The study find the best quality scale of the additives, then use this system to experiment and data extrapolate with GM (1.1). Finally the age of this improving system is forecasted.

• 得到各种添加剂的最佳质量配比；再对最优组合进行多次熔冻循环的寿命实验；并对实验数据利用灰色理论GM(1.；1)模型进行了数据处理以及合理的数据外推。