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  • 1
    Electronic Resource
    Electronic Resource
    Über Reaktionen fester Stoffe: 124. Mitteilung. Der Verlauf der Frittungsvorgänge in Kupferpulvern (1941)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 247 (1941), S. 221-248 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Verschiedene Anteile eines sehr reinen, fein dispersen Kupferpulvers werden unter konstanten Bedingungen im Wasserstoffstrom auf verschieden hohe Temperaturen erhitzt. Nach dem Abkühlen wird das mikroskopische Bild, das Röntgenogramm, die pyknometrische Dichte, das Schüttvolumen, die Lösbarkeit in verdünnter Salpetersäure, die elektromotorische Kraft, die Reaktivität gegen eine Silbernitratlösung, die Adsorptionsisotherme gegenüber Methanoldampf und die katalytische Wirksamkeit gegenüber dem Zerfall von Wasserstoffperoxyd bestimmt. Aus den Ergebnissen und einigen Rechenwerten derselben wird versucht, den Verlauf der Frittungsvorgänge zu beschreiben.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19412470305
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Radially symmetric global classical solutions of non-linear wave equations (1993)
    Chichester, West Sussex : Wiley-Blackwell
    Mathematical Methods in the Applied Sciences 16 (1993), S. 131-149 
    Details
    ISSN: 0170-4214
    Keywords: Mathematics and Statistics ; Applied Mathematics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics
    Notes: The Cauchy problem for semilinear wave equations utt - Δu + h(|x|)up = 0 with radially symmetric smooth ‘large’ data has a unique global classical solution in arbitrary space dimensions if h is non-negative and p any odd integer provided the smooth factor h vanishes with sufficiently high order at the origin and is bounded together with its derivatives.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mma.1670160206
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  • 3
    Electronic Resource
    Electronic Resource
    Local Solutions of Semilinear Wave Equations in Hs+1 (1996)
    Chichester, West Sussex : Wiley-Blackwell
    Mathematical Methods in the Applied Sciences 19 (1996), S. 145-170 
    Details
    ISSN: 0170-4214
    Keywords: Engineering ; Numerical Methods and Modeling
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics
    Notes: The Cauchy problem for the wave equation with power type non-linearity ±∣u∣σ*u and data in Hs+1(∝n)×Hs(∝n) is considered, where 0〈s〈(n/2)-1 and n≥3. Under the growth restriction σ*≤4/(n-2-2s) in many cases the existence of a local solution with u(t)∊Hs+1(∝n) is shown which is unique in a closely related class.
    Type of Medium: Electronic Resource
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