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2Â¥2011-05-08 15:09:46
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abooo(½ð±Ò+2): ¹ÄÀø½»Á÷£¡»¶Ó³£À´ÎÞ»ú°æ£¡ 2011-05-11 08:03:31
wang07055136(½ð±Ò+2): 2011-05-11 09:48:05
wang07055136(½ð±Ò+2): 2011-05-16 08:46:06
abooo(½ð±Ò+2): ¹ÄÀø½»Á÷£¡»¶Ó³£À´ÎÞ»ú°æ£¡ 2011-05-11 08:03:31
wang07055136(½ð±Ò+2): 2011-05-11 09:48:05
wang07055136(½ð±Ò+2): 2011-05-16 08:46:06
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K+ Na+ ion exchange the Na+ ions in the glasses are replaced be K+ ion in the KNO3 melt. the exchange process occurs in in the surface of the glass and the exchanged depth grows with the time. |

3Â¥2011-05-11 02:43:17














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