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  • 1
    ISSN: 1432-1920
    Schlagwort(e): Computed tomography ; brain atrophy ; area of the anterior horn of the right lateral ventricle
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary The area of the anterior horn of the right lateral ventricle and five ventricular indices:(1) maximum width of the anterior horns, (2) minimum width of the anterior horns, (3) sum of these maximum and minimum widths, (4) ventricular index, and (5) cella media index were measured from the CT scans of 198 cases considered to be “normal”. The area of the right anterior horn and indices 1–4 were measured on the slice which most clearly showed Monro's foramina and index 5 was measured on the slice 2 cm above. The size of the ventricular system increased steadily with age. The sum of the maximum and minimum widths of the anterior horns was most highly correlated with the area of the right anterior horn. Using this ventricular index, we graded brain “atrophy” in each age group.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Springer
    The European physical journal 26 (1993), S. 291-293 
    ISSN: 1434-6079
    Schlagwort(e): 68.35.Bs ; 71.25.Cx ; 73.20.Dx
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract Two dimensional band structure is calculated for a triangular lattice of C60 molecules by using a mixed-basis approach in which wave functions are expanded with not only plane waves but also 1s and 2p atomic orbitals of carbon atoms. The present analysis modeling a charge transfer from Si dimers of the Si (100) surface suggests the existence of a small Fermi-surface. The resulting partial charge distribution is consistent with the recent STM observation of specific stripes, the direction of which is parallel to that of the topmost double bond of C60, regardless of the intermolecular interaction. It is concluded that the orientation of C60 on the Si surface is mainly determined by the direction of dimer arrays and not by the interaction between C60 molecules.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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