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    [热点] 小论文投稿 必上岸168 2025-12-15 刚刚
    [实验技术] 不同温度下常见无机化合物的溶解度(g/100g水) (评阅+1) (3/280) feiyu2008 2006-03-03 2007-05-30 21:52:54 by 小红豆
    [实验技术] 紧急求助:怎样除去HEMA中的阻聚剂对羟基苯甲醚 (2/588) gianthai 2007-05-28 2007-05-30 21:06:48 by juanhe_428
    [经验交流] 实验做多了,嗓子不舒服,大家有什么好方法么? (6/718) arcady 2007-05-30 2007-05-30 21:03:11 by wei_wei_1983
    [经验交流] 大家知道这个期刊怎么查吗? (2/92) guoguoguo 2007-05-30 2007-05-30 19:08:21 by guoguoguo
    [经验交流] 求教-配合物磁性? (2/135) yhz_helu 2007-05-30 2007-05-30 18:08:13 by yhz_helu
    [实验技术] ~{GsVz~}:~{SP9XRRKaH)Sk7<Oc2.07:O3IO/7r<n5DNDOW~} (3/249) ljmmarise 2007-05-25 2007-05-30 17:19:17 by ljmmarise
    [实验技术] 问个关于混合气体收集的问题 (3/350) littleliu 2007-05-23 2007-05-30 16:42:04 by littleliu
    [经验交流] 各种毕业论文写作规范 (金币≥10)(1/67) jasonxmc 2007-05-29 2007-05-29 23:08:34 by qla8008
    [经验交流] 有效数字 (1/137) ustc2000 2007-05-29 2007-05-29 22:30:17 by zjinan
    [实验技术] 几个物质的红外,能否帮忙一下 4 (3/177) Dirac123 2007-05-29 2007-05-29 19:04:12 by yinyuexingguang
    [经验交流] 大家帮我看看这个氢键怎么处理 (3/329) tlmowen09 2007-05-28 2007-05-29 18:10:44 by tanduanming
    [实验技术] 有谁知道哪几种物质反应可以产生无毒气体,产气量要大 (1/63) 不想在做我自己 2007-05-29 2007-05-29 15:14:28 by shiptech
    [实验技术] F143a 车间 (1/51) 韩海英 2007-05-29 2007-05-29 14:24:09 by 韩海英
    [经验交流] 求助一篇Analyst上的文献!很急!!! (6/275) flyzhangli 2007-05-28 2007-05-29 10:48:05 by zilanyu
    [实验技术] 求助:苯基锂的制备与标定方法 (1/224) mxhua 2007-05-27 2007-05-29 00:00:22 by lzh7513
    [实验技术] 布氏漏斗所用的定量滤纸孔径是多大的 (1/430) youjinsong 2007-05-27 2007-05-28 23:57:44 by lzh7513
    [实验技术] 粘糊糊的东西怎么后处理呢? (4/443) mxhua 2007-05-27 2007-05-28 20:38:09 by chemist1982
    [实验技术] 求助:哪位仁兄知道如何除掉石墨吗?急啊 (3/295) wanlb88 2007-05-25 2007-05-28 16:20:16 by fengz
    [经验交流] 推荐一个重结晶的方法吧    ( 1 2 ) (评阅+1) (12/1121) wenhaosun 2007-04-28 2007-05-28 15:52:56 by ping_ko
    [实验技术] 请问有什么比较好买的带氨基的荧光染料? (2/1705) SeaCow 2007-05-23 2007-05-28 14:14:47 by SeaCow
    [实验技术] 急求助正辛酸的比热容! (2/61) janemerry 2007-05-27 2007-05-28 13:58:37 by janemerry
    [版内事务] 投票:  [关贴]【调查】虫子们对论坛管理(化学区)的总体感觉如何? (单选) (2/84) daiqiguang 2007-05-27 2007-05-28 13:09:39 by 小红豆
    [经验交流] 求助一片英文文献 (3/310) tu_xh0804 2007-05-28 2007-05-28 11:31:54 by zhangquee
    [经验交流] 请问-挥发油GC/MS的论文,能不能发SCI杂志?? (1/151) xutao1998cn 2007-05-28 2007-05-28 11:17:57 by sccgy
    [经验交流] 求助:有谁知道在哪里可以买到这本书,谢谢! (3/210) boyyuntao 2007-05-27 2007-05-28 10:12:06 by boyyuntao
    [综合其它] 离子液体 (2/190) chinaduo 2007-05-25 2007-05-27 19:48:45 by janemerry
    [实验技术] 化学前沿资料-与大家分享!    ( 1 2 ) (评阅+1) (18/1618) lovelitingweibo 2006-03-27 2007-05-27 13:20:01 by ml3029
    [物理化学] 重金属体系溶液中单点计算出错问题 (1/79) huilaoshu999 2007-05-27 2007-05-27 09:50:14 by mhbbhm1234
    [实验技术] 如何避免氨基物的氧化 5 (2/102) lynne 2007-05-26 2007-05-26 23:48:47 by lynne
    [实验技术] 萃取时究竟要静置多长时间? (3/2612) SHYBOY小伟 2007-05-25 2007-05-26 20:55:32 by 三生石头
    [经验交流] 实验室用0.5ml超滤管的清洗与保存? (1/146) liufen1419 2007-05-26 2007-05-26 19:07:25 by 心雨无尘
    [经验交流] 在硫代硫酸钠标定中遇到的疑惑 (3/1065) vecust 2007-01-23 2007-05-26 15:49:38 by qinghao108
    [综合其它] 请教为什么橡胶材料通常要硫化交联?SBS树脂不经硫化交联,却可做弹性体? 1 (1/2221) hucongda_3810 2007-05-22 2007-05-26 10:31:30 by fogx
    [实验技术] 求助:关于表面活性剂的问题 (2/132) hzfeng 2007-05-25 2007-05-26 00:23:16 by zhangwengui330
    [实验技术] {请教}配置金属离子的硝酸盐溶液应注意那些方面 2 (1/81) greatfoxer 2007-05-17 2007-05-26 00:21:33 by 59733015
    [经验交流] 56网页改版后,登录账号怎么找不到进邮箱的界面了啊? (3/460) zhoushaoyun2000 2007-05-25 2007-05-25 22:46:31 by 枫叶子2006
    [经验交流] 帮忙翻译一个意见 (1/91) mazy1982 2007-05-25 2007-05-25 20:28:36 by dh2007
    [经验交流] 求助!!!谁能帮我找到这些论文的中文版或是翻译! (1/103) wjy198527 2007-05-25 2007-05-25 20:18:03 by wjw2005
    [实验技术] 求助!用无水乙醇如何配制1000ml的80%乙醇溶液? (9/989) guopan_fuyang 2007-05-17 2007-05-25 19:39:37 by guopan_fuyang
    [综合其它] 一个很急的化学问题,大家快开帮帮忙啊! (3/246) biner 2007-05-25 2007-05-25 17:48:12 by biner
    [实验技术] 有经验的前辈帮我看看这个液相问题吧 (2/103) ygyg58 2007-05-24 2007-05-25 08:09:23 by ygyg58
    [实验技术] 处理d<0.5mm的水银滴 (评阅+2) (2/114) mile 2007-05-24 2007-05-24 22:32:35 by 小红豆
    [实验技术] 展开剂,淋洗剂? (2/141) cainichen 2007-05-24 2007-05-24 22:26:54 by 小红豆
    [综合其它] 二甲基亚砜中怎样调节PH值? (2/380) 哈哈哈20062009 2007-05-24 2007-05-24 22:22:47 by 小红豆
    [经验交流] 实验室小故障处理(转载) (评阅+1) (5/226) wjw2005 2007-05-22 2007-05-24 21:27:41 by han95
    [实验技术] 请教:过柱子问题 (4/398) il701 2007-05-22 2007-05-24 21:01:20 by ffgp1982
    [综合其它] 有谁知道甲基硫酸钠的性质 (2/291) lxqlcz 2007-05-21 2007-05-24 19:59:27 by lzh7513
    [实验技术] 求助:怎么计算一个物质不同压力下的沸点 (5/702) julia0219 2007-05-23 2007-05-24 16:57:09 by julia0219
    [综合其它] 请教:目前生产上做生物柴油最经济的方法是什么 (2/96) happisun 2007-05-23 2007-05-24 16:35:49 by 59733015
    [实验技术] (求助)哪位高人知道pyridinium polyhydrogen fluoride (金币≥2)(1/26) fanchangli123 2007-05-24 2007-05-24 16:07:10 by nikeboy2005
    [经验交流] 有谁有信越,道康宁的有机硅胶粘剂的各种型号的性能资料啊? (1/124) rose11022003 2007-05-22 2007-05-24 16:00:53 by simplesoul
    [综合其它] 求助!乙醇的氧化问题? (1/109) gelei112 2007-05-24 2007-05-24 14:04:06 by luanzhenyu
    [实验技术] 求助:水合肼除水方法 1 (2/176) zsw2003 2007-05-23 2007-05-24 09:13:19 by zsw2003
    [实验技术] DEAE-Sephadex A-25 colum (3/529) 雨竹 2007-05-22 2007-05-24 08:03:31 by 雨竹
    [实验技术] [求助]溴化氢干燥气体的制备方法 (+0.5) (9/905) qianminway 2005-12-02 2007-05-24 07:35:32 by hgx3000
    [经验交流] 实验室常见错误学习版 (评阅+1) (4/265) 雪伦 2007-05-21 2007-05-23 23:40:25 by 小红豆
    [经验交流] 改性沥青混合料施工控制 (评阅+1) (1/131) xiaocai1729 2007-05-23 2007-05-23 23:38:57 by 小红豆
    [经验交流] 请教:如何在highscore中导入pdf2? (1/99) ebing 2007-05-23 2007-05-23 23:14:05 by zjx121610
    [实验技术] 甲基丙烯酸甲脂聚合实验中会不会中毒? (2/144) 哈哈哈20062009 2007-05-16 2007-05-23 22:36:49 by 木子飞
    [综合其它] 7-oxa-bicyclo[4,1,0]heptane 中文名称?? (2/107) shesui 2007-05-23 2007-05-23 19:55:36 by c123d123
    [实验技术] 请教这种物质怎么才能得到啊,过柱 (1/76) cainichen 2007-05-23 2007-05-23 19:11:43 by wingtide
    [实验技术] 混酸溶液的配制 (3/363) tanbaoyu2000 2007-05-21 2007-05-23 16:59:14 by tanbaoyu2000
    [实验技术] 请教一下冷冻干燥方面的专家    ( 1 2 ) (+0.5) (15/2554) chemsynth 2005-11-28 2007-05-23 13:30:39 by seke678
    [经验交流] 重结晶、柱层析技术——个人经验总结    ( 1 2 ) (评阅+1) (15/2136) 学员jsinmM 2006-07-26 2007-05-22 23:22:30 by wuyuanbox2
    [经验交流] 化合物的物理和化学性质 (4/387) nanoalvin 2007-05-22 2007-05-22 23:20:28 by 小红豆
    [实验技术] 哪位大虾有含铬废水处理研究进展(最好是word文档) (1/75) qingting2007 2007-05-20 2007-05-22 21:20:03 by lotuscsx
    [无机化学] 求助--对羟基苯磺酸钠的物理性质? 3 (3/341) fanaili_1981 2007-05-21 2007-05-22 18:36:35 by tu_xh0804
    [经验交流] 最强烈推出:化学类国际核心期刊大全    ( 1 2 ) (+4.25) (评阅+2) (13/1541) popma 2006-01-08 2007-05-22 18:31:41 by 小红豆
    [实验技术] 请教-PCl3和i-Pr2NH反应制i-Pr2N-PCl2? (2/591) cuiqb 2007-05-22 2007-05-22 16:54:23 by pingj
    [综合其它] 大家做一下这里的化学题目 (4/358) 千紫ㄜ恶 2007-05-03 2007-05-22 16:42:15 by pingj
    [实验技术] 前各位高手指导制作PMMA薄膜--急 (3/291) win.9 2007-04-19 2007-05-22 13:57:06 by simplesoul
    [实验技术] 怎么避免蛋白质乳胶化 (1/117) frostmoon 2007-05-21 2007-05-22 13:49:27 by simplesoul
    [实验技术] 0.25%的溴甲酚蓝的水醇溶液怎么配制? (1/253) tanbaoyu2000 2007-05-21 2007-05-21 23:17:53 by zjx121610
    [经验交流] 【共享】首次全国一级学科整体水平评估排名(化学)【已搜索无重复】    ( 1 2 ) (评阅+3) (13/916) flowerstudy 2007-04-15 2007-05-21 22:50:29 by mosikaling
    [实验技术] 请教苄醇的除水问题 (3/217) cuiqb 2007-05-20 2007-05-21 22:25:27 by joymyself2006
    [实验技术] 何谓spin crossover? (1/284) arbing 2007-05-21 2007-05-21 21:25:24 by wjw2005
    [经验交流] 化学实验室中常犯错误 (评阅+2) (4/425) redfoxwenfan 2007-04-05 2007-05-21 19:53:12 by sxm19830516
    [经验交流] 实验室中玻璃仪器使用经验 (3/383) yanch000 2007-04-01 2007-05-21 19:47:06 by sxm19830516
    [实验技术] 利用TLC判断反应进程实例 (4/737) GT. 2007-05-17 2007-05-21 19:36:48 by whbo
    [实验技术] 求助 (尤其学配位化合物的) (0/66) enhuismart 2007-05-21 2007-05-21 16:02:21 by enhuismart
    [经验交流] 谁知道这两个是什么东东? (6/314) enhuismart 2007-05-20 2007-05-21 10:05:51 by enhuismart
    [经验交流] [关贴]SBS改性沥青研究 (0/174) xiaocai1729 2007-05-21 2007-05-21 09:40:51 by xiaocai1729
    [实验技术] 醇酚醚与三氯化铁的显色反应 (0/204) wuhuashuiyue 2007-05-20 2007-05-20 22:55:47 by wuhuashuiyue
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    [实验技术] Chemical Process Safety: Fundamentals with Applications (4/370) 学员2bQ2PZ 2007-05-28 2007-05-30 19:58:57 by todaywbl
    [无机化学] Adv Inorg Chem V59: Template effects and molecular organization (3/284) porphyrin 2007-05-30 2007-05-30 17:37:56 by zch6682003
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    [综合其它] 电子书合集4 (1/105) hexinhua0920 2007-05-27 2007-05-29 13:26:10 by 小红豆
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