�ڶ�ϲ��{��w��Ⱦ

��r�g��2008-12-24 08:33 ��Դ��ƌW(xu��)�r�� : ��x��1263

��ǰ,��Ʋ�ů��ȼú��Ⱦ��m��,��,��̫ԭ�ȵصĭh(hu��n)��T��ȼú偠t�M(j��n)��W(w��ng)ʽ�z�飬��c(di��n)�z��m�O(sh��)ʩ�\(y��n)��Ƿ��,��ȼú�|(zh��)��Ƿ�ϸ�ȵ�,��@��M(j��n)��ů�ں�,��S��ȼú��ů偠tͶ��\(y��n)�У��@Щ��о��M(j��n)��˴��Ⱦ��(y��n)�صĕr��,��

úȼ��ɇ�(y��n)�صĴ��Ⱦ,��˳�Ҋ��Ⱦ���͵��֮��,��úȼ��^��߀�a(ch��n)��ļ{��w��,��@Щ�{��w���՚��W(xu��)ֱ��С��100nm��w����y(t��ng)�ĳ��m�O(sh��)�䲢��Чȥ��,��M(j��n)��,��H��Ⱦ�h(hu��n)��Ӱ푴��Ҋ��,��(d��o)�½�ͨ�¹��l�l(f��),��߀��w��ɇ�(y��n)�صĝ��Σ��

�l(f��)��ڡ��ƌW(xu��)ͨ��2008��21��ϵġ�ȼú�{��w��ﻯ��Լ��䝓�ڽ��Σ��һ�ľ͌�ȼú�{��w��W(xu��)��Լ��佡��Ч��(y��ng)�M(j��n)��̽ӑ,��ָ��ȼú�{��w��w��“�[�Κ��”,��

��(n��i)ȱ��P(gu��n)�о�

Փ�ĵ�һ��A�пƼ��W(xu��)úȼ��c(di��n)��Ҹ��ڶ�ϲ��ӛ�߲��L�rָ��“�w��ѳɞ��҇��п՚��е��Ҫ��Ⱦ�Ȼ��(n��i)��ȼú�{��w��W(xu��)��Լ��佡��Ч��(y��ng)߀֪֮��,��”

��(n��i)�о�Ŀǰ��Ҫ�P(gu��n)עPM10��PM2.5��՚��W(xu��)ֱ��քeС��10μm��2.5μm��w��,��ȱ��ȼú�{��w��P(gu��n)�о��

��⌦ȼú�{��w��о��Ҫ��棺�γəC(j��)��W(xu��)��,��w��Ӱ푙C(j��)��,��ͽ��Ӱ푵��P(gu��n)��g(sh��)��

ȼú�{��w��ʮ�֏�(f��)�s��γ�;��,��ΑB(t��i)�ͻ��W(xu��)��(g��u)�ɣ��ͬ�ڴ��Դ�ļ{��w��,��ڶ�ϲ�f��“�^С��,��^��ıȱ��e��ж��Ԫ�صĸ��c(di��n)�ǌ�(d��o)�½��p��Ҫԭ��,��Ŀǰ��о��l(f��)�F(xi��n),��ͨ�^ĳЩ��g(sh��)��ȼú�{��w��Ľ��Ӱ푡�”

��ڇ��(n��i)�ڴ˷��о�߀ʮ��ȱ��,��˂��Ľ��R,��ߌ�ȼú�{��w��｡��Ч��(y��ng)��ҕ��ӏ�(qi��ng)��A(ch��)�о�,��Ķ��҇��h(hu��n)��ĸ��Ƶ춨��A(ch��),��ڶ�ϲ��ڵ��о��F(tu��n)��_ʼ��ȼú�{��w��Լ��佡��Ч��(y��ng)��о��

��к�Ԫ��

�ڶ�ϲ��ᘌ��ض��ȾԴ——ȼú늏S——�ŷŵļ{��w��չ�_�о�,��

“�{��w��о��y�c(di��n),��һ��o��M(j��n)�и��(x��)�µ��ּ�,��箔(d��ng)ǰ�ܶ�ɘ�ϵ�y(t��ng)��С�и��_(d��)��100nm��£��һ��,��y(t��ng)�Ē��R��ڷֱ��ʵ��,��܌��{��w��M(j��n)��Ч��”�ڶ�ϲ�f,��

ᘌ��y�c(di��n)��},��ڶ�ϲ��÷ֱ��^�ߵĵ͉�ײ��ȼú偠t�a(ch��n)��ļ{��w��：(x��)�ֳ��ȶΣ��߲��ø߷Ŵ󱶔�(sh��)��40�f��l(f��)��@΢�R�;۽��͒��X�侀�ɹ��V�x��M(j��n)��Ԕ��(x��)��ﻯ��Ա��,��

�о��Y(ji��)��ΑB(t��i)��,��ȼú�{��w��xɢ��һ��w��۽Y(ji��)�w��һ��w��Ҫ��20��150nm��λ��ι⻬�w��,��۽Y(ji��)�w�ĳߴ��_(d��)500nm��,��Ļ��W(xu��)�M��ϣ�ȼú�{��w��o�C(j��)��ЙC(j��)��,��Пo�C(j��)�{��w��Ҫ�ɟo�C(j��)�ɻ�Ԫ�ؘ�(g��u)��,��ЙC(j��)�{��w��t��Ҫ��Ԫ��C��(g��u)�ɣ�ͬ�r��к��^��Ԫ�غ��ؽ��Ԫ��,��

�ڶ�ϲ��߀�l(f��)�F(xi��n),��ͬһȼú偠t��ɵļ{��w��ƵĻ��W(xu��)��(g��u)�ɣ��Ҫ��,��y��Ԫ�غ͉A��/�A��Ԫ��,��ͬ��ȼú偠t��{��w��Ԫ�ؽM�ɴ��^��,��

��Σ��

�ڶ�ϲָ��“ȼú�{��w��W(xu��)��c�䝓�ڶ��W(xu��)Ч��(y��ng)��P(gu��n),��”

�w��?j��ng)Q��w��w��ϵ�y(t��ng)�еĳ��e�О顣��w��2.5��10μm��Ҫ��Ϻ��(n��i),��(x��)�w��0.1��2.5μm��󲿷ֳ��e��º��,��{��w��<0.1μm��t��ĩ�˺��У��Ķ��w��M(j��n)һ��w��Լ��õİl(f��)��(chu��ng)��˗l��,��

�ڶ�ϲ�f��“�҂��о��Y(ji��)��,��ȼú�{��w��ֱ��0.1μm֮�£��@Щ��(x��)С�w��һ��,��^�L�đҸ��r�g��^�h(yu��n)�ĔU(ku��)ɢ��x,��ױ��w��롣”��,��{��w��бȴ��w��ߵıȱ��e,��˿ɱ��ֺܸߵ��ԣ��܌�(d��o)��(y��ng)��DNA�ēp��@ЩӰ푱��J(r��n)��ǌ�(d��o)�°��Y�l(f��)��Ŀ��ԭ��,��

��w��֮��,��w��(f��)�s�Ļ��W(xu��)�M��Ҳ��ɽ��Σ��Ҫ��ء��ڶ�ϲ�ȵ��о��Y(ji��)��@ʾ,��ȼú�{��w��ﲢ��Ɇ�һ�M�֘�(g��u)��,��ͨ��Ƕ�N��ͬ�ɷֵĻ��w��o�C(j��)�w��,��,��X��},��F,��c��,��V,��׵�Ԫ�أ��߀��һ��(sh��)��^��Ԫ�غ��ؽ��Ԫ��~,��\,��i�ȣ��䶾��W(xu��)Ч��(y��ng)��(f��)�s,��

“�{��w��ĺ��_(d��)30��,��ͨ��ᡢ��}��ʽ��w��,��к܏�(qi��ng)��,��”�ڶ�ϲ��Vӛ�ߣ�“��Ⱦ��ʹ�ۡ��Ĥ��Ƥ�w�a(ch��n)��ʮ�֏�(qi��ng)�ҵĴ̼��Է��(y��ng),��Ʒ��w��,��Ɍ�(d��o)��Ⱥ�w��С��ߵ�Ӱ��(y��n)��,��”

̼��һ��Ҫ�ļ{��w��,��佡��Σ��ў��˂��˽⣬��܌�(d��o)�°��Y�ͺ��ϵ�y(t��ng)��,��ڶ�ϲָ��“ȼú�^�̮a(ch��n)��̼�ڲ��ǆ�һ��̼�w��,��V�x��߀��й�,��F,��\��~��Ԫ��,��о��l(f��)�F(xi��n),��ȼú̼��ͨ��c��F��Y(ji��)��һ��䷴��(y��ng)�Եõ��^��,��˿��ܮa(ch��n)��ȼ�̼��w��Σ��,��”

��,��ȼú�{��w��Ｐ�佡��Ч��(y��ng)��о��H��ȼú�w��L(f��ng)�U�u�r,��Ľ��R,��P(gu��n)�h(hu��n)��Ҏ(gu��)��ƶ��Լ��w��Ƽ��g(sh��)��о��c�_�l(f��)��

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