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.
four stars. The USO (United Service Organizations) is a congressionally chartered, nonprofit organization, and is not a part of the federal government. Since 1941, the USO mission has remained the same: to provide morale, welfare and recreation-type services to service members and their families.