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  • 81.20.Lb  (2)
  • Frankia  (2)
  • Springer  (4)
  • Cell Press
  • 1
    Electronic Resource
    Electronic Resource
    Effects of particle packing on the sintered microstructure (1988)
    Springer
    Applied physics 45 (1988), S. 271-275 
    Details
    ISSN: 1432-0630
    Keywords: 81.20.Ev ; 81.20.Lb
    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 sintering process is shown to be critically dependent on particle-packing density and porosity uniformity. Sintering experiments were conducted on compacts consisting of monodisperse, spherical TiO2 particles. Densification kinetics and microstructure evolution for two initial packing densities, 55% and 69% of theoretical, were investigated. The lower-density compacts sintered rapidly to theoretical density, yet improved particle-packing density and uniformity significantly enhanced densification.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00617931
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Host-Frankia specificity within the Casuarinaceae (1986)
    Springer
    Plant and soil 93 (1986), S. 293-298 
    Details
    ISSN: 1573-5036
    Keywords: Casuarinaceae ; Frankia ; Nodulation ; Specificity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Fifteen species from three genera of the Casuarinaceae were inoculated with suspensions ofFrankia prepared from single nodule-lobes collected from different species and genera within the Casuarinaceae. Host-endophyte specificity was expressed mainly at the generic level. There was marked cross-inoculation within Casuarina and little nodulation ofCasuarina species from Allocasuarina sources with the exception of 3 sources ofFrankia fromA. torulosa which showed a high tendency to nodulateCasuarina species. Few sources from Casuarina nodulated species of Allocasuarina and while cross-inoculation within Allocasuarina was frequent it was less marked than within Casuarina. SomeFrankia inocula had wider host ranges than others, nodulating outside the genus or series of origin. It was not possible to determine if these apparent wider ranges in host spectra reflected genotypic differences betweenFrankia or were associated with the presence of more than oneFrankia strain in some inocula.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02374231
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  • 3
    Electronic Resource
    Electronic Resource
    Do single nodules of Casuarinaceae contain more than oneFrankia strain? (1985)
    Springer
    Plant and soil 88 (1985), S. 275-279 
    Details
    ISSN: 1573-5036
    Keywords: Casuarina equisetifolia ; Frankia ; Nodulation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Studies using inoculum suspensions prepared from single nodules of Casuarinaceae suggest that more than oneFrankia strain may be found in some nodules. Evidence is also presented to support the concept of intergeneric specificity in host-Frankia relations in the family Casuarinaceae.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02182454
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  • 4
    Electronic Resource
    Electronic Resource
    An investigation of catalytic activity in mixed metal oxide nanophase materials (1993)
    Springer
    The European physical journal 26 (1993), S. 46-50 
    Details
    ISSN: 1434-6079
    Keywords: 82.65.Jv ; 81.20.Lb
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We present preliminary evidence for catalytic activity by unsupported mixed metal oxide nanocrystalline materials. The results of this study show that a nanophase form of Li-MgO has begun to exhibit catalytic activity by 300 °C. This is at least 200 degrees below the temperature at which conventional Li-MgO catalysts exhibit comparable activity. Furthermore, at higher temperatures, the same nanophase composition shows enhanced activities and somewhat improved hydrocarbon selectivities over conventional Li-MgO catalysts.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01429104
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