assistant catalyst

用法例句

Determination of P and Fe in cocatalyst by X-ray fluorescence Spectrometry;

用射线荧光光谱法测定助催化剂中磷和铁的含量

Study on the Influence of Cocatalysts and External Donors on the Propylene/ethylene Copolymerization of Supported Ziegler-Natta Catalyst;

助催化剂和外给电子体对负载型钛系催化剂催化乙烯/丙烯共聚合的调节作用

Effects of various cocatalysts,namely trimethylaluminium(Me3Al),triethylaluminium(Et3Al),triisobutylaluminium(i-Bu3Al),trihexylaluminium(Hex3Al)and methylaluminoxane(MAO)on performance of donor-free TiCl4/MgCl2 catalyst for propylene polymerization at 100 ℃ were studied.

研究了助催化剂种类(三甲基铝、三异丁基铝、三正己基铝、三乙基铝和甲基铝氧烷)及其含量对无内、外给电子体的TiCl4/MgCl2催化剂催化丙烯高温(100℃)聚合性能的影响,并用结晶分级分析、示差扫描量热和凝胶渗透色谱等方法分析了所得聚丙烯的结晶熔融行为和微观结构。

Study on the effect of promoters on fused iron catalysts for Fischer-Tropsch synthesis

助催化剂对费-托合成熔铁催化剂影响的研究

Ziegler-Natta catalyst was used with tri-ethyl aluminum as promoter and external electron donor.

预聚合过程中增加助催化剂(三乙基铝)的用量,可以提高催化剂的催化活性(催化活性存在一个最佳值)。

The results show that in the synthetic hydroxylamine reactions the promoter GeO2 can improve Pt-Pd/C catalyst activity obviously,and not change the selectivity,but large quantity promoter will play a negative role in catalysis.

结果表明,羟胺合成反应中,添加助催化剂GeO2可明显提高Pt-Pd/C催化剂活性,对选择性影响不大,但大量的助剂对催化剂性能性有负面的作用;GeO2作为助催化剂阻碍了Pt-Pd/C催化剂活性组分的流失,助剂对吸附在载体上活性组分的微晶的聚集有一定的隔离作用,在催化剂的使用过程中可以阻止活性组分微晶的聚集长大,起到了细化Pt,Pd微晶的作用。

Perchloric acid as co-catalyst plays a key role in relation to the catalyst activity.

讨论了反应温度、氢气压力、Pd/C催化剂用量对反应的影响 ,以及高氯酸作为助催化剂在此反应中起的重要作用 。

The yield to glutaraldehyde was effected by various factors,such as catalysy,co-catalyst,solvent,etc.

介绍用过氧化氢水溶液一步催化氧化环戊烯合成戊二醛的工艺路线 ,讨论了催化剂、助催化剂、溶剂等因素对戊二醛收率的影响 。

The liquid oxidation of ethylbenzene catalyzed by metal phthalocyanines MPc(M=Co,Fe,Cu,Mn)in the presence of Co-catalyst was investigated under normal pressure of oxygen at 100℃.

在常压氧、10 0℃反应条件下 ,研究了不同金属酞菁及助催化剂K2 Cr2 O7存在时对乙苯液相催化氧化的活性 ,同时考察了高价金属氧化物V2 O5、MnO2 、MoO3 在钴酞菁液相催化氧化乙苯中的协同效应。

The development and application of de stinking technology and the progress in the research of assistant catalysts and activators both at home and abroad are introduced in this article.

本文介绍了国内外开发应用的脱臭工艺以及助催化剂、活化剂的研究进展 ,对我国目前轻质油品脱臭技术的研究开发提出建议。

Study on the Co-catalyst and Support for PEMFC's Pt-based Catalyst

PEMFC铂基催化剂的助催化剂及载体研究

Study on the effect of promoters on fused iron catalysts for Fischer-Tropsch synthesis

助催化剂对费-托合成熔铁催化剂影响的研究

The Effect of Co-Catalysts in Ethylene Trimerization Catalytic Systems

助催化剂在乙烯三聚催化体系中的作用

Effect of CuO-NiO as Co-catalyst on Photocatalytic Activity of TiO_2(P25)

CuO-NiO助催化剂对TiO_2(P25)光催化活性的影响

The citral is used as raw material and the lithium hydroxide/cocatalyst complex as catalyst produce Bata-ionone.

以氢氧化锂/助催化剂为催化剂体系,柠檬醛为原料合成β-紫罗兰酮。

Effects of Cocatalyst and Halide in Homogeneous PNP/Cr(Ⅲ) Catalytic Systems for Ethylene Tetramerization;

助催化剂、促进剂在乙烯四聚PNP/Cr（Ⅲ）催化体系中的作用

Effects of Cocatalyst on the Active Center Distribution of Supported Ziegler-Natta Catalyst;

助催化剂调节负载型Ziegler—Natta催化剂活性中心分布的作用及其机理

Manufacturing sales : catalyst, chemical fertilizer, cement, asphalt.

制造销售：催化剂、化学助剂、粘合剂、沥青。

Research Progress of Synergistic Effect of Metal Oxides on Pt-based Catalysts

Pt基催化剂对金属氧化物助催化作用

Study of Cs Promoting Effects on Ag Catalyst for Ethylene Epoxidation

乙烯环氧化银催化剂中铯的助催作用

The Effect of ZrO_2 Promoter on the Catalytic Activity of the Ni/SiO_2 Catalyst for CO Methanation

ZrO_2助剂对Ni/SiO_2催化剂CO甲烷化催化活性的影响

Review on the solid sulfur reduction catalysts/additives for FCC gasoline

催化裂化汽油固体脱硫催化剂/助剂研究进展

The Effects of Promoters on the Physical-Properties of VPO Catalysts;

复合助剂对VPO催化剂物性的影响

Neural Network Aided Design of Catalyst for Propane Ammoxidation

神经网络辅助丙烷氨氧化催化剂设计

ECONOMICAL BENEFITS ANALYSIS FOR THE ASSISTANT INCREASING PROPENE YIELD OF FCC UNIT;

催化裂化增产丙烯助剂经济效益分析

Effect of Different Supports and Promoters on Performance of Nitride Tungsten Catalyst;

载体和助剂对氮化钨催化剂性能的影响

HYDROTREATING PERFORMANCE OF DIESEL OIL OVER TUNGSTEN PHOSPHIDE CATALYSTS CONTAINING PROMOTER OF NICKLE AND COBALT

含助剂Ni(Co)磷化钨催化剂柴油加氢精制性能

War is a catalyst to help them to choose.

战争是一副催化剂来帮助他们选择。