condensed nucleus,condensed ring,fused ring是什么意思

用法例句

Advance on the formation condition,pathway,toxicology and analytical methods of polycyclic aromatic hydrocarbons in tobacco smoke were reviewed.

综述了卷烟烟气中稠环芳烃(PAHs)的生成条件、途径、毒理性及分析方法研究的新进展。

Solubilization of the polycyclic aromatic hydrocarbons in the aqueous micellar solutions of poly (ethylene oxide)-poly(propylene oxide)-poly(ethylene oxide ) triblock copolymers have been investigated by UV-spectra measurements.

三种Pluronic嵌段共聚物(F108,P94和L64)胶束水溶液对萘、蒽、芘的增溶研究表明,它们在胶束和水相间的分配系数K_v值大小的顺序为:P94>F108>L64,这是由于具有较长PPO嵌段的Pluronic共聚物分子形成了较大内核的胶束,这种胶束有利于稠环芳烃的增溶。

Under the optimized working conditions, a series of polycylic aromatic hydrocarbons (PAHs) such as .

首次提出采用苯胺、1-萘胺、H-酸重氮盐对甲苯、萘、蒽等稠环芳烃类化合物进行常压热解化学电离质谱研究,考察了热解温度、升温速率、重氮盐用量等对初级离子信号的影响。

The reversed phase chromatographic performance of the new packing material was investigated with some polycyclic aromatic hydrocarbons (PAHs) as solutes.

以稠环芳烃为探针 ,考察了烷基膦酸改性锆镁复合氧化物材料的反相色谱性能。