【摘 要】
:
Based on the problems caused by many oxygen-containing functional groups and poor floatability on the surface of low rank coal,the characteristics of low rank c
【机 构】
:
SchoolofChemicalEngineering&,Technology,NationalEngineeringResearchCenterofCoalPreparationandPuri
【基金项目】
:
financially supported by the National Key R&D Program of China(No.2018YFC0604702),the National Natural Science Foundation of China(No.51774284).