a flammable colorless gaseous alkene; obtained from petroleum and natural gas and used in manufacturing many other chemicals; sometimes used as an anesthetic
双语例句
1. Ethane dehydrogenation to ethene is an effective method for using ethane.
乙烷脱氢制乙烯是乙烷利用的有效途径。
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2. It is the monomer from which polychloro(ethene) (formerly polyvinyl chloride or PVC) is made.
这是制备聚氯乙烯（以前称为聚乙烯基氯或PVC）的单体。
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3. Nonequilibrium process for cracking ethane in the manufacture of ethene is numerically investigated.
对乙烷裂解制造乙烯的非平衡过程进行了分析。
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4. The paper describes the analytical methods of trace level hydrocarbon impurities in pure ethene and propene.
本文介绍了聚合级乙烯和丙烯中烃杂质的分析方法。
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5. Recent development in hydroformylation of ethene to propanal by catalytic synthesis is introduced in this paper.
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。
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6. They mainly includes the utilization of ethene in dry gas and of propene and butylene in liquified petroleum gas.
重点包括干气中乙烯的利用、液化气中丙烯和碳四的利用。
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7. Poly (2, 6) - and poly (2, 7) - anthryl ethene derivatives as electroluminescent materials and method for preparing same.
聚(2,6)-及聚(2,7)-蒽基乙烯衍生物作为电致发光材料及其制备方法。
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8. Properly selected reaction temperature can suppress the secondary reactions and enhance the production of propene and ethene.
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。
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9. This paper states that petroleum resin is synthesised by using fractions of C_9, which are the by-product of Daqing ethene unit.
研究了利用大庆乙烯生产装置副产的c_9馏分合成油溶性石油树脂。
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10. The instant invention relates to a process for removing ethene from biological sources using metal ion exchanged titanium zeolites.
本发明涉及一种使用金属离子交换的钛沸石从生物源中除去乙烯的方法。
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11. Cassava starch: project of Producing 300,000t Cassava Ethonel, Citric acid and Lysine, Ethene, EO, ether, acetic acid projects and so on.
12. 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.
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。
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13. Aromatics hydrocarbon is a very important material for organic chemical industry, whose productivity is only less than ethene and propylene.
芳烃是产量和规模仅次于乙烯、丙烯的重要有机化工原料。
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14. The technological innovation in drying system of pyrolysing gas under the condition of existing ethene unit to increase capacity has bee introduced.
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。
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15. When the catalyst is applied to ethene polymerization, the fusion-flow ratio of the polymerisate can be adjusted by changing the content of hydrogen.
应用于乙烯聚合时，可以通过改变氢气含量来调整聚合产物的 熔流比；
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16. Further aspects of the invention are polymer compositions containing these zeolites, their use as efficient ethene removing additives and the modified titanium zeolites self.
本发明另外的方面是含有这些沸石的聚合物组合物、它们作为有效的除乙烯添加剂的用途和改性的钛沸石本身。
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17. The basic characteristics of several newly-developed power plant boiler pipe and ethene cracking pipe used under high-temperature and strong corrosion conditions are presented.
介绍了新开发的几种在高温腐蚀环境下使用的电站锅炉管和乙烯裂解管的主要特性。
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18. The technological innovation in drying system of pyrolysing gas under the condition of existing ethene unit to increase capacity has bee introduced. It has better economic results.
19. The dipping solution (DS) of nylon-66 cord fabric contains latex, resorcinol, formaldehyde, ammonia, ethene and butyl benzene. The COD content and turbidity in DS wastewater are very high.
20. It was found that the interactions between ethene molecules increase with the increasing of molecular concentration, while molecular total self-diffusion coefficient decreases with the concentration.
21. It was found that the interactions between ethene molecules increase with the increasing of molecular concentration, while molecular total self-diffusion coefficient decreases with the concentration.
Advances in ethane dehydrogenation to ethene have been reviewed. 乙烷脱氢制乙烯是乙烷利用的有效途径。
This paper introduces a gas chromatographic method for quantitative determination of feed gas and products of oxidative dehydrogenation of ethane to ethene. 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。
