• Admixture of a SiO2 carrier, however, decreases the propene selectivity somewhat.

    然而二氧化硅载体稍微降低烯的选择性

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  • Its catalytic properties for alkylation of benzene with propene were investigated.

    研究烯和苯的烷基化反应催化性质

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  • Relations between benzene to propene ratio(R) and reactive results in alkylation were studied.

    烃化过程中R反应结果关系进行了研究。

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  • Rising temperature can greatly increase the conversion of propane and then the yield of propene.

    升高温度虽然极大提高丙烷转化率从而增加烯的收率

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  • The paper describes the analytical methods of trace level hydrocarbon impurities in pure ethene and propene.

    本文介绍聚合级乙烯烯中杂质分析方法

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  • They mainly includes the utilization of ethene in dry gas and of propene and butylene in liquified petroleum gas.

    重点包括乙烯利用液化气碳四的利用。

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  • Properly selected reaction temperature can suppress the secondary reactions and enhance the production of propene and ethene.

    选择适宜反应温度条件能够有效地抑制副反应从而提高丙烯、乙烯的总产率。

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  • With the increase of R, the propene conversion of the single stage and the selectivity of cumene increase and the side reaction decreases.

    随着烯比升高,丙烯单程转化率上升,异丙苯选择性上升副反应降低。

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  • New allyl lithium THF complex was prepared conveniently by the reaction of propene with n-butyl lithium in the presence of tetrahydrofuran.

    四氢呋喃存在下,将丁基直接反应合成了未见文献报道丙基锂四氢呋喃配合物。

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  • The oxidative dehydrogenation of propane (ODP) to propene is one important subject in natural gas, oil field gas and refinery gas application area.

    丙烷氧化脱氢丙烯利用天然气油田炼厂气的一个重要课题

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  • The liquid product from the ammoxidation of propene to acrylonitrile was analyzed by means of coupling the Type 103 gas chromatograph with a computer.

    本文利用103相层析仪电子计算机联接分析了氨氧化合成丙烯腈液体产物

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  • The thermal desorption spectra of propene and oxygen adsorbed on blue tungsten oxide WO_ (2.90) have been measured by means of flash heating the sample in ultra high vacuum.

    超高真空条件下,用样品进行闪烁加热方法测定蓝色氧化钨WO _(2.90)吸附丙烯脱附

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  • Effects of impurities in raw material on the activity and stability of molecular sieve catalyst in alkylation of benzene with propene, and removal of impurities were studied.

    分析原料杂质催化剂活性稳定性影响脱除杂质的方法。

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  • The paper proposed chitosan is chosen as the new carrying agent, and the experiment shows chitosan can be investigated as the new carrying agent for propene separation further.

    本文提出采用聚糖作为新的探索载体,实验表明壳聚糖作载体的络合吸收分离吸收性能显著,可以更深一步的研究。

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  • It's very difficult to investigate the content variation of sulfide in fine propene since the state of organic sulfide in gas fractionation unit feedstock (LPG) was very complex.

    气体分馏装置原料液化石油气(LPG)有机硫化物形态复杂,考察分析工业装置丙烯硫化物含量变化难度大。

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  • It was shown that there was by product acetone in the products of propene hydration etherification, while there existed no acetone in the products of isopropanol dehydration reaction.

    水合反应产物丙酮生成,异丙醇单独进料时产物没有发现丙酮生成。

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  • Carbon materials have high catalytic activity and selectivity to propene for ODP. Compared with activated carbon and graphite, CNF is a promising catalyst for ODP due to its structure peculiarities.

    结果表明材料自身对于OD P过程具有较高活性选择性尤其是CNF由于独特的结构特点更适合用作odp过程催化剂

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  • Carbon materials have high catalytic activity and selectivity to propene for ODP. Compared with activated carbon and graphite, CNF is a promising catalyst for ODP due to its structure peculiarities.

    结果表明材料自身对于OD P过程具有较高活性选择性尤其是CNF由于独特的结构特点更适合用作odp过程催化剂

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