Relationship between particle size distribution and work in a grinding process

Author: A. Siwiec

Isosteric heats of methane sorption on hard coals of different ranks at elevated pressures

Authors: A. Nodzeński, S. Hołda

A criterion and evaluating method of agreement for the determined and true qality of particulate material

Author: J. Martyniak

Surface subsidence and rate of its increaments based on measurements and theory

Author: A. Kowalski

The power of coolers operating indirectly in unsteady states

Authors: K. Filek, B. Nowak, J. Roszkowski

Mathematical model of methane caused by a collapse of rock mass crump

Authors: W. Dziurzyński, A. Krach

Numerical simulation of development of a fire in the longwall goaf

Author: W. Dziurzyński