阐述了粗纱工艺参数中定量、粗纱捻系数以及细纱后牵伸的选择。
This article relates how to select fixed-quantity and twist in the technology parameters of roving, and back draft in the technology parameters of spun yarn.
通过控制前罗拉与后罗拉的转速，由软件实现对粗纱牵伸倍数与捻度的控制。
By controlling the speed of front roller and back roller, the software controls the pulling times and twisting degree.
赛罗纺配用的后导纱器对粗纱产生的假捻会影响细纱牵伸的稳定性和成纱条干。
The false twist by the back roving guide in Siro spinning can affect the stability of yarn drafting and the evenness of the yarn.
解决了分段牵伸后羊绒条干恶化问题。
Solving the deterioration problem of cashmere slivers after sectional drafting.
结论缓慢牵伸对周围神经造成的亚临床损害是可逆的，而且这种损伤可在牵伸后8周大部分恢复正常。
Conclusion the subclinical damage of peripheral nerve during limb lengthening are temporary reversible and can recover to normal after 8 weeks of lengthening.
随牵伸速率的增大，LDPE相结晶度出现先增加后减小的变化，晶体缺陷增多。
The crystallinity of LDPE increased firstly and decreased later and the crystal defects might increase as drawing rate increased.
改造后试纺结果表明，仿R2P牵伸形式的细纱牵伸工艺设计合理，扩大了纺纱工艺选择范围，提高了成纱质量。
The trial spinning shows that the spinning draft processing of innovated draft set is reasonable, and the innovation enlarge the choice range of spinning processing and enhance yarn quality.
改造后试纺结果表明，仿R2P牵伸形式的细纱牵伸工艺设计合理，扩大了纺纱工艺选择范围，提高了成纱质量。
The trial spinning shows that the spinning draft processing of innovated draft set is reasonable, and the innovation enlarge the choice range of spinning processing and enhance yarn quality.
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