Rock crushing by punches at various velocities of load application

Author: J. Zawada

Possibility of determining colmatage parameters and functions basing on the theory of colmatage and experiment

Authors: A. Trzaska, K. Broda

Boundary conditions for elementary functions of probability densities for the production process realised in longwalls

Author: R. Snopkowski

Cost-benefit analysis of prevention of radon risk in Polish mines

Author: J. Skowronek

Theoretical and laboratory investigations on oil displacement from the rock matrix under capillary forces

Authors: K. Liszka, J. Stopa

Experimental verification of the theoretical model of the thermal detector of flow reversal

Autor: J. Kiełbasa

Hybrid control problems of coal flotation process

Author: R. Kaula

Comments on stochastic flows through channels

Author: W. Cierniak

An estimation of risk by respirable dust

Author: K. Cichowski