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transpiration    
n. 蒸发;散发

蒸发;散发

transpiration
n 1: the passage of gases through fine tubes because of
differences in pressure or temperature
2: the process of giving off or exhaling water vapor through the
skin or mucous membranes
3: the emission of water vapor from the leaves of plants


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  • Transpiration - Wikipedia
    Transpiration is the process of water movement through a plant and its evaporation from aerial parts, such as leaves, stems and flowers It is a passive process that requires no energy expense by the plant [1] Transpiration also cools plants, changes osmotic pressure of cells, and enables mass flow of mineral nutrients
  • Transpiration - Definition, Function and Examples | Biology Dictionary
    Transpiration is the evaporation of water from plants Most of the water absorbed by the roots of a plant—as much as 99 5 percent—is not used for growth or metabolism; it is excess water, and it leaves the plant through transpiration
  • Transpiration – Definition, Factors, Types, and Importance
    Transpiration is the biological process by which water is released in the air as water vapor through minute pores called stomata It occurs through the aerial parts of the plant, such as leaves, stems, and flowers It happens during daytime when leaves absorb sunlight and get heated up causing water to evaporate from its surface
  • Transpiration - Plant organisation - AQA - GCSE Biology (Single . . . - BBC
    Transpiration is an unavoidable consequence of photosynthesis close photosynthesis A chemical process used by plants to make glucose and oxygen from carbon dioxide and water, using light energy
  • Transpiration: Mechanism, Types, Factors affecting transpiration . . .
    The process of loss of water in the form of vapor through the exposed aerial parts of the plants is called transpiration Transpiration is regulated by vital activities of protoplasm and some structural peculiarities of the transpiring organs Why transpiration is called a necessary evil?
  • Transpiration in Plants: Types, Mechanism, Factors, Uses - Microbe Notes
    Transpiration is defined as water loss in the form of water vapor from the internal tissues of aerial parts of the plant body under the influence of sunlight and regulated to some extent by the cell’s protoplasm
  • 11. 10: Transpiration - Biology LibreTexts
    Transpiration is the loss of water from the plant through evaporation at the leaf surface It is the main driver of water movement in the xylem Transpiration is caused by the evaporation of water at the leaf–atmosphere interface; it creates negative pressure (tension) equivalent to –2 MPa at the leaf surface
  • Transpiration – Types, Mechanism, Factors, Significance
    Transpiration in plants occurs through several distinct pathways, each playing a specific role in water movement and evaporation These pathways are classified into four primary types: stomatal, cuticular, lenticular, and bark transpiration
  • Transpiration Definition - BYJUS
    This process of elimination of excess water from the plant body is known as transpiration It is generally the evaporation of water from the surface of the leaves During the process of transpiration, water molecules in the plant tissues are removed from the aerial parts of the plants
  • What is Transpiration in Plants? Definition, Types, Process . . .
    Transpiration in plants is a process of water loss (in the form of water vapours) into the atmosphere from the leaf surface and stems Plants undergo transpiration primarily to access carbon dioxide needed for photosynthesis and to cool themselves





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