Objective: To study the synthesis of methyl 4-aryl-thiophene-2-carboxylate derivatives.
目的:研究2 -甲氧羰基- 4 -芳基噻吩衍生物的合成工艺。
GB for the benzene thiophene content requirements are clearly defined.
国标中对于苯中噻吩含量要求有明确的规定。
Thiophene is removed from a multicomponent gas mixture by using activated carbon as carrier. The sweetening agent of thiophene is recoverable and reusable.
利用以活性炭作载体的脱硫剂脱除混合气中的噻吩,该脱硫剂可再生使用。
For Qinghai and Iran coals, the removed organic sulfur was in the form of thiophene.
应用此工艺从青海煤和伊朗煤中还可脱除噻吩形态的有机硫。
Thiophene as benzene in the production process of an impurity, its downstream users for a greater impact.
噻吩作为苯生产过程中一种杂质,其对于下游用户的影响较大。
The present invention relates to a novel class of hydroxamic acid derivatives having a benzothiophene or thiophene backbone.
本发明涉及一类新型的具有苯并噻吩或噻吩骨架的异羟肟酸衍生物。
Formic acid concentration, activated carbon dosage and initial hydrogen peroxide concentration, reaction temperature affect the oxidative removal of thiophene.
甲酸浓度、活性炭加入量、过氧化氢初始浓度及温度对噻吩硫的氧化脱除均有影响。
Through the simulation experiment it is concluded that sulphur can react with different kinds of chain compounds to form thiophene series compounds.
通过模拟实验发现硫能和各种链状化合物反应形成噻吩系列化合物。
The results show that thiophene can inhibit effectively the coking of light gas oil in promoting pyrolysis of light gas oil and increase the olefine yields.
结果表明噻吩能有效抑制轻柴油的结焦,并可促进轻柴油裂解,提高烯烃收率。
The results show that not on ly the high quality benzene is acquired but the thiophene is recycled as well.
计算结果表明:该法既可以获得高质量的苯,又可以回收噻吩。
Gasoline and a simulated oil which consists of heptane and thiophene were used respectively in the desulfurization experiments.
正庚烷中加入少量噻吩配制成模拟油品,将模拟油品和汽油分别配制成两种乳状液进行脱硫实验。
At room temperature, thiophene is a colorless, odor, can tear liquid.
在常温下,噻吩是一种无色、有恶臭、能催泪的液体。
From the structural point of view, thiophene is a heterocyclic compounds, but also a thioether.
从结构式上看,噻吩是一种杂环化合物,也是一种硫醚。
Electrochemical measurement displayed that the band gaps of the polymers as well as porphyrin dyes were reduced by introducing thiophene units, thus improved the charge mobility.
电化学测试结果表明由于噻吩单元的引入,卟啉聚合物和小分子染料的能隙都降低了,从而有利于电荷的注入和传输。
The main component of sulfide in gasoline is thiophene, it can reach about 70 % in all over the sulfide, then is mercaptan and sulfur ether.
汽油中的硫化物主要是噻吩,占整个硫化物的70%左右,其次是硫醇和硫醚。
Like furan, thiophene is aromatic.
和呋喃一样,噻吩是芳香性的。
The coke deposited due to thiophene impenetrated into all the pores and some of them could form mechanical pore on catalyst surface.
含噻吩原料加氢裂化生成的积炭,存在于不同孔径的孔中,在催化剂表面形成少量机械孔。
The scheme initially involves acylation of thiophene using a carboxylic acid to afford the acyl thiophene.
这条路线是先用羧酸使噻吩已酰化制得酸基噻吩。
Firstly we studied the physical structures of a regioregular poly(thiophene) modified by alkyl groups.
一方面是研究烷基改性的头-尾连接聚噻吩的物理结构。
The invention provides application of a thiophene compound in preparing medicaments for resisting tumors.
本发明提供一种噻吩类化合物在制备抗肿瘤药物中的应用。
This works put forward a method of synthesis of thiophene alcohol and discuss carefully the way of reducing by-product and condition of brominating and Gall's.
提出了可工业化的噻吩乙醇的合成方法,并详细地讨论了降低副产物生成的途径。对溴化和格氏化条件进行了研究。
Moreover, the structure, growth mechanism of carbon micro-coils and the effect of thiophene were discussed.
另外,对碳微线圈的结构、生长机理以及噻吩的作用进行了初步研究。
Kinetics study indicated that the adsorption rate of thiophene on activated carbon can be described as a pseudo-second order rate equation.
吸附动力学研究表明,噻吩在活性炭上的吸附速率可以用拟二级速率方程来描述。
Such is the case in pyrrole, thiophene, and furan.
吡咯,噻酚和呋喃的情况就是这样。
The results show that the number of thiophene units affects the properties of one-photon absorption and two-photon absorption.
结果显示噻吩单元的数目影响分子的单光子和双光子吸收性质。
The investigation on thiophene to chloromethylation reaction temperature and feedstock blending proportion shows that thiophene in coking benzene can completely convert into thiophene polymer.
通过对噻吩的氯甲基化反应的温度与原料配比的考察表明,焦化苯中的噻吩可完全转化为噻吩聚合物。
"Ring ring seal," after class, and wow thiophene!
“铃铃钤”下课了,哇噻!
New technologies of adsorption desulfurization for thiophene and its derivations were reviewed.
概述了吸附法脱除噻吩类有机硫工艺的研究进展。
New technologies of adsorption desulfurization for thiophene and its derivations were reviewed.
概述了吸附法脱除噻吩类有机硫工艺的研究进展。
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