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[热点] 有没有人能给点建议 深蓝的天空 2026-01-18 刚刚
查找最新学术讲座内容的途径? 2 (2/72) shiwp1016 2008-03-22 2008-03-23 20:47:20 by shiwp1016
普通酿酒(白酒)工艺能生产酒精吗? 1 (9/195) 天涯共此时896 2008-03-23 2008-03-23 20:45:34 by fdwllq
木马清除大师2008注册码 20 (5/194) wmwman306 2008-03-23 2008-03-23 19:05:56 by wmwman306
求教酞氰铜的分子式,它的活性基团是怎么跟气体结合的? 7 (1/203) 虚心者 2008-03-23 2008-03-23 18:36:34 by shootyou25
求助浙江大学土木工程系结构工程导师!!! 2 (1/111) liucheng200883 2008-03-22 2008-03-23 17:08:55 by 末日骑士
求excel 实战技巧精粹全文 (9/240) willmyth 2008-03-20 2008-03-23 16:18:59 by 梅婷jj
求丙酮-水二元体系相对挥发度?(急用) 4 (4/296) di2006 2008-03-23 2008-03-23 15:30:45 by likai0711
请问对碘苯胺能够制作格氏试剂吗 30 (6/143) yinlingling7839 2008-03-23 2008-03-23 14:35:43 by northlander
两个问题,关于钨酸 (1/113) chenyang.co 2008-03-20 2008-03-23 14:25:31 by jiacc1230
需要各位大哥大姐帮忙解决研一新生的投稿问题 4 (4/158) lliumei912 2008-03-16 2008-03-23 14:21:29 by ayumi106
求助盐酸在 紫外区有吸收吗    ( 1 2 ) (13/1983) sunyujie 2008-03-20 2008-03-23 13:41:38 by mm8153
注射用CoA 求助 (3/253) cohnii 2008-03-23 2008-03-23 11:39:18 by lsed
哪里有HMG-CoA还原酶可以买 8 (1/92) 塞外飞鸿 2008-03-23 2008-03-23 11:35:43 by cydu2007
20个金币求助北京哪有超临界萃取装置 (3/103) tengkun999 2008-03-23 2008-03-23 11:30:08 by cydu2007
哪位虫虫大侠会用PROE绘制球形齿轮。 (3/189) renfangshu 2008-03-23 2008-03-23 11:01:02 by mingziyang
求一个化学课件?(过期关闭,谢谢各位)    ( 1 2 ) 23 (11/274) seekerboy 2008-03-14 2008-03-23 10:38:34 by amisking
求助:购买本本 (8/215) jjwang8001 2008-03-22 2008-03-23 09:48:48 by lguang11
求助两种物质的溶解溶剂    ( 1 2 ) 100 (13/302) wcqwl 2008-03-14 2008-03-23 09:45:35 by coki2008xmu
电脑蓝屏wwin32k.sys, 请求帮忙。 1 (3/122) wanshidaji 2008-03-23 2008-03-23 09:41:27 by duxuan
任务管理器出问题了 (5/121) chemsci 2008-03-23 2008-03-23 09:32:58 by chemsci
60金币求 陈姓女孩名,含有土和火    ( 1 2 3 4 5 6 .. 9 ) 28 (83/2544) mailpzf 2008-02-27 2008-03-22 22:54:02 by dryfish
请大家帮忙选个学校和导师(完) 100 (5/233) guoguo831101 2008-03-13 2008-03-22 22:41:39 by ljxiaoyu
请问小宝宝出生五行缺什么?(完毕) 3 (5/150) coufc 2008-03-22 2008-03-22 22:12:51 by coufc
二水合醋酸铀酰变绿了 (1/95) davos 2008-03-22 2008-03-22 22:08:59 by 水虫
试用期辞职要承担责任吗[求助完毕] (6/157) ak47ak74 2008-03-22 2008-03-22 22:03:16 by knightstar
求助如何制备对苯二酚的钠盐 2 (2/394) zhihui024 2008-03-22 2008-03-22 21:09:38 by vera0202
请问如何区分ZnO和Zn2+ 5 (5/117) yangst85 2008-03-22 2008-03-22 20:16:24 by yangst85
求1-溴环己烯的合成方法 5 (1/104) susanfu 2008-03-17 2008-03-22 19:15:10 by nian1986
请问谁能帮我查一下UDC号 3 (1/129) daybreak 2008-03-22 2008-03-22 18:54:37 by 梅婷jj
【求助成功】求一个56.com的免费邮箱,可以下载资源的那种 (3/114) hqing1985 2008-03-22 2008-03-22 17:41:10 by hqing1985
请问带结晶水的MgCl2(二氯化镁)怎样除去结晶水? 6 (5/1380) trc 2008-03-22 2008-03-22 16:46:21 by yangjinrui
求助一男孩名(已结束,谢谢大家!)    ( 1 2 3 4 ) (39/514) luocy 2008-03-21 2008-03-22 16:23:13 by start008
求电子版农药英汉辞典(放弃求助,请版主删除该帖) 16 (5/130) robby829 2008-03-21 2008-03-22 15:59:22 by xiaodu266
帮忙取个名字    ( 1 2 ) (12/292) cumtkxq 2008-03-14 2008-03-22 15:34:33 by gujianzhy
关于希夫碱水解 的问题 (7/625) 154487603 2008-03-18 2008-03-22 15:15:15 by 流浪虾米
[奖励30金币]一个力学计算 1 (2/139) jinlong12 2008-03-21 2008-03-22 15:06:29 by goalry
从水溶液中提取有机物的方法! 1 (4/99) liuzggg 2008-03-19 2008-03-22 13:49:30 by ljxiaoyu
请教乙腈怎样干燥??? (5/214) trc 2008-03-18 2008-03-22 13:20:36 by trc2
vista的正版软件如何刻录可以自己引导启动? 2 (3/86) 传送带 2008-03-18 2008-03-22 13:07:25 by lwwj136
Keithley 6517A electrometer (3/210) xiaobochen 2008-03-20 2008-03-22 12:26:34 by xiaobochen
各位给我侄子取个名字    ( 1 2 ) (17/271) hankofan 2008-03-13 2008-03-22 12:06:42 by diabloforever
请大家帮忙介绍几种期刊啊! (2/108) 徐西瓜剂小号1 2008-03-22 2008-03-22 11:06:52 by hongting
枯草杆菌感受态的制备与转化 25 (6/205) nnfyw 2008-03-19 2008-03-22 09:53:13 by nnfyw
求<先进电动汽车技术>一书 9 (7/364) zhuangwei726 2008-03-17 2008-03-22 09:13:05 by zhuangwei726
实验中为什么用二氧化钛模拟废水啊 10 (4/119) tanshubo2005 2008-03-20 2008-03-22 08:44:39 by hillecho
请问1stOpt软件中回归拟合时的的P值是取的多少呢? 9 (7/171) xiguayin 2008-03-20 2008-03-22 01:24:01 by xiguayin
学校内的本地连接问题    ( 1 2 ) (10/177) 北辰 2008-03-21 2008-03-22 01:21:49 by CCstrike
染料的国家标准 (3/128) 小蒙139 2008-03-19 2008-03-21 22:35:32 by 小蒙139
谁有《有机硅高分子及其应用》的电子书籍?    ( 1 2 ) (15/570) whljdian 2008-03-20 2008-03-21 22:00:33 by chdozh2008
向wjswift寻求Metal-Catalyzed Cross-Coupling Reactions 解压密码! 5 (0/57) amd 2008-03-21 2008-03-21 21:49:07 by amd
求:好的PPT模板    ( 1 2 ) 10 (评阅-10) (12/628) jinch0417 2008-03-18 2008-03-21 20:48:15 by iori831
ZnO是n型半导体? (2/255) dashan_612 2008-03-21 2008-03-21 19:31:37 by xiaowenzhi16
金属催化腐蚀是怎么回事?? 5 (2/218) Thether 2008-03-21 2008-03-21 19:04:16 by moody198
111111 2 (金币≥65535)(0/41) xiaoqiangwang 2008-03-21 2008-03-21 18:41:50 by xiaoqiangwang
求助:叔铵盐形成的溶液PH值是多少 (1/84) zhongjun668 2008-03-21 2008-03-21 17:10:00 by abcme910
玻璃衬底退火温度最高能达到多少度 (1/89) dashan_612 2008-03-21 2008-03-21 16:46:10 by likai0711
关于ALPO-12(AEL)在PDF2中的卡片号 15 (1/87) txq2009 2008-03-21 2008-03-21 16:45:55 by nucleus01
急求下载wiley书籍 5 (4/116) ljfwqt 2008-03-21 2008-03-21 16:32:45 by duxuan
MSN视频时电脑总是死机,求助! 6 (4/102) 风车田 2008-03-17 2008-03-21 16:31:43 by Honey993
请上次活动成功应助但尚未领取金币的朋友前来领取金币 42 (9/224) wangynj2008 2008-03-14 2008-03-21 16:18:24 by tibetebit
急求硅片!!! 20 (2/125) lxhfire 2008-03-21 2008-03-21 15:35:08 by babybabyfen
10金币求助翻译几个专业词汇 (5/251) liguanghui 2008-03-20 2008-03-21 13:02:15 by lily0501891
请教ZnCl2--TMEDA的制备? 3 (1/148) heliang320 2008-03-21 2008-03-21 12:43:33 by 555warcraft
Wohlers Report 2007 80 (4/290) htliu_hust 2008-03-18 2008-03-21 12:40:01 by htliu_hust
求阿果资源网的邀请注册码 (评阅-5) (5/164) lzheng1021 2008-03-21 2008-03-21 12:33:13 by 风声
问题已经解决,谢谢! 9 (2/155) cronquist 2008-03-20 2008-03-21 12:02:59 by xiaowenzhi16
求粉碎贝壳到纳米级别的方法! 5 (3/106) barryli 2008-03-21 2008-03-21 11:19:56 by jmliu1982
急求!过柱子问题(求助结束,谢谢) (9/262) 42317423 2008-03-09 2008-03-21 10:18:25 by xjxlovelxl
[color=Red]帮忙看看紫外特征峰[/color] (4/140) 42317423 2008-03-20 2008-03-21 10:17:54 by xjxlovelxl
jgw001请过来跟帖 我把金币给你 5 (0/77) 流浪虾米 2008-03-21 2008-03-21 09:08:56 by 流浪虾米
请问CAD中命令行的行数怎样设置? 3 (5/386) usualxa 2008-03-17 2008-03-21 08:36:10 by 末日骑士
60金币求固体等离子体资料(记得以前有人发过找不到了) 30 (4/96) yoyojn 2008-03-20 2008-03-21 08:05:58 by wangyuqian83
这个二手IBM 电脑值多少钱啊? (5/182) butterfly663 2008-03-20 2008-03-21 01:07:52 by huqingyu
重金~求一篇文献的所有参考文献(任务完成)    ( 1 2 3 ) (25/389) clare 2008-03-20 2008-03-20 23:59:55 by 风声
电脑问题,望高手指点一二 (9/275) wobaomi1987 2008-03-16 2008-03-20 23:16:41 by zhijfeng
求助这个有机物的英文名称 (3/106) junfeng80 2008-03-20 2008-03-20 22:50:46 by coki2008xmu
求助:稀释胰岛素所需要的浓度 (1/81) 一声818 2008-03-20 2008-03-20 22:23:44 by shuibinglao
当pH值为多少时,溶液中的汞离子开始出现沉淀??? 1 (3/495) 路边人 2008-03-17 2008-03-20 22:21:06 by ccmszxcai
请问与苯酚打交道危险有多大?    ( 1 2 ) (10/234) fz2008 2008-03-17 2008-03-20 22:08:50 by ccmszxcai
求助:牵牛子苷(甙)的提取和定量检测 47 (1/146) xiaoyingzi0810 2008-03-20 2008-03-20 22:00:19 by shuibinglao
请教投稿问题 5 (2/157) pinghe007 2008-02-19 2008-03-20 20:41:42 by baichunh
请问这些杂志哪些投稿回复的比较快?不管接不接受 (7/214) chenjie2007 2008-03-19 2008-03-20 20:10:18 by seekerboy
求助兰州大学同学-关于结构化学 1 (1/84) ldph 2008-02-18 2008-03-20 19:44:17 by xjxlovelxl
化学药品俗称“港水”造纸用的药品是什么? 5 (1/125) 006 2008-02-18 2008-03-20 19:43:47 by xjxlovelxl
求北科和苏大近几年的考研分析和高分子试卷 4 (1/90) lake688123 2008-02-18 2008-03-20 19:43:00 by xjxlovelxl
请教:地质、矿物学方面的杂志投稿问题 8 (1/66) totobie 2008-02-19 2008-03-20 19:42:20 by xjxlovelxl
求助《二硝基甲苯的市场调研报告》!急!谢谢 10 (1/60) chenjing4210 2008-02-20 2008-03-20 19:42:02 by xjxlovelxl
求租带荧光叶室的光合仪(Li-cor)!!! 9 (1/60) 学习的虫子 2008-02-20 2008-03-20 19:41:44 by xjxlovelxl
请问如何配制饱和ZnCl2 的THF溶液?需要无水ZnCl2还是普通的? (1/120) heliang320 2008-03-20 2008-03-20 19:41:38 by abcme910
薄层色谱分离游离脂肪酸参照物选择? 1 (金币≥15)(1/17) cheng7692 2008-02-19 2008-03-20 19:40:48 by xjxlovelxl
求诺基亚N73证书 10 (1/70) 530lifei 2008-02-19 2008-03-20 19:40:29 by xjxlovelxl
求助国内有关保护神经生理的研究机构、专家、团队! 6 (1/83) maxx2007 2008-02-19 2008-03-20 19:39:33 by xjxlovelxl
请问,胰蛋白酶的最适pH值与最适温度是多少? (4/1960) chunfu_xu 2008-03-20 2008-03-20 19:39:26 by 清风过
NoteExpress管理的文献出问题了,急啊,帮帮忙吧 (6/209) airconditioner 2008-03-19 2008-03-20 19:06:35 by airconditioner
缓蚀剂成膜影响因素 2 (1/78) dyfkkk 2008-03-20 2008-03-20 19:04:30 by abcme910
硝基苯的最大吸收峰以及硝基苯的吸收波长扫描图。急用,拜托!!! (新) 9 (6/1894) ccjjyy_02 2008-03-20 2008-03-20 19:03:15 by cuicuihu
知识型员工激励调研结束,谢谢大家!!!参与而未获得金币的虫友注意!!!    ( 1 2 3 4 5 6 .. 14 ) (评阅-154) (136/3274) violetro 2008-03-08 2008-03-20 18:16:41 by gaofenzi206
求点投稿的经验!!! 4 (1/105) barryli 2008-03-20 2008-03-20 17:59:19 by yiyang.imr
求AutoCAD软件 2008版下载,画图需要 (7/412) yjchenyj 2008-03-18 2008-03-20 16:53:40 by youiscan
请问,胰蛋白酶的单位 3 (1/110) chunfu_xu 2008-03-20 2008-03-20 16:07:24 by 一声818
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