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loser_zhu

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A clear indication of the presence of strong Bronsted siteson AU sample is the presence of an intense signal at ca. 1640 cm-1 after desorption at 400¡æ. In addition to this, the shape of the TPD profile in Fig. 4 (high temperature signal) is a clear indication that this sample features the strongest Bronsted acid sites of the series.

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wxh578

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2Â¥: Originally posted by wxh578 at 2011-08-21 09:30:21:
siteson AU sample Ó¦¸ÃÊÇ sites on °É£¿
ca. 1640 cm-1 ÊÇÊ²Ã´ÄØ£¿Ì«×¨ÒµÁË

ca. 1640 cm-1 Ϊabout 1640 cm-1
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3Â¥2011-08-21 09:37:16
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1Â¥: Originally posted by loser_zhu at 2011-08-21 08:23:43:
A clear indication of the presence of strong Bronsted siteson AU sample is the presence of an intense signal at ca. 1640 cm-1 after desorption at 400¡æ. In addition to this, the shape of the TPD pr ...

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hongliannu

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loser_zhu(½ð±Ò+20, ·­ÒëEPI+1): 2011-08-21 15:26:33
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