单颗粒气溶胶研究进展

Research Progress of Single Particle Aerosol

单颗粒气溶胶是大气气溶胶的重要组成部分,对全球大气污染物迁移、大气环境、生态环境和人类健康等有重要影响。单颗粒气溶胶结构和演化是环境科学研究的热点之一,该研究方向发展迅速。本文介绍了单颗粒气溶胶结解析的研究进展和研究方法,探讨了单颗粒气溶胶的研究前沿及热点,介绍了不同研究方法的原理和特点,高时间分辨率在线解析和复合源解析是颗粒物源解析的重要发展方向,其中高分辨率质谱分析和质谱成像发挥着重要作用,对单颗粒气溶胶形成机理、二次演化及与大气环境的相互作用机制的研究,具有重大的科学意义和现实意义,本文可以为大气污染理论研究和防治决策提供参考。

Single particle aerosol is an important component of atmospheric aerosol,which has a significant impact on global air pollutant migration,atmospheric environment,ecological environment and human health.This paper introduces the research progress and research methods of single particle aerosol solution cementation analysis,discusses the research frontier and hot spots of single particle aerosol,and introduces the principles and characteristics of different research methods.High time resolution online analysis and composite source analysis are important development directions of particle source analysis,in which high-resolution mass spectrometry analysis and mass spectrometry imaging play an important role.It had a great scientific and practical significance to study the formation mechanism,secondary evolution and interaction mechanism of single particle aerosol with atmospheric environment.This paper can provide reference for theoretical research and prevention and control decision-making of air pollution.