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sscc589

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sscc589

½ð³æ (СÓÐÃûÆø)

Â¥ÉϵĿɷñ˵¾ßÌåµã,Ôõô±ê¼ÇÄǸö¹ýµçλ?·Ç³£¸Ðл
8Â¥2009-09-24 14:07:28
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wksduedu

Òø³æ (ÕýʽдÊÖ)

¡ï ¡ï
sscc589(½ð±Ò+2,VIP+0):ллŶ 9-24 09:16
Ëùν¹ýµçλӦ¸Ã¾ÍÊÇָѭ»··ü°²ÇúÏßÉϵÄÑõ»¯µçλ»ò»¹Ô­µçλ°É
3Â¥2009-09-23 19:46:57
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qumeili

½ð³æ (СÓÐÃûÆø)

¡ï ¡ï
sscc589(½ð±Ò+2,VIP+0):ллŶ 9-24 09:16
¿´Í¼µÄÑõ»¯ºÍ»¹Ô­µç룬ÓëʽµçλÏà±È£¬²îÖµ¾ÍÊǹýµçλ¡£
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4Â¥2009-09-23 20:34:00
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sscc589

½ð³æ (СÓÐÃûÆø)

лл¥Éϸ÷λµÄ°ïæ
ÇëÎÊÂ¥ÉϵÄʽµçλÊDz»ÊDZê×¼µç¼«µçλ?ÎÒ°ÑÏà¹ØÎÄÏ×Ìù³öÀ´,ÇëÂ¥Éϸ÷λ°ïÎÒ¿´¿´
Cyclic voltammetry (CV) of AgClO4 was examined in
CH3CN + 0.1 M LiClO4, with GC as working electrode
and a silver wire directly immersed in the electrolytic solution
as reference electrode. Fig. 1 shows two successive cyclic
voltammograms, displaying the characteristic features
of diffusion-controlled electrodeposition in the cathodic
branch and stripping of the metal from the electrode surface
in the anodic branch. The reduction peak in scan 2
is positively shifted with respect to the first scan. If we
define the nucleation overpotential, gdep, as the difference
between a potential corresponding to the foot of the reduction
wave (inset of Fig. 1) and the equilibrium potential,
i.e., E = 0 V vs AgjAg+, the jgdepj for the first and second
scans are 126 and 42 mV, respectively. Equilibrating the
electrode at the turning potential (0.5 V in Fig. 1) strongly
influences the nucleation overpotential for silver.
5Â¥2009-09-24 09:13:31
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