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zhanjishan

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bingyu0729

ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)

zhanjishan(½ð±Ò+1): 2010-10-22 20:54:53
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2Â¥2010-10-22 20:45:35
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zhanjishan

ľ³æ (СÓÐÃûÆø)

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3Â¥2010-10-22 20:54:47
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guaizaixx

½ð³æ (СÓÐÃûÆø)

zhanjishan(½ð±Ò+3): 2010-10-23 00:25:42


where
S_f = stoichiometry factor ____
V_ads = volume adsobed ____cm3/g
V_g = molar volume of gas at STP   22414 cm3/mol
m.w. = molecular weight of the metal ____ a.m.u.
%M = % metal ____ %

Thus
%D = ____ %

[ Last edited by guaizaixx on 2010-10-22 at 16:00 ]
4Â¥2010-10-22 22:59:41
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wendyso

гæ (СÓÐÃûÆø)

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Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
Dispersion of M:
the ratio of M number of irreversibly chemisorbed hydrogen atoms to the total number of M atoms
metal particle size£º
irreversible H2 chemisorption using the relation d(chem)=5p/S
S is the metal specific surface area
p is the density of M
5Â¥2013-01-07 13:44:25
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