Browsing Ústřední knihovna ČVUT by Title

Now showing items 1008-1027 of 2019

    • LAPLACE-RUNGE-LENZ VECTOR IN QUANTUM MECHANICS IN NONCOMMUTATIVE SPACE 

      Author: Prešnajder , Peter; Gáliková , Veronika; Kováčik , Samuel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      The object under scrutiny is the dynamical symmetry connected with conservation of the Laplace-Runge-Lenz vector (LRL) in the hydrogen atom problem solved by means of noncommutative quantum mechanics (NCQM). The considered ...

    • LARGE AREA HODOSCOPES FOR MUON DIAGNOSTICS OF HELIOSPHERE AND EARTH’S MAGNETOSPHERE 

      Author: Yashin, I. I.; Ampilogov, N. V.; Astapov, I.I.; Barbashina, N.S.; Borog, V.V.; Dmitrieva, A.N.; Kokoulin, R.P.; Kompaniets, K.G.; Mannocchi, G.; Mikhailenko, A.S.; Petrukhin, A.A.; Saavedra, O.; Shutenko, V.V.; Trinchero, G.; Yakovleva, E.I.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Muon diagnostics is a technique for remote monitoring of active processes in the heliosphere and the magnetosphere of the Earth based on the analysis of angular variations of muon flux simultaneously detected from all ...

    • Laser Cutting of Materials of Various Thicknesses 

      Author: Grepl , Martin; Pagáč , Marek; Petrů , Jana
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      Thise paper deals with the application of laser technology and optimizing the parameters for cutting nickel alloy. The theoretical part of the paper describes various types of lasers, their principles and usage. The ...

    • LASER ULTRASONIC MEASUREMENT OF MECHANICAL DECAY IN LIMESTONE CAUSED BY FREEZE-THAW CYCLES 

      Author: Kravcov , Alexander; Franek , Ondřej; Morozov , Nikolaj; Kucewicz , Michał; Tomaszewski , Michał; Svoboda , Pavel; Baranowski , Paweł
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      In this article, an innovative new method of non-destructive testing for estimating the sensitivity of limestone is presented. An advantage of the laser ultrasonic structuroscopy method is the time and the quality, due to ...

    • LASER-INDUCED SURFACE ACOUSTIC WAVES FOR THIN FILM CHARACTERIZATION 

      Author: Kudělka, Radim; Václavek, Lukáš; Tomáštík, Jan; Malecová, Sabina; Čtvrtlík, Radim
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      Knowledge of mechanical properties of thin films is essential for most of their applications. However, their determination can be problematic for very thin films. LAW (Laser-induced acoustic waves) is a combined acousto-optic ...

    • LATERAL COOLANT FLOW BETWEEN FUEL ASSEMBLIES IN MIXED CORES 

      Author: Caha, Vojtech; Čížek, Jiří
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      This paper presents the results of an analysis of lateral coolant flow between adjacent fuel assemblies with non-identical spacing grids in a mixed core consisting of TVSA-T mod.1 and TVSA-T mod.2 fuel assemblies. The ...

    • Lateral load bearing characteristics of light gauge steel and lightweight concrete shear walls 

      Author: Quan, Chunri; Huang, Qiang; Li, Dongbin; Chen, Yong
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      In China, there is a new structural system named light gauge steel and lightweight concrete (LSLC) structure, which used lightweight concrete as structural material in composite way with cold-formed steel. Here, the shear ...

    • Latest Results from the Fermi Gamma-Ray Telescope 

      Author: Morselli, Aldo
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      Can we learn about New Physics with astronomical and astro-particle data? Since its launch in 2008, the Large Area Telescope, onboard of the Fermi Gamma-ray Space Telescope, has detected the largest amount of gamma rays ...

    • LEAD-TIME, INVENTORY, AND SAFETY STOCK CALCULATION IN JOB-SHOP MANUFACTURING 

      Author: Sellitto Afonso, Miguel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      The purpose of this article is to present a method for calculating the lead-time, the inventory, and the safety stock or buffer in job shop manufacturing, which are essentially stochastic variables. The research method is ...

    • Length of transfer time between connecting trains – is there an ideal value? 

      Author: Froněk, Jan; Chlumecký, Jaroslav; Vymětal, Daniel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      Quality public transport is an essential part of global mobility. In general, there is an effort to ensure that as many transport users as possible use public transport. The public transport subsystems also include rail ...

    • Les édifices antiques de Rome 

      Author: Desgodetz, A.
      (Sediane ?, 1779)

    • LEVEL CROSSING SAFETY IN THE CZECH REPUBLIC 

      Author: Kobosil, Martin; Novák, Jan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      This paper describes safety threats at level crossings according to the different type of security equipment. Initially were explored statistical data, which consist of numbers of level crossings classified by crossing ...

    • Level of service of public transport operation - pilot study 

      Author: Jirmanová, Markéta; Novotný, Vojtěch; Dousková, Nikol
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      Smart transport planning based on the use of available data while supporting sustainable transport modes is an integral part of the Smart city concept. This article presents a critical analysis of the Level of Service of ...

    • LHC, Astrophysics and Cosmology 

      Author: Auriemma, Giulio
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      In this paper we discuss the impact on cosmology of recent results obtained by the LHC (Large Hadron Collider) experiments in the 2011-2012 runs, respectively at √s = 7 and 8 TeV. The capital achievement of LHC in this ...

    • Libro d°Antonio Labacco Appartenente a l'architettura nel qual si figurano alcune notabili atiqiutadi Roma. 

      Author: Labacco, Antonio
      (1558)

    • LIE ALGEBRA REPRESENTATIONS AND RIGGED HILBERT SPACES: THE SO(2) CASE 

      Author: Celeghini , Enrico; Gadella , Manuel; del Olmo A, Mariano
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      It is well known that related with the irreducible representations of the Lie group SO(2) we find a discrete basis as well a continuous one. In this paper we revisited this situation under the light of  Rigged Hilbert ...

    • LIE GROUPS AND NUMERICAL SOLUTIONS OF DIFFERENTIAL EQUATIONS: INVARIANT DISCRETIZATION VERSUS DIFFERENTIAL APPROXIMATION 

      Author: Levi , Decio; Winternitz , Pavel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      We briefly review two different methods of applying Lie group theory in the numerical solution of ordinary differential equations. On specific examples we show how the symmetry preserving discretization provides difference ...

    • Life After Eruption: Best of 2009–2013 

      Author: Tappert, C.; Ederoclite, A.; Schmidtobreick, L.; Vogt, N.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      From our ongoing survey to study the post-nova population we present details on the four objects V728 Sco, AR Cir, V972 Oph and X Cir.

    • Life cycle assessment of carbon concrete composites: a circular economy path beyond climate mitigation? 

      Author: Scope, Christoph; Guenther, Edeltraud; Mielecke, Torsten; Schuetz, Julia; Muendecke, Eric; Schultze, Konstantin
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      Sustainable construction and materials play an ever-important role to stay within our planetary boundaries. In support, innovative carbon concrete composites (CCC) promise significant raw material savings by integral design. ...

    • Life cycle management of concrete structures based on sustainability indicators 

      Author: Yokota, Hiroshi; Nagai, Kohei; Sakai, Koji
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      A concrete structure should be sufficiently planned, designed, executed and maintained to ensure its requirements during the life cycle. However, structures suffering from serious deterioration in structural members and ...