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mengqian2011

铁虫 (小有名气)

[求助] 求解释图的来历

想知道这个图是用什么仪器测出来的,如何进行的绘图。
下面是文献中对这个测试的解释:The melt strength was measured by using Rheo-
tens method with die L/D = 20/2 and melt temperature of 230℃. Here, a melt strand was extruded through a capillary die and pulled down with
increasing velocity (at constant acceleration 27 mm/s2) by using a pair of wheels, and the force was measured till the rupture of the melt strand occurred. The average force was defined as melt strength, and the drawdown velocity at break was a measure of melt extensibility.

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mengqian2011

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问题已解决
4楼2013-04-17 10:44:09
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