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[ Last edited by loveai on 2008-3-29 at 19:32 ]
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Originally posted by zhenmafudan at 2008-1-9 23:05:
The value in applied catalysis b seems to be correct, because the surface area of the SiO2 they use is very high £¨±È±íÃæÎª260 ƽ·½Ã×/¿Ë£©.

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5Â¥2008-01-10 09:44:15
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The value in applied catalysis b seems to be correct, because the surface area of the SiO2 they use is very high £¨±È±íÃæÎª260 ƽ·½Ã×/¿Ë£©.
3Â¥2008-01-09 23:05:37
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