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Some factors affecting the etherification, such as temperature, time and catalysts etc, were studied, and the relatively optimal reaction conditions were worked out molar ratio of reaction material/catalyst 1/1, T=100, t=1 h.

研究了影响醚化反应的一些因素，如温度、时间、催化剂等，并在此研究基础上得出了较佳的醚反应条件为：物料／催化剂的摩尔比为1/1，温度为100℃，时间为1 h。

The catalysts of supported 〓and 〓 were firstly used inthe etherification of FCC light gasoline.

将负载型磷钨酸和磷钨酸盐催化剂应用于催化裂化轻汽油的醚化反应。

The results of the experiment showed that the etherification ratio can be reached 93.5% when the mole ratio of alcohol and acid was 1:2; solid super acid SO4(superscript 2-)/Fe2O3 as catalysts and the reaction time for 2 hours.

实验结果表明较好的酯化条件是：n：n为1：2；催化剂为固体超强酸SO4(上标 2-)/Fe2O3；酯化时间为2h。其酯的收率可达93.5%。

Two magnetic triphase catalysts of comb-like polyether s supported by γ-Fe2O3 were synthesized, and their catalytic behaviors in the iodo-substitution, etherization and the addition reaction of dichlo-rocarbene to styrene were also investigated.

以表面经偶联剂修饰的γ-Fe2O3为载体，通过聚分别与乙二醇单甲醚和一缩二乙二醇单甲醚的醇钠盐反应，合成了两种磁性梳状聚醚三相相转移催化剂，研究了它们在碘代、二氯卡宾对双键加成和混合醚制备反应中的催化活性。

Two triphase catalysts of comb-like polyether s supported by silicas were synthesized,and their catalytic behavior in the iodo-substitution,etherization and the addition reaction of dichlorocarbene to styrene were also studied.

以表面经偶联剂修饰的二氧化硅为载体，通过聚(β-氯乙基缩水甘油醚)和醇钠反应，合成了两种梳状聚醚三相转移催化剂，研究了它们在碘代、二氯卡宾对双键加成和混合醚制备反应中的催化活性。

It was discovered that when ethyl nitrite was introduced to the surface of catalyst, Pd ethoxyl compound was formed and simultaneously the active site Pd was transferred to the surface of catalysts with the change from Pd〓 to Pd〓. Then lined-adsorbed CO inserted into Pd alkoxyl compound to form the carboethoxypalladium complex.

研究结果表明，在CO偶联反应过程中，亚硝酸乙酯在催化剂上吸附，生成钯乙氧基络合物，同时将催化剂表面上的活性中心氧化，由Pd〓→Pd〓，并向催化剂表面上迁移。

Coking and deactivation of zeolite catalysts in the synthesis of propylene glycol ethyl ether from propylene oxide and ethanol at lower reaction temperature were studied in this thesis.

本文选择反应物与生成物都含有氧原子的自环氧丙烷和乙醇合成丙二醇乙醚作为典型反应，研究较低温度下在沸石催化剂上反应过程中的的积炭失活规律。

Nano Platinum black ethylene oxide catalysts reaction temperature from 600 ° C to room temperature.

纳米铂黑催化剂可使乙烯的氧化反应温度从600℃降至室温。

This article investigates the selective hydrogenation of acetylene/ethylene mixtures over Pd-Ag series catalysts. The influence of important variable of hydrogen/acetylene ratio on the product yield pattern is discussed and cokes deposited on catalyst surface after reactions are analyzed.

本文以钯-银系列之触媒，进行乙炔/乙烯混合物之选择性氢化反应，除探讨氢气／乙炔之比例对於产物中乙烷及绿油组成分布之影响，同时说明触媒表面积碳之主要成份。

The catalysts for the combustion of ethyl acetat ewer eprepared using Fe,Co,Cu,Cr,and Mn metal oxides as active components supported on Al2O3-Ce0.5Zr0.5O2 mixed oxides and characterized by X-ray diffraction,temperature programmed reduction,oxygen storage capacity measurement,BET surface area,XPS measurement,and activity test.

制备了Fe，Co，Cu，Cr和Mn金属氧化物催化剂，所用载体为Al2O3-Ce0.5Zr0.5O2复合氧化物。利用X射线衍射，程序升温还原，储氧量测试，BET比表面测试和光电子能谱表征了催化剂。并利用活性测试表征了各种催化剂对乙酸乙酯催化燃烧能力。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。