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新 |
标 题 |
悬赏分 |
发贴人 |
回复/阅读 |
回复人 |
更新时间 |
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求文献一篇,大大地加分! | 3 |
yunjinqi |
6/601 |
yunjinqi |
2009-09-09 16:44:11 |
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放大制酰氯 | 3 |
大荣 |
13/1088 |
cab148 |
2009-07-09 14:43:27 |
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酯化反应中的水都有哪些除水方法? | 3 |
colourfox |
14/2910 |
colourfox |
2009-06-27 06:01:03 |
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乙醇水中含有三乙胺盐酸盐,如何除去? | 3 |
中国化学化工1 |
9/1940 |
中国化学化工1 |
2009-05-06 15:12:54 |
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急求甲醇分离 | 3 |
chsxchemis |
19/1106 |
chsxchemis |
2009-04-07 15:00:25 |
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选择理想的溶剂 | 3 |
飞 |
6/636 |
飞 |
2009-03-04 08:48:57 |
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关于化合物熔点的问题 | 3 |
niushiwei |
9/1199 |
niushiwei |
2007-12-27 14:00:42 |
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NaOH溶于哪些有机溶剂 | 3 |
penny |
6/1182 |
penny |
2007-12-20 10:50:18 |
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索氏提取法提油时考查料液比有意义吗? | 3 |
linjiancha |
3/1200 |
zjtkd |
2007-12-11 13:17:46 |
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4-哌啶甲酸的酰氯化问题 | 3 |
yzj0315 |
5/636 |
yzj0315 |
2007-12-10 14:11:54 |
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芦丁的提取 | 3 |
pixin |
3/1211 |
pixin |
2007-12-10 11:03:46 |
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[求助] 酮的氨化还原 | 3 |
颖子 |
4/1593 |
879285862 |
2007-09-27 00:26:44 |
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求波谱图~~~ | 3 |
nh6829 |
3/605 |
nh6829 |
2007-09-17 17:29:44 |
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15%氨-乙醇溶液如何配制? | 3 |
颖子 |
8/2108 |
颖子 |
2006-10-17 22:25:18 |
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氰化亚铜/氰化钠 | 3 |
qyl1970 |
8/3022 |
qyl1970 |
2006-09-25 18:50:19 |
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求助缩酮如何做 | 3 |
lyer |
3/876 |
lyer |
2006-08-19 09:05:26 |
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有没有老兄用过巴豆醛啊 | 3 |
guoyi |
9/918 |
feiyan |
2006-07-04 07:42:57 |
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