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Zobrazují se záznamy 673-692 z 1843

    • FABRICATION OF Mg-Zn-Al HYDROTALCITE AND ITS APPLICATION FOR Pb<sup>2+</sup> REMOVAL 

      Autor: Heraldy , Eddy; Rahmawati , Fitria; Ardiyanti , Dwi; Nurmawanti , Ika
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      The fabrication of Mg-Zn-Al Hydrotalcite (HT) was carried out by the co-precipitation method at various molar ratios. The Mg-Zn-Al HT compound at the optimum molar ratio was then calcined to determine the effect of calcination ...

    • FACT — LONGTERM MONITORING OF BRIGHT TeV BLAZARS 

      Autor: Meier , Katja; Biland , A.; Bretz , T.; Buss , J.; Dorner , D.; Einecke , S.; Eisenacher , D.; Hildebrand , D.; Knoetig L., M.; Krähenbühl , T.; Lustermann , W.; Mannheim , K.; Neise , D.; Overkemping , A.-K.; Paravac , A.; Pauss , F.; Rhode , W.; Ribordy , M.; Steinbring , T.; Temme , F.; Thaele , J.; Vogler , P.; Walter , R.; Weitzel , Q.; Zänglein , M.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      The First G-APD Cherenkov Telescope (FACT), located on the Canary Island of La Palma, has been taking data since October 2011. FACT has been optimized for longterm monitoring of bright TeV blazars, to study their variability ...

    • FACT — STATUS AND FIRST RESULTS 

      Autor: Dorner , Daniela; Biland , A.; Bretz , T.; Buss , J.; Einecke , S.; Eisenacher , D.; Hildebrand , D.; Knoetig L., M.; Krähenbühl , T.; Lustermann , W.; Mannheim , K.; Meier , K.; Neise , D.; Overkemping , A.-K.; Paravac , A.; Pauss , F.; Rhode , W.; Ribordy , M.; Steinbring , T.; Temme , F.; Thaele , J.; Vogler , P.; Walter , R.; Weitzel , Q.; Zänglein , M.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      FACT is the first imaging Cherenkov telescope based on a camera using solid state photosensors (Geigermode Avalanche Photodiodes G-APD aka SiPM). Since October 2011, it has been taking data regularly. Apart from commissioning ...

    • FACTOR AND PALINDROMIC COMPLEXITY OF THUE-MORSE’S AVATARS 

      Autor: Frougny , Christiane; Klouda , Karel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Two infinite words that are connected with some significant univoque numbers are studied. It is shown that their factor and palindromic complexities almost coincide with the factor and palindromic complexities of the famous ...

    • FACTORS INFLUENCING THE FEE FOR USE OF THE RAILWAY INFRASTRUCTURE 

      Autor: Novák, Petr; Cempírek, Václav
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      It is necessary to update the current system of levying charges for railway infrastructure to reflect the current market situation, to take into account the new transport strategy established by the European Union, and to ...

    • Fake face detection based on a multi discriminator deep CNN architecture (MDD-CNN) 

      Autor: Bencheriet, Chemesse Ennehar; Abdelmoumène, Hiba; Sebbagh, Abdennour; Yahiyaoui, Abdennour; Taba, Zahra
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      Due to the robustness of the deep learning tools used to design these applications, fakes are becoming increasingly common as these applications become more widely available and accessible to the general public. These fakes ...

    • Fast continuous in-situ XCT of additively manufactured carbon fiber reinforced tensile test specimens 

      Autor: Glinz, Jonathan; Maurer, Julia; Holzleitner, Martin; Pace, Francesco; Stamopoulos, Antonios; Vopálenský, Michal; Kumpová, Ivana; Eckl, Michael; Kastner, Johann; Senck, Sascha
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      The reinforcement of fused filament fabricated (FFF) components with continuous fibers allows for high versatility in the design of mechanical properties for a specific applications needs. However, the bonding quality ...

    • Feasibility experiments of seismic concrete block walls without joint mortar 

      Autor: Choi, Ho; Jin, Kiwoong; Jeong, Jaecheon; Kim, Bongseok; Hwang, Eonju
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      The authors developed two types of block systems consisting only of main block and key block without joint mortar in consideration of seismic performance and workability. Two types of block systems have different key block ...

    • FEASIBILITY STUDY OF MICRO-LATTICE STRUCTURES BY MULTIPHOTON LITHOGRAPHY 

      Autor: Wimmer, Markus; Major, Zoltan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      The paper describes the possibilities of additive manufacturing with multiphoton lithography. The basis of this technology is that a laser beam (with a certain wavelength) is fired into the mixture of a monomer and a ...

    • FEATURES OF STRUCTURE FORMATION AND CHANGES IN THE MECHANICAL PROPERTIES OF CAST Al-Mg-Si-Mn ALLOY WITH THE ADDITION OF (Ti+Zr) 

      Autor: Trudonoshyn , Oleksandr; Puchnin , Maxim; Mykhalenkov , Kostiantyn
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      The as-cast and heat-treated structure of permanent mould castings of AlMg5Si2Mn alloys with different contents of Ti has been investigated by differential scanning calorimetry, hardness and microhardness measurements, ...

    • FEATURES REGARDING INTERACTION OF ANCHOR PILES SUCH AS "TITAN" AND "GEOIZOL" WITH SOILS 

      Autor: Nikitenko, M.I.; Dubatovka, I.P.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      The article describes the experience of using anchors at a deep excavation for the construction of a multifunctional complex in Minsk. The authors describe the features of the device and the testing of the pressure grouted ...

    • Femoral Test Bed for Impedance Controlled Surgical Instrumentation 

      Autor: Brendle , Christian; Niesche , Annegret; Korff , Alexander; Radermacher , Klaus; Leonhardt , Steffen
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      The risk for patients during the standard procedure of revision of cemented artificial hip joints is unsatisfactorily highdue to its high level of invasiveness and limited access to the operative field. To reduce this risk ...

    • Femtosecond laser processing of advanced technical materials 

      Autor: Primus, Tomáš; Novák, Martin; Zeman, Pavel; Holešovský, František
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      Ultra-short pulsed laser ablation may be used for high-precision machining with very low thermal influence on the processed materials. Due to this reason, lasers are increasingly used for processing of advanced materials, ...

    • FIBER REINFORCED SAND BACKFILL FOR UNDERGROUND PEDESTRIAN CROSSINGS 

      Autor: Ponomarev, Andrei B.; Kleveko, V.I.; Moiseeva, O.V.; Kashapova, K.R.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      Crosswalk is an essential element of the transport system of any city. A priority assignment in any such crossing is to ensure the safety of pedestrians. Underground pedestrian crossings are much safer than crossings at ...

    • FICTITIOUS DOMAIN METHOD FOR NUMERICAL SIMULATION OF INCOMPRESSIBLE VISCOUS FLOW AROUND RIGID BODIES 

      Autor: Beno , Matej; Patzák , Bořek
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      This article describes the method of efficient simulation of the flow around potentially many rigid obstacles. The finite element implementation is based on the incompressible Navier-Stokes equations using structured, ...

    • Final Remarks 

      Autor: Auriemma, Giulio
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)

    • Finding Hidden Treasures: Investigations in US Astronomical Plate Archives 

      Autor: Hudec , René; Hudec , Lukáš
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      We report here on an ongoing investigation of US astronomical plate archives and tests of the suitability of transportable scanning devices for in situ digitization of archival astronomical plates.

    • FINITE ELEMENT ANALYSIS OF AORTAL BIFURCATION 

      Autor: Kronek , Jakub; Žitný , Rudolf
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      Arterial bifurcations loaded by internal pressure represent significant stress concentrators. Increased mechanical stress inside arterial wall probably accelerates pathogenic processes at these places. Stress concentration ...

    • FINITE ELEMENT IMPLEMENTATION OF GEOMETRICALLY NONLINEAR CONTACT 

      Autor: Faltus, Ondřej; Horák, Martin
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      The OOFEM finite element software has been recently updated to include contact algorithms for small strain applications. In this work, we attempt to extend the contact algorithms to large strain problems. Reviewing the ...

    • FINITE ELEMENT MODELLING AND SIMULATION OF VEHICLE IMPACT ON STEEL SAFETY BARRIERS 

      Autor: Likhonina , Raissa
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)
      This paper deals with a FEA simulation of the vehicle crash with steel safety barriers in ANSYS LS-DYNA® 15.0. Two types of safety barriers are used: JSNH4/H2 and JSAM-2/H2. A geometrical model of the barrier in the Modeler ...