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  • 1975-1979  (4)
Document type
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Cellular and molecular life sciences 31 (1975), S. 31-32 
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Résumé On a fait croître du tissue de la moelle du tabac (Nicotiana tobacum) dans l'agar nourrissant ou dans un liquide contenant des minéraux basique et des hormones végétales. La croissance du tissu médullaire se montra directement dépendante de la kinétine contenue dans le milieu. La teneur en ATP du tissu a varié. On estime que celle de la moelle dépend de la croissance et de la division cellulaire affectées par la kinétine dans le milieu nutritif.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Acta mechanica 28 (1977), S. 177-200 
    ISSN: 1619-6937
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Description / Table of Contents: Summary This paper deals with the equalizing (secondary) flows in a two-dimensional channel in which the flows are limited by an infinite and a semi-infinite wall move forward at different speeds. On this flow the initial Couette-type, upstream flow in the closed part of the channel develops into a zero-shear flow far downstream of the edge (open to the atmosphere) of the semi-infinite wall. A method of matched asymptotic expansions is used to calculate the shape of the free surface and the boundary layer growth for several different initial velocity profiles. The description of this flow requires the use of higher order terms which the assumptions made in the traditional boundary layer theory not satisfied here. Therefore a theory of “higher order” is necessary. A separate theory is used to study the flow equalization far downstream when the boundary layer fills the whole flow cross-section.
    Notes: Zusammenfassung Es werden die Ausgleichsströmungen in einem halbseitig gegen die Atmosphäre offenen Schleppkanal untersucht, welche die Couette-Grundströmungen — im geschlossenen Teil des Kanals — stromab in Starrkörper-Translationen überführen. Für verschiedene Grundströmungen wird jeweils die Form der freien Oberfläche und die sich dort ausbildende Grenzschicht durch asymptotische Entwicklungen nach großen Re-Zahlen beschrieben, wobei auch Glieder höherer Ordnung benötigt werden, die die Voraussetzungen der klassischen Grenzschichttheorie (Grenzschichtvereinfachungen) verletzen. Deshalb werden im Rahmen einer Theorie „höherer Ordnung” die klassischen Lösungen gerechtfertigt. Wenn die Grenzschicht schließlich den ganzen Strömungsquerschnitt ausfüllt, wird die weitere Vergleichmäßigung der Strömung durch eine separate Theorie beschrieben.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Digestive diseases and sciences 20 (1975), S. 214-222 
    ISSN: 1573-2568
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Four cases of clindamycin-associated colitis have recently been observed at Kansas University Medical Center. There have been a few reports in the literature of colitis associated with this antibiotic, and our 4 cases are similar to those noted previously. All had the onset of diarrhea 7–14 days following the initiation of clindamycin therapy; the diarrhea persisted for weeks after the drug was discontinued. Mucosal changes ranged from focal ulceration to pseudomembrane formation. Diarrhea in a patient on clindamycin should alert the physician to the possibility of antibiotic induced colitis, a condition with significant morbidity and occasional mortality.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Digestive diseases and sciences 20 (1975), S. 1094-1095 
    ISSN: 1573-2568
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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