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Browsing Publikace 2011 by Issue Date

Browsing Publikace 2011 by Issue Date

Now showing items 1-20 of 214

Modelling of materials with shape memory effect with using finite element method

Ackermann, Michal; Čapek, Lukáš (Brno Univ. of TechnologyTechnická Univerzita v LiberciTechnical university of Liberec, Czech Republic, 2011)

Materials with shape memory effect exceed conventional materials especially in high reversible deformations (pseudoelasticity) and a possibility of permanent deformation disappearance after applying a heat on them (shape ...
Nanofibrous Resonant Membrane for Acoustic Applications

Kalinová, Klára (Hindawi Publishing CorporationTechnická Univerzita v LiberciTechnical university of Liberec, Czech Republic, 2011)

Because the absorption of lower-frequency sound is problematic with fibrous material made up of coarser fibers, highly efficient sound absorption materials must be developed. The focus of this paper is on the development ...
Properties Of Hybrid Coatings Based On 3-Trimethoxysilylpropyl Methacrylate

Zajícová, Veronika; Exnar, Petr; Staňová, Iveta (Inst Chemical Technology, Dept Glass CeramicsTechnical university of Liberec, Czech RepublicTechnická Univerzita v Liberci, 2011)

Hybrid coatings were prepared by sol-gel method from sols on the base of TMSPM ((3-(trimethoxysily)propyl methacrylate) TEOS (tetraethylorthosilicate) on glass, corundum, polished steel and subsequently heat treated at 90 ...
The influence of plasma treatment on adhesive quality of silver nanoparticles

Cigánová, Barbora; Šafářová, Klára; Wiener, Jakub (Tanger LtdTechnická Univerzita v LiberciTechnical university of Liberec, Czech Republic, 2011)

Textile materials have high porosity, high interior surface, along with high strength and structure flexibility therefore they are important from technical point of view. Textile materials are ideal carriers of nanoparticles ...
Research Methods for the Dynamic Properties of Textiles

Tumajer, Petr; Ursíny, Petr; Bílek, Martin; Moučková, Eva (Inst Chemical FibresTechnická Univerzita v LiberciTechnical university of Liberec, Czech Republic, 2011)

This paper is concerned with a theoretical description of the dynamic properties of textiles and their experimental analysis. In the theoretical section of the paper, the dynamic properties of textiles are described based ...
Effect of composition of knitted fabrics on their cooling efficiency at simulated sweating

Hes, Luboš; Ursache, Mariana (Natl Inst Science Communication-NiscairTechnická Univerzita v LiberciTechnical university of Liberec, Czech Republic, 2011)

Cooling efficiency of selected underwear knits in the simulated condition of fabric wetting by means of single sweating pulse has been experimentally investigated. The method is based on non-traditional use of the small ...
Controlled Morphology of Porous Polyvinyl Butyral Nanofibers

Lubasová, Daniela; Martinová, Lenka (Hindawi Publishing CorporationTechnická Univerzita v LiberciTechnical university of Liberec, Czech Republic, 2011)

A simple and effective method for the fabrication of porous nanofibers based on the solvent evaporation methods in one-step electrospinning process from the commercial polyvinyl butyral (PVB) is presented. The obtained ...
Properties of Wool and Cotton Fabrics Dyed with Eucalyptus, Tannin and Flavonoids

Mongkholrattanasit, Rattanaphol; Kryštůfek, Jiří; Wiener, Jakub; Studničková, Jarmila (Inst Chemical FibresTechnická Univerzita v LiberciTechnical university of Liberec, Czech Republic, 2011)

Fabrics made from wool and cotton were dyed with eucalyptus leaf extract, rutin, querecetin and tannin dyes by the pad-dry technique. In this experiment, ferrous sulfate was used as a mordant. The dyeing properties were ...
Statistical data analysis: A practical guide

Meloun, Milan; Militký, Jiří (Woodhead Publishing Limited, 2011)

Over the past decade, computer supported data analysis by statistical methods has been one of the fastest growth areas in chemometrics, biometrics and other related branches of natural, technical and social sciences. This ...
Influence of structure of iron nanoparticles in aggregates on their magnetic properties

Rosická, Dana; Šembera, Jan (Technická Univerzita v LiberciTechnical university of Liberec, Czech Republic, 2011)

Zero-valent iron nanoparticles rapidly aggregate. One of the reasons is magnetic forces among the nanoparticles. Magnetic field around particles is caused by composition of the particles. Their core is formed from zero-valent ...
Combustion of ethanol-vegetable oil blends in diesel engines

Vojtíšek, Michal; Laurin, Josef; Barbolla, Alexander; Holubec, Radek; Starý, Petr (Technická Univerzita v LiberciTechnical university of Liberec, Czech Republic, 2011)

Vegetable oils, utilized in transportation primarily as a feedstock for biodiesel, can be also combusted in diesel engines in their neat, non-esterified form. Given the high viscosity and high flash point of vegetable oils, ...
Comparison Of Deformation Characteristics Of The Steel Sheet In Local And Global Area By The Static Loading Using Videoextensometry

Hlebová, Stanislava; Pešek, Ladislav; Kandra, Tomáš (Chemické ListyTechnická Univerzita v LiberciTechnical university of Liberec, Czech Republic, 2011)

Two steel sheets used for deep drawing of the compressor cover were investigated using the videoextensometry technique for strain monitoring during tensile test. The material causing cracks during deep drawing has higher ...
Fast And Accurate Methods Of Independent Component Analysis: A Survey

Tichavský, Petr; Koldovský, Zbyněk (Kybernetika, 2011)

This paper presents a survey of recent successful algorithms for blind separation of determined instantaneous linear mixtures of independent sources such as natural speech or biomedical signals. These algorithms rely either ...
Surface Integrity And Tribological Behaviour Of Hardened Steels

Pala, Zdeněk; Ganev, Nikolaj; Kolařík, Kamil; Bláhová, Olga; Jersák, Jan (Chemicke Listy, 2011)

A comparison between the results of tribological investigations and four surface integrity parameters, i.e. macroscopic and microscopic residual stresses, roughness and microhardness, was performed. The samples in the form ...
Mixed-Hybrid Formulation of Multidimensional Fracture Flow

Březina, Jan; Hokr, Milan (Springer-Verlag Berlin, 2011)

We shall study Darcy flow on the heterogeneous system of 3D, 2D, and 1D domains and we present four models for coupling of the flow. For one of these models, we describe in detail its mixed-hybrid formulation. Finally, we ...
Anomalous electrical resistance of hybrid yarns containing metal fibers

Militký, Jiří; Šafářová, Veronika (Hong Kong Polytechnic University, 2011)

The total electric resistance R is theoretically linearly increasing function of the conductive wire length L, because the electric conductivity K or electric resistivity r is independent on L. It was found [7] that for ...
Reputation Based Trust Management System Supporting Collaboration in a Medical Application

Špánek, Roman; Kouřil, Daniel; Kuba, Martin; Procházka, Michal (Springer-Verlag Berlin, 2011)

In a small group of people it is quite easy to start a collaboration based on shared trust, because people quickly recognize quality of each other. But this is not true when we move to the highly distributed environment ...
Performance of Czech Speech Recognition with Language Models Created from Public Resources

Procházka, Václav; Pollak, Petr; Žďánský, Jindřich; Nouza, Jan (Spolecnost Pro Radioelektronicke InzenyrstviTechnická Univerzita v LiberciTechnical university of Liberec, Czech Republic, 2011)

In this paper, we investigate the usability of publicly available n-gram corpora for the creation of language models (LM) applicable for Czech speech recognition systems. N-gram LMs with various parameters and settings ...
Movable structural parts of internal combustion engine provided on their surfaces with a thin layer for reducing the internal combustion engine friction forces and for reducing the internal combustion engine fuel consumption, especially a piston ring for internal combustion engine piston gudgeon pin

Louda Petr; Rozek Zbigniew; Fijalkowski Mateusz; Niedzielski Piotr; Mitura Stanislaw; Batory Damian (2011)
Method of producing functional nanofibrous layer and apparatus for making the same

Pokorný Pavel; Lukáš David; Mikeš Petr; Vysloužilová Lucie; Chvojka Jiří; Hégrová Božena; Amler Evžen; Buzgo Matej; Louda Petr (2011)

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