دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: 1. a mineral deposit (e.g., calcium carbonate) that precipitates out of water and adheres to the inside of pipes, heaters, and other equipment. 2. an ordered set of gauge marks together with their defining figures, words, or symbols with relation to which position of the index is observed when reading an instrument.

one of several mineral precipitates that crystallize out of waters at or above the saturation of the ions.