共 50 条
- [47] TRACE-ELEMENTS IN COAL AND THEIR DISTRIBUTION CHARACTERISTICS DURING COAL COMBUSTION SCIENTIA SINICA SERIES A-MATHEMATICAL PHYSICAL ASTRONOMICAL & TECHNICAL SCIENCES, 1987, 30 (03): : 288 - 297
- [49] Coal quality trends and distribution of potentially hazardous trace elements in Eastern Kentucky coals Fuel, 1997, 76 (8 SPEC. ISS.): : 711 - 715
- [50] Chemometric Study of Trace Elements in Hard Coals of the Upper Silesian Coal Basin, Poland SCIENTIFIC WORLD JOURNAL, 2014,