医学论文中文翻译英文

The purpose is to understand that how the indoor air pollution impact on people's health. Methodology: The investigation was conducted between October and December 2007 in certain community at Wancheng District in Dongwan City. 50 apartments of different decorating conditions, which were not resided more than one half year, were monitored for multiple air pollution index. 120 residents living in the 50 apartments were interviewed face-to-face. At the end of the investigation, averagely, Carbon Oxide level exceeded the provided standard over 100%, Carbon Dioxide level exceeded the provided standard 1200%, Formaldehyde level exceeded the provided standard over 4000%, the level of Benzene, Toluene, Ethylbenzene, and Dimethylbenzene exceeded provided standards 800-1300%, and bacterium level exceeded provided standards 290%. 80 from 120 interviewed residents reported somatic symptoms. Hereby we draw the conclusion that Formaldehyde is the most serious pollutant of indoor air pollutants, and indoor air pollution directly harm the residents' health.