For the less daring, a great run, bike ride, or spinning class can do the trick. 对于胆小一些的,跑步、骑自行车或动感单车课程都行。
This means yarns can be made rapidly. Coverspun yarns have the following properties. Spinning can be carried out at very high speed and there is very little handling of the thread. 这就意味着纺纱速度可以很高。包缠纱具有下述的特点:纺丝速度较高且对纱线的接触和操作较少。
Its spinning performance can be improved by modifying PHA with chain extender, plasticizer and nucleating agent and using special finishes. 提出可通过添加扩链剂、增塑剂、成核剂改性PHA及使用专用油剂来提高其纺丝性能。
Finally, the spinning can be done successfully, the broken ends can be reduced, the yarn quality can be improved stably, and use requirement can be satisfied. 结果使纺纱顺利进行,断头减少,成纱质量稳定提高,满足了使用要求。
Textile spinning can of paper pulp paper or paperboard 纸浆、纸或板制的纺纱筒
The experiments indicate that a reasonable choice of spinning apparatus can improve the evenness and hairiness value of the yarn. 通过试验表明合理选用纺纱器材可逐步改善成纱的条干值和毛羽值。
Bamboo fiber vortex spinning quality can enhance through advancing fiber regularity of card sliver and decreasing hook and neps. 通过提高生条中纤维整齐度,减少弯钩和棉结,可以提高竹纤维涡流纺纱的质量。
Using compact spinning set developed by myself, spinning experiment is done with cotton and wool, the result is that compact spinning can decrease yarn hairiness effectively. 采用自行研制的紧密纺装置对棉和毛进行纺纱试验,结果表明紧密纺对降低纱线毛羽效果明显。
The use results show that the molecular weight regulators added in the spinning can improve the spinning performances of PP, the filament fineness and the hand of the spunbonded nonwovens; 结果表明,纺丝过程中加入分子量调解剂,可以改善聚丙烯的纺丝性能,降低纤维纤度,改善非织造布手感;
A fiber spinning technique is introduced, the sinusoidal-rate spinning can effectively decrease the birefringence and increase the mode-coupling of the fiber. 介绍了光纤旋转技术,采用正弦旋转技术可有效降低光纤的双折射并增加模式耦合。
The development of spinning technology and the research of yarn structure are reviewed in this paper. The spinning technology can be classified as ring spinning, unconventional spinning, structural and composite spinning. 本论文首先回顾了纱线加工技术的进展,以及纱线结构的表征及其研究方法,并将纱线加工技术的进展分为三大类:环锭纺、新型纺纱和结构与复合纺纱。
It is considered that unpneumatic compacting spinning can save final cost by saving airflow cost, but compacting effect of unpneumatic spinning system is worse than that of pneumatic spinning system, roller spinning system and grid ring system. 认为非气流集聚型紧密纺纱系统虽可省去气流消耗而节约成本,但集聚效果不及气流集聚系统中的罗拉集聚和网格圈集聚。
The spinning methods of Spandex are dry spinning, wet spinning, chemical reaction spinning and melt spinning. The output of dry spinning can reach 80% of Spandex total output in the world. 氨纶的纺丝方法有干纺、湿纺、化学反应纺丝和熔融纺丝法,干纺产量占世界氨纶总产量的80%。
On the premise of ensuring the yarn's quality and automatical threading, the effective reduction of the amount of broken ends is the crux of whether the vortex twisted static electricity spinning can go into the intermediate test. 在保证纺纱质量和自动引纱的前提下降低断头,是涡旋加捻式静电纺能否进入中试的主要关键。
Air-jet spinning can spin chemical fiber, polyester/ cotton and pure cotton, but different material yarn has different performance. 喷气纺纱适纺于纯化纤、涤/棉、纯棉等不同原料,但不同原料其成纱性能不同。
The false twist by the back roving guide in Siro spinning can affect the stability of yarn drafting and the evenness of the yarn. 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。
Good technique effect in spinning can be obtained through using the procedures of counting and combing, and attaching importance to the function of worsted control. 论述了在发挥清、梳工序除结杂少短绒的同时,充分重视精梳在控制棉结,排短除杂方面的作用,才能获得较好的纺纱工艺效果。
The experiment indicates that the current waste silk spinning equipment can produce relatively high quality silk-wool blended yarn by selecting proper blending ratio, appropriate process and technical parameters. 通过试验认为:用现有绢纺设备,合理选择混纺比,采用适当的工艺路线和工艺参数,能够纺制出较高质量的丝/毛混纺纱。
Material choice and processing optimizing are very important in reducing hairiness online, compact spinning technology can also reduce hairiness efficiently. Technique measures of adopting wet slip, high pressure sizing and pre-wetting sizing and so on can reduce yarn hairiness. 采用紧密纺纱技术可有效减少毛羽,浆纱工序通过采取湿分绞、高压上浆及预湿上浆等技术措施,可以改善和减少纱线的毛羽。
Rapid solidification such as melt spinning can improve the cycle stability of the alloy effectively, but it also leads to decreases in initial activation rate and discharge capacity. 快淬技术如熔体喷带法可有效改善合金的循环稳定性,但却导致其活化速度和放电容量下降。
The dissertation expounds that composite spinning can solve the problem of being short of superfine fibre in high-count wool spinning. 阐述了利用复合纺纱技术解决纺制高支毛纱时超细羊毛不足的问题。
The result shows that neps of rotor spinning yarn can be improved effectively through reasonable cotton assorting, optimizing processing, strengthening equipment operation management, control moisture temperature according to the principle and speciality of neps generating reasons. 结果表明,针对棉结形成原理及特点,通过合理配棉、优选工艺、加强设备与操作管理、严格控制温湿度,转杯纱棉结可得到有效控制。
The Compact Spinning can eliminate the twist triangle of the conventional Ring Spinning, so as to decrease the hairiness of yarns, increase tensile strength and elastic perfor-mance, decrease the breakage during the spinning. 集聚纺纱可消除传统环锭纺纱的加捻三角区,从而减少纱线的毛羽、提高纱线强力和弹性、减少纺纱断头,便于后道工序加工。
Are of great importance, the rational selection of spinning technology can not only obtain the expected cross-sectional shape but also improve the aftertreatment processing of POY. 合理地选择纺丝工艺,不但能获得预期的截面形状,同时可改观POY的后加工性能。
The result shows that domestic V type draft set with reasonable spinning processing can improve yarn quality and reduce evenness CV. 指出:采用国产V型牵伸装置,合理配置纺纱工艺,可以改善成纱质量,降低条干CV值。
Though the traditional solution electro spinning can produce thinner fibers, there are some problems in the solvent recovery and matching the right solvent, which limit much in industrial application. 传统的溶液静电纺丝虽然能够制备较细的纤维,但是其存在溶剂回收以及匹配合适溶剂等问题,在工业化应用时受到了很大的限制。
The research mainly involves yarn forming mechanism, spinning process parameter adjustment, yarn structure theory and computer application. So that, MVS spinning technology can improve constantly. 其研究主要是从成纱机理、纺纱工艺参数的调整、成纱的结构理论以及计算机在MVS纺技术中的运用等方面入手,不断提高喷气涡流纺技术。
While the melt electro spinning can avoid these problems, thus it has more development space compared to the solution electro spinning. 而熔体静电纺丝则不会存在类似的问题,因而相比前者具有更好的发展空间。
The results showed that the Compact-Siro Spinning system can decrease yarn hairiness, improved yarn strength and elongation, regularity of yarn. It displays superiority compared with sirospun yarn, compact yarn and traditional ring-spun yarn. 试验研究结果表明:与普通环锭纺单纱、赛络纱及紧密纱相比,紧密赛络纱成纱毛羽明显减少,成纱强伸性能和条干得到了较好的改进,突显其优越性。
The compound spinning can produce a characteristic, combinatorial and structural yarn, provide the possibility of compatibility of the different textile fibers, bring some variant yarns, and expand the variety of yarns. Therefore, it has become a tendency. 复合纺纱技术可以提供更丰富特征、组合和结构的纱线,提供不同纤维配伍的可能,产生各种变异纱系,开拓纱线的品种,因此,复合纺纱已成为纺纱技术发展的趋势。