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  • 1
    Digitale Medien
    Digitale Medien
    The neuropathy of Cockayne syndrome (1983)
    Springer
    Acta neuropathologica 61 (1983), S. 153-156 
    Details
    ISSN: 1432-0533
    Schlagwort(e): Cockayne syndrome ; Neuropathy ; Segmental demyelination ; Schwann cell inclusions
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary We studied three unrelated infants and three adolescent siblings with Cockayne syndrome. The infants showed severe psychomotor retardation. Neurologic manifestations in the siblings were less severe and only slowly progressive. All patients had slowed peripheral nerve conduction. Nerve biopsies demonstrated segmental demyelination and remyelination in each case. In the infantile cases this process was severe and rapidly progressive; in the juvenile cases it was mild and chronic. Distinctive membrane-bound polymorphous inclusions were found in occasional Schwann cells.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00697396
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    On the thermodynamic limit of photovoltaic energy conversion (1981)
    Springer
    Applied physics 25 (1981), S. 119-125 
    Details
    ISSN: 1432-0630
    Schlagwort(e): 72.40 ; 85.30 ; 85.60
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Maschinenbau , Physik
    Notizen: Abstract An infinite stack ofp—n junctions with smoothly varying bandgap from ∞ to 0 is considered. AnI —V characteristic is derived, which is more correct than the classical exponential characteristic. It is shown that open-circuit operation is a reversible process and leads to the Carnot efficiency, if one defines the efficiency in the way that is usual in the theory of thermodynamic engines. If instead one uses the definition of efficiency usual in photovoltaics, open-circuit mode gives rise to zero efficiency. Then operation at maximum efficiency equals operation at maximum power and is not reversible.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00901283
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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    Artikel (Nationallizenzen)
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