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˼h(hun)Ƽ޹˾|ܛˮO(sh),ȫԄܛˮO(sh),ȫԄܛˮ
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        ʳƷܛˮ֬ƳˮֱÆ?öÑܛˮO(sh)ƳˮܷôɆĿƌW(xu)ǶȁfʳƷܛˮO(sh)_ãܛˮmȻfǽ(jng)^̎Ҫ߀ȥˮе}VxҲۂ^ˮˮIJֽxӺͼ(x)]ȫȥҪ_                                                                                                                                                                                                                                                                                                                                                                                                 ܛˮO(sh)Ĺԭ
ˮӲҪ}VγɼʾһxӽQ֬(ܛˮ)ˮеCa2+Mg2+γˮҪɷݣÓQS֬(ni)Ca2+Mg2+֬ȥCa2+Mg2+Чu
(dng)֬һ}Vx֮ͱM^̾}е}ˮ_ϴ֬ј֬ϵӲxÓQSUҺų⣬ֻ֬֏(f)ܛQܡ
ˮӲҪ}VγɼʾˮӲҪ}VγɼʾcxӽQܛ̎ԭnjԭˮͨ^cxӽQ֬ʹˮеӲȳɷCa2+Mg2+c֬еNa+ཻQĶˮеCa2+Mg2+ʹˮõܛRNac֬͘佻Q^£
2RNa + Ca2+ = R2Ca + 2Na+
2RNa + Mg2+ = R2Mg + 2Na+
ˮͨ^cxӽQˮеCa+Mg+ÓQNa+
һy\̞飺\Сϴ}ϴ}aˮϴ
 


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