...化制备及生物学评价 6和120h时材料两断端厚度、极限抗张强度（ultimate tension stress，UTS）和断裂伸长率（strain of failure，SOF），绘制应力-应变曲线。取成年杂种犬3只，体重20～30kg，雌雄不限。
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拉伸强度和断裂伸长率均随辛醛含量的增加而降低。
The results showed that with increasing content of TPU, elongation at break and notched impact strength of the blends increased.
该膜的抗张强度和断裂伸长率则明显地依赖于辐射剂量和聚合物的混合比例。
Their tensile strength and elongation at break were obviously dependent on irradiation dose and blending ratio of the polymers.
研究了胶原蛋白膜的抗张强度和断裂伸长率与膜中各组成成份含量之间的关系。
The relationship of the tensile strength, elongation at break of the collagen film and the contents of each components were studied.
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