olefins发音

意思翻译

n.烯烃，链烯（olefin的复数）

相似词语短语

morphological roles───形态角色

the whole───整体；凡百；佥

molecule man───分子人

flatness tolerance───平面度公差

affordable role───负担得起的角色

centrosome vs centriole───中心体与中心粒

catchpole ii───接力杆ii

intolerant milk───不耐受牛奶

exaggeration vs hyperbole───夸张与夸张

caracole avondale───卡拉科尔·阿文代尔

双语使用场景

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。

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。

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。

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。

英语使用场景

The chlorination in allylic position of olefins is an important transformation in organic synthesis.

Aldehydes, alcohols, esters and olefins were the major constituents in Granny Smith apple.

Osmuim-catalyzed asymmetric dihydroxylation reaction (AD reaction) of olefins, with cinchona alkaloid derivatives as chiral ligands, is the most effective method to obtain chiral vicinal diols.

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

Olefins including cinnamate derivatives can perform cis-tran isomerization through directly irradiation or photosensitized by triplet-state photosensitizer.

According to PONA ( Pareffins, Olefins , Naphthenes, Aromatics ) analytic results of FCC gasoline, some model compounds were selected.

The enantioselectivity for trans 1,2 disubstituted olefins is better than that for mono substituted olefins.

Calculations concerning operation conditions of Daqing Olefins Plant EF-111E furnace by a two dimensional pyrolyzer model showed that olefin yields of the furnace could be further increased.

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