ú��ʯ��/Һ�෨�Ƃ�{�װ�̿��

��r�g��2008-10-23 14:46 ��Դ��h(hu��n)��Ⱦ�c�� : �콨܊ ��x��1405

ժҪ��ú��ʯ��ԭ��,��Ú��/Һ�෨ֱ��Ƴɼ{�װ�̿�ڣ�SiO₂ ·xH₂O��,��ͨ�^��Ч��Ʒ��ͨ��ٶȺ��ķ��ˮ��ٶȣ��Ҵ��ɢ��,��X�侀��ĩ��䣨XRD��,��t��V��IR��͸��R��TEM��ȷ��Ƴɵİ�̿�ڷ��w��Ʒ�M(j��n)�б��Y(ji��)��,��Ƃ�ļ{�װ�̿�ڷ��w��,��ֲ��15��20 nm��ȸ��99.95%,��U�VҺ��ԾC��,��a(ch��n)��ۺ��Ȼ��X�F��

��ú̿�_�ɵ�ͬ�r,��ú��ʯ�ѷe��ɽ,��Hռ�Ì��F��YԴ��Ҍ��B(t��i)�h(hu��n)��ˇ�(y��n)��Σ��[1],��Ŀǰ,��ú��ʯ�ľC��߀̎��е͌ӴΣ��Ҫ��ƴu,��V��,��P��Թ��w�U��ú��ʯ��ԭ��Ƃ�{�װ�̿�ڣ�SiO₂· xH₂O��H��Q��ú��ʯ��h(hu��n)��Σ��,��߀�Ƃ��˸߸��ֵ�ļ{�װ�̿��,��ͬ�r��ÏU�VҺ�Ƃ�Uˮ̎�턩�ۺ��Ȼ��X�F��ú��ʯ�ĸߌӴξC��_��һ�l�µ�;��,��̿��ǹ��z,��֬��,��Ϳ��,��zճ��ī��I(l��ng)��ĸ�Ʒ�|(zh��)��(x��)��a(ch��n)Ʒ,��a(b��)��(qi��ng),��Y(ji��)�K,��wϵ��׃��|׃��[2],��̿�ڵ��a(ch��n)��Ҫ�К��෨��z-��z��[3],��y(t��ng)��෨��ԭ��F,��ɱ��ߣ��Ҏ(gu��)ģʹ�á��a(ch��n)��SiO2Ʒλ��,��ʹ�䑪(y��ng)��I(l��ng)��ܵ��,��ۺ��Ȼ��X�F�Ǹ�Ч�o�C(j��)�߷��X�}��F�}�ă�(y��u)��,��X�}��F�}�ąf(xi��)ͬ��,��ˮ��Ⱦ�ϏUˮ��ˎ�Uˮ��кܺõ�̎��Ч��,��Թ��I(y��)�U��ú��ʯ��ԭ��,��Ú��/Һ�෨�Ƶ��˸�Ʒλ�ļ{�װ�̿�ڣ��VҺ��ԭ��,��Ƃ��˟o�C(j��)�߷��Ӄ�ˮ��D�D�ۺ��Ȼ��X�F,��

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