DSpace at Central Library of Czech Technical University in Prague: Poslední příspěvky

Zobrazují se záznamy 1-20 z 31627

    • STABILITY OF SYNTHESIZED SILVER NANOPARTICLES IN CITRATE AND MIXED GELATIN/CITRATE SOLUTION 

      Autor: Kavuličová , Jana; Mražíková , Anna; Velgosová , Oksana; Ivánová , Dana; Kubovčíková , Martina
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      The study focuses on an investigation of the influence of both citrate and mixed gelatin/citrate as a reductant and stabilizer on the colloidal stability of silver nanoparticles (AgNPs)synthesized by a chemical reduction ...

    • H2 PERMEATION BEHAVIOR OF Cr2AlC AND Ti2AlC MAX PHASE COATED ZIRCALOY4 BY NEUTRON RADIOGRAPHY 

      Autor: Tang , Chongchong; Grosse Karl, Mirco; Trtik , Pavel; Steinbrück , Martin; Stüber , Michael; Seifert , Hans Jürgen
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      Hydrogen uptake by nuclear fuel claddings during normal operation as well as loss of coolant during design basis and severe accidents beyond design basis has a high safety relevance because hydrogen degrade the mechanical ...

    • AUTOMATIC WINDING GENERATION USING MATRIX REPRESENTATION ANFRACTUS TOOL 10 

      Autor: Ouamara , Daoud; Dubas , Frédéric; Benallal , Mohamed Nadjib; Randi , Sid Ali; Espanet , Christophe
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      This paper describes an original approach dealing with AC/DC winding design in electrical machines. A research software called “ANFRACTUS Tool 1.0”, allowing automatic generation of all windings in multi-phases electrical ...

    • COMPARISON OF ACTUAL GROUND SETTLEMENTS IN TUNNELLING EXCAVATION TO MODEL PREDICTIONS 

      Autor: Saplachidi , Alexandra; Vougioukas , Emmanouil
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      It has been discovered that the underground structures are vulnerable to seismic phenomena mainly due to permanent ground deformations caused by earthquakes rather than the dynamic seismic movement itself. Several models ...

    • Editorial: FAREWELL AND WELCOME NEW EDITORINCHIEF 

      Autor: Adlerová , Iva
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      My seven years with Acta Polytechnica ended on June 30. The opportunity to lead this journal from a local list of reviewed periodicals to the prestigious databases – Web of Science, Scopus, Inspec, CAS and more – was a ...

    • OPTIMALIZATION OF PHOTOREACTOR GEOMETRY FOR THE CULTIVATION OF CHLAMYDOMONAS REINHARDTII 

      Autor: Fekete , Roman; Žáková , Terézia; Gabrišová , Ľudmila; Kotora , Peter; Peciar , Peter; Gahurová , Dominika; Slaninová , Miroslava
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      At the present time, a great attention is being paid to the use of algae. Algae can adapt to different conditions and can produce substances corresponding to responsible environments. The main problem in their cultivation ...

    • AUTOMATIC CLASSIFICATION OF POINT CLOUDS FOR HIGHWAY DOCUMENTATION 

      Autor: Hůlková , Martina; Pavelka , Karel; Matoušková , Eva
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      Mobile laser scanning systems confirmed the capability for detailed roadway documentation. Hand in hand with enormous datasets acquired by these systems is the increase in the demands on the fast and effective processing ...

    • NUMERICAL SIMULATIONS OF STATIC STRENGTH OF NOVEL DENTAL IMPLANTS 

      Autor: Řehounek , Luboš; Denk , František; Jíra , Aleš
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      It is important to know the mechanical and micromechanical characteristics of conventional dental implants in order to design and develop novel dental implants and surface treatments that ensure a good biomechanical stability ...

    • APPLICATION OF CORROSION PLATES IN DRINKING WATER 

      Autor: Skalický , Michal
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      Drinking water has always been, is and will be a strategic raw material. Stopping corrosion or at least minimisation of its impact while keeping quality drinking water supplies is a big challenge for the future. That is ...

    • HYDROPHOBIC IMPREGNATION OF GEOPOLYMER COMPOSITE BY ETHOXYSILANES 

      Autor: Mašek , Zdeněk; Diblikova , Linda
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      A geopolymer composite was impregnated by incorporating the hydrophobic alkyl group on the outer surface and in the inner structure of the geopolymer. Ethoxysilanes 1H,1H,2H,2H perfluoroctyltriethoxysilane and hexadecylt ...

    • ANAEROBIC DIGESTION OF LANDFILL LEACHATE WITH NATURAL ZEOLITE AND SUGARCANE BAGASSE FLY ASH AS THE MICROBIAL IMMOBILIZATION MEDIA IN PACKED BED REACTOR 

      Autor: Sudibyo , Hanifrahmawan; Shabrina Lini, Zata; Wondah Rafih, Hartika; Hastuti Tri, Retno; Purnomo Wahyu, Chandra; Budhijanto , Wiratni
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      To enhance the digestion rate of a landfill leachate in the anaerobic packed bed reactor, a natural zeolite and sugarcane bagasse fly ash (BFA) were tested as the immobilization media. In order to scale up this process and ...

    • THE CHARACTERIZATION OF ANODIC OXIDE LAYERS ON SELECTED BIOCOMPATIBLE TITANIUM ALLOYS 

      Autor: Krčil , Jan; Mára , Vladimír; Krum , Stanislav; Sobotová , Jana
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      Oxide layers on titanium alloy surfaces have an influence on bio-compatibility and corrosion resistance. In order to improve them, properties of oxide layers are examined. The oxide layer can be prepared by different methods ...

    • 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 ...

    • ESTIMATION OF THE LATERAL AERODYNAMIC COEFFICIENTS FOR SKYWALKER X8 FLYING WING FROM REAL FLIGHTTEST DATA 

      Autor: Mohammadi Farhadi , Rahman; Kortunov , Vyacheslav; Molchanov , Andrii; Solianyk , Tatiana
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      Stability and control derivatives of Skywalker X8 flying wing from flight-test data are estimated by using the combination of the output error and least square methods in the presence of the wind. Data is collected from ...

    • EFFECT OF THE APPLICATION OF MICROWAVE ENERGY ON THE REGENERATION OF THE ADSORBENT 

      Autor: Dobrotvorskiy , Sergey; Aleksenko , Borys; Dobrovolska , Ludmila; Basova , Yevheniia
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      Today, energy conservation is a priority. This is due to the shortage of energy resources, the growth of their cost and global environmental problems. The production of compressed air is a wery costly and power-consuming ...

    • INTELLIGENT CONTROLLER FOR TRACKING A 14INCH CELESTRON TELESCOPE 

      Autor: Attia A., Abdel-Fattah
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      The paper proposes a design of two fuzzy and Proportional-Integral-Derivative (PID) controllers for a position tracking of the 1400 Celestron telescope. The position responses; right ascension and declination in such a way ...

    • NEW APPROACH FOR ONLINE ARABIC MANUSCRIPT RECOGNITION BY DEEP BELIEF NETWORK 

      Autor: Samir , Benbakreti; Boukelif , Aoued
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      In this paper, we present a neural approach for an unconstrained Arabic manuscript recognition using the online writing signal rather than images. First, we build the database which contains 2800 characters and 4800 words ...

    • ULTRAHIGHPERFORMANCE FIBREREINFORCED CONCRETE UNDER HIGHVELOCITY PROJECTILE IMPACT PART I EXPERIMENTS 

      Autor: Kravanja , Sebastjan; Sovják , Radoslav
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      A series of cratering experiments were performed where the response of the Ultra-High-Performance Fibre-Reinforced Concretes with various fibre volume fractions to the high- velocity projectile impact loading was investigated. ...

    • ANALYSIS OF DALLARA T12 RACE CAR FRONT WING VIBRATIONS 

      Autor: Sorokin Alekseevich, Pavel; Khryakov Stanislavovich, Kirill; Gommers , Michiel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      This work investigates aerodynamic elements’ vibrations of high-speed vehicles on the example of the Dallara T12 race car front wing. Made up energy spectrums of wing vibrations for three specific cases arising during ...

    • MINIMAL NONINTEGER ALPHABETS ALLOWING PARALLEL ADDITION 

      Autor: Legerský , Jan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      Parallel addition, i.e., addition with limited carry propagation has been so far studied for complex bases and integer alphabets. We focus on alphabets consisting of integer combinations of powers of the base. We give ...