1. of lignite and PM1 of bituminous coal decline, while those of PM10 of lignite, PM2.5 and PM10 of bituminous coal and PM1, PM2.5 and PM10 of anthracite increase. The values of PM1/PM2.5, PM1/PM10 and PM2.5/PM10 in particulate matter released by the combustion of lignite, bituminous coal and anthracite all drop with the rise of burning temperature;With the rise of burning temperature, the formation amounts of PM1
2. Academies' call to action: Air pollution threatens global health;M Mcnutt;Annals of global health,2019
3. The invisible killer: The rising global threat of air pollution -and how we can fight back;A O'connor;Lancet Respiratory Medicine,2019