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Zobrazují se záznamy 1359-1378 z 1843

    • RADIATION DEGRADATION OF PCBS IN SEDIMENTS: COMPARISON OF TWO METHODS 

      Autor: Darážová, Ľubica; Šagátová, Andrea; Nečas, Vladimír; Fülöp, Marko; Han, Bumsoo
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)
      Polychlorinated biphenyls are toxic compounds which have accumulated in river sediments in Eastern Slovakia. Bioaccumulation could cause even cancer. Radiation degradation with electrons is new and perspective method to ...

    • RADIOACTIVE UHECR ASTRONOMY: CORRELATING GAMMA ANISOTROPY AND NEUTRINO PEV EVENTS 

      Autor: Fargion, Daniele
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      UHECR (Ultra High Energy Cosmic Rays) were expected to be protons, to fly straight and to suffer of a GZK (opacity on CMB radiation) cut off. AUGER did suggest on 2007 that such early UHECR anisotropy was compatible with ...

    • RAILTOPOMODEL AND RAILML 3 IN OVERALL CONTEXT 

      Autor: Hlubuček, Adam
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      This paper aims to provide a brief insight into the UIC RailTopomodel and railML initiative. Concerning the railML exchange format, mainly the current form of forthcoming third edition, involving especially the infrastructure ...

    • RAILWAY INFRASTRUCTURE CAPACITY MANAGEMENT FOR AD-HOC TRAINS ON THE SŽDC NETWORK 

      Autor: Nachtigall, Petr; Škárek, Martin
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)
      The paper describes basic principles of ad-hoc routes assignment. Each carrier has its own interface called information system KADR with SŽDC for capacity requests management. The paper describes all steps which must be ...

    • Railway reinforced concrete infrastructure life management and sustainability index 

      Autor: Lajevardi, Seyed Mohammad Sadegh; Lourenço, Paulo B.; Sousa, Hélder S.; Matos, José C.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      Infrastructure healthy enhancement for saving resources in operation procedures is one of the most important objectives for owners on their decision support system based on cost management. In this manner, finding the ...

    • Railway superstructure for high-speed rails 

      Autor: Týfa, Lukáš; Kruntorád, Jan; Tomaschko, Ondřej
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      The construction of the track is solved as a conventional (with track ballast) or as a ballastless track (without track ballast). When deciding on the choice of the most suitable track design for high-speed rail, it is ...

    • Railway track deflection analysis by using evolutionary algorithms 

      Autor: Kulich, Pavel; Plášek, Otto
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      In contrast to numerical methods, analytical modelling of the railway track is one of the less time-consuming and computationally demanding methods which, in combination with the computing power commonly available today, ...

    • RAILWAY TRAFFIC OPTIMIZATION 

      Autor: Kamenický, Dušan; Brandejský, Tomáš; Fábera, Vít; Gopak, Valerii
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      The article focuses on analysis of possibilities of operatic control of railway traffic and its automatization and its support by information systems. Conditions, necessary pieces of input information like infrastructure ...

    • RAPID VISUALIZATION OF THE MASS DISTRIBUTION PROFILE OF ELECTROSPUN LAYERS 

      Autor: Pokorný , Marek
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      Nanofibrous materials are currently widely used in many different areas. One of the technologies commonly used for their production is electrospinning. The mass distribution in a produced nanofibrous layer is a crucial ...

    • Rational and sustainable procedure in the design of bridges using pre-stressed concrete beams a theoretical practical method 

      Autor: Xochicale Cortés, Abel Noé
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      Currently there is not a direct procedure for the design of this bridge system, the procedure is still based on trial and error, there are no studies that give us both the optimum number of beams and other characteristics ...

    • Rational extension of many particle systems 

      Autor: Mandal, Bhabani Prasad
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      In this talk, we briefly review the rational extension of many particle systems, and is based on a couple of our recent works. In the first model, the rational extension of the truncated Calogero-Sutherland (TCS) model is ...

    • RATIONALLY EXTENDED SHAPE INVARIANT POTENTIALS IN ARBITRARY D DIMENSIONS ASSOCIATED WITH EXCEPTIONAL Xm POLYNOMIALS 

      Autor: Yadav Kumar, Rajesh; Kumari , Nisha; Khare , Avinash; Mandal Prasad, Bhabani
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      Rationally extended shape invariant potentials in arbitrary D-dimensions are obtained by using point canonical transformation (PCT) method. The bound-state solutions of these exactly solvable potentials can be written in ...

    • RC deck - stiffened arch existing bridges: simulated design and structural analysis 

      Autor: Crisci, Giovanni; Ceroni, Francesca; Lignola, Gian Piero; Prota, Andrea
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      The 20th century is known as the age that gave birth to the largest reinforced concrete structures. Many applications of this new material were realized at that time, both from a theoretical and practical point of view. ...

    • Reactor criticals and spent fuel systems similarities 

      Autor: Šikl, Matěj
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      Many conservative assumptions for subcriticality assessment calculations have to be made in current calculations of spent fuel storage systems. This is due to a fact that there is no available database of benchmarks ...

    • REAL STRUCTURE AND RESIDUAL STRESSES IN ADVANCED WELDS DETERMINED BY X-RAY AND NEUTRON DIFFRACTION 

      Autor: Trojan, Karel; Hervoches, Charles; Kolařík, Kamil; Ganev, Nikolaj; Mikula, Pavol; Čapek, Jiří
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      The paper outlines the capability of X-ray diffraction (XRD) for evaluation of real structure changes and residual stresses (RS) on cross-section of advanced thick welds due to the welding of ferromagnetic plates. The ...

    • RECENT ADVANCES IN SIMULATING LANDSLIDE AND DEBRIS FLOW 

      Autor: Wu, Wei
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      This paper summarizes the outcome of a research project funded by the European Commission on the simulation of landslide and debris flow. The numerical techniques adopted include the mesh-based method (FEM), the point-based ...

    • RECENT DEVELOPMENTS IN ULTRA-HIGH ENERGY NEUTRINO ASTRONOMY 

      Autor: Grieder, Peter K. F.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      We outline the current situation in ultrahigh energy (UHE) cosmic ray physics, pointing out the remaining problems, in particular the puzzle concerning the origin of the primary radiation and the role of neutrino astronomy ...

    • Recent Results from the SAFIR Project 

      Autor: Sánchez-Portal, M.; Castillo-Fraile, M.; Almeida, C. Ramos; Esquej, P.; Alonso-Herrero, A.; Pérez García, A. M.; Acosta-Pulido, J.; Altieri, B.; Bongiovanni, A.; Castro Céron, J. M.; Cepa, J.; Coia, D.; Conversi, L.; Fritz, J.; Gonzalez-Serrano, J. I.; Hatziminaoglou, E.; Povic, M.; Rodrguez Espinosa, J. M.; Valtchanov, I.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      The "Seyfert and star formation Activity in the Far-Infrared" (SAFIR) project is aimed at studying the physical nature of the nuclear IR emission and star formation properties of a small sample of nearby Seyfert galaxies ...

    • Recommended procedure for headroom design according to geometric parameters of building structures 

      Autor: Veselá, Linda
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      The system of Czech technical standards for geometric accuracy assumes that the designer determines the functional geometric parameters for a specific building. By calculation, he verifies them in the so-called “geometric ...

    • RECONNAISSANCE MICRO UAV SYSTEM 

      Autor: Gabrlik, Petr; Kriz, Vlastimil; Zalud, Ludek
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      This paper describes the design and implementation of the Uranus UAV. This quad-rotor flying robot was created to extend the abilities of the hitherto developed with airborne missions. The first part deals with the ...