24小时热门版块排行榜    

管理团队 (金币库 41659.9 充值 )

主管区长:
可淡不可忘livee
主管版主:
wolfghostqfw_68

杰出贡献者

存档说明

  • 提示:您目前浏览的是本版块存档区的帖子列表。点击这里进入本版块最新列表
  • [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
    求助纳米金属和PVP相互作用的相关文献 10 (2/391) bingjingshi 2008-05-12 2008-05-12 20:26:14 by power5111
    碱性过硫酸钾法测氮方法中怎样排除产物对测定结果的影响? 2 (0/82) hao638172 2008-05-12 2008-05-12 20:06:52 by hao638172
    我的电脑上网速度慢是咋回事啊?    ( 1 2 ) 3 (13/319) cronquist 2008-05-12 2008-05-12 19:04:26 by zhouy23
    拖动文件时遇到灵异事件了,求助!急!    ( 1 2 ) 1 (13/487) 唯安方达 2008-05-11 2008-05-12 18:50:39 by 唯安方达
    求助回答审稿意见 10 (0/132) songsy 2008-05-12 2008-05-12 17:52:36 by songsy
    求助:Electrothermal 9200熔点仪使用说明 10 (0/84) ydx19 2008-05-12 2008-05-12 17:38:50 by ydx19
    2,4-环氧丁醇 的用途及性质 ! 5 (2/168) sjt456 2008-05-12 2008-05-12 14:49:44 by dujianli
    求助带阻滞产物的化学反应速率表达式. 10 (0/58) dhwlzxm 2008-05-12 2008-05-12 14:00:59 by dhwlzxm
    垃圾短信 1 (9/358) dnazyme 2008-05-11 2008-05-12 13:24:43 by wildcat6178820
    请教重结晶的操作 1 (5/205) lygdut 2008-05-11 2008-05-12 12:20:51 by gaogao821
    求助:女孩学什么专业比较好?除了学医和师范。(求助完成,非常感谢)    ( 1 2 3 ) (20/1225) photon 2008-05-11 2008-05-12 11:02:02 by 会爬的小木虫
    盐酸四环素的氧化产物 (3/237) wj20051051 2008-05-12 2008-05-12 08:47:42 by kopsia
    四苯基频那酮的性质和液相分离 5 (1/134) jjwang8001 2008-05-10 2008-05-12 08:32:30 by jjwang8001
    求助05年以后的中国食品工业年鉴,零点花园可下载(已成功应助) (5/192) wpeng 2008-05-11 2008-05-12 08:06:04 by hljbhs
    求清华大学复合柴油的相关文献 27 (2/90) 604yyj 2008-05-11 2008-05-12 08:04:06 by nutton
    紧急求助关于头孢菌素C硅烷化后的处理问题! 5 (1/93) jj6190750 2008-05-11 2008-05-12 07:10:23 by jj6190750
    求物理化学和金属学课件 7 (2/137) luckygf 2008-05-11 2008-05-11 22:39:27 by 风声
    Origin中用原函数拟合显示:错误,参数没有正确初始化,请问如何处理?(问题已解决) 8 (2/916) metal 2008-05-11 2008-05-11 22:12:30 by nucleus01
    求助完成,待删除8 (6/209) Rich0429 2008-05-10 2008-05-11 21:44:37 by t450796102
    求买药品 20 (7/288) zfbg 2008-05-08 2008-05-10 23:35:41 by lylpop
    求助 (0/96) LIUZHIYONG0791 2008-05-10 2008-05-10 20:25:56 by LIUZHIYONG0791
    求助完成! 2 (1/75) xiaolei97 2008-05-10 2008-05-10 20:00:41 by 残雪飘零
    请高手指点如何连接两台电脑,谢 (9/278) ieiyour 2008-05-07 2008-05-10 11:16:14 by ruoshi
    请大家帮忙看此简单的公式有没有错误?    ( 1 2 3 ) 3 (25/647) xiguayin 2008-05-07 2008-05-09 22:38:22 by xiguayin
    吡啶和碘甲烷的反应条件是什么? 2 (8/1399) feixue023031 2008-05-08 2008-05-09 18:13:56 by myz910
    用什么方法能够使硫双键还原成巯基 7 (8/332) fanxiaoshan 2008-04-30 2008-05-09 16:18:05 by tangwj
    电阻已经能表示导体导电的能力,为什么还要引入电导的概念? 11 (7/369) mahl1979 2008-05-09 2008-05-09 15:58:55 by tangwj
    求助:怎样分离有机物和无机盐    ( 1 2 ) 5 (16/902) mengfg85 2008-05-06 2008-05-09 14:49:38 by superman900
    友情相助crytsal880    ( 1 2 ) (评阅-49) (11/372) nanoeer 2008-05-08 2008-05-09 14:33:00 by zhuzixin
    已关闭    ( 1 2 ) (10/272) zhaoliang0521 2008-05-08 2008-05-09 13:25:34 by zhaoliang0521
    哪位虫友知道在哪儿能下载到这本书啊!---有机化合物的波谱解析 (评阅-28) (4/541) loviper 2008-05-09 2008-05-09 13:09:10 by zhuzixin
    有关 PDF 看英文文献的问题    ( 1 2 ) 2 (16/534) jiahu_fxl 2008-05-06 2008-05-09 11:58:25 by brushington
    谁帮我打开一下这个文件,看看里面是什么内容    ( 1 2 ) 1 (15/379) mcdd 2008-05-05 2008-05-09 11:55:40 by brushington
    苯酚如何重新蒸馏(求助完毕) (5/334) luojuxiang 2008-05-08 2008-05-09 11:45:54 by 光脚板bbv
    无限稀释扩散系数,扩散系数,热力学扩散系数差别? 29 (7/428) swordboy1980 2008-04-25 2008-05-09 11:43:09 by swordboy1980
    5金币 求如何计算N/P比 5 (6/205) clzyy 2008-05-08 2008-05-09 10:42:25 by qinpf22
    卤代烃与硫化钠反应生成硫醚【求助完成】 15 (2/708) 快乐永在 2008-05-08 2008-05-09 09:47:25 by dujianli
    SiO2是硅胶吗?(OK) (8/386) yanmeipy 2008-05-08 2008-05-09 01:18:31 by hobbyzhang
    电脑任务栏右角显示的输入法图标不见了    ( 1 2 ) 1 (10/307) yutong 2008-05-05 2008-05-09 01:12:44 by hobbyzhang
    100币币求助防治沙漠化的视频资料【已完成】    ( 1 2 ) 86 (10/286) ljf2000 2008-05-08 2008-05-08 22:52:53 by ljf2000
    急~ 求天然药物化学习题及答案~    ( 1 2 ) 6 (10/588) 敷衍 2008-05-07 2008-05-08 21:07:34 by jiangling1007
    "二氯代苯" 的沸点是多少? (4/433) xinkaifish 2008-05-08 2008-05-08 21:05:24 by 北斗星星
    那里可以定做给定图案的硅片(最好是经ICP刻蚀的) (3/124) xiaofan700 2008-05-08 2008-05-08 20:53:12 by kqp1982
    gtj19731003,请来跟帖    ( 1 2 ) 30 (15/332) xiaoyuzhang 2008-05-07 2008-05-08 20:02:21 by lighteningtear
    [求助]到万客化工网下一本书(已完成) (2/167) dnp 2008-05-08 2008-05-08 19:38:46 by 风声
    【求助完成】求助医疗检测费用 8 (1/130) cocoret 2008-05-08 2008-05-08 17:22:11 by shootyou25
    NCBI批量blast的方法 10 (1/359) quxuguang 2008-05-08 2008-05-08 16:46:39 by quxuguang
    求助党跃武的《信息管理导论》(第二版)的参考书(失效) 20 (2/121) 锐角之刃 2008-05-06 2008-05-08 15:32:40 by 锐角之刃
    我的电脑上不了小木虫了 (6/227) love6417 2008-05-07 2008-05-08 15:21:18 by shiners
    冶炼金和银的化学方法    ( 1 2 ) 1 (15/375) 阿金 2008-05-01 2008-05-08 15:10:57 by liy1008
    熔点测定问题    ( 1 2 ) (10/346) sinevil 2008-05-05 2008-05-08 15:03:49 by liy1008
    怎样才能使vista系统窗口最大化啊 (2/142) jinlinsheng 2008-05-08 2008-05-08 13:17:16 by 小木虫670
    2,4-环氧丁醇 (2/117) sjt456 2008-05-08 2008-05-08 13:15:18 by dujianli
    请问牡丹江市那家医院的儿科最好 10 (评阅-5) (7/206) agt19830706 2008-05-04 2008-05-08 11:13:28 by 独孤洁傲
    硅胶G,H,GF254各自适用于什么样品的薄层色谱 (5/1054) loverss 2008-05-04 2008-05-08 10:12:36 by jessie7527
    请问怎样才能发图?(已完成) (1/65) 真的是我 2008-05-08 2008-05-08 09:14:40 by Elvis2008
    混合酸酐法和碳二亚胺法的一般实验步骤?(时间已过,完结) 5 (2/246) xuying118 2008-05-07 2008-05-08 09:00:00 by xuying118
    为什么我这篇求助被屏蔽??谢谢,已解决~~ (8/174) 超级猪 2008-05-07 2008-05-08 08:41:03 by 超级猪
    氧化铁在氮气中高温分解吗? (4/844) 哈哈哈20062009 2008-05-06 2008-05-08 02:30:42 by 醉乡常客
    求粘均分子量 常数(已完结) (4/202) zaitianxia 2008-05-07 2008-05-07 23:23:51 by zhongs701
    求从废电子线路板合金中分离金银的详细技术 1 (1/118) 0539lyb 2008-05-06 2008-05-07 23:21:51 by 小壹
    平行试验误差 (3/493) guanxp 2008-05-07 2008-05-07 23:00:33 by 小壹
    金属氨基化合物引发苯乙烯反应机理【求助完成】 5 (2/114) guoyan87341305 2008-05-05 2008-05-07 22:33:06 by guoyan87341305
    求助完成! (2/128) xiaolei97 2008-05-07 2008-05-07 22:28:58 by jurkat.1640
    寻求帮助:两个操作系统下的转换 (4/133) zzccjj327 2008-05-05 2008-05-07 20:46:43 by zzccjj327
    求助 α-羟基,α-环己基扁桃酸和 α-羟基,α-环戊基扁桃酸的衍生物 50 (0/116) dragonlynn 2008-05-07 2008-05-07 20:26:34 by dragonlynn
    已求助完成 10 (0/75) cccgood 2008-05-07 2008-05-07 19:47:41 by cccgood
    请教关于学术会议中墙报和口头报告的问题【求助完成】 (7/402) zhang2001my 2008-05-07 2008-05-07 19:47:36 by ccj_jane
    求助 晶体生长方向的问题 2 (6/240) 孙燕丽 2008-05-07 2008-05-07 19:43:55 by xuhu
    [求助放弃]急!!!!!!!!!!求助一篇翻译好的乳液聚合方面的英文文献 悬赏30金 30 (1/184) aust200413320 2008-05-07 2008-05-07 18:31:28 by helianglh
    u盘不打开    ( 1 2 ) (15/622) duoshou 2008-05-01 2008-05-07 18:27:36 by helianglh
    [求助完成]求助电阻与温度的关系公式 (4/152) changshazzz 2008-05-07 2008-05-07 17:18:42 by changshazzz
    帮忙看看pdf文件    ( 1 2 ) (10/315) allium 2008-04-30 2008-05-07 16:53:13 by wujian1112
    请问概率统计的虫子 2 (5/163) 子秋 2008-05-07 2008-05-07 14:11:53 by 子秋
    非离子表面活性剂 (3/239) liuzggg 2008-05-07 2008-05-07 13:55:13 by liutong123
    求相关系数和回归曲线方面的文献 3 (2/149) lzheng1021 2008-05-06 2008-05-07 13:42:55 by wangshengchao
    【求助完成】钛酸铅的杨氏模量 2 (0/90) 蓝的蓝 2008-05-07 2008-05-07 13:31:54 by 蓝的蓝
    关于钼锑抗分光光度法测总磷的步骤【有效期至2008年7月15日】 (8/378) linyanping 2008-04-27 2008-05-07 13:18:04 by linyanping
    紧急求助不同直径棒料在水冷中的冷却曲线 5 (1/97) 恒星 2008-05-07 2008-05-07 11:35:37 by 恒星
    哪里能够买到a-淀粉酶和糖化酶(求助完毕) (4/158) luojuxiang 2008-05-06 2008-05-07 11:14:28 by liubao920
    [紧急求助]以金币求助电脑高手    ( 1 2 3 4 ) 10 (34/760) pissor 2008-04-24 2008-05-07 11:13:44 by liubao920
    求解稳定常数的HYPERQUAD程序 50 (2/231) sxw528 2008-05-06 2008-05-07 11:13:31 by liubao920
    关于高频标准电阻 20 (2/138) 菊花满山 2008-05-07 2008-05-07 11:13:00 by liubao920
    问一下这几种有机溶剂的极性大小 (4/159) zijian119 2008-05-06 2008-05-07 10:01:32 by dujianli
    哪位知道哪儿有卖小玻璃瓶的?    ( 1 2 ) (13/248) shanniepoo 2008-05-06 2008-05-07 09:28:06 by shanniepoo
    求助分子印迹 2 (1/131) lzheng1021 2008-05-06 2008-05-07 08:50:55 by 北斗星星
    求助完成 (3/105) haishuiyiyi 2008-05-06 2008-05-07 08:35:15 by haishuiyiyi
    急求计算机工程2007年12期杂志封面与目录 (1/93) zhangp210 2008-05-06 2008-05-06 23:17:44 by fanshuanxi2008
    【求助完成】Access to Research Infrastructures (4/122) coley 2008-05-06 2008-05-06 22:40:21 by fanshuanxi2008
    【求助】抗癌药制成滴丸可行吗? (4/157) 我爱小木虫880 2008-04-29 2008-05-06 22:15:25 by 我爱小木虫880
    在公司下不了用迅雷下了电影 求助??!    ( 1 2 ) 2 (10/206) vanhalen76 2008-05-06 2008-05-06 22:04:30 by xuhu
    求助一个母亲节贺卡的构思    ( 1 2 ) (10/259) xunlei 2008-05-05 2008-05-06 21:30:53 by xunlei
    热膨胀系数 (3/173) 猫猫在路上 2008-05-06 2008-05-06 21:28:23 by lowa-lee
    10金币求助烷烃分子直径(C12 C20)(请锁帖) 10 (1/137) heart420 2008-05-06 2008-05-06 18:38:04 by sweet711
    氮气压缩因子 (3/159) fuxin1982 2008-05-06 2008-05-06 18:09:03 by liyongyi
    停止求助,谢谢 <CrO5有什么作用和意义> 18 (2/132) davos 2008-05-06 2008-05-06 17:03:50 by nian1986
    求一种材料或者其它办法 1 (0/50) hqb0514 2008-05-06 2008-05-06 16:16:14 by hqb0514
    一定浓度的气体在一定体积容器里扩散均匀所需要的时间 6 (1/98) sima022225 2008-05-06 2008-05-06 15:44:56 by kqp1982
    请数学高手帮忙推一个公式。【放弃】    ( 1 2 ) 30 (16/361) xiguayin 2008-05-02 2008-05-06 15:37:07 by kqp1982
    100金币求二氯喹啉酸生产工艺及相关资料 (4/301) mysocool 2008-05-06 2008-05-06 15:27:30 by mysocool
    相关版块跳转
    查看