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[热点] 售SCI一区T0P文章,我:8.O55.1.O.54,科目全,可十急 hNpp4Y2CGvSC 2026-11-05 刚刚
求助纳米金属和PVP相互作用的相关文献 10 (2/528) 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 (0/108) 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 (13/494) 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 (13/626) 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 (0/172) songsy 2008-05-12 2008-05-12 17:52:36 by songsy
求助:Electrothermal 9200熔点仪使用说明 10 (0/108) 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 (2/210) 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 (0/86) dhwlzxm 2008-05-12 2008-05-12 14:00:59 by dhwlzxm
垃圾短信 1 (9/500) dnazyme 2008-05-11 2008-05-12 13:24:43 by wildcat6178820
请教重结晶的操作 1 (5/310) 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 ) (20/1572) 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 (3/321) 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 (1/163) 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) (5/285) 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 (2/128) 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 (1/124) jj6190750 2008-05-11 2008-05-12 07:10:23 by jj6190750
求物理化学和金属学课件 7 (2/198) 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 (2/1101) metal 2008-05-11 2008-05-11 22:12:30 by nucleus01
求助完成,待删除8 (6/317) Rich0429 2008-05-10 2008-05-11 21:44:37 by t450796102
求买药品 20 (7/410) zfbg 2008-05-08 2008-05-10 23:35:41 by lylpop
求助 (0/119) LIUZHIYONG0791 2008-05-10 2008-05-10 20:25:56 by LIUZHIYONG0791
求助完成! 2 (1/121) 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 (9/368) 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 (25/854) 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 (8/1766) 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 (8/444) 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 (7/568) 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 (16/1369) mengfg85 2008-05-06 2008-05-09 14:49:38 by superman900
友情相助crytsal880    ( 1 2 ) (评阅-49) (11/495) nanoeer 2008-05-08 2008-05-09 14:33:00 by zhuzixin
已关闭    ( 1 2 ) (10/426) 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) (4/734) 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 (16/717) 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 (15/632) mcdd 2008-05-05 2008-05-09 11:55:40 by brushington
苯酚如何重新蒸馏(求助完毕) (5/444) 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 (7/619) swordboy1980 2008-04-25 2008-05-09 11:43:09 by swordboy1980
5金币 求如何计算N/P比 5 (6/298) 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 (2/779) 快乐永在 2008-05-08 2008-05-09 09:47:25 by dujianli
SiO2是硅胶吗?(OK) (8/568) 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 (10/452) 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 (10/392) 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 (10/875) 敷衍 2008-05-07 2008-05-08 21:07:34 by jiangling1007
"二氯代苯" 的沸点是多少? (4/510) 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) (3/183) xiaofan700 2008-05-08 2008-05-08 20:53:12 by kqp1982
gtj19731003,请来跟帖    ( 1 2 ) 30 (15/555) 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) (2/202) 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 (1/172) cocoret 2008-05-08 2008-05-08 17:22:11 by shootyou25
NCBI批量blast的方法 10 (1/429) 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 (2/173) 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 (6/320) 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 (15/556) 阿金 2008-05-01 2008-05-08 15:10:57 by liy1008
熔点测定问题    ( 1 2 ) (10/503) 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 (2/197) jinlinsheng 2008-05-08 2008-05-08 13:17:16 by 小木虫670
2,4-环氧丁醇 (2/157) 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) (7/308) 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 (5/1180) loverss 2008-05-04 2008-05-08 10:12:36 by jessie7527
请问怎样才能发图?(已完成) (1/102) 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 (2/294) 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~~ (8/333) 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? (4/995) 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) (4/288) 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 (1/154) 0539lyb 2008-05-06 2008-05-07 23:21:51 by 小壹
平行试验误差 (3/598) 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 (2/168) guoyan87341305 2008-05-05 2008-05-07 22:33:06 by guoyan87341305
求助完成! (2/231) 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 (4/186) 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 (0/140) dragonlynn 2008-05-07 2008-05-07 20:26:34 by dragonlynn
已求助完成 10 (0/101) 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】 (7/567) 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 (6/413) 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 (1/254) aust200413320 2008-05-07 2008-05-07 18:31:28 by helianglh
u盘不打开    ( 1 2 ) (15/958) 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 (4/218) changshazzz 2008-05-07 2008-05-07 17:18:42 by changshazzz
帮忙看看pdf文件    ( 1 2 ) (10/458) allium 2008-04-30 2008-05-07 16:53:13 by wujian1112
请问概率统计的虫子 2 (5/260) 子秋 2008-05-07 2008-05-07 14:11:53 by 子秋
非离子表面活性剂 (3/349) 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 (2/211) 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 (0/117) 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】 (8/542) 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 (1/146) 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) (4/249) 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 (34/990) pissor 2008-04-24 2008-05-07 11:13:44 by liubao920
求解稳定常数的HYPERQUAD程序 50 (2/288) sxw528 2008-05-06 2008-05-07 11:13:31 by liubao920
关于高频标准电阻 20 (2/192) 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 (4/237) 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 ) (13/420) shanniepoo 2008-05-06 2008-05-07 09:28:06 by shanniepoo
求助分子印迹 2 (1/185) lzheng1021 2008-05-06 2008-05-07 08:50:55 by 北斗星星
求助完成 (3/165) 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 (1/136) zhangp210 2008-05-06 2008-05-06 23:17:44 by fanshuanxi2008
【求助完成】Access to Research Infrastructures (4/210) coley 2008-05-06 2008-05-06 22:40:21 by fanshuanxi2008
【求助】抗癌药制成滴丸可行吗? (4/229) 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 (10/351) 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 ) (10/396) xunlei 2008-05-05 2008-05-06 21:30:53 by xunlei
热膨胀系数 (3/256) 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 (1/192) heart420 2008-05-06 2008-05-06 18:38:04 by sweet711
氮气压缩因子 (3/225) 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 (2/200) davos 2008-05-06 2008-05-06 17:03:50 by nian1986
求一种材料或者其它办法 1 (0/80) 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 (1/139) 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 (16/506) 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 (4/414) mysocool 2008-05-06 2008-05-06 15:27:30 by mysocool
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