查询词典 2-butene

Many of the raw materials used in the petrochemical industry are unsaturated hydrocarbons, such as ethylene, propylene, butene and butadiene.

在石油化学工业中所用的许多原料是不饱和烃类，如乙烯、丙烯、丁烯和丁二烯。

ABSTRACT In this dissertation, the alkylation process of isobutane with butene over β zeolite were studied, which includes the characteris...

本文主要研究了不同方法改性的β沸石催化剂在超临界条件下异丁烷和丁烯的烷基化反应规律，并与气相、液相条件下的反应结果进行了比较。

Corporation Shanghai Jiao Tong University's latest research results, primarily engaged in 3 - butene -1 - alcohol, 1,2,4 - Tromethamine, six three phosphazene ring chlorine production and marketing.

公司依托上海交通大学的最新科研成果，主要从事3-丁烯-1-醇，1，2，4-丁三醇，六氯环三磷腈的生产销售。

In summary, the alkylation performances of isobutane with butene over bothheteropoly acid and zeolite catalysts have been investigated in this thesis, and theresults are helpful for further development of the solid acid catalysts for this process.

通过本论文的研究，对杂多酸和分子筛催化剂的烷基化性能有了进一步认识，能对今后开发固体酸的碳四烷基化催化剂有所帮助和借鉴。

The oxidative dehydrogenation of butene to butadiene was carried out in uniform membrane reactor and non-uniform membrane reactor, respectively.

对无机膜控氧反应器的优化进行了探讨，提出优化依据，并在自制的均布膜反应器及非均布膜反应器中，进行丁烯氧化脱氢制丁二烯反应的研究。

The two low-grade plastics listed on the exchange Linear Low Density Polyethylene butene and Polypropylene homopolymer are trading out to January 2007 and October 2006 respectively.

这两个低档塑料上交流-线性低密度聚乙烯丁烯和聚丙烯均聚物-交易，以2007年1月和2006年10月分别。

The adsorption and reaction process of isobutane and butene were investigated by using in-situ IR, Reaction-MS and Adsorption methods.

利用HF酸溶解以及用二氯甲烷进行萃取等方法，对失活催化剂的性质进行了细致的研究。

The basic principles of membrane separation technology for recovering butene and iso-pentane from VOC/ N2 are described, and the influence of operating condition on membrane separation is indicated.

介绍了有机蒸气膜分离的技术进展，阐述了应用膜分离技术从有机蒸气/氮气混和气中分离回收丁烯和异戊烷的基本原理，指出了操作条件对膜回收效果的影响。

The effects of temperature, feed flow rate and O2/C4H8 ratio on butene conversion and selectivity for butadiene were systematically studied.

系统地考察了反应温度、进料量、氧／烃比对丁烯转化率及丁二烯选择性的影响。

Through the analysis of the experimental results, we can conclude that during adsorption and reaction the performances of isobutane and butene are remarkably differant.

结果发现，失活催化剂上的积炭组成主要是C〓～C〓的大分子烃类物质以及一些苯系和萘系芳烃类物质，其平均H/C原子比略大于2.0。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。