Zobrazují se záznamy 514-533 z 1904

    • DISTRIBUTION OF HYDRATION PRODUCTS IN THE MICROSTRUCTURE OF CEMENT PASTES 

      Autor: Hlobil, Michal
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      This case study focuses on the quantification of the amorphous hydrate distribution in the microstructure of hardened cement paste. Microtomographic scans of the hardenend cement paste were thresholded based on histogram ...
    • DLC/TI THIN FILMS PROPERTIES PREPARED BY HYBRID LASER TECHNOLOGIES 

      Autor: Mikšovský, Jan; Jelínek, Miroslav; Písařík, Petr; Kocourek, Tomáš; Remsa, Jan; Jurek, Karel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      Layers of diamond-like carbon are usable in many fields of industry as well as in medicine. Many scientific groups have worked with different types of deposition techniques to prepare DLC layers with improved or unique ...
    • Dny radiační ochrany (XL) 

      Autor: Štěpán, Václav
      (České vysoké učení technické v Praze, 2018)
    • Dny radiační ochrany (XLI) 

      Autor: Štěpán, Václav
      (České vysoké učení technické v Praze., 2019)
    • Dny radiační ochrany (XLII.) 

      Autor: Štěpán, Václav
      (České vysoké učení technické v Praze, 2021)
      Dny radiační ochrany jsou každoroční příležitostí pro setkávání českých a slovenských odborníků, zástupců státní správy a firem, pracujících v oblasti radiační ochrany. Konference pokrývá širokou škálu odborných témat z ...
    • Dny radiační ochrany (XXXVIII.) 

      Autor: Štěpán, Václav
      (České vysoké učení technické v Praze, 2016)
    • DO WE SEE THE ‘IRON PEAK’? 

      Autor: Erlykin, Anatoly D.; Wolfendale, Arnold W.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Recent measurements of the cosmic ray (CR) energy spectrum in the PeV region and above have confirmed the remarkable sharpness of the knee and revealed another structure at about 70PeV which we call the ‘Iron Peak’. The ...
    • DOMAINS OF RAILWAY TRAFFIC IN THE CZECH REPUBLIC, WHICH NEED THE SAFETY IMPROVEMENT 

      Autor: Procházková, Dana; Procházka, Jan; Kertis, Tomáš
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      The paper analyses the railway accidents sources in the Czech Republic on the basis of knowledge on complex system behaviour. It derives seven categories of sources of railway accidents. The individual categories include ...
    • Dowels effectiveness investigation between ultra high performance fiber reinforced concrete and reinforced concrete 

      Autor: Paschalis, Spyridon A.; Lampropoulos, Andreas P.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      In the present study, the performance of Reinforced Concrete (RC) beams which were strengthened with Ultra High Performance Fiber Reinforced Concrete (UHPFRC) and dowels at the interface was investigated. RC beams with a ...
    • DRYING CHARACTERISTIC OF RAMMED EARTH WITH ILLITIC-KAOLINITIC CLAY CONTENT 

      Autor: Otcovská, Tereza; Mužíková, Barbora; Padevět, Pavel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      Clay is a traditional construction material which has got to background with introduction of modern materials to building practice. There is no proper material available for clay constructions design due to lack of proper ...
    • Durability evaluation of surface softened steel bar for prestressed concrete 

      Autor: Iwanaga, Kengo; Mizoguchi, Shigeru; Matsumoto, Yu; Takai, Kenichi; Ichiba, Mikiyuki
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      The effects of Si addition and surface softening on delayed fracture susceptibility were evaluated in tempered martensitic steels with tensile strength of 1450 MPa. The delayed fracture susceptibility was reduced when Si ...
    • DURABILITY OF CONCRETE WITH BINDER BASED ON SULFOCALCIC FLY ASH 

      Autor: Šulc, Rostislav; Krása, Matouš; Formáček, Petr
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      This paper deals with the durability of concrete with binder based on sulfocalcic fly ash. At the beginning, in the theoretical part, there is a research on the frost resistance of concrete, its resistance to chemical thaw ...
    • Durability of GFRP connectors under sustained compression load for use in sandwich walls 

      Autor: Carstens, Stefan; Pahn, Matthias
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      Precast concrete sandwich panels are used to fulfil the rising thermal requirements. The sandwich walls consist of three layers, a facing, a thermal insulation layer, and a load bearing layer. The two outer layers are ...
    • Durability of high belite cement as new technical solution for concrete 

      Autor: Irico, Sara; Mutke, Sabine; Bertola, Federica; Gastaldi, Daniela; Capelli, Livio; Canonico, Fulvio
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      The study presents an investigation on the durability performance of concretes produced with an industrial scale high belite cement. This binder, thanks to the high amount of C-S-H gel and the lower C3S/C2S ratio, is ...
    • Durability of latent heat storage systems 

      Autor: Bantová, Sylva; Ostrý, Milan; Struhala, Karel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      Latent heat storage represents technology with significantly higher energy storage density. The thermal energy storage capacity of building structures and storage units integrated into building services contribute to the ...
    • DYNAMIC IMPACT WEAR AND IMPACT RESISTANCE OF W-B-C COATINGS 

      Autor: Daniel, Josef; Grossman, Jan; Buršíková, Vilma; Zábranský, Lukáš; Souček, Pavel; Mirzaei, Saeed; Vašina, Petr
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      Coated components used in industry are often exposed to repetitive dynamic impact load. The dynamic impact test is a suitable method for the study of thin protective coatings under such conditions. Aim of this paper is to ...
    • DYNAMIC SMART GRID COMMUNICATION PARAMETERS BASED COGNITIVE RADIO NETWORK 

      Autor: Haider Tarish, Haider; Muhsen Halboot, Dhiaa; Shahadi Ismael, Haider; See Hang, Ong; Elmenreich , Wilfried
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      The demand for more spectrums in a smart grid communication network is a significant challenge in originally scarce spectrum resources. Cognitive radio (CR) is a powerful technique for solving the spectrum scarcity problem ...
    • Dynamic tests of the culvert face within crashtests 

      Autor: Nouzovský, Luboš; Kohout, Tomáš; Vrtal, Pavel; Nováček, Jakub
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      Severity of a vehicle impact into solid obstacles alongside  the road can be annually illustrated through accident statistics. One example of such solid obstacles is drainage ditch culvert faces. Within the research ...
    • Dynamic tests of the protective and security barrier system probar 

      Autor: Vrtal, Pavel; Kohout, Tomáš; Nouzovský, Luboš; Svatý, Zdeněk
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      The purpose of this paper is to present a series of dynamic tests for testing the protective and security barrier of the PROBAR system, developed by STRIX Chomutov, a.s., according to the PAS 68:2013 standard. The goal of ...
    • Dynamics of apartment building renovation investment costs based on Estonian reovation grant scheme 

      Autor: Miller, Grete; Lihtmaa, Lauri; Kalamees, Targo
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      While energy prices have increased substantially recently, we also observe that renovation prices have increased twofold wihtin last decade. This could seriously affect the motivation to invest in building renovations ...