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城中木

木虫 (正式写手)

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8楼: Originally posted by 低调小弟 at 2016-09-07 17:07:33
自腐蚀电位是指腐蚀体系中工作电极上阴阳极的混合电位?能具体解释一下吗?没注意过这种说法。...

对不住了,现在才看到,当金属在腐蚀介质中腐蚀时,表面会形成多个腐蚀电池,其中阳极反应点和阴极反应点可能会出现重合的几率,但从整体而言,得失电子数目应是对等的。此时我们所测的自腐蚀电位就是电极表面所有阴、阳极电位综合的结果,具有统计平均的意思。这是本人对此的理解,不当之处,望能探讨。
11楼2016-09-25 08:00:35
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goshen

铁杆木虫 (职业作家)

首先纠正一下术语,不叫电势。

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12楼2016-09-25 08:36:41
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