催化剂活性

pH对催化剂活性影响显著，碱性条件下更利于氨氮和亚硝态氮的氧化还原反应。

Effect of pH value on catalyst activity was obvious and basic condition favored the coupled ammonia oxidation and nitrite reduction .

FCCU平衡催化剂活性的软测量模型设计及其在DCS上的应用

Soft Measurement Model of FCCU Catalyst Activity and Its Application in DCS

Al2O3对中温变换催化剂活性的影响

Effects of A1_2O_3 as Promoter on Catalytic Activity of CO Conversion Catalyst

载体对Ni基催化剂活性和抗积炭性能的影响

Effect of Support on Resistance to Carbon-deposition of Nickel-based Catalysts for CO_2 Reforming of CH_4

Co～Mo系加氢脱硫催化剂活性中心的动态氧吸附表征

Characterization of the Concentrations of Active Sites for Co-Mo HDS Catalysts by Dynamic Oxygen Chemisorption

Fe2O3晶型对铁-铬系中温变换催化剂活性的影响

Effect of Fe_2O_3 Crystalline Phase on Activity of Fe-Cr system Medium Temperature Water-Gas Shift Catalysts

用硫滴定方法表征Pt/Al2O3催化剂活性中心的性质

The nature of active centers of pt / al_2o_3 catalyst characterized by sulfur titration

研究了Ce含量对Pd／Al2O3催化剂活性的影响。

The influence of Ce content on HDS activity of Pd-CeO2 / Al2O3 was studied .

BR用镍系催化剂活性种制备技术的改进

Preparation process of active species of Ni catalyst system for br

钴和镍对MoP/γ-Al2O3加氢精制催化剂活性的影响

Effect of CO and Ni on hydrotreating activity of mop / γ - al_2o_3 hydrofining catalyst

制备条件对新颖负载型TiO2光催化剂活性的影响

Effect of Preparation Conditions on the Catalytic Activity of Novel Immobilized Photocatalyst

发现Pd的添加方法不同，所得催化剂活性有差别。

It is found that the addition of Pd with different methods has influence on the performance of the catalysts .

从化学反应的根本上实现了对催化剂活性的保护和对SO2、H2S的抑制。

Protection of catalyst activity and restraint against SO2 and H2S are realized thoroughly from chemical reaction .

经过表面处理的载体制备的催化剂活性显著提高（COD去除率增加约10%）。

Activities of catalyst made by surface treated support were higher than not treated support ( COD removal increased about 10 % ) .

ABC三元促进剂系统，甲醇最高转化率达746%，催化剂活性期是使用单一促进剂A的25倍。

Three-composite system ABC had the highest methanol conversion of 74.6 % and its active period was 2.5 times of single promoter A ' s.

而CeO2则堆积在氧化铁表面，它对氧化铁晶粒的长大作用不大，它使催化剂活性大大提高必定有其它因素起作用。

There must be certain reasons for its improving the catalytic activity of the catalysts .

在加入牺牲剂的体系下CdS对催化剂活性的影响起到了主要作用。

In the system with sodium sulfide and sodium sulfite as sacrificial agent , cadmium sulfide played a major role in the catalytic activity .

浸渍顺序对Ag-Pd/Ce（0.8）Zr（0.2）O2催化剂活性及脱附性能的影响

Effect of Impregnation Sequence on Catalytic Activity and Desorption Property of Ag-Pd / Ce_ ( 0.8 ) Zr_ ( 0.2 ) O_2 Catalyst

用活性炭载体吸附水的NMR参数讨论了载体的亲水性和催化剂活性的关系。

The activity of the catalyst is discussed with respect to the hydrophobic property of the support by the NMR parameters of water adsorbed on the support .

该催化剂活性较高，明显优于粉体纳米TiO2光催化剂，重复使用10次左右，该催化剂的活性无明显下降。

The photocatalytic activity of the supported nanometer-sized TiO2 photocatalyst is significantly higher than that of TiO2 powder catalyst and decreased little after used for about 10 times .

其中Y型分子筛和Hβ沸石之间具有仂、同作用，结果是催化剂活性和异构性能同时提高，原因可能是反应中间产物存在由HY向Hβ沸石的定向迁移现象。

The so called " synergistic effect " was caused by directional transfer of intermediate compounds from Y zeolite to H ~ zeolite , resulting in enhanced activity and isomerization reaction simultaneously .

MgCl2晶型对丙烯聚合MgCl2载体催化剂活性的影响

Effects of crystal modifications of mgcl_2 on performance of supported catalyst for propylene polymerization

结果表明，LST1液体硫转移助剂在典型的催化裂化工艺条件下，SOx脱除率达50%左右，对催化剂活性基本没有影响。

Under typical FCC operating conditions , the removal efficiency of SOx reaches 50 % and has little effect on activity of the catalyst .

主要研究了助剂对Cu／SiO2催化剂活性、选择性和稳定性的作用及Cu／SiO2催化剂制备方法的影响。

In this dissertation , the effect of promoters on the performance of Cu / SiO2 catalyst and the preparation methods of supported copper catalyst were studied for the direct synthesis of indole .

讨论了反应温度、压力和H2/CO2比对催化剂活性和选择性的影响，并用XPS和FT-IR对催化剂进行了表征。

The influence of the reaction conditions such as temperature , pressure and H2 / CO2 ratio on the catalytic properties were also well studied . XPS and FT-IR methods were used to characterize the catalyst .

用H2脉冲色谱测定金属表面积的方法，研究了添加剂La2O3、MgO的添加量对甲烷水蒸汽转化催化剂活性组分镍的分散度的影响。

The influence of additives La 2O 3 , MgO on the Nickel dispersity of a steam-reforming catalyst was studied by means of hydrogen chemisorption on metallic surface .

催化剂活性的高压微反评价结果显示，固定床Raney镍催化剂的2辛酮加氢催化活性高于负载型镍催化剂。

The activity evaluation results on high-pressure microreactor indicate that 2-octanone hydrogenating activity of fixed-bed Raney nickel catalyst is higher than that of the alumina-supported nickel catalysts .

结果表明：催化剂活性位的Bronsted酸强度和空间结构是影响催化剂活性和选择性的主要因素。

Experimental results indicated that the catalytic activity was correlated closely with the acidity and the dimensional framework of the Bronsted acid site in catalysts .

本论文通过对FeCrAl合金金属载体的表面预处理方法进行研究，在FeCrAl合金表面获得了能与γ-Al2O3催化剂活性涂层良好结合的无机过渡膜。

An inorganic transitional membrane , which can get fastness load of y-Al2O3 washcoat , is produced by FeCrAl alloy substrate surface pretreatment .

结果表明催化剂活性的提高与铜物种在两种载体（CeO2和γ-Al2O3）上的价态（Cu2+和Cu+）、分散状态和吸附特性有关。

The results showed that the increase in catalytic activities is probably due to the presence of the copper oxide species with low valence , surface dispersion state and adsorption property .