sin2
sin2
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Chaotic Threshold of Dynamical System with Nonlinear Term sin α - b sin2 α
具有sinα-bsin2α非线性项的动力系的混沌阈
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The reason of the 2 θ - sin2 ψ curves splitting is caused by the main stress plane not parallel to the surface of the sample .
2θ-sin~2φ曲线分离是由于主应力平面不平行试样表面而引起的。
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This article introduces a new measurement method by X-ray . The sin2 ψ method is combined with the grazing incident X-ray diffraction technique to obtain the depth profiles of the residual stress in the ground samples .
本文介绍了一种残余应力测量新方法,该方法联合使用sin2ψ法和掠入射X射线衍射法从而得到残余应力在试件中的深度分布。