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  • 1970-1974  (5)
  • 1955-1959  (2)
  • 1950-1954  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Applied crystallography online 4 (1971), S. 93-95 
    ISSN: 1600-5767
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences , Physics
    Notes: Primary normal alkylammonium halides crystallize in a preferred crystallographic orientation, forming single or twinned layers. The basal spacings are related to the number of carbon atoms within the homologous series, and are doubled in the twin layers. The orientation of the hydrocarbon chains between the ionic heads is discussed.
    Type of Medium: Electronic Resource
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  • 2
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    Unknown
    Berlin : Periodicals Archive Online (PAO)
    Deutsche Zeitschrift für Philosophie. 21:7 (1973) 868 
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 280 (1955), S. 143-153 
    ISSN: 1435-2451
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Zusammenfassung Durch histologische Untersuchung konnte gezeigt werden, daß die in das Myokard implantierte und seitlich gelochte Arteria mammaria interna über neugebildete Gefäße, die in ihrer Wand reichlich epitheloide Zellen erkennen lassen, Anschluß an kleine Coronararterienäste findet. Das Myokard ist einerseits für die Arteria mammaria interna eine ungewohnte Umgebung und andererseits ist die durch die Arteria mammaria interna angebotene Blutmenge für das gesunde Hundeherz unphysiologisch. Diese beiden Momente werden als Ursache für die besondere Beschaffenheit der anastomosierenden Gefäße verantwortlich gemacht. Ihre Ausbildung erfolgt vermutlich durch nerval gesteuerte Reflexmechanismen im Dienste funktioneller Anpassung, wobei wir uns zu letzterer Annahme auf Grund des histologischen Bildes berechtigt glauben.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 268 (1951), S. 243-250 
    ISSN: 1435-2451
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Zusammenfassung An Hand der histologischen Untersuchungen von 31 Operationspräparaten bei chronischer Obstipation wurden Veränderungen am Nervengewebe und Gefäßapparat der Darmwand beschrieben.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Journal of neural transmission 16 (1957), S. 375-383 
    ISSN: 1435-1463
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Report of 10 cases of stomac resection operated 9 months to 4 years after vagotomy. Beside peptic ulcers, scars after peptic ulcers and chronic gastritis extensive changes in the nervous system of the stomac wall were found. The alterations partly degenerative, partly proliferative were to be distinguished in some points from nervous changes in peptic ulcers, peptic scars and gastritis without vagotomy.
    Abstract: Résumé Rapport de 10 cas de résection gastrique exécutée 9 mois jusqu'à 4 ans après vagotomie. Outre des ulcères et cicatrices peptiques gastriques et duodénaux comme une gastrite chronique, des altérations marquées de l'appareil nerveux de la paroi de l'estomac furent observées. Il s'agissait surtout de changements dégénératifs et prolifératifs nerveux qui se distinguent partiellement des altérations nerveuses en cas d'ulcères et cicatrices peptiques et de gastrite sans vagotomie.
    Notes: Zusammenfassung Bericht über 10 Fälle von Magenresektion nach 9 Monate bis 4 Jahre vorher durchgeführter Vagotomie. Neben peptischen Geschwüren im Magen und Zwölffingerdarm oder Narben nach solchen, bzw. einer chronischen Gastritis ließen sich ausgedehnte Veränderungen am nervösen Apparat der Magenwand feststellen. Es handelte sich im wesentlichen sowohl um degenerative als auch proliferative Erscheinungen am vegetativen Nervensystem, die wir in einzelnen Punkten von denen, wie die in Magenresektionspräparaten ohne vorhergegangene Vagotomie beim Umcus pepticum gefundenen, Narben nach solchen oder bei Gastritis, abtrennen konnten.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 7 (1973), S. 583-608 
    ISSN: 0020-7608
    Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The (spin projected) extended Hartree-Fock equations are derived and discussed in the general (“many λi”) case. The derivation is based on the corresponding generalized Brillouin theorem, substituting in its expression the spin projected DODS Slater determinant as a linear combination of determinants. The expressions obtained for the elements of the different matrices εcd (c = a or b, and d = a or b) occurring in the equations are analyzed. The transformation of the equations into the form of a pseudoeigenvalue problem and the LCAO form of the equations are given, too. Finally the relation to the Goddard's GF equations is discussed in detail.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 8 (1974), S. 893-899 
    ISSN: 0020-7608
    Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The spin-projected extended Hartree-Fock equations discussed in Part I for an even number of electrons are given here for the odd-electron case.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 8 (1974), S. 363-372 
    ISSN: 0020-7608
    Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The spin projected extended Hartree-Fock equations for successive optimization of the orbitals are derived for the four-electron case and applied to butadiene in the PPP approximation. The method shows an excellent convergence and gives 91.4% of the correlation energy for the given model-Hamiltonian.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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