strength-stress ratio

The tensile modulus and strength of the microfibrillar composites are significantly enhanced with increasing the hot stretching ratio, indicating that the microfibers have a good reinforcement on the PET/ PE composites.

复合材料的拉伸模量和拉伸强度随拉伸比增加显著增加，表明微纤化对材料具有良好的增强效果；

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The tensile strength maintenance ratio of C/ LD2 is about 84%.

在500℃时C/LD2的强度保持率为84.10%。

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Quenching and tempering heat treatment are integrated in order to improve the mechanical properties of fasteners to meet the product requirements of tensile strength and yield ratio value.

热处理调质是为了提高紧固件的综合力学性能，满足产品规定的抗拉强度值和屈强比。

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Results of retained Marshall Stability ( MS0) and Tensile Strength Ratio ( TSR) indicate that without additive, the moisture damage resistance of basalt asphalt mixture may not meet the specifications.

马歇尔试验残留稳定度（MS0）与冻融劈裂试验残留强度比（TSR）结果显示，无添加剂玄武岩沥青混合料的水稳定性不一定能够满足规范要求；

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The yield strength, yield tensile ratio and toughness are major quality indexes of steel pipe ( board). However, it is quite difficult to determine them reasonably.

屈服强度、屈强比、韧性等是钢管（板）的主要质量指标，合理确定这些指标的数值有相当难度。

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