Research Progress of Ambient Air Monitoring Technology in Confined Space
Confined space is a unique atmospheric environment,and there are the risks of hypoxia,carbon dioxide and harmful gases exceeding the standard when personnel work and live for a long time in it,so environmental monitoring in confined space plays a vital role in the life safety and health of operators.Based on the characteristics of confined space,this paper analyzes the sources and hazards of air pollutants in confined space,and analyzes the characteristics,applications and development trends of spectral monitoring technology,chromatography-mass spec-trometry monitoring technology,chromatography-ion mobility spectrometry monitoring technology,semiconduc-tor monitoring technology,electrochemical monitoring technology and photoionization monitoring technology in confined space,so as to provide models and reference for the application of different types of environmental moni-toring technology in confined space.
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