![FTIR study on structural changes of different–rank coals caused by single/multiple extraction with cyclohexanone and NMP/CS2 mixed solvent]()
FTIR study on structural changes of different–rank coals caused by single/multiple extraction with cyclohexanone and NMP/CS2 mixed solventTian, Bin; Qiao, Ying–yun; Tian, Yuan–yu; Xie, Ke–chang; Liu, Qing; Zhou, Hai–feng · Fuel Processing Technology · 2016