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  • 1
    Electronic Resource
    Electronic Resource
    Thermoporosimetry (1996)
    Springer
    Journal of thermal analysis and calorimetry 46 (1996), S. 1177-1189 
    Details
    ISSN: 1572-8943
    Keywords: DSC ; mercury porosimetry ; pore size distribution ; porous glass ; thermoporosimetry ; water
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The pore size distributions (PSDs) of microporous glass, which were controlled by acid leaching subsequent to phase separation of CaO-Al2O3-B2O3-SiO2 glass, were determined via both mercury porosimetry and thermoporosimetry (thermal porosimetry). As a result, the pore radii, the cumulative pore volumes, and the surface areas determined via thermoporosimetry were in good agreement with those determined via mercury porosimetry. It was revealed that thermoporosimetry could be applied to pore structure analysis for porous materials having pore sizes at least up to 58 nm in radius.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01983628
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Newton’s Method and Frobenius–Dieudonné Theorem in Nonnormable Spaces (1997)
    Springer
    Applied categorical structures 5 (1997), S. 205-216 
    Details
    ISSN: 1572-9095
    Keywords: Newton’s method ; nonnormable spaces ; nonlinear operators ; nonlinear equations
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract We establish, via auxiliary categories, a version of Newton’s method applicable to nonnormable spaces. We illustrate it with an application to perturbation of functional equations on unbounded domains. Under suitable conditions, the known solution of the unperturbed equation initiates a sequence of Newton iterates that converges to the solution of the perturbed equation. The conditions posed are those required to make Newton’s method work. We also generalize the Frobenius–Dieudonné existence-uniqueness theorem for initial value problems for a vector variable.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008690318367
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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