Now showing items 1137-1156 of 1971

  • Methods of testing the properties of fibre-cement composites 

    Bodnárová, Lenka; Hoško, Marek; Martinec, Petr (IOP Publishing, 2018-07-16)
    The paper deals with process of manufacturing the fibre-cement materials and methods of testing their climatic performance. Basic raw materials for production fibre-cement sheets are cement, cellulose fibers, reinforcing ...
  • Microcrack interaction with circular inclusion and interfacial zone 

    Profant, Tomáš; Hrstka, Miroslav; Klusák, Jan (Gruppo Italiano Frattura, 2019-01-04)
    A geometrically simplified plane elasticity problem of a finitesmall crack emanating from a thin interfacial zone surrounding the circularinclusion situated in the finite bounded domain is investigated. The crack isarbitrarily ...
  • Microfluidic Technology for Clinical Applications of Exosomes 

    Iliescu, Florina Silvia; Vrtačnik, Danilo; Neužil, Pavel; Iliescu, Ciprian (MDPI, 2019-06-12)
    Exosomes, a type of nanovesicle, are distinct cellular entities specifically capable of carrying various cargos between cells. It has been hypothesized that exosomes, as an enriched source of biomolecules, may serve as ...
  • Microscopic optoelectronic defectoscopy of solar cells 

    Škarvada, Pavel; Tománek, Pavel; Koktavý, Pavel; Sobola, Dinara (EDP Sciences, 2013-05-03)
    Scanning probe microscopes are powerful tool for micro- or nanoscale diagnostics of defects in crystalline silicon solar cells. Solar cell is a large p-n junction semiconductor device. Its quality is strongly damaged by ...
  • Microstructural and Electrical Properties of Cordierite-based Ceramics Obtained After Two-step Sintering Technique 

    Obradović, Nina; Filipović, Suzana; Dordević, Nataša; Kosanović, Darko; Pavlović, Vladimir B.; 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, ...
  • Microstructural changes during deformation of AISI 300 grade austenitic stainless steels: Impact of chemical heterogeneity 

    Man, Jiří; Kuběna, Ivo; Man, Ondřej; Weidner, Anja; Chlup, Zdeněk; Polák, Jaroslav (Elsevier, 2016-06-24)
    The present work points out the importance of chemical heterogeneity on the destabilization of austenitic structure and the formation of deformation induced martensite (DIM) in AISI 300 grade austenitic stainless steels ...
  • Microstructural investigation of defects in photovoltaic cells by the electron beam-induced current method 

    Papež, Nikola; Dallaev, Rashid; Sobola, Dinara; Macků, Robert; Škarvada, Pavel (Elsevier, 2020-02-19)
    This work aims to clarify the application of electron beam-induced current (EBIC) method for the morphological analysis and detection of local defects and impurities in semiconductor structures such as solar cells. One of ...
  • Microstructural study of AZ91C magnesium alloy castings produced by investment casting in as-cast state and after heat treatment 

    Dyčka, Martin; Dyčková, Lucie; Gejdoš, Pavel; Juliš, Martin (Tanger Ltd., 2019-05-24)
    In this article, the microstructure of AZ91C magnesium alloy castings produced by investment casting was investigated. Castings were studied in as-cast state and after T4 and T6 heat treatment. The identification of all ...
  • Microstructure and Phase Composition Of Steatite Ceramics Sintered by Traditional and Spark Plasma Sintering 

    Terzić, Anja; Obradović, Nina; Pouchlý, Václav; Stojanović, Jovica; Maca, Karel; Pavlović, Vladimir B. (International Institute for the Science of Sintering, Beograd, 2018-03-01)
    The influence of the sintering method on the mineral phase transformations and development of the crystalline microstructure of steatite ceramics was investigated. The steatite samples were fabricated from talc and bentonite ...
  • The microstructure of a cement composite based on a secondary raw materials 

    Figala, Petr; Drochytka, Rostislav (IOP Publishing, 2018-07-16)
    Waste management and its use as a secondary raw material is a matter that is being given increasing attention. Such raw materials also include waste products from the energy industry or municipal waste disposed of from the ...
  • Microwave Plasma Torch Generated in Argon for Small Berries Surface Treatment 

    Bogdanov, Todor; Tsonev, Ivan; Marinova, Plamena; Benova, Evgenia; Rusanov, Krasimir; Rusanova, Mila; Atanassov, Ivan; Kozáková, Zdenka; Krčma, František (MDPI, 2018-10-10)
    Demand for food quality and extended freshness without the use of harmful chemicals has become a major topic over the last decade. New technologies are using UV light, strong electric field, ozone and other reactive agents ...
  • Microwave-Assisted Preparation of Organo-Lead Halide Perovskite Single Crystals 

    Jančík, Ján; Jančík Procházková, Anna; Scharber, Markus Clark; Kovalenko, Alexander; Másilko, Jiří; Sariciftci, Niyazi Serdar; Weiter, Martin; Krajčovič, Jozef (American Chemical Society, 2020-02-10)
    The efficiency of organo-lead halide perovskite-based optoelectronic devices is dramatically lower for amorphous materials compared to highly crystalline ones. Therefore, it is challenging to optimize and scale up the ...
  • Microwave-assisted synthesis of goethite nanoparticles used for removal of Cr(VI) from aqueous solution 

    Nguyen, Dính Vinh; Kynický, Jindřich; Ambrožová, Pavlína; Adam, Vojtěch (MDPI, 2017-07-01)
    The microwave-assisted synthesis of goethite nanoparticles has been studied. The samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), thermogravimetric analysis (TGA), differential ...
  • Migrastatics-Anti-metastatic and Anti-invasion Drugs: Promises and Challenges 

    Gandalovičová, Aneta; Rösel, Daniel; Fernandes, Michael; Veselý, Pavel; Henenberg, Petr; Čermák, Vladimír; Petruželka, Luboš; Kumar, Sunil; Sanz-Moreno, Victoria; Brábek, Jan (Elsevier, 2017-06-01)
    In solid cancers, invasion and metastasis account for more than 90% of mortality. However, in the current armory of anticancer therapies, a specific category of anti-invasion and antimetastatic drugs is missing. Here, we ...
  • Millimeter Wave Vehicular Channel Emulation: A Framework for Balancing Complexity and Accuracy 

    Blazek, Thomas; Zöchmann, Erich; Mecklenbräuker, Christoph (MDPI, 2018-11-16)
    We propose a general framework for the specification of a sparse representation of millimeter wave vehicular propagation channels and apply this to both synthetic data and real-world observations from channel sounding ...
  • Minimizing Power Consumption of Automotive AC System by Condenser Fan Speed Control 

    Glos, Jan; Kozovský, Matúš; Šolc, František; Václavek, Pavel (IEEE, 2020-06-17)
    This paper introduces three methods of an automotive refrigeration compressor power measurement and computation. All the methods are evaluated on a test bench with convenient results. The model-based method in combination ...
  • A mixed integer linear programming model applied in barge planning for Omya 

    Bredstroem, David; Haugen, Kjetil Kare; Olstad, Asmund; Novotný, Jan (Elsevier, 2015-12-01)
    The article presents a mathematical model for barge transport planning, which is part of a decision support system recently taken into use by the Swiss company Omy. The barge-planning problem falls in the category of ...
  • Mixed Lubrication Solution of Dynamically Loaded Radial Slide Bearings 

    Novotný, Pavel (Faculty of Engineering, University of Kragujevac, 2017-03-23)
    A solution of radial slide bearing dynamics and tribology incorporating the influences of real surface roughness contacts or the influence of surface roughness on bearing lubrication is presented in this paper. Finite ...
  • Mixed-mode crack propagation in a semi-circular disc under bending made of an environmental-friendly concrete 

    Malíková, Lucie; Miarka, Petr; Šimonová, Hana (Elsevier, 2020-12-01)
    The paper is devoted to investigations on the crack deflection angle under mixed-mode loading conditions. Several semi-circular disc configurations with an inclined crack under three-point bending are suggested and its ...
  • Model dynamického tepelného chování konstrukčních detailů 

    Šikula, Ondřej (IBPSA-CZ, ČVUT, 2008-11-06)
    Podstatou příspěvku je prezentace nového výpočetního modelu určeného pro dynamickou simulaci přenosu tepla v konstrukčních detailech stavebních konstrukcí. Vlastní výpočetní model je založen na numerickém řešení dvourozměrného ...