测试了固化后的聚氨酯胶粘剂胶片的性能，讨论了分子结构对拉伸强度和伸长率的影响。
The effect of molecular structure of polyurethane on tensile strength and percentage elongation were evaluated by measuring the mechanical properties of the cured resin films.
通过试验测试发现粗纱伸长率对粗纱重量不匀率和条干c V值影响显著，强调了控制粗纱张力的重要性。
The test shows that the influence of roving elongation percentage on roving weight unevenness and evenness CV is evident, and the control of roving tension is very important.
研究聚氯乙烯/氯化聚乙烯封套材料的性能，测试封套材料的透湿率、拉伸强度和扯断伸长率。
The properties of the PVC envelop material modified by CPE was investigated, and the moisture permeability, tensile strength and elongation at break were also tested.
本实用新型是一种可以对电缆抗拉、线伸长率和电缆卡握裹力都正确测量的测试仪。
The utility model relates to a tester which can correctly measure the anti-pulling of cable, line elongation and cable clamping holding force.
同时对纤维网的水溶性、断裂强度、断裂伸长率等进行了测试和分析。
The water solubility, broken tensile strength of blend nano-fibers were tested and analyzed.
随炉试样力学性能测试结果表明，屈服强度较高， 伸长率偏低，无法满足该零件技术要求。
The mechanical property testing showed that the yield strength is too high and the elongation rate is less than the technical requirements.
通过测试环向拉伸强度，双向自增强PEX管材的拉伸强度最高可达到32.29%，弹性模量最大可提高13.06%，断裂伸长率平均减小5.88%。
The result reveals that the biaxial oriented PEX pipe can increase the tensile strength by 32.29% at most, while the modulus of elasticity increasing 13.06% and the elongation at break reducing 5.88%.
力学性能测试结果表明，加有pva的PE防雾膜在拉伸强度，直角撕裂强度，断裂伸长率等方面比未加PVA的防雾膜要小，但不影响其使用性能。
The mechanical experimental results showed that PVA had a little effect on the tensile strength, right Angle tear strength and elongation at break, and...
力学性能测试结果表明，加有pva的PE防雾膜在拉伸强度，直角撕裂强度，断裂伸长率等方面比未加PVA的防雾膜要小，但不影响其使用性能。
The mechanical experimental results showed that PVA had a little effect on the tensile strength, right Angle tear strength and elongation at break, and...
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