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lashawshank

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Pb-granules (99.99%) were washed with double distilled water and activated
electrochemically for 2 h at 2.0 V (SCE) in 0.2 M K2CO3 solution. After activation, the granules showed a characteristic shiny metallic colour.
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wuliankui

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lashawshank(½ð±Ò+1): ÇëÎʻʱµÄµçλÈçºÎÈ·¶¨£¬ÎÄÏ×ÖÐÊÇÔÚÒ»¸öºã¶¨µÄµãµç룬ÄÜÐÐÂð 2011-04-24 10:50:48
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alsjiao

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lashawshank(½ð±Ò+1): ÇëÎʻʱµÄµçλÈçºÎÈ·¶¨£¬ÎÄÏ×ÖÐÊÇÔÚÒ»¸öºã¶¨µÄµãµç룬ÄÜÐÐÂð 2011-04-24 10:51:00
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3Â¥2011-04-23 20:00:35
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lashawshank

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Originally posted by wuliankui at 2011-04-23 17:49:48:
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4Â¥2011-04-23 20:39:24
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lashawshank

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Originally posted by alsjiao at 2011-04-23 20:00:35:
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5Â¥2011-04-23 20:40:17
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