aerosol particle
广州白云国际机场旅检大厅生物气溶胶粒子及其携带病原体监测_中国质量新闻网 关键词:旅检大厅;气溶胶粒子;携带病原体;监测 [gap=1313]Key words: Immigration hall; Aerosol particles; Pathogens; Survey
aerosol particle size distribution
particulates organic martter
Single aerosol particles