查询词典 nitration

By simple separation of the fluorous phase containing only catalyst, the nitration as repeated many times.

含有催化剂的氟相通过简单的相分离，就可回收利习。

The efficiency of any automatic safety device should be checked before every nitration.

每种自动安全装置应在每次硝化前进行检验。

They then measured the relative levels and patterns of nitration in the 29 "candidate" proteins and found significant increases in six of them.

然后，她们检测这29中"候选"蛋白质中硝化反应的相对强度和形式，结果表明6中蛋白质的硝化反应大大增加。

Protein tyrosine nitration, a ubiquitous post-translational modification, is a special form of oxidative damage.

蛋白质酪氨酸硝化，是一种普遍存在的蛋白质翻译后修饰，是机体在氮氧化物存在条件下氧化损伤的特殊形式。

Nitration of tyrosine by PON was assessed by high-performance liquid chromatography.

硝化酪氨酸的评估无源高效液相色谱。

Protein tyrosine nitration is an important posttranslational modification involving a variety of diseases.

蛋白质酪氨酸硝基化是一种重要的蛋白质翻译后修饰，与多种病症相关。

Nitrations of both hydroxyl- and acetamino-substituted porphyrins were found to take place at the adjacent position of the substituent in the very aryl ring, whereas nitro group was guided into para positions of unsubstituted phenyl ring during the nitration of nitro-substituted porphyrin.

结果表明，羟基和乙酰氨基卟啉的硝化反应发生在与该取代基处于同一芳环的meta位，而硝基卟啉进行硝化时，硝基取代于其他未取代苯环的para位。

The results indicate that excellent nitration of NH,-N need the sufficient removal of COD to prevent the restrain of toxicant on the nitrobacteria.

指出NH_3-N完全硝化的前提是废水中COD的充分降解，以消除有毒物质对硝化菌的抑制作用。

The hydrolysis-nitration of nitrosamine products of the incomplete oxidation products of HBIW have been studied.

研究了亚硝解产物的水解硝化反应。

Synthesis of target compounds namely: to vanillic acid as the starting material with methanol under reflux conditions for 4 - hydroxy -3 - p-methyl, then ether, and nitration, reduction, cyclization reaction 6 - methoxy -7 - benzyloxy-quinazoline -4 - one, and then by the chloride in place of aniline, benzyloxy-off, such as etherification reaction of the target compounds; target compounds with the second and third occurrence of substitution reactions of amines by the TM1, that is, 4 - amino-benzene -6 - methoxy -7 - [2 - hydroxy -3 -(N, N-diethyl amino) oxy c] quinazoline; with ether occurred Ornidazole reaction of TM2, namely, 4 - amino-benzene -6 - methoxy -7 - [2 - hydroxy -3 -(2 - methyl -5 - nitroimidazole) C oxy] quinazoline.

本论文以嘌呤类似物喹唑啉为母核，分别在其4位和7位引入结构多样的取代苯氨基和柔性侧链，设计了一系列4-取代苯胺基-6-甲氧基-7-(2-羟基取代丙氧基)喹唑啉类化合物。目标化合物的合成即：以香草酸为起始原料，与甲醇回流条件下得到4-羟基-3-甲氧基苯甲酸甲酯，然后经过醚化、硝化、还原、环合反应得到6-甲氧基-7-苄氧基喹唑啉-4-酮，然后再经氯化、取代苯胺、脱苄氧基、醚化等反应得到目标化合物；目标化合物与二乙胺发生胺取代反应得到了TM1，即4-苯氨基-6-甲氧基-7-[2-羟基-3-丙氧基]喹唑啉；通过与奥硝唑发生醚化反应得到TM2，即4-苯氨基-6-甲氧基-7-[2-羟基-3-(2-甲基-5-硝基咪唑)丙氧基]喹唑啉。

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。