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ÎÒ¿´µ½Ò»ÆªShi Chi Tsang½ÌÊÚµÄÎÄÏ×J. Am. Chem. Soc. 2007, 129, 6360-6361.µÄÖ§³ÖÐÅÏ¢µÚËÄÒ³µÚ1-2ÐС£Ô­ÎÄ×÷ÕßÌáµ½CuµÄÁ£¾¶Îª15 nm£¬È»ºó¾ÍÄܼÆËã³öCuÔÚ´ß»¯¼ÁÖеķÖÉ¢¶ÈΪ9.1%¡£ÇëÎÊÓÐË­ÖªµÀÕâÊÇÔõô¼ÆËãµÄ£¿¾ßÌåµÄ¼ÆËã¹ý³ÌÊÇÔõôÑùµÄ£¿±¾È˲»Ê¤¸Ð¼¤£¬Ð»Ð»£¡Æ½¾ùÁ£¾¶´óСºÍ·ÖÉ¢¶ÈÖ®¼äµÄ¼ÆËã·½·¨
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  • ¸½¼þ 1 : 2007-sp.pdf
  • 2013-07-03 16:41:57, 140.56 K

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tunjf04

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2Â¥2013-07-04 18:52:09
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Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÍõÏþÃÈ: ½ð±Ò+2, лл·ÖÏí£¡ 2013-07-04 20:00:46
tunjf04: ½ð±Ò+10, лл£¬ÎÄÏ×ÎÒÏÂÏÂÀ´ÈÏÕæ¿´¿´£¬ÓÐÎÊÌâÔÙÇë½Ì¡£ 2013-07-05 13:12:52
ÎÒµÄÎÄÕÂÖÐÓÐ:
The dispersion and the area of surface Cu were calculated as
D=(2¡ÁY/X)¡Á100%

S=2¡ÁY¡ÁNav/(X¡ÁMCu¡Á1.4¡Á1019)=1353¡ÁY/X(m2-Cu/g-Cu).

In these equations, Nav is Avogadro¡¯s constant, MCu is the relative atomic mass of copper (63.46 g/mol), and 1.4 ¡Á 1019 is the number of copper atom of per square meter, because the average surface area of copper atom is assigned as 7.11 ¡Á 10−2 nm2.

Average volume¨Csurface diameter can be expressed as a function:

dv.s=6/(S¡Á¦ÑCu)¡Ö0.5¡ÁX/Y(nm).

¦ÑCu in this equation is the density of copper (8.92 g/cm3).

¾ßÌå¿ÉÒԲο¼:
Journal of Catalysis, Volume 296, December 2012, Pages 1-11
Applied Catalysis A: General, Volume 403, Issues 1¨C2, 22 August 2011, Pages 173-182
Applied Catalysis B: Environmental, Volume 101, Issues 3¨C4, 14 January 2011, Pages 431-440
3Â¥2013-07-04 20:00:11
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tunjf04

½ð³æ (ÕýʽдÊÖ)


ÒýÓûØÌû:
3Â¥: Originally posted by zyhou at 2013-07-04 20:00:11
ÎÒµÄÎÄÕÂÖÐÓÐ:
The dispersion and the area of surface Cu were calculated as
D=(2¡ÁY/X)¡Á100%

S=2¡ÁY¡ÁNav/(X¡ÁMCu¡Á1.4¡Á1019)=1353¡ÁY/X(m2-Cu/g-Cu).

In these equations, Nav is Avogadro¡¯s const ...

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4Â¥2013-07-05 19:20:41
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tunjf04

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ÒýÓûØÌû:
5Â¥: Originally posted by zyhou at 2013-07-05 21:17:18
¿ÉÒÔÓÃÇòÌåµÄ±íÃæ»ý¹«Ê½À´¼ÆËã

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6Â¥2013-07-05 23:23:00
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xinxinqi

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Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÍõÏþÃÈ: ½ð±Ò+1, лл·ÖÏí£¡ 2013-07-08 21:51:01
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xinxinqi

½ð³æ (СÓÐÃûÆø)


¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
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8Â¥2013-07-08 16:13:20
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¡ï ¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
missu001: ½ð±Ò+1, ¸Ðл·ÖÏí 2013-07-09 09:26:03
È¥¿´Öö¥µÄÁ½¸ö»ØÌû¡£ http://muchong.com/bbs/viewthread.php?tid=5107489&target=self&page=1

good luck
9Â¥2013-07-08 22:51:07
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tunjf04

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ÒýÓûØÌû:
9Â¥: Originally posted by superleo8936 at 2013-07-08 22:51:07
È¥¿´Öö¥µÄÁ½¸ö»ØÌû¡£ http://muchong.com/bbs/viewthread.php?tid=5107489&target=self&page=1

good luck

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