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2007-05-24 1:06 am
空氣污梁主要成因可大致分為天然和人為兩種原因:

天然的空氣污染:
.火山活動 。
.來自沙漠區或缺乏植被地區所颳起的風沙 。
.來自動物排出的有毒氣體,如牛隻在消化完植物後所排放的甲烷氣體。
.山火所引起的煙 。

人為的空氣污染(通常由於燃燒燃料引致,而這可能由下列各種活動引起):
.畜牧時所引起的沙塵或化學殘餘物
.一般工業活動
.使用內燃機的汽車
.燃燒煤或炭起引起的污染
.油漆或其他揮發性溶劑

污染物
空氣的污染物可分為污染氣體和懸浮物。

常見的污染氣體包括:
.可以和水混合而成酸雨的酸性氣體,如二氧化硫、氮氧化物,甚至二氧化碳也算;
.能夠吸收地球散發的熱量,造成溫室效應的氣體,如二氧化碳;
.對人體有毒氣體,如一氧化碳 和 碳氫化合物等。
.空氣的對流層中的臭氧。 (註:在對流層以上的臭氧,如果在平流層的話,不會擴散;在電離層的話,可以阻擋紫外光及其他來自太陽的強烈幅射,反而對環境有好處。)

回答 (2)

2007-05-24 1:10 am
✔ 最佳答案
The dirty main origin cause of formation of roof beam of air can be roughly divided into naturally for the sake of two kinds with people:

Natural air pollution :
Volcanism.
Come from the desert district or lack the sand blown by the wind that the vegetation area blows.
Come from poisonous gas that animal discharge, such as ox in methane gas discharged after the plant of finishing digesting piece.
Mountain fire and smoke caused.

People for air pollution(usually burn it cause with fuel,and this may cause by various kinds of activity not the following):
Dust and sand or chemical residue caused at the time of the animal husbandry
General industrial activity
Use the automobile of the internal-combustion engine
Burn coal or a case of pollution that causes of charcoal
Paint or other volatility solvent

Pollutant
The pollutant of the air can be divided into pollution gas and suspended substance.

The common pollution gas includes:
Can mix the acid gas of acid rain into with water , such as the sulfur dioxide, nitrogen oxide, even the carbon dioxide is calculated;
Can absorb the heat that the earth send out , cause the gas of the greenhouse effects, such as the carbon dioxide;
To the poisonous gas of human body, for instance carbon monoxide and hydrocarbon ,etc..
Ozone in the troposphere of the air. (Note: The ozone in the above troposphere, if it is stratospheric, will not spread ; If in the ionosphere, can prevent ultraviolet ray and other strong one from the sun from penetrating , benefit environment instead. )
2007-05-24 1:35 am
The dirty main origin cause of formation of roof beam of air can be roughly divided into naturally for the sake of two kinds with people:

Natural air pollution :
Volcanism.
Come from the desert district or lack the sand blown by the wind that the vegetation area blows.
Come from poisonous gas that animal discharge, such as ox in methane gas discharged after the plant of finishing digesting piece.
Mountain fire and smoke caused.

People for air pollution(whether burn there aren't fuel, and may cause by various kinds of activity not the following after this):
Dust and sand or chemical residue caused at the time of the animal husbandry
General industrial activity
Use the automobile of the internal-combustion engine
Burn coal or a case of pollution that causes of charcoal
Paint or other volatility solvent

Pollutant
The pollutant of the air can be divided into pollution gas and suspended substance.

The common pollution gas includes:
Can mix the acid gas of acid rain into with water , such as the sulfur dioxide, nitrogen oxide, even the carbon dioxide is calculated;
Can absorb the heat that the earth send out , cause the gas of the greenhouse effects, such as the carbon dioxide;
To the poisonous gas of human body, for instance carbon monoxide and hydrocarbon ,etc..
Ozone in the troposphere of the air. (Note: The ozone in the above troposphere, if it is stratospheric, will not spread ; If in the ionosphere, can prevent ultraviolet ray and other strong one from the sun from penetrating , benefit environment instead. )
參考: dr eye


收錄日期: 2021-04-20 11:40:36
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