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knightstar
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- ÐÔ±ð: GG
- רҵ: ¸ß·Ö×Ó²ÄÁÏÓ빤³Ì

2Â¥2008-02-22 19:36:47
knightstar
ÖÁ×ðľ³æ (ÖøÃûдÊÖ)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 19798.8
- Ìû×Ó: 2719
- ÔÚÏß: 355Сʱ
- ³æºÅ: 471102
- ×¢²á: 2007-11-30
- ÐÔ±ð: GG
- רҵ: ¸ß·Ö×Ó²ÄÁÏÓ빤³Ì

3Â¥2008-02-22 19:48:30
knightstar
ÖÁ×ðľ³æ (ÖøÃûдÊÖ)
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- ½ð±Ò: 19798.8
- Ìû×Ó: 2719
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- ³æºÅ: 471102
- ×¢²á: 2007-11-30
- ÐÔ±ð: GG
- רҵ: ¸ß·Ö×Ó²ÄÁÏÓ빤³Ì

4Â¥2008-02-22 19:52:01
xiaohao600
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ôÈËá;carboxylic acid Ìþ»ùÓëôÈ»ùÏàÁ¬½ÓµÄ»¯ºÏÎï¡£Ò»ÔªôÈËáµÄͨʽÊÇRCOOH£¨R´ú±íÌþ»ù»òH£©¡£ ¸ù¾ÝôÈËáÖÐÌþ»ùµÄ²»Í¬¿É·ÖΪ £¨1£©Ö¬·¾Ëᣨaliphatic acid; fatty acid£©£¬ôÈ»ùÓëÖ¬£¨·¾£©Ìþ»ùÏàÁ¬¡£ÀýÈç¼×ËáHCOOH£¬ÒÒËáCH3COOH¡£ £¨2£©·¼ÏãËᣨaromatic acid£©£¬·Ö×ÓÖк¬Óз¼ÌþºË£¨±½»·»ò³í»·£©µÄôÈËá¡£·¼ÏãËáÖеÄôÈ»ù¿ÉÒÔÁ¬ÔÚ·¼ºËÉÏ£¬Èç±½¼×ËáC6H5COOH£¬Ò²¿ÉÒÔÁ¬ÔÚ·¼ÌþµÄ²àÁ´ÉÏ£¬Èç±½ÒÒËᣬÈâ¹ðËáC6H5CH£½CHCOOHµÈ¡£·¼ÏãËáÒ»°ã¶¼ÊÇÄÑÈÜÓÚË®µÄ¹ÌÌå¡£ |
5Â¥2008-02-23 08:55:01
knightstar
ÖÁ×ðľ³æ (ÖøÃûдÊÖ)
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- Ìû×Ó: 2719
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- ×¢²á: 2007-11-30
- ÐÔ±ð: GG
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6Â¥2008-02-23 11:30:00
princewye
Òø³æ (СÓÐÃûÆø)
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Carboxylic acid?????????? ??§»??????????????????????????????????????????????????????????????????????????????? ?????I??? 59.?????????????§¶¦´???????b?????¦Æ?????????????B???\??(???^?k??,?????{??????41????) 59.The diagnosis of the growing condition by the assay of carboxylic acid production quantity in Sedum mexicanum?? ???????????§«C??????.....15??Carboxylic acid?????????????? ????????????????? |
7Â¥2008-02-25 10:56:15
knightstar
ÖÁ×ðľ³æ (ÖøÃûдÊÖ)
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- ½ð±Ò: 19798.8
- Ìû×Ó: 2719
- ÔÚÏß: 355Сʱ
- ³æºÅ: 471102
- ×¢²á: 2007-11-30
- ÐÔ±ð: GG
- רҵ: ¸ß·Ö×Ó²ÄÁÏÓ빤³Ì

8Â¥2008-02-29 10:47:29
dagaofeng
ľ³æ (ÕýʽдÊÖ)
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- ³æºÅ: 518074
- ×¢²á: 2008-03-04
9Â¥2008-03-04 18:35:22













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