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  • Coal hydrogenation  (1)
  • Fatty acids  (1)
  • Springer  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Mechanochemical activation of iron ore-based catalysts for the hydrogenation of brown coal (2000)
    Springer
    Materials research innovations 3 (2000), S. 340-346 
    Details
    ISSN: 1433-075X
    Keywords: Keywords Catalysts ; Iron ore ; Mechanical activation ; Coal hydrogenation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract  Genesis of pyrrhotite catalysts from different iron ore concentrates and pure iron oxides was investigated using the method of mechanochemical treatment in a planetary mill. The dispersion and fine crystalline structure of oxide and pyrrhotite particles were studied as the function of mechanical load, sulfiding temperature and mode of preparation. Methods for the preparation of high performance iron ore-based catalysts for brown coal hydrogenation have been developed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s100190000059
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  • 2
    Electronic Resource
    Electronic Resource
    Evolutionary relationship of some stalked and budding bacteria (genera Caulobacter, “Hyphobacter”, Hyphomonas and Hyphomicrobium) as studied by the new integral taxonomical method (1990)
    Springer
    Archives of microbiology 153 (1990), S. 123-128 
    Details
    ISSN: 1432-072X
    Keywords: Oligotrophic bacteria ; Caulobacter ; “Hyphobacter” ; Hyphomonas ; Hyphomicrobium ; Antibiotic sensitivity ; Evolution ; Fatty acids ; Lipids ; Taxonomy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A new approach was developed for the determination of taxonomic and evolutional relationships among four genera of oligotrophic bacteria. The main idea of this approach is the algorithmized integrative analysis of the morphological and physiological specificity of these bacteria, their 5S rRNA sequences, fatty acid and lipid composition of their membranes, as well as their sensitivity to a large variety of antibiotics. It was shown that the genera Caulobacter and Hyphomonas are closely related to each other, but they are both distant from Hyphomicrobium species. The new genus, “Hyphobacter”, is placed between Caulobacter and Hyphomonas. Taxonomic heterogeneity was found to exist within the genera Caulobacter and Hyphomicrobium. Evolutional pathways from Caulobacter to Hyphomicrobium are proposed on the basis of the present data. No correlations were found between the cell morphology of the organisms and their geno-and chemotaxonomy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00247808
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    Paper (German National Licenses)
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