The conduction coefficient calculated according to the one-fluid model is larger than the Spitzer's classical value by a factor of 2-3. After about 3 μ s, the electron temperature dropped sharply, the thermal conduction theory holds no longer. 它比Spitzer计算的经典值大两至三倍。约在3μs以后,电子温度迅速下降,热导理论不再适用。