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238,532 research outcomes, page 1 of 23,854
  • publication . Conference object . 2020
    Open Access
    Authors:
    Patrick Schygulla; Friedemann D. Heinz; David Lackner; Frank Dimroth;
    Persistent Identifiers
    Publisher: IEEE
    Country: Germany

    This work focuses on the material properties of two III-V semiconductors, AlGaAs and GaInAsP, and their usage as middle cell absorber materials in a wafer-bonded III-V//Si triple-junction solar cell. To this end single-junction solar cells were grown epitaxially lattice...

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  • publication . Article . 2005
    Open Access
    Authors:
    Sagar, S.; Parida, N.; Das, S.; Dobmann, G.; Bhattacharya, D.;
    Persistent Identifiers
    Publisher: Elsevier BV
    Country: Germany

    The various stages of fatigue damage in low carbon structural steel have been characterized using magnetic Barkhausen emission (MBE) signal analysis technique during high cycle fatiguing. The observed trends in the variation in MBE peak voltage showed an initial increas...

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  • publication . Conference object . 2002
    Open Access English
    Authors:
    Shunnian Zhai; T.K.Y. Chan;
    Persistent Identifiers
    Country: Germany

    Recent advances in computer technologies have made it feasible to provide multimedia services. As a result, the research and development of continuous media servers has received more attention in recent years. In general, these servers consist of multiple zone-bit recor...

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  • publication . Conference object . 2004
    Open Access English
    Authors:
    Ulrich Waldmann; Dirk Scheuermann; Claudia Eckert;
    Persistent Identifiers
    Country: Germany

    Since fingerprint data are no secrets but of public nature, the verification data transmitted to a smartcard for oncard-matching need protection by appropriate means in order to assure data origin in the biometric sensor and to prevent bypassing the sensor. For this pur...

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  • publication . Article . 2007
    Open Access German
    Authors:
    Jörg Krüger;
    Persistent Identifiers
    Country: Germany
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  • publication . Conference object . Part of book or chapter of book . 2020
    Open Access
    Authors:
    Maximilian Schaeffner; Roland Platz; Tobias Melz;
    Persistent Identifiers
    Publisher: Springer International Publishing
    Country: Germany

    Active buckling control of compressively loaded beam-columns provides a possibility to increase the maximum bearable axial load compared to passive beam-columns. Reliable mathematical beam-column models that adequately describe the lateral dynamic behavior are required ...

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  • publication . Article . 2004
    Open Access English
    Authors:
    Barton Dahneke;
    Persistent Identifiers
    Country: Germany

    Abstract The theoretical expression in current use for predicting the adhesion of particles (spheres) is limited by its failure to consider molecular repulsions in summing the molecular interactions over the volumes of neighboring spheres. Hence, flattening of the spher...

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  • publication . Conference object . 1995
    Open Access English
    Authors:
    Ziegahn, K.-F.;
    Country: Germany
  • publication . Conference object . 1992
    Open Access English
    Authors:
    Karbach, W.; Voß, A.;
    Country: Germany
  • publication . Bachelor thesis . 2008
    Open Access German
    Authors:
    Appel, Stefan; Ebinger, Peter;
    Publisher: VDM Verlag Müller, Saarbrücken
    Country: Germany

    Die Lokalisierung der Netzwerkknoten in einem mobilen Ad-hoc-Netz (MANET) ist für eine Reihe von Anwendungen bedeutsam. Wenn die Geopositionen der einzelnen Netzwerkknoten bekannt sind, können z.B. spezielle Routing-Verfahren eingesetzt werden, um die kürzesten Wege im ...

238,532 research outcomes, page 1 of 23,854