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    [热点] 投稿返修后收到这样的回复，还有希望吗 Araveing 2025-12-20 刚刚
    [无机化学] 7N和15N的氨水怎么配 (4/357) gumingxin812 2008-05-07 2008-05-18 15:19:35 by fenglianxiang
    [综合其它] 急切求助！ (3/120) lzting0217 2008-05-14 2008-05-18 15:17:45 by fenglianxiang
    [经验交流] 工艺优化 (2/169) 210jiejie 2008-05-15 2008-05-18 15:13:23 by fenglianxiang
    [物理化学] 两亲分子的计算问题 (0/79) 猪也能飞 2008-05-18 2008-05-18 11:11:13 by 猪也能飞
    [无机化学] 中科院大连化物所分子反应动力学研究获进展 (评阅+1) (0/210) huanglijian 2008-05-18 2008-05-18 10:58:57 by huanglijian
    [实验技术] 【求助】 二甲基亚砜的纯化方法 3 (1/177) ecust405 2008-05-18 2008-05-18 10:39:33 by dhq1982
    [物理化学] 请问挥发性与蒸汽压的关系 (2/297) figofairy 2008-05-17 2008-05-18 02:57:41 by 醉乡常客
    [无机化学] 在哪里能查到水合离子半径 (2/303) tianliyan 2008-05-16 2008-05-17 20:39:46 by tianliyan
    [实验技术] 请教：制备绝对无水乙醇（5金币酬谢）    ( 1 2 ) (评阅-5) (10/1001) 蓝星123 2008-03-13 2008-05-17 16:05:12 by fanchunqiang
    [物理化学] 【请教】铟或者磷的什么化合物是蓝色的呢？ (0/55) anyupenglilin 2008-05-17 2008-05-17 12:00:54 by anyupenglilin
    [物理化学] 怎样用Langmiur和Freundlich来拟合吸附数据（问题已经解决） 20 (1/219) crazyff12345 2008-05-16 2008-05-16 16:16:31 by xjz816
    [无机化学] 请教离子交换树脂在水中的解离问题 2 (1/122) vigaryang 2008-05-16 2008-05-16 14:30:44 by l379989165
    [综合其它] [求助]1，4-二氧杂环乙烷 （1,4-dioxane）的溶剂半径为多少 2 (0/103) lmxue 2008-05-15 2008-05-15 18:40:54 by lmxue
    [经验交流] 稀土复盐以及焦磷酸钍 (0/87) dcscd 2008-05-15 2008-05-15 11:50:01 by dcscd
    [物理化学] 求助物质的沸点 (金币≥10)(1/20) 猪也能飞 2008-05-14 2008-05-15 01:57:06 by 醉乡常客
    急求助： 1,3,5-三叔丁基苯急需2mg左右 ,测手性柱死时间用 (0/159) JJEELLYY 2008-05-14 2008-05-14 21:34:53 by JJEELLYY
    [实验技术] 求教一个有机凝胶的问题 (1/239) renwolai 2008-05-14 2008-05-14 18:49:42 by il701
    求助puc18表达问题 (0/98) matthau 2008-05-14 2008-05-14 16:25:54 by matthau
    [经验交流] 北化所复试科目 (0/138) 不得不说 2008-05-14 2008-05-14 16:23:52 by 不得不说
    [综合其它] 求书：化工原理(下册) (5/407) cirke 2008-05-04 2008-05-14 12:04:50 by cirke
    [经验交流] 咨询：羟基自由基的氧化还原电位与pH的关系 (0/2305) hyliuyue 2008-05-13 2008-05-13 15:48:43 by hyliuyue
    [实验技术] 【求助】关于银盐法测定砷的实验重复性的困惑 (1/163) bloodroses 2008-05-13 2008-05-13 15:06:43 by bloodroses
    [物理化学] 求助: 物理化学理论或者实验教学录象. (1/137) luvase 2008-05-13 2008-05-13 12:24:31 by weihui_cn
    [无机化学] 中空微玻璃球？？ (0/127) 手心 2008-05-13 2008-05-13 11:40:18 by 手心
    [实验技术] 溶解度曲线表 (0/148) dcscd 2008-05-13 2008-05-13 10:23:53 by dcscd
    [物理化学] 求助 spin on galss的知识 (1/88) 桃山 2008-05-09 2008-05-13 10:12:35 by 桃山
    [实验技术] 请教硼氢化钠还原酯而不还原算的问题 (0/124) fqx661246 2008-05-13 2008-05-13 10:04:22 by fqx661246
    [经验交流] 有关化学共沉淀法 (2/157) gugunalu 2008-05-08 2008-05-13 08:39:07 by jiamaolee
    [实验技术] 请教XRD标准卡片中的图谱等级 (3/493) pigdavid 2008-05-12 2008-05-13 08:15:32 by zhijie
    [综合其它] 咨询《化学时刊》 (1/111) 零缺陷 2008-05-12 2008-05-12 21:26:37 by smxywqd
    [无机化学] 关于锡的问题 (0/94) fengfan84 2008-05-12 2008-05-12 20:51:02 by fengfan84
    [物理化学] 请教：苯酚饱和蒸汽压与温度的关系 10 (0/978) chenxi27461194 2008-05-12 2008-05-12 17:05:47 by chenxi27461194
    [无机化学] 需要多少温度 (0/100) hahajingwlwg 2008-05-12 2008-05-12 10:10:34 by hahajingwlwg
    [实验技术] 四因素三水平的正交实验的方差分析 5 (6/662) lifulan2008 2008-05-11 2008-05-12 09:27:35 by fanshuanxi2008
    [无机化学] 急求不常见电极半反应还原电位数据 (0/90) zczylzy 2008-05-12 2008-05-12 08:48:03 by zczylzy
    [无机化学] 苯环的电子云密度降低，其骨架振动是增强还是减弱？ (评阅-5) (4/561) flyzhangli 2008-05-10 2008-05-12 05:28:17 by huyf
    [无机化学] 做配合物怎么控制阴离子配位？ (2/152) bignoodle 2008-05-11 2008-05-11 23:47:03 by pauldli
    [综合其它] 求教准确翻译英文化学式名称的方法 10 (3/396) novemjunne 2008-05-05 2008-05-11 16:27:02 by 老牛得草
    [物理化学] 请问各位大侠在哪查各种物质的表面能，谢谢！！ (0/94) wang+rui 2008-05-11 2008-05-11 14:58:37 by wang+rui
    [物理化学] 20金币，求购《物理化学简明教程》课件 (金币≥2)(0/89) wolongqishi 2008-05-11 2008-05-11 14:30:24 by wolongqishi
    [实验技术] 求助TG-DTA仪器高手 2 (1/216) rfwu02 2008-05-08 2008-05-11 14:11:42 by jiangpingyue
    二氧化碳变汽油 “绿色”能否“自由” (评阅+1) (3/501) catju 2008-05-06 2008-05-10 17:08:44 by ninggang009
    [综合其它] 求助一个化合物结构式的命名！ (3/271) wxp262 2008-05-07 2008-05-10 09:26:06 by pengbo00032901
    [实验技术] 聚四氟乙烯过滤膜？ (1/159) xiaoaige 2008-05-06 2008-05-10 00:41:35 by pengbo00032901
    [经验交流] 相转移催化剂 (5/477) 离子液体 2008-04-06 2008-05-09 22:11:06 by hubuchem
    求助 氯化钯分析纯含氯化把是多少 (2/108) 学员HVLs1D 2008-05-09 2008-05-09 18:05:42 by yinhy
    [无机化学] 氢氧化镍的分解温度是多少啊？？、 (2/968) 手心 2008-04-28 2008-05-09 17:08:10 by 手心
    [物理化学] 减压时沸点怎么计算？ 1 (4/479) 流星1983 2008-04-22 2008-05-09 15:49:26 by tangwj
    [物理化学] 诺贝尔化学奖2007：固体表面的物理化学 (评阅+1) (2/414) drunkdream 2008-03-27 2008-05-09 14:11:10 by tangwj
    [实验技术] 求助：急需WYJ-1102-i明书 (3/139) yhmrd 2008-05-07 2008-05-09 12:50:28 by yhmrd
    【求助】寻找离子交换树脂的学习资料 (1/114) 小壹 2008-05-08 2008-05-09 12:49:21 by 小壹
    [物理化学] 求助：分子光谱课件 (1/147) kewei09 2008-03-05 2008-05-09 11:50:06 by smallpeak
    [综合其它] two symmetry independent molecules是什么样的两个分子？ 10 (3/506) sillyfish 2008-05-04 2008-05-09 07:04:36 by Justsoso
    世界“第二天才”霍夫曼逝世 曾发明迷幻药zz (评阅+1) (5/548) weihui_cn 2008-05-01 2008-05-09 04:08:22 by pedant28
    [实验技术] 求助 氨水的作用 (评阅-3) (4/360) czk131420slm 2008-04-30 2008-05-09 04:04:35 by pedant28
    [无机化学] 高锰酸钾的溶解度曲线 8 (2/425) 1986asdf 2008-05-08 2008-05-09 03:29:44 by pedant28
    [经验交流] 化学主要期刊及所属数据库 (1/512) bearbearjj 2008-05-08 2008-05-09 03:28:54 by pedant28
    [实验技术] 询问：糖显色剂 (0/155) greendream7037 2008-05-08 2008-05-08 23:21:24 by greendream7037
    [实验技术] 求助？ (0/58) greendream7037 2008-05-08 2008-05-08 23:15:16 by greendream7037
    [实验技术] 求助：比活性和放化纯度两个概念 1 (4/732) wap925 2008-05-08 2008-05-08 22:15:02 by wf207
    [无机化学] 求助大虾！ (0/78) mlsue 2008-05-08 2008-05-08 14:46:04 by mlsue
    [实验技术] 请教关于氯甲基化方面的问题 (3/416) cbfcpriu 2008-05-04 2008-05-08 12:58:24 by sosoyan878
    [无机化学] ［请教］亚磷酸铬是否为不溶物？ (0/83) xuhongfighting 2008-05-07 2008-05-07 23:50:57 by xuhongfighting
    [无机化学] 大虾们，急救！ (0/106) cjflove 2008-05-07 2008-05-07 23:01:31 by cjflove
    [实验技术] 水热法造晶体的几个问题？ (0/178) wwt1806 2008-05-07 2008-05-07 20:46:39 by wwt1806
    请教关于学术会议中墙报和口头报告的问题 (1/516) zhang2001my 2008-05-07 2008-05-07 15:55:40 by catju
    请教 镍测定法 1 (0/71) zisess 2008-05-07 2008-05-07 15:21:59 by zisess
    [综合其它] 求助 (0/68) sundongmei 2008-05-07 2008-05-07 14:11:53 by sundongmei
    [综合其它] 油田化学品 (0/222) 荞麦 2008-05-07 2008-05-07 11:45:55 by 荞麦
    [综合其它] Amino Group Chemistry: From Synthesis to the Life Sciences (1/192) hsying 2008-05-07 2008-05-07 09:57:24 by wwjjdd
    [版内事务] 请问虫虫们，怎样才能增加我的流量呢？ (2/111) 亮亮豆 2008-05-03 2008-05-07 09:25:14 by catju
    [实验技术] 求教：杂多糖气质连用全甲基化的方法 5 (0/223) wjg5118 2008-05-07 2008-05-07 08:58:48 by wjg5118
    [经验交流] 二氯甲烷与水难分离的原因 (5/782) miping 2008-03-30 2008-05-06 21:22:33 by chenweihuanliu
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