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  • Disk array  (1)
  • leaf conductance  (1)
  • 1
    Digitale Medien
    Digitale Medien
    String layouts for a redundant array of inexpensive disks (1994)
    Springer
    Algorithmica 12 (1994), S. 209-224 
    Details
    ISSN: 1432-0541
    Schlagwort(e): RAID ; Disk array ; 2d-Parity ; Fault tolerance ; Disk strings ; Bad square
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Informatik , Mathematik
    Notizen: Abstract This article introduces the concept of abad square in aredundant array of inexpensive disks (RAID). Bad squares are used to prove upper limits on the reliability of the2d-parity arrangement when there is the possibility that astring of disks may fail simultaneously. Bad-square analysis motivates several optimal string layouts which achieve these limits. Bad squares also provide a means to calculate the mean time to data loss for a RAID layout, without the use of Monte Carlo simulation.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01185211
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Leaf responses to soil water deficits: Comparative sensitivity of leaf expansion rate and leaf conductance in field-grown sunflower (Helianthus annuus L.) (1993)
    Springer
    Plant and soil 153 (1993), S. 189-194 
    Details
    ISSN: 1573-5036
    Schlagwort(e): Helianthus annuus L. ; leaf conductance ; leaf expansion rate ; plant available water ; transpiration ; water-stress
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Abstract The relative importance of changes in leaf expansion rate (LER) and leaf conductance (g1) in the control of crop transpiration depends primarily on their sensitivity to soil water deficits. The aim of this paper was to quantify the responses of LER and g1 to soil water deficits in sunflower (Helianthus annuus L.) under conditions of moderate (spring) and high (summer) evaporative demand. Soil water content, g1, and LER were measured in dryland (DRY) and daily-irrigated (WET) crops established on a deep sandy-loam (Typic Xerofluvent) in a Mediterranean environment. There was no difference between g1 of DRY and WET plants (p〉0.20) in contrast with a highly significant difference in LER (p〈0.001). Even under the harsh conditions of the summer experiment, g1 did not respond to water deficit in a ten-day period in which LER of DRY plants was reduced to approx. 30% of that measured in WET controls. This field study indicates that g1 plays at most a minor role in the control of sunflower transpiration in the pre-anthesis period and confirms the importance of leaf expansion in the regulation of gas exchange of expanding canopies subjected to soil water deficits.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00012991
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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