دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a glass-stem thermometer totally encased in a glass sheath, which provides air space between the thermometer and the liquid in which the unit is immersed.

n: a body designed to provide a desired reaction force when in motion relative to the surrounding air.

annular isolation sleeve.

as low as reasonably achievable.

n: a warning device triggered by the presence of abnormal conditions in a machine or system. For example, a lowwater alarm automatically signals when the water level in a vessel falls below its preset minimum. Offshore, alarms are used to warn personnel of dangerous or unusual conditions, such as fires and escaping gases.

preset value of a monitored parameter at which an alarm is actuated to warn of a condition that requires corrective action.