英语释义

• any unsaturated aliphatic hydrocarbon

片语

alkene monooxygenaseIn enzymology, an alkene monooxygenase () is an enzyme that catalyzes the chemical reaction

higher alkene高级烯烃

alkene content烯烃含量

Alkene metathesis烯烃复分解反应

alicyclic alkene脂环烃

aromatic alkene芳烯烃

olefin烯烃

alkene reaction烯反应

英汉例句

• Linear alkylbenzenes are important raw materials for the synthesis of washing agent and it is synthesized from the alkylation of benzene with long-chain alkene in the presence of an acid catalyst.

  长链烷基苯是合成洗涤剂的重要原料，是由苯与长链烯烃在酸性催化剂作用下烷基化反应生成的。

• Objective To study and to determine the structure of alkene by the ozone oxidation of alkene and its hydrolysis reaction course.

  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。

• The second-stage hydrogenation reaction is mainly hydrodesulfurization and alkene saturation hydrogenation of pyrolysis gasoline.

  裂解汽油的二段加氢反应主要是脱硫、烯烃饱和等反应。

• The burst part in convection section of a tube of F108 cracking furnace in alkene factory, Liaoyang Petrochmical Company, was analyzed.

  针对辽阳石化分公司烯烃厂f 108裂解炉对流段炉管爆裂破坏进行了分析。

• The comparison of heterogenized and homogenous catalyst on epoxidation of different alkene was also given.

  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 preparation of sodium malonyloxyborohydride in situ and its selective hydroboration alkene are described.

  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。

• A hydrocarbon was known to be either an alkene or alkane.

  某碳氢化合物已知可能是烯烃或是烷烃。

• Tungstogermanic acid as a catalyst for dehydration of alcohol to form ether or alkene is reported.

  报道了钨锗酸对醇脱水成醚或成烯的催化反应。

• But the LPG produced in oil and gas fields is insufficient, thus people throw a look to refinery even to petrochemical plant and hope to obtain the LPG without alkene (or with low alkene content).

  这种LPG产自油气田，但油气田生产的LPG不足。因此，人们把眼光投向炼油厂甚至石油化工厂，希望从其获得无(低)烯烃lpg。

• As the alkene content of motor vehicle petrol containing catalytic fraction is large, it is difficult to measure accurately by the fluorescent indicator adsorption method.

  含催化馏份的车用汽油，烯烃含量大，用荧光指示剂吸附法不易测準汽油的族组成。

• Synthesis of soluble fluorinated alkene with hydroxyl and preparation of fluorinated polyurethane coatings were described.

  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。

• This paper mainly studies the effect of pressure, LHSV, temperature and mole ratio of alcohol and alkene on conversion ratio of tertiary amylene.

  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。

• In recent years, special attention has also been devoted to hydroesterification of alkene using methyl formate instead of CO/CH3OH.

  近年来，利用甲酸甲酯替代CO/CH3OH与烯烃的加氢酯化反应也逐渐成为研究热点。

• Since 70's years, the technology of manufacturing alkene from natural gas has been a focus of national and international study.

  从70年代以来，天然气制烯烃技术一直是国内外研究的热点课题。

• An unsaturated hydrocarbon belonging to the alkene homologous series.

  不饱和碳氢化合物，属于烯烃同系物。

• The suggestion for developing the technics of alkene preparation from natural gas in China was proposed.

  并对我国今后天然气制烯烃技术的开发提出了建议。

• This paper reviews the catalytic system of methyl formate reacting with alkene for synthesis of esters, in addition, the reaction mechanism is also discussed.

  本文系统介绍了甲酸甲酯与烯烃反应合成酯的催化体系，并对反应机理进行了讨论。

• Conclusion the form of the alkene ozone oxide and its reaction course of ozone chain isomerization are likely to be the free radical ones.

  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。

• The organic peroxide is a sort of important initiator in alkene polymerization industry.

  有机过氧化物是烯烃聚合工业中重要的引发剂。