新 | 标 题 | 悬赏分 | 发贴人 | 回复/阅读 | 回复人 | 更新时间 |
精馏时,釜底冒泡且蒸汽上不去,无法蒸馏出产品,不知为何? | 3 | zxf0000001 | 9/742 | zxf0000001 | 2010-11-22 18:58:15 | |
靛红酸酐在甲醇或者丙酮会发生反应? | zxf0000001 | 0/419 | 2010-09-07 13:08:01 | |||
重氮盐的还原 | 3 | zxf0000001 | 4/617 | zxf0000001 | 2009-02-13 22:08:00 | |
重氮盐与乙醇反应 | 3 | zxf0000001 | 2/578 | zxf0000001 | 2009-01-12 14:54:33 | |
催化剂中毒有啥变化? | 3 | zxf0000001 | 4/842 | zxf0000001 | 2007-12-07 10:35:14 | |
雷尼镍催化剂活性测定? | 3 | zxf0000001 | 3/764 | zxf0000001 | 2007-12-03 15:12:43 | |
雷尼镍催化剂 | 3 | zxf0000001 | 6/1089 | zxf0000001 | 2007-12-01 13:27:12 |