The heat resistant poly(lactic acid) was studied, the structure and properties were characterized by FTIR, DSC, TG, X-ray diffraction, heat shrinkage and breakage strength.
研究了一种耐热聚乳酸，并对其进行了红外光谱、示差扫描量热分析、 热重分析、X-射线衍射、热收缩及断裂强力等测试。
Causing the breakage of arthritis osseous and make the function of the arthritis lost, at this time, the X-Ray diagnosis is sensible while meaningless to the diagnosis and recovery of RA.
造成关节骨质破坏并使其关节功能不可逆的永久性功能丧失为晚期RA，此时X线片诊断敏感而特异性高，但对RA的诊断和康复意义不大。
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