Then gel fraction was taken as characteristic param eters to character the m e-chan ical property of propellant during the storage course.

• 统计检验的结果同时证明,这种线性相关性是与老化温度无关的单一对应关系,可以将凝胶分数作为特征参数表征推进剂在贮存过程中的力学性能状态。