发布网友 发布时间:2022-04-21 23:35
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热心网友 时间:2023-06-13 20:27
灞曞紑鍏ㄩ儴Objective To evaluate acute and long2term angiographic and clinical outcomes of long热心网友 时间:2023-07-26 00:23
The purpose is to understand that how the indoor air pollution impact on people's health. Methodology: The investigation was concted 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.热心网友 时间:2023-07-26 00:24
The goal understands the room air pollution the degree and to the human body health influence. The method October, 2007 to December, to the Dongguan Wan city some plot's 50 varying degree repair, housing less than a half year housing, carries on many item of air pollution target monitor, and to 120 family members has carried on the inquiring survey. Finally the carbon monoxide exceeds the allowed figure more than 1 time; The carbon dioxide exceeds the allowed figure 12 times; The formaldehyde exceeds the allowed figure more than 40 times; The benzene, the toluene, the ethyl benzene, the xylene exceed the allowed figure separately 8-13 times; The bacterium target surpasses standard 2.9 times. In 120 by the investigation object, some 80 bodies appeared the bad symptom. In the conclusion room air the formaldehyde pollution is most serious, moreover the indoor spatial pollution is harming human body's health directly.