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a) the agglomeration of nanoparticles exists independently on the calcination temperature,
b) the sintering process takes place as the calcination temperature increase since 200¶Èto 800¶È
c) the sintering is the only mechanism that explains the decline of BET surface area.
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zhangwengui330(½ð±Ò+2):ллӦÖú£¡£¡ 2010-03-30 17:58
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Originally posted by aiwei1324 at 2010-03-29 21:30:31:
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