๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

95/01131 Changes of chemical structure and properties during oxidation of Chaill coal


Publisher
Elsevier Science
Year
1995
Weight
207 KB
Volume
36
Category
Article
ISSN
0140-6701

No coin nor oath required. For personal study only.


๐Ÿ“œ SIMILAR VOLUMES


99/02368 Compositional and structural ch
๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› Elsevier Science โš– 191 KB

## Comparable deformation and pressure changes were identified for both models. It is suggested that both the physical and the mathematical models grinding ball is twice as good and corrosion resistance is improved by 29can be applied to investigation of the precursor phenomena of rock burst. 57%.

Changes in optical properties of coals d
โœ Vincenzo Calemma; Gastone Del Piero; Riccardo Rausa; Ermanno Girardi ๐Ÿ“‚ Article ๐Ÿ“… 1995 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 812 KB

Montana Rosebud coal and North Dakota lignite have been oxidized in a fluidized bed reactor at 2OO'C, with air at 0.2, 0.6 and 1 MPa for reaction times up to 4 h. Oxidized samples were analysed by reflected light microscopy to investigate the variation of reflectance, formation of rims and changes i