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. 2017 May 29;10(6):592. doi: 10.3390/ma10060592

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© 2017 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Flow properties obtained from the dynamic test with downward anti-clockwise and upward clockwise motion (error bars represent standard deviations, n = 3): (a) Normalised Basic Flow Energy (BFE_Norm); (b) Specific Energy (SE); (c) Flow Rate Index (FRI).

Flow properties obtained from the dynamic test with downward anti-clockwise and upward clockwise motion (error bars represent standard deviations, n = 3): (a) Normalised Basic Flow Energy (BFE_Norm); (b) Specific Energy (SE); (c) Flow Rate Index (FRI).