Through the research of corrugated steel shear wall in repeated load, the ultimate load-carrying capacity and hysteresis property is found.

对整片折板钢板剪力墙在反复荷载下滞回性能进行研究，得到了折板钢板剪力墙极限承载力、延性和滞回性能。

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Using Young modulus of apparatus, the hysteresis property of tension exerted by steel wire is analyzed, the experimental way and theoretical principle are provided to check the quality of springs.

利用杨氏模量测定仪对钢丝力的滞后特性进实验分析，为减少实验误差和检验弹簧的好坏提供了一种实验途径及理论依据。

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MnZn ferrite was prepared by hydrothermal method, and its property was described by XRD, hysteresis loop and temperature rise curve.

采用水热合成方法制得了晶相单一的锰锌铁氧体，对样品进行了XRD、磁滞回线和温升曲线的测定。

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