: loss of polarization; especially : loss of the difference in charge between the inside and outside of the plasma membrane of a muscle or nerve cell due to a change in permeability and migration of sodium ions to the interior â¦ partial depolarization of the ventricular tissue resulting from rapid conduction of the electrical impulse from the atrium ...
Cruise Speed (Normal)473 knots. Cruise Speed (Normal). Compared to the average Turbofan-powered Narrow-body Commercial Passenger Plane, which cruises at 458 knots (527 mph) to maximize range and can cruise at a maximum speed of 472 knots (543 mph), the Bombardier CRJ700: 1  Maximizes its range at a 11 knot (13 mph) lower speed (a 2.4% margin).
Click for large version.Photo Â© Rob Jordan More cockpit photos... Powerplants Two 56.4kN (12,670lb) or 61.3kN (13,790lb) with automatic power reserve General Electric CF-34-8C1 turbofans. Performance High speed cruise 860km/h (464kt), normal cruising speed 818km/h (442kt). Max certificated altitude 41,000ft. Range with 70 passengers and reserves 3152km (1702nm). ER variant range with 70 passengers and reserves 3763km (2032nm).