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  • 1
    facet.materialart.
    Unbekannt
    Multifractality and spatial statistics (1999)
    In:  Computers and Geosciences, Taipei, Elsevier, vol. 25, no. 9, pp. 949-961, pp. B09401, (ISBN: 0-12-018847-3)
    Details
    Publikationsdatum: 1999
    Schlagwort(e): FractureT ; Statistical investigations ; C&G
    Standort Signatur Erwartet Verfügbarkeit
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    BIBLIOGRAFIE SEISMOLOGIE
  • 2
    facet.materialart.
    Unbekannt
    The gliding box method for multifractal modelling (1999)
    In:  Computers and Geosciences, Taipei, Elsevier, vol. 25, no. 9, pp. 1073-1079, pp. B09401, (ISBN: 0-12-018847-3)
    Details
    Publikationsdatum: 1999
    Schlagwort(e): FractureT ; C&G
    Standort Signatur Erwartet Verfügbarkeit
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    BIBLIOGRAFIE SEISMOLOGIE
  • 3
    facet.materialart.
    Unbekannt
    Introduction to special issue on fractals and multifractals (1999)
    In:  Computers and Geosciences, Dresden, H.-J. Vogt, vol. 25, no. 9, pp. 947-948
    Details
    Publikationsdatum: 1999
    Schlagwort(e): FractureT ; Review article ; C&G
    Standort Signatur Erwartet Verfügbarkeit
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    BIBLIOGRAFIE SEISMOLOGIE
  • 4
    Digitale Medien
    Digitale Medien
    Kinetic Studies on the Thermal Dissociation of β-Cyclodextrin·Ethyl Benzoate Inclusion Complexes (1998)
    Springer
    Journal of thermal analysis and calorimetry 54 (1998), S. 947-956 
    Details
    ISSN: 1572-8943
    Schlagwort(e): β-cyclodextrin ; ethyl benzoate ; inclusion complex ; kinetics ; thermal decomposition
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Notizen: Abstract The stability of β-cyclodextrin·ethyl benzoate·6H2O(β-CD·C6H5COOC2H5·6H2O) was investigated by TG and DSC. The mass loss takes place in three stages: the dehydration occurs at 50-120°C; the dissociation of β-CD·C6H5COOC2H5occurs at 200-260°C; the decomposition of β-CD begins at 280°C. The kinetics of the dissociation of β-CD·C6H5COOC2H5in a dry nitrogen flow was studied by means of thermogravimetry both at constant temperature and linearly increasing temperature. The results show that the dissociation of β-CD·C6H5COOC2H5is dominated by a three-dimensional diffusion process (D3). The activation energy E is 116.19 kJ mol-1and the pre-exponential factor A 6.5358·109min-1. Cyclodextrin is able to form inclusion complexes with a great variety of guest molecules, and the studies focus on the energy of binding between cyclodextrin and the guest molecule. In this paper, the β-cyclodextrin·ethyl benzoate inclusion complex was studied by fluorescence spectrophotometry and infrared absorption spectroscopy, and the results show that the stable energy of inclusion complexes of β-CD with weakly polar guest molecules consists mainly of van der Waals interaction.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1010129028436
    Standort Signatur Erwartet Verfügbarkeit
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    Artikel (Nationallizenzen)
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  • 5
    Digitale Medien
    Digitale Medien
    Mechanism and Kinetics of Thermal Dissociation of Inclusion Complex of Benzaldehyde with β-Cyclodextrin (1998)
    Springer
    Journal of thermal analysis and calorimetry 53 (1998), S. 825-833 
    Details
    ISSN: 1572-8943
    Schlagwort(e): benzaldehyde ; β-cyclodextrin ; inclusion complex ; kinetics ; mechanism ; thermal dissociation
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Notizen: Abstract The inclusion complex of benzaldehyde (BA) with β-cyclodextrin (β-CD) was prepared and was studied by thermal analysis and X-ray diffractometry. The composition of the complex was identified by TG and elemental analysis as β-CD·BA·9H2O. TG and DSC studies showed that the thermal dissociation of β-CD·BA·9H2O took place in three stages: dehydration in the range 70-120°C; dissociation of β-CD·BA in the range 235-270°C; and decomposition of β-CD above 280°C. The kinetics of dissociation of β-CD·BA in flowing dry nitrogen was studied by means of TG both at constant temperature and at linearly increasing temperature. The results showed that the dissociation of β-CD·BA was dominated by a one-dimensional random nucleation and subsequent growth process (A2). The activation energy E was 124. 8 kJ mol-1, and the pre-exponential factor A 5.04·1011 min-1.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1010142828201
    Standort Signatur Erwartet Verfügbarkeit
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    Artikel (Nationallizenzen)
    Volltext
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