olefins

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

根据FCC汽油的PONA ( Paraffins, Olefins, NaphthenesandAromatics ) 分析结果, 确定了不同结构的FCC汽油模型化合物.

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Its activities include base chemicals ( olefins and aromatics ) as well as polyethylene, polypropylene and styrenics.

道达尔石化的业务包括基础化工 ( 烯烃和芳香烃 ) 以及聚乙烯 、 聚丙烯与苯乙烯类产品.

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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.

——期刊摘选

With the higher olefins, stabilization of the energetic intermediates occurs more easily.

在较高的烯烃情况下, 高能的中间物稳定作用更易出现.

辞典例句

Plants are sensitive to the simple olefins, particularly C 2 H 4.

植物对简单烯烃是敏感的特别是乙烯.

辞典例句

This process is often used on polyphenylene oxide , olefins , vinyls, nylons, and thermoplastic elastomers.

这种成型方法经常用于聚苯醚, 聚烯烃类 、 乙烯基类 、 尼龙类和热塑性弹性体的加工.

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A method for polymerizing olefins in a fluidized - bed reactor is provided.

本发明提供了用于在流化床反应器中聚合烯烃的方法.

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The development in the oxidation of olefins to ketones catalyzed by palladium compounds was reviewed.

本文系统地评述了钯配合物催化烯烃氧化合成酮类物质的研究进展.

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The technical features of the methods for reducing olefins in FCC gasoline are presented.

并提出了催化裂化汽油降烯烃的方法应该具有的技术特征.

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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.

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This review involves chiral metal complexes as catalysts for asymmetric epoxidation of simple olefins.

介绍了多类简单烯烃不对称环氧化反应的手性过渡金属配合物催化剂系统的催化效果.

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