| 新 | 标 题 | 悬赏分 | 发贴人 | 回复/阅读 | 回复人 | 更新时间 |
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求助脱甲苯溶剂高手！！！ | 3 | jianfeng_h | 24/1430 | maollyy | 2009-10-12 13:47:06 |
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丙酮中含水怎么去除？ | 3 | jianfeng_h | 23/2842 | njbear | 2009-09-24 15:41:25 |
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帮我分析一下。 | 3 | jianfeng_h | 1/679 | xiaoyaolcl | 2008-01-15 07:44:38 |
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棕榈酰氯的制备问题求助 | 3 | jianfeng_h | 16/1378 | xuluming | 2007-12-05 13:47:10 |
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请问三乙胺吡啶\氨气在正己烷相中那个碱性最强,哪个最弱? | 3 | jianfeng_h | 1/870 | jianghai | 2007-11-19 15:39:26 |
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静电防护请教 | 3 | jianfeng_h | 5/737 | tongduoduo | 2007-09-26 23:40:42 |
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酰氯制备设备问题请教 | 3 | jianfeng_h | 7/815 | jaffnaz | 2007-08-28 16:55:14 |
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请问酰氯和无水硫酸钠会反应吗? | 3 | jianfeng_h | 1/669 | wuxjem | 2007-03-20 08:18:13 |
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过滤问题求助! | 3 | jianfeng_h | 5/765 | AndyChen | 2007-03-11 16:31:30 |
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过滤问题,请帮忙!! | jianfeng_h | 1/520 | rqlh12345 | 2007-03-03 14:39:59 | |
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棕榈酰氯的制备难题：请教 | 3 | jianfeng_h | 7/1022 | sunyubo | 2007-01-22 08:57:15 |