: 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).
A TGV test train set the record for the fastest wheeled train, reaching 574.8 km/h (357.2 mph) on 3 April 2007. But its speed has been limited to 320 km/h (200 mph). On the other hand, CRH remains the fastest train in service. The maximum speed of CRH2C/3 trainsets is 350 km/h (220 mph). The new trainsets CRH380A have the maximum test speed of 416.6 km/h (258.9 mph). The fastest trainsets CRH380BL has the maximum test speed of 487.3 km/h (302.8 mph). See this.