D
Destructive Interference: This occurs is two wave forms are 'out of phase' with each other. This in turn causes a reduction in amplitude.
See also Constructive Interference
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D
Duty Factor
Duty Factor: The fraction of time when a ultrasound system is producing sound.
Last Updated on Friday, 17 September 2010 13:58
Dysmenorrhea
Dysmenorrhea: Severe uterine/pelvic pain which occurs during menstruation.
Last Updated on Friday, 17 September 2010 13:58