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  • Barley  (1)
  • FLUID MECHANICS AND HEAT TRANSFER
  • ddc:330
  • 1995-1999  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Homology of AFLP products in three mapping populations of barley (1997)
    Springer
    Molecular genetics and genomics 255 (1997), S. 311-321 
    Details
    ISSN: 1617-4623
    Keywords: Key words AFLP ; Barley ; Product homology ; Linkage maps
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Segregation of 850 polymorphic AFLP (amplified fragment length polymorphism) fragments was followed in three different doubled haploid (DH) barley populations, Dicktoo × Morex (DM), Igri × Franka (IF) and Blenheim × E224/3 (BE), which had previously been used to construct linkage maps using other molecular markers. The final maps consisted of 310, 655 and 474 markers, of which 234, 194 and 376, respectively, were AFLPs. A comparison of profiles from the parental lines identified 51 similar-sized AFLPs segregating in both DM and IF populations, 20 in the DM and BE populations and 18 in the IF and BE populations. Eight segregated in all three. Analysis of the complete datasets for each of the populations using Joinmap V.2. indicated that in general terms each of the AFLPs which were polymorphic in more than one population mapped to the same genetic locus. The number of co-dominant markers segregating in a single population ranged from 6% for DM to 12.6% for IF. These results are discussed in the context of using AFLP in genetic linkage and diversity studies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004380050502
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    Paper (German National Licenses)
    Fulltext
  • 2
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    Effect of turbulence models on criticality conditions in swirling flows (1995)
    In:  CASI
    Details
    Publication Date: 2013-08-31
    Description: The critical state of vortex cores downstream of vortex breakdown has been studied. Base vortical flows were computed using the Reynolds-averaged, axisymmetric Navier-Stokes equations. Standard K - epsilon, RNG and second-order Reynolds stress models were employed. Results indicate that the return to supercriticality is highly dependent on the turbulence model. The K - epsilon model predicted a rapid return of the vortex to supercritical conditions, the location of which showed little sensitivity to changes in the swirl ratio. The Reynolds stress model predicted that the vortex remains subcritical to the end of the domain for each of the swirl ratios employed, and provided results in qualitative agreement with experimental work. The RNG model produced intermediate results, with a downstream movement in the critical location with increasing swirl. Calculations for which area reductions were introduced at the exit in a subcritical flow were also performed using the Reynolds stress model. The structure of the resulting recirculation zone was altered significantly. However, when area reductions were employed within supercritical flows as predicted using the two-equation models, no significant influence on the recirculation zone was noted.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: NASA. Lewis Research Center, The Sixth Annual Thermal and Fluids Analysis Workshop; p 163-173
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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