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Abstract�� A few experimental techniques and mathematical models of the radial distributions of voidage in packed beds are summarized.The generalization of the patterns of the porosity distributions is given also.All of these results can provide important ground to experimental study and engineering design.

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Received 2000-07-15; published 2000-07-15

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�޷��.��䴲�п�϶�ʷֲ��о��[J]. ��ѧ��ҵ�빤��, 2000,17(4): 231-234

LUO Fang quan .Summarization of the Study on the Porosity Distribution in Packed Beds[J]. Chemcial Industry and Engineering, 2000,17(4): 231-234