Sentences with phrase «presence of these aerosol particles»
Not exact matches
Additional aerosol mass composed of organosulfate and organonitrate chemicals can then form via nitrogen oxide - initiated oxidation of VOCs from natural vegetation (e.g., isoprene) in the presence of highly acidic ultrafine particles.
https://www.pnnl.gov/
When isoprene is in the presence of human - made sulfate particles it transforms into atmospheric organic aerosol particles.
After each of these eruptions we have noted the presence of (generally) submicrometer - sized ash particles and aerosol droplets on collectors, although we can not always be certain of the identity of the volcano responsible for the material.