... Martensitic transformation 马氏体转变 Nil ductility 无延性 Transition 转变、转换、过渡、过渡段 ...
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为了促进技术交流，介绍了国际通用的落锤试验方法、标准选用、无延性转变温度与基准无延性转变温度的关系以及在实际应用中的注意事项。
In order to promote the technique development, we introduce conventional drop-weight test, selection of standard, the relationship of T_(NDT) and RT_(NDT), and the application instances.
纯弯段无腹筋的高强轻集料钢筋混凝土梁在破坏时表现出较强的脆性，延性要比同一强度等级普通混凝土梁略差。
And reinforced high-strength lightweight concrete beam is less ductile as compared with the normal-weight concrete beam of the same concrete strength.
尝试利用遗传-神经网络模型，对无粘结部分预应力高强混凝土梁的延性进行预报。
In this paper, the genetic algorithm-neural network model is used to predict the ductility of unbonded partially prestressed concrete beam with high strength.
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