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The epoxidation of of various olefins was carried out using LDH-F with Mg/Al=5 as the catalyst and H2O2 and benzonitrile as the oxidants. This catalytic system has excellent catalytic activity. The conversion and selectivity are both above 95% when using styrene, indene, allyl alcohol, and allyl chloride as the substrates.

以Mg/Al=5的LDH-F为催化剂，H2O2和苯甲腈为氧化剂对不同官能团化烯烃进行环氧化反应，结果表明，此催化体系具有良好的催化性能，在苯乙烯、茚、丙烯醇和烯丙基氯环氧化反应中转化率和选择性均在95%以上。

Benzonitrile was selectively hydrogenated into benzylamine under mild conditions over activated amorphous nickel aluminium alloy catalyst which was prepared by rapidly quenching method.

由铜鼓快速淬冷法制备的非晶态NiAl合金催化剂经活化后用于催化苯甲腈加氢制苄胺的反应，考察了溶剂种类、苯甲腈初始浓度、催化剂用量、反应温度及反应压力等因素的影响，并测定了该催化加氢反应的表观活化能。

Experimental research on benzophenone synthesis is carried out including catalyst and solvent selection, ratio and temperature control.

把清洁生产理论和多个具体的清洁生产单元技术用于重组和优化二苯甲酮生产的流程结构和过程参数。

Effects of reaction temperature, oxygen concentration, catalyst dosage and reaction time on oxidation of benzyl alcohol were investigated.

考察了反应温度、氧浓度、催化剂用量以及反应时间对苯甲醇氧化的影响。

The effects of the composition of catalyst (the structure and amount of bident ligand and strong acid, the cocatalytic activity of Cu〓, the roles of methanol and phenol etc.) and the copolymerization condition (the reaction time, temperature, amount of ST and CO, the structure and amount of solvent etc.) on catalytic activity were studied. The principle of the copolymerization was investigated.

研究了催化体系组成（含氮双齿配体的结构与用量、强酸的结构与用量、铜盐的助催化作用、甲醇和酚类化合物作用等）和共聚反应条件（共聚反应的温度与时间、溶剂种类与用量、苯乙烯与一氧化碳量等）对溶液共聚反应的催化活性的影响，探索溶液聚合反应规律。

The effects of the composition of catalyst (the structure and amount of bident ligand and strong acid, the cocatalytic activity of Cu〓, the roles of methanol and phenol etc.) and the copolymerization condition (the reaction time, temperature, amount of ST and CO, the structure and amount of dilution reagent etc.) on catalytic activity were studied in detail. Also the optimum copolymerization condition was chosen.

深入考察了催化体系组成（含氮双齿配体的结构与用量、强酸的结构与用量、铜盐的助催化作用、醇类与酚类化合物的作用等）和沉淀共聚反应条件（共聚反应的温度与时间、稀释剂结构与用量、苯乙烯与一氧化碳量等）对该共聚反应的催化活性的影响，优化共聚反应的聚合条件。

A preliminary discussion on the possible synergic effect of bimetallic catalyst has also been made.

用IR和TEM技术对PVP负载型金属催化剂进行了表征，并讨论了双金属协同脱卤作用。

Catalyst Office of Beijing University of Chemical Technology designs a pressure resistant tank with a view cell, which was used to measure the critical point of six binary systems and the opalescence can be observed.

本文实验采用北京化工大学催化研究室自行研制设计的变体积可视化耐高压容器，利用临界乳光的出现作为临界点判据，对CO〓+环己烷，甲苯，正丁醛，异丁醛，甲醇和乙醇等六组超临界CO〓二元体系临界点进行了测量。

In this paper, the progresses of researches and applications of the immobilized lipase and whole cell biocatalyst in the production of biodiesel,glycerine recycling and new craft of catalyst regeneration are summarized.

本文综述了固定化脂肪酶，全细胞生物催化剂在生物柴油制备中研究应用的新进展。关键词：生物柴油；固定化脂肪酶；全细胞生物催化剂

Zinc blende structure ZnS nanowires have been successfully synthesized at about 700℃ by using NiS nanocrytal as the catalyst.

通过表征分析结果，我们提出了氧化还原反应作用下的VLS生长机制，较好的解释了ZnS纳米线的形成过程。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。