对反应器壳体剩余壁厚在新工况条件下的强度和当量应力进行了校核；
The strength and equivalent stress of the remainder wall thickness of reactor shell under new working condition were checked.
预应变可以延长疲劳裂纹形成寿命，提高疲劳裂纹形成的抗力系数和裂纹形成的当量应力门槛值；
The pre-straining prolonged the fatigue crack initiation life, and increased resistance coefficient and equivalent stress threshold of the fatigue crack initiation.
对比结果表明，叠合式节流阀片的设计原则、当量厚度和应力计算方法是准确和有效的。
The compared results show that the design scheme is effective and the formulas for equivalent thickness and maximum stress of the throttle multi-slice are accurate enough.
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