英语释义

• any unsaturated aliphatic hydrocarbon

片语

olefin sulfonate烯烃磺酸盐

olefin hydrocarbon稀烟

aliphatic olefin脂族烯烃

mono olefin单烯烃

olefin filament烯烃长丝纱

olefin copolymer烯烃共聚物

Imidacloprid olefin吡虫啉

reducing olefin降烯烃

alkene[有化] 烯烃；链烯烃

olefin acid烯酸

英汉例句

• The light constituents flow upward to the catalyst zone, where the selective hydrogenation of butadiene is carried out together with desulfurization and some olefin saturation.

  轻组分向上流至催化剂段，在那里丁二烯选择性加氢、脱硫和一些烯烃的饱和同时进行。

• Transition metal complexes, catalyst compositions containing the same, and olefin polymerization using the catalyst compositions.

  过渡金属配合物，含有该配合物的催化剂组合物，及采用该催化剂组合物的烯烃聚合。

• Process flow of olefin conversion unit is introduced.

  对烯烃转换工艺技术作了介绍。

• For higher olefin that has poor solubility in water, the hydroformylation reaction rate is much less than short-chain alkenes.

  对于水溶性差的高碳烯烃，其氢甲酰化反应速度远远低于低碳烯烃。

• The low carbon olefin process from coal based methanol has already a foundation for commercial application not only technically but also economically.

  煤基甲醇制低碳烯烃工艺无论从技术还是从经济上都具备了工业化应用的基础和条件。

• Analysis is made on the method and operation condition adjustment by the industrial refinery for reducing olefin content in RFCC gasoline.

  对工业装置降低RFCC汽油烯烃含量的方法及操作条件的调整进行了分析。

• Supported catalysts of olefin polymerization were prepared by interacting magnesium alkyls with chlorinated agents, and electron donors.

  由烷基镁、氯化试剂及电子给予体制备了烯烃聚合载体催化剂。

• The higher the olefin trap temperature, the lower the ability of adsorbing olefins.

  烯烃的穿透性随碳数的降低和烯烃阱温度的升高而增加。

• Isomerized gasoline is the cleanest high-octane gasoline component, which is free of sulfur, olefin and aromatics.

  异构化汽油不含硫、烯烃及芳烃，是最洁凈的高辛烷值汽油组份。

• The olefin content in FCC gasoline can be reduced by etherification of light FCC gasoline, meeting the requirements of environmental regulations.

  采用催化裂化轻汽油醚化工艺可减少催化裂化汽油的烯烃含量，满足环保法规对汽油质量的要求。

• Linear alkylbenzenes can be produced from unrefined raw materials, and a continuous process can be realized with a lower ratio of benzene to olefin and a higher reaction space velocity.

  研究表明，此工艺可以有效放宽对催化剂单程寿命的限制，可不经过精制，直接采用工业苯和工业烯烃进行烷基化反应，实现了连续生产。

• In order to enhance the yield of the total liquid and further reduce the olefin content in gasoline, LHO-1 catalyst is put on trial.

  为提高装置总液收率和进一步降低汽油组分中的烯烃含量，催化裂化装置开始试用LHO-1催化剂。

• The improvement on production technique of sulfurized olefin abroad was described, the improved technique was compared with the traditional one.

  介绍了国外硫化烯烃的生产工艺改进方法及改进后的硫化烯烃与传统硫化烯烃的性能比较。

• Metallocene catalysts are replacing traditional catalysts in syntheses of olefin polymers.

  在烯烃聚合物合成中茂金属催化剂正在替代传统催化剂。

• Effects of FCC technological conditions on gasoline olefin content were also investigated.

  与此同时考察了催化裂化工艺条件对汽油烯烃含量的影响。

• The results show that most of gasoline olefins are in low carbon number and the effect of GOR-Q catalyst on decreasing gasoline olefin is obvious.

  结果表明：GOR-Q催化剂具有明显减少催化汽油烯烃（主要为小分子烯烃）含量的效果。

• In order to meet the environmental protection requirements, it becomes a hot topic to research and develop new processes and catalysts of producing FCC gasoline with lower olefin content.

  为了满足环保要求，研究开发生产低烯烃含量的FCC汽油的工艺和催化剂是当今的一个热点问题。

• The content of naphthene, total paraffin, olefin and aromatics in FCC gasoline increased or decreased alternately with the change of space velocity.

  环烷烃、总烷烃、烯烃和芳烃的含量随着空速的变化出现相互交叉的现象；

• The progresses in five-membered heterocyclic metallocene analogic complexes and their application in olefin polymerization are reviewed.

  综述了五元杂环类茂金属配合物的研究进展及其在烯烃聚合中的应用。

• The olefin cracking and the pentene isomerization over zeolites are two very important reactions in the petrochemical industry.

  分子筛催化的烯烃裂解以及戊烯异构化是两个重要的石油化工过程。

• The half-metallocene of the elements V, Nb and Ta in VB group could be used in the polymerization of olefin to prepare polymer with rather narrow molecular weight distribution (1.05).

  VB族元素钒、铌、钽的单茂金属化合物作为烯烃催化剂可得到分子量分布相当窄（1.05）的聚烯烃；

• Except that the hydrogenation dry gas can be directly utilized, other refinery gases must be hydrotreated preliminary, owing to their high sulfur and olefin contents.

  除加氢尾气可直接利用外，其它炼厂气的硫和烯烃含量高，必须进行预加氢精制。

• Progress on synthesis of post transition metal nickel complex and its application as catalyst in olefin polymerization was reviewed.

  对后过渡金属镍络合物及其催化烯烃聚合的研究进展进行综述。

• Robert H. Grubbs, an American chemist, was born in Kentucky in 1942. In 2005, he received the Nobel Prize in Chemistry for his work on olefin metathesis.

  罗伯特·格拉布，美国化学家，1942年出生于肯塔基州，2005年因「烯烃复分解反应」的研究而获得诺贝尔化学奖。

• Also, coking top cycle oil as raw oil is better than soft wax as feed through cracking olefin to synthesise lube oil.

  以焦化顶循油为原料生产润滑油比以软蜡为原料，裂解烯烃合成润滑油更经济合理。