An approximation for the decay heat curve valid from 10 seconds to 100 days after shutdown is. where is the decay power, is the reactor power before shutdown, is the time since reactor startup and is the time of reactor shutdown mesured from the time of startup (in seconds).
Freebase(0.00 / 0 votes)Rate this definition: Quail. Quail is a collective name for several genera of mid-sized birds generally considered in the order Galliformes. Old World quail are found in the family Phasianidae, and New World quail are found in the family Odontophoridae.
Quails are extremely popular game birds. The Old World quail has never been naturalized in America; in the central and S United States the bobwhitebobwhite, common name for an American henlike bird of the family Phasianidae, which also includes the pheasant and the partridge.