��U�Uˮ̎��g(sh��)�о��M(j��n)չ

��r(sh��)�g��2012-12-02 13:41 ��Դ��Ϸ�� : ��x��1477

ժҪ:ͨ�^��^��U��˺��U�Uˮ��Ҫ̎��g(sh��):��W(xu��)��,��늽ⷨ�͸߷��ؽ��ٲ��,��x�ӽ��Q��,��Ĥ��x��ȵ��о��M(j��n)չ,��N��ă�(y��u)ȱ�c(di��n)�M(j��n)��˽�B,��͏�(f��)�Ϸ��U�Uˮ�M(j��n)��չ��.

�P(gu��n)�I�~:�U,�Uˮ̎��,�M(j��n)չ

0��

�U�ڬF(xi��n)��I(y��)��a(ch��n)�Б�(y��ng)��ʮ�֏V��,�U��늳ء��,��ɵV,��ӡˢ��Ϳ�ϵ��ИI(y��)��(y��ng)�õ��U,ͬ�r(sh��)Ҳ��ͬ�̶ȵ،��h(hu��n)��U��Ⱦ.�U�Ϳ��U�}��ж��,��w�̈́�(d��ng)ֲ��Σ��.�S��I(y��)��l(f��)չ,�˂��U�Uˮ��̎��ҕ.��U�Uˮ�M(j��n)��̎��C��û��U��늳�,��,��ɵV��ӡˢ,��Ϳ�ϵ��ИI(y��)��a(ch��n)�в��ݺ�ҕ�Ć��}.��Č��õĺ��U�Uˮ��Ҫ̎��g(sh��)�ęC(j��)��M(j��n)չ�M(j��n)��˾C��.

1��U�Uˮ̎��g(sh��)

1.1��W(xu��)��

��W(xu��)��U�Uˮ��õ�̎��,��ԭ��ں��U�Uˮ�м��턩�M(j��n)�з��(y��ng),ʹ�ܽ�B(t��i)��U�x��D(zhu��n)׃?y��u)鲻��ˮ�ĳ��ȥ�?��(y��u)�c(di��n)��O(sh��)�了��,��.Ŀǰ,��ȸ�,��ĺ��U�Uˮ��̎�푪(y��ng)��^�ձ�.��W(xu��)��M(f��i)�ø�,��,��಻��ԾC��,��(hu��)��ɶ��Ⱦ.1)�кͳ��:�ڏUˮ�м��NaOH,Ca(OH)2,Mg(OH)2,BaCO3��к̈́�,ͨ�^�кͷ��(y��ng)�γɚ��̼��}��ȥ��.��ˇ��,�к̈́��Դ�V,�r(ji��)��,��Óˮ��ܺ�,�ڳ��U��ͬ�r(sh��)��к͸��N�ἰ��Һ,�m��̎��Ժ��U�Uˮ.��ȱ�c(di��n)�ǳ��,��ˮ�ʸ�,��ˮӲ�ȸ�,��(hu��)ʹ��ˮ�w�A��,��ɶ��Ⱦ.��U�ǃ��Խ��,

Ԕ��(x��)��(n��i)��Ո�鿴��֣�

����D(zhu��n)�d��ǳ��ڂ��f��Ϣ֮Ŀ��,��Ё�Դ��(bi��o)ע�e(cu��)�`��ַ��ĺϷ��(qu��n)��,��Ո��߳֙�(qu��n)��C��c��W(w��ng)(li��n)ϵ��҂��r(sh��)��,��h��x�x,��