According to the latest statistics released by ESI （Essential Science Indicators）, two papers, with Prof. Dai Shifeng of CUMTB as the first author, namely “Geochemistry of trace elements in Chinese coals: A review of abundances, genetictypes, impacts on human health, and industrial utilization” (2012, volume 94, P.3-21) and “Mineralogical and geochemical anomalies of late Permian coals from the Fusui Coalfield, Guangxi Province, southern China: Influences of terrigenous materials and hydrothermal fluids” (2013, volume 105, p.60-84) both published on International Journal of Coal Geology, were respectively selected as world top 0.1% hot papers and top 1% highly cited papers in the last 10 years.