The quinoline insoluble (QI) in coal tar and coal tar pitch is an important factor affecting the properties of subsequent carbon materials. In this paper, catalytic polycondensation was used to remove QI from heavy coal tar, and mesocarbon microbeads could be formed during the purification...

This dissertation comprises three essays on theoretical and empirical issues in industrial organization. Chapter 1 outlines the issues explored in the subsequent chapters and briefly describes their conclusions.Chapter 2 explores how product differentiation impacts the incentive compatibility...