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  • 1
    Electronic Resource
    Electronic Resource
    Plasma and surface modeling of the deposition of hydrogenated carbon films from low-pressure methane plasmas (1993)
    Springer
    Applied physics 56 (1993), S. 527-546 
    Details
    ISSN: 1432-0630
    Keywords: 52.25.Dg ; 79.20.Nc ; 82.65.Yh
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract The elementary mechanisms are described which determine the plasma and surface processes during the plasma-enhanced chemical vapour deposition of hydrogenated carbon films from methane. Corresponding model calculations are reviewed and critically discussed in comparison to experimental results. A realistic modeling requires the simultaneous and self-consistent treatment of plasma and surface effects. Several experimental data sets on plasma parameters and the growth and the composition of the films have been reproduced successfully. However, a broader experimental data base is needed for more critical tests of the models. The reliability of the modeling, in particular of the surface effects, is still limited due to the poor availability of elementary data.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00331402
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  • 2
    Electronic Resource
    Electronic Resource
    Hermetische Mikroelektronik-Verkapselungen in der Luft- und Raumfahrt zur Vermeidung von Korrosion (1993)
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 44 (1993), S. 124-129 
    Details
    ISSN: 0947-5117
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Corrosion-resistant, hermetic microelectronic packages for aerospace applicationsCorrosion-resistant, high reliable aerospace electronics need expensive ceramic substrates, noble metal conductors and very clean stainless steel or ceramic packages. The requirements, material technologies, problems and more economical packages are described.
    Notes: Zur Vermeidung von Korrosionsschäden an Sicherheitselektroniken der Luft- und Raumfahrt sowie der Wehrtechnik werden vorzugsweise Keramik-Substrate und Edelmetall-Leiter sowie völlig feuchte- und salzfreie, hermetisch verschlossene Metall oder Keramikgehäuse verwendet. Die Anforderungen, Materialien, Technologien und Probleme der hermetischen Mikroelektronik-Verpackung wird im folgenden Aufsatz näher beschrieben werden.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/maco.19930440404
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  • 3
    Electronic Resource
    Electronic Resource
    Structural and functional differentiation of the embryonic chick pineal organ in vivo and in vitro (1990)
    Springer
    Cell & tissue research 260 (1990), S. 337-348 
    Details
    ISSN: 1432-0878
    Keywords: Pineal organ ; Organ culture ; Pinealocytes ; Differentiation ; Melatonin ; Radioimmunoassay ; Chick embryo
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The development of sensory structures in the pineal organ of the chick was examined by means of scanning electron microscopy from embryonic day 10 through day 12 post-hatching. At embryonic day 10, the wall of the tubules within the pineal primordium is composed of cells with unspecialized luminal surface. Differentiation of sensory structures starts at embryonic day 12 when pinealocytes and supporting cells can be distinguished. Pinealocytes are recognized by virtue of an inner segment only rarely endowed with a cilium, whereas supporting cells exhibit numerous short microvilli. Further differentiation of the sensory apparatus is achieved by development of an oval-shaped, biconcave swelling at the tip of the cilium, 1×2 μm in size, and a collar of long microvilli at the base of the inner segment. Membrane specializations of sensory cilia, however, were not detected. Since during embryonic life new tubules and follicles are continuously formed, all stages of differentiation of sensory structures are found in the chick pineal organ during the second half of the incubation period and the first two weeks after hatching. In 200-μm-thick Vibratome sections of chick-embryo pineal organs cultured in medium BM 86 Wissler for periods up to 13 days the cytodifferentiation parallels the development in vivo. Using an organ-culture system the 24-h release of melatonin into the culture medium was measured by means of radioimmunoassay after solid-phase extraction. At embryonic day 10, the 24-h secretion of melatonin was at the lower range of detection of the RIA (5 pg). The rapid increase in 24-h secretion in melatonin until hatching (∼50 μg) is approximated by an exponential curve.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00318636
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  • 4
    Electronic Resource
    Electronic Resource
    I. Ueber Dinitrophenylpyridiniumchlorid und dessen Umwandlungsproducte (1904)
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 333 (1904), S. 296-345 
    Details
    ISSN: 0075-4617
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jlac.19043330212
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  • 5
    Electronic Resource
    Electronic Resource
    Untersuchung von CuGaSe2 und CuGaTe2 unter hohem Druck (1983)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 504 (1983), S. 155-162 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Investigation of CuGaSe2 and CuGaTe2 under High PressureThe X-ray powder diffraction analysis at 300 K in dependence on the pressure gives a transition from the chalcopyrite-type to the NaCl structure for CuGaSe2 at 12.5 GPa and for CuGaTe2 at 8 GPa. The phase transition is associated with a discontinuity of the volume of 8.6 and 3.8%. These results were discussed in relation to other tetrahedrally coordinated compounds.
    Notes: Röntgenuntersuchungen bei 300 K in Abhängigkeit vom Druck ergaben, daß CuGaSe2 bei 12,5 GPa und CuGaTe2 bei 8 GPa von der Chalcopyrit-Struktur in die NaCl-Struktur übergehen. Dabei tritt ein Volumensprung von 8,6 bzw. 3,8% auf. Diese Ergebnisse werden im Zusammenhang mit Hochdruckuntersuchungen an anderen tetraedrisch koordinierten Verbindungen diskutiert.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19835040920
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  • 6
    Electronic Resource
    Electronic Resource
    Die Vorgänge bei der Gerbung I (1920)
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 33 (1920), S. 221-223 
    Details
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ange.19200337602
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  • 7
    Electronic Resource
    Electronic Resource
    Die Vorgänge bei der Gerbung. II (1922)
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 35 (1922), S. 153-154 
    Details
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ange.19220352602
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  • 8
    Electronic Resource
    Electronic Resource
    Die Vorgänge bei der Gerbung. II (1922)
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 35 (1922), S. 160-163 
    Details
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ange.19220352703
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  • 9
    Electronic Resource
    Electronic Resource
    Zur Analyse der Kieselfluorwasserstoffsäure (1906)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 39 (1906), S. 3693-3696 
    Details
    ISSN: 0365-9496
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19060390432
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