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2Â¥2010-08-25 09:47:06
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- Ó¦Öú: 26 (СѧÉú)
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3Â¥2010-08-25 10:17:23
jinkai838
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- C-EPI: 4
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- ½ð±Ò: 2004.5
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4Â¥2010-08-25 12:55:36
wangzongbao
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- Ó¦Öú: 14 (СѧÉú)
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5Â¥2010-08-25 13:34:22
Cavalier2008
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6Â¥2010-08-25 15:56:16
Cavalier2008
Ìú¸Ëľ³æ (ÕýʽдÊÖ)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 5933.4
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7Â¥2010-08-25 15:59:24
silhouettecn
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Cavalier2008(½ð±Ò+1):thanks a lot 2010-08-25 17:48:41
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first , the way you test the loading is not right. The best one is using element analysis or EXD to see whether the metal or elements you want is loaded on the support. because for activity, so many factors effect it, such as particle size (if your reaction is structure sensitive ), coordiation, the chemical state, and so on. the other way to test may be to reduce you sample under H2 for while. if it works, then it means the NaBH4 is not the right reductant. you can't choose it. the third way is to use some special indicator to find the amount of the elements in the filter by tritation. if the amount in the filter solutin is higher, even similar to the calculation amount, then you are sure to your conclustion. |

8Â¥2010-08-25 16:32:31
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9Â¥2010-08-26 22:34:16
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