1) low draft
低倍牵伸
2) Draft Multiple
牵伸倍数
1.
Influences of Nesting Zone Draft Multiple on Compact Yarn Quality;
集聚区牵伸倍数对紧密纱质量的影响
2.
Discussion of Relation of Filament Draft Multiple and Rotor Complex Yarn Structure;
长丝牵伸倍数与转杯复合纱结构关系的探讨
3.
Influence of Draft Multiple in Nesting Zone on Comprehensive Performance of Compact Yarn
集聚区牵伸倍数对紧密纱综合性能的影响
3) draft ratio
牵伸倍数
1.
Effect of polyurethane filament draft ratio on elastic fabric performance
氨纶丝预牵伸倍数对弹力织物性能的影响
2.
The effects of rotor speed, draft ratio and twist factor on the properties of elastic rotor-spun yarns were investigated, and the technology optimizing was done through the orthogonal test.
分析了转杯速度、牵伸倍数、捻系数对弹性转杯纱性能的影响,并通过正交试验对工艺参数进行了优化。
3.
By changing draft ratio and linear density of spandex, different kinds of cotton/spandex composite yarns were produced on a modified rotor spinning frame and their surface appearance and properties were tested and analyzed at the same time.
介绍了转杯纺棉氨复合纱的纺纱原理,并在经过改装的转杯纺纱机上,选用两种规格的氨纶丝,通过调整氨纶丝的牵伸倍数纺制不同外观和性能的转杯纺棉氨复合纱。
4) pre drafting ratio
预牵伸倍数
1.
6tex/40D soybean protein fiber /spandex core spun yarn are analyzed with the best pre drafting ratio thus determined.
6tex/4 0D大豆蛋白纤维 /氨纶包芯纱在不同的预牵伸倍数下的断裂强力和断裂伸长进行了分析 ,确定了最佳的预牵伸倍
6) draft
[英][drɑ:ft] [美][dræft]
牵伸
1.
Friction Field Analyses and Processing Configuration Test of Spinning Draft;
细纱牵伸摩擦力界分析及工艺配置试验
2.
Development of Draft Processing of Cotton Spinning(The First Part);
棉纺细纱大牵伸工艺的演变与发展(上)
3.
Development of Draft Processing of Cotton Spinning(The Last Part);
棉纺细纱大牵伸工艺的演变与发展(下)
补充资料：低倍摄影
低倍摄影(Macrophotography)又叫超近摄或者放大摄影。以与近摄同样的设想，将摄影镜头和胶片的距离延长，使倍率提高。在胶片表面上的倍率，从倍率相等到实际应用总有个限度。纵然是放大照片也不过50倍上下，这从分辨力有角度上考虑也有个限度。从总倍率角率考虑，虽与显微镜照相有所重复，但低倍摄影方面，有将景深容易增大的优点。供作记录摄影方面的作用很大。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条