Prof. Ying Cheng from Beijing Normal University visited our group Date:May 19, 2017 Read times: Dr. Ying Cheng, visited our group and college of chemistry on May 16, 2017, and gave us a wonderful lecture entitled with The reaction and catalysis of N-Heterocyclic Carbene. PreNews: Prof. Steven L. Castle from Brigham Young University visited our group NextNews: Prof. Xinyuan Liu from Southern University of Science and Technology visited our group