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In contrast, sample AU displayed a narrow pore size distribution. The nitrogen adsorption isotherms recorded on organized mesoporous aluminas are characterized by a relatively steep increase in the adsorbed amount starting at P/P0 = 0.4¨C0.8. The hysteresis loop of the type H1 in this region is due to the capillary condensation within the uniform mesopores.

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sltmac(½ð±Ò+1): 2011-08-19 08:30:39
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sltmac(½ð±Ò+1): ¸ÐлӦÖú£¬»¶Ó­³£À´ 2011-08-19 08:30:12
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sltmac(½ð±Ò+1): ¸ÐлӦÖú£¬»¶Ó­³£À´~ 2011-08-19 08:30:35
loser_zhu(½ð±Ò+20, ·­ÒëEPI+1): 2011-08-19 10:38:20
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