新 | 标 题 | 悬赏分 | 发贴人 | 回复/阅读 | 回复人 | 更新时间 |
年产五万吨二氧化钛的生产工艺(氯化法) | 3 | jerryao | 3/983 | yanan0930 | 2006-02-22 22:01:58 | |
通氯反应中如何除去多余的HCl? | jerryao | 18/1096 | jerryao | 2005-11-21 13:32:44 | ||
吡唑的硝化 | jerryao | 4/650 | jerryao | 2005-11-21 13:25:25 | ||
求“2589-57-3”紫外吸光光谱图 | 3 | jerryao | 5/833 | jerryao | 2005-11-19 09:09:17 | |
求synth. comn. 1973,NO.5,294-5(eng) | 3 | jerryao | 2/534 | jerryao | 2005-11-19 08:44:15 |