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Recently, our 5000 rpm centrifuge (Chinese manufacturer) started slowing down much slower than before. Typically it took 2-3 min to go from 5000 rpm to stop before, now it takes ca. 10 min. The...
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We have the question of how the molar mass dependence of flow activation energy for very low molar masses of polyolefins has been found to be experimentally. I measured the values for low to high...
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Several years ago, I developed several relaxation spectrum calculation methods. However, the problem about all of these methods is obviously their ill-posedness. That's why I would like to do a...
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