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  • [热点] 2024 - Atropisomerism in Asymmetric Organic Synthesis asymmsyn 2026-02-06 刚刚
    证实这个反应能否发生? (3/244) 王均伟 2009-07-16 2009-07-16 16:18:43 by qiaolge
    求两篇Food Additives & Contaminants中的文献 (1/122) kooky 2009-06-11 2009-07-16 15:43:15 by sunweihua520
    一个投资理财方面的计算题    ( 1 2 ) (15/371) njyyy 2009-06-03 2009-07-16 15:43:09 by ustcrat
    求助 (2/120) 蔷薇物语 2009-06-11 2009-07-16 15:43:05 by 蔷薇物语
    怎样恢复“我的文档”中的乱码文件(截至日期6.15)    ( 1 2 ) (11/323) wwweeerrr 2009-06-11 2009-07-16 15:43:01 by wwweeerrr
    药品求助 (4/249) 雅克梅林 2009-06-12 2009-07-16 15:42:56 by 2007420906
    求vc++中 产生【0,1】均匀分布的随机数的原程序 (7/236) yangxiquan1 2009-06-11 2009-07-16 15:42:52 by yangxiquan1
    请帮忙解释这张红外 (5/251) yanjie1368 2009-06-06 2009-07-16 15:41:47 by yanjie1368
    【交流】100BB 求动图 一张,见多识广的进来吧!    ( 1 2 3 4 ) (36/964) lijianghua2007 2009-06-14 2009-07-16 15:41:43 by 小溪噢噢
    可溶性淀粉的分子量和气相色谱相关问题 谢谢 (3/231) shanjun 2009-06-14 2009-07-16 15:41:38 by shanjun
    [关贴]有两篇文章的翻译 (6/179) legg 2009-06-12 2009-07-16 15:41:30 by legg
    涂料的耐黄变测定方法 (3/208) sunyichong 2009-06-15 2009-07-16 15:41:25 by 279841836
    投票:  [关贴]晒晒你的工资(有奖投票)500金币    ( 1 2 3 4 5 6 .. 89 ) (885/34548) sanko211 2009-05-30 2009-07-16 15:41:21 by huoshan8608
    [求购] 氯甲酸对甲基苄酯 (3/199) bhz_2001 2009-06-08 2009-07-16 15:41:17 by bhz_2001
    今年的注会考试 (8/304) shiningx 2009-06-12 2009-07-16 15:41:13 by ustcrat
    求助命名!感谢! (8/274) yiyunlai 2009-06-16 2009-07-16 15:41:07 by yiyunlai
    为侄子(姓夏)求名(50金币)~那个帖子设置错误    ( 1 2 3 4 5 6 .. 8 ) (77/1401) cindyXia 2009-06-08 2009-07-16 15:41:03 by cindyXia
    【求助】请教关于病毒蛋白分析方面的两个问题 (3/172) orgchem563 2009-06-16 2009-07-16 15:40:59 by jiangdehua
    用溶胶凝胶制备SnO2纳米颗粒 (3/264) 唐小梅 2009-06-15 2009-07-16 15:40:53 by 唐小梅
    溶剂怎么除去    ( 1 2 ) (15/423) zhaoyun156 2009-06-18 2009-07-16 15:40:48 by fenglei6288
    悬赏100金币帮忙拟合XPS,详情见帖子。(6月6日止)    ( 1 2 3 4 ) (34/648) whuyy 2009-06-04 2009-07-16 15:40:42 by whuyy
    应该用什么软件测网速比较权威?实验条件是什么?    ( 1 2 ) (12/287) jmw 2009-06-17 2009-07-16 15:40:37 by jmw
    给侯姓女孩求名    ( 1 2 3 4 5 ) (47/1018) houdongliang 2009-06-03 2009-07-16 15:40:26 by ychh521
    【求助】200金币求助书籍一本    ( 1 2 3 ) (23/599) xiaolingwei2007 2009-06-18 2009-07-16 15:40:22 by zhanghu563
    【表白诗求助已完结】麻烦斑竹删贴    ( 1 2 ) (10/519) 数数然 2009-06-20 2009-07-16 15:40:18 by liuronglin
    [电脑知识] 高价求中国高等学校教学资源网帐号一个    ( 1 2 ) (15/484) wellspringli 2009-02-13 2009-07-16 15:40:13 by txl9705
    [学术实验] 请高手帮忙 (4/196) menghefeng 2009-02-14 2009-07-16 15:40:07 by 120101405
    [互联网络] [求助]有篇文章请帮我查查是不是被SCI检索    ( 1 2 ) (14/312) truewz 2009-02-14 2009-07-16 15:40:03 by zy830226
    [生活百科] 【有效期至2009年1月10日】法律问题求助,自行车撞坏逆行的电动,对方要求赔合理吗?    ( 1 2 ) (12/346) johnmy 2009-01-09 2009-07-16 15:39:58 by johnmy
    [电脑知识] 台式机硬盘分区    ( 1 2 ) (17/430) fangyi_weng 2009-02-12 2009-07-16 15:39:54 by fangyi_weng
    [学术实验] 聚乙烯电缆料无卤阻燃 (8/319) zhay 2009-02-11 2009-07-16 15:39:49 by nhhuang1223
    求助翻译信件(截至2009年2月14日上午10点) (7/273) iilife 2009-02-13 2009-07-16 15:39:39 by iilife
    谁帮我解下这个高中语法题,谢谢[2009-2-14] (6/291) chemtechma 2009-02-13 2009-07-16 15:39:29 by iilife
    【求助】上海哪儿有LCR(数字电桥)?金币求之 (6/214) nano-man 2009-02-13 2009-07-16 15:39:24 by nano-man
    [学术实验] 求助关于DS-157,158的问题? (评阅+2) (2/136) dapeng_njust 2009-02-11 2009-07-16 15:39:12 by zhhl2981
    重金求红外达人帮翻译一篇文献, (5/232) yinxiaoming817 2009-06-07 2009-07-16 15:31:54 by heyping
    求助 乙酰氧肟酸HPLC测定的流动相 (5/269) 1208430121821 2009-07-15 2009-07-16 12:38:52 by 1208430121821
    关于力学实验中引伸计的问题 (7/255) sczscz18 2009-07-15 2009-07-16 11:03:20 by sczscz18
    请问这个页面,是如何查到的? (7/273) 七彩光 2009-07-16 2009-07-16 11:03:11 by 七彩光
    求助:一篇医药类外文文献 (4/201) 小草5559 2009-07-15 2009-07-16 10:53:20 by lilei8610
    求助:水处理年会致词 (5/165) wangxueli1983 2009-07-15 2009-07-16 09:25:22 by kahniu
    帮忙找一篇古诗词的鉴赏或赏析,回答满意者送金币6个 (8/315) zhy0427 2009-07-14 2009-07-16 09:11:24 by zhy0427
    酶活测定的方法,算法 (6/320) meimei2009 2009-07-15 2009-07-16 09:08:41 by huang1987
    电脑显示器总是自动调整,怎么回事 (4/602) yukejxq 2009-07-15 2009-07-16 08:42:04 by wxq_
    海绵的MSDS (2/138) star_rensheng 2009-07-15 2009-07-16 08:36:27 by wxq_
    关于NADPH (4/227) mengniya20 2009-07-15 2009-07-16 08:35:55 by wxq_
    关于用大孔树脂对重要浸膏进行分离的问题? (3/243) 风飘古今 2009-07-15 2009-07-16 08:32:42 by wxq_
    急用TB10008-2006铁路电力设计规范,哪位能给提供一下?谢谢 (3/142) wxf0304 2009-07-15 2009-07-15 19:43:07 by wxf0304
    向大家请教显脉香茶菜的分离方法!!!! (2/138) yaoguangka 2009-07-14 2009-07-15 18:34:57 by yaoguangka
    新疆地区银行汇款需要身份证吗? (金币≥1)(9/67) kingspringm 2009-07-12 2009-07-15 17:45:04 by zjzty1998
    求助!!Simulink 时变参数传递函数 (3/296) chenhao420 2009-07-13 2009-07-15 17:43:54 by zjzty1998
    有谁知道磷酸氨脂键 (1/83) soberht 2009-07-15 2009-07-15 17:01:08 by 一碗水端平
    有用水热实验 做zno的么 前驱物一般用什么 谢谢 (2/189) dashan_612 2009-02-18 2009-07-15 15:57:50 by 疼瑛巧
    企业分布图制作 (4/185) sion2008 2009-07-13 2009-07-15 14:36:09 by andloani
    请大家帮忙推荐一个杂志吧 (7/359) anxin307 2009-07-15 2009-07-15 12:06:02 by orgwangge
    环氧树脂浇注工艺 (2/178) jwb4612 2009-07-14 2009-07-15 10:50:05 by jwb4612
    求助文献 (3/185) linfan 2009-07-14 2009-07-15 10:23:00 by linfan
    耐高温碱液的胶有什么 (2/125) phoebusliu 2009-07-15 2009-07-15 09:39:49 by lovelychee
    电子转移系数? (4/273) llp1026 2009-07-13 2009-07-15 09:27:04 by lovelychee
    关于达沃斯论坛的专业资料 (1/87) yuanyuan628 2009-07-14 2009-07-15 09:27:03 by wxq_
    求助:EndnoteX3全文下载问题 (1/253) ruixin 2009-07-15 2009-07-15 09:25:49 by wxq_
    求文献全文 (3/217) yao7601 2009-07-13 2009-07-14 23:48:23 by yao7601
    求助 测定AA/AMPS共聚物分子量的方法,金币多多! (8/242) jingguo 2009-07-10 2009-07-14 18:21:26 by jingguo
    求购一本书《这样的女人会来事会赚钱 》 (5/290) brights 2009-07-12 2009-07-14 17:46:29 by brights
    求助锂离子电池电解液方面的书 (7/247) qiuyf-2007 2009-07-12 2009-07-14 17:03:05 by dfq0730
    怎样除去反应物里过量的吡咯 (6/448) lijilong83 2009-06-03 2009-07-14 16:38:46 by ywm2007
    求教:磁性纳米材料阻隔温度高有什么优缺点? (4/217) ahulws 2009-07-12 2009-07-14 16:38:41 by 王一755
    上海沪西的DHL-A电脑恒流泵的使用 (4/244) sndxy 2009-03-17 2009-07-14 16:38:09 by soilkiller
    关于退浆酶的相关信息 (3/213) zdo82 2009-07-14 2009-07-14 16:37:55 by xuebuqiao
    求助关于罗丹明的结构、性质 (7/353) zhujinkun 2009-07-13 2009-07-14 16:35:55 by zhujinkun
    急求作图软件 (5/177) liusha80167 2009-07-14 2009-07-14 16:35:44 by dfq0730
    CO2气提法制尿素的设备、阀门、仪表有多少可以国产化 (2/131) mithradet 2009-07-14 2009-07-14 16:35:38 by mithradet
    关于卤仿反应    ( 1 2 ) (11/509) catalyst7699 2009-02-14 2009-07-14 16:34:58 by ringbo
    求塑料测试标准一书的电子版 (4/217) zouqliang 2009-07-08 2009-07-14 16:33:43 by dfq0730
    大家帮忙搜一个试剂盒(要国外的) (金币≥50)(4/39) summer0419xmc 2009-07-09 2009-07-14 08:33:27 by xujinsheng
    求助 有关环己烯醇的质谱问题 (6/258) song_hnu 2009-07-09 2009-07-14 07:17:58 by song_hnu
    烟草方面标准求助!!急需!! (3/237) huyuanfei 2009-07-12 2009-07-14 06:41:05 by zhengjun1981
    怎么做个正四面体图出来 (8/432) liugaoling 2009-07-13 2009-07-14 00:25:50 by liugaoling
    卤代烃与亚硝酸钠反应,生成的是硝基化合物么? (8/284) viviya刺猬 2009-07-10 2009-07-14 00:23:19 by zhanglm8158
    过氧酸与次氯酸    ( 1 2 ) (11/338) jql1314 2009-07-07 2009-07-13 21:57:33 by lovelychee
    怎么样在CHI760B电化学软件上直接求循环伏安曲线的面积 (3/289) hfyxf 2009-07-11 2009-07-13 21:57:22 by hfyxf
    求几本中英对照小说 (8/285) zhaozheng522 2009-07-13 2009-07-13 21:24:06 by wxq_
    医疗器械临床评估报告样本(CE标准) (1/222) zzpsh.2008 2009-07-13 2009-07-13 21:23:24 by wxq_
    求习题教学或例题教学调查问卷! (2/166) yuchanjuan 2009-07-13 2009-07-13 21:22:42 by wxq_
    何时索要单行本? 有效期到25日 (1/116) shaohaibin 2009-07-13 2009-07-13 21:22:01 by wxq_
    相图中结线怎样连接 (2/191) laopolaopo 2009-07-13 2009-07-13 21:11:37 by wxq_
    有机制备仪 (4/187) land791 2009-07-13 2009-07-13 20:51:35 by wxq_
    撒金币求检测方法 (6/263) 王欣荣 2009-07-13 2009-07-13 20:37:51 by wxq_
    求战略管理方面的综合解析题答案 (1/97) zhaoyang6650 2009-07-12 2009-07-13 20:06:50 by zhaoyang6650
    薄膜松紧边检测 (4/186) yangyasheng 2009-07-04 2009-07-13 18:48:26 by dinglw99
    薄膜材料做器敏和光电导测试的时候 电极怎么做 (5/303) dashan_612 2009-06-29 2009-07-13 18:47:05 by dinglw99
    请问几种分子的尺寸 (3/204) jql1314 2009-07-13 2009-07-13 17:08:45 by lijz013
    就想发篇中文的文章毕业(化学类),请教有经验的高手指导一下!    ( 1 2 ) (16/409) chenxi0381 2009-07-10 2009-07-13 15:21:02 by 黄学军
    求助:如何脱甲氧乙基 (5/216) C8H8O8 2009-07-09 2009-07-13 14:27:17 by liujunhero
    最后用什么最简单的办法能把含酰氯基的固体分离出来,而且不含杂质 (8/302) linyrain 2009-07-07 2009-07-13 13:08:33 by asif-lily
    亚磷酸二甲酯与氢氧化钠 (5/358) jql1314 2009-07-09 2009-07-13 12:55:51 by asif-lily
    【100金币】朋友想出售桦树,我联系什么公司? (4/190) 静水8078 2009-07-10 2009-07-13 12:25:30 by SP_spark
    求助甲基二乙醇胺(MDEA)[截止日期2009年7月11日] (3/193) 陈春玉 2009-07-11 2009-07-13 09:01:38 by 陈春玉
    急求氮15测量前处理中烘干的问题!!!【有效期至2009年7月14日】】 (2/166) marine2005 2009-07-12 2009-07-12 22:07:38 by csuliu3976
    有关生物数学方面的论文的发表 (2/136) 十三个西瓜 2009-07-12 2009-07-12 21:36:36 by xiang-h-b
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