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    [热点] EST投稿状态问题 那我就选这个 2025-12-22 刚刚
    [实验技术] 噻吩提纯? (5/476) dajuan405 2009-04-18 2009-05-26 10:43:47 by song6612
    [无机化学] 【紧急求助】 使用NIST查阅化合物物理性质的方法 (0/211) greengrass289 2009-05-26 2009-05-26 10:34:07 by greengrass289
    请教考研报考学校问题    ( 1 2 ) (19/1182) 大雄好 2009-05-19 2009-05-26 09:26:12 by jinfeng309
    [经验交流] 请问有无较好的显色反应用于暗记? (0/118) jiesly312 2009-05-26 2009-05-26 08:56:35 by jiesly312
    [实验技术] 一个从烧瓶壁上刮产物下来的好方法    ( 1 2 ) (评阅+1) (18/1267) yong303 2009-03-14 2009-05-26 01:11:56 by sailing2007
    [实验技术] 氢氧化钠标定 (8/642) 虫子739 2009-05-05 2009-05-25 19:05:30 by tanlei2008
    [实验技术] [求助]如何清洗含Fe物质 (4/279) sakuraai 2009-03-26 2009-05-25 17:55:33 by 啸月天狼
    [实验技术] NaHCO3标准溶液标定 (3/222) heimeiu 2009-04-21 2009-05-25 17:46:23 by 啸月天狼
    [实验技术] 氟化钠/氟化铵 (3/407) ayzhang9978 2009-04-23 2009-05-25 17:12:45 by 啸月天狼
    [实验技术] 滴定管的正确使用方法 (评阅+1) (3/720) global.wun 2009-05-15 2009-05-25 17:05:48 by 啸月天狼
    [实验技术] 如何保证酯在高温下不水解 (3/396) lixf08 2008-12-02 2009-05-25 16:57:41 by 啸月天狼
    [实验技术] 液溴的保存 (5/1055) 小拉塔 2009-05-21 2009-05-25 16:46:52 by 啸月天狼
    [综合其它] 求助半胱氨酸类型 (0/143) simplecat 2009-05-25 2009-05-25 15:34:29 by simplecat
    [实验技术] 求助!氯化镍在乙醇中的溶解度 (0/299) anshuzhan001 2009-05-25 2009-05-25 14:48:45 by anshuzhan001
    [实验技术] 30金求助合金中各金属含量的检测(关闭) (6/415) ganguihua1983 2009-05-20 2009-05-25 14:42:49 by song6612
    [实验技术] 来自宝岛台湾的精品资料-吸附层析基本操作 (评阅+2) (金币≥10)(1/76) wangquande 2009-05-23 2009-05-25 14:30:00 by song6612
    [无机化学] 求SiC的详细情况? (0/200) free7760 2009-05-25 2009-05-25 09:45:00 by free7760
    [无机化学] 谁有大学化学(下)傅献彩主编的那本书的课后习题的答案 (0/349) xiaoshuo6006 2009-05-25 2009-05-25 01:28:48 by xiaoshuo6006
    [无机化学] 求助:如何制备苯硼酸盐 (1/109) baoying 2009-05-16 2009-05-24 15:11:18 by renyun
    [物理化学] 求30℃环己烷——乙醇体系的折光率—— 组成 (8/853) 一粟沧海9776 2009-04-11 2009-05-24 10:26:34 by swordfairy
    化工在线词典(英汉、汉英) (8/640) ynxwxac 2008-12-11 2009-05-24 09:17:30 by liuhongmei81
    [综合其它] 化学浴沉积是什么意思 (0/316) nongda308 2009-05-23 2009-05-23 20:46:45 by nongda308
    [综合其它] 求助巯基乙酸甲酯的结构及应用 (0/156) labahuakai 2009-05-23 2009-05-23 17:36:00 by labahuakai
    [物理化学] 聚四氟乙烯乳液(固含量60%)是怎么做的?哪位大侠有配方? (0/244) stred 2009-05-23 2009-05-23 14:47:02 by stred
    [无机化学] 钴氨络合物的合成 (0/292) hustsunboy 2009-05-23 2009-05-23 14:09:03 by hustsunboy
    [经验交流] 色谱技术资源下载网址 (0/873) cboy7989 2009-05-23 2009-05-23 10:00:00 by cboy7989
    [经验交流] Ark Kemi是什么期刊?哪个数据库有收录其文章? (0/208) xll9999 2009-05-22 2009-05-22 20:07:01 by xll9999
    应用化学专业英语 (4/796) yifan9853 2009-05-22 2009-05-22 16:04:39 by yifan9853
    [经验交流] 关于活性炭 硅藻土 (1/224) topjie1801 2009-05-22 2009-05-22 15:18:49 by bannypipi
    [综合其它] 哪位有南京大学编写的无机及分析化学课后习题答案 (1/298) dyj8188 2008-07-06 2009-05-21 17:40:30 by hitlertrees
    [综合其它] 求助:关于胶团反离子结合度 (0/201) jingle1828 2009-05-21 2009-05-21 09:40:13 by jingle1828
    [物理化学] 求能自动测粘度的实验室(中国农业科学院) (0/157) beijingzhou 2009-05-21 2009-05-21 02:56:48 by beijingzhou
    两院院士增选有效候选人名单公布 (评阅+2) (0/253) 骑着蜗牛追火箭 2009-05-20 2009-05-20 22:20:17 by 骑着蜗牛追火箭
    [实验技术] 四丁基高氯酸胺的除去 (0/206) sd282080656 2009-05-20 2009-05-20 21:29:53 by sd282080656
    [综合其它] 求助气体ppm和mg/L的换算 (1/325) swallowll 2009-05-20 2009-05-20 21:16:36 by sailing2007
    [经验交流] 石英管断了,请问用什么粘?? (2/208) lyh123 2009-05-19 2009-05-20 01:34:05 by heavence007
    [无机化学] 有没有像柠檬酸这样的物质 (3/611) guizi 2009-05-13 2009-05-19 23:00:48 by 竹玉箫
    [实验技术] XRD峰的2 theta 左移 (4/412) flyqin 2009-05-05 2009-05-19 22:59:47 by 竹玉箫
    求助正交设计表头 (0/140) hmei.long 2009-05-19 2009-05-19 17:41:53 by hmei.long
    [实验技术] 请教 研磨会破坏分子结构吗 (9/1199) chenxumeng119 2009-05-04 2009-05-18 21:50:45 by 不知道不
    [经验交流] 求 大学本科 化学竞赛题目 (0/210) CKX 2009-05-18 2009-05-18 21:34:38 by CKX
    [物理化学] 这里的极化作用是什么意思 (3/504) shich68 2009-05-17 2009-05-18 17:11:01 by wubaoyi
    光子晶体制备及应用研究领域取得系列进展 (评阅+1) (1/261) bush286 2008-10-09 2009-05-18 12:51:00 by sherry2370
    [物理化学] 请教:查询热力学数据 (0/248) shiweiwar 2009-05-18 2009-05-18 12:12:53 by shiweiwar
    [无机化学] 硫酸镁溶液中如何除钙 (1/300) sunninglei 2009-05-17 2009-05-18 02:24:26 by kmd2005
    [实验技术] 求教!如何清洗沾上三氯化铁的研钵?? (5/687) linian322 2009-03-17 2009-05-17 23:51:22 by 醉乡常客
    [无机化学] 求助硫酸锌的密度对照表 (2/242) tz3696 2009-05-15 2009-05-17 11:41:44 by liubencai
    [实验技术] 【求助】关于Ce(NO3)3溶液的配置 (0/266) xiaochun8199 2009-05-16 2009-05-16 21:46:52 by xiaochun8199
    [物理化学] 谁知道D-甘露醇在纯水中的理论水化数Nh是多少? (0/174) weixilian 2009-05-16 2009-05-16 16:44:30 by weixilian
    [物理化学] 请教wf和wn是什么 (2/401) jipy 2009-05-15 2009-05-16 14:37:00 by swordfairy
    [综合其它] 如何让有机小分子在高分子体系中定向排列呢? (0/203) ytbb1231 2009-05-16 2009-05-16 14:08:21 by ytbb1231
    [无机化学] 硫酸钙的溶解    ( 1 2 ) (10/1013) boatlcz 2009-05-03 2009-05-16 09:54:44 by boatlcz
    [无机化学] 为什么在二甲基亚砜中加入四氯化钛溶液会变为浅绿色? (0/252) sujing1109 2009-05-15 2009-05-15 21:45:57 by sujing1109
    [无机化学] 如何制备醋酸镁 (2/183) shaoyutian 2009-05-15 2009-05-15 19:25:25 by shaoyutian
    [综合其它] 求高人指点!!!!! (0/147) baoying 2009-05-15 2009-05-15 16:51:24 by baoying
    [物理化学] 如何将水难溶性物质从水溶液中快速析出? (5/329) ayixin731 2009-05-14 2009-05-15 16:23:51 by ayixin731
    哪有卖THMD cas 10339-79-4的? (0/143) nannan602 2009-05-15 2009-05-15 15:45:37 by nannan602
    [经验交流] 请教:一个缩合反应问题 (0/181) 吴丙华 2009-05-15 2009-05-15 15:44:06 by 吴丙华
    [经验交流] 求助:甲烷与硫磺反应制取二硫化碳的反应机理 (0/356) loushh 2009-05-15 2009-05-15 13:01:10 by loushh
    [物理化学] 请问同功酶与同工酶是一个概念吗? (1/204) kanghuimin 2009-05-13 2009-05-14 20:14:31 by zhangyanbin858
    [经验交流] 有投过《langmuir》杂志的XDJM过来指点下 (0/228) 柳中袁 2009-05-14 2009-05-14 16:34:24 by 柳中袁
    [物理化学] 请教,介电常数,乙腈和水混合液 (0/193) jhxzcf 2009-05-14 2009-05-14 15:24:20 by jhxzcf
    [综合其它] 一元,二元弱酸PH计算近似问题 (3/731) cxdong96 2009-05-13 2009-05-14 12:40:36 by fanchg
    [无机化学] 求助:什么防毒面具可以很好的防止硫化氢、二氧化硫的吸入 (2/367) chenruoyuan 2009-05-11 2009-05-14 12:06:37 by yehui8075
    有陕师大化学与材料科学学院的虫友吗?寻求帮助 (0/136) 深海孤舟 2009-05-13 2009-05-13 18:52:13 by 深海孤舟
    [无机化学] 溶液的过饱和度 (0/185) liquid 2009-05-13 2009-05-13 18:10:59 by liquid
    [物理化学] 易挥发和饱和蒸气压的关系 (2/669) taianxt 2009-05-12 2009-05-13 14:40:02 by raul
    [综合其它] 求助:有关丙酸松油酯合成文献 (0/96) chenzhs 2009-05-13 2009-05-13 13:11:51 by chenzhs
    溶于dmf 的盐有哪些? (5/1219) allen7932 2009-03-11 2009-05-13 09:23:58 by allen7932
    [物理化学] 一个关于水的网络教材 (0/123) dnazyme 2009-05-13 2009-05-13 02:35:30 by dnazyme
    [实验技术] 请问升温核磁数据如何计算两组分间的转化热力学问题 (0/138) tthe0419 2009-05-12 2009-05-12 21:40:36 by tthe0419
    [无机化学] 求助,搞合成的达人们 (8/554) neauxiaoxue 2009-02-02 2009-05-12 18:35:06 by tjyl
    请大家帮忙推荐一个pH计(酸度计) (6/410) nkblackwolf 2009-04-27 2009-05-12 08:28:11 by 潘丽娟
    [物理化学] 请问如何利用excel规划求解求反应级数    ( 1 2 ) (10/1131) wym196901 2009-03-30 2009-05-10 12:19:28 by liubencai
    [无机化学] 求助:碱液浓度与沸点的关系 (5/1160) yetiannan 2009-05-07 2009-05-09 09:50:58 by xiangdao
    [无机化学] 二价钴在什么溶剂中多以四配位存在?(急) (1/235) qq305 2009-05-08 2009-05-08 22:02:27 by drgong2026
    [物理化学] 求助文献信息 (2/156) dishcaly 2009-05-08 2009-05-08 18:43:38 by liubencai
    [物理化学] 硅离子的去除 (2/297) chaoyue0850 2009-05-07 2009-05-08 08:25:03 by zhangyanbin858
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    [实验技术] 模拟实验室 (6/331) xs.jian 2009-04-12 2009-05-24 18:47:12 by 低色调
    [物理化学] Heterogeneous Catalysis for the Synthetic Chemist (Chemical Industries) (5/582) bio-polymer 2008-08-19 2009-05-23 13:12:51 by taiyang8676
    [无机化学] GB_1864-89颜料颜色的比较 (1/129) A85232990 2009-05-22 2009-05-22 11:53:35 by xbhchina
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    [实验技术] 化学室仪器期间核查细则 (0/405) global.wun 2009-05-18 2009-05-18 16:04:40 by global.wun
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    考研高等数学公式 (1/260) pb189 2009-05-02 2009-05-11 18:25:02 by pbbz189
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    [物理化学] The Chemistry and Technology of Furfural and its Many By-Products (2/169) lihai0910 2008-12-08 2009-05-08 11:29:48 by wangzhi8758
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