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词汇 transpiration stream
释义

Definition of transpiration stream in English:

transpiration stream

noun
Botany
  • The flow of water through a plant, from the roots to the leaves, via the xylem vessels.

    〔植〕蒸腾流

    Example sentencesExamples
    • Mass flow of solution towards the root in the transpiration stream tends to compress the zones of oxygenation and nitrification and extend the zone of depletion.
    • This scenario implies that water will be taken up by the xylem parenchyma whenever the water potential in the transpiration stream is high.
    • Na+ is transported to shoots in the rapidly moving transpiration stream in the xylem, but can only be returned to roots via the phloem.
    • Xylem flow carries the transpiration stream and is normally entirely acropetal.
    • The transpiration stream through the xylem transports cytokinins, as well as ABA, from the root to the shoot.

Definition of transpiration stream in US English:

transpiration stream

nounˌtran(t)spəˈrāSHən ˌstrēm
Botany
  • The flow of water through a plant, from the roots to the leaves, via the xylem vessels.

    〔植〕蒸腾流

    Example sentencesExamples
    • Mass flow of solution towards the root in the transpiration stream tends to compress the zones of oxygenation and nitrification and extend the zone of depletion.
    • The transpiration stream through the xylem transports cytokinins, as well as ABA, from the root to the shoot.
    • Na+ is transported to shoots in the rapidly moving transpiration stream in the xylem, but can only be returned to roots via the phloem.
    • Xylem flow carries the transpiration stream and is normally entirely acropetal.
    • This scenario implies that water will be taken up by the xylem parenchyma whenever the water potential in the transpiration stream is high.
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