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surface engineering

  zinc plating : the electrodeposition of zinc or zinc alloys (e.g. Zn/Ni, Zn/Sn) to provide galvanic corrosion protection.
ZULU time : a 'nickname' for the Coordinated Universal Time (UTC) when used  in the military, navigation, computing and telephony. "Zulu" is the radio transmission articulation for the letter Z; traditionally, ship and aviation navigation is conducted using Zulu time.

Zulu time is usually expressed in terms of a 24-hour clock using the Gregorian time divisions of hours and minutes. For most practical purposes it could be also considered as Greenwich Mean Time (GMT), although UTC is an atomic time scale, while GMT is tied to the rotation of the Earth.



atomic time


UPDATED : 2005-06-17

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