www射-国产免费一级-欧美福利-亚洲成人福利-成人一区在线观看-亚州成人

Podcast

Mountain air worse than city: study

(chinadaily.com.cn)
Updated: 2009-11-27 11:28

 

Get Flash Player

An American doctor says Beijing's air pollution is no worse on its clogged ring roads than along its tree-lined canals.

Dr Richard Saint-Cyr, a family physician for the International Medical Center in Beijing, conducted a personal study using a handheld air particle scanner and published the findings on his blog titled 'My Health Beijing' at www.myhealthbeijing.com.

He wrote that pollution levels on ring roads were not higher than on surrounding roads.

"Many believe that the areas surrounding heavily trafficked roads have much higher pollution levels, but my readings were exactly the same 100 m away and were even the same around roads surrounding canals," he told METRO.

He says that canals are often thought to have a cleansing effect on the air, and that he was disappointed to find this was not the case.

His measurements were taken with a particle scanner that uses a laser to measure the amount of fine dust particles in the air. It’s a method similar to that used by the World Health Organization to determine air quality.

He said his readings surrounding the ring roads may not be entirely accurate, because his device could not measure other pollution indicators such as carbon monoxide and nitrogen oxide, both of which can be harmful.

"Bottom line? I would still recommend your outdoor strolls along the tree-lined canals instead of ring roads, if only for aesthetics and sanity, but perhaps the pollution is the same," he wrote.

Over the course of a week, Saint-Cyr took more than 200 readings, measuring air particles throughout the capital. He traveled one hour and a half out of Beijing to take air quality readings in the mountains surrounding the city.

"We've always had the perception that mountain air is supposed to be fresh," he said, "but the readings I took from the mountains showed almost twice as much pollution than in the city."

He attributed the increase to people burning autumn leaves and using coal-fired heaters, and said that this may not be the case in the summer.

Saint-Cyr's work has been recognized by the Health On The Net Foundation, a UN supported NGO whose goal is to support accurate and effective health information on the Internet.

Mountain air worse than city: study

About the broadcaster:

Mountain air worse than city: study

Nancy Matos is a foreign expert at China Daily Website. Born and raised in Vancouver, Canada, Nancy is a graduate of the Broadcast Journalism and Media program at the British Columbia Institute of Technology. Her journalism career in broadcast and print has taken her around the world from New York to Portugal and now Beijing. Nancy is happy to make the move to China and join the China Daily team.

主站蜘蛛池模板: 一级做性色a爰片久久毛片 一级做性色a爰片久久毛片免费 | 亚洲制服丝袜美腿亚洲一区 | 国产精品亚洲欧美云霸高清 | 亚洲视频在线观看网址 | 久9久9精品视频在线观看 | 最新欧美精品一区二区三区 | 日本毛片在线观看 | 9久9久女女热精品视频免费观看 | 日本一级在线播放线观看视频 | 免费人成年短视频在线观看免费网站 | 久久久综合结合狠狠狠97色 | 国产成人精品亚洲日本在线观看 | 国产真真人女人特级毛片 | aa国产 | 成人不卡视频 | 99热久久国产精品免费观看 | 亚洲线精品久久一区二区三区 | 色秀视频在线观看88品善网 | 日韩一区二区三区在线播放 | 亚洲一区高清 | 日本免费不卡在线一区二区三区 | 国产美女做爰免费视 | 孕妇孕妇aaaaa级毛片视频 | 亚洲午夜久久 | 久久精品视频免费看 | 国产三级成人 | 久草免费在线观看视频 | 三级c欧美做人爱视频 | 成 人 亚洲 综合天堂 | 色老头久久网 | 黄色网址进入 | 看全色黄大色黄大片女图片 | 日本爽快片100色毛片 | 中文字幕亚洲精品久久 | 国产午夜精品理论片小yo奈 | 欧美毛片日韩一级在线 | 欧美中文字幕一区二区三区 | 亚洲一区二区三区免费视频 | 国产亚洲精品午夜一区 | 在线播放国产一区二区三区 | 三级网站免费看 |