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ankang276½ð³æ (ÕýʽдÊÖ)
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Both Mg-Mo2C/HY and K-Mo2C/HY increased naphthalene and coke-precursor hydrogenation whereas ring-opening selectivity was reduced compared to the Mo2C/HY. Metal dispersion and catalyst acidity are key parameters that determine bifunctional catalyst performance. Although Mg and K addition improved Mo2C dispersion they did not provide the optimum acidity needed for increased ring-opening selectivity. |
sltmac
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- ·ÒëEPI: 161
- Ó¦Öú: 10 (Ó×¶ùÔ°)
- ¹ó±ö: 4.557
- ½ð±Ò: 29559.8
- É¢½ð: 2687
- ºì»¨: 47
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- Ìû×Ó: 5463
- ÔÚÏß: 633.8Сʱ
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°®ÓëÓêÏÂ(½ð±Ò+1): ~! 2011-08-14 08:16:05
ankang276(½ð±Ò+21, ·ÒëEPI+1): 2011-08-14 10:44:30
°®ÓëÓêÏÂ(½ð±Ò+1): ~! 2011-08-14 08:16:05
ankang276(½ð±Ò+21, ·ÒëEPI+1): 2011-08-14 10:44:30
| Mg-Mo2C/HY ºÍ K-Mo2C/HY ´ß»¯¼Á¶¼Äܹ»Ìá¸ßÝÁºÍ½¹Ì¿Ç°ÇýÌåµÄÇ⻯»îÐÔ£¬µ«ÓëMo2C/HY´ß»¯¼ÁÏà±È£¬ËüÃǶÔÓÚ¿ª»··´Ó¦µÄÑ¡ÔñÐÔ½µµÍÁË¡£½ðÊôµÄ·ÖÉ¢ÐÔÒÔ¼°´ß»¯¼ÁµÄËá¶ÈÊǾö¶¨Ë«¹ÙÄÜ´ß»¯¼ÁµÄ¹Ø¼ü²ÎÊý¡£¾¡¹ÜMgºÍKµÄÌí¼ÓÄÜÌáÉýMo2C µÄ·ÖÉ¢ÐÔµ«ËüÃDz»ÄÜÌṩÔö¼Ó¿ª»··´Ó¦Ñ¡ÔñÐÔËùÐèµÄºÏÊʵÄËá¶È¡£ |

2Â¥2011-08-14 08:10:19
liubencai
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- ·ÒëEPI: 37
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- ɳ·¢: 57
- Ìû×Ó: 21817
- ÔÚÏß: 2403.8Сʱ
- ³æºÅ: 273437
- ×¢²á: 2006-08-20
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sltmac(½ð±Ò+1): »¶Ó½»Á÷~ 2011-08-14 09:05:25
sltmac(½ð±Ò+1): »¶Ó½»Á÷~ 2011-08-14 09:05:25
| Mg-Mo2C/HY ºÍ K-Mo2C/HY ¶þÕß¶¼ÄÜÌá¸ßÝÁºÍ½¹Ì¿Ç°ÇýÌåµÄÇ⻯×÷Óã¬È»¶øÓëMo2C/HYÏà±È£¬ËüÃǽµµÍÁË¿ª»··´Ó¦µÄÑ¡ÔñÐÔ¡£½ðÊôµÄ·ÖÉ¢ÐÔÒÔ¼°´ß»¯¼ÁµÄËáÐÔÊǾö¶¨Ë«¹ÙÄÜÍÅ´ß»¯¼ÁµÄ¹Ø¼ü²ÎÊý¡£¾¡¹ÜMgºÍKµÄ¼ÓÈëÄܸÄÉÆMo2C µÄ·ÖÉ¢ÐÔ, µ«ËüÃDz»ÄÜÌṩÔö¼Ó¿ª»··´Ó¦Ñ¡ÔñÐÔËùÐèµÄ×îÊÊÒ˵ÄËáÐÔ¡£ |

3Â¥2011-08-14 08:27:41
Carena
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- ·ÒëEPI: 94
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- ¹ó±ö: 0.542
- ½ð±Ò: 6371.2
- É¢½ð: 8657
- ºì»¨: 55
- ɳ·¢: 23
- Ìû×Ó: 5968
- ÔÚÏß: 357.5Сʱ
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sltmac(½ð±Ò+1): ¶àлӦÖú 2011-08-14 09:05:37
sltmac(½ð±Ò+1): ¶àлӦÖú 2011-08-14 09:05:37
| Mg-Mo2C/HY ºÍ K-Mo2C/HY¶¼Äܹ»Ìá¸ßÝÁºÍ½¹Ì¿Ç°ÇýÌåµÄÇ⻯»îÐÔ£¬µ«ÓëMo2C/HYÏà±È£¬¶þÕߵĿª»··´Ó¦µÄÑ¡ÔñÐÔ½µµÍÁË¡£½ðÊô·ÖÉ¢ÐԺʹ߻¯¼ÁËá¶ÈÊǾö¶¨Ë«¹¦ÄÜ´ß»¯¼ÁµÄ¹Ø¼ü²ÎÊý¡£¾¡¹ÜÌí¼ÓþºÍ¼ØÄÜÌáÉýMo2C µÄ·ÖÉ¢ÐÔ£¬µ«È´²»ÄÜΪÔö¼ÓÁ˵Ŀª»··´Ó¦Ñ¡ÔñÐÔÌṩÆäËùÐèµÄ×îºÏÊʵÄËá¶È¡£ |

4Â¥2011-08-14 08:48:49
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ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)
- ·ÒëEPI: 323
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- ¹ó±ö: 16.835
- ½ð±Ò: 19237.1
- É¢½ð: 40372
- ºì»¨: 275
- ɳ·¢: 183
- Ìû×Ó: 25406
- ÔÚÏß: 1082.3Сʱ
- ³æºÅ: 1034379
- ×¢²á: 2010-06-02
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°®ÓëÓêÏÂ(½ð±Ò+1): ~£¡ 2011-08-14 09:54:10
°®ÓëÓêÏÂ(½ð±Ò+1): ~£¡ 2011-08-14 09:54:10
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Both Mg-Mo2C/HY and K-Mo2C/HY increased naphthalene and coke-precursor hydrogenation whereas ring-opening selectivity was reduced compared to the Mo2C/HY. Metal dispersion and catalyst acidity are key parameters that determine bifunctional catalyst performance. Although Mg and K addition improved Mo2C dispersion they did not provide the optimum acidity needed for increased ring-opening selectivity. ÓëMo2C/HYÏà±È£¬Mg-Mo2C/HY ºÍ K-Mo2C/HYµÄ¿ª»··´Ó¦Ñ¡ÔñÐÔ¶¼½µµÍÁË£¬¾¡¹ÜËûÃÇÌá¸ßÁËÝÁºÍ½¹Ì¿Ç°ÌåµÄÇ⻯ЧӦ¡£´ß»¯¼ÁµÄ½ðÊô·ÖÉ¢ÐÔºÍËá¶ÈÊǾö¶¨´ß»¯¼ÁË«ÖØ¹¦ÄܵÄÖ÷Òª²ÎÊý¡£ËäÈ»¼ÓÈëþºÍ¼ØÄÜÌáÉýMo2C µÄ½ðÊô·ÖÉ¢ÐÔ£¬È´²»ÄÜÌṩÔö¼Ó¿ª»··´Ó¦Ñ¡ÔñÐÔËùÐèËá¶È¡£ |

5Â¥2011-08-14 09:52:46














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