Water_Pollution水污染英文PPT幻灯片

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For government
1To establish the urban sewage treatment system (城市污水处理系统的建立 )
2 To restructur the Industrial(调整产业结构)
3.To develop the new water sources
Red tide
• reasons of form red tide
• Water eutrophication • Meteorological and
hydrological and physical and chemical properties of the sea
• Damages of red Biblioteka Baiduide
There are many influence that we can’t describe them by words. So I will
show you some pictures.
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Discharging sewage into water
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Water hyacinth
水葫芦
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water.
BACK
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Influence
Water pollution is one of the most serious problems that mankind faces today. 1.For business or industry, it affects products’ quality , increased corrosion of products, and so on. 2.For individual, it does damage to the human’s healthy.
4.To strengthen the planning and management of water resources
5.To control the agricultural non-point source pollution (控制农业面源污染)
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For Business
1. To reduce water consumption(减少耗水 量)
• Damage Harm to human 's health
• Destruction of Marine fishery resources and aquatic products
• Harm to human health
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The garbage in water
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Back
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2. Man-made pollution
1. industrial wastewater (工业废水) 2. Daily life sewage (生活污水) 3. Pesticide and fertilizer pollution
(农业化肥污染)
These do damage to the quality of
1 .Don’t use cleaner conclude Pollution. 2. Don’t throw the garbage into the river or sea. 3.Tell the person around you to protect the water
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All about Water pollution
1.Cause 2.influence
3.solution
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Cause
Nowadays, water pollution is deteriorating. Rivers, lakes and even oceans all over the world are becoming polluted by garbage and dangerous chemicals. Oil and other Chemicals can kill fish and make water unsafe for drinking.
2. To buy equipment of sewage treatment (买污水处理设备)
3. Don‘t discharge sewage into water. (不要乱排污水)
4. To estiblish the water recycling system
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For individual
Solution
Everyone wants to reduce pollution. But the pollution problem is as complicated as it is serious.
What should we do to solve this problem Gradually?
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If everyone can make a contribute to preserving water resources, I believe that
our worldTwhillabenckomye omuore! and more
beautiful!
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Before we think about what should we do to solve this problem ,we should first know
what cause the problem.
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1.Natural pollution
Due to the dissolution of geological, atmospheric precipitation leaching, erosion on the ground, mix the various pollutants into the water 因地质的溶解作用,降水对大气的淋 洗、对地面的冲刷,挟带各种污染物 流入水体而形 成
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