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所在版块 主题(研究方向: 天然有机化学的广播贴) 作者 回复数 最后回复
[分析] 气谱,测定苯甲酸的含量,能否用乙醇做溶剂,担心苯甲酸和乙醇反应生成酯类物质 (金币+1) 1989yiyi 2012-06-02 1/50 2012-06-02 16:18:11 by xbqewpq
[药学] [关贴]求有胡萝卜苷碳谱的文献 谢谢! free45 2012-06-02 1/50 2012-06-02 11:31:49 by free45
[晶体] 晶体结构 苗苗09 2012-06-01 0/0 2012-06-01 19:09:20 by 苗苗09
[有机交流] 关于BOC保护后的甘氨酸 酯化问题 chenglei521 2012-06-01 7/350 2012-06-03 18:04:02 by chenglei521
[精细化工] 今天投稿,投完才发现有错误,大家看看,问题大不    ( 1 2 ) +7 1989yiyi 2012-06-01 14/700 2012-06-25 21:58:19 by lingcharming
[有机交流] [关贴]麻烦哪位大虾用Scifinder搜索一下这个结构是不是新的 zbw2897590 2012-06-01 0/0 2012-06-01 11:42:26 by zbw2897590
[无机非金属] 求解差热重 图谱分析 362254624 2012-06-01 0/0 2012-06-01 10:28:21 by 362254624
[量子化学] ADF几何优化错误:GEOMETRY DID NOT CONVERGE 生平6 2012-06-01 2/100 2013-12-20 13:11:46 by zhaogaiyun
[标准专利求助完结子版] 酚酯的合成 (EPI+2) guocui037 2012-06-01 1/50 2012-06-01 05:21:34 by xj.zh654321
[药学] 微谱求助一化合物结构 zhaocaigui 2012-05-31 1/50 2012-06-03 10:52:01 by kaola0916
[新药研发] 申报FDA的新药的原料药是不是必须要到FDA批准的原料药厂商购买? +1 zhongliang 2012-05-31 1/50 2012-05-31 11:47:04 by cuku
[动植物] 求鉴定两种植物 (金币+2) 恶灵骑士 2012-05-31 5/250 2012-06-01 15:04:10 by 恶灵骑士
[育儿交流] 投票:  六一儿童节怎么陪孩子过 (金币+2) gzhangq 2012-05-31 44/2200 2012-10-18 15:11:12 by mrcehma
[有机交流] 紫外求助 lv13640 2012-05-31 2/100 2012-06-01 22:56:21 by lv13640
[有机交流] [关贴]烯烃点板显色的问题 yeyue130 2012-05-30 7/350 2013-11-18 06:21:20 by yeyue130
[药学] 天然药物化学化合物结构鉴定。。。。急用,高悬赏    ( 1 2 ) xiaogutou 2012-05-30 13/650 2012-06-04 17:36:41 by haitee
[药学] 反相柱怎么装柱 sunwen1111 2012-05-30 8/400 2012-09-04 10:41:58 by ly_tryh
[精细化工] 有关香水配置    ( 1 2 ) (金币+1) mvff 2012-05-30 10/500 2012-06-03 15:14:09 by mvff
[有机交流] 让人纠结的反应。。。悲催了    ( 1 2 3 ) guocui037 2012-05-30 26/1300 2012-06-01 15:36:34 by zhangxingye882
[有机交流] 三萜与甾醇类波谱差异 tingting1204 2012-05-29 3/150 2012-08-03 14:13:41 by lizhenlin
[晶体] 嘌呤类化合物晶体的培养 master8551 2012-05-29 0/0 2012-05-29 22:24:43 by master8551
[公务员考试] 公务员结构化面试注意事项和面试技巧.doc及数字推理真题汇总.    ( 1 2 ) zhaoweigang 2012-05-29 69/3450 2015-07-28 05:51:33 by 1141998388
[论文投稿] LC/MS检测中液相数据可以导出来吗? tanzhijian 2012-05-29 5/250 2012-11-27 12:28:56 by sunzhiguo
[硕博家园] 求黄瓜子叶扩张法和生根法的具体操作步骤 曾经沧海难 2012-05-29 13/650 2012-05-29 18:11:36 by zhaoweigang
[有机交流] 二酸两侧合成不同的酰胺 ericluocn 2012-05-29 4/200 2012-05-29 22:17:17 by FMKpeptideF
[药学] 微谱求助一个 yyj549 2012-05-28 1/50 2012-05-31 13:11:52 by kaola0916
[分析] 固相微萃取SPME萃取头 xiaozhu2009 2012-05-28 5/250 2015-01-12 21:51:01 by 夏夜微风
[有机交流] 这样的实验结果能发什么sci kun_niu 2012-05-28 9/450 2012-06-02 13:05:29 by tyc198085
[药学] 微谱求助一化合物结构 zhaocaigui 2012-05-27 1/50 2012-05-28 10:18:32 by kaola0916
[药学] 求助微谱数据库查询 heroqe 2012-05-27 1/50 2012-05-28 10:04:37 by kaola0916