• How Reliable is the Durability of RC Structures? 

    Teplý, Břetislav; Rovnaník, Pavel; Keršner, Zbyněk; Rovnaníková, Pavla (Czech Technical University in Prague, 2004-12-01)
    The goal of this paper is to show some trends and time profiles of the reliability index relevant to the Serviceability Limit State considering the design service life of RC structures.
  • New Hydrodynamic Electrochemical Arrangement for Cadmium Ions Detection Using Thick-Film Chemical Sensor Electrodes 

    Prášek, Jan; Adámek, Martin; Hubálek, Jaromír; Adam, Vojtěch; Trnková, Libuše; Kizek, René (MDPI, 2006-11-06)
    Miniaturization and integration of chemical devices into modules that are dimensionally comparable with electronic chips (Lab on Chip) is nowadays developing worldwide. The aim of our work was to suggest and optimize the ...
  • Detailed balance in reaction kinetics - consequence of mass conservation? 

    Pekař, Miloslav (Springer-Verlag, 2007-01-01)
    Detailed balance condition for triangular isomerisation mechanism is derived from the more general permanence of atoms, consequently, it should be viewed as a special equilibrium result of mass conservation.
  • Vertical Distribution of Air Temperatures in Heated Dwelling Rooms 

    Šikula, Ondřej (FINVAC - The Finnish Association of HVAC, 2007-07-13)
    The paper presents an experimental and theoretic research on one of factors influencing the indoor climate in dwelling rooms heated by heating systems, the vertical distribution of temperatures. The paper summarizes results ...
  • Spectrometric and Voltammetric Analysis of Urease: Nickel Nanoelectrode as an Electrochemical Sensor 

    Hubálek, Jaromír; Klosová, Kateřina; Adámek, Martin (MDPI, 2007-07-16)
    Urease is the enzyme catalyzing the hydrolysis of urea into carbon dioxide and ammonia. This enzyme is substrate-specific, which means that the enzyme catalyzes the hydrolysis of urea only. This feature is a basic diagnostic ...
  • Fracture mechanics parameters of multilayer pipes 

    Malíková, Lucie; Náhlík, Luboš; Hutař, Pavel; Knésl, Zdeněk (University of West Bohemia, 2007-10-19)
    Multilayer pipes consisting of different materials are frequently used in praxis because of partial improvement of the properties of pipe systems. To estimate lifetime of these pipes the basic fracture parameters have to ...
  • Sintering Densification Curve - a Practical Approach For Its Construction From Dilatometric Shrinkage Data 

    Maca, Karel; Pouchlý, Václav; Boccaccini, Aldo (International Institute for the Science of Sintering, 2008-01-01)
    This article summarizes the usage of high-temperature dilatometry in ceramic processing and powder technology with special attention on the description of the sintering process. A practical method for transformation of ...
  • Videokonferenční technologie v praxi - Vidět a slyšet na dálku 

    Oujezský, Václav (Thomas Taylor s.r.o., 2008-01-20)
    Článek podrobně rozebírá problematiku videokonferenční technologie. Vysvětluje jednotlivé základní části použitých zařízení a skupin protokolů. V konečné části poskytuje přehled hardwarové a softwarové implementace ...
  • Aggregation behavior of novel hyaluronan derivatives-a fluorescence probe study 

    Mravec, Filip; Pekař, Miloslav; Velebný, Vladimír (Springer-Verlag, 2008-11-01)
    Aggregation properties of hydrophobized hyaluronan (hHA) in different molecular weights and degree of substitution were studied by pyrene and perylene fluorescence method. The critical aggregation concentration (cac) was ...
  • Fluoride Anion Binding by Natural Lignite (South Moravian Deposit of Vienna Basin) 

    Pekař, Miloslav (Springer-Verlag, 2009-01-01)
    Natural lignite from South Moravia was tested for the sorption of fluoride anion in concentration range from 0.05 to 0.8 mmol/l. The lignite removes majority of fluorides and only about 13% of sorption is reversible upon ...
  • Crack propagation in the vicinity of the interface in layered materials 

    Malíková, Lucie; Náhlík, Luboš; Hutař, Pavel; Knésl, Zdeněk (University of West Bohemia, 2009-01-04)
    Paper deals with the problem of crack propagation in the vicinity of the interface in layered materials. Layered materials are often used in practice, primarily because of their better mechanical properties in comparison ...
  • A Novel Current-Mode SIMO Type Universal Filter Using CFTAs 

    Herencsár, Norbert; Koton, Jaroslav; Vrba, Kamil; Mišurec, Jiří (Hikari Ltd., 2009-02-01)
    In this paper a new active element for the realization of current-mode analog blocks Current Follower Transconductance Amplifier (CFTA) is presented. The element is a combination of the Current Follower (CF) and the Balanced ...
  • Glass fibre reinforced cement based composite: fatigue and fracture parameters 

    Seitl, Stanislav; Keršner, Zbyněk; Bílek, Vlastimil; Knésl, Zdeněk (2009-06-15)
    This paper introduces the basic fracture mechanics parameters of advanced building material - glass fibres reinforced cement based composite and its fracture and fatigue behaviour is investigated. To this aim three-point ...
  • Electronically adjustable mixed-mode implementations of the jerk functions 

    Petržela, Jiří; Šotner, Roman; Slezák, Josef (Hikari Ltd., 2009-06-22)
    In this paper the several structures of the third-order nonlinear oscillator with electronically adjustable parameters are presented. A brief numerical analysis including the computation of the largest Lyapunov exponent ...
  • Modification of working electrode surface with carbon nanotubes as an electrochemical sensor for estimation of melting points of DNA 

    Hubálek, Jaromír; Prášek, Jan; Húska, Dalibor; Adámek, Martin; Adam, Vojtěch; Trnková, Libuše; Kizek, René (Elsevier BV, 2009-09-06)
    Screen-printed with three electrode system was used in this study. A working electrode has been printed from carbon nanotubes based paste on silver layer modified with nano-patterned structures for the first case. In the ...
  • Current-Mode Circuits Based on SIMO OTA: Review and New Applications in Filters 

    Dostál, Tomáš; Šotner, Roman; Slezák, Josef (Hikari, 2009-11-06)
    The paper deals with design of low-order RC filters working in current mode (CM). As the basic building blocks, transconductors (OTA) with single input and multiple outputs are used. One-loop, two-loop and multi-loop ...
  • Macroscopic derivation of the kinetic mass-action law 

    Pekař, Miloslav (Springer-Verlag, 2010-01-01)
    Using several reaction examples with experimentally determined rate equations, traditional mass action rate equations are shown to be simplified forms of polynomial approximation to a general rate function derived by ...
  • New voltage-mode universal filter and sinusoidal oscillator using only single DBTA 

    Herencsár, Norbert; Koton, Jaroslav; Vrba, Kamil; Lattenberg, Ivo (Taylor & Francis, 2010-04-01)
    In this article, a new voltage-mode second-order universal frequency filter and sinusoidal oscillator using only single differential-input buffered and transconductance amplifier (DBTA) is presented. The proposed voltage-mode ...
  • Master Sintering Curve - A Practical Approach to its Construction 

    Pouchlý, Václav; Maca, Karel (International Institute for the Science of Sintering, 2010-04-01)
    A practical method for the construction of MSC is presented in the paper. With the help of a few dilatometric sintering experiments the newly developed software calculates MSC and finds the optimal activation energy of a ...
  • Influence of Periodic Freezing on the Value of the Elastic Modulus of the Light-weight Fibre Concrete 

    Pospíchal, Ondřej; Kucharczyková, Barbara; Misák, Petr; Hlaváč, Zbyněk; Vymazal, Tomáš (Ministry of Transport, 2010-04-14)
    This paper deals with the influence of periodic freezing on light-weight concrete characteristics. Three differential sets of light-weight concrete specimens were periodically freezing and non-destructively testing during ...