검색결과 : 4건
| No. | Article |
|---|---|
| 1 |
Wet and dry grinding of coal in a laboratory-scale ball mill: Particle-size distributions Bu XN, Chen YR, Ma GX, Sun YJ, Ni C, Xie GY Powder Technology, 359, 305, 2020 |
| 2 |
Carbonate petrology and geochemistry of Pennsylvanian coal balls from the Kalo Formation of Iowa Raymond A, Guillemette R, Jones CP, Ahr WM International Journal of Coal Geology, 94, 137, 2012 |
| 3 |
Paleoecology of the Late Pennsylvanian-age Calhoun coal bed and implications for long-term dynamics of wetland ecosystems Willard DA, Phillips TL, Lesnikowska AD, DiMichele WA International Journal of Coal Geology, 69(1-2), 21, 2007 |
| 4 |
Place vs. time and vegetational persistence: a comparison of four tropical mires from the Illinois Basin during the height of the Pennsylvanian ice age DiMichele WA, Phillips TL, Nelson WJ International Journal of Coal Geology, 50(1-4), 43, 2002 |