喹啉不溶物是指煤焦油或煤焦油沥青中不溶于喹啉的组分。简称QI。喹啉不溶物的含量是表征煤焦油沥青性质的主要指标之一。
经超临界甲苯萃取过的沥青(SCFE沥青)丝毫不含导致小单元尺寸各向异性结构的喹啉不溶物(QI)。
Pitches extracted -with supercritical toluene (SCFE pitch) contained none of the quinoline insoluble (QI) matter responsible for anisotropic structures with small unit sizes.
通过B-L公式计算了煤焦油沥青的结构，采用扫描电镜（SEM）和能谱分析研究了煤焦油沥青中的喹啉不溶物（QI）。
The characteristic parameter of coal tar pitch was investigated by B-L equation, The structural compositions of QI from coal tar pitch were studied by means of SEM and energy spectrum.
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