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[热点] 北科281学硕材料求调剂 tcxiaoxx 2026-03-21 刚刚
求助 红外光谱软件 (4/240) 风影之水 2008-04-07 2008-04-11 14:22:40 by 肖笑
苯环上磺化具体操作 1 (金币≥3)(0/53) lily0224 2008-04-11 2008-04-11 13:58:39 by lily0224
如何配制0.1M/L磷酸缓冲液？ (2/256) gaoy1101 2008-04-11 2008-04-11 13:54:24 by gaoy1101
请问化工工程中的阀门有那些标准？ 2 (1/91) wyw8283 2008-04-08 2008-04-11 13:37:53 by zjtoby
帮忙推荐一种"只含碳氢氧铝元素,溶于水的铝盐" (3/117) tianyalu 2008-04-11 2008-04-11 13:36:15 by dujianli
求Eu2O3 的200-500nm的激发光谱 5 (0/117) fwq4993329 2008-04-11 2008-04-11 13:17:19 by fwq4993329
求软件及教程 5 (0/177) vvkaka 2008-04-11 2008-04-11 12:11:39 by vvkaka
4－乙酰基丁酸乙酯的用途（cas:13984-57-1） 20 (0/201) lwp112 2008-04-11 2008-04-11 11:37:06 by lwp112
求：屏幕录像专家 V7.5 的注册码 (5/136) dcb005 2008-04-06 2008-04-11 10:28:18 by jlm5325
求教：用这对引物PCR时确定怎样的Tm值合适？ 1 (1/1044) mdh2493 2008-04-11 2008-04-11 10:20:56 by lily0501891
求一篇等离子熔覆刚玉的资料 1 (0/42) sdkjzb 2008-04-11 2008-04-11 10:18:45 by sdkjzb
红外光谱处理软件omnic 6.0的解压安装问题（二十六个压缩包）    ( 1 2 ) 1 (19/954) tiantangniao100 2008-04-10 2008-04-11 10:02:39 by 风声
【求助】 DEAE SEPHADEX A 50 能不能用pH 6.8磷酸盐缓冲液平衡？ 2 (0/161) lzangelfish 2008-04-11 2008-04-11 10:02:36 by lzangelfish
氯化钡对肠道平滑肌的药理作用与机制 2 (金币≥20)(0/18) 追梦人dreamer 2008-04-11 2008-04-11 10:00:38 by 追梦人dreamer
[放弃求助]RGD或者RGDC多肽在什么情况下能带正电或者负电荷？ 8 (1/788) sweet711 2008-04-11 2008-04-11 10:00:23 by sweet711
求: 亚硫酸钠的最高分解温度 2 (6/898) jinch0417 2008-04-03 2008-04-11 09:51:18 by dujianli
怎么在论坛里弄自定义头像？ (5/485) 最爱林俊杰 2008-03-02 2008-04-11 09:46:00 by flyinsnow1981
发光问题 5 (2/127) chgj2000 2008-04-10 2008-04-11 09:44:04 by chgj2000
网络问题求助 (5/205) 吴婉卿 2008-04-05 2008-04-11 09:27:04 by 吴婉卿
求：一篇让我魂牵梦绕到文章 (8/255) 爱丫 2008-04-03 2008-04-11 09:18:10 by zwjcsu
谁有化工企业标签使用管理制度 5 (0/47) Jonathan_Gong 2008-04-11 2008-04-11 09:08:36 by Jonathan_Gong
焦谷氨酸的单字母和三字母是什么？ (2/541) peterretep 2008-04-10 2008-04-11 08:57:03 by leonumn
求助己二酰肼的溶解性 4 (1/547) rainbow1859 2008-04-10 2008-04-11 08:29:49 by cc797
请教做微生物燃料电池的朋友 5 (5/165) Q宠宝贝 2008-04-09 2008-04-11 08:21:53 by 方丈911
求教多层量子阱的XRD模拟软件 5 (0/105) pfyan 2008-04-11 2008-04-11 08:17:33 by pfyan
紧急求助目前药用甲基硅油的价格？？有黏度和规格之分吗？（求助结束） (3/144) xhzyyangyang 2008-04-10 2008-04-11 08:14:51 by xhzyyangyang
苯甲酰胺的合成具体的操作步骤 (4/151) susanfu 2008-04-10 2008-04-11 00:05:35 by briskyang
4－乙酰基丁酸乙酯的用途（13984-57-1） 17 (5/193) lwp112 2008-04-10 2008-04-10 23:51:14 by briskyang
请问现在买哪款数码相机性价比最高    ( 1 2 3 ) (24/759) lindan0107 2008-04-08 2008-04-10 23:20:20 by lufuhao
网上读书园地邀请码    ( 1 2 ) 2 (10/471) fgoshawk 2008-04-08 2008-04-10 22:45:11 by 醉乡常客
有关标准曲线的作法,急,在线等,谢谢![求助完成] (9/237) limin337 2008-04-10 2008-04-10 22:31:19 by sunyundong1981
求助！诺基亚6300液晶屏损坏更换 上海的维修地址和价位 (3/125) barbchen717877 2008-04-10 2008-04-10 21:35:52 by Honey993
空气中氮氧化物测定 (3/120) 影泉 2008-04-10 2008-04-10 21:25:17 by 影泉
紧急求助：有没有虫友用CHI660B的？(已完成) 85 (2/111) starry348 2008-04-10 2008-04-10 21:13:52 by duxuan
配位化学有没有高手，问题期待解决！！！我要崩溃了 5 (1/146) god820403 2008-04-10 2008-04-10 21:05:52 by hobbyzhang
如何将UV-VIS DRS 中的反射率转换成吸光度？？？？ 5 (7/2139) hejianlovexf 2008-04-09 2008-04-10 20:43:23 by meizi2007
求助成功。 (4/223) rainbow521 2008-04-10 2008-04-10 20:26:45 by rainbow521
如何画树及树叶? (3/158) zhengyong4320 2008-04-05 2008-04-10 19:40:58 by 1418314
求助两个木马的清除方法 (3/147) hxall 2008-04-09 2008-04-10 19:26:11 by 1418314
推荐几个查化学用品的网址 1 (3/169) jiahu_fxl 2008-04-10 2008-04-10 19:01:39 by di2006
求教关于锌的点蚀机制 10 (0/150) LeoZhang 2008-04-10 2008-04-10 18:58:45 by LeoZhang
气相色谱气体管线清洗方法 (4/112) nickma 2008-04-07 2008-04-10 18:43:39 by leiopixie
[学术实验] 求助完结，请版主返金币，谢谢 8 (金币≥1)(5/118) liuwo 2008-04-07 2008-04-10 18:30:49 by leiopixie
有没有人使用过Minimate TFF Capsule？ 20 (0/453) barbara0211 2008-04-10 2008-04-10 18:08:22 by barbara0211
求购一张超星10年卡 10 (0/99) killl 2008-04-10 2008-04-10 17:45:44 by killl
电脑高手进-急急急！ (9/218) dcb005 2008-04-10 2008-04-10 17:38:49 by xxh8372
百里香和铁杆蒿哪个群落出现的早？ 3 (0/51) huajuan_love 2008-04-10 2008-04-10 17:19:23 by huajuan_love
求恩雅的mp3合集 3 (3/128) dcb005 2008-04-09 2008-04-10 16:04:10 by kangaoo
求赢政天下的邀请码 1 (1/61) mythomas 2008-04-10 2008-04-10 16:02:03 by mythomas
校园网内几个链接，帮忙下载。    ( 1 2 ) 4 (评阅-2) (17/498) alicew 2008-03-25 2008-04-10 16:01:09 by alicew
百里香和大针茅哪个群落出现的早？ 3 (1/55) huajuan_love 2008-04-10 2008-04-10 15:25:27 by liujianv831
【求助】粘度系数查询 5 (0/99) tanshubo2005 2008-04-10 2008-04-10 14:55:24 by tanshubo2005
[关贴]卡巴斯基更新后占用空间越来越大，怎样进行设置使每次更新都能覆盖上一次的？ 5 (6/220) feixiang312 2008-04-09 2008-04-10 14:43:20 by feixiang312
请教Waisel盐生植物学专家的详细资料 6 (0/60) 六味地黄丸 2008-04-10 2008-04-10 13:43:53 by 六味地黄丸
如何获得全文？ (3/124) pissor 2008-04-10 2008-04-10 13:37:13 by pissor
【求助】付金币急求防火墙 (3/183) pissor 2008-04-09 2008-04-10 13:35:19 by pissor
求钱姓男名    ( 1 2 3 4 ) (31/581) qycatty 2008-04-08 2008-04-10 13:02:09 by yuanbolark
Journal of Polymer Science Part A: Polymer Chemistry 投稿请教 10 (1/215) freewgp 2008-04-10 2008-04-10 12:57:29 by doudou580
请教：有色金属溶液中锡的定性检测 3 (1/64) winsome 2008-04-10 2008-04-10 12:38:32 by nucleus01
泥浆发红 1 (0/50) wwl251690338 2008-04-10 2008-04-10 12:26:35 by wwl251690338
急求2008年合肥市公务员入围名单 (4/132) flyzhangli 2008-04-10 2008-04-10 11:49:18 by dixwish
求助：如何删除Trojan.DL.win32.Mnless.zex (4/166) guoying19820403 2008-04-09 2008-04-10 11:27:13 by guoying19820403
英文催稿信 (3/423) 学员Yuy89B 2008-04-10 2008-04-10 10:44:33 by hzwdzdf
为何我的word文档无法转化为PDF文件 (8/267) xinkaifish 2008-04-10 2008-04-10 10:18:01 by 其实不想走
N,N-二异丙基乙胺如何干燥除水？ 6 (6/690) xuanliao2009 2008-04-07 2008-04-10 09:53:30 by guessdream
和大家讨论关于mp2的问题 2 (0/87) yaowenzhi 2008-04-10 2008-04-10 09:43:30 by yaowenzhi
求助Cucl的工业制备方法以及实验室的制备！！ 1 (1/96) 快乐小黑 2008-04-07 2008-04-10 09:16:29 by magic_z820
求 NICOLET Omnic 7.3中文正式版 (5/261) jackliu 2008-04-07 2008-04-10 08:31:28 by 芹菜炒萝卜
既然没有人知道取消求助了 3 (7/137) lovelitingweibo 2008-04-09 2008-04-10 08:18:01 by lovelitingweibo
急问：word文档中的MATLAB图形转化为PDF文件之后变模糊 (5/164) xinkaifish 2008-04-10 2008-04-10 06:34:45 by xinkaifish
急求阿司匹林的紫外吸收、红外图谱、质谱图、NMR谱图？ (3/462) hongmin8181 2008-04-09 2008-04-10 01:05:10 by hobbyzhang
Qbasic软件问题 5 (6/122) 乔老爹 2008-04-09 2008-04-09 23:41:55 by tibetebit
求助完成(论文如何转换为正常格式？)    ( 1 2 ) (11/511) violetro 2008-04-09 2008-04-09 23:23:05 by xxh8372
表面电阻值如何换算 5 (2/119) asdfg001993 2008-04-08 2008-04-09 22:58:50 by zxiaochao
近期想购买个无线路由器，请大家给我推荐个！谢谢！    ( 1 2 ) (13/284) 如风浪子 2008-04-09 2008-04-09 22:58:39 by 如风浪子
求:岩石薄片研究指导 10金 10 (1/118) shanfei01104221 2008-04-09 2008-04-09 22:15:28 by duxuan
已求，谢谢 20 (3/199) dapeng_njust 2008-04-09 2008-04-09 21:46:23 by coffee424907
【求助】急求防火墙 (2/103) pissor 2008-04-09 2008-04-09 21:37:38 by pissor
笔记本购买求助    ( 1 2 ) (14/413) xustar 2008-04-07 2008-04-09 21:12:20 by huyong133
溶质溶解后溶液体积明显增大？？    ( 1 2 ) (12/305) tana3599102 2008-04-02 2008-04-09 21:12:16 by sayyousayme381
如何将溴代芳烃转化为碘代芳烃? 8 (7/272) blueskyami 2008-04-07 2008-04-09 21:01:24 by meizi2007
求助单体精制的方法！（谢谢） 2 (2/255) 329920466 2008-04-09 2008-04-09 20:05:20 by duf0815
求阿果资源网邀请码（已完成） (5/166) ahui2008 2008-04-09 2008-04-09 19:25:57 by dixwish
重要文件丢失，哪位好心人帮助恢复 (7/182) neuroclong 2008-04-08 2008-04-09 19:08:23 by niufeng
求cnki能下载硕士论文的入口 5 (7/448) willmyth 2008-04-09 2008-04-09 18:59:38 by niufeng
寻求CAJ黑屏问题(已解决） (2/113) 方丈911 2008-04-09 2008-04-09 18:06:45 by liangzi
求教word的问题，怎样把不同文档弄在一起？ (9/574) 童心111 2008-04-09 2008-04-09 18:00:52 by xxh8372
有谁知道CZ单晶硅中氧含量的理论分布公式？谢啦 1 (0/69) vanhalen76 2008-04-09 2008-04-09 17:42:54 by vanhalen76
已求 2 (2/107) dapeng_njust 2008-04-09 2008-04-09 17:35:52 by 北斗星星
如何合成苯丙烯啊，谢谢 1 (2/166) jiejue914 2008-04-09 2008-04-09 16:54:05 by 北斗星星
求书《吸附、比表面与孔隙率》    ( 1 2 ) (11/611) 城市木马人 2008-04-09 2008-04-09 16:07:35 by hcb04
请教“系统资源不足，无法完成请求的服务”问题的解决方法 (1/122) happyfjy227 2008-04-09 2008-04-09 16:06:56 by dujianli
纤维增强在阻尼材料中的应用问题（完毕谢谢） (1/118) pipiluxixi 2008-04-09 2008-04-09 15:17:43 by duxuan
求助书籍:李昌厚 紫外可见分光光度计 45 (7/503) zhaoyongqiang 2008-04-09 2008-04-09 15:14:42 by duxuan
求助投稿规则 5 (6/230) tdxin 2008-04-08 2008-04-09 15:10:11 by tdxin
求cas号 (5/202) hongmei-613 2008-04-08 2008-04-09 15:09:46 by tianzhaojun
试验设备价格 (2/158) courage 2008-04-08 2008-04-09 15:04:09 by shanshunan
求助氯化亚锡溶液变黄原因 (5/384) 2007123456 2008-04-09 2008-04-09 14:56:24 by 2007123456
我想在PDF文件的右上角写几个字，怎么写上去？谢谢。    ( 1 2 3 ) 2 (20/991) peterretep 2008-04-06 2008-04-09 14:46:53 by 会爬的小木虫
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