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    [热点] 读博 17制药周凯 2025-12-18 刚刚
    求助:请问表面活性剂如何除水 (6/256) liangfuxin 2006-04-07 2006-04-10 21:52:07 by liangfuxin
    [实验技术] 常用溶剂极性表 (评阅+1) (1/292) niexg 2006-04-10 2006-04-10 20:32:45 by crack007
    关于接枝聚合物的问题 (3/370) wjhx216 2006-04-10 2006-04-10 20:25:15 by wjhx216
    [实验技术] 国家化工网图谱数据库 (+1.75) (4/357) jiangchaojie 2006-04-06 2006-04-10 20:23:37 by gtyhlag
    问:PET瓶子能保存苯酚么? (8/592) wj_21cn 2006-03-30 2006-04-10 20:11:46 by zxjian2172003
    能否告诉我这个物质的熔点?已经应助,请给oranged_7加金币 (1/150) Plain 2006-04-10 2006-04-10 19:59:53 by oranged_7
    怎样由DSC数据进行结晶动力学模型分析(非等温的数据) (1/192) asksky0014037 2006-04-10 2006-04-10 19:57:28 by zxjian2172003
    强烈建议:增加一个计算化学! (+3) (4/307) 小红豆 2006-04-10 2006-04-10 19:41:37 by haishenhang
    [经验交流] 高聚物乳液的成分鉴定 (1/270) niexg 2006-04-10 2006-04-10 19:23:58 by songym2008
    求教一个分离问题 (5/308) Plain 2006-04-08 2006-04-10 09:44:06 by jelly
    ca检索方面的问题 (3/412) geode 2006-04-08 2006-04-09 23:23:07 by geode
    请教:石蜡的问题 (5/887) chenlink 2006-04-08 2006-04-09 20:43:03 by houhou413
    请教纳米材料的相关问题 (3/196) zxjian2172003 2006-04-09 2006-04-09 20:25:11 by zxjian2172003
    [实验技术] 请问:二醇的单硅醚问题 (3/322) zhumei 2006-04-05 2006-04-09 19:30:14 by zxjian2172003
    请问现在Strecker反应有多大的发展空间? (+1) (5/502) lusesanyue 2006-02-28 2006-04-09 18:09:58 by lusesanyue
    [实验技术] 求高分子聚合技术方面的相关资料! (7/294) joymyself2006 2006-04-04 2006-04-09 16:27:36 by joymyself2006
    饱和盐溶液相对湿度 (评阅+1) (2/584) liumingfei 2006-04-09 2006-04-09 15:59:21 by crack007
    [实验技术] 一个可以下全文的地方    ( 1 2 ) (+4) (金币≥5)(11/298) 抗枪干革命 2006-03-30 2006-04-09 15:31:10 by joymyself2006
    高手帮助!--请教过柱(胺类物质过不出来) (2/156) yanyongping6 2006-04-09 2006-04-09 12:49:08 by 金鱼藻
    [经验交流] 斯坦福大学化学与化工图书馆 (1/220) lmq288 2006-04-09 2006-04-09 12:14:19 by lmq288
    化学常用前缀和后缀 (+0.5) (1/499) hongchentianxia 2006-04-08 2006-04-09 09:36:11 by iuhgnahz
    请教有关双氧水做氧化剂的问题 (4/494) cainichen 2006-04-08 2006-04-08 21:37:49 by hoc2h2
    求助天然产物番茄红素(lycopene)的有机合成方法    ( 1 2 ) (10/1065) pew007 2006-03-24 2006-04-08 18:47:35 by pew007
    请教:丙酮的测量方法! (3/358) wangyycq 2006-04-07 2006-04-08 17:46:18 by Plain
    20%的蔗糖溶液,浓度时多少mol/L啊? (1/137) hechao 2006-04-08 2006-04-08 17:45:09 by Plain
    我想知道搞有机的有多少还吸烟的 (9/454) yabinli 2006-04-03 2006-04-08 16:05:36 by slamsq007
    如何用金属Pd/C还原双键. 求高人指点! (3/444) cs_bluetooth 2006-04-08 2006-04-08 14:56:51 by bluetooth1981
    ·化学数据库 (+1) (1/111) chemmat 2006-04-08 2006-04-08 11:26:47 by denyuzhi
    提供国内外资源网址 (1/106) lmq288 2006-04-08 2006-04-08 09:10:59 by youyoumoumou
    破坏氢键都有哪些办法?? (3/1395) lucc22 2006-04-06 2006-04-07 23:50:45 by 柳上月梢
    如 何 得 到 分 子 空 间 尺 寸? (1/80) yueyang 2006-04-07 2006-04-07 21:47:56 by zxjian2172003
    请问:mono-amme是什么? (2/87) zhysh 2006-04-07 2006-04-07 18:46:13 by zxjian2172003
    介绍一个"化学数据库 -----谱图数据库"免费的 (1/132) meilixinchou 2006-04-07 2006-04-07 17:55:12 by meilixinchou
    反应后残余DCC的去除 (4/1388) skycnnet 2006-04-07 2006-04-07 16:52:24 by wanghua-chem
    我需要将两苯酐分子联起来,不知用什么方法 (1/74) aesting 2006-04-07 2006-04-07 16:43:51 by wanghua-chem
    [经验交流] 怎么去处器皿里的钛酸正丁酯 (8/461) holerswang 2006-03-07 2006-04-07 16:04:27 by aesting
    [实验技术] 实验(室)中应注意的诸多问题 (3/504) niexg 2006-04-07 2006-04-07 12:43:10 by niexg
    对于固液非均相反应如何提高反应效率? (6/1194) ahaiyou 2006-04-06 2006-04-07 12:36:46 by ahaiyou
    大家怎么查化学物质的物性?    ( 1 2 ) (+1.5) (19/1341) hyz585 2005-12-08 2006-04-07 10:01:13 by zishanbei
    请查熔点 (金币≥5)(2/74) drp1976 2006-04-03 2006-04-07 06:32:46 by lzhiping
    [经验交流] 【转载】化合物纯度的判定 (评阅+1) (2/755) ffjianghui 2006-04-05 2006-04-06 23:07:56 by leungy
    [实验技术] a wonderful website for organic chemistry (+4.5) (6/364) xuedu 2006-04-06 2006-04-06 16:04:18 by shyflysky
    [实验技术] [软件]化学实验室2006软件下载 (+1.5) (8/782) jiangchaojie 2006-03-31 2006-04-06 15:29:19 by pipi皮皮
    建议增加“化工版”    ( 1 2 3 ) (评阅+1) (26/582) cxpzj 2006-03-12 2006-04-06 15:02:22 by wumian2008
    请问谁有详细的旋转蒸发仪安装和使用说明吗? (9/1165) tang19980732 2006-04-03 2006-04-06 14:16:40 by 水妖
    [经验交流] 对化工生产的一点小认识 (评阅+1) (6/609) kuiq_yzu 2006-04-02 2006-04-06 13:56:18 by kuiq_yzu
    关于活性二氧化锰的问题 (3/640) xiaoming_1979 2006-03-15 2006-04-06 13:50:54 by wchfdian
    一般文献上的测旋光度的时候浓度单位是什么啊? (2/240) sunshine1981 2006-04-06 2006-04-06 11:00:05 by pingj
    化工考研 (3/291) qiunenglong 2006-04-05 2006-04-06 09:09:29 by phychemlxd
    (useful and important)21世纪物理化学的发展趋势 (金币≥2)(2/106) ilovejim 2006-04-05 2006-04-06 08:59:15 by yangzhichem
    急救:钙离子直径和氟离子直径 (5/1220) dingding6 2006-04-04 2006-04-06 00:44:19 by dingding6
    C=N双键如何还原?    ( 1 2 ) (12/853) fjysm 2006-04-02 2006-04-05 22:26:01 by fjysm
    求助--混合物中除去溴的方法 (3/277) pipi皮皮 2006-04-04 2006-04-05 17:06:49 by leungy
    [实验技术] 可以免费查到化学品中文msds的地方 (+1) (9/664) jiangchaojie 2006-03-31 2006-04-05 15:50:19 by ffjianghui
    【求助】液相色谱Agilent1100脱气泡 (3/264) shnzh 2006-04-04 2006-04-05 11:47:27 by shnzh
    [经验交流] 化学类期刊全集! (金币≥1)(4/128) 604gq 2006-04-02 2006-04-04 22:08:47 by simonleiji
    [经验交流] 常用化学产品俗名与学名对照表 (评阅+2) (2/821) zeeffe 2006-04-03 2006-04-04 22:07:09 by sjli000616
    有毒化学物质(毒物)在进入体内的过程和危害 (+0.5) (评阅+2) (2/409) zeeffe 2006-04-03 2006-04-04 00:19:40 by davidann
    【推荐】几个不错的化学网站 (评阅+2) (5/1606) canegump 2006-02-26 2006-04-03 10:39:40 by myq20032008
    [经验交流] J Mater Chem 1997-2003免费进入 (3/282) xuyebin 2006-04-02 2006-04-03 10:09:16 by yt1979mail
    【转】实验仪器名称中英文对照表 (评阅+1) (7/568) lanqi 2006-03-26 2006-04-03 08:45:39 by daiyouguo
    基础化学的新前沿领域 (评阅+1) (3/453) bluesun 2006-04-02 2006-04-03 08:35:06 by liubinorg
    请问用苯带水和甲苯带水哪个效果好?温度分别为多少?    ( 1 2 ) (11/1206) joymyself2006 2006-04-01 2006-04-02 21:57:06 by bluesun
    [实验技术] 化学之门----环球化学化工资源导航系统 (+0.5) (2/132) zmchang 2006-03-20 2006-04-02 15:03:24 by huxuelei
    [实验技术] 常用化工产品俗名与学名对照表 (+0.5) (2/332) xiaoming_1979 2006-02-27 2006-04-02 08:38:54 by JUNSHUANGWANG
    建议:收集和整理所有中国学者发表在顶级期刊上的文章 (+1.25) (评阅+1) (8/639) solarcell 2005-11-12 2006-04-01 17:41:28 by liufei00888
    塑料简易鉴别法 (评阅+1) (1/663) jiangchaojie 2006-03-31 2006-04-01 13:51:18 by hongbing
    【转】高分子化学中的几个概念(学高分子材料的过来看看 ) (评阅+1) (4/480) zongbin 2006-03-27 2006-04-01 13:39:38 by figo200066
    用碳酸钾活化活性炭    ( 1 2 ) (12/1818) lgf5588 2006-03-16 2006-03-31 23:10:27 by lgf5588
    [实验技术] 化学好网站 (金币≥2)(2/94) zengyi2000t 2006-03-29 2006-03-31 22:58:50 by miranda78
    [实验技术] 常见有机合成缩写 (+2) (4/243) liyuhao88 2006-03-31 2006-03-31 18:49:38 by youyoumoumou
    如何将二价铁转化成三价的?有什么方便的检测手段? (7/606) heteropoly 2006-03-26 2006-03-31 17:38:37 by slake99
    [实验技术] 【软件】CA_化合物命名 (+2.25) (5/481) jiangchaojie 2006-03-31 2006-03-31 12:45:15 by cqf0402
    5,5二甲基海因溴化到1,3二溴-5,5-二甲基海因的合成路线? (5/356) Plain 2006-03-29 2006-03-30 23:13:47 by Plain
    [实验技术] 常用溶剂的沸点、溶解性和毒性.doc (3/602) zrl0578 2006-03-29 2006-03-30 20:37:35 by zzy365
    [经验交流] 一个免费查资料的数据库 (7/584) Plain 2006-03-29 2006-03-30 18:20:59 by myp1223
    重结晶的方法 (7/1027) ddz 2006-03-16 2006-03-30 14:17:30 by slotus
    [经验交流] 学化工人的一点感想 (1/290) Plain 2006-03-30 2006-03-30 14:02:59 by lot100
    硅酸钠,偏硅酸钠是一个东西吗? (4/787) lzd1982641014 2006-03-25 2006-03-30 13:55:15 by catalyticart
    TLC与层析    ( 1 2 ) (10/824) shnzh 2006-03-27 2006-03-30 12:26:15 by dayongpeng80
    [经验交流] 不错的化学网站http://bjoc.beilstein-journals.org/    ( 1 2 ) (12/869) liuwenzhi1982 2006-03-10 2006-03-30 12:06:23 by sbfan
    求《中草药有效成分撮与分离》徐任生著! (2/95) gengle 2006-03-30 2006-03-30 11:56:25 by hulie
    好多化学工作者必备的数据库,其中还有大量免费的 (评阅+1) (3/491) wangyouhe 2006-03-30 2006-03-30 11:27:19 by eq2003151
    求助:关于活性炭硕士课题 (7/238) yinghe 2006-03-14 2006-03-30 08:22:02 by ycxysh
    [实验技术] 一个很不错的有机物谱图数据库 (6/625) Plain 2006-03-29 2006-03-30 06:50:30 by zhzlx
    美国《化学文摘》中常用词缩写 (+1.5) (评阅+1) (3/846) cepha 2006-02-22 2006-03-29 23:45:47 by yanglianzhan
    有好的溶剂分离离子液与NaCl吗? (6/320) robbiekean 2006-03-28 2006-03-29 16:13:33 by robbiekean
    请教:Na在催化加氢过程中的作用 (5/294) sxuhaitao 2006-03-27 2006-03-29 14:05:08 by yangzhichem
    [经验交流] 有毒化学物质对人体的危害    ( 1 2 ) (+1.75) (评阅+3) (11/1473) wdx2002hx 2005-11-24 2006-03-29 11:03:00 by ming100
    [实验技术] 化合物纯度的鉴定方法,从快速,便宜,简便的要求出发    ( 1 2 ) (+6) (评阅+2) (15/1578) lf822 2005-12-03 2006-03-29 10:37:39 by bingyib
    [实验技术] 如何除去产品中的硅醇? (4/741) twony 2006-03-28 2006-03-29 08:45:43 by xiaoxiaoma001
    塑料的简称与英文名 (评阅+1) (4/646) fyjyuhui 2006-03-28 2006-03-29 02:38:42 by 小菜鸟
    [经验交流] 请大家一起来总结有机合成实验的心得    ( 1 2 ) (+1) (评阅+3) (11/1172) popma 2005-11-22 2006-03-29 00:56:55 by sunliang03
    超强酸的分类 (5/472) xingyulin 2006-03-27 2006-03-29 00:21:14 by tlpippen
    [经验交流] 长期积累是偶然突破的基础 (评阅+4) (7/564) cepha 2006-03-16 2006-03-28 20:49:23 by yangjm204
    请教分液漏斗中碱洗有机溶剂时的乳化问题 (评阅+1) (9/1070) skycnnet 2006-03-28 2006-03-28 20:35:45 by skycnnet
    [经验交流] TLC显色剂的配制 (评阅+1) (3/866) jessen 2006-03-08 2006-03-28 19:28:49 by wang12guan
    [实验技术] 氢焰系统常见故障的判断和检查 (+1) (2/209) cys20041 2005-11-15 2006-03-28 19:16:46 by wwx3324598
    [实验技术] 化学专用数据库 (6/465) wfirst 2006-03-11 2006-03-28 17:06:22 by hongbing
    [经验交流] 免费文摘 (评阅+1) (2/150) shaohuihui 2006-03-19 2006-03-28 11:56:59 by kuhailangyu
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