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ÎÄÏ×Schanke D, Vada S, Blekkan E A, et al. Study of Pt-promoted cobalt CO hydrogenation catalysts[J]. Journal of Catalysis, 1995, 156(1): 85-95.
Öбíʾ£º cobalt metal particle sizes according to the relative molar volumes of metallic cobalt and Co3O4. The resulting conversion factor for the diameter d of a given Co3O4 particle being reduced to metallic cobalt is
               d(Co metal)=0.75 d(Co3O4)   
ÇëÎÊthe relative volumesʲôÒâ˼£¬¹ÌÌåÓÐÏà¶ÔĦ¶ûÌå»ýÂ𣿼ÙÈçÎÒÖªµÀË«½ðÊôÑõ»¯ÎïCuCo2O4µÄÁ£¾¶£¬ÔõôËã½ðÊôîܵÄÁ£¾¶£¿
»¹Óиù¾ÝÁ£¾¶¼ÆËã·ÖÉ¢¶ÈµÄÎÊÌ⣬ÎÄÖÐ˵¼ÙÉè´ß»¯¼Áspherical, uniform particles with site density 14.6 atom/nm2, by use of the formula
         D=96/D   (D= %,   d=nm)
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¼ÙÈçÎÒÖªµÀË«½ðÊôÑõ»¯ÎïCuCo2O4µÄÁ£¾¶£¬ÔõôËã½ðÊôîܵÄÁ£¾¶£¿  ÄDz»ÊÇÓиö¹«Ê½Âð ÄãµÄXRDÖÐÓмÆËãËÄÑõ»¯ÈýîܵÄÁ£¾¶¹«Ê½µÄ£¬ËùÒÔÔÙ´øÈë   d(Co metal)=0.75 d(Co3O4)   ²»¾ÍÐÐÁËÂð£¿
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