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    [热点] 溴的反应液脱色 18232227466 2026-01-19 刚刚
    请问有人用过管式比重计吗? (1/71) luoluo8 2006-12-25 2006-12-25 19:05:12 by bird315
    树脂与塑料 (+2.5) (评阅+1) (8/965) yahoohoo 2006-04-07 2006-12-25 17:38:54 by zmx0202
    [实验技术] 常用的化学文献资源 (+1) (8/589) zsychem 2006-07-20 2006-12-25 16:29:42 by ljw2006
    请问阻燃剂ＫＳＳ的化学成分是什么？ (1/800) sisixi 2006-07-22 2006-12-25 16:25:58 by zfouy
    分享：Conservation Equations and Modeling of Chemical and Biochemical Processes (+3) (评阅+1) (金币≥10)(4/97) youmei401 2006-05-29 2006-12-25 15:22:52 by yinjj
    [求助]如何将1%钛白粉和99%固体丙烯酸树酯，如何均匀分散？(五个金币奖励) (5/322) wxfeijei 2006-09-12 2006-12-24 14:10:39 by nyiy00
    Acid-Base Theory-I(zz) (评阅+1) (1/128) zjt 2006-12-24 2006-12-24 12:42:50 by huyuchem
    求这个化合物的命名？多谢了！ (3/127) aspect3000 2006-12-21 2006-12-23 16:45:20 by aspect3000
    请教:有的人说席夫碱类的配合物很难长单晶，为什么呢？？    ( 1 2 ) (11/880) lbyzym 2006-12-18 2006-12-23 15:30:55 by lbyzym
    权威经典 Bioreaction Engineering principles (Second Edition) 附珍贵资料    ( 1 2 ) (+5) (11/1167) valuk 2006-09-17 2006-12-23 11:36:40 by zhongmingyingzi
    [经验交流] 读博士的困惑    ( 1 2 ) (金币≥5)(10/258) yxsh1125 2006-11-01 2006-12-23 10:14:51 by sjt0569
    aq代表溶液 am代表什么？ (2/132) 铝锂 2006-12-19 2006-12-22 19:06:38 by chemicalsub
    Preliminary Chemical Engineering Plant Design (+2.5) (3/210) vutzisen 2006-09-28 2006-12-22 16:22:21 by sinapdb
    八面体配体取代反应中立体化学变化的问题 (0/47) feixue023031 2006-12-22 2006-12-22 12:04:38 by feixue023031
    真空釜使用遇到的问题 (2/57) yy8011 2006-12-21 2006-12-21 22:00:24 by yy8011
    求助：光化学 (3/168) mumushuang 2006-12-20 2006-12-21 19:05:56 by xiaozw
    怎么分清楚文章作者的名和姓？ (2/102) cometring 2006-12-21 2006-12-21 17:03:30 by protein123
    【EBook】 Chemistry of the Elements    ( 1 2 ) (+9) (评阅+2) (10/1385) crisoo 2006-10-27 2006-12-21 16:14:06 by yuanchang
    均匀设计求助 (1/70) sunchonglu 2006-12-20 2006-12-21 16:00:53 by dawn0675
    Chemistry of Superconductor Materials (+2.25) (3/666) gongxd325 2006-09-15 2006-12-21 14:39:25 by yuanchang
    五言长诗 谈《未来化学学科的发展趋势》[原创] (金币≥30)(1/84) yalefield 2006-12-20 2006-12-21 09:53:52 by huangda
    跪问：二氧化钛纳米管，急！！ (3/352) duanzhenghua 2006-08-23 2006-12-21 09:27:05 by shshen
    中科院2004年的物化笔记 (2/1534) wangyouhe 2006-03-25 2006-12-21 02:38:19 by tommyliu
    [经验交流] 未来化学学科的发展趋势 (+1) (评阅+1) (3/962) zjun 2005-12-27 2006-12-20 17:00:57 by xiaozw
    一个好的化学网站 (1/80) 剑客 2006-12-20 2006-12-20 12:59:36 by zzgyb
    有没有高压试管?? (2/72) aqiu 2006-12-05 2006-12-20 11:54:29 by xqzhang
    实验室安全防护ppt,及安全手册 (评阅+1) (2/687) soar-gyh 2006-09-14 2006-12-20 00:11:31 by sccd
    氯气的漂白 (1/61) liubingsen 2006-12-18 2006-12-19 22:47:47 by wsf1969
    双酰肼化化合物容易溶解在什么溶剂里？ (2/86) xuemin7508 2006-12-17 2006-12-19 20:42:18 by doubledl
    [实验技术] CCDC 1.3安装过程详解及升级包的安装    ( 1 2 3 4 ) (评阅+2) (35/6709) 清风笑我 2006-03-11 2006-12-19 20:03:08 by zdc_2006
    [经验交流] 有机化学牛人的报告 (评阅+1) (4/275) jyf2541 2006-12-05 2006-12-19 14:42:43 by zbluo
    请教硼酸与单糖的反应 (2/99) feifeiyangcc 2006-12-13 2006-12-19 09:07:41 by feifeiyangcc
    【Ebook】The Materials Science of Thin Films    ( 1 2 ) (+8.5) (金币≥10)(12/341) crisoo 2006-05-25 2006-12-19 08:33:39 by dota
    结构化学、量子化学    ( 1 2 ) (+0.5) (19/956) dyfkkk 2006-07-11 2006-12-17 23:19:22 by hang2liang4
    [分享]一个不错的查化合物性质的网点! (评阅+1) (5/319) Frenkie_2001 2006-12-12 2006-12-17 19:51:26 by 冰雨1982
    [经验交流] 如何制取纳米四氧化三铁 (1/125) yaanyunsong 2006-12-10 2006-12-17 12:51:07 by hongjunsh
    【网址推荐】化学资源网站 (评阅+1) (金币≥1)(3/280) fudushao 2006-12-10 2006-12-17 12:25:46 by fudushao
    [经验交流] [原创]如何得到虫子们的帮助？ (评阅+1) (4/215) hanshihhh 2006-12-07 2006-12-17 08:46:20 by berlin
    做实验与理论学习 (5/309) jsy2271 2006-12-10 2006-12-16 14:22:48 by ywwspring
    请教：如何控制酰氯不和亚磷酸反应生成酯？ (2/108) 无极刀 2006-12-12 2006-12-16 10:17:33 by 无极刀
    张青莲先生永远活在我们心中！ (1/768) yalefield 2006-12-15 2006-12-16 00:15:48 by geode
    Nanophysics and Nanotechnology    ( 1 2 ) (+9.75) (评阅+1) (12/1859) cc136520 2006-05-21 2006-12-15 14:38:27 by sinapdb
    【2006年 Springer原版】超分子手性◎合成中的自由基◎分子机器等 五本书籍下载    ( 1 2 ) (+14) (评阅+2) (16/1462) xunyu 2006-08-14 2006-12-14 19:43:45 by tianlong1315
    冰醋酸－浓硫酸介质中含有微量乙醛时是否会变色？ (3/219) 兰陵王 2006-11-09 2006-12-13 20:42:15 by 兰陵王
    [经验交流] 哪些反应中间体不用精制可用做下一步？ (2/111) hanshihhh 2006-12-13 2006-12-13 20:03:10 by aska928
    [实验技术] 请教关于合成中如何实现氮气的保护？ (4/696) jiji1983 2006-12-13 2006-12-13 19:55:21 by aska928
    石腊有几种！ (4/306) brights 2006-12-13 2006-12-13 16:35:51 by brights
    NaH的使用 (2/129) myqd 2006-12-12 2006-12-13 09:53:48 by hanshihhh
    [经验交流] [天然革与人造革的识别 (评阅+1) (5/384) xiaoqi_00 2006-11-09 2006-12-13 03:09:21 by 主救
    请问pH计的使用方法 (3/386) rjl2000 2006-11-30 2006-12-13 01:33:18 by lip
    请教制备卤代烃的问题 (8/487) cainichen 2006-11-22 2006-12-12 20:55:38 by cainichen
    请问 高氯酸的标准摩尔生成焓 (2/78) zsglly 2006-12-11 2006-12-12 10:56:31 by zsglly
    [实验技术] 微波萃取简介 (评阅+1) (3/322) wfang 2006-11-30 2006-12-11 22:57:53 by zhaofei_009
    [经验交流] 过柱子溶剂回收使用经验 (评阅+1) (4/498) xiangrongma2004 2006-12-09 2006-12-11 22:37:54 by 37949124
    桑色素溶液的配制及与铝络合反应相关问题 (2/94) jenifer 2006-11-29 2006-12-11 21:52:27 by jenifer
    [实验技术] 如何鉴定材料中含有石棉 (2/113) zhaofei_009 2006-12-06 2006-12-11 18:57:45 by zhaofei_009
    [经验交流] 不宜做重结晶的溶剂等你来补充    ( 1 2 ) (评阅+1) (金币≥10)(10/198) hanshihhh 2006-11-28 2006-12-11 17:36:25 by hanshihhh
    做希夫碱的同仁么来探讨下吧，我是新人！ (3/140) hxh317 2006-11-27 2006-12-11 16:55:21 by hxh317
    【转】高分子化学术语中英文对照 (评阅+1) (5/1953) zongbin 2006-03-27 2006-12-11 10:37:27 by haq07625
    美国化学会物理化学杂志新分类！ (评阅+2) (2/130) yalefield 2006-11-30 2006-12-11 09:31:07 by yalefield
    腈基变为胺基的条件和方法 (5/696) yuhaijun 2006-12-05 2006-12-10 20:21:23 by newshanyong
    大家有没有知道酯化率怎么算的? (2/158) zcbdml 2006-12-10 2006-12-10 19:04:34 by zeng-lq
    请教硼酸化问题 (2/99) pholed 2006-12-10 2006-12-10 14:35:18 by pholed
    水合肼 (3/153) ::::: 2006-12-07 2006-12-09 20:40:35 by nyiy00
    各大高学校高分子学科专业介绍 (评阅+2) (9/1136) vivafly 2006-03-28 2006-12-09 17:08:17 by hongkun_2003
    聚乙烯基吡啶吸附了硫酸（氢）根？？？ (3/250) 骆驼刺 2006-12-07 2006-12-09 15:43:04 by 骆驼刺
    如何破乳？对于顽固乳化！！！ (4/255) 丫丫栗子 2006-12-06 2006-12-09 14:21:16 by apple999
    [实验技术] 一个从烧瓶壁上刮产物下来的好方法    ( 1 2 ) (评阅+2) (金币≥10)(17/268) ll0103 2006-12-04 2006-12-09 11:29:32 by littlepigtail
    [实验技术] 柱层析的一篇文献    ( 1 2 ) (+3) (评阅+1) (13/929) luanlb 2006-05-14 2006-12-09 00:56:18 by benmd
    [经验交流] 查分子式最简单的方法 (评阅+1) (1/128) xizhouren 2006-12-08 2006-12-08 22:37:31 by WFB1966
    [实验技术] 求助全回流问题！ (5/495) hm2006 2006-11-22 2006-12-08 15:50:09 by 醉乡常客
    [实验技术] 求助:如何控制结晶的大小 (3/510) zhouyantao2005 2006-05-02 2006-12-08 15:47:18 by 醉乡常客
    [经验交流] 氨基酸及肽的好书 (+1) (评阅+1) (5/455) youryanbing 2006-03-02 2006-12-07 22:44:13 by 也星级
    做好化学实验必须看的题 (评阅+1) (金币≥1)(2/217) xujinxia1986121 2006-09-04 2006-12-07 22:19:38 by 也星级
    使用变色龙软件测定检测限和信噪比 (1/1795) deyxy200301321 2006-10-27 2006-12-07 21:55:43 by 也星级
    【EBook】 A guide to IUPAC nomenclature of organic compounds    ( 1 2 ) (+8) (10/673) crisoo 2006-06-23 2006-12-07 15:24:04 by sinapdb
    Inorganic preparations: A laboratory manual (+1.5) (5/387) fhsong 2006-08-16 2006-12-07 06:21:39 by thinkhot
    我收集整理的重结晶等的方法及注意事项 (评阅+1) (1/97) Tibbar 2006-12-07 2006-12-07 00:24:42 by Tibbar
    单线态氧 与氧自由基 (3/2208) qiuzhiman 2006-09-28 2006-12-06 22:49:08 by sccd
    氟化氢铵的解离常数！非常谢谢~~ (2/189) zhengzilai 2006-12-06 2006-12-06 22:42:32 by xx小小xx
    能不能用两种溶剂来萃取后合并进GC/MS？ (4/341) shnzh 2006-12-05 2006-12-06 16:58:00 by shnzh
    为了保证材料形貌不受人为影响,制备过程中需要注意些什么? (3/216) dervish 2006-08-14 2006-12-06 16:56:35 by shijinwen
    [经验交流] 用LiAlH4做还原操作应注意哪些问题？ (2/171) muchuchun 2006-12-05 2006-12-05 22:15:46 by ll0103
    GC分析甲醇、甘油含量的疑难。 (2/82) milanowen 2006-12-05 2006-12-05 21:53:20 by xiazaibaobao
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