Search Results - "Medek, J."

Combined isotherm of adsorption and absorption on coal and differentiation of both processes by Medek, J., Weishauptová, Z., Kovář, L.

“…Sorption of hydrogen and helium on coal and activated charcoal was measured at 298 K within the pressure range 0–1 bar and the obtained isotherms were…”
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Bond forms of methane in porous system of coal II by Weishauptová, Z, Medek, J, Kovář, L

“…Besides methane adsorbed in porous system of coal, a considerable part is dissolved (absorbed) in macromolecular coal matrix. This part is usually included…”
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FTIR spectroscopy and sorption of water vapour as methods of identification of hydrated zirconium dioxide on a corrosion layer of zirconium alloy by Weishauptová, Z., Machovič, V., Novotná, M., Medek, J.

“…For identification of the hydrated surface of a corrosion layer of ZrO 2 formed on Zr alloys in the environment simulated the environment of a nuclear reactor,…”
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The microporous phase of carbonaceous substances and its fractal dimension by Medek, J., Weishauptová, Z.

“…The microporous phase of carbonaceous materials is characterized by means of fractal dimension D, determined on the principle of the coverage of microporous…”
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Mechano-activation as Initiation of Self-ignition of Coal by Medek, J, Weishauptová, Z

“…A new theory of the self-ignition of coal was developed, based on the principle of the spontaneous disintegration of coal resulting from the effect of…”
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Erosion Wear of Axial Flow Impellersin a Solid-liquid Suspension by Fořt, I., Medek, J., Ambros, F.

“…A study was made of the erosion wear of the blades of pitched blade impellers in a suspension of waste gypsum from a thermal power station (vol. concentration…”
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Improvement, quality assurance and analytical results on the river Elbe contamination in the Czech Republic by Medek, J., Dol nek, P., Vil mec, J., Krupicka, S., Lochovsky, P., Vymazalov, E.

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Velocity profiles in a closed, unbaffled vessel: comparison between experimental LDV data and numerical CFD predictions by Armenante, Piero M., Luo, Changgen, Chou, Chun-Chiao, Fort, Ivan, Medek, Jaroslav

“…The velocity profiles and the turbulent kinetic energy distribution were obtained for the flow generated by a 6-blade, 45° pitched-blade turbine in an…”
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Bound forms of methane in the porous system of coal by Weishauptová, Zuzana, Medek, Jiří

“…The total quantity of methane present in a coal bed at temperatures above the critical temperature was divided into four basic forms of bonding: the part…”
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Effect of Coal Interaction with Oxygen on Its Ignition Temperature by Medek, Jiří, Weishauptová, Zuzana

“…Samples of lignite and bituminous coal were subjected to interaction with dry and moist oxygen. It has been found that within the low-temperature range used,…”
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Radium isotopes in river sediments of Czech Republic by Hanslík, Eduard, Kalinová, Eva, Brtvová, Martina, Ivanovová, Diana, Sedlářová, Barbora, Svobodová, Jitka, Jedináková-Křížová, Věra, Rieder, Mark, Medek, Jiří, Forejt, Karel, Vondrák, Ladislav, Jahn, Karel, Jusko, Jiří

“…In the Czech Republic, river bottom sediments have been systematically monitored since 1999. In the paper, their radioactive contamination due to uranium…”
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Radium isotopes in river sediments of Czech Republik by Kalinova,E, Brtova,M, Ivanovova,D, Sedlarova,B, Svobodova,J, Jedinakova-Krizova,V, Rieder,M, Medek,J, jet,K, Vondrak,L, Jahn,K, Jusko,J

“…In the Czech Republic, river bottom Sediments have been systematically monitored since 1999. In the paper, their radioactive contamination due to uranium…”
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Study of Wear of Pitched Blade Impellers by I. Fořt, F. Ambros, J. Medek

“…A study was made of the erosion of blades of pitched blade impellers in a suspension of solid particles in a liquid under a turbulent regime of flow of an…”
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Influence of chemical changes of the isotropic matrix on physical properties of mesophase pitch by Weishauptová, Zuzana, Medek, Jiří

“…The temperature dependence of average molecular mass and carbon content of the isotropic matrix prepared by heat treatment of coal tar pitch exhibits distinct…”
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Determination of the density of solids by means of a solid pycnometric substance by MEDEK, J, WEISHAUPTOVA, Z

“…A new method has been developed for determination of apparent density of porous powdered materials, which uses a suitable plastic solid substance as the…”
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Influence of high pressure on texture of carbonaceous substances by Medek, Jiří, Mohyla, Ivan

“…The texture changes of carbonaceous substances caused by high pressure (1 500 Mpa) have been studied by sorption of N 2 (at 78 K) and CO 2 (at 298 K) and by…”
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Liquid circulation in a cylindrical vessel with radial baffles and inclined blade impeller by FORT, I, HOSTALEK, M, MEDEK, J

“…Liquid circulation was studied in a cylindrical vessel with radial baffles under the turbulent flow regime of liquid agitated gradually with the following…”
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Determination of the porosity of urinary stones by Dubanský, A, Zich, M, Hejma, V, Weishauptová, Z, Medek, J

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Analysis Of Joint & Termination Failures On Extruded Dielectric Cables by ALLEN, R. W. JR, BURNUP, E. C. JR, MEDEK, J. D, MULLIGAN, J. A, SACKS, N. M, SCHNEIDER, G. W, WARD, R. A, WARNOCK, V. J, WHITE, C. A, COLE, W, ESSIG, R. N, FULCOMER, R. D, GEAR, R. B, GERHARD, S, HARRIS, W. R, HERVIG, H. C. JR, LAWSON, J. H

“…Instructions are presented in the proper methods of analyzing joint and termination failures on extruded dielectric cable. Causes of failure are discussed with…”
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