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.
介绍了煤沥青的性能、用途以及有广泛用途的煤焦油改质沥青的优异特性，改质机理和生产工艺；
The performance and usage of coal-tar asphalt were introduced. Meanwhile, it was assumed the excellent characteristics, mechanism and technology of the modified coal tar pitch.
介绍了煤沥青的性能、用途以及有广泛用途的煤焦油改质沥青的优异特性，改质机理和生产工艺；
The performance and usage of coal-tar asphalt were introduced. Meanwhile, it was assumed the excellent characteristics, mechanism and technology of the modified coal tar pitch.
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