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某碳氢化合物已知可能是烯烃或是烷烃。A hydrocarbon was known to be either an alkene or alkane.

霍夫曼规则-----主要消除产物是取代基较少的烯烃。The Hofmann rule----yield mainly the least substituted alkene.

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不饱和碳氢化合物，属于烯烃同系物。An unsaturated hydrocarbon belonging to the alkene homologous series.

并对我国今后天然气制烯烃技术的开发提出了建议。The suggestion for developing the technics of alkene preparation from natural gas in China was proposed.

同时与均相催化剂空气环氧化不同烯烃的性能进行了对比。The comparison of heterogenized and homogenous catalyst on epoxidation of different alkene was also given.

叙述了丙二酰氧基硼氢化钠的制备及其原位与烯烃的选择性硼氢化反应。The preparation of sodium malonyloxyborohydride in situ and its selective hydroboration alkene are described.

超临界条件与常压相比能提高异辛烷的转化率，但同时使烯烃选择性降低。Supercritical conditions can enhance the conversion of isooctane but lower the alkene selectivity simultaneously.

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本文介绍了可溶性的带羟基含氟烯烃的合成及含氟聚氨酯涂料的制备。Synthesis of soluble fluorinated alkene with hydroxyl and preparation of fluorinated polyurethane coatings were described.

据实验室研究，2-ACP能够附着于一种2型烯烃——丙烯醛，并阻止其损伤神经细胞。In their lab studies, 2-ACP latched onto a type-2 alkene called acrolein and prevented the toxin from damaging nerve cells.

防滑片的材料为合成橡胶如丁基人造橡胶或丁基苯烯人造橡胶。The material of the antiskid sheets is synthetic rubber, such as artificial rubber or butyl benzene alkene artificial rubber.

计算表明，硅炔与氢分子加成反应可生成稳定的甲硅烷基硅烯。The computation indicated that the stable silicyl alkene is produced by the addition reaction of silicon alkyne and hydro-gen.

目的通过烯烃的臭氧化及其水解的反应历程，研究和测定烯烃的结构。Objective To study and to determine the structure of alkene by the ozone oxidation of alkene and its hydrolysis reaction course.

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裂解汽油的二段加氢反应主要是脱硫、烯烃饱和等反应。The second-stage hydrogenation reaction is mainly hydrodesulfurization and alkene saturation hydrogenation of pyrolysis gasoline.

针对辽阳石化分公司烯烃厂F108裂解炉对流段炉管爆裂破坏进行了分析。The burst part in convection section of a tube of F108 cracking furnace in alkene factory, Liaoyang Petrochmical Company, was analyzed.

高烯烃LPG通过精制加工，合理控制其成分，能够满足汽车使用要求。Properly controling its constituent by refinement, even the LPG with higher alkene content can still meet the requirements for vehicles.

比较了电位滴定法和反滴定法测定烯烃含量的准确性。The electrolytic titration method was compared with the inverse titration method in this paper for the accuracy of the measuring alkene.

结论烯烃臭氧化物的形成及其臭氧链异构的反应历程，属游离基型的可能性更大。Conclusion The form of the alkene ozone oxide and its reaction course of ozone chain isomerization are likely to be the free radical ones.

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着重探讨了天然气制合成气、甲醇、二甲醚、烯烃以及合成油的生产工艺。The technologies of producing synthetic gas, methanol, dimethyl ether, alkene and synthetic oil from natural gas are discussed emphatically.

方法将含有臭氧的氧气流，通过液态烯烃的非水溶液中，迅速生成粘糊状的臭氧化物。Method The glutinous ozone oxide was produced rapidly by inserting the ozone-bearing oxygen current in the nonaqueous solution of liquid alkene.

本文主要考察和研究了反应压力、空速、反应温度、醇烯摩尔比对叔戊烯转化率的影响。This paper mainly studies the effect of pressure, LHSV, temperature and mole ratio of alcohol and alkene on conversion ratio of tertiary amylene.