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    [热点] 2024 - Chemistry and Pharmacology of Drug Discovery asymmsyn 2026-01-19 刚刚
    分离吡啶 (2/235) chenxa1981 2007-01-10 2007-01-11 22:07:24 by chenxa1981
    怎么判断最后是W/O还是O/W啊？ (4/559) daijianf 2007-01-04 2007-01-11 20:13:12 by 冷箭飘香
    关于溴化问题 (2/159) wuhuajiang 2007-01-09 2007-01-11 14:48:54 by bupropion
    请教去掉聚合物中二氧化硅的方法 (5/1044) njut_luzhen 2006-12-25 2007-01-11 13:10:30 by njut_luzhen
    请问谁知道磺酸基交换树脂的价格？ (2/165) wjwen888 2007-01-10 2007-01-11 12:22:50 by zhj170135
    请问哪位高人知道聚醋酸乙烯酯+乙酸乙酯在什么条件下能发生交联？ 急问！谢谢！！ (2/278) wangliangln 2007-01-10 2007-01-11 10:48:26 by wangliangln
    化学与创新二 (评阅+1) (1/92) young406 2007-01-10 2007-01-10 16:39:30 by yalefield
    真空恒重 (1/232) wolfmanhd 2007-01-10 2007-01-10 12:28:54 by zhangwengui330
    [实验技术] 请教高人：手性助剂的解脱    ( 1 2 ) (10/405) 我不想这样4006 2007-01-06 2007-01-10 09:04:31 by 我不想这样4006
    重结晶过程中析出太快，大部分经常留在滤纸上，有啥好方法？谢谢各位 (9/1135) jiangxuan2004 2006-11-07 2007-01-09 11:29:42 by hanshihhh
    [实验技术] 什么是流动床反应器和固定床反应器？ (2/748) tritiger 2007-01-09 2007-01-09 09:14:56 by yishengaihui
    关二氧化钛    ( 1 2 ) (11/616) sipei 2007-01-04 2007-01-08 20:21:22 by sipei
    脂肪酸甲酯中加入硫酸后变色的原因? (3/576) vecust 2007-01-08 2007-01-08 19:48:23 by lclong799
    除去吡啶中的少量水(小于0.1%)该怎么办 (8/999) yanxin 2006-12-21 2007-01-08 19:20:40 by happy_dong2006
    请教：LiBH4 和NaBH4 的反应活性区别 (2/161) 我不想这样4006 2007-01-08 2007-01-08 18:28:44 by silver2
    [经验交流] 【求助】原子吸收:对照为何比空白吸收度还低? (4/176) jinyixiao 2006-12-08 2007-01-08 18:02:26 by xiangzuosui
    求助KOH处理 (5/495) carangle 2007-01-07 2007-01-08 14:07:40 by xx小小xx
    浓度及浓度单位换算－简单但常用 (评阅+1) (5/2146) zengh 2006-07-01 2007-01-08 12:29:40 by qsk2006
    [经验交流] 几种玻碳电极的打磨方式 (评阅+1) (1/225) tyr 2007-01-05 2007-01-08 00:00:06 by magicpopo
    [经验交流] 硝化反应参考3例 (1/143) sky8623 2007-01-07 2007-01-07 22:55:04 by huyuchem
    Ebook Exchange Program (Share One Get Two) (+1) (金币≥10)(5/583) Metalcarbene 2006-06-30 2007-01-07 19:22:50 by zhusiwei1984
    仲醇氧化 (2/201) xj200122003 2007-01-06 2007-01-07 10:24:19 by berlin
    求助 透析膜可否透析掉金属离子? (3/366) seawind163 2006-12-27 2007-01-07 08:48:41 by protein123
    如何配置指示剂？求助各为兄弟姐妹们！ (1/64) flying_23 2007-01-06 2007-01-07 00:25:49 by xx小小xx
    求助：有关分子轨道 (4/316) 小不忍则乱大谋 2007-01-05 2007-01-06 22:41:50 by huyuchem
    回收四氢呋喃 (1/68) xj200122003 2007-01-06 2007-01-06 20:45:04 by qianfp
    请问哪里可以购买少量活性炭？ (2/115) 张宝 2006-12-31 2007-01-06 20:06:17 by hoc2h2
    如何除去水中还有的甲醇、乙醇、丙醇等小分子有机物？    ( 1 2 ) (+1) (15/1852) hyliuyue 2006-10-19 2007-01-06 19:20:27 by chemistlee
    慎重选择是否读化学及相关专业的博士 (9/453) littlestone2006 2007-01-02 2007-01-06 15:56:59 by duzhongtian
    转：国家级化学精品课程地址。    ( 1 2 ) (+5.5) (评阅+2) (11/1218) 我心飞翔 2006-03-22 2007-01-06 08:31:27 by cyshnu
    [经验交流] 怎么自己制备硝酸钯啊？ (1/81) youyoutime 2007-01-05 2007-01-05 19:21:34 by 脂质体
    一份极有价值的试题附带答案    ( 1 2 ) (12/611) zqlu2000 2006-04-05 2007-01-05 15:34:37 by lintianyi
    如何制备四丁基醋酸铵 (1/275) yinlingling 2007-01-04 2007-01-04 22:14:07 by changt114
    谁教我如何做标准的mol2文件？ (1/39) aspect3000 2007-01-04 2007-01-04 21:11:03 by yalefield
    请教：熔点后面有试剂的名称是什么意思？ (6/644) ukandy 2007-01-02 2007-01-04 17:59:02 by ukandy
    如何除去乙醇中的氢氧化钠    ( 1 2 ) (11/1035) shihaihui 2006-12-25 2007-01-04 12:57:23 by mtangle
    [实验技术] AUTOCAD经验集 (评阅+2) (4/372) liuvictor 2006-05-12 2007-01-04 12:22:39 by yalefield
    硝酸铁的检测方法 (2/56) yjs3180009 2007-01-03 2007-01-04 11:18:07 by xx小小xx
    请教单质碘的提纯工艺 (2/91) farming 2007-01-04 2007-01-04 10:42:12 by wjmed
    Metal Dihydrogen and sigma-Bond Complexes - Structure, Theory, and Reactivity (+8) (评阅+1) (8/518) Reuben 2006-03-23 2007-01-03 19:13:19 by ariso
    除化合物的结晶水 (4/548) yinlingling 2006-12-25 2007-01-03 15:56:37 by magicpopo
    求[X，H]，X，H分别为坐标算符和Hamilton算符 (5/474) nbxdw 2006-12-31 2007-01-03 15:37:46 by magicpopo
    请问communication和文章有什么区别？ (3/545) joymyself2006 2007-01-03 2007-01-03 14:32:49 by eric622822
    [实验技术] 化学实验室评估排名    ( 1 2 3 ) (+1) (23/2837) hanjianwei 2006-09-01 2007-01-03 10:49:10 by yhb123549
    手套箱 (4/475) zcch 2006-12-06 2007-01-03 10:46:25 by zcch
    请教:氢氟酸刻蚀二氧化硅的浓度? (7/1477) njut_luzhen 2006-12-30 2007-01-03 10:34:21 by njut_luzhen
    教训：处理回流溶剂的瓶子一定要小心！ (8/612) yelegend 2006-12-23 2007-01-03 09:54:02 by zhsp920
    怎么测二氧化硅溶胶中的硅含量 (1/73) yhp1008 2007-01-01 2007-01-02 23:13:04 by xx小小xx
    请教：单质Na的测定 (5/377) xx小小xx 2006-10-18 2007-01-02 22:56:20 by xx小小xx
    R-OH反应为R-OTs能在DMF里做吗？ (4/642) ukandy 2006-12-21 2007-01-02 22:37:17 by ukandy
    请教能否用溶剂共沸带出生成少量的乙酸甲酯或乙酯 (2/52) bingwang 2007-01-01 2007-01-02 21:51:36 by bingwang
    关于十六异氰酸酯 (1/41) chenxa1981 2007-01-02 2007-01-02 19:51:12 by wl163
    [求教]硼氢化钠还原后不用酸中和能直接蒸馏吗? (4/402) Frenkie_2001 2007-01-01 2007-01-02 19:44:30 by musiceast
    [经验交流] 催化剂：从实验室到工业化的流程是怎样的？ (评阅+1) (4/478) zilch325 2006-12-29 2007-01-01 22:06:35 by zilch325
    有谁知道锂的纯度分析方法吗？ (3/256) chairman国家 2006-11-07 2007-01-01 16:45:02 by magicpopo
    [实验技术] 液相方法的建立步骤 (评阅+2) (2/877) xuewwchen37002 2007-01-01 2007-01-01 16:01:07 by youyoumoumou
    我要学理论化学！大家给点意见    ( 1 2 ) (10/649) coolrainbow 2006-11-21 2007-01-01 14:09:14 by chow锋
    [实验技术] 聚乙烯醇PVA的使用 (评阅+1) (6/1258) dreamchinaster 2006-03-30 2007-01-01 11:32:20 by zzsskk
    急求乳状液相关的好的书目 (2/60) mzhua19820429 2006-12-18 2006-12-31 21:21:13 by mzhua19820429
    LDA增长碳链反应的后处理问题 (2/109) hanshihhh 2006-12-20 2006-12-31 15:40:49 by hanshihhh
    [经验交流] 做过模板电沉积制备纳米阵列的虫子请进 (2/91) haichongwll 2006-12-22 2006-12-31 10:45:57 by haichongwll
    再来问问化学版的专家们？ (3/195) jiesly312 2006-12-29 2006-12-31 10:15:09 by jiesly312
    求助酯水解的问题！ (3/300) xiazaibaobao 2006-12-21 2006-12-30 19:56:21 by jinqingxian
    纳米材料的制备 (6/356) qiyuan9876 2006-11-11 2006-12-30 19:21:45 by qiu123
    怎么才能找到这篇文献？ (1/60) 新研楼 2006-12-30 2006-12-30 13:41:28 by generalsky
    请教如何在免二氧化碳的情况下过滤 (6/434) deep_bluesea 2006-12-13 2006-12-30 01:09:20 by bianshuangtian
    [实验技术] 乳化现象 (4/235) inkfish8701 2006-11-10 2006-12-29 16:20:08 by yjjy2006
    红外图谱 (5/480) ::::: 2006-12-21 2006-12-29 12:31:34 by ale_82
    请问:做NOE对样品的要求? (1/284) myqd 2006-12-25 2006-12-29 11:18:34 by duruo
    请教高人　卤代烃的显色问题！ (7/1150) nkymdream 2006-12-27 2006-12-29 10:08:28 by 我不想这样4006
    求CAS号全库（只要号和物质名） (2/93) vechov 2006-12-26 2006-12-27 08:26:07 by vechov
    [经验交流] 麻省理工实验室手册 (评阅+1) (金币≥20)(6/118) dajian313 2006-11-19 2006-12-27 00:27:01 by Hewei
    化学药品使用安全手册（看了不后悔啊） (评阅+1) (4/622) hymer 2006-07-01 2006-12-27 00:11:05 by jacklu
    求助：甲苯的不同温度下的饱和蒸汽压 (1/58) 欣欣月飞扬 2006-12-26 2006-12-26 22:26:53 by lwl913
    请教：找一种检测水溶液中La3＋的浓度的简易方法 (2/37) helenhao 2006-11-24 2006-12-26 21:42:31 by windtakea
    Diethyl phosphonate指的是什么物质？ (2/437) sanjiang 2006-12-25 2006-12-26 12:36:02 by zhangquee
    [实验技术] 格式试剂在溶液中存在的形式 (1/71) jwjwyp 2006-12-25 2006-12-26 10:31:05 by hanshihhh
    回流碱性物质磨口涂凡士林问题 (4/519) 内贾德 2006-12-25 2006-12-26 10:06:51 by 内贾德
    强酸处理碳纳米管之后，如何分离？ (2/127) chenpoly 2006-12-25 2006-12-26 02:02:43 by magicpopo
    DMAc 除水？ (5/1102) zhuyizhong 2006-12-22 2006-12-25 22:53:27 by zhuyizhong
    关于液液萃取    ( 1 2 ) (11/1064) rjl2000 2006-11-08 2006-12-25 21:54:11 by rjl2000
    求助：上Cbz时产生的苄醇如何除去？ (5/1293) 邋遢小道士 2006-11-28 2006-12-25 21:41:05 by 邋遢小道士
    酒精脱水 (4/558) wsf1969 2006-12-19 2006-12-25 20:30:28 by wsf1969
    资源 [ 查看全部 ] 作者 最后发表
    [经验交流] 化学品剖析简论 (3/497) celan 2007-01-06 2007-01-11 19:20:28 by tanduanming
    我们是如何去除层析柱硅胶的！ (5/759) dymomocha 2006-11-11 2007-01-09 14:23:01 by fiona453
    叠氮化合物的危险性 (10/1310) asymmetry 2006-11-29 2007-01-08 20:05:00 by 吴琴雪
    [实验技术] Heck 反应在药物合成中的应用 (2/254) jinqingxian 2007-01-01 2007-01-07 10:18:50 by cqwfeng
    The Chemistry of Sulphonic Acids, Esters and Their Derivatives (14/347) sinapdb 2006-12-25 2007-01-03 17:57:50 by rain_chen82
    Douglas Erwin, Industrial Chemical Process Design (5/301) vutzisen 2007-01-02 2007-01-03 07:17:33 by zch6682003
    Research and Development Management in the Chemical and Pharmaceutical Industry (11/454) vutzisen 2006-12-31 2007-01-03 00:33:17 by supersearcher
    Visions of the Future: Chemistry and Life Science (12/606) vutzisen 2006-12-30 2007-01-02 19:00:20 by iritium77
    [实验技术] 吲哚及其衍生物的催化合成 (1/158) jinqingxian 2007-01-01 2007-01-02 11:33:07 by jinqingxian
    新型液体纳米分散染料开发研究-可行性报告 (1/209) Catalysts 2006-12-31 2007-01-02 09:00:21 by yqfx
    Analytical Methods for Drinking Water (4/618) vutzisen 2006-12-31 2007-01-01 13:30:06 by yinjj
    Opportunities in Chemistry Careers (9/343) vutzisen 2006-12-24 2006-12-28 08:36:57 by 张宝
    wiley02）Handbook of Chemical and Environmental Engineering Calculations (6/676) vutzisen 2006-12-24 2006-12-27 11:14:38 by lqf7758521
    【CRC 强书】Handbook of Photosynthesis (26/1351) crisoo 2006-12-20 2006-12-27 01:41:25 by loriy
    Progress in Inorganic Chemistry, Volume 51 (9/377) hjhw9513 2006-11-25 2006-12-26 21:49:33 by singjiapo88666
    [经验交流] 学化学的要研究化学史，贡献各位《20世纪的化学史〉 (2/665) mh266666 2006-11-26 2006-12-26 21:38:31 by bire
    Chemical Process Safety Learning from Case Histories 3rd edition (6/142) ypwang 2006-12-21 2006-12-26 15:09:59 by 明月飞光
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