研究表明在膜结构的找形阶段应适当地加大结构的初始预张力，以减小由于支座变形所造成的预应力损失。
It is found that the prestress should be increased to reduce the loss of prestress with the deformation of the support.
介绍了拉伸弯曲矫直机的特点及工作原理，对生产中常见问题如弯曲辊组切入量、带钢在张力辊上打滑及伸长率损失等进行了分析讨论。
The problems in production such as amount of draught of the bend rolls, glide of steel strip on the bridle rolls, lose of the elongation and so on are analyzed and optimized.
但是，由于聚合物并不能降低表面张力，因此，从道理上讲也不能减少油膜损失或者说提高驱油效率。
But because polymer could not decrease surface tension, it theoretically could not decrease oil film loss or improve oil displacement efficiency.
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