Zobrazeno 1 - 2
of 2
pro vyhledávání: '"M. I. Gamov"'
Publikováno v:
Solid Fuel Chemistry. 56:323-329
Publikováno v:
Solid Fuel Chemistry. 47:124-128
The results of studies of the fractured porous structure of the organic matter of coals and the composition of mineral impurities in oxidized black coals are reported. Data of petrographic and electron-microscopic studies combined with microanalysis