Calorimeter - Reaction calorimeters. 1  A reaction calorimeter is a calorimeter in which a chemical reaction is initiated within a closed insulated container. 2  The cooling/heating jacket controls either the temperature of the process or the temperature of the jacket. 3  The cooling/heating jacket controls the temperature of the process.
Command Sgt. Maj. Sheryl D. Lyon is the command sergeant major of U.S. Army Europe.
The command, which oversees all U.S. war efforts in the Middle East, is considered one of the most dynamic and complicated combat positions in the military. Votel inherited the job from Army Gen. Lloyd Austin, whose extensive experience in airborne and infantry units yielded a more traditional match for a major combat command.