查询词典 aromatic hydrocarbon

Capacitors are impregnated with synthetic oil which is an aromatic hydrocarbon.

电容器充合成的芳香族烃油，它对环境的影响大致与变压器油类似。

This new calculation method has only one parameter for calculating ionization potentials of polycyclic aromatic hydrocarbon.

用这种新方法估算多环芳香烃类化合物的电离能，所用参数少且为分子结构性参数，稳定可靠，计算简便，结果较满意。

RN2, in which R is an aromatic hydrocarbon.

重氮基一价阳离子rn2，其中r是芳烃

This paper expounds the photochemical reaction of alkenes, ketones and aromatic hydrocarbon, and discusses the mechanism of their photochemical decomposition and the application of photochemistry in organic synthesis.

本文介绍了烯、酮、芳烃体系的光化学反应，从光化学过程讨论了它们的光解机理以及它们在有机合成中的应用。

Main management liquid gas, paraffin wax, bunker oil, aromatic hydrocarbon primarily petrification product.

主要经营液化气、石蜡、燃料油、芳烃为主的石化产品。

At high DS of octanolylated KGM, dodecanolylated KGM, PKGM and octadecenoylated KGM the intercrystalline distances are 2.10, 2.45,2.58 and 3.39nm,respectively,and the effect of DS of KGME on its emulsifying ability has been investigated in aromatic hydrocarbon in water and cycloalkane in water emulsions.

本文用化学方法制备的葡甘聚糖酯从结构上看具有表面活性剂的亲水亲油及聚合物两方面的特性，实验证明，在合适的取代度范围，当葡甘聚糖酯浓度在0.1%～0.01%时，其有较强的乳化力。

Distribution coefficients, separation factors and selectivity were evaluated for the immiscibility region, and their connections with temperature and the concentration of aromatic hydrocarbon were studied respectively.

Othmer-Tobias和Bachman方程对三元体系相平衡实验数据关联的结果表明实验数据具有较好的一致可靠性。2、N-甲酰吗啉抽提性能研究。

Through annual monitoring in different domains and seasons,,we had a rudimentary grasp of changing law and composition of polycyclic aromatic hydrocarbon in the air of urban area.

通过全年按不同功能区、不同季节的监测，对市区空气中多环芳烃的组成和变化趋势有了初步的了解，定性检出57种多环芳烃。

Ethylene unit ; 9 carbon ; aromatic hydrocarbon ; solvent naphtha ; petroleum resin

乙烯装置； 9碳；芳烃；溶剂油；石油树脂

By using a mixture of aromatic hydrocarbon and water as a binary solvent,reaction of pyrogallol with PhCCl 3 was carried out in the presence of a catalyst(ZnCl 2?AlCl 3 or SOCl 2).2,3,4-Trihydroxybenzophenone was obtained in yields of 80%-87% with the advantages of easy control,stable yield,high product quality and low cost.

以焦性没食子酸为起始原料，在惰性气体保护和催化剂(ZnCl2、AlCl3或SOCl2)的存在下，在芳香烃与水组成的二元混合溶剂中，与三氯甲苯反应，经过芳香烃溶剂的后处理，可以得到2，3，4-三羟基二苯酮，产率最高达87%。

Methods: Five patients with parkinsonism or dystonia were assigned to general anesthesia using an modified endotracheal tube.

本实验依照人体实验之相关规定进行，五位患有帕金森氏症或肌张力异常的病人接受神经立体定位手术。

If you can benefit from this book, it is our honour.

如果您能从本书获益，这将是我们的荣幸。