| 新 | 标 题 | 悬赏分 | 发贴人 | 回复/阅读 | 回复人 | 更新时间 |
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浓缩器的使用 | 3 | wanghj | 4/1042 | wanghj | 2008-01-11 09:58:49 |
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请教关于氮气保护的问题 | 3 | yw6729 | 9/1514 | yinshaohon | 2008-01-10 12:57:01 |
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催化加氢还原 | 3 | hbzjklf | 7/1194 | hbzjklf | 2007-12-20 17:05:58 |
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急求从3，5-二羟基苯甲酸合成3，5-二羟基苯甲醇的办法，谢谢！！ | 3 | yyf9855 | 7/1208 | nongyao | 2007-12-19 10:30:27 |
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请教薄层色谱问题 | 3 | 困难虫虫 | 6/1022 | liyajunyud | 2007-11-08 14:06:00 |
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不对称酮的卤化 | 3 | 987654321 | 12/2024 | wmx | 2007-11-06 11:07:14 |
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[求助]正丙醇胺如何酯化？ | 3 | neticeman | 10/1227 | neticeman | 2007-11-02 14:07:29 |
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氰氨的翻译及释义 | 3 | zlb882001 | 5/822 | zlb882001 | 2007-10-22 10:42:08 |
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埃斯韦勒-克拉克甲基化怎么控制甲基的转化量? | 3 | quick208 | 5/1171 | 韦恩 | 2007-10-22 08:10:55 |
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急，酰胺的还原 | 3 | swift | 9/1583 | amoy20 | 2007-09-21 10:41:27 |
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多糖的硫酸酯化后用氢氧化钠中合问题 | 3 | yyjbigfish | 5/991 | dongjinf | 2007-07-30 06:03:01 |
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工业上DMF 脱水 | 3 | rqs1 | 13/2675 | cqkuanbao | 2007-07-06 10:11:15 |
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结婚发喜糖了 | 3 | lzdouble | 24/984 | flychem | 2007-06-10 15:32:46 |
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催化剂用量问题！ | 3 | qhw123 | 14/2603 | zengm | 2007-05-13 15:50:29 |
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炔烃催化加氢成烯烃 | 3 | 红色卫士 | 14/2051 | 红色卫士 | 2007-04-28 10:19:50 |
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反应结束后未反应的氯甲烷怎么处理？ | 3 | jufeng | 5/823 | 七月 | 2007-04-17 16:33:10 |
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铑/碳催化剂活性问题 | 3 | qyl1970 | 11/1463 | xingpgkl | 2007-04-11 13:04:56 |
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样品没有颜色，过柱子时如何检测到我要的东西 | 3 | hyzhang | 11/1040 | hyzhang | 2007-03-28 00:03:06 |
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5,6-dichloro-1-ethyl-2-methyl-benzimidazole怎么翻 | 3 | eelmwood | 7/805 | jiang123 | 2007-03-02 20:46:31 |
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5-bromo-2-mercaptobenzothiazole 怎么翻译 | 3 | eelmwood | 3/827 | eelmwood | 2007-01-31 09:45:21 |