结果表明：硫的添加能有效地促进沥青球的不熔化，缩短不熔化时间。
The result shows that sulfur additive can significantly enhance the PBS stabilization and decrease the stabilizing time.
制备了不同硫含量的各种粒级的添加硫沥青球，并且选择合适的工艺条件进行氧化稳定化处理。
A various sizes of pitch-based spheres (PBS) with different content of sulfur were prepared and they were stabilized in air with right process.
随着温度的沥青软化和垂在球的重量。
With increasing temperature the bitumen softens and sags under the weight of the ball.
研究发现，添加石油沥青可以促进乳化液中沥青分子与分散剂界面上表面活性剂分子的取向稳定性，从而明显改善沥青微球的球形度。
It was found that petroleum pitch addition could improve the sphericity of pitch spheres by stabilizing the surfactant orientation on the interface between pitch molecules and dispersant.
通过控制原料中一次PI的含量及聚合条件，获得较窄粒径分布的中间相沥青炭微球。
The MCMB product with a narrower size distribution could be obtained by controlling the primary PI content in coal tar and the polymerization conditions.
用扫描电子显微镜（SEM）分析了煤沥青中原生喹淋不溶物（QI）的形貌，考察了不同有机溶剂对分离中间相微球的影响；
The morphology of pri- mary QI was observed under Scanning Electron Microscope (SEM) . The effects of solvents on the seperation of MCMBs were examined.
用扫描电子显微镜（SEM）分析了煤沥青中原生喹淋不溶物（QI）的形貌，考察了不同有机溶剂对分离中间相微球的影响；
The morphology of pri- mary QI was observed under Scanning Electron Microscope (SEM) . The effects of solvents on the seperation of MCMBs were examined.
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