....5Mg合金；铝合金；时效特性；显微组织；Sn[gap=868]Key words: Al-2.5Cu-1.5Mg alloy; aluminum alloy; ageing characteristics; microstructure; Sn...
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本文详细论述了采场老顶变形的时效特性及其粘弹性解。
The paper describes the time effect characteristics of main roof deformation and its viscoelastic solution.
用有效扩散理论分析了颗粒增强复合材料的固溶时效特性。
The solution and aging behaviors of the composites are analyzed through effective diffusivity theoretical equation.
软土隧道地表长期沉降特性与隧道的渗透性以及周围土体的时效特性密切相关。
The drainage condition combining with the time-dependent properties of the surrounding soil played an important role in the evolution of long-term surface settlement over tunnels in soft soils.
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