结果表明，较小的混炼机和注射机制造的试样，重量损失、烧结密度和强度的变化程度较小。
It is clarified that the specimens of smaller mixing and injection machines were smaller variation in weight loss, sintered density and strength.
本文研究了在不同的熔体温度和模具温度下，注射成型的聚丙烯塑料试样的静态和动态力学性能；
The static and dynamic mechanical properties have been studied for PP that have been injected at different melt temperature and mold temperature.
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