Background knowledge Air Pollution Control Engineering According to the report,we can see that the main pollutant in the air is particulate.It is for sure that if we want to make the sky over us clean,we must find some efficient and possible ways to reduce the concentration of particulate to a acceptable level. First of all,we have to get some information and background knowledge about the meteorology... PDF文件使用"pdfFactory Pro”试用版本创建mm,fineprint..com,c里 Background knowledge According to the report, we can see that the main pollutant in the air is particulate. It is for sure that if we want to make the sky over us clean, we must find some efficient and possible ways to reduce the concentration of particulate to a acceptable level. * First of all, we have to get some information and background knowledge about the meteorology… Air Pollution Control Engineering PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.com.cn