硝化的

Taking piggery wastewater with high ammonia nitrogen and organic concentrations as treatment object,the ANAMMOX-based nitrosation process was investigated under the condition of ambient temperature of 25 ℃ and constant pH.

以高氨氮、高有机物浓度的养猪场废水为处理对象，在室温(25℃)、不调节pH的条件下，研究了基于厌氧氨氧化的亚硝化过程。

Installed in surface aeration oxidation ditch with prepositive denitrification treatment, using the role of the mixture Gravity, it can achieve any reflux ratio requirements of process design by adjusting the cross-section area of water.

安装在设置有前置反硝化区的表曝型氧化沟内，利用混合液重力流的作用，通过调节过水断面面积，实现工艺设计的任意回流比要求。

For the excellent selectivity of HZSM-5, the ratio of p-mononitrochlorobenzene increased from 42% to 81%.

由于HZSM-5优异的择形性，对硝基氯苯在硝化产物中的比例从原先的42%提高到81%。

This paper deals with the effects of the extract from different parts of corn on capabilities of disconnecting nitrosodimethylamin synthesis and scavenging sodium nitrite.

在体外模拟胃液条件下，玉米各部位提取物均显示了较好的抑制亚硝化反应及阻断亚硝胺合成的作用，其阻断和清除率随提取物浓度的增加而增加。

Ache with tristearin, sodium or nitrify cotton is coagulating agent, adopt the legal system of two steps Bei technology, in 65 ℃ respond , shell mellow wine: tristearin acid: the best proportion of the sodium of sodium hydroxide is 91: 6.5: 1, compound with two methods solid shell mellow wine, at the same time join stabilizing agent , eliminate smoke dose , restrain volatilizer and fireworks modifier etc., is as hydration alumina eliminate smoke dose, raise the integral performance of solid shell pure fuel.

以硬脂酸钠或硝化棉为凝固剂，采用两步法制备工艺，在65℃时进行反应，甲醇：硬脂酸：氢氧化钠钠的最佳比例为91：6.5：1，用两种方法配制出的固体甲醇，同时加入稳定剂、消烟剂、抑制挥发剂、焰火改性剂等，如水合氧化铝作为消烟剂，来提高固体甲醇燃料的综合性能。

They can be chosen as a organic urea enzyme inhibitor.3 The adsorptive effect of some additive that the power of zeolite is ,which can adsorb big molecules and ions, is regard as a good additive.4 The adsorptive effect of some bond indicated that HA of turfy soil and CMC were both good bonds.

缓释氮肥PCF、磷钾肥和硝化抑制剂双氰胺进行三因素五水平的二次通用旋转组合模型设计：对于油菜硝酸盐在生育期内的动态变化规律来说，PCF、磷钾肥和双氰胺过高、过低都不利于油菜的正常生长，中量水平处理时较好。

Ontent of tyramine was determined in salted and dried small fish collected from high-risk area of gastric cancer in Zhuanghe County, Liaoning Province with high pressure liquid chromatography,and its mutagenicity after nitrosification was assayed.

胃癌高发区庄河县小咸鱼干中酪胺的致突变性孙长颢，陈炳卿，王舒然，王选杰摘要用高压液相色谱法对胃癌高发区小咸鱼干中的酪胺进行了测定及其亚硝化以后的致突变性检测。

This process utilizing modern efficient wire gauze wave-like packings sepa-rates three isomers of MNT(ortho-.meta- or para-), then the O-MNT or P-MNTis nitrated to produce military TNT by a mixture of nitric and sulfuric acid.

本工艺利用近代高效的金属丝网波纹填料分离MNT的三种异构体，然后用硝硫混酸把邻一或对一MNT硝化成军品TNT，这样可避免亚硫酸钠溶液精制TNT的工序。

Results of P-uptake experiments show that 11 isolates have denitrifying and P-uptake ability, and JB2 and JB3 identified as Pseudomonas and Alcaligenes have the best P-uptake ability. After 8 h, 13.76 mg/L and 11.85 mg/L PO(superscript 3- subscript 4)-P can be removed.

结果表明有11株菌均具有不同程度反硝化吸磷能力，其中假单胞菌属的JB2和产碱菌属的JB3脱氮除磷效果最好，8h后磷的去除量分别为13.76mg/L和11.85mg/L。

Understand the mechnism of aromatic electrophilic substitution reactions and the characteristics of the benzonium ion; grasp halogenation, nitration, sulfonation, Friedel-Crafts alkylation and acylation reactions; understand the effect of substituents on reactivity and orientation; know the side-chain reactions of alkylbenzenes and alkenyl benzenes; be familiar with the synthetic methods and application of derivatives of benzene.

了解苯环亲电取代反应机理及苯正离子的特性；掌握苯环卤化、硝化、磺化、Friedel-Crafts 烷基化和酰基化反应及取代效应；了解烷基苯、烯基苯的支链反应和苯衍生物的合成应用。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。