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  • 1980-1984  (2)
  • 1975-1979
  • 1983  (2)
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  • 1980-1984  (2)
  • 1975-1979
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Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Decomposition processes in Al-Zn-Mg alloys (1983)
    Springer
    Journal of materials science 18 (1983), S. 2215-2240 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract This review surveys the present knowledge of the mechanisms of decomposition processes in Al-Zn-Mg alloys. The various experimental observations connected with the formation and properties of the different second phase particles are described and critically analysed. The effect of different heat treatments, compositions, impurities, etc on the different stages of the decomposition process is discussed in detail.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00541825
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Changes of the benthic fauna of the profundal zone of Traunsee (Austria) due to salt mining activities (1983)
    Springer
    Hydrobiologia 103 (1983), S. 135-139 
    Details
    ISSN: 1573-5117
    Keywords: paleolimnology ; Traunsee ; artificial meromixis ; ostracods
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Traunsee is the deepest (189 m) lake in Austria and has been holomictic until the beginning of industrial discharges from the alkali works in Ebensee. The input of soluble compounds such as CaCl2 and NaCl have produced meromictic conditions. The relatively high oxygen content of the monimolimnion is due to water movements promoted by the large inflow and wind-action. The industrial discharges have caused both meromictic conditions and the deposition of highly alkaline sediment in the southern portion of the profundal zone. The effect of the discharges on the benthic fauna was evaluated by comparing the subfossil benthic fauna of four cores taken inside and outside the affected area. The ostracod fauna resembles that of other large lakes in the Salzkammergut, but also includes groundwater species such as Kovalevskiella and Cypridopsis subterranea. Leucocythere mirabilis has been found for the first time in an Austrian lake. Ostracods and other benthic organisms such as Testacea were not apparently influenced by the meromictic condition. They are, however, missing in all areas covered by the alkaline sludge.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00028441
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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