列出了确定极限拉伸系数的快速方法。
The express-method of the limit drawing ratio evaluation is presented.
模具拉伸系数是设计拉伸工艺的关键参数。
The cupping ductility value is a key parameter to design traction process of mould.
总结了由此而引起的在极限拉伸系数和最大相对拉伸高度状态下，工业化规模生产的实践经验和有关数据的验证。
It summarized the practice experience and validating of relate data that are about manufacturing under terminal stretching coefficient and maximum relatively stretching height.
分析了影响板料拉深成形极限拉伸系数的因素，指出压边力参数对LDR具有不可忽视的影响，并给出了改造单动液压拉深压边力控制系统提高LDR的方法。
Impact factors of deep drawing LDR are analyzed. parameter BHF which can not be looked down upon is pointed out. Method of rebuilding single press machine for improving LDR is proposed.
对螺栓拉伸强度计算的载荷系数法作了进一步改进。
The load coefficient method of bolt on tensile strength calculation was improved.
拉伸速度的变化对强度变异系数的影响不大。
The drawing speed has little influence on the strength variable coefficient.
用近似解析方法推导出拉伸正交各向异性有限宽板偏心圆孔的应力集中系数的显式表达式，除了比较极端的情况外，该式的精度较好。
Using an approximate analytical method, the explicit expression of stress concentration factors is derived for an eccentric circular hole in a tension orthotropic finite-width strip.
此文以波纹管生产为例，介绍了变系数拉伸法。
This paper, take the production of bellows for example, introduce the method of variable coefficient extension.
随着紫胶用量的增加，膜的溶胀倍数、水蒸气透过系数先降低后变化不大，而拉伸强度上升；
With the increase of lac dosage, solvent swell and water vapor permeability decreased first followed by insignificant change, while tensile strength increased.
本文利用自制的光粘弹性材料，用光弹性法研究了在轴向拉伸荷载作用下带有圆孔的杆件中的粘弹性应力集中系数。
A photoelastic study for the viscoelastic stress-concentration factors in bars with a round hole under axial tension load, using self-made viscoelastic materials is presented in this paper.
通过把劲度系数扩展为矩阵形式，拉伸弹簧的形变与弹力在罗伦兹变换中得到了统一。
By extending stiffness coefficient into stiffness matrix, the deformation and elastic force of tensile-spring coincides with Lorentz transformation.
拉伸试验计算所得的加速系数说明相对湿度和众所周知的温度一样，对降解有明显的影响。
The acceleration factor calculated from tensile testing indicates that the relative humidity has an obvious effect on the degradation together with the well-known effect of the temperature.
本文使用相关系数和脉冲宽度拉伸这两个重要的参数对超宽带天线及天线阵列进行了时域特性评估。
The time domain characteristics were studied both the UWB antennas and array proposed in this thesis with correlation factor and the pulse width stretch ratio (SR).
探讨了原丝预取向度、拉伸温度以及拉伸速度对涤纶短纤维强度变异系数的影响。
The effects of grey yarn pre-orientation degree, drawing temperature and drawing speed on the strength variable coefficient of polyester staple fiber are studied.
探讨了原丝预取向度、拉伸温度以及拉伸速度对涤纶短纤维强度变异系数的影响。
The effects of grey yarn pre-orientation degree, drawing temperature and drawing speed on the strength variable coefficient of polyester staple fiber are studied.
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