H.X. Dai (H.X. Dai): Male, doctor, professor, doctoral supervisor, 1964, from Lean County, Jiangxi Province. 1987 graduated from the chemical engineering department of Nanjing University of Technology with a bachelor's degree. 1990 graduated from the cyclization department of Beijing University of Technology with a master's degree in heterogeneous catalysis. 1August, 1990 to1March, 1998, taught in the department of applied chemistry in beijing university of chemical technology. In April, 20001,he graduated from the Department of Chemistry of Hong Kong Baptist University with a doctor of science degree. From April 20065438 to April 2003, he worked as a postdoctoral researcher in the Department of Chemistry of Hong Kong Baptist University, the Department of Chemical Engineering of University of California, Berkeley, and the Department of Chemistry of Lawrence Berkeley National Laboratory. His tutors are world-famous catalytic experts Professor Alexis T. Bell and Professor Enrique Iglesia. Up to now, more than 30 SCI papers have been published in international authoritative academic journals on catalysis.