日志
My Homework of Professional English
热度 1 |
ACID RAIN
What's Acid rain?
Acid rain is refers to the pH value is less than 5.6 of rain, sleet, snow, hail, dew atmospheric precipitation(降水）, etc.
The causes of Acid rain.
There are many reasons that cause acid rain,including volcanic eruptions（火山喷发）, automobile exhaust（汽车尾气）, fuel pollutant（燃料燃烧污染物）, such as sulfur dioxide（二氧化硫）, nitrogen oxides(氮氧化合物） ,then they enter into the air.
The effects of Acid rain.
eg：
1）Acid rain haselimated certain fish species,such as brook trout.
2）Lead to soil acidification(土壤酸化),so as to make the agricultural production decrease.
3）The corrosion of acid rain building materials,affect the geographical landscape(地理景观).
4）Harm to people's health even their life.
What measures should we have to take to solve the Acid rain?
1）Develop new energy,for example, hydrogen, solar, hydro, tidal energy, etc.
2)Use coal desulfurization technology(燃煤脱硫技术), reduce the emissions of sulfur dioxide.
3)Industrial production emissions treatment before discharge.
4)Driving less, more on public transport.
