Description: The ratio of the output variable to the rate of change of the input variable; Name: differential factor
Description: for a derivative element, the quotient of the value of the output variable to the value of the time derivative of the input variable; Name: derivative action coefficient
Description: for objects with preferred utilization positions, the overall dimension that is generally oriented on the gravity and (in general) is measured vertically to the floors from the inlet cross-section through to the pump; Name: Elevation of setting of the machine sets, suction-side