助催化剂

钾助催化剂与Fe3O4相互作用行为的XRD表征

XRD Characterization of Interaction between Potassium Promoter and Magnetite

添加Co或/和K助催化剂可在不同程度上改善Pt/γ-Al2O3催化剂对富氢气氛下CO选择性氧化的性能。

The addition of Co or / and K promoter could improve the catalytic performance of Pt / γ - Al_2O_3 for CO preferential oxidation in H_2-rich stream .

稀土助催化剂对CO2重整CH4反应的作用

Effect of Rare Earth Promoters on Ni / BaTiO_3 Catalyst in CO_2 Reforming CH_4

通过以C为助催化剂，E为主催化剂的α-烯烃聚合正交实验，初步得出各反应因素与聚合物减阻率之间的关系；

The relationship between efficiency of drag reduction and factors was given by quadrature experiment of alpha olefin polymerization whose catalyst system was C-E.

PEMFC铂基催化剂的助催化剂及载体研究

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

在催化剂中加入助催化剂如稀土元素Nd、Ce等，以及用稀土对催化剂载体的进行修饰，都会改变催化剂的表面结构。

The surface structure of catalyst and catalyst support can be changed by modification with rare earth elements .

以MAO为助催化剂，研究了这些配合物的乙烯催化性能。

Employing MAO as cocatalyst , the catalytic behaviors of these complexes were tested .

助催化剂对Fe（1-x）O基费-托合成催化剂性能的影响

Effect of promoters on reaction performance of Fischer-Tropsch synthesis over Fe_ ( 1-x ) O-based fused iron catalyst

若选择（H3PO4）n作催化剂，三乙胺（TEA）为助催化剂，产率87.5%。

If the ( H3PO4 ) - 4 is chosen as catalytic promoter and triethylamine ( TEA ) added , a higher yield will be obtained .

使用强碱NaOH为助催化剂时，可提高氢转移加氢反应的速率和转化率；

The addition of NaOH can increase the reaction rate and conversion of acetophenone significantly .

用硒作催化剂，三乙胺为助催化剂，CO为羰基化试剂，通过氧化还原羰基化的方法，将邻硝基苯胺类化合物在分子内羰基化成环，反应生成相应的一系列环脲类物质。

O Nitroaniline and its derivatives may produce a series of cyclic ureas by applying the method of selenium catalyzed CO oxidative and reductive carbonylation .

研究了混合助催化剂与DQ-1型和N型催化剂分别配合催化丙烯均聚的聚合物分子量分布和活性中心分布。

The effects of different mixtures of cocatalysts on the active sites distribution in propylene polymerization were investigated .

引入助催化剂HCl后，经过制备工艺的改进，Ma~（2+）/树脂催化合成丙烯酸正丁酯的收率能达到90%以上。

After adding the catalytic promoter , HCl and improving the process , the yield of BA was up to 90 % .

含La2O3助催化剂的铁酞菁分子筛的微波合成及催化性能的研究

Study on preparation of the immobilized iron phthalocyanine / X zeolite by La_2O_3 under microwave , characterization and it ′ s catalysis for decomposition of H 2O 2

助催化剂对负载型Ziegler-Natta催化剂活性中心分布的影响

Study on the influence of cocatalyst on the active site distribution of supported Ziegler-Natta catalyst

本文采用NiS为助催化剂，在Na2S/Na2SO3作牺牲试剂时CdS的光催化效率得到了很大的提高。

The photocatalytic activity of CdS could be greatly enhanced by loading NiS as cocatalyst and using Na2S / Na2SO3 as sacrificial reagents .

通过设计一系列乙烯聚合实验，深入探讨了中心金属的电子效应、配体的结构及测试条件如时间、温度、助催化剂MAO的用量与催化剂活性之间的关系。

The correlation among electronic property of central metal , the ligand structure , as well as reaction conditions and polymerization / polymerization activity are investigated .

三种工艺路线生产甲硫醇催化剂中主体活性组分都是ⅥB族过渡金属元素W和Mo，常用的助催化剂为K，载体为具有一定孔特性的二氧化硅和氧化铝。

For the catalysts used in above-mentioned three systems , the main active components are ⅵ B transition metal W and Mo , with K as the promoter and silica and alumina as the carriers .

对环己基甲基二甲氧基硅烷（CMMS）（合成聚丙烯的助催化剂）的合成进行了研究。

Synthesis of the title compound ( CMMS ) as a cocatalyst for synthesis of polypropylene was studied .

该催化剂同时具有Lewis酸金属中心以及Lewis碱中心，在无任何助催化剂，以及无任何溶剂的情况下，合成环碳酸酯。

This catalyst combined the Lewis acid metal center and the Lewis base center , without any co-catalysts , any solvents , was applied for the synthesis of cyclic carbonates .

以W-4型Raney-Ni为催化剂，添加少量脱氯抑制剂（助催化剂），对3,4-二氯硝基苯催化加氢进行了研究。

Catalytic hydrogenation of 3,4-dichloronitrobenzene with W-4 Raney-Ni catalyst was investigated .

磁化率测量结果表明用Al（i-Bu）2OPhCH3作助催化剂体系中Ni（I）含量较高。

By the magnetic susceptibility method , it was proved that the content of Ni (ⅰ) was higher in the catalyst system with Al ( i-Bu ) _2OPhCH_3 as a cocatalyst .

对反应的主要影响因素进行了考察，如反应时间、温度，环己烯与H2O2物料配比，催化剂种类及用量，助催化剂种类及用量，溶剂种类及用量等。

The key factors influencing the epoxidation were also studied , such as reaction time , temperature , mole ratio between cyclohexene and H2O2 , the kinds and amount of catalysts , of cocatalyst , and those of solvent .

研究了催化剂种类，助催化剂用量，原料配比，稳定剂用量以及缩聚反应温度对聚对苯二甲酸丙二醇酯（PTT）端羧基含量的影响规律。

The effects of catalyst variety , co-catalyst amount , feedstock mole ratio , stabilizer amount and condensation temperature on carboxyl terminal group content of polytrimethylene terephthalate were studied .

以十二水合硫酸铁铵作催化剂，相转移催化剂（PTC）PEG-400为助催化剂，利用超声波和微波辐射催化缩酮反应。

The ketol reaction is catalyzed by ammonium ferric sulfate in the presence of PEG - 400 as a PTC under ultrasound and microwave irradiation .

开发了一种以α-Fe2O3为主体、GeO2为助催化剂的铁系催化剂，它可用于苯酚邻位烷基化制2,6-二甲酚。

A kind of Fe catalyst with α - Fe_2O_3 as its main component and GeO_2 as its promoter has been studied . It can be used for ortho-alkylation of phenol to 2,6-dimethylphenol .

采用浸渍法制备了FCC汽油叠合生产柴油催化剂，考察了活性金属Ni负载量、助催化剂、催化剂制备条件对催化剂性能的影响，以及催化剂的稳定性和再生性能。

The catalyst for FCC gasoline oligomerization to produce diesel oil was prepared by dipping method . The effects of mass fractions of active metal Ni and catalytic promoter as well as the preparing condition were investigated simultaneously .

讨论了催化剂用量、助催化剂（KF）用量、反应时间和温度、碱基、溶剂选择等对反应收率的影响。

The influences of process conditions including the amount of catalyst , reaction temperature and time , basic groups and solvent selection on the reaction yield were discussed .

在催化剂涂层中，一般添加稀土La、Ce和Ba、Zr等基本金属做为稳定剂和助催化剂，以改善涂层的热稳定性和增加储氧功能。

Generally , some rare-earth metals , such as La , Ce , Ba , Zr , etc. are added to the monolithic catalysts as stabilizer and promoter to improve the thermal stability and increase oxygen storage function .

分别考察了溶剂，反应温度，助催化剂（Al2O3和乙酸铵），NH3加入量以及H2O2加入量对反应的影响。

The influence of the solvents , temperature , the co-catalysts ( Al2O3 and ammonium acetate ), the mole ratios of NH3 to acetophenone , and H2O2 to acetophenone on the reaction were investigated .