| Tertiary lignites of As Pontes (NW-Spain) - An example for the composition of bright coal layers and its implications for formation
|
1997 |
Hagemann, H. W. |
| Organic petrology and organic geochemistry of selected lignites and bituminous coals from the Lena basin (Yakutia, Russia)
|
1997 |
Herd, KR. |
| Low-rank coal formation in Poland and the United States: I. Zittau Basin, Poland
|
1997 |
Kasinski, J. R. |
| Geochemistry of selected samples of peats from Paúl da Goucha (Alpiarca, Portugal)
|
1997 |
García, C. |
| Optical and FTIR microscopy of vitrinite from Galanderud coal
|
1997 |
Machovic, V. |
| Chemically modified coal macerals. Separation, density and surface area variations
|
1997 |
Dyrcacz, G. R. |
| The paramagnetic characteristics of pyrolysis products for coals treated by alkali and acid
|
1997 |
Butuzova, L. |
| Inverse gas chromatography determination of some physicochemical parameters of a high rank Colombian coal
|
1997 |
Baquero-Haeberlin, Ma. C. |
| New experimental data in favour of the theoretical approach to chemical evolution of sapropelitic kerogen
|
1997 |
Rokosov, Yu. V. |
| Specification of organic sulphur forms in low pyrite coals by atmospheric and high pressure temperature programmed reduction
|
1997 |
Brown, S. D. |
| Structural study on Chinese bituminous Zao Zhuang coal
|
1997 |
Nomura, M. |
| Production of humic and fulvic acids from different organic raw materials
|
1997 |
Silva, R. Muñoz da |
| Chemical structure of artificial coals obtained from cellulose, wood and peat
|
1997 |
Sugimoto, Y. |
| Effect of coal structure on thermal degradation of coal
|
1997 |
Mae, K. |
| A new approach to coal structure
|
1997 |
Mastral, A. M. |
| Sulphur compound types in Bulgarian lignite extracts
|
1997 |
Marinov, S. P. |
| Solubilisation of lignite during oxydesulphurization in alkaline solutions
|
1997 |
Yaman, S. |
| Mechanism of formation of methane, ethane and ethylene via the low temperature oxidation of steam coal
|
1997 |
Regev, D. |
| Combustion behaviour of oxidized coals
|
1997 |
Rincón, J. M. |
| Oxidative decomposition of formaldehyde catalyzed by coal UM
|
1997 |
Nehemia, V. |
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