The compound of Alkali Surfactant Polymer (ASP) is a kind of viscoelastic fluid, its rheological behavior can be formulated by power law model in simple shear flow within medium shear rate.
就其流变性而言，聚合物溶液和碱—表面活性剂—聚合物（ASP）复合体系均属粘弹性流体，但在中等剪切速率的简单剪切流动条件下，其流变性可用幂律模式描述。
A simple formula for calculating pure shear strength of concrete is derived on the basis of the verified mathematical model of concrete failure surface, the elliptic paraboloid.
本文根据已论证过的混凝土破坏面，即椭圆抛物面的数学模型，报导出一个用以计算混凝土纯剪强度的简单公式。
The lead shear damper is a cheap device of energy dissipation that has superiority performance and simple structure.
铅剪切阻尼器是一种耗能性能优越、构造简单而又十分经济的耗能减震控制装置。
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