The hardness gradually increased, while the tensile strength and elongation at break decreased gradually. With the elongation of time, these change gradually flattened.
硬度增大，而拉伸强度和扯断伸长率则逐渐降低，随老化时间延长，变化趋势逐渐平缓。
With the increase of elastomer content, the tensile strength and elastic modulus of the blends decreased, while the elongation at break increased.
随着共混物中弹性体质量分数的增加，共混物的拉伸强度和弹性模量降低，扯断伸长率增大。
The results showed that the sample by adding the ultrafine powders of silica aerogel increased the tensile strength 54%, the elongation at break 64%, decreased the abrasion loss 20%.
试验结果表明，加入湿法白炭黑超细粉的试样拉伸强度比添加气相法白炭黑者提高了54%，扯断伸长率提高了64%，磨耗量降低了20%。
The results indicated that with the increase of the content of the extender oil, the tensile strength decreased, while the elasticity increased and elongation at break improved.
结果表明：随着填充油用量的增加，拉伸强度下降，弹性回复增加，断裂伸长率也增大。
In general, the tensile strength and Shore A hardness of PVC/CPE/black liquor powder composites were increased while the elongation at break was slightly decreased after thermo-oxidative aged.
添加黑液干粉的复合材料，在热氧老化后拉伸强度和邵尔A型硬度增加，断裂伸长率稍有下降。
Results showed that the tensile strength decreased with increasing water contents in the film, but at the same time elongation at break was raised.
结果表明，随着PV A吹塑薄膜含水率的增加，其拉伸强度下降，但断裂伸长率增加。
The specimen by route C ECAE processing was isotropic and its impact strength increased, tensile strength decreased, elongation at break improved and show…
经C路径的二次ECAE加工后试样为各向同性材料，其缺口冲击强度较PP有所提高，拉伸强度下降，断裂伸长率提高，表现出很好的延伸性。
The results showed that unmodified nano-CaCO_3 had important effect on the improvement of the elastic modular, elongation at break and impact strength of PTFE. But the tensile strength was decreased.
结果表明：未改性的纳米碳酸钙显著提高了复合材料的弹性模量、断裂伸长率和冲击强度，但复合材料的拉伸强度有所降低。
The results showed that unmodified nano-CaCO_3 had important effect on the improvement of the elastic modular, elongation at break and impact strength of PTFE. But the tensile strength was decreased.
结果表明：未改性的纳米碳酸钙显著提高了复合材料的弹性模量、断裂伸长率和冲击强度，但复合材料的拉伸强度有所降低。
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