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这就是乙烷里的三种间。So those are our three types of bonds in ethene.

乙烷脱氢制乙烯是乙烷利用的有效途径。Advances in ethane dehydrogenation to ethene have been reviewed.

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乙烷脱氢制乙烯是乙烷利用的有效途径。Ethane dehydrogenation to ethene is an effective method for using ethane.

HC排放成分中LHC占有很大比例，其中乙烯和丙烯最多。LHC especially ethene and propylene were the majority components of HC emissions.

对乙烷裂解制造乙烯的非平衡过程进行了分析。Nonequilibrium process for cracking ethane in the manufacture of ethene is numerically investigated.

本文介绍了聚合级乙烯和丙烯中烃杂质的分析方法。The paper describes the analytical methods of trace level hydrocarbon impurities in pure ethene and propene.

本文综述了采用均相催化剂、均相固载化催化剂以及多相催化剂催化合成丙醛的研究成果。Recent development in hydroformylation of ethene to propanal by catalytic synthesis is introduced in this paper.

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应用于乙烯或者丙烯聚合时，具有高活性的特点。When the catalyst is applied to ethene or propylene polymerization, the catalyst has the advantage of high activity.

以MCM-49分子筛为催化剂，纯1-丁烯为原料，考察了反应温度对烯烃催化裂解制丙烯、乙烯反应性能的影响。Catalytic cracking process for production of propylene and ethene from 1-butene was investigated using MCM-49 zeolite.

珠海党政代表团先后参观考察了茂名石化公司展厅、炼油厂和乙烯厂。The delegation visited the exhibition center, the refinery plant and the ethene factory of Maoming Petrochemical Company.

选择适宜的反应温度条件能够有效地抑制副反应，从而提高丙烯、乙烯的总产率。Properly selected reaction temperature can suppress the secondary reactions and enhance the production of propene and ethene.

以MCM-49分子筛为催化剂，纯1-丁烯为原料，考察了反应温度对烯烃催化裂解制丙烯、乙烯反应性能的影响。Catalytic cracking process for production of propylene and ethene from 1-butene was investigated using barium modified MCM-49 zeolite.

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本文的研究对象是抚顺乙烯厂生活污水回用工程中的辐流式沉淀池。The thesis does some research on the circular settling tank, which is used in the wastewater recycle project of Fushun Ethene corporation.

裂解C_5馏分是乙烯装置的副产物，随着乙烯装置的不断增加，裂解C_5的量将越来越大。Cracking C_5 fraction was the byproduct of ethene device and with the increasing of ethene production, the amount of it would be much more.

芳烃是产量和规模仅次于乙烯、丙烯的重要有机化工原料。Aromatics hydrocarbon is a very important material for organic chemical industry, whose productivity is only less than ethene and propylene.

本文介绍了辽化乙烯装置在生产能力扩大条件下对裂解气干燥系统进行的工艺改造情况。The technological innovation in drying system of pyrolysing gas under the condition of existing ethene unit to increase capacity has bee introduced.

建立了乙烷氧化脱氢制乙烯原料气及反应产物的气相色谱分析方法。This paper introduces a gas chromatographic method for quantitative determination of feed gas and products of oxidative dehydrogenation of ethane to ethene.

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乙烷氧化裂解制乙烯与传统的热裂解制乙烯相比，变吸热反应为放热反应，降低了能耗。Compared to thermal cracking of ethane to ethene, the oxidative cracking of ethane to ethene is a more energy efficient process for its exothermic properties.

分析了乙烯裂解炉炉管断裂原因，阐述了修复方案，提出了操作和维修中应注意的问题。The rupture reason of ethene cracking heater tube is analyzed. The repair plan is mentioned. Matters needing attention during operation and maintence are put forward.

通过如何运用PDCA循环，提高乙烯厂加氢装置原料-石脑油质量的实例，来说明全面质量管理的实际应用。Based on a sample study of PDCA circle application for improving naphtha, an important raw material of ethene factory, this paper given detail explanation on how to apply TQM.