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  • Composite Materials  (1)
  • Gilia millefoliata  (1)
  • 2010-2014
  • 2000-2004  (2)
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  • 2010-2014
  • 2000-2004  (2)
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  • 1
    ISSN: 1615-6110
    Keywords: Polemoniaceae ; Gilia millefoliata ; Gilia laciniata ; Long-distance dispersal ; Baker's Rule ; ITS sequence
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Although separated by 7000-km,Gilia millefoliata, a rare annual plant from California and Oregon coastal dunes andG. valdiviensis, a rare Chilean coastal endemic are morphologically and ecologically quite similar. Their disjunct distribution was proposed to result from recent, birdmediated, intercontinental long-distance dispersal. Both species are morphologically similar to the abundant and ecologically diverse South American taxonG. laciniata. The relationship among these three taxa was investigated using DNA sequence from the nuclear ribosomal (ITS) and chloroplasttrnL regions, as well as isozyme and morphological variation to determine the roles of long-distance dispersal and ecological adaptation in the evolution of the group. These data suggest that aG. millefoliata-like ancestor underwent long-distance dispersal to South America, and there gave rise to the narrow endemicG. valdiviensis and the widespreadG. laciniata.
    Type of Medium: Electronic Resource
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  • 2
    Publication Date: 2019-07-13
    Description: This viewgraph presentation provides an overview of research being conducted on the use of C-SiC composite structures for actively cooling rocket nozzles. Potential payoffs and design constraints are discussed. Other topics covered include: testing parameters, material selection, thermal analysis of joined tube structure, pressure containment, H2O2 combustion testing, and cooled re-entry.
    Keywords: Composite Materials
    Type: 27th Annual Conference on Ceramic, Metal and Carbon Composites; Jan 27, 2003 - Jan 30, 2003; Cocoa Beach, FL; United States
    Format: text
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