英语人>网络例句>p-dimethylaminoazo-benzene 相关的网络例句
p-dimethylaminoazo-benzene相关的网络例句

查询词典 p-dimethylaminoazo-benzene

与 p-dimethylaminoazo-benzene 相关的网络例句 [注:此内容来源于网络,仅供参考]

The result indicates that the big π bond of benzene not only turns benzene into a Lewis base,but also makes it to undergo electrophilic substitution (halogenation,nitration,sulfonation and so on),rather than addition

结果表明,苯的环状大π键结构不仅使苯成为1个Lewis碱,而且使苯容易发生卤代、硝化、磺化等亲电取代反应,但不易发生加成反应。

The results also show that subtituent position on the benzene ring has a great influence on the transfer volume. The trends of change of δ〓ΔΦ〓〓 for mand p-isometers with the composition of the mixed solvent are similar. However, the position and amplitude of the limit valve are different from each other. These are discussed according to the inductive effect and the resonance effect.

研究发现:取代基在苯环上的取代位置对迁移偏摩尔体积有明显影响,间、对位取代的异构体在DMF-水混合溶剂中的δ〓Δφ〓〓随混合溶剂的组成变化规律相似,但极值点的位置及幅度有所不同,根据诱导效应和共轭效应对此进行了讨论。

All of the characters above have showed that liquid paraffin has commendable absorbefacient and relatively ideal desorption to organic exhaust gas (benzene is the standard substance to study organic exhaust gas purification), and has good prospects of research and application.

但是,为得到更多的应用数据,液体石蜡吸收剂的基础性研究还应在多种有机溶剂中进行。同时,液体石蜡吸收剂的抗氧化性和吸收效果的改善等问题也有待于进一步研究。

The depreciation of US dollars causes oil price rising, and at the same time, the prices of domestic chemical material will rise obviously, like Pure Benzene. So, the produce cost of accelerant made in China will be going up, too.

橡胶化学品的最新价格比上次给你确定订单时已经上涨了超过5%,况且我们给你的是非常低的价格,所以我认为你第一个订单所有的产品有足够的价格竞争力。

Acenaphthene was dehydrogenated to afford acenaphthylene by photochemical reaction with N bromosuccinimide in benzene with the addition of quinoline at room temperature and atmospheric pressure was studied.

在常温常压下,以苯作为溶剂,加入喹啉,使苊与N-溴代丁二酰亚胺发生光化学脱氢反应生成苊烯。

Some by-products are benzene, acetone, xylene, formaldehyde, and acetaldehyde.

一些副产品都是苯、丙酮、二甲苯、甲醛和乙醛。

Objective:The research niter benzene puts down to the recovery period fluorine acetamide is poisoned patient's electroencephalogram influence.

目的:研究硝苯地平对恢复期氟乙酰胺中毒患者的脑电图的影响。

Methods:Is poisoned case of illness the fluorine acetamide stochastically to divide into the treatment group and the comparison group, two groups both use the conventional treatment, in this foundation, to treats the group case of illness after to be poisoned a week to give the niter benzene even treatment.

目的:研究硝苯地平对恢复期氟乙酰胺中毒患者的脑电图的影响方法:将氟乙酰胺中毒病例随机分治疗组和对照组,两组都使用常规治疗,在此基础上,对治疗组病例在中毒1周后给予硝苯地平治疗。

This dissertation deals with the synthetic method of benzotellurazoles containing various substituents in benzene nuclei: introducing tellurium atom to the acetanilide derivatives in ortho-position by direct or indirect ways, then reduced and cyclized to give substituted benzotellurazoles directly or indirectly.

本文系统研究了含各类取代基的苯并碲唑杂环的合成方法,即向原料中用四氯化碲以直接或间接定位的方法引入碲,再经过直接或间接还原关环法制备苯并碲唑。

Acridine and body is acetone of synthetic pyridine, acetyl, right among its amino phenol, adjacent benzene the product such as 2 phenol, will be " 95 " the market develops a stress.

医药原料及其中间体合成吡啶、乙酰丙酮、对氨基苯酚,邻苯二酚等产品,将是"九五"市场开发重点。

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In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代,船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单,希望发动新暴动的人便寥寥无几。

Speak with contempt of none,form slave to king,the meanest bee,and will use,a sting.

别用 言词贬低任何人,无论国王还是奴隶。最卑戝的蜜蜂也会用它的毒针蜇人。