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- natural draw ratio 自然拉伸比
- The practical experiments showed that fiber spinnability was optimized when spinneret negative draw ratio was -73%. 工业化试验表明:当喷丝头负拉伸率为-73%25时,纤维可纺性达到最佳状态。
- The super molecular structure of UHMWPE fibers changes with the increasing draw ratio, which are measured by WAXD, DSC, SAXS and Raman spectroscopy. 用WAXD、DSC、SAXS及拉曼光谱等测试手段,研究了拉伸过程中UHMWPE纤维的超分子结构变化。
- By adjusting the temperature, draw ratio, D/R and design-finalized parameters, the optimal processing parameters were found. 通过对热箱温度、拉伸比、拉伸倍数及热定型等工艺参数的调整,确定了最佳的生产工艺参数。
- The dance floor is naturally hypnotic and will naturally draw you in. 舞池像是催眠药，很自然的把你吸引进去。
- Effects of draw ratio,modification through blending and surface treatment with chemical reagents on the ad-hesion and tenacity of UHMW-PE fiber were preliminarily investigated. 初步研究了拉伸倍率、共混改性、化学试剂表面处理对超高分子量聚乙烯（UHMW-PE）纤维粘接性和强度的影响。
- 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. 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。
- When the draw ratio was 7, the friction coefficient and the wear rate along the draw direction was lower than that of undrawn PTFE by about 15% and 40%, respectively. 2. 拉伸比为7的PTFE沿拉伸方向的摩擦系数和磨损分别降低15%25和40%25。
- The axial drawing ratio and hoop extension ratio should be properly matched. 轴向拉伸比和环向扩张比要合理匹配。
- The process parameters including heat-plate temperature, heat-plate draw ratio of stretcher, speed of stretcher and crimper pressure of stretcher have important effect on bulky top shrinkage. 拉断机的热牵伸倍数、电热板温度、制条速度和出条卷曲压力也对成品毛条汽蒸收缩率有重要影响。
- We are naturally drawn to try out the same ideas on electromagnetism. 我们要在电磁学中检验同样的想法。
- Set the looking glass that get to wear those who become this the brightest hotspot, will colorful feeling makes full nature draw the look of epigone. 镶钻的镜架成为此款的最亮看点，将华美感作足自然吸引追随者的目光。
- The results showed that reducing melt viscosity fluctation,increaing draw ratio and circular blow filter sieve area,adjustment colletion tow angle could decrease the linear density uneveness. 结果表明减小熔体粘度波动、提高拉伸倍数、加大环吹滤网进风面积和调整集束丝束转角可降低线密度不匀率
- She smiles, noticing how all the couples are naturally drawn to one another. 她带着微笑，注视着一对对腻在一起的情侣。
- While polyester fiber is subject to different draw ratio and heating temperature during high speed spin-fling, its original molecular orientation and crystallinity of polyester fiber are changed. 摘要聚酯在高速纺丝过程中，施以不同的拉伸倍数与温度，会造成纤维结晶度与取向度的变化，从而影响纤维的物理性能。
- It is natural for a cat to catch mice. 猫捉老鼠是本能。
- The stability of Nylon 66 technical yarn properties was obtained by adjusting of spin-fling viscosity, draw ratio, take-up tension and godet temperature.The CPK index of 1.33 was achieved. 通过调整纺丝黏度、纺丝拉伸比、卷绕张力、拉伸辊温度等对尼龙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。
- It's natural to slack2 off towards the end of a hard day's work. 一天紧张工作快结束的时候有些放松是自然的。
- Many natural materials are becoming scarce. 许多天然原料越来越少。
- The stability of Nylon 66 technical yarn properties was obtained by adjusting of spinning viscosity, draw ratio, take-up tension and godet temperature.The CPK index of 1.33 was achieved. 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。
