diversity of reaction type and so on.

氮烯是合成含氮化合的一类重要的有机活性中间体,具有反应活性高、反应类型多样等特点,在材料学、生命科学等高新科技领域中有着广泛的应用。

An average summer output in excess of 900 kg . liveweight per ha. could not have been obtained if there had been a complete reliance on clover nitrogen.

要是完全依靠三叶草的氮，要在夏季获得每公顷草场900公斤以上的活体增重，是不可能的。

At the same time of adding neutralizing agent the basic fertilizer containing nitrogen, phosphorous and potassium can be added so as to obtain the invented azophoska.

本发明还可在加入中和剂的同时加入含氮、磷、钾的基础肥料制成氮磷钾复合肥料。

In this paper,the relation of heterotrophic bacteria to nitrogen and phosphorus in marine environment is studied by adding nitrogen and phosphorus to the seawater in mesocosm.

利用海洋围隔生态系统实验装置,向海水中施加不同浓度的氮和磷,研究海洋异细菌与海水环境中氮、磷的关系。

The most common method of biological nitrogen removal is by combining the nitrification of the autotrophic nitrobacter and nitrosomonas with the denitrification of heterotrophic denitrifying bacteria.

生除氮最常利用的是将自性硝酸菌、亚硝酸菌之硝化作用与异性脱硝菌之脱硝作用结合。

Triaminoguanidine is a kind of non-azide nitrogen-rich flammable compound, which has some advantages of high nitrogen, good thermal stability, and high positive formation enthalpy, etc.

摘要三氨基胍是一种非叠氮类、富氮型、可燃性化合，其系列含能化合具有高的正生成焓、热稳定性好、氮含量高等特点。

The water eutrophication is caused by the incessant accumulation of nitrogen and phosphorus in water and excessive propagation of a few of algal and hydrobios.

摘要水体中氮磷质不断积累，部分藻类及水生生的过度繁殖，导致了水体的富化。

It is equipped with asphalt return tube, anti-puffing pressure vent valve, anti-aging overhead nitrogen valve, thermometer, volumeter and output asphalt rapid discharge valve and coupling.

配备沥青溢流管、防冒液呼吸阀、防老化顶置充氮阀、温度计、容量计和输出沥青的快速卸料阀及接耦。

Two different kinds of palladium complexes of nitrogen containing polymere havebeen prepared and their catalytic actions for p -nitro -methyl benzfene have been invertigeted.

制备了两种不同的含氮高分-钯络合，并研究了它们对对硝基甲苯的催化活性。

The results indicate that the modification by heating and acids could not significantly increase the adsorption capacity of the modified stellerite for ammonia nitrogen.

结果表明，加热改性与无机酸改性不能显著提高沸石对氨氮的吸附量。

It was found that the sulphonamide group and the substituents on nitrogen atom within the molecule would effect the properties of these dyes.

坚牢度和光谱特性,发现磺酰胺基和在它的氮原上的取代基会影响该类染料的性能。

A method for determination of nitrogen in N-MnFe by titrimetry with amidosulfonic acid after alkaline distillating separation has been studied in this paper.

本文研究了强碱蒸馏分离-氨磺酸滴定法测定氮化锰铁中氮的分析方法。

In the last few years,the tripodal ligands bearing nitrogen atoms have drown much attention because of their polydentate,flexility and ease to synthesize.

近年来,含氮三角架配体由于其多配位点、半刚性及易合成等特点,引起了人们的广泛兴趣。