The mechanical properties of ultrahigh molecular weight polypropylene films with various draw ratios have been studied by WAXD and dynamic mechanical measurements.
用x -射线衍射、动态力学测定等手段研究了不同拉伸倍数的超高分子量聚丙烯薄膜的力学性能的变化。
To analyzed the single-layer reticulated domes of difference ratios of height to span and discover that the increment of the ratios of height to span, dynamic stability critical load decreases.
对不同矢跨比的单层球面网壳结构进行了分析，发现随着矢跨比的增大，动力稳定临界荷载减小。
The effects of the consolidation ratios on the maximum dynamic shear modulus and the dynamic shear modulus versus the shear strain of sands are presented by using the resonant column method.
采用共振柱试验方法，研究了固结比对砂土最大动剪切模量以及对动剪切模量比与剪应变非线性关系的影响。
Side-mode suppression ratios and dynamic behavior of wavelength transients, which probably affect the measurement of frequency response, are also investigated.
文中也研究了系统中可能会影响频响特性测量的其他因素，如光源的边模抑制比、波长调谐速度等。
The variation of their dynamic and static Poisson's ratios is not regular.
干燥与饱水岩样的动、静泊松比变化规律性较差。
In this paper a model for the whole process of soil compacted by dynamic compaction is proposed and the problems of two ultimate void ratios are discussed.
提出一个强夯中土体被夯实的全过程模型，讨论了两个极限孔隙比问题。
The dynamic strain aging of low carbon steel is the main reason of low plastic strain ratios value of the ferrite rolled strip.
低碳钢的动态应变时效行为是导致其铁素体轧制薄板塑性应变比值较低的主要原因。
The dynamic strain aging of low carbon steel is the main reason of low plastic strain ratios value of the ferrite rolled strip.
低碳钢的动态应变时效行为是导致其铁素体轧制薄板塑性应变比值较低的主要原因。
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