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[热点] 拟解决的关键科学问题还要不要写 xps5000 2026-01-20 刚刚
【金币全给了也行】看看这个网站该怎么搞    ( 1 2 3 4 5 6 .. 8 ) 44 (77/1876) mxbeaver 2007-12-12 2007-12-17 16:54:23 by zzq770204
为啥mp3里的文件在电脑里删不掉啊？    ( 1 2 3 ) (28/903) chuhua 2007-12-11 2007-12-17 16:48:05 by 我是瘟疫
为外甥（女）起名 (5/126) realhugh 2007-12-16 2007-12-17 16:38:22 by zfmxhcg
请聚氨酯合成实验问题 9 (6/403) SWB888 2007-12-17 2007-12-17 15:29:40 by hjk655150
求助豫光金铅的情况介绍    ( 1 2 3 ) 1 (金币≥1)(22/313) zhiwei280 2007-12-15 2007-12-17 15:07:31 by zhiwei280
求助铜基粉末冶金材料的腐蚀剂 5 (1/168) zrg117 2007-12-17 2007-12-17 14:14:16 by totobie
求：可以提取电影中音乐的软件    ( 1 2 ) (15/609) angel8533 2007-12-15 2007-12-17 13:19:31 by xpf377
5金币求助生物碱检测剂的配制 (2/170) Astronaut 2007-12-17 2007-12-17 11:33:47 by clqxyz
碳纳米管的润湿性质(结束) (3/221) sinanolu 2007-12-16 2007-12-17 11:26:58 by totobie
10金币求碘-碘化钾试剂的配制 (3/113) sxm8646 2007-12-17 2007-12-17 10:20:09 by sxm8646
急求 高温钠或者钾与玻璃反应吗? 1 (3/84) nanoc60 2007-10-21 2007-12-17 10:04:49 by xiqizhizi
柠檬酸与乌头酸如何分离 6 (3/271) jingjiniao 2007-12-13 2007-12-17 10:03:37 by jingjiniao
请教500度分解生成氧气的物质（kmno4，kclo4，硝酸盐除外） (2/387) 垃圾虫218 2007-12-16 2007-12-17 09:50:16 by xiqizhizi
求助阻抗普图分析 1 (3/80) jlu582 2007-12-17 2007-12-17 09:46:47 by 42317423
重金求购摩托罗拉u6c手机驱动程序    ( 1 2 ) 20 (11/151) xiaojiancai 2007-12-08 2007-12-17 09:28:13 by xiaojiancai
【重金求助】为高分子学术小报及栏目征名    ( 1 2 3 4 5 ) 157 (44/1363) laizuliang 2007-12-13 2007-12-17 02:20:27 by laizuliang
为龙凤胎宝宝取名    ( 1 2 3 4 ) (32/1181) frank_zhangquan 2007-12-15 2007-12-17 01:49:43 by lzhlcaas
取消找书：髋（骨科标准手术技术丛书） (4/247) 阿图什无花果 2007-12-16 2007-12-17 01:42:31 by 阿图什无花果
求Encyclopedia of Reagents for Organic Synthesis（求助结束） (3/226) van2008 2007-12-16 2007-12-16 23:25:54 by weixiaobao-000
求助物理方面那些sci杂志可以发表和电路理论相关的文章 3 (1/146) graph 2007-12-16 2007-12-16 22:08:07 by totobie
免费的 标准 氢谱软件吗 (1/160) yeyingshaqiu 2007-12-16 2007-12-16 21:21:28 by hezhi200512
流量是怎么来的啊？？？ (评阅+1) (6/328) luntan580 2007-12-16 2007-12-16 21:17:03 by gexing2
如何将FLAC格式转化成WAV 2 (3/100) qianxiaocao 2007-12-16 2007-12-16 20:25:14 by qianxiaocao
求助 ----分割压缩文件1金币 (4/114) yungchong 2007-12-14 2007-12-16 20:06:30 by surpermen
一登陆SOHU就有12152UNKNOWN错误    ( 1 2 ) 2 (13/224) flydragon1112 2007-12-06 2007-12-16 20:02:21 by flydragon1112
发金币啦：帮我投张票，送您1金币    ( 1 2 3 4 5 6 .. 30 ) (295/5481) xjxlovelxl 2007-12-12 2007-12-16 19:43:23 by 出气筒
为宝宝取名    ( 1 2 3 4 5 6 .. 9 ) 90 (80/1633) 见鬼大师 2007-12-14 2007-12-16 19:28:58 by cw0926
发金币了！！！！ 20 (评阅-2) (4/191) witch-dj 2007-12-16 2007-12-16 18:56:21 by hy-zhao
急助华南理工大学2007年考研试卷之物理化学 10 (3/253) sxm8646 2007-12-13 2007-12-16 17:35:02 by sxm8646
请教有关HPLC的故障问题 (5/130) huangyan100 2007-12-16 2007-12-16 17:19:58 by wgcui
电脑视频不连续的问题 2 (5/135) liuzggg 2007-12-11 2007-12-16 17:17:54 by 凤凰浴血
谁有56邮箱啊？(问题已解决，感谢提供帮助的虫友) (4/271) Yu_G 2007-12-16 2007-12-16 17:10:05 by kaikaifeng
药物合成专业不专门开有机化学，而专门开分析化学的学校 1 (2/169) 孤单可以起诉 2007-12-16 2007-12-16 17:01:22 by 03180055
求助资源文章    ( 1 2 ) (10/163) zm801130 2007-12-16 2007-12-16 16:51:41 by zm801130
美化帖子技巧 虫虫都需要 来这里学一下 学会奖红包    ( 1 2 ) (12/457) 阿图什无花果 2007-12-07 2007-12-16 15:59:19 by 茗跃
无语～～～～～～～～    ( 1 2 3 4 5 6 .. 7 ) 53 (61/1184) zhaoyongqiang 2007-12-15 2007-12-16 15:19:10 by lwjxz
形如这样的微分方程怎么解？ 5 (1/227) leopardwj 2007-12-16 2007-12-16 15:11:11 by johnmech
求文献 1 (1/101) bjwlbf 2007-12-15 2007-12-16 14:20:53 by lujiayue
谁能给我下载这上的文章(在线等，急啊） (6/162) zm801130 2007-12-16 2007-12-16 14:10:03 by 林夕983
手性液晶的研究 1 (金币≥2)(3/70) wjy123456 2007-12-15 2007-12-16 14:07:47 by wjy123456
求助已完成 重金求一公司英文名字    ( 1 2 3 ) (27/773) lyyclxl 2007-12-14 2007-12-16 13:45:07 by lyyclxl
如何在网发布信息 (9/320) limingtiaan2 2007-12-13 2007-12-16 11:37:54 by miniredhorse
求一对双胞胎小名    ( 1 2 3 4 5 6 ) 5 (50/789) zeng1986kai 2007-12-14 2007-12-16 11:18:18 by xiaoma866
如何浓缩聚乙二醇6000溶液? (4/234) yfzou_njau 2007-12-15 2007-12-16 10:34:59 by LYLS062860
安全卫士不能进行查杀木马怎么办？请高手帮忙！（完成，请删除！）    ( 1 2 3 4 5 ) 4 (49/1519) zhangweihua 2007-12-14 2007-12-16 10:17:17 by 企及
求助 铝和硅的润湿性？ 5 (1/64) zmorning 2007-12-15 2007-12-16 10:09:38 by zmorning
求助如何将浓硫酸中铁离子（2价，3价）的浓度从5ppm降低0.2ppm？ 2 (5/105) heart420 2007-12-14 2007-12-16 10:08:28 by heart420
安捷伦1100液相漏液问题 (6/174) yubin820307 2007-12-15 2007-12-16 09:33:21 by yubin820307
求徐羽梧，杨亚核，李汉平. 螯合树脂研究 ⅩⅩⅩ.硫脲型树脂的合成及其吸附性能文章 (1/368) xwlong616 2007-12-15 2007-12-15 23:53:26 by lovehappy2008
热力学 10 (3/151) bringlee 2007-12-07 2007-12-15 23:52:09 by bringlee
INFORM是什么期刊? 1 (4/209) vecust 2007-12-13 2007-12-15 23:42:29 by vecust
寻近年关于“聚噻吩”的英文综述文章 3 (3/250) xinkaifish 2007-12-14 2007-12-15 23:36:58 by xinkaifish
求助中山大学考博历年英语试题！ 185 (7/538) asymmetry 2007-12-15 2007-12-15 21:20:45 by weixiaobao-000
【求助】2个品牌液相工程师都回答不了的问题！ 197 (6/339) 主救 2007-12-05 2007-12-15 21:11:50 by 主救
谢谢了，求助结束 (4/179) 电泳 2007-12-15 2007-12-15 20:52:13 by cuggoat
虫虫们用的高压反应釜那家的质量好呀 (9/467) dd1979 2007-12-04 2007-12-15 20:42:43 by ylp_by
求段姓男孩名字，采用着奖励金币10个！    ( 1 2 3 4 5 6 .. 13 ) (127/1937) lantianbaiyun 2007-11-25 2007-12-15 20:41:49 by zywgy0608
10金求助PVA的羧基化 1 (1/127) oveiyi 2007-12-15 2007-12-15 19:54:09 by oveiyi
求助：我的电脑中了autorun病毒    ( 1 2 3 ) (24/1166) huangyan100 2007-12-13 2007-12-15 19:35:15 by 清菏雨露
文件夹加密后找不到了，如何解决？    ( 1 2 ) 7 (17/1083) lkx646 2007-12-13 2007-12-15 19:30:25 by lkx646
那些化学中文核心期刊容易发表！    ( 1 2 ) (14/533) yizy372 2007-12-13 2007-12-15 19:15:04 by huangb882
求助：怎样增加大豆油的粘度/密度 (5/154) littlefish11 2007-12-14 2007-12-15 19:08:45 by wangxh231
有奖竞猜：小木虫注册人数突破50万可能在那一天    ( 1 2 3 4 5 6 .. 48 ) (470/3925) 楼兰少女 2007-11-05 2007-12-15 19:06:45 by lucky_xrg
如何去除冻藏蛋白样品中的甘油? 10 (2/471) 在布拉格等你 2007-12-15 2007-12-15 18:58:19 by ld12
我的U盘中毒了    ( 1 2 3 ) 1 (27/1134) wangmh223 2007-12-13 2007-12-15 18:36:59 by jymyapple
Gmail临时错误502？ (3/219) huangkz 2007-12-15 2007-12-15 16:45:09 by h1u2a3n4g
北京哪里可以做Zeta电位啊 1 (2/80) oveiyi 2007-12-14 2007-12-15 16:37:38 by oveiyi
求助有关硅胶柱 (6/328) yinlingling7839 2007-12-14 2007-12-15 16:31:30 by h1u2a3n4g
北京哪里可以做热重分析啊 (6/263) oveiyi 2007-12-14 2007-12-15 16:29:03 by oveiyi
麻烦高手翻译一下 (2/325) lianliansuannai 2007-12-15 2007-12-15 16:21:07 by nmliujianguo
重金求名    ( 1 2 3 4 ) 10 (36/840) wudeh 2007-12-13 2007-12-15 15:15:42 by heshb03
王姓起名    ( 1 2 3 4 5 6 ) 1 (51/1023) pingyijian 2007-11-27 2007-12-15 12:34:52 by yangjunfang7965
schiff碱还原用什么比较好? 3 (3/196) 山顶洞人558 2007-12-12 2007-12-15 12:10:34 by ouyangbaishui
宏被禁止 (3/90) yujie741008 2007-12-09 2007-12-15 11:53:17 by 373449732
求姓苏姓-----男孩名字    ( 1 2 3 4 5 6 .. 10 ) (92/1212) oppsyz 2007-12-12 2007-12-15 10:53:45 by ljyai521
奖励金币!!!我儿08年正月十几出生，姓陈， 请取名字！    ( 1 2 3 4 5 6 .. 12 ) (115/3141) saiyang 2007-11-30 2007-12-15 10:53:04 by liaoren5
30金币为周姓双胞胎侄子求名    ( 1 2 3 4 5 ) 10 (49/1999) 一叶孤舟 2007-12-11 2007-12-15 10:38:10 by 一叶孤舟
圆柱形催化剂有效因子（悬赏10个金币） 1 (1/82) youngdot 2007-12-15 2007-12-15 09:54:48 by youngdot
求助植物中多巴双加氧酶的提取及活性测定方法 3 (0/87) 永不后悔 2007-12-15 2007-12-15 09:48:50 by 永不后悔
替朋友家新生儿子征名    ( 1 2 3 4 5 ) 10 (40/733) liufj2007 2007-12-13 2007-12-15 09:43:45 by qjp828
关于红外掠角反射 5 (0/51) mypig 2007-12-15 2007-12-15 09:16:53 by mypig
杂志排名 5 (5/866) wenliu 2007-12-13 2007-12-15 09:10:07 by wenliu
HPLC问题    ( 1 2 ) 2 (14/541) samuel01 2007-12-13 2007-12-15 01:54:19 by jianglilp
⌒☆☆☆⌒ 给虫子投一票：送1个金币 ⌒☆☆☆⌒    ( 1 2 3 4 5 6 .. 39 ) (评阅+3) (381/11839) 楼兰少女 2007-12-11 2007-12-15 00:35:39 by robocop
为小宝宝起名 1 (7/318) yxg183 2007-12-08 2007-12-14 23:06:31 by yxg183
求 FileMaker Pro 8.0 以上版本的下载地址 谢谢 4 (4/249) anoikis 2007-12-14 2007-12-14 22:33:37 by anoikis
非常有意思的内容， 1 (金币≥1)(2/47) pcf1981 2007-12-14 2007-12-14 22:26:38 by chenshousong
求助ACS文献两篇 2 (1/315) 么辣子 2007-12-14 2007-12-14 22:17:55 by 么辣子
绘制等值线图 1 (3/220) 保保 2007-12-10 2007-12-14 21:26:15 by 保保
结束 给虫子投票    ( 1 2 ) 27 (17/695) 阿图什无花果 2007-12-14 2007-12-14 21:21:51 by Raen
求助 三苯基溴化锗和苯酚的反应条件 2 (1/219) lxgqk 2007-12-11 2007-12-14 20:48:29 by lxgqk
爷爷过生日发金币了！    ( 1 2 3 4 5 6 .. 64 ) (评阅-4) (637/6828) mooncakexzj 2007-12-01 2007-12-14 20:15:03 by x8778
求国内销售手性磷配体的公司(10金币) (5/208) swordman2007 2007-12-13 2007-12-14 19:44:23 by swordman2007
【求助】电镀镀层TEM制样问题[求助已完成] 4 (3/256) LeoZhang 2007-12-13 2007-12-14 19:19:35 by LeoZhang
有关origin的使用 (2/109) zrg117 2007-12-14 2007-12-14 18:02:44 by xiaoxiao_2007
【结束求助】potassium sulphaguaiacolateEP6质量标准 5 (5/228) xiaolingwei2007 2007-12-14 2007-12-14 17:23:10 by xiaolingwei2007
问一下：CA中专利检索的小问题。（求助完成！） (2/219) immajia 2007-12-14 2007-12-14 16:33:29 by immajia
已完成，请删除 (2/88) zhangshining 2007-12-14 2007-12-14 16:32:48 by zhouy23
请问如何精制DMF (6/453) sinevil 2007-12-13 2007-12-14 16:15:47 by 小猪花花3
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