SEARCH Articles Figures Tables Aliphatic structures in coal Analysis of Mineral Matter in Coal Anthracene in coal tars Ash, coal flypresence in high-sulfate pollutants Bridges in coal Calcite Cleats in Coal Carbon content in coal Carbon dioxide in coal Carbon in coal Carboxyl group in coal Catalytic Upgrading of Crude Coal Liquids in the Secondary Stage Clay minerals in coal Coal Gasification in a Global Context Coal gasification in situ Content in coal Cross-linked structure in coal Direct determination of total organic sulfur in coal Effect of Mineral Matter in Coal Elements in coal and fly ash ( Fluorine in coal Fracturing in Coal-beds Functional groups in coal Further developments in coal hydrogenation since Geochemistry of sulfur in coal Heteroatoms in Coal Hydrocarbons in Coals Hydrogen in coal Hydroliquefaction of coal in anthracene oil Identification in coals Impurities in coal Lignin like polymers in coals MINERAL MATTER AND ASH IN COAL Maceral in coal Mercury in coal Methyl groups in coals Mineral matter in coal Minerals in coal NEW APPROACHES IN COAL CHEMISTRY Nitrogen in coals Origin in coal Origin of Mineral Matter in Coal Origin of sulfur in coal Oxygen in coal Pores in coal Prospects for Catalysts in Coal Liquefaction Radical in coal Role in coal liquefaction Selenium in coals Sources in coal Spatial variation of organic sulfur in coal Sulfide in coal Sulfur forms in heavy petroleum and coal Sulfur in coal Sulfur, forms in coal Sulfur-containing organic compounds in coal Sulphur in coal Sulphur in six coals Trace element in coal Trace metals in coal Uranium in coals Vanadium in coal Volatile matter in coal Volatiles in coal Water in coal