Improvement of strength loss of cotton fabric in anti-crease finish with nano-TiO_2;
纳米TiO_2改善棉织物抗皱整理强力损失
Twist distribution of ring spun slub yarn and its influence on the yarn strength;
环锭纺竹节纱捻度分布及其对强力的影响
Discussion of The Relation Between Single Fiber Strength and Bundle Fiber Strength;
单纤维强力与束纤维强力关系的探讨
Comparative analysis of dynamic and static breaking strength of yarns;
纱线动态与静态断裂强力的比较分析
The chemical and physical properties of the feather fiber were evaluated with weight loss,breaking strength and breaking elongation.
采用质量损失率和断裂强力、断裂伸长等指标,客观评定常温下羽毛纤维的耐化学试剂性能。
The relations between breaking strength/breaking elongation and core-spun degree are analyzed.
分析了断裂强力、断裂伸长率与包覆度的关系。
Conclusion is made that the carding roller is the main cause of the aparting degree of fiber,effecting yarn strength,evenness,slubs and snicks.
为了提高转杯纺纱工序的成纱质量,通过大量的试验数据分析,详细讨论了分梳辊、假捻盘、转杯对成纱质量的影响,指出:分梳辊主要影响纤维分离度,从而影响成纱强力、条干和粗、细节;假捻盘具有假捻效应,主要有利于提高动态强力,降低成纱断头,稳定生产,但不利于提高成纱强力;转杯转速与直径的配置是关键,速度、直径和凝聚槽形状直接影响成纱质量。
Using some experimental data of cotton fiber quality to train the network and then forecasting the yarn strength,it can be obtained that using RBF neural network to forecasting yarn strength can overcome the shortcomings,e.
由于多元线性回归模型对棉纤维的品质和成纱质量之间关系预测精度及适应性较差,提出采用径向基函数对BP神经网络进行改进,使用测得的棉纤维品质部分实验数据对网络进行训练,然后对成纱强力进行预测,得出采用改进后的RBF神经网络对纱线强力进行预测,克服了陷入局部极小和运算迭代量大的缺点,有效地提高学习速度,收敛速度加快,训练时间缩短,预测精度提高,能较好地预测纱线的强力。
In order to explain the effect of these structural parameters on yarn strength,experiments and regression analysis are undertaken to investigate the effect of the first nozzle structural parameters on air-jet spun yarn strength.
4 mm,喷射孔数目为4个时,成纱强力最高。
Two processes for crease-resistant & easy-care finishing of top grade shirting fabrics have been developed and DP rating of the treated fabric is above 4 with formaldehyde content less than 50mg/kg and strength loss below 40%.
实验开发了两套对于高级衬衣面料抗皱免烫整理工艺,整理过后的织物DP可达到4级以上,布面甲醛含量在50mg/kg以下,强力损伤可以控制在40%以下。