Zobrazují se záznamy 440-459 z 2019

    • DAMA RESULTS: DARK MATTER IN THE GALACTIC HALO 

      Autor: Bernabei, R.; Belli, P.; Cappella, F.; Caracciolo, V.; Cerulli, R.; Dai, C. J.; d’Angelo, A.; Di Marco, A.; He, H. L.; Incicchitti, A.; Ma, X. H.; Montecchia, F.; Sheng, X. D.; Wang, R. G.; Ye, Z. P.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Experimental efforts and theoretical developmens support that most of the Universe is Dark and a large fraction of it should be made of relic particles; many possibilities are open on their nature and interaction types. ...
    • DANGEROUS DRIVER’S BEHAVIOR 

      Autor: Topol, Libor; Drahotský, Ivo
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      Different types of dangerous driver’s behavior are discussed in this paper. Case study analysis of young drivers’ hazardous behavior is also provided from authors’ practices. The practical research is collaborated with the ...
    • DARK ENERGY AND KEY PHYSICAL PARAMETERS OF CLUSTERS OF GALAXIES 

      Autor: Bisnovatyi-Kogan, Gennady S.; Chernin, Artur; Merafina, Marco
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      We study physics of clusters of galaxies embedded in the cosmic dark energy background. The equilibrium and stability of polytropic spheres with equation of state of the matter             P = Kpγ, γ = 1 + 1/n, in presence ...
    • Das Viert Buch Vitruuis. - Das Fünfft Buch Vitruuis. 

      Autor: Vitruvius, Marcus
      (1800)
    • Data Analysis of Globular Cluster Harris Catalogue in View of the King Models and Their Dynamical Evolution. I. Theoretical model 

      Autor: Merafina, Marco; Vitantoni, Daniele
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      We discuss the possibility to analyze the problem of gravothermal catastrophe in a new way, by obtaining thermodynamical equations to apply to a selfgravitating system. By using the King distribution function in the framework ...
    • Data Analysis of Globular Cluster Harris Catalogue in View of the King Models and Their Dynamical Evolution. II. Observational Evidences 

      Autor: Merafina, Marco; Vitantoni, Daniele
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      We summarize some observational comparison concerning the features of globular clusters (GCs) population in connection to the evolution of King models. We also make a comparison with some extragalactic GCs systems, in order ...
    • DATABASE FINLIV – FOCUS ON STAIRCASE METHOD 

      Autor: Lutovinov, Maxim; Papuga, Jan; Růžička, Milan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)
      This paper introduces FinLiv database focused on gathering, manipulating and providing experimental static and fatigue data. One of its new features is the ability to include also fatigue tests realized by the staircase method.
    • DEBRIS-FRETTING TEST OF COATED AND UNCOATED ZR-1%NB CLADDING 

      Autor: Kopeć, Marcin; Malá, Martina; Cvrček, Ladislav; Krejčí, Jakub
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      Debris fretting is one of the most significant fuel rod failure causes. An approach to mitigate this is to apply special coatings on the surface of the cladding that are supposed to increase the wear resistance. This paper ...
    • DECENTRALIZED MULTI-ROBOT PLANNING TO EXPLORE AND PERCEIVE 

      Autor: Matignon , Laetitia; Jeanpierre , Laurent; Mouaddib , Abdel-Illah
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      In a recent French robotic contest, the objective was to develop a multi-robot system able to autonomously map and explore an unknown area while also detecting and localizing objects. As a participant in this challenge, ...
    • Decision-support tool for prioritizing retrofitting actions on Social Housing stock in Italy 

      Autor: Gaspari, Jacopo; Antonini, Ernesto; Marchi, Lia
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      Housing is the main environmental impact generator (62 %) of the whole building sector, but it also has the greatest reduction potential. Enhancing its performance is thus crucial to sustainable development. Social Housing ...
    • DEFLECTIONS AND FREQUENCY ANALYSIS IN THE MILLING OF THIN-WALLED PARTS WITH VARIABLE LOW STIFFNESS 

      Autor: Kononenko , Serhii; Dobrotvorskiy , Sergey; Basova , Yevheniia; Gasanov , Magomediemin; Dobrovolska , Ludmila
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      The disadvantage of the geometry of thin-walled parts, in terms of processing, is the low ability to resist static and dynamic loads. It is caused by the elastic deformation of elements with a low stiffness. Modelling ...
    • DEFORMATION ANALYSIS OF LAYERED REINFORCED CONCRETE - FOAM CONCRETE FLOOR SLABS 

      Autor: Lytvyniak , Oksana
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      This article presents a theoretical study of a stress-strain state of layered reinforced concrete - foam concrete floor slabs (hereinafter called as the LRFCS), with the use of a deformation analysis. Compressive and tensile ...
    • DEFORMATION BEHAVIOUR OF GELLAN GUM BASED ARTIFICIAL BONE STRUCTURES UNDER SIMULATED PHYSIOLOGICAL CONDITIONS 

      Autor: Krčmářová, Nela; Šleichrt, Jan; Fíla, Tomáš; Koudelka, Petr; Kytýř, Daniel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      The paper deals with investigation of deformation behaviour of gellan gum (GG) based structures prepared for regenerative medicine purposes. Investigated material was synthesized as porous spongy-like scaffold reinforced ...
    • DEFORMATION CHARACTERISTICS OF CHOPPED FIBRE COMPOSITES SUBJECTED TO QUASI-STATIC TENSILE LOADING 

      Autor: Šleichrt, Jan; Adorna, Marcel; Neühauserová, Michaela; Fenclová, Nela; Petráňová, Veronika
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)
      This work presents deformation behaviour of cost effective chopped fiber composites. Use of chopped fibre is advantageous for manufacturing however complex shape parts production technology could be challenging. Batches ...
    • DEFORMATION OF FE3SI SINGLE-CRYSTALS UNDER NANOINDENTATION 

      Autor: Čech, Jaroslav; Haušild, Petr; Materna, Aleš
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      Knowledge of the complex deformation behavior in the anisotropic materials is one of essential issues in materials science and it is crucial for the applications of a given material. In this study, mechanical response of ...
    • DEFORMATION RESPONSE OF GELLAN GUM BASED BONE SCAFFOLD SUBJECTED TO UNIAXIAL QUASI-STATIC LOADING 

      Autor: Kytyr , Daniel; Krčmářová , Nela; Šleichrt , Jan; Fíla , Tomáš; Koudelka , Petr; Gantar , Ana; Novak , Sasa
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      This study is focuses on an investigation of the reinforcement effect of the bioactive glass nano-particles in the gellan gum (GG) scaffolds used in bone tissue engineering. The investigated material was synthesized as the ...
    • DEFORMATION RESPONSE OF POLYDIMETHYLSILOXANE SUBSTRATES SUBJECTED TO UNIAXIAL QUASI-STATIC LOADING 

      Autor: Vinarský, Vladimír; Martino, Fabiana; Forte, Giancarlo; Šleichrt, Jan; Rada, Václav; Kytýř, Daniel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      To investigate cellular response of cardiomyocytes to substrate mechanics, biocompatible material with stiffness in physiological range is needed. PDMS based material is used for construction of microfluidic organ on chip ...
    • Degradation of 600V GaN HEMTs under Repetitive Short Circuit Conditions 

      Autor: Kozárik, J.; Marek, J.; Minárik, M.; Chvála, A.; Debnár, T.; Donoval, M.; Stuchlíková, Ľ.
      (České vysoké učení technické v Praze. České centrum IET, 2021)
      This paper descirbes impact of repetitive short-circuit stress on commercially available 600V e-mode GaN HEMTs with p-GaN gate. The devices were subjected to up to 105 short circuit stress cycles at 100V and ...
    • Degradation of Cr-coated cladding under the simulated Loss-of-Coolant Accident phenomena 

      Autor: Červenka, Petr; Krejčí, Jakub; Cvrček, Ladislav; Manoch, František; Chalupová, Adéla; Halodová, Patricie; Gávelová, Petra
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      The present study focuses on the evaluation of the mechanical properties degradation of Cr-coated Zr-alloy fuel cladding. The main objective of the work is to find a suitable methodology to evaluate the mechanical properties ...
    • DEGRADATION OF POWER SIC MOSFET Under REPETITIVE UIS and SHORT CIRCUIT STRESS 

      Autor: Marek, J.; Kozárik, J.; Chvála, A.; Minárik, M.; Stuchlíková, Ľ.
      (České vysoké učení technické v Praze. České centrum IET, 2021)
      This paper investigates the reliability of commercial planar and trench 1.2-kV 4H-SiC MOFSETs under repetitive unclamped inductive switching (UIS) and short circuit (SC) stresses. The degradation of device characteristics, ...