烯烃

One way is use of some co-catalyst and catalyst, the other is to revamp the present unit by carrying out MGD process.

在反应温度为5巧℃、RAG一8催化剂在系统藏量占25%时，汽油汽油烯烃含量可从39.2%降低到38.7%。

It was found that the introduction of Cr4 moiety did not remodel the mechanism of hydroformylation of simple alkenes.

计算结果表明Cr4片段的引入并没有改变简单烯烃氢甲酰化反应的机理。

The experimental results showed that the composition of dry gas produced from Daqing VGO in the presence of acidic catalyst was similar to that of cracking FCC olefin enriched gasoline,and dry gas was mainly produced through monomolecular mechanism.

结果表明，大庆蜡油在酸性催化剂上反应所产生的干气组成与高烯烃催化裂化汽油相同，干气的产生主要是单分子裂化反应所造成的。

It was pointed out that the production of olefins via ethanol is an alternative route for cracking naphtha.

指出由乙醇制低碳烯烃是传统石脑油裂解的一条可替代途径。

A catalyst and an improved process for producing olefins by catalytic naphtha cracking are described.

公开了一种由石脑油催化裂化生产烯烃的催化剂和改进的方法。

The 220 kt/a hydrogenation unit for FCC naphtha to reduce olefin and sulfur is evaluated in this paper.

阐述了220 kt/a催化裂化汽油加氢脱硫异构降烯烃装置的运行和标定情况。

The reaction principle of reducing naphtha olefins and increasing diesel oil by FCC process was discussed.

探讨了催化裂化过程降低汽油烯烃含量和多产柴油的反应原理。

Ozone is formed in the reaction, and a nitro derivative of the olefin.

在反应中形成臭氧及烯烃的硝基衍生物。

Ozone is formed in the reaction, and a nitro derivative of the olef in

在反应中形成臭氧及烯烃的硝基衍生物。

The current polymer materials for optical disc substrate usually include polycarbonate, poly, epoxy resins and noncrystalline cyclo-olefin copolymer developed in recent years.

光盘基板材料主要包括传统的聚碳酸酯、聚甲基丙烯酸甲酯、环氧树脂以及近年发展起来的非晶环烯烃聚合物。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新