The femoral head arthroplasty group had the least operation injury but had relative higher reversionrate and worse joint function compared to the total hip joint replacement group.
人工股骨头置换的手术创伤比全髋置换稍小，但并发症发生率、手术翻修率较高，术后功能比全髋置换差。
2
The results showed that there was slight chemical reaction between NBR and PA under high temperature and high shear rate, but the chemical reaction did not influence on the process of phase reversion.
According to the mean reversion theory, in the long term, the yield rate of stock price appears to follow the rule of mean reversion and negative autocorrelation.