Results show that three steps,i.e.mesophase micro-crystal formation,mesophase micro-crystal growth and mesophase spherule coalescence,are involved in the formation of mesophase.

• 实验结果表明:中间相沥青形成经历了3个阶段,即微晶形成、微晶生长及中间相小球融并,前2个阶段是缓慢过程,后1个阶段是快速过程。