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  • Articles  (4)
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  • Springer  (4)
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  • 2015-2019
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  • 1980-1984  (4)
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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Oxidation of metals 19 (1983), S. 117-127 
    ISSN: 1573-4889
    Keywords: Oxidation ; nucleation ; orientation ; electron microscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Electron microscopy investigations have been conducted on the oxides formed on Fe and Fe-Cr alloys at elevated temperatures (700–800
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Colloid & polymer science 261 (1983), S. 15-25 
    ISSN: 1435-1536
    Keywords: Blockpolymer ; interphase ; electron microscopy ; dynamic viscoelastic behaviour ; mechanical model calculation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract A method is described to prepare poly[isoprene-b-(isoprene-co-styrene)-b-styrene] threeblock polymers with variable interphase thickness by anionic polymerization. At constant overall molecular weight the total interlayer content multiply exceeds that of normal blockpolymers. At high copolymer content three-phase systems are obtained. The morphology is examined by electron microscopy under various staining conditions. The dynamic viscoelastic behaviour, determined with torsion pendulum experiment, has been simulated for lamellar two-and three-phase systems with different contents of copolymer material. A new interpretation of theT g depression of the hard phase is given in terms of a cooperative softening of the pure hard phase and surface interlayer material.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1435-1536
    Keywords: Differential-scanning-calorimetry ; electron microscopy ; ripple structure ; phospholipid mixtures ; phase diagram
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Abstract By means of differential scanning calorimetry and electron microscopy the miscibility properties of the system dipalmitoyllecithin/dipalmitoyl-N-methyl-cephaline/ water (50 wt-% water) was studied. In theL α-phase (high temperature phase) both phospholipids were completely miscible. On the other hand in the low temperature phases demixing occurs in the concentration range fromx MPE≅0.05 tox MPE≅0.35. The electron microscopy confirms these results. The electron microscopic pictures showed the ripple structure of theP β phase.
    Notes: Zusammenfassung Kalorimetrische Messungen am pseudobinären System Dipalmitoyllecithin/Dipalmitoyl-N-methyl-kephalin im wasserreichen Konzentrationsgebiet (50 Gew. % Wasser) ergaben vollständige Mischbarkeit in derL α-Phase (Hochtemperaturphase) und partielle Entmischung (x MPE≅0.05–0,35) in den Tieftemperaturphasen. Die Mischungsbzw. Entmischungsgebiete in den Tieftemperaturphasen konnten durch die Rippenstruktur derP β-Phase elektronenmikroskopisch nachgewiesen werden.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Colloid & polymer science 261 (1983), S. 171-175 
    ISSN: 1435-1536
    Keywords: shape of micelles ; drag reduction ; electron microscopy ; rheology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract It is well known that a small addition of some substances to a fluid is the cause of Toms effect. In order to explain this effect various theories have been proposed which take into consideration the shape of microparticles in the additives (macromolecules and soapmicelles). We have investigated the shape and the size of micelles or their aggregates of a complex soap consisting of two components: carboetoxypentadecyltrimethylammonium bromide andα-naphthol. The electron microscope was used for direct observations. The shape of micelles was estimated indirectly from rheometric measurements. The direct observation shows that there exists a great variety of shapes and sizes while rheology indicates that the micelles are fibrillous. The smallest observed micelles of the shape of sticks have dimensions of ca. 0.05×0.01μm and the smallest globules approximately 0.02μm.
    Type of Medium: Electronic Resource
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