Acta Geodaetica, Geophysica et Montanistica Hungarica 20. (1985)

Principia of system-contemplation of the mining chemistry — Bella L, Tóth J.............................. 199 A new dressing technology system of domestic iron ores — Balia L sen.......................................... 209 Explosion risk of coal dust (methane) — inert material mixtures — Bánhegyi M, Egyedi J........ 219 Some aspects to the comprehensive interpretation of filtration process-control and reservoir­chemical interactions — Rácz D................................................................................................. 233 Interfacial and capillary phenomena in the displacement of oil by C02 Bauer К .................... 241 Redox method for the investigation of coal quality — Mrs. Milley-Tólh J.................................... 253 Interfacial energy and pore structure — Balia L, Milley Gy, Wagner О.......................................... 261 Rapid pyrolysis of Hungarian brown coals — Gerej J, György /...................................................... 273 Examination of relations between osmotic properties of shales and drillling problems occurring during drill-out — Berlinger H, Molnár J................................................................................. 283 Reservoir damage by phase dispersion during multiple gas-water displacements — Krelzschmar H J, Czolbe P......................................................................................................................................... 293 Laboratory investigation of residual phase disribution in consolidated sandstones — Weinhardl B, Heinemann Z................................................................................................................................. 303 Geochemical components of the effect mechanism of oil displacement with carbon dioxide — Németh E....................................................................................................................................... 319 Adsorption from binary liquid mixtures on the heterogeneous surfaces of actual solids; excess isotherms and heats of immersion — Rudzinski W. Zajac J ................................................ 337 The measurement of capillary pressure at a moving boundary — Rácz G, Ladányi В.................. 355 Preparation and application of low solid containing and solid-free drilling fluids — Dormán J . . 365 Effect of rock temperature on rock and gas outbursts — Somosvári Zs......................................... 375 Effect of the protective layer mining method on the reduction of rock and gas outburst danger — Somosvári Zs................................................................................................................................. 397 Calculation of air losses and suitable ventilator distances for ventilating pipes Janosilz J .... 409 Study of joint application of anionic and nonionic surfactants in enhanced oil recovery — Lakatos J, Milley Gy, Tóth J, Kristóf M, Capelle A, Wagner O, Lakatos-Szabó J, Felián В.............. 425 Integrating effect of hydromechanization of mining technological systems — Patvaros J............ 447 Materials law of isotropic rock continua — Horváth R...................................................................... 453 Properties of the Poynting-Thomson standard body during load decrease Horváth R ............ 463

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