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Zobrazují se záznamy 9703-9722 z 56049

    • Effect of pigments on bond strength between coloured concrete and steel reinforcement 

      Autor: Assaad, Joseph J.; Mata, Matthew; Saade, Jad
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      The effect of pigments on mechanical properties of coloured concrete intended for structural applications, including the bond stress-slip behaviour to embedded steel bars, is not well understood. Series of concrete mixtures ...

    • Effect of plot size and precipitation magnitudes on the activation of soil erosion processes using simulated rainfall experiments in vineyards 

      Autor: Neumann M.; Kavka P.; Devátý J.; Stašek J.; Strouhal L.; Tejkl A.; Kubínová R.; Rodrigo-Comino J.
      (Frontiers, 2022)
      Soil erosion is recognized as a threat to humankind and to natural ecosystems when sustainable limits are exceeded. Several researchers have used various tools, such as rainfall simulators, to assess extreme rainfall events ...

    • EFFECT OF PVA MODIFICATION ON PROPERTIES OF CEMENT COMPOSITES 

      Autor: Topič , Jaroslav; Prošek , Zdeněk; Indrová , Kateřina; Plachý , Tomáš; Nežerka , Václav; Kopecký , Lubomír; Tesárek , Pavel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      Polymers are used for modification of the cement-based composites and others building materials since the thirties of 20th century. Based on the conclusions of recent studies, it is assumed that even water soluble polymers ...

    • Effect of Residual Stress of Properties of Particle Filled Composites 

      Autor: Prejzek Ondřej; Vedoucí práce: Španiel Miroslav
      (České vysoké učení technické v Praze. Vypočetní a informační centrum., 2012-12-02)

    • The Effect of Silver Grating and Nanoparticles Grafting for LSP-SPP Coupling and SERS Response Intensification 

      Autor: Kalachyova Y.; Mareš D.; Jeřábek V.; Záruba K.; Ulbrich P.; Lapcak L.; Švorčík V.; Lyutakov O.
      (American Chemical Society, 2016)
      The systematic study of structures with gold and silver nanoparticles (MeNPs) of various shape and dielectric function immobilized onto the silver grating is performed. The structures may serve as double resonance SERS ...

    • EFFECT OF SLIP VELOCITY ON THE PERFORMANCE OF A SHORT BEARING LUBRICATED WITH A MAGNETIC FLUID 

      Autor: Patel U., Rachana; Deheri M., G.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      This paper aims at analyzing the effect of velocity slip on the behavior of a magnetic fluid based infinitely short hydrodynamic slider bearing. Solving the Reynolds’ equation, the expression for pressure distribution is ...

    • Effect of speech activity parameter on PESQ's predictions in presence of independent and dependent loses 

      Autor: Počta, P.; Holub, J.
      (2013)
      This paper deals with the investigation of PESQ's (Perceptual Evaluation of Speech Quality; also known as ITU-T Recommendation P.862) behavior under independent and dependent loss conditions from a speech activity parameter ...

    • Effect of Stress Induced Anisotropy on the Noise of Ring-core Fluxgate 

      Autor: Butta M.; Ripka P.; Kraus L.
      (IEEE, 2015)
      In this paper we show how an anisotropy perpendicular to the direction of excitation is favourable to obtain low noise in fluxgate sensors. We produced ring cores by electroplating NiFe thin film (6 μm) over a bended copper ...

    • Effect of substrate crystalline orientation on boron-doped homoepitaxial diamond growth 

      Autor: Mortet V.; Taylor A.; Davydova M.; Jiránek J.; Fekete L.; Klimša L.; Šimek D.; Lambert N.; Sedláková S.; Kopeček J.; Hazdra P.
      (Elsevier Science, 2022)
      The article deals with the growth of boron-doped diamond on substrates with a misorientation angle from 0 to 90°. The variation of the boron incorporation over two decades with the misorientation angle of the substrate is ...

    • Effect of superplasticizer on the strength of fly ash based geopolymer concrete 

      Autor: Dela Cruz, Rhem Leoric Cantos; Roriguez, Leah Monica Alaurin; Tiongco, Emmanuel Josh Yambing; Yulas, Khim Denize Asilo; Ongpeng, Jason Maximino
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      In this research, the effect of a polycarboxylate based superplasticizer on the strength of Geopolymer Concrete (GPC) was investigated. A fixed amount of superplasticizer (1.5 % of Fly Ash weight) was utilized along with ...

    • The effect of temperature on bacterial self-healing processes in building materials 

      Autor: Ryparová P.; Tesárek P.; Schreiberová H.; Prošek Z.
      (IOPscience, 2020)
      This paper is focused on the bacterial induced calcitation for the crack healing. The bacteria applied for this purpose are from group which is adapted for growth in the high pH environment as a concrete in hydration phase ...

    • EFFECT OF THE ADDITION OF LI ON THE STRUCTURE AND MECHANICAL PROPERTIES OF HYPOEUTECTIC Al-Mg2Si ALLOYS 

      Autor: Prach , Olena; Horník , Jakub; Mykhalenkov , Kostiantyn
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      Alloys with various contents of Li were studied by means of  differential scanning calorimetry (DSC), transmission electron microscopy (TEM) and energy dispersive X-Ray microanalysis (EDX).The TEM investigations revealed ...

    • 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 ...

    • EFFECT OF THE FLOW FIELD DEFORMATION IN THE WIND TUNNEL ON THE AERODYNAMIC COEFFICIENTS 

      Autor: Maturkanič , Dušan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      The flow field quality has a principal signification at wind tunnel measurement. The creation of the flow field of air by fan leads to the rotation of entire flow field which is, moreover, deformed at the bends of the wind ...

    • Effect of the long-term storage methods on the stability of cartilage biomechanical parameters 

      Autor: Žaloudková, Blanka; Sekorová, Šárka; Kopecká, Barbora; Kytýř, Daniel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      Long-term stability of the tissue product in terms of mechanical parameters is a key factor for its expiration date. For the investigation of storage effects on the cartilage tissues the experimental mechanical loading ...

    • Effect of TiO2 and ZnO powder mixtures on mechanical and photocatalytic performance of high performance concrete 

      Autor: Amor, Fouad; Ingrišová, Lenka; Rácová, Zuzana; Baudys, Michal; Hájek, Petr
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      The development of new modified cement-based materials is increasingly becoming a necessity for improving the durability and surface performance of building materials. Titanium dioxide (TiO2) photocatalyst has been widely ...

    • EFFECT OF TUBE PITCH ON HEAR TRANSFER IN SPRINKLED TUBE BUNDLE 

      Autor: Kracík , Petr; Pospíšil , Jiří
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      Water flowing on a sprinkled tube bundle forms three basic modes: the Droplet mode (the liquid drips from one tube to another), the Jet mode (with an increasing flow rate, the droplets merge into a column) and the Membrane ...

    • Effect of using biomass fly ash on the concrete sustainability 

      Autor: Teixeira, Elisabete Rodrigues; Camões, Aires; Branco, Fernando G.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      Biomass fly ash has been studied has a partial cement material, since this material has a positive effect on concrete properties. Even though, some mixes with BFA presents a positive benefit, they need to be economically ...

    • Effect of Various Input Parameters on Compressed Earth Block’s Strength 

      Autor: Konrád P.; Gallo P.; Sovják R.; Pešková Š.; Valentin J.
      (Trans Tech Publications, 2020)
      In the framework of this study, compressed earth blocks (CEB) were produced using waste materials and various parameters. Material parameters included waste soil, recycled concrete, fly ash, cement, admixtures and water ...

    • EFFECT OF VISCOUS DAMPING IN NUMERICAL CALCULATION OF CABLE-MEMBRANE STRUCTURES BY THE METHOD OF DYNAMIC RELAXATION 

      Autor: Huttner, Miloš; Fajman, Petr
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      The aim of this article is to assess the speed of convergence of numerical calculation of cable-membrane structures using dynamic relaxation method in the process of finding critical damping pre-calculated on undamped ...