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.
Chief of Naval Operations. The Chief of Naval Operations (CNO) is a statutory office (10 U.S.C. Â§ 5033) held by a four-star admiral in the United States Navy, and is the most senior naval officer assigned to serve in the Department of the Navy. The office is a military adviser and deputy to the Secretary of the Navy.