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.
The United Services Automobile Association (USAA) is a Texas-based Fortune 500 diversified financial services group of companies including a Texas Department of Insurance regulated reciprocal inter-insurance exchange and subsidiaries offering banking, investing, and insurance to people and families that serve, or served, in the United States ...