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  • 1
    Electronic Resource
    Electronic Resource
    Dynamics of a drop of magnetic liquid in a rotating magnetic field (1997)
    Springer
    JETP letters 65 (1997), S. 160-165 
    Details
    ISSN: 1090-6487
    Keywords: 75.50.Mm ; 66.20.+d
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We report the first observation of the breakup of a rotating drop suspended in a viscous liquid. To produce the motion, a magnetic liquid is used as the material of the drop and the entire system is placed in a uniform, rotating, low-frequency magnetic field. The frequency dependence of the breakup of the drop into two smaller drops is investigated. A theoretical description is given for small Reynolds numbers. The drop is assumed to be ellipsoidal. The flow in the exterior and interior regions and the drag coefficient of the liquid ellipsoid with respect to rotational motion are calculated. A criterion for breakup of the drop is estimated and a comparison is made with experimental data.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1134/1.567305
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Tautomerism and vapor-phase transformations of 2-hydroxytetrahydrofuran (2000)
    Springer
    Chemistry of heterocyclic compounds 36 (2000), S. 775-778 
    Details
    ISSN: 1573-8353
    Keywords: 2-hydroxytetrahydrofuran ; 4-hydroxybutanal ; 2,3-dihydrofuran ; tautomerism ; dehydration ; AM1 method ; concerted mechanism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The relative stability of 2-hydroxytetrahydrofuran and the tautomeric 4-hydroxybutanal was determined by the semi-empirical AM1 method. It was concluded that the cyclic tautomer predominates in the gas phase at 25°C. Vapor-phase dehydration of 2-hydroxytetrahydrofuran in the presence of porcelain and silica gel L leads to a quantitative yield of 2,3-dihydrofuran.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02256908
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    Paper (German National Licenses)
    Fulltext
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