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8Â¥2010-05-11 10:40:16
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zhangwengui330(½ð±Ò+1):ллӦÖú£¡ 2010-05-10 21:16:23
xiaojichao(½ð±Ò+1):лл~QQQ 2010-05-11 09:30:43
xiaojichao(½ð±Ò+2):лл~QQQ 2010-05-11 09:32:17

SBA-15×ö³öÀ´ÊǺܷ۵İ×É«·ÛÄ©£¬µ«ÊÇÄã˵ºÜÈÝÒ×Ë飬˵Ã÷Ó¦¸ÃҲûʲôÎÊÌâ¡£×öXRD±íÕ÷ÒªÇó´ß»¯¼ÁÊÇ·ÛÄ©£¬¾ø¶Ô²»ÄÜÓпÅÁ£¡£Ò»°ã100mg¾Í×ã¹»ÁË
2Â¥2010-05-10 17:51:45
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americanyk

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zhangwengui330(½ð±Ò+1):ллӦÖú£¡£¡ 2010-05-10 21:16:51
xiaojichao(½ð±Ò+1):лл~QQQ 2010-05-11 09:30:54
xiaojichao(½ð±Ò+1):лл~QQQ 2010-05-11 09:32:30
SBA-15 is white podwer. Normally, it was calcined in oven at 550 degree for 6h at the speed of 2K/min from room temperature. Normally, beferoe XRD test, you need stratch the precuosr. For XRD test, just a little is enough. Meanwhile, after measure, you can get back the samples.
3Â¥2010-05-10 18:19:08
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jinkai838

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Originally posted by americanyk at 2010-05-10 18:19:08:
SBA-15 is white podwer. Normally, it was calcined in oven at 550 degree for 6h at the speed of 2K/min from room temperature. Normally, beferoe XRD test, you need stratch the precuosr. For XRD test, ...

550 degree for 6h at the speed of 2K/min from room temperatureÕâô׼ȷô£¿
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4Â¥2010-05-10 20:44:55
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