Sentences with phrase «as ultrafine»
The puniest bits of soot in diesel exhaust, known as ultrafines, measure on the nanoscale.
https://www.scientificamerican.com/ Not exact matches
HEI also tested for more than 100 pollutants, such as benzene and ultrafine particles.
Several US states, such as California, have laws requiring a 20 % -30 % ethanol blend in gasoline, which also helps reduce emissions of ultrafine particulate matter.
In the second paper, physicist Dejan Vinković of the University of Split in Croatia developed a model that shows how a combination of stellar wind and infrared radiation from the inner disk can blow the ultrafine crystallized silicate particles billions of kilometers from the inner regions of a protoplanetary disk to its colder outer sections, where comets and other cold but rocky objects, such as Pluto, can form.
This allowed for moving forward with peristaltic motion within an ultrafine structure such as a bronchus.
Slinky jersey knit from ultrafine modal is as comfy as it gets.
Directed studies showing that most human exposure occurs at home due to consumer products (solvents, paints, fire retardants, plasticizers such as phthalates and bis - phenol), indoor combustion, building materials (formaldehyde), water treatment (chloroform), smoking (benzene), cooking (fine and ultrafine particles), air «fresheners» (para-dichlorobenzene, alpha - and beta - pinene), etc..
Recent studies identify black carbon, a component of ultrafine particulate air pollution, as a critical climate warming agent both in the atmosphere and when deposited on snow and ice.