查询词典 anisole

The anisole is studied by using multiphoton ionization technique and time-of-flight mass spectrum under the radiation of the 355 nm laser.

在355 nm激光作用下，利用多光子电离技术结合飞行时间质谱对苯甲醚分子进行了研究。

By analyzing the differences between acidic and basic catalytic action in this transesterificatios, it is considered that the main cause of yielding an anisole by-product is due to the basic catalysis, a Lewis acidic catalyst is helpful for the selective DPC formation.

通过分析酸碱催化作用在酯交换反应中的差异，认为碱催化是副产物苯甲醚生成的主要原因，Lewis酸性的催化剂有利于碳酸二苯酯的高选择性。

The more active catalyst and the more suitable carrier should be selected further not only to heighten the yield of MPC and DPC,but to avoid the production of anisole at above 250℃.

由此可以知道，要想使得MPC、DPC产率增加需选择更适合的催化剂，而对于高温下气固相反应应该选择更适合的能有效抑制苯甲醚副反应发生的催化剂载体。

This inexpensive anisole solvothermal method extended the field of organic solution phase pyrolysis or the area of the traditional solvothermal process, and paves a new way for the synthesis of other important pure or doping ternary functional materials.

这种廉价的苯甲醚溶剂热方法拓宽了传统有机液相高温热解法和溶剂热合成路线的应用范围，为合成其他纯相或掺杂的的三元化合物提供了一条方便廉价的新途径。

In this dissertation, we choosed anisole as starting material, via chloromethyla tion, cyanogenation, to prepare methoxybenzeneacetonitrile, then fractionated in a fractionating tower, and finally...

本论文也对两步的反应条件进行了探索，获得了比较理想的反应条件。文中还对对甲氧基苄氯自聚的原因与机理进行了探讨，并找到了比较理想的阻聚剂，使得粗品收率提高了10％。

When metal oxides were supported on γ-Al〓O〓, higher conversions of phenol were obtained, but the selectivties to anisole, a by-product, were also higher.

在使用负载型催化剂催化苯酚与DMC的酯交换反应中，γ-Al〓O〓作载体时的催化性能比SiO〓作载体时好，但产物中苯甲醚的选择性也相对较高。

With this standard method, simultaneous quantification of DMC, MPC, DPC, phenol and anisole can be achieved accurately, which provide the standard methods for evaluation of different catalysts and control of the reaction process. The microwave-aided catalytic technique was applied in the transesterification of DMC and phenol.

分别以苯甲酸乙酯和丙酮为内标物，实现了对酯交换反应塔釜产品和塔顶馏分的同时定量，为评价催化剂活性的高低和工艺条件的优劣提供了标准化分析方法。

These studies indicate that the boron fluoride with nitromethane or acetone system with higher separation factor is superior to the anisole system used currently,but a more detailed study is.

采用苯甲醚、硝基甲烷、丙酮、甲基异丁基甲酮4种络合剂分别与三氟化硼合成出了4种络合物体系。

Thus, the synthesis of anisole by O-methylation of phenol with DMC had been extensively investigated using phase transfer catalysts, organic alkaline catalysts or zeolites catalysts.

相转移催化剂，有机碱类催化剂以及分子筛催化剂是DMC甲基化苯酚合成苯甲醚这一反应的高效催化剂，研究的比较广泛和深入。

The activity of the co-catalysts consisting of H form zeolites ( HY, H-β and HZSM-5) and SnO in the reaction of anisole with acetyl chloride mainly depended upon the SiO2/Al2O3 molar ratio of the zeolite used.

由H型沸石(HY和H-ZSM-5沸石)和SnO组成的复合催化剂在苯甲醚与乙酰氯的酰化反应中的催化活性主要取决于所用沸石的硅铝比。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。