摘要
为了解西安市商场建筑室内外颗粒物的污染状况,采用德国Grimm气溶胶光谱仪对该市10家商场的室内外颗粒物浓度进行测试。结果发现,10家商场室内外PM10和PM2.5浓度都不同程度超过了相关标准规定的浓度值,PM10和PM2.5的室内超标率分别为66.4%和71%,室外超标率分别为73.8%、71.6%。室内外颗粒物浓度I/O比值均小于1,出现(I/O)PM10<(I/O)PM2.5<(I/O)PM1.0的规律。同时,室内可吸入颗粒物主要以对人体伤害较大的细颗粒物为主。
In order to understand the indoor and outdoor particulate matter pollution of shopping centre in Xi'an,Germany Grimm laser aerosol spectrometers and dust monitors were used to detect the concentration of particulate matter inside and outside of ten shopping centres in the city. According to the results,indoor and outdoor concentration of PM10 and PM2. 5 of the ten shopping centres exceeded the relevant standard in different degrees,the indoor rate of excess standard of PM10 and PM2. 5 was 66. 4% and 71% respectively,the outdoor one was 73. 8% and 71. 6% respectively. Indoor and outdoor concentration of particulate matter I/O ratio was less than 1,thus having the law of( I/O)PM10<( I/O)PM2. 5<( I/O)PM1. 0. At the same time,Fine particulate matter with a greater harm to body played an important role in indoor inhalable particulate.
出处
《环境工程》
CAS
CSCD
北大核心
2013年第S1期642-644,共3页
Environmental Engineering
关键词
颗粒物浓度
商场
空气污染
I/O
concentration of particulate matter
shopping centre
air pollution
I/O ratio
