Quote:
Originally Posted by flowerhorn
Actually Dk is the permeability coefficient of a given material.If you don't understand coefficient, it is some constant value defined by the scientists. Do you know α represents sound absorption coefficient. The same goes for Dk. It might be the name or some symbol assigned by the person who discovered it.
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I think I'm beginning to understand. Kind of like good old fashioned E=mc2. E stand for "energy," m stands for "mass" and, for no apparent reason, c stand for the speed of light.
Something like that?