采用无烟煤和焦炭对国产普通沥青进行了改性研究。
The modification of the asphalt with anthracitic coal and coke were studied in this paper.
结果表明，在通常的反应条件下，胶质大部分转化为液体，沥青质大部分转化为焦炭。
The results show that under general conditions of reaction, most of resin is converted into liquid, but most of asphaltene is converted into coke.
结果表明：沥青基炭复合材料的密度和抗压强度随焦炭颗粒平均细度的增大而增加。
Results show that the density and the compressive strength increase with an increase of the average (particle) size of granular pitch coke.
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