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Träfflista för sökning "WFRF:(Davies C) srt2:(2000-2004)"

Sökning: WFRF:(Davies C) > (2000-2004)

  • Resultat 1-10 av 17
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  • Hillier, Ladeana W, et al. (författare)
  • Sequence and comparative analysis of the chicken genome provide unique perspectives on vertebrate evolution
  • 2004
  • Ingår i: Nature. - 0028-0836 .- 1476-4687. ; 432:7018, s. 695-716
  • Tidskriftsartikel (refereegranskat)abstract
    • We present here a draft genome sequence of the red jungle fowl, Gallus gallus. Because the chicken is a modern descendant of the dinosaurs and the first non-mammalian amniote to have its genome sequenced, the draft sequence of its genome--composed of approximately one billion base pairs of sequence and an estimated 20,000-23,000 genes--provides a new perspective on vertebrate genome evolution, while also improving the annotation of mammalian genomes. For example, the evolutionary distance between chicken and human provides high specificity in detecting functional elements, both non-coding and coding. Notably, many conserved non-coding sequences are far from genes and cannot be assigned to defined functional classes. In coding regions the evolutionary dynamics of protein domains and orthologous groups illustrate processes that distinguish the lineages leading to birds and mammals. The distinctive properties of avian microchromosomes, together with the inferred patterns of conserved synteny, provide additional insights into vertebrate chromosome architecture.
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  • Akselsson, Roland, et al. (författare)
  • Virtual Reality in Air Traffic Control
  • 2000
  • Ingår i: Proceedings of the IEA 2000/HFES 2000 Congress. ; 6, s. 6-275
  • Konferensbidrag (refereegranskat)abstract
    • Air traffic control is a highly spatial work. However, there are currently no three-dimensional tools used in the education of air traffic controllers or in the operational work of air traffic control. This paper presents results from some pilot studies aiming to: -Find new techniques for visualization and editing of trajectories in air traffic control. -Investigate how Virtual Reality (VR) can contribute to the air traffic controllers’ understanding of the air space and of certain situations. Two VR models have been developed. In one model a procedure called ‘holding’ is visualized. In the other VR model the different sectors in the air space are shown to make it easier for the air traffic controller to build a mental picture of a sector. In a training package the user can fly around in the sector and see how traffic passes through. These introductory studies indicate the usefulness of new ways to present the third dimension in a variety of air traffic situations. The tools can be used to visualize a three dimensional situation and help the air traffic controller to build a mental model The most obvious application area is in training and education of air traffic controllers but other applications such as an explanation and communication tool in the investigation after an incident are of interest.
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  • Bengtsson, Lars, et al. (författare)
  • Theoretical background
  • 2000
  • Ingår i: Urban Drainage in Specific Climates : Vol II: Urban Drainage in Cold Climates. - Vol II: Urban Drainage in Cold Climates.. ; :40, s. 23-40
  • Bokkapitel (övrigt vetenskapligt/konstnärligt)
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  • Resultat 1-10 av 17

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