The current geochemical view is that hydrocarbons generated from organic matter disseminated in fine-grained sedimentary rocks and coals are controlled primarily by temperature and duration of heating ...

Carbon materials produced from coal tar and petroleum pitch have aroused considerable interest over recent decades owing to their versatile applications and the relative abundance of their precursors.

A research team led by Prof. Shen Yan'an from the University of Science and Technology of China (USTC) has made significant progress in studying the sources and formation mechanisms of haze. Through ...