The composition, structure and reactivity of coal has been a very important issue incoal science, which has been the foundation for optimizing existing coal processingand conversion technologies and developing new technologies.

• 煤的组成、结构及其反应性一直是煤科学中的一个很重要的基础问题，对它的深刻理解与认识是优化现有煤炭加工转化工艺及开发各种新的煤炭加工转化技术的前提和基础，也是现代煤化学及煤化工技术研究与开发的新起点。