The molecular long chain branch structure of metallocene polyethylene has great effects on it's rheological behavior, long chain branch can significantly enhance melt elasticity and shear thinning.
茂金属聚乙烯的分子链长支化结构对其流变特性有重要影响，长支链可以使熔体弹性和剪切变稀效应明显增强。
2
The crack problem in an infinite mediums of functionally graded material (FGM) subjected to antiplane shear is studied by using nonlocal linear elasticity theory.
根据非局部线弹性理论研究了剪切模量为指数型的无限大功能梯度材料反平面裂纹问题。
3
This paper has arrived at the compressive strength, shear strength, modulus of elasticity, poisson's ratio, moisture content, water absorption and softening factor of lime-sand brick masonry.