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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Bulletin of environmental contamination and toxicology 52 (1994), S. 878-885 
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-2277
    Keywords: Liver transplantation, morphometry, eosinophils
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Histology of liver allografts is the gold standard for diagnosis of acute cellular rejection. However, scoring the severity of rejection and distinguishing it from other infiltrations is not easy. Only one group has evaluated biopsies morphometrically and also suggested that eosinophils are a specific diagnostic feature. We quantitated eosinophil count in 92 biopsies in a group of 25 patients and, in another group of 30 patients, used morphometric image analysis to measure the cross-sectional area and cell density in each portal tract in day 5 protocol liver biopsies. Rejection was diagnosed by pathological evaluation confirmed with clinical and biochemical graft dysfunction graded histologically into mild or moderate-to-severe. The control groups were five patients with no rejection, nine patients with CMV infection, and eight biopsies in eight patients for whom the cause of the liver dysfunction was obscure. The cross-sectional area, the inflammatory cell count of each portal tract and the mean portal tract inflammatory cell density (cells/mm2) increased with the severity of rejection. In each case the regression coefficient was statistically signifinant. Correlating the mean of the total inflammatory cell count with the mean of the portal inflammatory cell density (cell/mm2) gave far better separation of the mild rejection and moderate-to-severe rejection groups. Eosinophils were specific for the presence of acute cellular rejection and increased with the severity of rejection. They were absent in the no rejection group, in the CMV group and in those with obscure liver dysfunction. The eosinophil count fell markedly following treatment of rejection. We conclude that morphometric image analysis can be used to quantify acute cellular rejection and that eosinophils can be specific feature of acute cellular rejection.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Acta mechanica 15 (1972), S. 1-19 
    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: Zusammenfassung Für das im Titel genannte Problem werden die Navier-Stokes-Gleichungen nach einer vonSparrow, Lin, undLundgren vorgeschlagenen Methode linearisiert, wodurch die Grundgleichungen Integral-Differentialgleichungen werden. Für den Fall zweier gleichförmiger Strahlen, von denen jeder eine Hälfte des Kreisrohres einnimmt, wird eine exakte Lösung gefunden. Weiters wird eine Variations-Formulierung desselben Problems angegeben, die der Differential-Formulierung vollkommen äquivalent ist. Näherungslösungen dieser Variationsmethode werden erhalten, und es zeigt sich, daß eine einfache zweigliedrige Näherung ausgezeichnete Übereinstimmung mit der exakten Lösung zeigt.
    Notes: Summary This paper is concerned with the problem of confined laminar jet-mixing in a circular channel. The Navier-Stokes equations are linearized patterned after an approach proposed bySparrow, Lin, andLundgren in their study of laminar flow development in a channel. After linearization, the governing equation becomes an integro-differential equation. The exact solution is found for the case of two uniform streams each occupying half of a circular channel. Additionally a variational formulation of the same problem is established, completely equivalent to the differential formulation. This variational formulation is constructed based upon the use of convolutions. Approximate variational solutions are obtained. It develops that a simple two-term approximation gives excellent agreement with the exact solution.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 326 (1984), S. 381-384 
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 9-Anthraldehyde (1), under the conditions of a benzoin condensation, yields 9-anthracenecarbonitrile (2). 9-Cyano-10-anthraldehyde (6) has been shown to be the likely intermediate in this reaction. Mesitaldehyde (7), under similar conditions, yields 2-hydroxy-2-mesitylethanoic amide (8).
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
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