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Fracture is caused by sheet's tensile instability, Hill's totalized instability theories and Swift's diffuse instability theories which based on continuous mechanics are applied to isotropic blank; Marciniak and Kuczynski's theories are applied to orthotropic blank, which introduced thickness imperfections normal to the principal stress and strain direction as a groove pre-existing defects in the material. The stability of each part of blank at each moment is described by numerical method, and the results are shown by computer simulation, thus the fracture in sheet forming can be predicted preciously.

拉裂是由于拉伸失稳引起的，以连续体力学为基础的Hill集中性失稳理论和Swift分散性失稳理论应用到各向同性板料进行失稳判定；将Marciniak和Kuczynski的凹槽损伤失稳理论应用到正交各向异性板料拉伸失稳判定，对板料各处在成型过程中不同时刻的稳定性进行数值化描述，并运用计算机仿真技术进行直观的表现，可以准确地预测板料成型中可能出现的拉裂现象。

In this article, the author, through a comprehensive introduction on the concept, the types, the constitutive requirements, supplementary right, remedy for loss of bill and protection for bona fide holder, generalizes the universal rules in blank bill by comparing provisions on blank bill in the major countries of two law systems, and puts forward his idea on perfecting our country's legislation by combining existing condition of blank bill in China

本文通过全面系统的介绍空白票据的概念、种类以及构成要件、补充权、失票救济和善意持票人的保护等内容，对世界两大法系各主要国家有关空白票据的规定加以比较，期望能总结出有关空白票据的一般规律性的内容，并结合我国目前空白票据立法现状予以剖析，提出自己的立法完善的构想。

Each sheet metal blank or section is then advanced to the next station whereby the circle shear apparatus of the present invention cuts a hole in the blank section after which the perforated sheet metal blank is advanced to another station for stacking, sorting or further forming.

每个金属板空白或部分然后被推进到下个驻地，藉以当前发明的圆盘剪用具削减在空白的部分的一个孔，在之后穿孔的金属板空白被推进到堆积，排序或者进一步形成的另一个驻地。

In this study, the simulator was applied to square-cup deep-drawing process, using 36 blank holder modules with 3 embedded hydraulic cylinders, that is, a total of 108 segment blank holding actuators were employed for controlling the material flow of blank into the die cavity.

在这项研究中，这个模拟器是用于制造过程的基础上，利用square-cup 36边模块3嵌入式液压缸，也就是说，共108段压致动器是用来控制物料流进模具型腔的空白。

The draw ratio is the direct relationship between the draw punch and the blank edge—the greater the distance between the draw punch and the blank edge, the greater the resistance to flow, primarily because of the additional surface area of sheet metal clamped between the die face and the blank holder.

拉伸比直接体现在拉延凸模和板料边缘之间的关系--拉延凸模和板料边缘之间的距离越大，限制流动的阻力越大，主要是因为在压边圈和凹模表面间有额外金属板表面被夹紧。

The draw ratio is the direct relationship between the draw punch and the blank edge—the greater the distance between the draw punch and the blank edge, the greater the resistance to flow, primarily because of the additional surface area of sheet metal clamped between the die face and the blank holder.

拉伸率直接体现在拉伸冲头和展开平板边缘之间的关系---拉伸冲头和展开平板边缘之间的距离越大，限制流动的阻力越大，主要是因为在压边圈和模具表面间有额外金属板表面被夹紧。试着用不同尺寸和外形的展开平板进行实验。

With the exception of severe blank holder deflection, these factors can be corrected by making minor permanent adjustments, such as increasing the blank holder force, re-adjusting the equalizer height, and refitting or spotting the blank holder or the die face.

除了压边圈的严重变形外，这些因素都可以通过最小的永久性调整来矫正，如增加压边力、调整平衡块的高度和重新匹配或研配压边圈或凸/凹模的型面。

With the exception of severe blank holder deflection, these factors can be corrected by making minor permanent adjustments, such as increasing the blank holder force, re-adjusting the equalizer height, and refitting or spotting the blank holder or the die face.

除了压边圈的变形外，这些因素都可以通过最小的永久性调整来矫正，像增加压边力，调整平衡块的高度，重新布置压边圈或凸凹模。

This study used sweet potato,blank corn,peanut,sunflower seed and sugar as major material,and by blending sweet potato flour,blank corn flour,peanut and sunflower seed crushed,we can get the instant porridge of sweet potato and blank corn.

以甘薯、黑玉米、花生、葵花籽、白砂糖为原料，经过不同处理，将粉碎制成的甘薯全粉、黑玉米粉、花生、葵花籽按不同配比进行了甘薯黑玉米即食糊的研制。

If you cancel during the first seven days of your initial subscription term, you will receive a full refund of your first month's subscription fee.

如果你取消在头七天你的最初订阅来说，你将获得全额退款，你的第一个月订阅费。

The small blue capacitor has very high chances to go fully shorted compare to electrolytic capacitor which is very rare.

小蓝电容器具有很高的机会去充分地缩短了比较电解电容器，这是非常罕见的。

In the Italian campaigns of 1513 and 1515, when the Swiss won the victories of Novara and Marignan, he acted as army chaplain.

在意大利的运动， 1513年和1515年，当瑞士赢得了胜利，诺瓦拉和marignan ，他担任军队的牧师。