设计了铝合金半固态模锻标准拉伸试样模具，采用一模五件。
In the paper, moulds of semi-solid forging standard tensile samples of aluminum alloys are designed, and one set of mould can produce five samples once a time.
使用DDS - 70微机控制电磁式振动三轴仪，对三种尾矿砂试样进行了动强度、动本构关系、动弹模阻尼比三方面动力特性研究。
DDS-70 electromagnet kinetic equipment was used to study the dynamic strength, stress-strain relationship, dynamic modulus and damping ratio of three tailing sand types.
应用毛细管流变仪测量了在接近实际挤出工艺条件下低密度聚乙烯熔体的流变性质； 应用流动可视化技术，观测了试样熔体流经突然收缩的轴对称口模时的入口收敛流型。
The entry convergent flow pattern was observed with flow visualization technique when the resin melt flowed through a die featuring abrupt contraction in cross-section of channel and axial symmetry.
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