Weixiang Zhao Dezhao Chen Shangxu Hu Differential Fraction-based Kinetic Model for Simulating Hydrodesulfurization Process of Petroleum Fraction. 141-148 2002 26 Computers & Chemistry 2 http://dx.doi.org/10.1016/S0097-8485(01)00091-2 db/journals/candc/candc26.html#ZhaoCH02