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  • 1
    Electronic Resource
    Electronic Resource
    Pre- and post-transplant assessment of liver function in paediatric liver transplantation (1992)
    Springer
    European journal of pediatrics 151 (1992), S. S39 
    Details
    ISSN: 1432-1076
    Keywords: Liver transplantation ; Liver function tests ; Prognostic tests
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The pre-operative risk of paediatric liver transplantation candidates (n=41) was assessed in a prospective study by means of clinical symptoms, conventional static and liver blood flow dependent dynamic liver function tests. Nine patients died during the 365-day waiting period. The data were subjected as covariates to a survival analysis in the Cox proportional hazards model. There was a significant relationsship between the results of mono-ethylglycinexylidide (MEGX) formation and ICG test and the 365-day survival rate. In the stepwise analysis, none of the remaining parameters improved the predictive ability when added to the dynamic liver function test results. The assessment of post-transplantation liver function was studied in 27 patients during the first 28 postoperative-day period. In addition, liver function was studied in a cross-sectional study 1–7 years after successful liver transplantation in children with complete or partial rehabilitation. In the early postoperative period severe organ damage was indicated by both static and dynamic liver function tests. In the later course after transplantation no deterioration of liver function measured with MEGX formation was to be observed. These findings demonstrate the usefulness of dynamic liver function tests in the pre- and post-transplant assessment of liver function.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02125801
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Komplexe Atomstreuamplituden für die elastische Elektronenstreuung an Festkörperatomen (1968)
    [S.l.] : International Union of Crystallography (IUCr)
    Acta crystallographica 24 (1968), S. 85-93 
    Details
    ISSN: 1600-5724
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: Complex scattering amplitudes of atoms in solids of many elements for 40 and 100 keV electrons are presented. The changed potential of atoms in solids is approximated by a special correction function. The influence of the different potential functions (Thomas–Fermi or Hartree), interatomic distances, and electron energies on the complex atomic scattering amplitudes is discussed. The atomic scattering amplitudes of single atoms for small scattering angles depend strongly on the potential functions used, because they differ for outer atomic regions, especially for fight elements. This is not the ease, however, for atoms in solids, because by using the corrected potential the original potential differences in the outer atomic regions are suppressed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0567739468000100
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Elektronenmikroskopische Abbildung Weißscher Bezirke in dünnen ferromagnetischen Schichten (1959)
    Springer
    Naturwissenschaften 46 (1959), S. 574-574 
    Details
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01750912
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  • 4
    Electronic Resource
    Electronic Resource
    Elektronenoptische Untersuchungen Weißscher Bezirke in dünnen Eisenschichten (1960)
    Springer
    The European physical journal 159 (1960), S. 388-396 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Zusammenfassung Die magnetischen Strukturen dünner ferromagnetischer Schichten können im Elektronenmikroskop bei scharfer Abbildung (nach einem Schlierenverfahren) und bei unscharfer Abbildung untersucht werden. Eisenschichten zeigen in den Weiß-schen Bezirken eine magnetische Unterstruktur.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01337539
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Dynamische Theorie der elastischen Elektronenbeugung unter Verwendung komplexer Atomformfaktoren (1964)
    Springer
    The European physical journal 181 (1964), S. 436-452 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The two-beam approximation of dynamic electron diffraction in crystals is deduced from successive scattering by two-dimensional gratings. The scattering-amplitude caused by the single grating (phase-grating) is determined by the atomic scattering factors of the single atoms. The use of real atomic scattering factors leads here to the same solutions as the twobeam theory, using the Schroedinger-equation. Anomalous absorptions effects are described in the usual theory by introducing a complex lattice potential into the Schroedinger-equation, taking into account inelastic scattering. A more exact calculation of only elastic scattering by a single atom results in complex atomic scattering factors. Using the complex atomic scattering factors one can describe the anomalous absorption, if recursion-formulae for successive scattering are applied. On the other hand, the transformation to differential equations leads to results, which are not in agreement with experiments. The influence of inelastic scattering for the anomalous absorption can be neglected compared with the complex atomic scattering factors.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01380875
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  • 6
    Electronic Resource
    Electronic Resource
    Phasenbestimmung im Fraunhoferschen Beugungsbild eindimensionaler Gitter (1962)
    Springer
    The European physical journal 167 (1962), S. 152-162 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Zusammenfassung Ein früher angegebenes Verfahren zur Bestimmung des Phasenverlaufes im Fraunhoferschen Beugungsbild eindimensionaler Objekte wird auf ausgedehnte Gitter erweitert. Durch die Messung von Intensitätund Phase im Beugungsbild wird eine vollständige Fourier-Analyse der Objektfunktion aus dem Fraunhoferschen Beugungsbild möglich. Die Phasenverhältnisse im Beugungsbild verschiedener Gittertypen werden experimentell und theoretisch untersucht. Es wird ferner eine Übersicht über diejenigen Objektinformationen gegeben, die allein aus dem Phasenverlauf im Beugungsbild zu erhalten sind.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01378828
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Phasenbestimmung im Fraunhoferschen Beugungsbild eindimensionaler Objekte (1960)
    Springer
    The European physical journal 160 (1960), S. 66-73 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Zusammenfassung Es wird ein experimentelles Verfahren angegeben, das den Phasenverlauf im Fraunhoferschen Beugungsbild eindimensionaler Objekte zu ermitteln gestattet. Für verschiedene Objekttypen (symmetrische und asymmetrische Amplituden- und Phasenobjekte) wird der prinzipielle Phasenverlauf im Fraunhoferschen Beugungsbild nachKirchhoff berechnet. Für einige spezielle Objekte wird der Phasen verlauf im Beugungsbild nach dem angegebenen Verfahren experimentell bestimmt und mit dem prinzipiellen Ergebnis der Rechnung verglichen.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01337479
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    Paper (German National Licenses)
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