Catalysis, nanoparticles: hydrogen peroxidePhoto courtesy of Dr. David J. Willock, Cardiff Universityin chemistry, the modification of the rate of a chemical reaction, usually an acceleration, by addition of a substance not consumed during the reaction.
The United Service Organizations Inc. (USO Show) is a nonprofit organization that provides programs, services and live entertainment to United States service members and their families.
Look up NRO in Wiktionary, the free dictionary. NRO may stand for: National Reconciliation Ordinance, a Pakistani law granting amnesties for crimes by politicians etc. National Reconnaissance Office, maintains United States reconnaissance. National Repertory Orchestra, based in Colorado, USA. National Review Online, web version of the magazine National Review.