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584,955 research outcomes, page 1 of 58,496
  • publication . Article . Preprint . 2017
    Open Access English
    Authors:
    Charles A. Downing; Mikhail E. Portnoi;
    Persistent Identifiers
    Publisher: HAL CCSD
    Country: France
    Project: EC | CANTOR (612285), EC | NOTEDEV (607521), EC | CoExAN (644076), EC | INTERNOM (612624)

    The electrons found in Dirac materials are notorious for being difficult to manipulate due to the Klein phenomenon and absence of backscattering. Here we investigate how spatial modulations of the Fermi velocity in two-dimensional Dirac materials can give rise to locali...

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  • publication . Article . 2020
    Open Access English
    Authors:
    Phu Ma Quoc; David Krzikalla; Jakub Mesicek; Jana Petru; Jakub Smiraus; Aleš Slíva; Zdenek Poruba;
    Persistent Identifiers
    Publisher: MDPI AG
    Country: Czech Republic

    The use of impact attenuators (IA) is important for vehicles as they absorb the kinetic energy exerted from the car crashes to protect the drivers from any possible injuries. Under the framework of the Formula Student (FS) competition, we investigate various designs of ...

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  • publication . Article . 2021
    Open Access English
    Authors:
    Radim Kořínek; Lorenz Pfleger; Korbinian Eckstein; Hannes Beiglböck; Simon Daniel Robinson; Michael Krebs; Siegfried Trattnig; Siegfried Trattnig; Zenon Starčuk; Martin Krššák; ...
    Persistent Identifiers
    Project: EC | MS-fMRI-QSM (794298)

    Fat fraction quantification and assessment of its distribution in the hepatic tissue become more important with the growing epidemic of obesity, and the increasing prevalence of diabetes mellitus type 2 and non-alcoholic fatty liver disease. At 3Tesla, the multi-echo, c...

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  • publication . Conference object . Preprint . Article . 2017
    Open Access English
    Authors:
    Michael B. Cohen; Jonathan A. Kelner; John Peebles; Richard Peng; Anup Rao; Aaron Sidford; Adrian Vladu;
    Persistent Identifiers
    Country: United States
    Project: NSF | AF: Large: Collaborative ... (1111109), NSF | Graduate Research Fellows... (1122374), NSF | AF: Medium: Taming Masssi... (1065125)

    In this paper we introduce a notion of spectral approximation for directed graphs. While there are many potential ways one might define approximation for directed graphs, most of them are too strong to allow sparse approximations in general. In contrast, we prove that f...

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  • publication . Article . 2008
    Closed Access
    Authors:
    Dana Havlíková; Otto Vychytil; Jan Jelínek;
    Persistent Identifiers
    Publisher: Wiley
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  • Founding and determination of thermodynamic functions related to solid often geologic materials is traced showing interactions between Czech Professor F. Wald and Russian R.S. Kurnakov and D.S. Korzhinski? in the early definition of phases and characterization of partly...

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  • publication . Conference object . 2013
    Authors:
    Vilém Novák; Petr Hurtik; Hashim Habiballa;
    Persistent Identifiers
    Publisher: IEEE

    This paper is based on real application whose task was to recognize characters printed on metal ingots. The problem is that the surface of ingots is very uneven - ingots are either hot, or cut by rough instrument, the printing machine can be worn down, etc. Therefore, t...

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  • publication . Article . 2020
    Closed Access
    Authors:
    Tomáš Homola; Jan Pospisil; Masoud Shekargoftar; Tomáš Svoboda; Matej Hvojnik; Pavol Gemeiner; Martin Weiter; Petr Dzik;
    Persistent Identifiers
    Publisher: American Chemical Society (ACS)

    This work introduces a novel method of low-temperature (70 °C) ambient-air plasma treatment for the rapid fabrication of mesoporous titania/polysiloxane thin films in perovskite solar cells. The me...

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  • publication . Article . 2014
    Open Access English
    Authors:
    Ľubomír Gajdoš; Martin Šperl; Jiří Frankl; Jaroslav Kaiser; Vaclav Mentl; Jan Kyncl; Jaroslav Lukes; Radomír Kužel;
    Country: Czech Republic

    The paper presents experimental results concerning the variation of microplastic limit (MPL) during fatigue as determined by the measurement of changes in inductanceLof specimens made from normalized low-C steel CSN 411375. Some indications have been obtained that MPL v...

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  • publication . Part of book or chapter of book . 2015
    Closed Access
    Authors:
    Micale, Vincenzo; Tabiova, Katarina; Kucerova, Jana; Drago, Filippo;
    Persistent Identifiers
    Publisher: Springer New York

    The endogenous cannabinoid system (ECS) works as pro-homeostatic and pleiotropic signaling system activated in a time- and tissue-specific way during physiological conditions, which include cognitive, emotional and motivational processes. It is composed of two G protein...

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584,955 research outcomes, page 1 of 58,496