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| Acidity measurement was carried out using Temperature Programmed Desorption technique (TPD) using ammonia as a probe molecule in the temperature range of 40¨C440¡æ. A 0.5 g of the catalyst was activated in air at 300¡æ for 1 h in a catalytic reactor. The catalyst was then cooled to room temperature in nitrogen atmosphere. |
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sltmac(½ð±Ò+1): ·ÒëµÄºÜµ½Î»~ 2011-08-17 08:46:19
sltmac(½ð±Ò+1): ·ÒëµÄºÜµ½Î»~ 2011-08-17 08:46:19
| ÒÔ°±ÆøÎªÌ½Õë·Ö×Ó£¬ÔÚ40-440¡æÎ¶ȷ¶Î§ÄÚ£¬Ê¹ÓóÌÐòÉýÎÂÍѸ½(TPD)¼¼Êõ²â¶¨´ß»¯¼ÁµÄËáÐÔ¡£ÔÚ´ß»¯·´Ó¦Æ÷Öн«0.5g´ß»¯¼ÁÔÚ300¡æµÄ¿ÕÆøÖл1Сʱ¡£È»ºóÔÚµªÆøÆø·ÕÖаѴ߻¯¼ÁÀäÈ´µ½ÊÒΠ|

3Â¥2011-08-17 08:44:09
shine6832
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°®ÓëÓêÏÂ: 2011-08-17 08:37:49
°®ÓëÓêÏÂ(½ð±Ò+1): ¸ÐлӦÖú£¬»¶Ó³£À´£¡ 2011-08-17 08:38:03
8814402(½ð±Ò+1): ÒëµÃ²»´í£¡»¶Ó³£À´Ó¦Öú¡£×¢Òâ¸ö±ð±ð×ÖÔò¸üÊǽõÉÏÌí»¨ 2011-08-17 10:38:09
loser_zhu(½ð±Ò+18, ·ÒëEPI+1): 2011-08-17 15:14:46
°®ÓëÓêÏÂ: 2011-08-17 08:37:49
°®ÓëÓêÏÂ(½ð±Ò+1): ¸ÐлӦÖú£¬»¶Ó³£À´£¡ 2011-08-17 08:38:03
8814402(½ð±Ò+1): ÒëµÃ²»´í£¡»¶Ó³£À´Ó¦Öú¡£×¢Òâ¸ö±ð±ð×ÖÔò¸üÊǽõÉÏÌí»¨ 2011-08-17 10:38:09
loser_zhu(½ð±Ò+18, ·ÒëEPI+1): 2011-08-17 15:14:46
| ÒÔ°±ÆøÎªÌ½Õë·Ö×Ó£¬ÔÚ40¨C440¡æÎ¶ÈÇø£¬Ê¹ÓóÌÐòÉýÎÂÍѸ½(TPD)¼¼Êõ²âÊÔ´ß»¯¼ÁµÄËáÐÔÖÊ¡££¨Òë°´£ºNH3-TPDÖ÷ÒªÊDzâÊÔ´ß»¯¼ÁµÄËáÇ¿¶ÈºÍ×ÜËáÁ¿£¬µ«²»Äܶ¨ÐÔÊÇLËỹÊÇBËᣩ¡£ÔÚ´ß»¯·´Ó¦Æ÷Öн±0.5g´ß»¯¼ÁÔÚ300¡æµÄ¿ÕÆøÖл1Сʱ£¬È»ºóÔÙµªÆøÆø·ÕÖнµÖÁÊÒΡ£ |

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