International symposium on lower rank coal ( buku 2)
Macerals are the microscopically recognizable individual constituents of coal and depending on their quantitative participation and their association, they control the chemical, physical and technological properties of a coal of a given rank. In this new classification (ICCP system 1994) the maceral group has been revised from its previous classification (ICCP, 1971) to accommodate the nomenclature with changes in the pther maceral groups, especially the changes in the vitrinte classification (ICP, 1998)
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Pusat Sumber Daya Mineral, Batubara dan Panas Bumi - Jln. Soekarno Hatta No. 444, Bandung, Jawa Barat
PMB 02 - 2006 Prosiding