A simple example of a polarized transverse wave is vibrations traveling along a taut string (see image); for example, in a musical instrument like a guitar string. Depending on how the string is plucked, the vibrations can be in a vertical direction, horizontal direction, or at any angle perpendicular to the string.
Commission on Narcotic Drugs considers future of drug control. 14 March 2008 - The 51 st session of the annual Commission on Narcotic Drugs (CND) wrapped up today.
Hydromorphone is also an excellent alternative to morphine when a stronger antitussive drug is needed. Dilaudid / Hydromorphone Like other opioids prescribed for analgesia, Dilaudid is potentially habit-forming and can lead to abuse and a Schedule II narcotic in the United Statesâ Controlled Substances Act.