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。
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。
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。
In this paper, a kind of new catalysts for olefins hydroformylation was studied.
本论文研制了一种新型烯烃氢甲酰化催化剂。
The first part of this thesis is about the oxidation of olefins catalyzed by AuCl.
本论文第一部分的内容为均相金催化剂在烯烃氧化反应中的应用。
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。
In this paper, the carbonylation has been studied of olefins in different solvent systems.
本文研究了烯烃在不同溶剂体系中进行羰基化反应的规律。
The concentration of carbenium ions plays key role in the hydrogen transfer ability of olefins.
正碳离子浓度对烯烃的氢转移反应起决定性作用。
The contents of olefins and benzene in gasoline and over 58% of the diesel meet clean fuel standards.
汽油烯烃、苯含量及58%以上的柴油符合清洁燃料标准。
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 oligomerization test of mixed olefins in light coke gasoline was carried out in a fixed bed reactor.
在实验室小型固定床反应器上，以焦化汽油轻馏分为原料，进行了混合烯烃的叠合反应。
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 enantioselectivity for trans 1,2 disubstituted olefins is better than that for mono substituted olefins.
对反式- 1，2 -二取代烯烃的立体选择性优于单取代烯烃。
Catalytic cracking of olefins features simplicity in operation and low cost, and should be developed in preference.
烯烃催化裂化技术具有操作简单和成本低廉等优势，应加快研究开发。
The hydrogen transfer reaction on the Y zeolite catalyst mainly takes place between gasoline olefins and naphthenes.
分子筛上发生的主要是汽油烯烃和环烷烃之间的氢转移反应。
Hydroformylation of olefins with different functional groups as Well as the effect of Solvent are also investigated.
溶剂也有显著影响，溶剂甲苯的结果最好。还考察了几种官能团烯烃的氢甲酰化反应。
Characteristics of the newly developed catalyst RAG 7 with high bulk density for more low end olefins were introduced.
介绍了新开发的多产低碳烯烃高堆积密度催化剂rag7的特征。
It was also found that the big molecule olefins were more reactive than the low carbon olefins under same operating conditions.
在同样的反应条件下，高碳数烯烃的反应活性要高于低碳数烯烃的反应活性。
By adopting two stage etherification technology, the total conversion of tertiary carbonic olefins in light gasoline is up to 75%.
采用二段醚化技术，轻汽油中叔碳烯烃醚化总转化率可达到75 %以上。
The catalyst containing P-RE-USY exhibits excellent performance of reducing naphtha olefins, increasing diesel yield more than 2.31%.
评价表明含有这种改性沸石的催化剂显示了优越的降低汽油烯烃的效果，柴油产率可增加2.31%。
Meanwhile, coke yield increase and octane number loss should be considered when reducing olefins through hydrogen transfer reactions.
同时，在加强氢转移反应减少烯烃时，还需考虑焦炭选择性变差和汽油辛烷值下降的问题。
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 low carbon olefins produced have been further synthesized to high quality polypropylene, polyethylene, acrylonitrile and other chemicals.
生产的丙烯等化工原料已分别用来合成了高质量的聚丙烯、聚乙烯及丙烯腈等化学品。
The results have shown that the selectivities are good for all substrates and the yields are satisfactory for olefins and halides in this way.
试验结果表明，上述底物用这种新方法进行羰基合成，反应的选择性好，其中烯烃和卤代烃的收率也较高。
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。
The product of propane gas chromatography, second is the highest percentage of butane and isobutane is, the content of olefins are relatively low.
气相产物中丙烷的百分含量最高，其次是正丁烷和异丁烷；烯烃的含量均较低。
It is necessary to know the formation mechanism and influencing factors of the olefins content of FCC gasoline for developing new processes and catalysts.
了解影响FCC汽油烯烃含量的因素和生成机理对开发新工艺和催化剂十分必要。
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。
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。
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