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词汇 blowdown
释义

Definition of blowdown in English:

blowdown

nounˈbləʊdaʊnˈbloʊdaʊn
mass noun
  • 1North American Trees that have been blown down by the wind.

    〈北美〉被风刮倒的树

    count noun he tramped miles through blowdowns after the hurricane
    Example sentencesExamples
    • Although uncommon, large blowdowns generated from inland hurricanes provide an opportunity to study the effects of catastrophic windfall.
    • Comparisons with similar studies in the literature are problematic because of differences in methods, minimum patch sizes, and the processes that generated the blowdowns.
    • In other words, it's a type of animal that prefers a forest with clearings (whether created by fire, blowdowns, or logging) to larger, unbroken tracts of old growth.
    • Although rare, hurricane-caused blowdowns of this scale are not unprecedented in the Coweeta Basin.
    • The understory data for intact forests matches the regeneration we recorded in blowdowns very closely, suggesting that blowdowns leave the understory undamaged.
    • They were built as a system of separate fortresses, abatis lines, and on forested terrain, tree blowdowns.
    • In these crowded stands, trees become increasingly susceptible to attack by insects and pathogens, blowdowns in storms, and catastrophic crown fires as live and dead forest fuel builds up.
    • With the exception of hurricane impacts, the spatial and temporal characteristics of forest blowdowns have not been well studied in eastern deciduous forests.
    1. 1.1 The blowing down of a tree or trees.
      (树的)刮倒,吹倒
      blowdown occurs when soil and root balls can't resist wind pressure
      Example sentencesExamples
      • But the gash makes Luna more vulnerable to blowdown because redwoods have shallow roots.
      • In 1985 a large section was affected by another large blowdown.
      • Disturbance rates derived from public land survey data have been widely cited in the literature, because they provide estimates of blowdown and fire occurrence at a regional scale prior to extensive European settlement.
      • The H + S forest had a considerable amount of slash left from the logging, and pit and mound topography was created from the blowdown of large trees.
      • A freak straight-line windstorm caused a massive blowdown of trees in the area in 1999, and the profusion of fallen timber raised fears of a catastrophic firestorm.
      • For a small blowdown, we recorded data on all gap - makers.
      • We reached the section of the trail where the bikes had to be carried due to copious amounts of blowdown.
      • The scale of the blowdown was the first problem.
      • The saturated soils from the heavy rainfall followed by high windspeeds caused substantial blowdown in the Coweeta Basin and in much of the southern Appalachians.
  • 2The removal of solids or liquids from a container or pipe using pressure.

    (固体或液体用压力从容器或管道中)排出

    as modifier designs had to withstand blowdown conditions
    Example sentencesExamples
    • This concentrated liquid known as ‘blowdown,’ carries impurities out.
    • Blowdown liquid withdrawn from the recycle acid liquor, may be recycled to the incinerator or further treated by neutralization, precipitation, and filtration of the precipitated toxic metals.
    • The liquid blowdown stream from the main wet scrubbing system is mixed with a hot flue gas slipstream.
    • Deposition can be avoided by increasing liquid blowdown rate.
    • Boiler blowdown is essential for the continued operation of any boiler.

Definition of blowdown in US English:

blowdown

nounˈbloʊdaʊnˈblōdoun
  • 1North American A tree or trees that have been blown down by the wind.

    〈北美〉被风刮倒的树

    crews will be removing blowdown for a number of days
    Example sentencesExamples
    • The understory data for intact forests matches the regeneration we recorded in blowdowns very closely, suggesting that blowdowns leave the understory undamaged.
    • In other words, it's a type of animal that prefers a forest with clearings (whether created by fire, blowdowns, or logging) to larger, unbroken tracts of old growth.
    • Although uncommon, large blowdowns generated from inland hurricanes provide an opportunity to study the effects of catastrophic windfall.
    • In these crowded stands, trees become increasingly susceptible to attack by insects and pathogens, blowdowns in storms, and catastrophic crown fires as live and dead forest fuel builds up.
    • With the exception of hurricane impacts, the spatial and temporal characteristics of forest blowdowns have not been well studied in eastern deciduous forests.
    • They were built as a system of separate fortresses, abatis lines, and on forested terrain, tree blowdowns.
    • Comparisons with similar studies in the literature are problematic because of differences in methods, minimum patch sizes, and the processes that generated the blowdowns.
    • Although rare, hurricane-caused blowdowns of this scale are not unprecedented in the Coweeta Basin.
    1. 1.1 The blowing down of a tree or trees.
      (树的)刮倒,吹倒
      the measures did not prevent mass blowdown
      Example sentencesExamples
      • The scale of the blowdown was the first problem.
      • The H + S forest had a considerable amount of slash left from the logging, and pit and mound topography was created from the blowdown of large trees.
      • A freak straight-line windstorm caused a massive blowdown of trees in the area in 1999, and the profusion of fallen timber raised fears of a catastrophic firestorm.
      • The saturated soils from the heavy rainfall followed by high windspeeds caused substantial blowdown in the Coweeta Basin and in much of the southern Appalachians.
      • But the gash makes Luna more vulnerable to blowdown because redwoods have shallow roots.
      • For a small blowdown, we recorded data on all gap - makers.
      • Disturbance rates derived from public land survey data have been widely cited in the literature, because they provide estimates of blowdown and fire occurrence at a regional scale prior to extensive European settlement.
      • We reached the section of the trail where the bikes had to be carried due to copious amounts of blowdown.
      • In 1985 a large section was affected by another large blowdown.
  • 2The removal of solids or liquids from a container or pipe using pressure.

    (固体或液体用压力从容器或管道中)排出

    Example sentencesExamples
    • This concentrated liquid known as ‘blowdown,’ carries impurities out.
    • Deposition can be avoided by increasing liquid blowdown rate.
    • Boiler blowdown is essential for the continued operation of any boiler.
    • The liquid blowdown stream from the main wet scrubbing system is mixed with a hot flue gas slipstream.
    • Blowdown liquid withdrawn from the recycle acid liquor, may be recycled to the incinerator or further treated by neutralization, precipitation, and filtration of the precipitated toxic metals.
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