硝化了的

Activated Sludge Model No.1 (ASM1) was used for bioreactor modeling. A case study was made for a complex activated sludge process including nitrification, denitrification and aeration. Optimization waas made for three reactor layouts.

采用ASM1模型来模拟生物反应，对包括硝化、反硝化和曝气等复杂过程的活性污泥废水处理系统进行了模拟和优化研究。

Terrestrial microorganisms play a vital role in soil nitrogen cycling. They participate in important ecological processes such as nitrogen fixation, ammonification, nitrification and denitrification.

土壤微生物在土壤氮循环中发挥着不可替代的作用，参与了包括固氮作用、氨化作用、硝化作用和反硝化作用等重要生态过程。

This paper studies some clean process used for the nitration of aromatic hydrocarbon,including liquid phase reaction and gas phase reaction.

介绍了当前研究开发中的几种芳烃的清洁硝化工艺，包括液相硝化和气相硝化。

Because the traditional resolver cellulose nitrate lustre-coating agent it does not bear the aging, the resistance to cold to be bad, shortcomings and so on hygienic performance difference receive the impact, but emulsion cellulose nitrate lustre-coating agent, although the comparison environmental protection and the hygienic performance are high, but because became the membrane glossiness to be bad and the emulsion long-term laying aside does not stabilize has limited its application.

传统的溶剂型硝化纤维光亮剂因其不耐老化、耐寒性差、卫生性能差等缺点而收到冲击，而乳液型硝化纤维光亮剂虽然比较环保且卫生性能较高，但因成膜光泽性较差和乳液长期放置不稳定而限制了其应用。

Moreover, the future application prospect and further study trend of aerobic denitrification were proposed.

并对亚硝酸型硝化反硝化的应用前景进行了展望，提出了其今后的研究方向。

The process of preparing NCAGE included the following steps: alkalization of the treated cellulose; etherification of the alkali cellulose; nitration of the water-soluble cellulose ether; and azidation of nitrocellulose glycidol ether.

利用高压蒸汽闪爆处理后的Novel纤维素为原料，经过碱化、醚化、硝化和叠氮化反应，得到了一种新型高能粘合剂——硝化纤维素叠氮甘油醚，并采用元素分析、DSC、FIT红外光谱和X-射线等对其含氮量、结构和性能进行了分析表征。

Effects of sonic factors, including dosage of catalyst, calcination temperature of catalyst, nitrated reaction time and recovered catalyst, on the selectivity of toluene in mononitration at the presence of silicotungstic acid catalyst were studied by gas chromatography.

通过气相色谱研究了诸如催化剂用量、催化剂焙烧温度、硝化反应时间、硝化反应温度及催化剂的重复使用等因素对甲苯硝酸硝化区域选择性的影响。

Ammonifying rate, nitrosifying rate,nitrifying rate and denitrifying rate were determined by measurement of conversion efficiency and accumulating rate of nitrogenous matter by ammonifying bacteria, nitrobacteria, nitrifying bacteria and denitrifying bacteria in the surface 0-1.5 cm of pond sediment from the intensive fish culture ponds.

通过对精养鱼池表层淤泥中氨化细菌、亚硝化细菌、硝化细菌和反硝化细菌对含氮物质转化率的测定，定量了解了上述细菌的氨化率、亚硝化率、硝化率和反硝化率。

Yield of nitrated porphyrins vibrated fiercely with different concentrations of nitric acid. It was found that nitration with 80% nitric acid (w/w, d = 1.45) could afford over 90% yield of mono nitrated TPP.

不同浓度的硝酸对硝化产物收率有较大的影响，论文首次以80%的硝酸为硝化试剂，适当条件下获得了收率超过90%的单硝化产物。

Here, Risk Assessment Code matrix method and runaway scenario analysis method were used to evaluate the thermal runaway criticality, and some reaction conditions were compared and analyzed as well. At last, based on the experimental results, the theoretical calculation was adopted to analyze the decomposition of nitration product and the electrophilic substitution mechanism of these nitration reactions. All these work are of important value for the correct evaluation of thermal risk and the decrease of chemical reaction runaway accidents.

本文采用风险矩阵法和失控情景分析方法评估此反应的热失控危险，对反应中的一些影响因素展开比较和分析，并结合实验结果，从理论角度进一步分析了各硝化产物分解的难易性和硝化反应亲电取代的硝化机理，这些工作对准确评估反应的热危险，减少反应失控事故具有重要的参考价值。

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。