该方法利用相似系数在各构件的耐久性指标序列之间进行相似性度量，并形成了具有分类功能的模糊等价矩阵。
The method measures the similarity of durability index series of components by the use of similarity coefficient and forms a fuzzy equivalence matrix with sort function.
最后，本文提出用BP神经网络预测混凝土抗冻耐久性系数的方法。
Finally, a new approach (BP Network) to predicting the durability factor of concrete has been proposed here.
混凝土的氯离子扩散系数是预测混凝土中钢筋锈蚀及结构耐久性的重要参数。
The chloride diffusion coefficient of a concrete is an important parameter in predicting the corrosion of steel in a concrete and the durability of the structures.
酸度系数高，具有良好的化学稳定性及纤维耐久性。
High acidity coefficient, good chemical stability and fiber durability.
实验研究了不同操作温度对分离系数及渗透通量的影响，并考察了该复合膜在丙酮水溶液中的耐久性。
The permeation rate of water and the separation factor were examined at several operation temperature. The acetone-tolerant property of the composite membrane was investigated experimentally.
耐久性系数与强度下降率之间相关系数达到0.9。
Coefficient of durability and intensity decline rate will reach 0.9.
通过大量试验，系统研究了人工砂高性能混凝土的耐久性，对抗渗性、抗冻性、氯离子扩散系数等项目进行了测试。
Through a great deal of experiments, the durability of HPC with artificial sand are studied systematically. Impermeability, freezing resistance and chloride ion diffusion are tested.
酸度系数高，具有更好的化学稳定性及纤维耐久性。
High acidity has better chemical stability and fiber durability.
酸度系数高，具有更好的化学稳定性及纤维耐久性。
High acidity has better chemical stability and fiber durability.
应用推荐