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×îÐÂÎÄÕÂ------Journal of Molecular Catalysis A: Chemical
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×îÐÂÎÄÕÂ------Journal of Molecular Catalysis A: Chemical ×îÐÂÎÄÕ¡°Au/MxOy/TiO2 catalysts for CO oxidation: promotional effect of main-group, transition, and rare earth metal oxide additives¡±ÓÉJournal of Molecular Catalysis A: Chemical³ö°æ¡£ http://dx.doi.org/10.1016/j.molcata.2007.04.007 In Press, Accepted Manuscript, Available online 8 April 2007, ʵÑéµã×ӵįðÔ´ÊÇÕâÑùµÄ£ºÎÒÃÇʵÑéÊÒÒÔǰһ¸ö²©Ê¿ºó·¢ÏÖ£¬Au/TiO2ÔÚ¸ßÎÂÉÕ¹ýÒԺ󣬽ð¿ÅÁ£¼±¾ç±ä´ó£¬Ò»Ñõ»¯Ì¼´ß»¯»îÐÔ¼±¾çϽµ¡£µ«ÊÇËûÓø´ÔӵĻ¯Ñ§ÒºÏà³Á»ý·½·¨°ÑTiO2ÐÞÊÎÁËÒ»²ãAl2O3ºó£¬ÔٷŻƽ𣬷¢Ïָô߻¯¼ÁÉÕ²»»µ¡£¸Ã¹¤×÷ÒÔÁ½Ò³¿ì±¨ÐÎʽ·¢±íÓÚÃÀ¹ú»¯Ñ§»áÖ¾¡£ÎÒµ½ÁËʵÑéÊÒ×ö²©ºóʱ£¬Ñ§¾¿µØ¶ÔÕâÆªÎÄÕÂÌá³öºÜ¶à˼¿¼Ìâ¡£ Ê×ÏÈ£¬»¯Ñ§³Á»ý·¨ÊDZØÐëµÄÂ𣿻¯Ñ§³Á»ýÉæ¼°µ½ÎÞË®ÎÞÑõ²Ù×÷¡¢°º¹óµÄ½ðÊôÓлúǰÇýÌå¡¢ÓꦵÄÓлúÈܼÁ¡£Èç¹ûÎÒÄܹ»Ê¹Óüòµ¥·½·¨ÊµÏÖÀàËÆ´ß»¯Ð§¹û£¬ÓֺαØ×ßÔ¶Â·ÄØ£¿ Æä´Î£¬ÃÀ¹ú»¯Ñ§»áÖ¾ÎÄÕÂ˵Al2O3ÊÇ¡°µ¥²ã¡±µÄ£¬µ«ÊÇȴûÓÐ˵Èç¹ûÊǰë²ã»òÕßÁ½²ã»áÔõÑù¡£ ÔٴΣ¬Al2O3µÄ´Ù½øÐ§¹ûÊÇÓëÖÚ²»Í¬µÄÂð£¿ÆäËûµÄÑõ»¯ÎïÄÜ·ñ´ïµ½Í¬ÑùЧ¹û£¿ÊDz»ÊÇËæ±ãÕÒ¸öÑõ»¯Î¾ÍÄܴﵽͬÑùЧ¹û£¿ ×îºó£¬Au/Al2O3/TiO2µ½µ×Îȶ¨²»Îȶ¨£¿ÃÀ¹ú»¯Ñ§»áÖ¾ÎÄÕÂ˵ËûÃǵĴ߻¯¼Á¡°³¬¼¶Îȶ¨¡±£¬µ«ÊǶԡ°Îȶ¨ÐÔ¡±µÄ¶¨ÒåÓÐÆçÒå¡£ËûÃǵġ°Îȶ¨ÐÔ¡±Ö¸¡°ÉÕ²»»µ¡±£¬¶ø³£¼ûµÄÎȶ¨ÐÔ¶¨ÒåÊÇת»¯ÂÊËæ·´Ó¦Ê±¼ä²»±ä¡£ »ùÓÚÒÔÉÏËĸöÎÊÌ⣬һ¿ªÊ¼ÎÒ³¢ÊÔÓÃ×Ô·¢·ÖÉ¢ÔÀí£¬ÓÃÏõËáÂÁ×÷ΪǰÇýÌåÀ´´Ù½øÑõ»¯îÑ¡£ÎҸı䱺ÉÕζȡ¢¸ºÔØÁ¿£¬ÊÔͼÒÔÕâЩÊý¾Ý³öһƪ³¤ÎÄÕ¡£µ«ÊǺóÀ´ÎÒ¾õµÃ£¬ÕâЩÊý¾Ý²»×ãÒÔ³öһƪÎÄÕ£¬·ÖÁ¿»¹²»¹»¡£ÁíÍ⣬Èç¹û»»Ò»¸ö´Ù½ø¼Á¾Í³öһƪÎÄÕ£¬ÄÇûÓÐÒâ˼¡£ÓÚÊÇÎÒ½Ó×ÅÍùÏÂ×ö£¬°ÑʵÑéÊÒÄÜÕÒµ½µÄ½ðÊôÏõËáÑÎÈ«²¿ÄÃÀ´ÊÔÒ»ÊÔ£¬·¢ÏÖÓеÄÓкܺõÄЧ¹û£¬ÓеÄûÓС£·¢ÏÖÁ˼¸¸öºÃµÄ´ß»¯¼Áºó£¬ÀϰåÏ£ÍûÎҰѺýá¹û¡°È¡³öÀ´¡±·¢¿ì±¨¡£µ«ÊÇÎÒ²»Ï£Íû×öÕâЩ¡°»©ÖÚÈ¡³è¡±µÄÊÂÇ飨¡°»©ÖÚÈ¡³è¡±µÄÊÂÇé¼´report the good without reporting the bad, making people feel very shocked about the astonishing results, but actually there is no whole picture on what¡¯s going on here£©£¬ÎÒÒ²²»Ï£Íû¼¸¸öÔÂÒÔºóÔÚ·¢±í¿ì±¨µÄ»ù´¡ÉÏÔÙ·´¸´³´Àä·¹¡£ ÓÚÊÇÎÒ¾ö¶¨´ó·ùÍÆ½ø¡£ÕâÑùµÄ»°£¬ÎÒ²âÊÔÁ˽ü40¸ö´ß»¯¼Á£¬Ã¿¸ö´ß»¯¼ÁÓÃÁ½ÖÖ²»Í¬µÄÔ¤´¦Àíζȴ¦ÀíÁËÒÔºóÔٲⷴӦ»îÐÔ¡£ÎÒ»¹²âÁË70¶à¸öÑùÆ·µÄ±È±íÃæ¡¢ÔªËØ·ÖÎö£¬100¶à¸öÑùÆ·µÄXRD¡£ºÄʱ¼äµÄ»¹ÓÐÒ»ÖֽС°³¤ÊÙÃü¡±ÊµÑé¡£ÎÒÑ¡ÁË10¶à¸ö´ß»¯¼Á£¬Ã¿¸ö´ß»¯¼Á×°µ½·´Ó¦Æ÷ÀïÃæ£¬Ò»·Å¾ÍÊÇ5Ì죬ÕâÑù¹â×ö³¤ÊÙÃüʵÑé¾Í»¨ÁËÁ½¸öÔ¡£µ±È»£¬×ö³¤ÊÙÃüʵÑéµÄʱºò£¬ÎÒҲûÓÐÏÐ×Å¡£ÎÒÀûÓá°´óºÐ×ÓÌ×ÖкÐ×Ó£¬ÖкÐ×ÓÌ×СºÐ×Ó¡±µÄÔÀí£¬ÔÚ×ö³¤ÊÙÃüʵÑéµÄͬʱ£¬½øÐкϳɡ¢±íÕ÷¡¢ºÍÊý¾Ý·ÖÎöµÄ¹¤×÷¡£ÊµÑéÊÇ´ò´òͣͣ¡¢Í£Í£´ò´ò£¬ÒòΪÀϰ徳£¸øÎÒ°²ÅÅÆäËüµã×Ó½øÐвâÊÔ¡£ÕâÑù£¬³ÖÐøÁË8¸öÔ²ŰÑÎÄÕÂͶ³öÈ¥¡£ ÕâÀïÐèҪǿµ÷µÄÊÇ8¸öÔµ±Öл¹²Î²î×öÁËÆäËüÊÂÇ飬·ñÔòÎÒÒ»ÄêÒ²²»»á³öÁ½ÆªµÚÒ»×÷ÕßµÄÎÄÕÂÁË¡£±ÈÈçÎÒÒ»±ßÀûÓ÷´Ó¦Æ÷È«×Ô¶¯²âÊÔ´ß»¯¼Á£¬Ò»±ßÔںϳÉÁíÍâһƪÎÄÕµÄÁíÍâµÄ´ß»¯¼Á£¬²¢½øÐбíÕ÷¡£Èç¹ûʱ¼äËãµÃºÃ£¬°×Ìì²âÒ»¸ö¡°¿ì¡±µÄÑùÆ·£¬°øÍí×°ÉÏÒ»¸ö¡°Âý¡±µÄÑùÆ·ÈÃÒÇÆ÷×ö¹ýÒ¹£¬ÕâÑùÒ»Ìì¾ÍÓÐÁ½¸öÑùÆ·±»²âÊÔÁË¡£ ÕâÆªÎÄÕµÄIntroduction²¿·ÝдµÃÕ·¨¡£µÚÒ»¶ÎдµÃºÜ¸ÅÀ¨£¬ÌåÏÖÁËÎÄÏ××ÛÊöÄÜÁ¦¡£µÚ¶þ¶ÎÕë¶ÔÃÀ¹ú»¯Ñ§»áÖ¾ÎÄÕÂÌá³öÁËËĸö×·ÎÊ¡£µÚÈý¶Î½²Á˱¾Îı¨µÀÁËʲô¡£ÕâÀïÇ¿µ÷ÎÒÃÇ·¢ÏÖµÄһϵÁкô߻¯¼Á£¬¾ø´ó¶àÊý¶¼Ã»Óб»±ðÈ˱¨µÀ¹ý£¬¾ÍËãÔÚÎÒÃǵÄ×îÐÂרÀûµ±ÖУ¬ÕâЩ¸ÕµÃÀ´µÄÐÂÏʽá¹ûҲûÓб¨µÀ¹ý¡£ ʵÑé½á¹û²¿·Ý·ÖΪ¼¸¸öС²¿·Ý¡£µÚÒ»²¿·Ý×ÜÌåÃèÊöAu/Al2O3/TiO2ºÍAu/Al2O3¡¢Au/TiO2Ïà±È£¬µ½µ×ºÃÔÚʲôµØ·½£¬¸øÈËÒ»¸ö×ÜÌåÓ¡Ïó¡£µÚ¶þ²¿·Ý·ÖÊöAl2O3/TiO2±ºÉÕζȶԽð´ß»¯¼ÁµÄÓ°Ïì¡£µÚÈý²¿·Ý·ÖÊöAl2O3/TiO2µÄ¸ºÔØÁ¿¶Ô½ð´ß»¯¼ÁµÄÓ°Ïì¡£µÚËIJ¿·Ý½øÒ»²½°ÑÌåÏµÍØÕ¹µ½Ò»ÏµÁÐÖ÷×å¡¢¹ý¶É½ðÊô¡¢Ï¡ÍÁÑõ»¯Îï¶Ô´ß»¯»îÐÔµÄÓ°Ïì¡£µÚÎ岿·Ý½²ÁË´ß»¯¼Áʧ»îºÍÔÙÉú¡£ ÎÒдµÃ×îºÃµÄµØ·½ÊÇÌÖÂÛ²¿·Ý¡£ÎÒÔÚÌÖÂÛµÄʱºòҪͻ³öµÄÒ»µã¾ÍÊÇÎÒÒªÕÒµ½×Ô¼º¹¤×÷ÔÚÒÔÍùÎÄÏ×ÖеØÎ»Ö㬾ÍÊÇ˵put the current work in perspective¡£ÕâÒ»µãÊǺܶàÎÄÕÂȱ·¦µÄ£º²»ÒýÓÃÏà¹ØÎÄÏ×£¬ÒýÓÃÏà¹ØÎÄÏײ»Í´²»Ñ÷£¬ÒþÂ÷˵Ã÷Ïà¹ØÎÄÏ×µÄÀàËÆÖ®´¦¶øÒýÓÃÏà¹ØÎÄÏ×µÄÎÞ¹ØÖ®´¦¡£ÔÚÎÒµÄÌÖÂÛÖУ¬ÎÒҪ˵µÄÊÇ£¬ÃÀ¹ú»¯Ñ§»áÖ¾ÎÄÕµĵã×Ó£¬ÊÇÒ»¸öżȻµÄ·¢ÏÖ£¬µ«ÆäÊµÉæ¼°µ½Ò»¸öÖØÒªµÄ˼Ï룬¾ÍÊÇʹÓýṹÖú¼Á¡£ÔںܶàÄêÒÔǰµÄ°±ºÏ³É´ß»¯¼Áµ±ÖУ¬ÈËÃǾÍÓÃÁËAl2O3×÷Ϊ½á¹¹Öú¼ÁÀ´Îȶ¨Ìú¿ÅÁ£µÄ´óС¡£Õâ¸öÌÖÂÛ²¿·Ý£¬Äܹ»ÌáÏÖÎÄÏ××ÛÊö¡¢·ÖÎöÎÊÌâ¡¢critical thinking¡¢argue¡¢µã³ö×Ô¼º¹¤×÷µÄ¼ÛÖµ¡¢Õ¹ÍûÏÂÒ»²½¸ÃÔõô×ö¡¢Ö¸³ö±ðÈËÔõô´Ó±¾ÎÄÖеõ½ÓªÑøÒÔ±ã±ðÈ˰ѱ¾ÎĵÄË¼Â·ÒÆÖ²µ½±ðÈËÌåϵµÄÄÜÁ¦¡£Õû¸öÌÖÂÛ²¿·ÝÈçÐÐÔÆÁ÷Ë®¡¢Ò»ÆøºÇ³É¡£ ½á¹û£ºÎÄÕÂͶ³öÈ¥ÒÔºó£¬Ò»ÖÜÄÚÉó¸åÈËÒâ¼û¾Í»ØÀ´ÁË¡£Ò»¸öÉó¸åÈË˵дµÃ·Ç³£ºÃ£¬¹¤×÷×öµÃºÜºÃ£¬²»ÓÃÐ޸ľͿÉÒÔÖ±½Ó½ÓÊÕ¡£ÁíÍâÒ»¸öÉó¸åÈËҲ˵¹¤×÷·Ç³£ÍêÕû£¬ºÜ¶àÊý¾Ý£¬½¨ÒéÐ޸öƴд´íÎó£¬Ð¡Ð޸ĽÓÊÕ¡£ Ò²ÐíÓÐÈË»á˵ÎÒ¡°ÎÄÕÂÖÊÁ¿²»¸ß¡±£¬µ«ÊÇÎÒҪ˵Äã²»ÄܰÑÔÓÖ¾µÄÒýÓÃÒý×ÓµÈͬÓÚÎÄÕµÄÖÊÁ¿¡£ÎÒÐèÒªµÄ²»ÊÇ»¨ÈÐåÍÈ£¬¶øÊÇÄÜÕæÕý×öһЩ×Ô¼ºÏ²»¶×öµÄÊÂÇé¡£×·ÇóÒýÓÃÒý×Ó£¬ÄÇÊÇ×öÉúÒâÈ˵ÄÏë·¨£¬ÈÝÒ×Ôì³É¡°oversell¡±£¬´µµÃÌ«¸ß£¬Í¬ÑùµÄ¶«Î÷Âô¸ü¸ß¼ÛÇ®¡£ÄܰÚÍÑÒýÓÃÒý×ÓµÄÊø¸¿£¬´ø×ÅÎÊÌâÉè¼ÆÊµÑé½øÐС°×·ÎÊ¡±¡¢¸ú×Å¿ÆÑÐÐËȤ×ߣ¬ÕâÊÇÖÖо³½ç¡£ [ Last edited by daiqiguang on 2007-4-12 at 08:35 ] |
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