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weiwei1983

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ÇëÎÊpoint of zero net proton charge (pznpc)ʲôÒâ˼£¿

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weiwei1983(½ð±Ò+2): 2010-03-17 13:37
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weiwei1983

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½ºÌå¿ÅÁ£Ëù´øµçºÉÀ´Ô´ÓÚÁ½¸ö·½Ãæ:¾§Ìå½á¹¹(ͬ¾§Öû»ºÍ¾§¸ñȱÏÝ) ºÍ·ÖÉ¢½éÖÊÖеÄÀë×Ó×é·ÖÔÚ¿ÅÁ£- ÈÜÒº½çÃæ
Éϵķ´Ó¦. Óɾ§Ìå½á¹¹²úÉúµÄµçºÉ³ÆÎª½á¹¹µçºÉ(¦ÒST) ,ÓÉ
H+ »òOH- Àë×ÓµÄÎü¸½²úÉúµÄµçºÉ³ÆÎªÎü¸½ÖÊ×ÓµçºÉ(¦ÒH) ,
Á½ÕßÖ®ºÍ³ÆÎª±¾Õ÷µçºÉ( Intrinsic charge ,¦Òo) ,¦Òo =¦ÒST +¦ÒH .
½ºÌå¿ÅÁ£µÄÁãµçºÉµã(Points of zero charge , PZC) Ö¸ÔÚÒ»¶¨ÎÂ
¶È¡¢Ñ¹Á¦ºÍ½éÖÊ×é³ÉÌõ¼þÏÂ,ijһÀàµçºÉÃܶÈΪÁãʱ½éÖʵÄpH Öµ,¿É·ÖΪÁã¾»ÖÊ×ÓµçºÉµã(Point of zero net proton charge ,
PZNPC,´Ëʱ¦ÒH = 0 ,Ò²³ÆÎªÁã¿É±äµçºÉµã) ºÍÁã¾»µçºÉµã
(Point of zero net charge , PZNC , ´Ëʱ¦Òo = 0)

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