selectivity of catalyst的例句大全

While Cs decreased both the activity and the selectivity of the catalyst.

在693K以下，Cs离子对催化剂的活性和选择性均起抑制作用。

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In the range of room temperature ( about 20~ 30), 100% propylene conversion and 87% selectivity of isopropyl benzene was obtained when the ratio of benzene to propylene was 8:1 in weight and the amount of catalyst was 1/ 3 weight of benzene;

在室温范围内（20～30℃），当苯与丙烯质量比为8：1，离子液体催化剂的用量占苯质量的1／3时，可获得100%的丙烯转化率和87%的异丙苯选择性；

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In comparison with Pt/ ion exchange resin, both conversion and selectivity of Pt/ carbon fiber catalyst are high.

Pt／活性碳毡催化剂的CTC转化率和氯仿选择性均高于Pt／离子交换树脂催化剂；

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Optimal activity distribution aimed at maximizing the selectivity of isothermal catalyst pellets for parallel-consecutive reaction network

以选择性为目标的最优活性分布：平行&连串反应网络

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In other words, the trace amount of HF acts as a reaction promoter and can raise the catalyst selectivity for the alkylation significantly.

这是一个重要和有趣的实验现象，它说明微量HF反应助剂可大幅度提高固体酸催化剂对烷基化反应的选择性。

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the catalyst was applied for weak oxidative dehydrogenation of ethylbenzene to styrene in the presence of co_2. meanwhile, the effect of different catalysts on the conversion of ethylbenzene and co_2, as well as the selectivity of styrene was investigated.

并将催化剂应用于CO2气氛下，乙苯温和氧化脱氢制苯乙烯反应。同时考察了不同组成的催化剂对乙苯及CO2的转化率，苯乙烯选择性的影响。

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Cr(ⅲ)-Based Catalyst System for Oligomerization of Ethylene to 1-Octene with High Selectivity

用于乙烯齐聚高选择性制1-辛烯反应的Cr（Ⅲ）基催化剂体系

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The effects of vanadium on selectivity of CRC-3 FCC catalyst and vanadium passivator

钒污染对CRC－3FCC催化剂选择性的影响及钝钒剂的研究

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The side-stream test of a new high selectivity low temperature shift catalyst

新型高选择性低变催化剂的工厂侧流试验

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The catalyst has high activity, selectivity and the characteristic of reaction controlled phase transfer catalyst.

该催化剂具有高活性、高选择性，且具有反应控制相转移催化剂的特性。

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The influences of spherical catalyst pellets with δ-function activity profiles on the selectivity of multi-component parallel reactions were studied.

本文分析了活性具有δ&函数分布的多孔球形催化剂对多组分平行竞争反应选择性的影响。

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According to the pellet models constructed in the first part of this paper, the diffusion reaction performance in a spherical catalyst pellet, and the effects of operation conditions and pellet size on reactivity and product selectivity were systematically investigated.

在催化剂颗粒模型化的基础上，考察了费托合成多重反应体系中球型催化剂的颗粒尺寸、操作条件及反应物在催化剂颗粒内的扩散反应行为等对反应性和选择性的影响。

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through screening test for the active ingredients it was identified that pd/ c catalyst has good selectivity for the ( reaction) of fatty nitriles with dimethyl amine to prepare alkyl-dimethyl tertiary amines.

通过对催化剂活性组分的筛选，钯/碳（Pd/C）催化剂对脂肪腈与二甲胺反应制备单烷基二甲基叔胺有良好的选择性。

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the results reveal that the catalysts can hydrogenate the p-nitrotoluene to p-toluidine under the mild conditions with no by-products, the selectivity of p-toluidine is up to 100%, and the reaction catalyst and reaction system could be separated easily after the reaction.

结果表明：该催化剂可以在温和条件下将对硝基甲苯加氢还原成对甲苯胺，未检测到副产物的产生，对甲苯胺选择性高达100%，且反应后催化剂与反应体系容易分离。

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Analogically, selectivity of 95 %-97 % were att ained with Lindlar catalyst poisoned by lead.

以Lindlar催化剂合成芳樟醇,脱氢芳樟醇转化率为99%～100%, 合成芳樟醇选择性为95%～97%.

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This process relies on a catalyst of high selectivity and week activity.

这过程所靠的是一种高选择性和低活性的催化剂.

词典精选例句

Especially , thepresence of Sn in TiO _ 2-SnO 2-SiO 2 catalyst promotered the selectivity to DPO.

经 Sn 改性后的复合型TiO_2-SnO2-SiO2催化剂,使DPO的选择性明显提高.

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The catalyst has high catalytic activity and selectivity for the prodn . of acrylamide from acrylonitrile.

本发明催化剂在丙烯腈催化合制丙烯酰胺的过程表现出很高的活性及选择性.

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Under mild conditions, at room temperature and ambient atmosphere, diphenyl thiourea could be synthesized through the reaction of aniline and CS 2 over AlCl 3 catalyst with high yield and high selectivity.

常温常压下，用AlCl3作催化剂催化苯胺和CS2进行反应，可以高收率和高选择性地得到二苯硫脲。

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The catalyst of selectivity catalytic oxidation con-sists of modified Al _ 2 O _ 3 and active metal oxides.

选择性催化氧化的催化剂都是以改性的Al_2O_3填加适量的活性金属氧化物.

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