Results The values of D_q,D_0 and SF_2 were 1.54Gy,0.82Gy and(0.448) in acute irradiation group,1.74Gy,0.89Gy and 0.548 in 15 minute irradiation group,1.72Gy,1.00Gy and 0.558 in 30 minute irradiation group,respectively.

• D0值分别为0.；82、0