查询词典 nitration

Under optimum conditions, the yield of nitration of chlorobenzene was 70%, and para-selectivity was 85%.

研究表明，在最佳反应条件下，氯苯硝化反应得率达到70%，对位选择性为85%。

With HZSM-5, nitration of chlorobenzene by N2 05 has been investigated.

本文研究了在HZSM-5分子筛催化下，五氧化二氮对氯苯的硝化反应。

The invention is to carry out heterotrophic nitrifying phenomenon from the biology angle by screening heterotrophic nitrifying bacteria and the technology is the condition precedent to carry out short-range self-synchronous nitration and denitrification.

本发明的目的是采用筛选异养硝化菌的方法，从生物学角度实现异养硝化现象，该技术是实现短程同步硝化反硝化的先决条件。

The nitration products of m -cresol were 4-nitro- m -cresol and 6-nitro- m -cresol, and the yields of 4-nitro- m -cresol and 6-nitro- m -cresol were 19% and 30%, respectively.

间甲酚消化反应的产物是4-硝基间甲酚和6-硝基间甲酚，它们的产率分别是19%和30%。

NPR process ; Nitrogen and phosphorus removal ; Nitration and denitration ; Reclaimed water

NPR工艺；脱氮除磷；硝化反硝化；再生水

Under this condition, the system can achieve the best nitration and denitrification effect, and also can guarantee the better remove effect of organic matter.

系统在此条件下能够达到较佳的硝化和反硝化效果，并能保证较好的有机物的去除效果。

The probable reactions of the adamantane,for example halogenation , alcoholization, nitration and alkylation,are summarized.

文章从分子设计的角度综述了金刚烷可能发生的化学反应，如卤化、羟基化、硝化、烷基化等；同时探讨了金刚烷化学反应的机理，为金刚烷在精细化工领域的深层次应用打下基础。

The manufacture of chemicals from petroleum is based on the ready response of the various compound types to basic chemical reactions, such as oxidation, halogenation, nitration, dehydrogenation, addition, polymerization, and alkylation.

从石油生产化学品的依据是各种类型的化合物对各种基本的化学作用感应迅速，如氧化作用、卤化作用、硝化作用、脱氢作用、添加作用、聚合作用和烷基化作用。

The manufacture of chemicals from petroleum is based on the ready response of the various compound types to basic chemical reactions, such as oxidation, halogenation, nitration, dehydrogenation, addition, polymerization, alkylation.

从石油生产化学品的依据是各种类型的化合物对各种基本的化学作用感应迅速，如氧化作用、卤化作用、硝化作用、脱氢作用、添加作用、聚合作用和烷基化作用。

Ure of chemicals from petroleum is based on the ready response of the various compound types to basic chemical reactions, such as oxidation, halogenation, nitration, dehydrogenation, addition, polymerization, and alkylation.

从石油生产化学品的依据是各种类型的化合物对各种基本的化学作用感应迅速，如氧化作用、卤化作用、硝化作用、脱氢作用、添加作用、聚合作用和烷基化作用。

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。