您要查找的是不是：
- ESR spectrum show that reduced of heteropoly acid was occurred in vapor-phase nitration reaction of benzene. 66kg-NB/kg-cat·h。 ESR谱表明：杂多酸催化剂的钨在苯气相硝化反应中发生了还原反应。
- The hydrolysis and nitration reaction of tetraacetylhexaazaisowurzitane (TAIW) were studied under several nitration conditions. 摘要研究了四乙酰基六氮杂异伍兹烷在稀硝酸/催化剂介质中的水解硝化。
- Whether the nitration reaction can happen or not and whether gathering phosphorus germ can remove phosphorus effectively on high load were discussed. 对高负荷条件下硝化反应和聚磷菌有效除磷进行了探讨;
- The hydrolysis and nitration reaction of tetraacetylhexaazaisowurzitane(TAIW) were studied under several nitration conditions. 研究了四乙酰基六氮杂异伍兹烷在稀硝酸/催化剂介质中的水解硝化。
- This nitration reaction was innovated by using sulfuric acid as the proton donor instead of acetic acid and acetic anhydride, and solvent n-octanol could ... 硝化反应的创新处是用硫酸代替醋酸和醋酐,作为溶剂的正辛醇可不经处理循环使用。
- Reasearch and development direction of clean nitration reactions are also presented. 最后探讨了这些新型硝化工艺的发展前景。
- The alkalescent condition reduces the mass concentration of iron ions and fastens the nitration reaction of ammonia nitrogen, and leads to the concentration of nitrate. 偏碱性条件使铁离子质量浓度降低，同时促进了氨氮硝化反应进行，使矿井水中硝酸盐和亚硝酸盐质量浓度增加。
- A unique nitration reaction on phenyl rings is reported by mediation solely with Al(NO3)3 as a nitrating agent, proceeding in a way of electrophilic alkyl substitution. 摘要报道了一例特殊的苯环硝化反应：在硝酸铝作为硝化试剂的条件下，硝化反应是发生在取代烷基与硝基之间而不是苯环上质子与硝基之间。
- Nitropyridine-N-oxide was synthesized with pyridine as original reactant through N-oxidation and nitration reactions, by using water as medium, tungstic acid and sulfuric acid as catalysts. 在N-氧化反应中,因用水作为反应介质,钨酸和硫酸为催化剂,不仅降低了反应成本,减少了环境污染,而且N-氧化吡啶的产率较高为96。
- The effects of mixed acid nitratinyagent and its constitute,temperature, stirring and the feed-style of materialsetc.on the nitrating reaction has been introduced in this paper. 介绍了该工艺中混酸硝化剂及其组成和温度、搅拌、加料方式等对硝化反应的影响。
- According to the practice of nitrochloro benzene production in our plant,the effects of composition of mixed acid,temperature and stir on nitrating reaction. 根据我厂硝基氯苯的生产实践,概述了混酸组成、温度、搅拌等因素对硝化反应的影响。
- Could I ask for your reaction to this policy? 我能问一下您对这个政策的反应吗？
- Keywords Electrophilic substitution;Reaction mechanism;Nitration reaction; 亲电取代;反应机理;硝化反应;
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- I'm displeased at your reaction. 我对你的反应很不满意。
- The forces of reaction made reform difficult. 反动势力给改革造成了困难。
- His reaction on this matter is unexpected. 没料到，他对这件事的反应是这样的。
- The nitration of this may lead to dinitrotoluene. 对此的硝化会生成二硝基甲苯。
- A sharp reaction; a repercussion. 强烈反应后果，影响
- Their reaction was one of qualified praise. 他们的反应是一种有保留的称赞。
