The calculation predicts that the number of the strong acid sites on T_A and T_B come up to their maximum around Si/Al ratio of 4.24 and 18.44 respectively.

• 这个计算预言了:处在T_A位上的强酸在硅铝比约为4.；24时数量达到极大；处在T_B位上的强酸则在硅铝比为18