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2,569 publications, page 1 of 257
(CSV)
  • Article English OPEN
    Vontorová, Jiřina; Váňová, Petra;
    (2018)
    The aim of this paper is to consider the possibility of using Glow Discharge Optical Emission Spectroscopy (GDOES) for determination of carburized layer thickness. Carburized layer increases the hardness of basic material (low carbon steels with carbon content of 0.2%),...
  • Article English OPEN
    Zapletal, Pavel; Koudelková, Jaroslava; Zubíček, Václav; Král', Tomáš; Mokrošová, Andrea;
    (2018)
    The further development of coal mining in different countries and in India is connected with many problems. The emission of gas, sudden outbursts of gas and coal, mine fires, dustiness, spontaneous combustion, methane concentration are very serious problems. This articl...
  • Article English OPEN
    Chochol, Jan; Postava, Kamil; Čada, Michael; Vanwolleghem, Mathias; Mičica, Martin; Halagačka, Lukáš; Lampin, Jean-François; Pištora, Jaromír;
    (2017)
    Background: In this article, III-V semiconductors are proposed as materials for far-infrared and terahertz plasmonic applications. We suggest criteria to estimate appropriate spectral range for each material including tuning by fine doping and magnetic field. Metho...
  • Article English OPEN
    Kotas, Petr; Praks, Pavel; Válek, Ladislav; Zejkovic, Vesna; Vondrák, Vít;
    (2012)
    The aim of the research is the development and testing of new methods to classify the quality of metallographic samples of steels with high added value, for example, grades X70 according API. In this paper, we address the development of methods to classify t...
  • Article English OPEN
    Dvořáček, Jaroslav; Sousedíková, Radmila; Barták, Pavel; Štěrba, Jiří; Zapletalová, Radmila;
    (2011)
    Business profits are controlled by natural and technological parameters, besides human factors, and these vary from industry to industry. This study investigates the natural factors that influence the profitability of the quarries used for extraction of raw materials fo...
  • Article English OPEN
    Klouda, Petr; Moni, Vlastimil; Řehoř, Michal; Blata, Jan; Helebrant, František;
    (2018)
    The article is a summary of information about evaluation of a risk degree for a brown coal spontaneous ignition which is realized on the base of a database analysis of information about the development of stative quantities and desorbated gases in the stored bodies of t...
  • Article Czech OPEN
    Valecký, Jiří;
    (2010)
    The aim of the paper is to perform an analysis and compare the accuracy of a benchmark replication using various replication methods of Tracking Error methodology. On the historical data and under the existence of the proportional transactions costs, we verify the...
  • Article English OPEN
    Krasl, Milan; Pechánek, R.; Vlk, R.;
    (2008)
    This paper deals with comparing 3 types of transformers - superconducting, oil-immersed and middle-frequency. These transformers can be used for locomotive as the main transformer. Weight, sizes and losses are introduced. The influence of eddy currents is describe...
  • Article English OPEN
    Kušnerová, Milena; Foldyna, Josef; Sitek, Libor; Valíček, Jan; Hloch, Sergej; Harničárová, Marta; Kadnár, Milan;
    (2012)
    The paper examines an analytical model of modulated pulses of a high-speed waterjet with a base frequency for waterjet technology. It required laboratory measurements of fundamental oscillations frequency, its prediction and verification. A hydrodynamic system genera...
  • Article Slovak OPEN
    Žiačik, Peter; Wieser, Vladimír;
    (2005)
    In this article there is the description Kalman filter using as a radio channel state predictor. Simulator of prediction has been created in MATLAB environment and it is capable to simulate the prediction of radio signal envelope by Clark’s model of radio channel, ...
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(CSV)