The express-method of the limit drawing ratio evaluation is presented.
列出了确定极限拉伸系数的快速方法。
The axial drawing ratio and hoop extension ratio should be properly matched.
轴向拉伸比和环向扩张比要合理匹配。
The curves and data of limit drawing ratio, which can be applied in production, are given.
文中给出的锥形件一次拉深成形极限拉深比图线和数表，可供生产实用。
And it is proved that it can reach smaller limit drawing ratio by the deep drawing experiments.
通过拉深工艺试验证明该曲面凹模可以达到很小的极限拉深系数。
The fairly good structure of PGA fiber can be obtained at low spinning velocity and high after-drawing ratio.
采用低速纺丝高倍后拉伸的工艺路线可以得到具有较好结构的PGA纤维。
The tension fluctuation and irregularity of fiber decreases with the increase of drawing ratio, speed and temperature.
增大拉伸比、拉伸速度和拉伸温度能有效地减小张力波动和不匀率。
The drawing tension increases with the increase of drawing ratio and speed, and with the decrease of drawing temperature.
随着拉伸比、拉伸速度的提高和拉伸温度的降低，拉伸张力增大。
Using variable blank holder force can remarkably improve the forming performance, and the limiting drawing ratio would reach 5.0.
采用变压边力可以明显提高板材的冲压性能，极限拉深比将达到5.0。
With the increasing of drawing ratio, the tensile strength of composilefibres is enhanced greatly and good in-situ reinforcement can be obtained.
随着熔体拉伸比的增大，复合丝拉伸强度大幅度提高，达到了良好的原位增强效果。
PAN fibers with different drawing ratio and different preoxidation degree were investigated by means of sound velocimeter and X-ray diffraction meter.
采用声速仪及X射线衍射仪对不同牵伸倍数和不同预氧化程度的PAN纤维进行取向度和预氧化程度的测试，并将其结果进行对比。
Hollowness of the hollow polyester UDY increased after cool drawing, decreased after heat drawing, and was down a little while increasing drawing ratio.
冷拉伸后，涤纶未拉伸丝的中空度变大，热拉伸则相反；随着拉伸倍数的提高，涤纶未拉伸丝的中空度有所下降。
And by annealing, the protofibril may havecomplete lame1lar crystal. Then the pore size may becontrolled by changing the drawing ratio and drawingtemperature.
通过对原纤的热处理可以得到比较完善的片晶结构，而通过改变牵伸倍数与牵伸温度可以控制微孔的大小。
The effect of deformation temperature and deformation speed on the limit drawing ratio (LDR) and microstructure of the roll-casting AZ31 magnesium alloy sheet.
研究了变形温度、变形速度对铸轧az31镁合金板的极限拉深比(ldr)和组织的影响。
The test results showed that the influence of drawing ratio, speed and temperature on the tension, tension fluctuation and irregularity of the fiber were obvious.
结果表明，拉伸比、拉伸速度和拉伸温度对纤维张力、张力波动和不匀率均存在着明显的影响。
The influences of viscosity, spinning temperature, quenching air, after drawing ratio, crimp, shrink setting of two components on fiber properties were discussed in detail.
讨论了两种切片的特性粘数、纺丝温度、侧吹风、后拉伸倍数、松弛定型等工艺对纤维性能的影响。
The breaking strength and resilient-elasticity recovery of PTT fabric can be increased under suitable temperature and drawing ratio during heat setting, but its dilatability took worse.
选择适当的温度和拉伸比进行热定形，可提高PTT织物的断裂强力和弹性回复率，但其延伸性变差。
Through the limiting drawing ratio tests, the influences of rolling, annealing, blank holder force, drawing gap, drawing temperature and speed on the forming performance were investigated.
通过极限拉伸比试验，研究了轧制、退火、拉伸温度、拉伸速度、拉延间隙以及压边力等工艺因素对镁合金板材成形性能的影响。
Through theoretical analysis, probability revisal and experimental test, the limit drawing ratio of a tapered cup drawn by cylinder convex punch and tapered concave die is determined in tis paper.
通过理论分析，概率修正和实验验证，确定出利用柱形凸模、锥形凹模一次拉深锥形件的极限拉深比。
Outside the western on drawing artistic way demonstrated on the far ratio frame the drawing to make the variation which one was dazzled.
西方架上绘画以外的艺术方式演示出了远比架上绘画更令人眼花缭乱的变奏。
Changing the order of drawing and exaggerating the function of body parts can also affect the ratio.
改变绘画顺序以及身体部位的功能性夸大对于幼儿人物画结构都有显著影响。
The effects of draw-down ratio, air-layer length, drawing conditions on the structure and properties of the fiber were discussed.
探讨了喷丝头拉伸比，空气层长度，拉伸条件对纤维结构性能的影响。
And there was a close relationship between the increase in abnormality ratio of free-hand drawing, clock-drawing, line bisection test and drawing copy and the old age and lower level of education.
自由画图、画钟试验、平分直线法和临摹画图的异常率随被检者年龄的增长、文化程度的降低而增高。
PET film oxygen permeance ratio is dropped after crystallization through drawing tropism, modified the barrier performance.
经过拉伸取向结晶后的PET薄膜氧气透过率获得下降，改善了阻隔性能。
According to mechanical speed ratio and drawing process, the suitable speed signal transfer program is established.
根据机械速比、拉拔工艺确立合适的速度信号传递方案。
According to this cutoff grade, the paper has calculated the ratio of ore and rock while cutoff drawing that provide science foundation for the drawing of Xiaoguanzhuang iron mine.
据此计算了截止放矿时的矿岩比，为小官庄矿放矿提供了科学依据。
It is found that the draw performance of IPP monofilaments is greatly promoted in the multi-stage drawing under the same spinning condition. The draw ratio approaches 25 x.
试验发现，在相同的纺丝条件下，多级拉伸大大提高了IPP单丝的拉伸性能，拉伸倍数可达25倍。
Population and application of the dilution ratio ore drawing method has certain social value and economic value for implementation of the sill pillar-free subdrifting method.
低贫化放矿的推广应用对于实行无底分段崩落法的矿山具有一定的社会价值和经济价值。
The first step of this method is to find the critical point by drawing the scatter plot of hydrocarbon content versus the ratio of light hydrocarbon content to heavy hydrocarbon content.
首先利用烃类组分含量与轻重组分含量比值之间的关系，确定出两者关系变化的拐点，称为临界点；
According to this cutoff grade, the paper has calculated the ratio of ore and rock while cutoff drawing that provide science fo...
据此计算了截止放矿时的矿岩比，为小官庄矿放矿提供了科学依据。
The effects of coiling temperature and cold rolling reduction ratio on deep-drawing properties of low-carbon sheets hot-rolled by FTSR of Tangsteel were investigated in laboratory.
采用唐山钢铁股份有限公司FTSR连铸连轧生产线生产的热轧卷作为生产冷轧低碳钢板的原料，研究了不同卷取温度和冷轧压下率对冷轧薄板深冲性能的影响。
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