...器之乙烯浓度为20%，下燃烧器之氧气浓度为20%，出口流速为15cm/s，改变不同的旋转角速度( )，探讨火焰型态、拉伸率(stretch rate)和温度场，对火焰合成奈米碳结构的影响。吾人首先进行火焰型态观察和火焰位置量测，接著量测温度分布并计算火焰拉伸率。
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断裂拉伸率 Elongation at Break ; Tensile Elongation Break
慢应变速率拉伸试验 SSRT ; Slow Strain Rate Test
慢应变速率拉伸 SSRT ; slow strain rate tension
拉伸伸长率 Tensile Elongation
拉断伸长率 elongation at break
拉伸断裂伸长率 Tensile Elongation at Break ; Tensile Elongation yield ; Tensile strain at break
临界拉伸速率 critical elongation rate
拉伸强度残率 Tensile strength retention
拉伸强度保持率 Retention tensile strength
·2,447,543篇论文数据，部分数据来源于NoteExpress
工业化试验表明：当喷丝头负拉伸率为- 73%时，纤维可纺性达到最佳状态。
The practical experiments showed that fiber spinnability was optimized when spinneret negative draw ratio was - 73 %.
采用硫氰酸钠为溶剂，湿纺一步法工艺生产腈纶，探讨了喷丝头负拉伸率对纤维成形的影响。
Using NaSCN as solvent, acrylic fiber was produced by one-step wet spinning process. The effect of spinneret negative draw ratio on fiber formation was discussed.
千万不要简单地拉伸一张小尺寸、低分辨率的照片来满足您的布局要求——这样会将您的幻灯片弄得很糟。
Never simply stretch a small, low-resolution photo to make it fit your layout - doing so will degrade the resolution even further.
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