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Catalysis of sulfuric acid has been investigated in the preparation of dibromoalkane by epoxy compound and aliphatic diol .

结果表明：浓硫酸的用量对环氧化合物以及脂肪二元醇合成二溴代烷的收率有很大的影响

The molar ratio of different metal ions within support, the preparation methods of supports and catalysts, and other factors had been studied. The activity of catalyst was evaluated by the synthesis experiments of diphenyl carbonate.

实验考察了载体金属离子的组成和配比、载体和催化剂的制备方法等因素对催化活性的影响，以苯酚氧化羰基化反应合成DPC的实验结果对催化活性进行了评价。

The microwave method is superior to dipping method for preparation of solid base catalyst.

不同方法制得的催化剂以微波制备的较好。

The catalytic activity of three different types of Cu 2+ exchanged zeolites (Cu ZSM 5, Cu Y, Cu M) for the NO direct decomposition, especially the effects of the preparation and reaction conditions on the catalytic activity have been studied.

NO在铜离子交换型沸石上的催化分解＊韩一帆汪仁（华东理工大学工业催化研究所，上海200237）关键词一氧化氮，催化分解，铜离子交换型沸石随着工业生产的发展和机动车辆的增加，向大气中排放的含氮氧化物的量日益增多。

E. Perform such other services as Advertiser may request from time to time such as, but not limited to , direct mail advertising preparation, speech writing, publicity and public relations work, market research and analysis.

进行广告商可能不时要求的其他服务，例如，但不局限于，直接的邮寄广告准备，演讲稿，宣传和公共关系工作，市场研究和分析。

The unique coupling transmission performance of the TTC-PCF shows its possible applications in the design and preparation of coupling strength continuously tunable fiber directional coupler and large mode field fiber lasers.

结合TTC-PCF展现的独特耦合传输性能，讨论了其在耦合强度连续可调光纤定向耦合器和大模场光纤激光器的设计与制备等方面的可能应用前景。

Use Visual C Programming long, the preparation of the works and more, and if we did not work in time to delete the directory Debug or Release directory, there will be a lot of garbage in the middle document retention in our system.

使用Visual C++编程久了，编写的工程多了，如果我们没有及时删除工作目录下的Debug或者Release目录，就会有大量的垃圾的中间文件存留在我们的系统中。

Don't change after the offer is confirmed, as the original production plan will be changed accordingly, which will disarrange the plans for finance, sourcing, storage, preparation for technology and timetable.

还盘确定后不可轻易改动，因为更改后，工厂已经安排好的原生产计划就要需随之调整，会造成包括财务、采购、仓库、技术准备、时间安排等计划打乱。

The content of this part includes preparation for crime, discontinuance of crime and attempt of crime.

在这部分论述的是私分国有资产罪的犯罪预备、犯罪中止以及犯罪未遂问题。

Section 2. Preparation for a Crime, Criminal Attempt and Discontinuation of a Crime

第二十二条为了犯罪，准备工具、制造条件的，是犯罪预备。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。