查询词典 benzene

The non-equilibrium stage model is used to simulate catalyticdistillation process for cumene synthesis using low concentration propylene and benzene.

对苯与低浓度丙烯合成异丙苯的催化精馏过程建立非平衡级模型。

Taking the alkylation of benzene with propylene to form cumene as model reaction, the effect of extrusion condition on zeolite's global performances, such as activity, cumene selectivity, strength and lifetime etc were experimentally investigated.

本文以苯和丙烯烷基化合成异丙苯为模型反应，系统考察了成型条件对β分子筛催化剂宏观性能的影响(包括活性、选择性、强度、寿命和孔结构等)。

It was found that the MCM-22 zeolite catalyst prepared by the VPT method not only showed good crystallinity and high BET surface area, but also better crystal growth orientation and denser structure.The catalyst showed high activity, selectivity and good stability for alkylation of benzene with propylene, especially better selectivity to the end product cumene.The shaped MCM-22 zeolite catalyst prepared by the VPT method has good prospect of industrial application in synthesis of cumene.

结果表明：汽相法制备的MCM-22分子筛催化剂不仅具有较好的结晶度和较高的微孔表面积，而且具有更好的晶体生长取向性和更加致密的结构；在烷基化反应中也具有很好的活性、选择性和稳定性，特别是对目的产物异丙苯的选择性明显高于水热法合成的催化剂，在异丙苯合成上具有很好的应用前景。

And taking the alkylation of propylene with benzene to produce cumene as model reaction , the reaction performance of HP zeolite catalyst was also evaluated by means of the semi-continuous gas-liquid reactor and liquid-liquid continuous reactor.

结果表明：催化剂强度随成型过程中醋酸用量的增加呈现先增大后减小的趋势，最高催化剂强度对应的醋酸用量为6%。

We give the I-V curve of single benzene in theory and the result accords with the experimental one qualitatively.

我们从理论上给出了单苯分子的电流曲线，得到了与实验定性相符的结果。

The optimal operation parameters of the novel catalyst for the process of benzene hydrogenation to cyclohexane were determined.

确定了适用于该新型催化剂的最佳的工艺操作条件。

The major products were cyclohexanecarboxylic acid and cyclohexanol. The possible reaction pathway was similar to that of benzene.

这一体系也可用于环己烷的羰基化反应，产物为环己甲酸和环己醇，反应历程与苯羰基化基本相同。

It was summariyed in thispaper for the technology and experimental methods in use of heatpipe reactors to cyclohexanol and ethyl benzene dehydrogenation reaction processes.

介绍了热管式反应器在乙苯脱氢和环己醇脱氢反应中应用的试验过程和结果。

As the success of benzene partial hydrogenation to prepare cyclohexene developed by Asahi Chemical Industry Co.,Ltd.,cyclohexanol prepared through cyclohexene is...

这一工艺关键是催化剂的设计及选择，因此本文主要对环己烯水合催化剂进行了考察，并进行了反应工艺条件的优化。

Amorphous hydrogenated carbon films have been deposited with benzene in an electron cyclotron resonance plasma system.

文摘：用苯作源气体在一个微波电子回旋共振离子体系统中沉积了含氢非晶碳薄膜，研究了沉积参数对膜的生长速率的影响。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐