دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: (ADS) a oneperson atmospheric suit rated to depths of 2,300 feet (701 metres). Advantages include allowing the operator to work in a safe environment for debris salvage or recovery operations.

n: the pressure exerted by the weight of the atmosphere. At sea level, the pressure is approximately 14.7 pounds per square inch (101.325 kilopascals),often referred to as 1 atmosphere. Also called barometric pressure.

n: the aging of specimens for test purposes at normal atmospheric pressure for a designated period of time under specified conditions of temperature and humidity.

n: the smallest quantity of an element capable of either entering into a chemical combination or existing alone.

n: a number that expresses the number of protons and an equal number of electrons in each atom of an element.

n: a number that approximates the number of protons plus the number of neutrons in an atom;it expresses the relative weights of atoms.

v: to spray a liquid through a restricted opening, causing it to break into tiny droplets and mix thoroughly with the surrounding air.