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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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怎么提纯？ | 3 |
qqqqa |
5/1346 |
yu1981421 |
2011-03-25 14:10:02 |
| |
傅克酰基化反应的问题 | 3 |
qqqqa |
8/1078 |
yfzhang |
2009-03-25 08:44:03 |
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求助亚硝酸氧化的文献 | 3 |
qqqqa |
1/457 |
claymore |
2009-03-17 18:32:09 |
| |
偏硅酸钡能溶于何种溶液？ | 3 |
qqqqa |
3/674 |
xb-dream |
2008-01-12 16:28:34 |
| |
苯硫酚的制备 | 3 |
qqqqa |
5/2069 |
jsxuyi |
2007-11-29 09:35:58 |
| |
求助：2-羟基喹恶啉 | 3 |
qqqqa |
7/1184 |
albe24 |
2007-08-03 20:10:20 |
| |
环化时间的长短 | 3 |
qqqqa |
1/454 |
xiaoyaolcl |
2007-07-31 09:14:05 |
| |
二水合氟化钾如何去水？ | 3 |
qqqqa |
8/2126 |
qqqqa |
2007-07-31 08:30:27 |
| |
n,n-二异丙基-乙二胺 | 3 |
qqqqa |
2/668 |
qqqqa |
2007-07-31 08:29:56 |
| |
脲醛树脂的反应釜材质 | 3 |
qqqqa |
3/637 |
qqqqa |
2007-07-31 08:29:33 |
| |
西佛碱的制备 | 3 |
qqqqa |
7/1680 |
qqqqa |
2007-07-31 08:28:45 |
| |
请问有谁用过蒙脱土和氯化锌？ | 3 |
qqqqa |
7/875 |
xingpgkl |
2007-04-11 12:29:37 |
| |
新型硫化剂ＤＴＤＣ | 3 |
qqqqa |
2/1300 |
zhoubo8417 |
2006-12-03 11:12:54 |
| |
请问如何合成这个物质？ | 3 |
qqqqa |
5/906 |
Ace |
2006-10-21 10:41:46 |
| |
靛红酸酐合成的几点疑问 | 3 |
qqqqa |
3/1551 |
chjx0216 |
2006-10-10 23:45:56 |
| |
求助：怎样褪色 | 3 |
qqqqa |
6/1276 |
qqqqa |
2006-08-18 13:54:46 |
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