On this basis, variation law of AZ31 tensile strength at room temperature was studied after the once deformation and twice deformation.

在此基础上，研究AZ31镁合金在一次变形和二次变形后的常温抗拉强度的变化规律。

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The variation law of AZ31 tensile strength at room temperature was studied after the once deformation and twice deformation.

研究了AZ31镁合金在一次变形和二次变形后的常温抗拉强度的变化规律。

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The deformation law of both solid and local upsetting processes for cylinder forging is investigated by moire method at room temperature and numerical simulation in this paper.

本文用常温云纹法与数值模拟法研究了筒体锻件整体镦粗与局部镦粗工艺的变形规律，得到了整体镦粗工艺的坯料尺寸图。

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Unlike large glass mirrors which are subject to the vagaries of humidity, thermal dynamics and constant deformation from gravity itself, liquid mercury which remains molten at room temperature can reflect as much as 75 percent of incoming starlight with little of the fuss associated with large conventional mirrors.

FORBES: Liquid Mirror Telescope Technology Finally Going Mainstream