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- ½ð±Ò: 154.8
- É¢½ð: 13
- Ìû×Ó: 65
- ÔÚÏß: 20.4Сʱ
- ³æºÅ: 980050
- ×¢²á: 2010-03-23
- ÐÔ±ð: GG
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jxaf0105247: ½ð±Ò+4, ¡ïÓаïÖú 2012-12-05 07:55:38
zhtear99: ½ð±Ò+2, ¸ÐлÈÈÐÄÓ¦Öú£¬»¶Ó³£À´~~ 2012-12-06 15:28:33
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jxaf0105247: ½ð±Ò+4, ¡ïÓаïÖú 2012-12-05 07:55:38
zhtear99: ½ð±Ò+2, ¸ÐлÈÈÐÄÓ¦Öú£¬»¶Ó³£À´~~ 2012-12-06 15:28:33
| The graphitic oxide was prepared by stirring 100 g. of powdered flake graphite (Dixon's 8635, 325 mesh) and 50 g. of sodium nitrate into 2.3 liters of 66¡ã Be technical sulfuric acid. Ñõ»¯Ê¯Ä«µÄÖÆ±¸¹ý³ÌÈçÏ£º½«100¿Ë325Ŀʯī·ÛÓë50¿ËÏõËáÄÆ¼ÓÈëµ½2.3Éý66¡ãµÄÁòËáÖУ¬²¢¼ÓÒÔ½Á°è¡££¨½áºÏÔÎÄ£¬Õâ¶ùµÄ±íʾ·½·¨Ó¦¸ÃÊÇζȡ£µ«Ä¿Ç°ÖƱ¸Ñõ»¯Ê¯Ä«Õâ²½²¢²»ÐèÒª¼ÓÈȵ½Õâô¸ßζȣ¬ËùÒÔÎÒÈÏΪӦ¸ÃÊǵ±Ê±ÓõÄŨÁòËáµÄŨ¶È£¬½ö¹©²Î¿¼£© |
2Â¥2012-12-03 22:30:53
jxaf0105247
ľ³æ (ÕýʽдÊÖ)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 2453.9
- É¢½ð: 2294
- ºì»¨: 1
- Ìû×Ó: 821
- ÔÚÏß: 369.9Сʱ
- ³æºÅ: 1407379
- ×¢²á: 2011-09-19
- ÐÔ±ð: GG
- רҵ: ½ðÊô²ÄÁϵÄ΢¹Û½á¹¹

3Â¥2012-12-04 09:50:21
jxaf0105247
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- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 2453.9
- É¢½ð: 2294
- ºì»¨: 1
- Ìû×Ó: 821
- ÔÚÏß: 369.9Сʱ
- ³æºÅ: 1407379
- ×¢²á: 2011-09-19
- ÐÔ±ð: GG
- רҵ: ½ðÊô²ÄÁϵÄ΢¹Û½á¹¹
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