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    [热点] 2027博士申请-临床检验诊断学、病原生物学、微生物方向 yyh@ 2026-11-03 刚刚
    [实验技术] 无水AlCl3的提纯 (0/159) xjhuang 2008-04-05 2008-04-05 10:48:24 by xjhuang
    [无机化学] 硝酸根的分解温度 (0/226) chenyu0613 2008-04-05 2008-04-05 10:06:29 by chenyu0613
    [综合其它] 请教:w/w 和wt% 分别是关于质量的怎么个比值关系? (2/371) catalysthua 2008-04-04 2008-04-05 09:20:15 by catalysthua
    [实验技术] ph=4的磷酸缓冲溶液的配制 (2/300) lidandan 2008-03-31 2008-04-05 09:15:13 by lidandan
    求助 旋光的化学符号怎么写? (3/735) jb6181672 2008-04-04 2008-04-05 08:10:05 by userhung
    求助:trialkylsilylium carborane中文意思? (1/111) xjhuang222 2008-04-04 2008-04-05 00:44:03 by chemin
    [综合其它] 化学计量学与化学信息学,发展建设研讨会纪要 (评阅+1) (2/249) yalefield 2008-04-03 2008-04-05 00:01:23 by dnp
    [实验技术] AX2还原剂是有什么组成?? (0/79) chenyu0613 2008-04-04 2008-04-04 22:34:55 by chenyu0613
    [无机化学] 硝酸根离子的除去 (1/182) chenyu0613 2008-04-03 2008-04-04 10:12:03 by yuanzhiqin.119
    [综合其它] 问二溴对甲基偶氮甲磺哪有卖的?? (0/87) iamfengyu 2008-04-03 2008-04-03 23:17:48 by iamfengyu
    [无机化学] 求助硝酸盐的水解或分解温度方面的资料 (0/249) fairyvv0906 2008-04-03 2008-04-03 21:03:17 by fairyvv0906
    [无机化学] 求助《湿法冶金手册 (4/466) alsip 2008-03-29 2008-04-03 18:43:24 by alsip
    [无机化学] 请问六水氯化钴加热到400度之后可能的产物是什么? 1 (1/139) meistz 2008-04-03 2008-04-03 18:37:22 by meistz
    [无机化学] 弱问 (0/152) linsen 2008-04-03 2008-04-03 18:09:05 by linsen
    [物理化学] [求助 化学反应计算 (2/182) janeleeran 2008-04-03 2008-04-03 16:43:39 by janeleeran
    [无机化学] 求助关于氯化亚锡的溶解问题 (3/687) yaofeng210 2008-04-02 2008-04-03 13:04:37 by yaofeng210
    [实验技术] 如何除去2水碘化钠中的水 (0/105) fengjili2004 2008-04-03 2008-04-03 12:36:47 by fengjili2004
    [无机化学] 气体吸附测试? (0/270) gw2005 2008-04-03 2008-04-03 11:57:28 by gw2005
    [无机化学] 求助:关于EDTA所使用的指示剂的问题 (0/484) lyg198404 2008-04-03 2008-04-03 11:52:05 by lyg198404
    [无机化学] 硫代硫酸银分解产物是什么 (1/467) carrieop 2008-04-03 2008-04-03 10:34:48 by carrieop
    [实验技术] 核磁试剂问题 (1/158) 离子液体 2008-03-29 2008-04-03 10:13:14 by phtochemistry
    [实验技术] 请问相对构型的测定方法[求助完成] (1/167) Ryan602 2008-03-30 2008-04-03 10:00:27 by phtochemistry
    [综合其它] 求助,供电子溶剂是指的什么? 2 (1/145) zxs2006good 2008-03-30 2008-04-03 09:56:36 by phtochemistry
    一价铜离子 核外电子排布 (2/456) huanglichun 2008-04-01 2008-04-03 09:53:45 by phtochemistry
    [经验交流] 重要化学网站资源 (评阅+1) (2/234) fengye333 2008-04-01 2008-04-03 08:49:02 by dongchangming
    [物理化学] 物质显色的原因是什么? (4/1014) 心箭 2008-04-01 2008-04-02 21:57:41 by contact_angle
    [物理化学] 请问:水在高温下的粘度计算 (0/116) bjsezcy 2008-04-02 2008-04-02 21:46:56 by bjsezcy
    [综合其它] 求助:怎样计算复杂有机化合物的极性大小? (0/184) summerbreathe 2008-04-02 2008-04-02 21:03:44 by summerbreathe
    [物理化学] [求助] 化学反应方程式的热力学计算 (5/620) xiaoss2000 2008-04-01 2008-04-02 16:13:50 by xiaoss2000
    [综合其它] 请教紫外的问题! (0/108) jzdd99835 2008-04-02 2008-04-02 10:57:04 by jzdd99835
    [实验技术] 请教活化能怎么求? (0/208) yhp1008 2008-04-02 2008-04-02 10:00:00 by yhp1008
    对活性炭理想最大比表面积的思考 (评阅+2) (1/1060) hht666 2008-04-01 2008-04-01 22:54:54 by amorphous
    zz科学杂志排名,Impact Factor 对比 Page Rank,哪个更合理? (评阅+2) (1/219) weihui_cn 2008-04-01 2008-04-01 22:34:46 by house
    [经验交流] 有机化学与无机化学的界限存在吗?——在迷茫中发现科学之美! (评阅+1) (2/666) 孙?�730 2008-03-21 2008-04-01 22:30:54 by montclimber
    [实验技术] 求助 (0/60) you868 2008-04-01 2008-04-01 21:16:37 by you868
    [实验技术] 求助用4A分子筛吸收异丙醇溶液中的水,异丙醇被吸收? (0/130) liuyong2007 2008-04-01 2008-04-01 21:02:59 by liuyong2007
    [无机化学] 请教不同pH值下EDTA的溶解度问题 2 (0/299) jlccer 2008-04-01 2008-04-01 20:08:05 by jlccer
    [无机化学] 请教各位学友一个小问题!! 5 (0/99) luanmayanyi 2008-04-01 2008-04-01 20:02:13 by luanmayanyi
    [无机化学] 请教六氯化钨的保存和称量 (0/839) csqliujia 2008-04-01 2008-04-01 09:06:33 by csqliujia
    [无机化学] 求助 (1/102) zhiwan 2008-04-01 2008-04-01 08:28:24 by ramanlxh
    [实验技术] 请教极性问题 (3/203) cloudsea163 2008-03-31 2008-04-01 08:25:30 by cloudsea163
    [经验交流] 求助化学物质的物理化学性质查询 19 (9/1150) panyb15715 2008-03-17 2008-04-01 07:00:16 by d5515651
    [无机化学] 维生素B12的中心离子是什么? (2/226) 桂子山 2008-03-31 2008-04-01 06:57:30 by d5515651
    [无机化学] 氯化亚锡转化为单质锡 5 (3/443) hujiyong688 2008-03-04 2008-03-31 22:36:47 by montclimber
    [综合其它] 求助(已解决):“N-”为何意? (评阅-3) (2/205) zxs2006good 2008-03-31 2008-03-31 21:20:19 by mouse103
    [经验交流] !!!紧急求助!!!萘在甲苯中的溶解度 (1/151) 高耸入云 2008-03-09 2008-03-31 21:16:19 by maxiangl2007
    [经验交流] [关贴]急求Separation Science and Technology上一篇文献! (0/169) jzdd99835 2008-03-31 2008-03-31 19:42:40 by jzdd99835
    50金币求过渡金属的能级图 (1/259) xiaoxin1982319 2008-03-31 2008-03-31 19:16:10 by xiaoxin1982319
    [实验技术] 请教“原子示踪”技术---有奖问答 (1/113) suoyi598 2008-03-30 2008-03-31 16:26:52 by suoyi598
    [经验交流] 异丙醇的纯化 (0/116) songzb2005 2008-03-31 2008-03-31 14:30:14 by songzb2005
    [实验技术] 正交在实验的应用问题 (1/147) 断了的弦 2008-03-30 2008-03-31 14:30:05 by miyong1981
    [无机化学] 求助:轻质碳酸钙与重质碳酸钙的区别 (3/1041) lynd0917 2008-02-22 2008-03-31 11:12:48 by chujiang2008
    [实验技术] 请教有关XRD的问题! (0/163) xuemin7508 2008-03-31 2008-03-31 11:00:29 by xuemin7508
    [无机化学] 求助:(Co)4(CO)12的红外谱图 (0/99) s605m 2008-03-31 2008-03-31 09:37:01 by s605m
    [经验交流] 请教 浓硝酸加热回流温度应该设定在多少 (1/544) sunnybeast99 2008-03-30 2008-03-31 00:14:55 by heavence007
    [无机化学] 无机保湿材料(急!急!急!) (2/202) 木头608 2007-12-31 2008-03-30 23:18:54 by qwcnbwj
    [经验交流] 投票:  [关贴]有奖调查:到化综版的虫友们来报个到了!    ( 1 2 3 4 5 6 .. 11 ) (评阅+5) (108/5455) catju 2008-03-22 2008-03-30 22:52:26 by catju
    [无机化学] 硫酸氧钒的分解温度和方程式是怎么样的? (3/1026) nee0201010133 2008-03-03 2008-03-30 22:38:10 by qwcnbwj
    [物理化学] 求助:关于色散分量与极性分量的问题 (0/388) mubo 2008-03-30 2008-03-30 20:12:17 by mubo
    中国化学切莫“走偏”(转贴) (评阅+2) (5/438) yexuqing 2008-03-27 2008-03-30 15:59:44 by yangdaoshan
    [实验技术] 请教:过柱 (3/264) 蓝星123 2008-03-19 2008-03-30 14:23:54 by lmlh
    [实验技术] 番茄红素的有关资料,错了!!! (0/132) 学员iXNq3g 2008-03-30 2008-03-30 13:13:22 by 阿里巴巴zwl
    [关贴]关于高氯酸铵的催化分解-求教 (0/179) xinyan20006 2008-03-30 2008-03-30 12:21:25 by xinyan20006
    [实验技术] 关于超声分散,迷茫中 (0/162) jingnancyjing 2008-03-30 2008-03-30 10:09:58 by jingnancyjing
    [综合其它] 请教 (1/106) 离子液体 2008-03-29 2008-03-30 02:04:44 by heavence007
    [综合其它] 缩写 (1/123) 离子液体 2008-03-29 2008-03-29 21:11:24 by wangkj80
    [综合其它] 求助 关于thermodynamic,kinetic 控制 (0/76) dhq1982 2008-03-29 2008-03-29 16:55:36 by dhq1982
    [实验技术] [关贴]求助:搅拌问题... (评阅-1) (1/158) 210jiejie 2008-03-28 2008-03-29 12:54:21 by liujy999
    [实验技术] 诚意征求硫酸亚铁胺的制备方案 (0/82) 王娇娇 2008-03-29 2008-03-29 12:16:04 by 王娇娇
    [经验交流] ENDNOTE中文说明书 (评阅+1) (1/238) lidapengabc 2008-03-27 2008-03-29 10:28:22 by daoister
    [实验技术] Kings Chemistry Survival Guide (评阅+3) (0/125) armea 2008-03-29 2008-03-29 08:32:21 by armea
    [综合其它] 兰氏化学手册(第13版中文版) (+1.75) (评阅+2) (8/1026) ouyizhi 2007-08-13 2008-03-29 04:31:16 by hqmpidan
    [综合其它] 溶剂基础知识 (评阅+4) (2/319) chujiang2008 2008-03-19 2008-03-29 04:22:12 by hqmpidan
    [无机化学] 碘溶于溴水会有什么现象发生?(08年华师大考研题) (2/433) 化学迷 2008-03-28 2008-03-29 01:10:14 by heavence007
    [物理化学] 求助磁力搅拌器-----搅拌问题 (0/148) 210jiejie 2008-03-28 2008-03-28 23:17:27 by 210jiejie
    [实验技术] 求助搅拌问题 (4/240) 210jiejie 2008-03-28 2008-03-28 23:04:07 by 210jiejie
    [经验交流] 求助:想除叶绿素都可以用什么方法(除了用石油醚萃取) (1/209) 小虫虫888 2008-03-23 2008-03-28 20:56:09 by yuanzhiqin.119
    [无机化学] 求助 (0/65) youyouqingquan 2008-03-28 2008-03-28 20:24:47 by youyouqingquan
    [无机化学] 红磷中微量白磷的去除 1 (6/867) rqs1 2008-03-08 2008-03-28 15:55:32 by rqs1
    [无机化学] 画配位化合物立体结构用什么软件 (2/421) chem1983 2007-10-22 2008-03-28 15:46:00 by kjt8065430
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    [综合其它] 推荐《Advanced Organic Chemistry: Reactions Mechanisms Structure》 (10/1327) westyouday 2008-03-05 2008-04-04 11:25:27 by spliulin
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    [综合其它] 共享我的15本化学相关书籍! (22/3419) zjx121610 2007-06-24 2008-04-01 09:40:51 by goldensheep
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    [综合其它] 推荐《Organic Experiments》 (14/607) westyouday 2008-02-23 2008-03-31 19:34:54 by xwj007
    [实验技术] 薄版层析 (1/43) 漂流瓶520 2008-03-31 2008-03-31 19:02:54 by yuanzhiqin.119
    [无机化学] Advances in Inorganic Chemistry, Volume 56 (1/160) armea 2008-03-31 2008-03-31 15:53:45 by kcfreedom001
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    [经验交流] 最新文献Morphology Change of Calcium Carbonate in the Presence of (1/120) wangkj80 2008-03-28 2008-03-29 09:04:19 by wangkj80
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