催化剂选择性

Co-Mo组合对烯烃饱和的能力相对较弱；较高的Co/Mo原子比有利于提高催化剂选择性；

High Co / Mo ratio was beneficial to improving catalyst selectivity ; Co-Mo couple showed relative low olefin saturation ability ;

助剂的加入对催化剂选择性有明显的影响；

And additive also affected the catalyst selectivity significantly .

V2O5/TiO2催化剂选择性催化还原脱除NOx的研究

Investigation of selective catalytic reduction of NO_x with V_2O_5 / TiO_2 as catalysts

新型贵金属修饰的Ag/Al2O-3催化剂选择性催化还原NOx的催化性能及反应机理

Catalytic Activity of Novel Noble Metal Modified Ag / Al-2O_3 for Selective Catalytic Reduction of NO_x and Reaction Mechanism

氢气对Ag/Al2O3和Cu/Al2O3催化剂选择性催化C3H6还原NOx反应的影响

Effect of H_2 on Selective Catalytic Reduction of NO_x by C_3H_6 over Ag / Al_2O_3 and Cu / Al_2O_3 Catalysts

镧、铈对Pt，In/Al2O3催化剂选择性还原NO性能的影响

Effect of Lanthanum or Cerium Doped-Pt , In / Al_2O_3 Catalysts on ( Selective ) Catalystic Reduction NO

钒污染对CRC－3FCC催化剂选择性的影响及钝钒剂的研究

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

V2O5-WO3-SiO2/TiO2和Ag/Al2O3催化剂选择性催化还原（SCR）氮氧化物的试验研究

Experimental Study of Selective Catalytic Reduction ( SCR ) of NO with Catalysts of V_2O_5-WO_3-SiO_2 / TiO_2 and Ag / Al_2O_3

在富氧条件下，以乙醇为还原剂，考察了不同金属负载量的Ag/Al2O3和Cu/Al2O3催化剂选择性还原NOx的活性。

The selective catalytic reduction of NO_x by ethanol was studied over Ag / Al_2O_3 and Cu / Al_2O_3 catalysts with different metal loadings .

研究了碱金属助剂对Pt/γAl2O3催化剂选择性氧化富氢气氛中CO性能的影响。

The effects of alkali metal promoters on the catalytic performance of Pt / γ - Al_2O_3 for preferential oxidation ( PROX ) of CO in hydrogen-rich stream were studied .

实验结果表明，以γAl2O3为载体的催化剂选择性较差且易积碳失活；

The results showed that the catalysts with γ _Al 2O 3 as support had worse selectivity than with SiO 2 and were easy to cause coke formation .

TEM及XRD测试表明，铜粒子大小为33mn左右且具有一定结晶度时催化剂选择性较高。

The results of TEM and XRD showed that the selectivity of Cu / SiO2 catalyst was high when copper particle size was about 33 mn and the crystallinity of copper reached definite value .

并以RFCC汽油加氢脱硫为探针反应，考察了以镁铝复合氧化物为载体的催化剂选择性加氢脱硫性能。

The selective hydrodesulphurization ( SHDS ) properties of the catalyst supported on the magnesium-aluminum composite oxides were investigated with the SHDS of residual fluid catalytic cracking ( RFCC ) gasoline as probe reaction .

不同方法制备的铟催化剂选择性还原NO

Selective Reduction of NO over Indium Catalysts Prepared by Different Methods

铁基催化剂选择性催化还原烟气脱硝特性比较研究

Comparison About Selective Catalytic Reduction of De-NO_x on Iron-based Magnetic Materials

催化剂选择性影响因素主要是加氢裂化或氢解反应。

The selectivity of these catalysts was affected mainly by hydrocracking reaction .

钒催化剂选择性氧化乳酸乙酯制丙酮酸乙酯

Selective oxidation of ethyl lactate to ethyl pyruvate over supported vanadium catalysts

反应条件对钴钼催化剂选择性加氢脱硫性能的影响

Effect of reaction conditions on selective hydrodesulfurization over como / al_2o_3 catalyst

非贵金属催化剂选择性催化还原消除工业尾气中的氮氧化物

Selective catalytic reduction of nitrogen oxides-containing industrial tail gases by inexpensive metals

碳二加氢催化剂选择性快速评价法及其应用

Real-time evaluation method for the selectivity of acetylene hydrogenation catalyst and its application

Pd&Bi/C催化剂选择性氧化葡萄糖醛基的研究

Studies on the Palladium-Bismuth / carbon Catalyst Selectively Oxidizes only the Aldehyde Group of Glucose

催化剂选择性好，芳烃基本不损失；

This catalyst is featured by its excellent activity , good selectivity and long life .

一年运行数据表明，该催化剂选择性平均值达1.090，进口催化剂选择性平均值1.093；

One-year operation showed that the average selectivity of BC-239 and imported catalyst was1.090 and1.093 respectively .

金属助剂对豆油氢化催化剂选择性和活性的影响

Effects of promoters on selectivity and activity of catalyst in the process of hydrogenation of soybean oil

通过对裂解气组分的在线分析，研究了催化剂选择性的影响因素。

Through the online analysis on cracked gas components , the selective factor of catalyst is researched .

水是影响催化剂选择性的重要因素，但对活性影响不大。

The water adsorbed on catalyst is very important to selectivity , but its effect on activity is quite small .

新工艺的催化剂选择性≥95.5%，醇转化率≥98.8%。

Catalyst selectivity of the new process is ≥ 95 . 5 % , alcohol conversion is ≥ 98 . 8 % .

通过对溶剂的选择，使得催化剂选择性地溶解在某一液相中，而使产物溶解在另一液相中，如水-有机两相催化体系；

Selective dissolution of catalyst in one liquid phase while substrate and product in the other can be attained by choosing suitable solvent .

考察了载体焙烧温度、金属镍与镁的负载量对催化剂选择性加氢性能的影响。

The effect of the calcinatory temperature , the contents of nickel and magnesium on the performances of selective hydrogenation catalysts was investigated .

通过大豆油和玉米油在相同的氢化反应条件下，用不同的催化剂选择性氢化。

In this paper , partial hydrogenation of soybean and corn oil were carried out with different catalysts under the same conditions of experiments .