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lhrye: ½ð±Ò+5, ·­ÒëEPI+1, ¡ïÓаïÖú, ллӦÖú 2012-07-06 07:43:33
°®ÓëÓêÏÂ: ½ð±Ò+1 2012-07-06 22:04:22
1. a and b have  similar FTIR spectra (¦Í= 925, 876, 761 cm-1 for a, and  ¦Í= 918, 875, 763 cm-1 for b)
2. The spectral peaks at 925 cm-1 and 918 cm-1 could be assigned to terminal W-O. The peaks at 876 cm-1 and 875 cm-1 and those at 763 cm-1 and 765 cm-1 could be attributed to corner-sharing W-O-W and  edge-sharing W-O-W respectively.
3. The similarity of the FTIR spectra indicated that a and b had similar structures
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