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chenchen2619(½ð±Ò+1):лл 2010-06-06 08:18:43
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chenchen2619

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chenchen2619(½ð±Ò+1):лл 2010-06-06 08:19:07
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caszguilin

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hxy0218

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shshen

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chenchen2619(½ð±Ò+2):лл 2010-06-06 08:19:47
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americanyk

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Excellent

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chenchen2619(½ð±Ò+1):thanks 2010-06-06 08:20:05
Normally, the nobel metal precusor is dissolved into the corresponding organic solvent under reflux or using fluid under stirring condition.
The ratio keeps stable and impregnate for several hours and then reduce by H2 or alcohol, followed by dry.
9Â¥2010-06-06 06:00:15
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