hinge region

By using local confinement in the plastic hinge region, A CCFT column can acquire improved ductility compared with a CFT column under cyclic loading.

它通过在方钢管混凝土柱的塑性铰区域设置局部约束以有效提高柱在往复荷载作用下的延性，克服传统方钢管混凝土柱由于局部屈曲而导致的延性不足的抗震缺陷。

Methods: To obtain the sequence of NKM, we utilized 8 × glycin for hinge region to connect NIF with KGF by over-lap PCR.

方法：以8个甘氨酸作为铰链区，运用over-Lap PCR的方法将NIF与KGF连接，获得双重抗肺纤维化基因嵌合重组体NKM的基因序列。