Science news articles about 'coarse particles'

... (PM10-2.5) is limited, and findings have been mixed, according to background information in the article. Coarse particles would likely deposit in the upper and larger airways. Particles in the PM2.5 ...

... day help toxicologists and epidemiologists determine the risk posed by these metallic elements found in the fine and coarse particles toward humans." Chemists long have used the process known as " ...

... may be composed of different chemical components. Fine particles measure 2.5 microns or less in size ... of air (ug/m3) increase in indoor coarse particle concentration, there was a 6 percent increase in ...