��ʩ��S��ؽ��Cu��Zn,��Cd��ܞV�w��

��r�g��2015-06-25 13:43 ��Դ��h(hu��n)��̌W(xu��)�� : ��x��2226

ժҪ:

��Ŀǰ��(n��i)��̎�õ��Ҫ��ʽ�͹Ą��,��Ї��S��؅^(q��)��ǰ��x.��฻��ЙC�|(zh��)�͠I�B(y��ng)Ԫ�ؿɏ��a�S��ؚ�ȱ��,��S��ֲ��a(ch��n)��.��ʩ��S��,��ˮ��ؽ��ٵ��ܞV�w�ƺ��Ⱦ�L(f��ng)�U��ֵ��о��n�}֮һ.�о�ּ��˽��ؽ��Cu,��Zn,��Cd��S��е��ܞV�w��,��S��؅^(q��)��ü��ؽ��Ⱦ��ṩ��(j��).��x��к��Դ��Cu��Zn,��Cd3�N�ؽ��о��,ͨ�^�҃�(n��i)ģ�M��Ӷѷ��2�NԴ��ؽ��M��1��ˮ��ܞV��Ȍ��,�y��ܞVǰ��к͝B��Һ��Cu,��Zn��Cd��ЙC�|(zh��)��pHֵ,��ڷ��ؽ��S��е��ܞV,��w��.�Y(ji��)��,�ܞV��ÿ�ʹ�ѷ��Cu,��Zn��Cd�l(f��)��w�Ʋ��,��ϲ�,�󲿷ֻ�^�󲿷��ؽ��Ԝ��ڸ��(0~20cm);�ܞVʹ�ѷ��Cd�cCu��w�Ƽs30cm,Zn��w�Ƽs20cm;�B��Һ��A��,��Cu,��Zn��Cd3�N�ؽ��ٵĝ��^��Bˮ��,��S�B��Һ��S��ܳ��ؽ��O��.��,��ؽ��Դ��Cu,��Zn��Cd��е��ܞV,��w�ƺ͜��Լ��ܳ��в�ͬ�̶ȵ�Ӱ�,�ѷ��ÿ��@��S��,��Ȍ��ЙC�|(zh��)��ܞV�pʧ��^С.��ó�,�ѷ��S��؅^(q��)��ǿ��е�.

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