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    [热点] 之前让一硕士生水了7个发明专利，现在这7个获批发明专利的维护费可从哪儿支出哈？ 瞬息宇宙 2025-12-19 刚刚
    [物理化学] 请教双光子吸收的选律 (0/138) keeperleon 2008-03-28 2008-03-28 13:48:48 by keeperleon
    [物理化学] 疑惑 (0/85) shine180 2008-03-28 2008-03-28 10:51:03 by shine180
    几个不期刊所属数据库求助 (0/65) chenyimin_2008 2008-03-28 2008-03-28 10:06:46 by chenyimin_2008
    求助：Decharacterized Sodium Sulfite是什么？ (0/71) fjysm 2008-03-27 2008-03-27 21:55:48 by fjysm
    [综合其它] PMN-PT 弛豫铁电粉体的溶胶-凝胶法制备及其性质 (评阅+1) (0/101) zhg_zhang 2008-03-27 2008-03-27 20:50:02 by zhg_zhang
    [无机化学] 求助：溶解问题 (3/299) hxxcyb 2008-03-26 2008-03-27 20:41:07 by yuanzhiqin.119
    [实验技术] 制备色谱的几个问题 (0/316) montclimber 2008-03-27 2008-03-27 19:43:28 by montclimber
    [经验交流] 求助关于生物碱的问题 10 (1/95) ningqiu2001 2008-03-07 2008-03-27 19:40:45 by montclimber
    K. C. Nicolaou---天然产物合成大师 (评阅+1) (1/163) xiaomarklsy 2008-03-22 2008-03-27 19:26:55 by montclimber
    [无机化学] 悬赏5金币求助碘化亚铜的制备(谢谢，请问一下有没有用Na2SO3,做还原剂的) (1/246) ZHFK127414 2008-03-27 2008-03-27 17:53:10 by jlzhou
    [无机化学] 问个问题，有没有钼的某种存在形式 (1/120) geoffreysong 2008-02-26 2008-03-27 16:08:27 by hifitrain
    [无机化学] 铁能还原三价的锑的吗 (1/83) dd070126 2007-12-13 2008-03-27 16:05:46 by hifitrain
    [无机化学] 求助硫酸钡的分解温度和反应方程式 (1/526) 徐云龙1982 2008-02-28 2008-03-27 16:03:38 by hifitrain
    [物理化学] 吉布斯自由能计算求助 (2/194) haili 2008-03-26 2008-03-27 11:08:41 by haili
    色谱常见的缩写（中英文对照） (评阅+2) (0/458) hanguang627 2008-03-27 2008-03-27 10:36:13 by hanguang627
    [实验技术] 氨基钠 (3/138) mountainsong 2008-03-26 2008-03-27 10:16:05 by catju
    [物理化学] 【请教】热力学数据手册数据哪个更权威 (0/191) sdwalker 2008-03-26 2008-03-26 22:28:08 by sdwalker
    56邮箱即将离我们而去 (2/238) nnly 2008-03-25 2008-03-26 21:58:28 by 磺基水杨酸980
    [无机化学] [求助]关于Fe（2价）与Fe（3价）的转化 (1/80) nannanmingming 2008-03-25 2008-03-26 17:43:49 by hxxcyb
    [经验交流] [求助]如何在低于50℃进行醇酸的酯化反应 (1/129) Chemigirl 2008-03-26 2008-03-26 17:25:58 by yanxiangm
    [实验技术] 请教这几种acetone都有什么区别呀？ (3/296) robustcon 2008-03-25 2008-03-26 16:28:37 by zhongs701
    草醋液的相关资料 (0/70) missyou69 2008-03-26 2008-03-26 15:06:18 by missyou69
    [综合其它] 请教醋酸-醋酸按缓冲液配法？ (0/55) wuqingzheng0394 2008-03-26 2008-03-26 15:03:08 by wuqingzheng0394
    [物理化学] 关于标准状况的问题 (1/81) mplateau 2008-03-25 2008-03-25 16:29:51 by 玉树金虫
    [实验技术] 大豆甙元衍生物分离问题 (3/145) flygh0206 2008-03-24 2008-03-25 14:51:47 by flygh0206
    [无机化学] 求助β-二酮和铜盐络合的条件 (0/58) 求知509 2008-03-25 2008-03-25 14:49:27 by 求知509
    [实验技术] 『请教』如何标定冰醋酸-二甲苯溶液的浓度？ (0/220) taigudiao 2008-03-25 2008-03-25 10:29:46 by taigudiao
    [实验技术] 请教（SO3·吡啶）的制备方法 (1/86) 然也欣欣 2008-03-16 2008-03-25 09:39:05 by 然也欣欣
    [无机化学] 求助：关于化合物的溶解 (0/80) jerryaini 2008-03-24 2008-03-24 22:19:39 by jerryaini
    [实验技术] 请教：芬顿试剂中的铁离子指的是硫酸亚铁还是硫酸亚铁铵的？ (3/629) catalysthua 2008-03-24 2008-03-24 20:33:54 by catalysthua
    [经验交流] U型管压力计的刻度问题 (0/142) tianya031 2008-03-24 2008-03-24 14:36:21 by tianya031
    澳大利亚工程院院士、影响世界50华人之一逯高清教授 (评阅+1) (2/337) xiaomarklsy 2008-03-23 2008-03-24 07:51:10 by clai
    求助：请问乙酸酐的外标签上写的是什么？谢谢！！ (1/74) funkyjane 2008-03-23 2008-03-23 22:53:50 by heavence007
    [实验技术] 请问堆肥（有机肥）中的 腐殖酸，胡敏酸，富里酸的测定实验方法 3 (0/428) fxiang1012 2008-03-23 2008-03-23 17:37:40 by fxiang1012
    [综合其它] 请教 HP（羟丙基）-γ-CD分子量？ (4/311) wuqingzheng0394 2008-03-21 2008-03-23 17:13:25 by yuzhan
    [实验技术] 请问金属检测方法 (3/220) k9906 2008-02-25 2008-03-23 16:01:53 by silentfish
    [实验技术] 请教一下下面几种溶剂的给电子能力 (1/95) kevlar557 2008-02-19 2008-03-23 16:00:14 by silentfish
    [实验技术] 请问：萃取，吸附，离子交换的工作原理？ (1/87) 409409 2008-02-29 2008-03-23 15:56:01 by silentfish
    求助一个很实用的网站 (1/94) chenyimin_2008 2008-03-23 2008-03-23 12:12:33 by weihui_cn
    [关贴]投票:逐鹿2008国家自然科学奖 -- 化学学科组 (2/151) weihui_cn 2008-03-23 2008-03-23 10:22:56 by weihui_cn
    [经验交流] 重蒸氯仿 (0/389) shi01587 2008-03-23 2008-03-23 09:48:39 by shi01587
    [综合其它] 求助一个反应机理 4 (0/77) dongchangming 2008-03-23 2008-03-23 08:46:48 by dongchangming
    [无机化学] 求助：溶液的配制 (2/83) jerryaini 2008-03-20 2008-03-22 23:53:11 by jerryaini
    分子大小如何查询？ 30 (4/591) daiqiguang 2008-03-19 2008-03-22 23:12:30 by xjz816
    [无机化学] 求助（送20金） (评阅-2) (3/298) 路边人 2008-03-17 2008-03-22 21:56:16 by yuanzhiqin.119
    [无机化学] 分子轨道是小d2p2,sp2d怎么回事啊？ (3/487) 350321785 2008-03-19 2008-03-22 21:55:26 by yuanzhiqin.119
    [无机化学] 高氯酸铕的结晶水个数是多少 (0/64) xiaxinle 2008-03-22 2008-03-22 20:43:01 by xiaxinle
    [综合其它] 有研究光化学的吗？ (0/73) liuruijiexmc 2008-03-22 2008-03-22 16:18:39 by liuruijiexmc
    未来25大环境威胁 纳米技术居首 (评阅+1) (0/103) xiaomarklsy 2008-03-22 2008-03-22 15:53:06 by xiaomarklsy
    世界著名化学家简介连载3 (金币≥10)(0/40) fjnutiantian 2008-03-22 2008-03-22 15:19:48 by fjnutiantian
    [实验技术] 求草酸镍和草酸锰的溶度积 (3/674) wgl2005 2008-03-21 2008-03-22 15:17:28 by wgl2005
    [物理化学] 如何证明磺酸根的亲水性比羧酸根强？ (1/1711) blackhawkpfs 2008-03-20 2008-03-22 13:53:17 by ninggang009
    [无机化学] 求助：请帮忙推荐发光专家    ( 1 2 ) (10/459) nv110108 2008-03-19 2008-03-22 11:01:37 by nv110108
    [实验技术] 请教过柱!出现相交叉的严重问题～急 3 (2/110) jiayou13 2008-03-12 2008-03-21 23:44:30 by abcme910
    [综合其它] 有机溶剂中表面活性剂的选择 (1/133) charley86577 2008-03-21 2008-03-21 21:10:38 by aiyuanzh
    [综合其它] NANOSTRUCTURED MATERIALS FOR SOLAR ENERGY CONVERSION (评阅+3) (1/163) catju 2008-03-21 2008-03-21 20:17:16 by mogu2007
    [实验技术] 求教:溶液的配制方法 (5/389) yuanyuan040601 2008-03-19 2008-03-21 20:04:29 by yuanyuan040601
    [实验技术] 求助：如何设置实验？ (1/93) 温海燕 2008-03-12 2008-03-21 20:02:13 by liesishi
    [实验技术] 求助：哪位达人知道Avercap怎么用？ (1/68) chenzhuoyao 2008-03-13 2008-03-21 19:42:09 by liesishi
    [物理化学] 介绍有关物理吸附的书籍 (1/155) 宝音巴图 2008-03-17 2008-03-21 19:36:29 by catju
    [经验交流] 比重 (0/57) nuochi 2008-03-21 2008-03-21 16:15:56 by nuochi
    [物理化学] 求助关于溶致液晶相图的文章（最新的！！） (0/103) wuzhiyan0219 2008-03-21 2008-03-21 16:07:23 by wuzhiyan0219
    求助：鉴定消光粉。 (0/228) hwjlcw 2008-03-21 2008-03-21 14:46:58 by hwjlcw
    [综合其它] 化学式中的下标ad是什么意思 (7/2750) wanggang2050 2008-03-20 2008-03-21 08:21:48 by fjysm
    [物理化学] 请问如何查找相关溶液的常压是水饱和蒸气压 (2/157) firstage 2008-03-19 2008-03-20 21:56:25 by firstage
    [无机化学] 请大家推荐本收集无机化学反应的英文手册吧 (0/81) abingchem 2008-03-20 2008-03-20 19:56:14 by abingchem
    [无机化学] 支持筹建“无机化学”板块的虫子快进来留言啊~~~    ( 1 2 3 4 5 6 .. 7 ) (评阅+5) (69/1475) lingzi326 2007-04-06 2008-03-20 19:53:49 by abingchem
    [综合其它] 求助!2,4二羰基苯丁酸乙酯 (0/51) yuyao1311 2008-03-20 2008-03-20 19:21:55 by yuyao1311
    [无机化学] 分子结构求助？ (2/82) 350321785 2008-03-19 2008-03-20 10:12:42 by wangkj80
    [综合其它] 请教 (4/98) wuqingzheng0394 2008-03-19 2008-03-20 09:56:20 by wuqingzheng0394
    [实验技术] 求教：SERS单分子加强实验的问题 (1/85) vinvin521 2008-03-19 2008-03-20 01:24:18 by vinvin521
    [经验交流] 求助：购买小型陶瓷挤制成型机 (0/64) ghbhi 2008-03-19 2008-03-19 23:50:41 by ghbhi
    [实验技术] 哪里可以做气体吸附 (1/82) zjinan 2008-03-14 2008-03-19 23:34:58 by silvermoontitan
    [无机化学] 求助 (0/45) yinping403 2008-03-19 2008-03-19 22:45:31 by yinping403
    [综合其它] 急问蓝黑墨水写的字可以用哪种有机溶剂擦掉啊？ (1/590) biology-jlu 2008-03-19 2008-03-19 22:42:14 by zjinan
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