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olefins

烯烃

常用释义

词性释义

n.

烯烃，链烯（olefin 的复数）

例句

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烯烃

In most cases, polyethylene was the main product and higher carbon number olefins usually accounted for the majority of the oligomers.

多数情况下，聚乙烯为催化反应的主产物，齐聚物中也是以高碳数烯烃为主。

LIGHT OLEFINS FOR INDUSTRIAL USE. DETERMINATION OF MOLECULAR OXYGEN IN GASEOUS PHASE. ELECTROCHEMICAL METHOD WITH A MEMBRANE-COVERED CELL.

工业用轻烯烃.气相中氧分子的测定.带细胞的电化学方法

Petroleum products. Determination of bromine number of distillates and aliphatic olefins. Electrometric method.

石油产品。蒸馏和脂肪烯烃的溴数测定。测电法。

Metallocene ligands, metallocene compounds and metallocene catalysts, their synthesis and their use for the polymerization of olefins.

金属茂配体，金属茂化合物和金属茂催化剂，它们的合成以及它们用于聚合烯烃的用途。

The yield of diesel is 21. 63% and of propylene reaches up to 20. 18% , with olefins content in gasoline being very low.

在丙烯产率高达20.18%的情况下，柴油收率可以达到21.63%，而且汽油的烯烃含量非常低。

Several etherification processes and catalysts for the synthesis of tertiary alkyl others from alcohols and iso olefins are reviewed.

对几种以异构烯烃和醇的醚化工艺作了综述。

Light olefins for industrial use . Determination of impurities by gas chromatography . General considerations.

工业用轻烯烃。用气相色谱法测定杂质的含量。一般考虑。

Huge demand on olefins, price advantage of coal and tight supply of oil make CTO (coal-to-olefins) projects competitive and attracting.

烯烃的巨大需求量、煤炭的价格优势和石油资源的紧缺，使煤制烯烃项目极具市场竞争力，也引起了企业极大的投资热情。

Transition metal compound, ligand system, catalyst system and the use of the latter for the polymerisation and copolymerization of olefins.

过渡金属化合物，配体体系，催化剂体系及其在烯烃的聚合反应和共聚反应中的用途。

LIGHT OLEFINS FOR INDUSTRIAL USE. DETERMINATION OF AMMONIA. SPECTROPHOTOMETRIC METHOD.

工业用轻烯烃.氨含量的测定.分光光度法

Conclusion: Volatile components of apple seed are organic acid, olefins, alkane, aldehyde, ketone, phenol.

结论：苹果籽含有有机酸、烯烃、烷烃、醛、酮、酚类挥发性成分。

The bottleneck of fractionation process was eliminated and the demand for lowering olefins in gasoline was satisfied.

消除了操作过程中的瓶颈，保证了汽油降烯烃的要求。

Refinery gases vary in composition but consist largely of hydrocarbons, both paraffins and olefins.

各种炼厂气的组成不同，但都含有大量烃类，包括各种烷烃和烯烃。

Higher olefins are undesirable since they make by-products which burden the purification steps.

更加高级的烯烃是不受欢迎的，因为他们做负担洗净步的副产物。

The application of supported catalysts in the oxidation of olefins to aldehyde and ketones was reviewed.

总结了固载化催化剂在烯烃氧化合成醛酮中的应用。

The way of fixed carbon dioxide hydrogenated to synthesize light olefins had good prospect.

二氧化碳催化合成低碳烯烃是二氧化碳固定最有前景的方法之一。

New type food grade screw compressor lubricant can choose gather alpha olefins synthetic oil.

新型合成食品级螺杆式压缩机的润滑剂可选用聚α-烯烃合成油。

The hydrogenation of olefins affords an example where both heterogeneous and homogeneous catalyses are effective .

烯烃的加氢反应就是这样的一个例子，对它说来均相催化和多相催化都是有效的。

Hydroformylation of higher olefins is a very important process in the field of petrochemical industry.

高碳烯烃氢甲酰化是最重要的石化技术之一。

Use coal instead of oil to produce olefins is an important way to realize China's energy strategy, and protect the nation's energy security.

以“煤”代“油”生产低碳烯烃，是实现我国以“煤代油”能源战略，保证国家能源安全的重要途径之一。

Methanol-to-olefins R&D work focuses on the synthesis and characterization of MTO catalysts.

甲醇制烯烃的研发重点是MTO催化剂的合成及其特征描述。

LIGHT OLEFINS FOR INDUSTRIAL USE. DETERMINATION OF TRACES OF CHLORINE. WICKBOLD COMBUSTION METHOD.

轻烯烃.微量氯含量的测定.威克博装置燃烧法

A new process has been developed to remove most of the olefins and organic sulfides contained in coking gas.

开发了一种脱除焦化富气中大量烯烃和有机硫化物的新工艺。

The experiment results indicated that the hydroformylation of C6-14 straight chain higher olefins could well conduct under TPSC system.

实验结果表明，温控相分离催化体系可很好地催化C6-14直链高碳烯烃氢甲酰化反应。

Polymers of vinyl chloride or of other halogenated olefins, in primary forms.

初级形状的氯乙烯或其他卤化烯烃聚合物。

ASTM D1159-01 Standard Test Method for Bromine Numbers of Petroleum Distillates and Commercial Aliphatic Olefins by Electrometric Titration.

电化学滴定法测量石油馏分及商用脂族烯烃的溴值试验方法。

The two main classes of petrochemicals are olefins and aromatics.

石化的两类主要产品是烯烃和芳烃。

Contain olefins, aromatics and olefins small two.

含有烯烃、芳香烃和少量二烯烃。

Polymers of propylene or of other olefins, in primary forms.

初级形状的丙烯或其他烯烃聚合物。

Plants are sensitive to the simple olefins , particularly C2H4 .

植物对简单烯烃是敏感的特别是乙烯。

1·The two main classes of petrochemicals are olefins and aromatics.

石化的两类主要产品是烯烃和芳烃。

2·The olefins, such as ethylene and propylene, are formed from petroleum gas or from cracking of larger hydrocarbons. Ethylene is used to make polyethylene e.g.

烯烃主要是来自石油气或大分子的碳氢化合物裂解，如乙烯，丙烯。

3·Polymers of propylene or of other olefins, in primary forms.

初级形状的丙烯或其他烯烃聚合物。

4·Polymers of vinyl chloride or of other halogenated olefins, in primary forms.

初级形状的氯乙烯或其他卤化烯烃聚合物。

5·ExxonMobil chemical Company licenses a multitude of technologies covering a broad range of petrochemicals from aromatics to olefins and polymers.

埃克森美孚化工可对众多技术进行技术转让，覆盖了石油化工的多个领域，从芳烃、烯烃再到聚合物。