Poslední příspěvky

  • Advantages of Combined Sintering Compared to Conventional Sintering of Mechanically Activated Magnesium Titanate 

    Filipović, Suzana; Obradović, Nina; Vladimir B. Pavlović; Kosanović, Darko; Mitrić, Miodrag; Mitrović, Nebojsa; Ing. Václav Pouchlý, Ph.D., ING-PAED IGIP; Kachlík, Martin; Maca, Karel (International Institute for the Science of Sintering, Beograd, 2014-09-01)
    In this article, the advantages of combined sintering in comparison with the conventional one, of mechanically activated magnesium titanate ceramic were investigated. The stoichiometric mixtures of MgO and TiO2 were ...
  • Microstructural and Electrical Properties of Cordierite-based Ceramics Obtained After Two-step Sintering Technique 

    Obradović, Nina; Filipović, Suzana; Dordević, Nataša; Kosanović, Darko; Vladimir B. Pavlović; Olćan, Dragan; Dordević, Antonije; Kachlík, Martin; Maca, Karel (International Institute for the Science of Sintering, Beograd, 2016-05-01)
    Cordierite-based ceramic materials are attracting much interest for their various applications in industry, for manufacturing multilayer circuit boards, catalytic converters, filters, thermal insulation, kiln furniture, ...
  • Utility of several microsatellite markers for the genetic characterisation of three ex situ populations of threatened caprine taxa (Capra aegagrus, C. cylindricornis and C. falconeri) 

    Štohl, Radek (ARCHIV FUR TIERZUCHT, 2015-10-07)
    Caprines belong to the most endangered group of mammals and artiodactyls suffering from many negative human impacts. Fortunately, many of them are protected and managed by national and international legislation and in situ ...
  • Fabrication of Magnetic Nanostructures on Silicon Nitride Membranes for Magnetic Vortex Studies Using Transmission Microscopy Techniques 

    Dhankhar, Meena; Vaňatka, Marek; Urbánek, Michal (MyJove Corp., 2018-07-02)
    Electron and x-ray magnetic microscopies allow for high-resolution magnetic imaging down to tens of nanometers. However, the samples need to be prepared on transparent membranes which are very fragile and difficult to ...
  • Shape of the nappe during free overfall from a rectangular channel with zero bed slope 

    Zachoval, Zbyněk; Böhm, Petr; Pařílková, Jana; Šafář, Robert; Šulc, Jan (Institute of Hydrology of the Slovak Academy of Sciences, Institute of Hydrodynamics of the Academy of Sciences of the Czech Republic, 2013-09-02)
    The paper deals with selected procedures used to calculate the shape of compact nappe during free overfall from a smooth horizontal channel with rectangular cross section. Calculated and measured water surface and velocity ...
  • Discharge coefficient of a rectangular sharp-edged broad-crested weir 

    Zachoval, Zbyněk; Knéblová, Michaela; Roušar, Ladislav; PhD, Ján Rumann,; Šulc, Jan (Institute of Hydrology of the Slovak Academy of Sciences, Institute of Hydrodynamics of the Academy of Sciences of the Czech Republic, 2014-04-01)
    This paper is concerned with the determination of the relationship for the calculation of the discharge coefficient at free overflow over a rectangular sharp-edged broad-crested weir without lateral contraction. The ...
  • Zone of flow separation at the upstream edge of a rectangular broad-crested weir 

    Zachoval, Zbyněk; Mistrová, Ivana; Roušar, Ladislav; Šulc, Jan; Zubík, Pavel (Institute of Hydrology of the Slovak Academy of Sciences, Institute of Hydrodynamics of the Academy of Sciences of the Czech Republic, 2012-12-01)
    The paper deals with the determination of the basic characteristics of flow at the crest of a rectangular broad-crested weir and in detail with the characteristics of flow separation at the upstream edge of the weir crest. ...
  • A stochastic approach to the operative control of flood flows through a reservoir 

    Jaroš, Lubomír; Starý, Miloš; Březková, Lucie (Institute of Hydrology of the Slovak Academy of Sciences and the Institute of Hydrodynamics of the Academy of Sciences of the Czech Republic, 2016-01-04)
    The contribution focuses on the design of a control algorithm aimed at the operative control of runoff water from a reservoir during flood situations. Management is based on the stochastically specified forecast of water ...
  • Effects of peroral supplementation of different forms of zinc on the ruminal mucosa of goat kids – a morphometric study 

    Černík, Julius; Pavlata, Leoš; Pechová, Alena; Mišurová, Lubica; Jokverová, Olga; Ing. Jiří Luňáček, Ph.D., MBA; Halouzka, Roman (VFU Brno, 2013-12-31)
    The aim of the study was to identify the effect of supplementation of various forms of zinc on the ruminal mucosa and dimensions of ruminal papillae in 6-month-old goat kids. The experimental period lasted from weaning to ...
  • Stress coupling effect on ideal shear strength: tungsten as a case study 

    Černý, Miroslav; Šesták, Petr; Pokluda, Jaroslav (Hindawi, 2016-12-05)
    Mechanical response of a perfect bcc tungsten crystal to a multiaxial loading was investigated from first principles. The multiaxial stress state consisted of the shear stress and a superimposed compressive triaxial stress ...
  • Time-dependent growth of silica shells on CdTe quantum dots 

    Modlitbová, Pavlína; Klepárník, Karel; Farka, Zdeněk; Pořízka, Pavel; Skládal, Petr; Novotný, Karel; Kaiser, Jozef (MDPI, 2018-06-16)
    The purpose of this study is to investigate the time dependent growth of silica shell on CdTe quantum dots to get its optimum thickness for applications in practice. The core/shell structured silica-coated CdTe quantum ...
  • Influence of Long-Distance Bicycle Riding on Serum/Urinary Biomarkers of Prostate Cancer 

    Heger, Zbyněk; Gumulec, Jaromír; Ondrák, Aleš; Škoda, Jan; Zítka, Zdeněk; Cernei, Natalia Vladimirovna; Masařík, Michal; Zítka, Ondřej; Adam, Vojtěch (MDPI, 2016-03-17)
    Herein, we present a study focused on the determination of the influence of long-distance (53 km) bicycle riding on levels of chosen biochemical urinary and serum prostate cancer (PCa) biomarkers total prostate-specific ...
  • Platinum nanoparticles induce damage to DNA and inhibit DNA replication 

    Nejdl, Lukáš; Kudr, Jiří; Moulick, Amitava; Hegerová, Dagmar; Ruttkay-Nedecký, Branislav; Gumulec, Jaromír; Číhalová, Kristýna; Šmerková, Kristýna; Dostálová, Simona; Křížková, Soňa; Novotná, Marie; Kopel, Pavel; Adam, Vojtěch (PLOS, 2017-07-12)
    Sparsely tested group of platinum nanoparticles (PtNPs) may have a comparable effect as complex platinum compounds. The aim of this study was to observe the effect of PtNPs in in vitro amplification of DNA fragment of phage ...
  • Effect of zinc-selenium nanoparticles on microalgae scenedesmus quadricauda 

    Strejčková, Aneta; Koláčková, Martina; Vaněčková, Tereza; Býtešníková, Zuzana; Moulick, Amitava; Rankić, Ivan; Klejdus, Bořivoj; Húska, Dalibor (Mendel University in Brno, 2017-12-31)
    The increasing industrial use of nanomaterials in recent years poses a potential risk to the environment. The first organisms that come into contact with these substances include aquatic organisms, and therefore this study ...
  • Paramagnetic Nanoparticles as a Platform for FRET-Based Sarcosine Picomolar Detection 

    Heger, Zbyněk; Cernei, Natalia Vladimirovna; Křížková, Soňa; Masařík, Michal; Kopel, Pavel; Hodek, Petr; Zítka, Ondřej; Adam, Vojtěch; Kizek, René (Nature Publishing Group, 2015-03-09)
    Herein, we describe an ultrasensitive specific biosensing system for detection of sarcosine as a potential biomarker of prostate carcinoma based on Forster resonance energy transfer (FRET). The FRET biosensor employs ...
  • Plasmonic Enhancement and Polarization Dependence of Nonlinear Upconversion Emissions from Single Gold Nanorod@SiO2@CaF2:Yb3+,Er3+ Hybrid Core-Shell-Satellite Nanostructures 

    He, Jijun; Zheng, Wei; Ligmajer, Filip; Chan, Chi-Fai; Bao, Zhiyong; Wong, Ka-Leung; Chen, Xueyuan; Hao, Jianhua; Dai, Jiyan; Yu, Siu-Fung; Lei, Dang Yuan (Springer Nature, 2017-05-19)
    Lanthanide-doped upconversion nanocrystals (UCNCs) have recently become an attractive nonlinear fluorescence material for use in bioimaging because of their tunable spectral characteristics and exceptional photostability. ...
  • Strengthening under Load: Experimental and Numerical Research 

    Vild, Martin; Bajer, Miroslav (IOPSCIENCE, 2015-11-02)
    The paper presents experimental and numerical research of strengthening of columns under load using welded plates. Three sets of three columns each were tested. The results from the experiments and numerical simulations ...
  • Effect of firing temperature on the structure of the aggregate from sintered ashes 

    Černý, Vít; Tůmová, Eva (Elsevier, 2016-08-03)
    Production of artificial aggregate from ashes is worldwide known technology that uses up to 100% of ash in the mixture. There are known two types of aggregate. First is based on binders and known as cold-bonded. Second ...
  • Influence of Micro-Structure on the Fatigue Crack Propagation in Bridge Steel 

    Seitl, Stanislav; Miarka, Petr; Pokorný, Pavel; Fintová, Stanislava; Klusák, Jan (MDPI, 2018-06-19)
    The use of high strength steels (HSS) allows designing lighter, slenderer and simpler structures with high structural performance. In general, the use of HSS leads to weight reduction of the whole structure, which compensates ...
  • Multi-parameter crack tip stress state description for estimation of fracture process zone extent in silicate composite WST specimens 

    Veselý, Václav; Sobek, Jakub; Malíková, Lucie; Frantík, Petr; Seitl, Stanislav (Gruppo Italiano Frattura, 2013-04-15)
    For wedge splitting test specimens, the stress and displacement fields both in the vicinity and also in large distance from the crack tip are investigated by means of numerical methods. Several variants of boundary conditions ...

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