دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the scientific study of volcanoes and volcanic phenomena. Also called vulcanology.

n: the unit of electric potential, voltage, or electromotive force in the metric system.

n: potential difference or electromotive force, measured in volts.

n: see primary cell.

n: an instrument used to measure, in volts, the difference of potential in an electrical circuit.

n: the amount, or quantity,

n: The ratio of the volume of solid phase grains of drilling fluids to the total volume of drilling fluids in drilling .

n: see positive-displacement meter.

n: The total quantity of drilling fluids in the inner of drillstring ,the annular and slurry pool.