Science news articles about 'coarse particles'

... , 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 size range, which are more likely ...

... the risk posed by these metallic elements found in the fine and coarse particles toward humans." Chemists long ... the metal marker process to the study of coarse and fine particles emanating from refineries and automobiles as well ...

... ) and can penetrate deep into the body's respiratory system. Coarse particles fall between 2.5 and 10 ... of air (ug/m3) increase in indoor coarse particle concentration, there was a 6 percent increase ...

... content of about 12%, low starch damage and coarse particle size. In addition, it was assessed whether certain oat varieties yield better quality ...

... one. Pringle and Palmer suspect termites import coarse particles into the otherwise fine soil in the vicinity of their mounds. These coarser particles promote water infiltration of the soil, even ...

... long distances from North China. The concentrations of coarse particles -- those with a diameter ranging from 2.5 ... % increase in risk. There is a link between the raised concentrations of coarse particles encountered during dust storms ...

... from these soils during a wind tunnel experiment: coarse particles and fine dust. Not only were the microbial assemblages ... and nitrogen cycling -- were more associated in the study with eroded, coarse particles (those larger than 106 microns in size ...

... sediments, focusing on types of bacteria associated with coarse particles and on the types associated with fine dust particles. They classified the bacteria found in each type of soil and wind ...