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  • 1
    Electronic Resource
    Electronic Resource
    Production and characterization of interspecific hybrids between Brassica maurorum and crop brassicas (1999)
    Springer
    Theoretical and applied genetics 98 (1999), S. 608-613 
    Details
    ISSN: 1432-2242
    Keywords: Key words Brassica maurorum ; Crop brassicas ; Embryo rescue ; Wide hybrids ; Amphidiploids
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  Seven interspecific hybrids were produced between Brassica maurorum (♀), a wild species resistant to Alternaria blight and white rust, and all the monogenomic (B. campestris, B. nigra and B. oleracea) and digenomic (B. juncea, B. napus and B. oleracea) crop brassicas (♂) through embryo rescue. The hybrids were confirmed by means of morphological and cytological studies. All the hybrids were pollen-sterile. Amphidiploids were induced in three of the hybrids: B. maurorum×B. napus, B. maurorum×B. carinata, B. maurorum×B. nigra. The hybrids were also confirmed through DNA analyses for nuclear and organelle genomes using RAPD and RFLP techniques.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001220051111
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    Paper (German National Licenses)
    Fulltext
  • 2
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    Flow energizer flight tests on a light twin aircraft (1987)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Experiments were conducted to explore the use of flow energizers (i.e., horizontally mounted vortex generators), using a special instrumentation subsystem installed on a light twin aircraft. The data, collected for energizer configurations with convergence ratios of 1.2, 1.5, and 1.7, included measurements of pressure on the wing surface, velocity components in the wake of the energizer, and forces on the flow energizer itself. Surface pressure data showed that flow energizer effects are highly localized. The energizer with the smallest convergence ratio tested produced an energizer lift/drag ratio about 75 percent lower that that of the other two configurations. For highly swept planforms, cambered energizers with overlaps of the order of 12-15 percent of the local chord provide the best results.
    Keywords: AIRCRAFT DESIGN, TESTING AND PERFORMANCE
    Type: AIAA PAPER 87-0083
    Format: text
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    NASA TECHNICAL REPORTS
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