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1)  true draw ratio
真实拉伸比
2)  draw ratio
拉伸比
1.
The stability of Nylon 66 technical yarn properties was obtained by adjusting of spinning viscosity, draw ratio, take-up tension and godet temperature.
通过调整纺丝黏度、纺丝拉伸比、卷绕张力、拉伸辊温度等可以对尼龙66工业丝物理性能的稳定起到很重要的作用,尤其是可以使其均匀性提高,三项主要物性指标工序能力控制指数(CPK)达到1级以上。
2.
The results showed that the relative molecular weight and its distribution of polypropylene, isotacticity, spinning temperature, quenching speed, draw ratio, drawing godet temperature and oiling amount had evident effect on yarn irregularity.
结果表明,聚丙烯的相对分子质量及其分布、等规度和纺丝温度、冷却吹风速度、拉伸比率、上热盘温度以及上油量等对纤维不匀率产生明显的影响。
3.
The influences of draw ratio(λ)and compatibilizer contents(C g)on PA66 fiberization and mechanical properties of the composites were investigated.
用挤出 -拉伸 -注塑法制备了PP/PA66原位复合材料 ,研究了拉伸比 (λ)和增容剂用量 (Cg)对PA66成纤性和材料力学性能的影响。
3)  hot stretching ratio
热拉伸比
4)  stretch ratio
拉伸比
5)  principal extension ratio
主拉伸比
6)  tensile test
拉伸实验
1.
In the tensile test the strength of joint was higher than that of base plate.
8mm CuSi3,通过优化选择工艺参数,获得了成型良好的钎焊接头,通过钎焊接头厚度的加强,在拉伸实验中,钎焊接头的强度超过了母材。
2.
Femoral venous strips and rings were used to make uniaxial tensile test of the longitudinal and circumferential specimens of the vessels.
各组取股静脉,做成血管条及血管环并分别做轴向和环向拉伸实验;对照组和实验组的血管试样均行显微结构观察。
3.
The data of the seal strength were obtained by tensile test.
通过对冠盒式容器封口的拉伸实验,获得了容器封口强度的实验数据。
补充资料:固有拉伸比
分子式:
CAS号:

性质:也可称自然拉伸比。是指在一定温度下材料在屈服应力作用下伸长的倍数,即材料拉伸前后长度之比。各种聚合物的固有拉伸比是不同的,如聚苯乙烯为1.5~3.5,高密度聚乙烯为5~10。

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