��̎��

��r(sh��)�g��2011-01-04 10:31 ��Դ�� : ��x��9806

Ŀǰ,��(n��i)��շ��(li��n)�σ��ȡ�

1,��Һ��շ�

��շ��þ��^��߀ԭ�λ��|(zh��),��i��(KMnO4)��c��Һ��,��c��Õr(sh��)��(y��ng)�ٶȿ�,��Ч�ʸߣ��Һ��ȵ�,��ד]�l(f��),��ٵ��c(di��n)��շ��и��i��⛺ʹ��c��Һ��շ��ȣ�

2,��w��

��ĳ�N��W(xu��)��|(zh��)̎��^�Ļ��̿��鹯��Մ��ķ��ں��U��ă��,��(n��i)��̎��͝�ȹ��U��͸ߝ�Ⱥ��U��Ķ��(j��)��cl̎��Ļ��̿��ڹ�ұ��ߝ�Ȼ��Ϲ��U��п��]��(j��ng)��(j��)�ɱ��,��Ҳ��ö��c̎��Ľ�̿��,��

��(n��i)��F(xi��n)��d�y��̿��d��̿��b�ã��ѽ�(j��ng)�ƏV��(y��ng)��,��ļ��g(sh��)�Ƕȿ��],��d�y��̿��Մ��һ�N��^��ķ�ʽ��cĳЩ��ٽ��|��ɷ�(w��n)��Ĺ��R�Ͻ�,��c�y�γ��y��R��܏�(qi��ng),��(d��ng)�՚��еĹ��c�d�y��|�r(sh��)��c�y��y��R,��ǹ��,��y��R��һ�N��_(t��i)��ڳ��ºܷ�(w��n)��,��ҟo��,��ڻ��̿�d�y�r(sh��)�^��(sh��)�yֻ��ڻ��̿��棬��(d��ng)��w��ͨ�^�d�y��̿��r(sh��)��ֻ��y�ĵط��,��,��d�y��̿��Մ��r(sh��)��͸�^��ّ�(y��ng)ԓ��ڷǳ�С�ķ��(n��i)��һ��0.2m/s��Ҋ,��˷��Ļ��̿��b��ஔ(d��ng)��,��⣬��ڽ��y�r(ji��)��͝q,��ʹ��d�y��̿��ɱ��S֮��,��̎��ɱ��ĽǶȿ��]��׌һ��I(y��)�y�Խ��,��

��d��̿��Մ��Ľ�(j��ng)��(j��)�ͼ��g(sh��)�ǶȾC�Ͽ��]��һ�N�^��ķ�ʽ,��ڻ��̿�d��r(sh��)�^��(sh��)�򱻸��ڻ��̿��϶�У��(d��ng)��w��ͨ�^�d��̿��r(sh��)��,��Ч��c��|��Ķ�Ѹ��c�򷴑�(y��ng)��򻯹�,��e�ڻ��̿��϶��,��_(d��)��Ŀ�ġ��@�N�d��̿�m��ڳ�Ҏ(gu��)��y�Ĉ��,��Գ�ȥ��w��еĹ��,��Ч�ʾ��99��ϡ�

��͹��򻯹��Ļ��W(xu��)��(y��ng)Ӌ(j��)��,��t1 g��(y��ng)�c6��25 g��(y��ng),��ÿ1 g�d��10��d��̿�е��ɷ��(y��ng)0��625 g��@��f,��Փ��d��10��d��̿�O�޳��鴲��d��̿��b��62��5��,��ڌ�(sh��)�H��(y��ng)��У��ڻ��A(ch��)��̿�Y(ji��)��(g��u)��,��w��С,��d��͚��w��١��ض�,��,��Լ��ͽY(ji��)��(g��u)��d��̿��b��,��,��e�ȵ��ض�Ӱ푳��(sh��)�H�ĳ��(y��ng)�ȘO�޵ĳ��С�S��,��Գ��O(sh��)Ӌ(j��)�r(sh��),��]��ͨ��ջ��̿��d��̿��b��15�� һ20��Ӌ(j��)�㡣

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