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To develop a new kind of absorbent applied to organic exhaust gas purification and recovery, and featured by its good absorption and desorption performances, stable absorbefacient and distinct separation between solute and solvent, on the basis of previous work, a study task of liquid paraffin regarded as an absorbent has been established and some relevant fundamental researches have been done on the liquid paraffin absorbent.

为选择一种适用于有机废气吸收净化、回收,且吸收性能好、解吸性能优越、溶质和溶剂分割清楚、吸收性能稳定的吸收剂,本论文在前人工作的基础上,确立了以液体石蜡作为吸收剂的研究课题,并对液体石蜡吸收剂进行了初步的基础性研究。通过进行液体石蜡对苯吸收性能和解吸性能的基础性研究,得出以下主要结论:液体石蜡对苯的吸收量大;其本身的沸点在340℃以上,对吸收质分割清楚;液体石蜡粘度适中,动力消耗小。

Under optimal conditions, oxidation of ethylbenzene into acetophenone under 1 atm O2 and 1 mol% NHPI reach to 64% yield.

在最佳的催化状态下,苯乙烷能在1 atm的氧气、1 mol% NHPI与轴向配位基为吡啶的紫质修饰二氧化钛共催化下,氧化成苯乙酮,并得到64%的产率。

And the mole ratio of benzene to propylene on the alkylation process have been studied.

统计了中试研究数据并进行了数学关联,获得了BPA分子筛催化剂对异丙苯、二异丙苯选择性和反应器床层温升的关联式。

The status of benzene supply and demand,the consumption structure is analyzed at home and abroad.

介绍了国内外纯苯的消费现状,对其生产和消费进行了预测,并对2006年纯苯国内市场价格和进出口情况进行了分析。

In the precence of the base catalyst KF/Al2O3, the one - pot reaction of 2 -hydroxybenzaldehyde or 2 - hydroxynaphthaldehyde with ethyl α- bromoacetate,α-bromoacetophenone , 1,4 - dichloromethylbenzene , 4,4'- dichloromethylbiphenyl and 1,5 -dichloromethylnaphthalene gave the benzofuran compounds in 38-89% yield.

本文报道用 KF/Al_2O_3作为碱催化剂,由水杨醛或2-羟基-1-萘醛分别和α-溴代乙酸酯、α-溴代苯乙酮、苄基氯、4,4'-二氯甲基联苯和1,5-二氯甲基萘等进行一锅化缩合反应,以38~89%的产率合成了14种芳并呋喃化合物。

Benzonitrile was selectively hydrogenated into benzylamine under mild conditions over activated amorphous nickel aluminium alloy catalyst which was prepared by rapidly quenching method.

由铜鼓快速淬冷法制备的非晶态NiAl合金催化剂经活化后用于催化苯甲腈加氢制苄胺的反应,考察了溶剂种类、苯甲腈初始浓度、催化剂用量、反应温度及反应压力等因素的影响,并测定了该催化加氢反应的表观活化能。

In this thesis, a series of benzamides and thioureas derivatives have been designed and prepared. By reasonable photoreaction conditions, a series of benzophenone and quinazoline compounds have been synthesized and structurally determined by NMR, MS and X-ray crystallography, respectively.

本文设计并合成了一系列苯甲酰胺和硫脲衍生物,通过选择合理的光反应条件,合成了一系列二苯甲酮和喹唑啉类化合物,应用核磁、质谱以及X-射线衍射技术对这些化合物的结构进行表征。

In this article,the synthesis method of Phenanthraquinone is discussed and five main methods are compared,such as the method of using biphenyl and derivative of diphenylethane and the method of Diels-Alder and rearrangement as well as the direct oxidation.

本文对菲醌的合成方法进行了综述并对其几种方法作了比较,其合成方法主要有以联苯及二苯乙烷衍生物为关键中间体的方法、以Diels-Alder及重排反应为关键步骤,以及直接氧化等五类合成方法。

In part four, a new method of protein assay based on charge-transfer reaction of protein with chloranil has been established.

第四部分,作者首次建立了以四氯苯醌荷移反应测定蛋白质的新方法,并测定了蛋白质结合四氯苯醌的最大结合数和反应平衡常数。

The current technologies of cumene process were introduced and commented in this paper,including particular...

本文简要介绍了我国异丙苯法生产苯酚丙酮的现有技术,并对以沸石分子筛为催化剂的异丙苯法生产苯酚丙酮的生产工艺进行了详细探讨。

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