دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the depth of the solid desiccant bed, in a solid desiccant dehydration system, from saturation to initial adsorption. mast n: a portable derrick that is capable of being raised as a unit, as distinguished from a standard derrick, which cannot be raised to a working position as a unit For transporting by land, the mast can be divided into two or more sections to avoid excessive length extending from truck beds on the highway. Oil workers and manufacturers often use the words mast" and "derrick" interchangeably. Compare derrick.