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geology
:
geography
:
metallurgy
>
saturated air
Contents
·
No. 1
·
English Expression
·
Containing Phrases
·
More results...
No. 1
空气中容纳水汽的数量随气温变化,气温越高,可以容纳的水汽就越多。在一定的温度下,当空气不能再容纳更多的水汽时,就成了
饱和空气
。
饱和空气
在温度一定的条件下,单位体积空气中容纳水汽的数量有一定的限度,如果水汽含量未达到此限度,这时叫未
饱和空气
;如果水汽含量超过此限度,叫过
饱和空气
;如果水汽含量恰好达到这个限度,则叫
饱和空气
。从分子运动角度看,
饱和空气
是同一时间内逸出水面的水分子与落回水面的水汽分子恰好相等,水与水汽间达到平衡状态,蒸发停止,处于这种状态的空气称为
饱和空气
。
English Expression
: saturated air
Containing Phrases
supersaturated air
impregnation air temperature