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87xiaoyu

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The amount of coke deposited on the used catalysts was measured by TGA under air as described elsewhere [32]. Powder X-ray diffraction (XRD) spectra of catalysts (phase analysis) were recorded on a Stoe Stadi-P diffractometer with a monochromatic Cu-K¦Á1 radiation from a germanium monochromator in the angular range 20◦¡Ü 2¦È¡Ü70◦, with a step width of 0.04◦ and count time of 5 s per step. XRD patterns were attributed using the JCPDS database.

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leeking85

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87xiaoyu(½ð±Ò+8, ·­ÒëEPI+1):ллÁË 2010-05-16 16:42:39
ÔÚ¿ÕÆøÌõ¼þÏÂTGA(ÊDz»ÊÇthermogravimetric analysisÄØ£¿ÎÒ²»ÖªµÀ)²âÁ¿ÁËÓô߻¯¼Á³Áµí½¹Ì¿µÄÁ¿£¬ÕâÔÚÆäËûÎÄÏ×ÖÐÓÐÃèÊö¡£Í¨¹ýStoe Stadi-PÑÜÉäÒ飬Õ൥ɫÒǽǷ½Î»20◦¡Ü 2¦È¡Ü70◦µÄµ¥É«Cu-K¦Á1ÉäÏߣ¬0.04◦²½³¤£¬ºÍ5Ãëÿ²½µÄ¼ÆËãʱ¼äÀ´²É¼¯´ß»¯¼ÁµÄ·Û¾«XÉäÏßÑÜÉä(XRD)Æ×ͼ(Ïà·ÖÎö)¡£XRD²Î¿¼£¨Joint Committee on Powder Diffraction Standards£©·ÛÄ©ÑÜÉä±ê×¼ÁªºÏίԱ»á±ê×¼¡£
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librashi

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ÔÚÎÄÏ×[32]ÃèÊöµÄ´óÆø»·¾³Ï£¬¸ù¾ÝÈÈÖØÁ¿·ÖÎö·¨£¨TGA£©²âÁ¿³Á»ýÔÚʹÓõĴ߻¯¼ÁÉϵĽ¹Ì¿Á¿¡£ÔÚStoe Stadi-PÑÜÉ伯ÉÏ£¬ÉèÖÃÕ൥ɫÒǵĽǷ½Î»Îª20◦¡Ü 2¦È¡Ü70◦£¬°´ÕÕ0.04¶È²½³¤£¬5Ãë/²½µÄËٶȲÉÓõ¥É«Cu-K¦Á1·øÉäÀ´²É¼¯´ß»¯¼ÁµÄ·ÛÄ©XÉäÏßÑÜÉä(XRD)¹âÆ×(Ïàλ·ÖÎö)¡£XRDģʽÀ´×Ô·ÛÄ©ÑÜÉä±ê×¼ÁªºÏίԱ»á±ê×¼£¨Joint Committee on Powder Diffraction Standards£©Êý¾Ý¿â¡£
3Â¥2010-05-16 11:59:24
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