The Southern Cheyenne, known in Cheyenne as HeÃ©vÃ¢hetaneo'o meaning Roped People, together with the Southern Arapaho, form the Cheyenne and Arapaho Tribes, in western Oklahoma. Their combined population is 12,130, as of 2008.
In cardiology, the QT interval is a measure of the time between the start of the Q wave and the end of the T wave in the heart's electrical cycle. The QT interval represents electrical depolarization and repolarization of the ventricles. A lengthened QT interval is a marker for the potential of ventricular tachyarrhythmias like torsades de pointes and a risk factor for sudden death.
Guided wave as a non-destructive testing technology uses a low frequency guided ultrasound wave travelling along the pipe, providing 100% coverage of the pipe length. Keywords. Guided wave,piping,pipeline,pipeline inspection,corrosion,process piping,ultrasound wave,pipe, ndt,ndt methods,ndt technique,inspection,ultrasonic testing,pipes,corrosion.