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  • 1
    Electronic Resource
    Electronic Resource
    Well log interpretation and seismic character of the cenozoic sequence in the northern Alboran Sea (1992)
    Springer
    Geo-marine letters 12 (1992), S. 129-136 
    Details
    ISSN: 1432-1157
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract Seismic stratigraphic and main lithological features of the sedimentary cover overlying the basement of the Alboran Sea were established via the analysis of commercial multichannel seismic surveys, geophysical well logs, and well data. Six seismic stratigraphics units (VI to I), bounded by unconformities, form the marine sediments that range in age from early Miocene to Quaternary. They are dated by extrapolation of commercial drilling results from the northern Alboran Sea. Volcanic activity is recorded within sedimentary sequences of units V to II. Undercompaction features are detected in the two basal units.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02084923
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Neogene tectonic evolution of the Alboran Sea from MCS data (1992)
    Springer
    Geo-marine letters 12 (1992), S. 157-164 
    Details
    ISSN: 1432-1157
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract The structural framework of the northern Alboran Sea is one of a series of grabens or half-grabens developed during various Miocene rifting stages. MCS profiles and well data reveal early to late Miocene seismo-stratigraphic units affected by rifting. Three rifting episodes—latest Aquitanian-Burdigalian, Langhian-Serravalian, and Tortonian-are postulated to have caused significant extension and crustal thinning beneath the Alboran Sea. The middle Miocene episode led to major depocenters and triggered mud diapirism. Post-Tortonian tectonics modified the architecture of the Miocene Alboran Basin and formed the present structure, seafloor morphology, and boundaries of the Alboran Sea.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02084927
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Influence of migration of plasticizer during melt mixing on the transitions and properties of PC/CAB blends (1990)
    Bognor Regis [u.a.] : Wiley-Blackwell
    Journal of Polymer Science Part B: Polymer Physics 28 (1990), S. 1015-1031 
    Details
    ISSN: 0887-6266
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Static and dynamic mechanical properties, morphology, and thermal behavior of polycarbonate (PC)/plasticized cellulose acetobutyrate (CAB) blends were investigated to determine whether the plasticizer of the CAB modifies the miscibility of the blend and the mechanical properties of this essentially incompatible blend. In spite of the lack of transparency of the blends, both dynamic mechanical and thermal analysis results show the presence, at all blend compositions studied, of a single glass transition temperature which varies with the composition of the blend. Considering the ternary nature of the blends, we propose that plasticizer migration and the difficulty of discerning the presence of one or two peaks in a narrow temperature range may account for the observed behavior. Scanning electron microscopy confirms the immiscibility of the blends. The blends show large positive deviations of the tensile moduli from linearity and very low ductility. The reported tensile strength data are discussed in terms of several different equations for composites. This mechanical behavior is explained as a consequence of the migration of the plasticizer and of its subsequent antiplasticizing effect on the properties of the blend.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/polb.1990.090280703
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Physical and mechanical behavior of tetraglycidyl diaminodiphenyl methane (TGDDM)/m-phenylene diamine (m-PDA) epoxy systems (1992)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 46 (1992), S. 147-166 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: The rheological behavior of a tetraglycidyl diaminodiphenyl methane with a tetrafunctional aromatic diamine has been studied in terms of the influence of curing agent content and temperature. In this work, critical times corresponding to gelation are used as a measure of activation energy. The dynamic mechanical behavior has been used to analyze the curing extent of these epoxy systems with different amine contents before and after thermal posttreatment. The β-relaxation peak temperature is found to increase with the curing agent content and also after thermal posttreatment. This has been related to the rise of crosslinking extent. Dependence of flexural mechanical properties on curing agent content and the postcure process has also been determined.
    Additional Material: 13 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1992.070460115
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    Paper (German National Licenses)
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