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boshi806
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4Â¥2012-04-27 08:42:35
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2Â¥2012-04-26 23:33:26
fanbutao
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3Â¥2012-04-27 08:31:07
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dy322112: , ÑùÆ·Öл¹ÓÐË®ºÍÄ£°å¼Á 2012-04-27 21:55:43
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£¿£¿ ÕÔ¶«ÔªµÄÊÇ¡°In a typical preparation, 4.0 g of Pluronic P123 was dissolved in 30 g of water and 120 g of 2 M HCl solution with stirring at 35 ¡ãC. Then 8.50 g of TEOS was added into that solution with stirring at 35 ¡ãC for 20 h. The mixture was aged at 80 ¡ãC overnight without stirring¡± Õâ¸ö80¡æµÄ´¦ÀíÊÇÖ±½Ó¾²Öû¹ÊÇ·ÅÈëË®Èȸª£¿ °´ÕÕÕâ¸ö¹ý³Ì£¬µÃµ½ÁË2.9gÑùÆ·£¬ÊDz»ÊÇÌ«¶àÁË£¿8.5gTEOS ¶ÔÓ¦²Å2.38g¶þÑõ»¯¹è |
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