1 / 21
文档名称:

air pollution.ppt

格式:ppt   大小:15,422KB   页数:21页
下载后只包含 1 个 PPT 格式的文档,没有任何的图纸或源代码,查看文件列表

如果您已付费下载过本站文档,您可以点这里二次下载

air pollution.ppt

上传人:mh900965 2016/8/25 文件大小:15.06 MB

下载得到文件列表

air pollution.ppt

文档介绍

文档介绍:air pollution air pollution ? With the developing of the economic and industry of china, our life quality has improved a lot, we want to live a good life, so the environment quality plays a important role in our life. ? What is air pollution?Air is the ocean we breathe. Air supplies us with oxygen which is essential for our bodies to live. Air is % nitrogen, oxygen, water vapor and inert gases. Human activities can release substances into the air, some of which can cause problems for humans, plants, and are several main types of pollution and well-known effects of pollution which are commonly discussed. These include smog, acid rain, the greenhouse effect, and "holes" in the ozone layer. Each of these problems has serious implications for our health and well-being as well as for the whole environment. ? One type of air pollution is the release of particles into the air from burning fuel for energy. Diesel smoke is a good example of this particulate matter. The particles are very small pieces of matter measuring about microns or about .0001 inches. This type of pollution is sometimes referred to as "black carbon" pollution. The exhaust from burning fuels in automobiles, homes, and industries is a major source of pollution in the air. Some authorities believe that even the burning of wood and charcoal in fireplaces and barbe ques can release significant quantities of soot into the air. ? Another type of pollution is the release of noxious gases, such as sulfur dioxide, carbon monoxide, nitrogen oxides, and chemical vapors. These can take part in further chemical reactions once they are in the atmosphere, forming smog and acid rain. ? As a chemical engineering student, I think the main pollution I Care more is black carbon pollution. ? Black carbon pollution is the release of tiny particles into the air from burning fuel for energy. ? Air pollution caused by such particulates has been a major pr

最近更新

二零二五版个人装修合同简单 7页

二零二五版个人房屋转让合同范例 9页

二零二五版个人借款担保合同简单 7页

二零二五版业务代理合同 8页

二零二五版上海建设工程施工合同范例 9页

二零二五版万达商业租赁合同文档全文预览 8页

二零二五版“车辆抵押借款合同”模板 8页

2025年职员辞职申请书如何写个人原因 13页

2025年职员书面辞职申请书(通用5篇) 9页

二零二五游泳池承包合同书 8页

二零二五消防承包协议书范例 9页

二零二五林地租赁合同 8页

自己的花是让别人看的-(2)-教学设计 5页

西师大版二年级上册数学第六单元-表内除法-测.. 6页

数据库精品课(仅供个人学习)第二章 115页

2025年老师心得体会00字 30页

西师大版一年级下册数学第六单元-认识钟表-测.. 8页

2025年老外的中式婚礼主持词范文 20页

基于VGAN和集成学习的信用卡欺诈检测模型研究.. 11页

西师大版一年级上册数学第四单元-11-20各数的.. 8页

西师大版一年级上册数学第五单元-20以内的进位.. 5页

2025年翠华山游记作文范文 5页

苏教版小学五年级下册数学计算题六套 7页

传媒公司合伙人协议书合同 5页

2023年人教版小学二年级下册数学期中测试卷(同.. 6页

必出二码组合技巧 2页

2022年四川省南充市中考数学试卷及答案 42页

居民死亡医学证明模板【范本模板】 4页

JY T 0578-2020《超导脉冲傅里叶变换核磁共振.. 33页

展会客户接待教育课件 29页