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    [热点] 投稿精细化工 huashmo 2025-12-20 刚刚
    乙醇钠溶液为什么变黄 (7/617) juventus18 2007-12-19 2007-12-19 17:02:06 by zmcs1314520
    求助如何将钯和硼化镍洛合到二氧化硅上？ 3 (4/236) heart420 2007-12-19 2007-12-19 16:55:36 by wangxh231
    求α-氯代萘的除水处理方法 (3/56) meng1981 2007-12-19 2007-12-19 16:46:39 by zhuzi-1983
    求能溶解对叔丁基苯甲酸的溶剂 2 (3/239) david27149 2007-12-19 2007-12-19 16:41:11 by zhangyu7901
    求助两本书！ (4/113) mawenjun 2007-12-19 2007-12-19 16:38:17 by weixiaobao-000
    实验中的一个实际问题 2 (7/152) 24040 2007-12-18 2007-12-19 14:00:02 by 24040
    20金币求关于细胞色素c和一氧化氮 10 (2/195) cxayumi 2007-12-18 2007-12-19 13:28:56 by cxayumi
    不明白生物缩写的含义 (1/242) dingbaiyu107 2007-12-19 2007-12-19 12:58:25 by christopher830
    5币求购一个电脑公司特别版论坛的注册邀请码 5 (0/73) ouhzihz 2007-12-19 2007-12-19 12:27:36 by ouhzihz
    急求能促进尿素分解的方法或添加剂！先谢谢啦 2 (0/93) dapeng82 2007-12-18 2007-12-19 11:45:49 by dapeng82
    巴氯芬的合成 2 (0/124) LUOLIYIBIN 2007-12-18 2007-12-19 11:45:35 by LUOLIYIBIN
    离子电导率和迁移速度及溶剂的介电常数关系 3 (0/363) sinanolu 2007-12-18 2007-12-19 11:45:32 by sinanolu
    看不到硫代硫酸钠标定终点怎么回事？ (4/261) yoghurt25 2007-12-19 2007-12-19 11:34:33 by love14xu
    求尚姓男孩姓名    ( 1 2 3 4 5 6 .. 8 ) 1 (74/868) shangxingfu 2007-12-17 2007-12-19 11:34:14 by zulijay
    求助菌种 (3/99) iamxiongzhidong 2007-12-19 2007-12-19 11:08:46 by nmliujianguo
    重氮化反应 (4/318) yinlingling7839 2007-12-19 2007-12-19 11:05:47 by 112113
    为禹姓小孩起名    ( 1 2 3 4 ) (32/523) zjp0403 2007-12-15 2007-12-19 10:53:58 by liaoren5
    请教晶体结构数据 20 (2/197) fwq4993329 2007-12-12 2007-12-19 10:22:05 by totobie
    均匀化实验分析软件 (3/73) wangqiang821 2007-12-17 2007-12-19 10:02:01 by xiangyongwang08
    论文投稿求助，急用！ 1 (6/437) 翘楚 2007-12-19 2007-12-19 09:53:35 by dragong
    raman光谱中的半高宽变大会由于哪些原因？ (7/218) 十年少 2007-12-18 2007-12-19 09:50:44 by totobie
    matlab,数列组合问题！ 1 (7/103) happydan 2007-12-04 2007-12-19 09:30:43 by happydan
    为孙姓女孩起名    ( 1 2 3 4 ) (30/674) hanbing109 2007-12-17 2007-12-19 09:27:31 by yanashumiao
    哪些学校可以在职申请化学化工类博士？    ( 1 2 3 ) (21/1022) skyang 2007-12-17 2007-12-19 09:24:21 by tongxiangcai
    求助结束：翻译韩文网站首页 该网站的主要内容 9 (1/158) lyyclxl 2007-12-19 2007-12-19 09:14:42 by daixj21
    帮忙找首歌曲 1 (4/172) chuhua 2007-12-17 2007-12-18 23:36:32 by wjhinsect
    今日俺生日,祝福我吧    ( 1 2 3 4 5 6 .. 43 ) (422/3275) sxm8646 2007-12-15 2007-12-18 23:14:30 by lovestory
    羟基和胺基之间有什么作用（已结束，非常感谢） (2/616) sinanolu 2007-12-18 2007-12-18 23:10:40 by lovehappy2008
    诺拉曲特中间体的纯化 3 (4/170) 文献 2007-12-14 2007-12-18 22:54:48 by 文献
    求助华硕笔记本的内存升级问题 (5/264) haironglove 2007-12-18 2007-12-18 21:39:46 by wdj_123
    推荐一下免费快速下载MTV的网站吧 (9/232) chuhua 2007-12-04 2007-12-18 21:28:57 by wujil
    U盘问题    ( 1 2 3 ) 5 (22/805) luckygf 2007-12-16 2007-12-18 21:26:39 by luckygf
    求免费建数据库的软件。 (8/241) mxxmc 2007-12-16 2007-12-18 21:23:46 by wujil
    求助：吸入这些有毒气体怎么办？    ( 1 2 3 4 ) (35/1281) zjy0121 2007-12-16 2007-12-18 21:13:06 by boxue
    旋光 (0/117) amazing_3 2007-12-18 2007-12-18 21:10:51 by amazing_3
    pecs/g是什么意思？ (6/300) 五月花 2007-12-18 2007-12-18 20:47:12 by zhanglb130
    求助：加通轮胎工资待遇多少？（前10人有，斑竹带帮忙发送）    ( 1 2 ) 1 (评阅-10) (13/1007) swanbh 2007-12-17 2007-12-18 19:35:41 by yangyasheng
    5个金币修改一句英文    ( 1 2 ) 5 (11/383) hpf5132001 2007-10-25 2007-12-18 19:02:09 by chj406
    求助：酰胺脱水成腈！ 2 (3/176) jqj6370075 2007-10-30 2007-12-18 18:56:58 by chj406
    求教使用代理上网问题 1 (1/86) bjwlbf 2007-12-15 2007-12-18 18:18:52 by xianhuiduo
    如何进行PS交联？ 1 (1/97) xiazai159 2007-12-17 2007-12-18 18:16:32 by jkf1860
    请大家谈谈生命科学领域的化学问题及其思考！谢谢！ 5 (2/75) happytangchen 2007-12-17 2007-12-18 18:14:04 by 么辣子
    怎样提取分离二苯乙烯类化合物 1 (1/201) xujiaolong 2007-12-12 2007-12-18 18:13:01 by pantera
    帮忙用emule下载两个pdf文档 (3/177) mingkeng 2007-12-18 2007-12-18 18:11:48 by wangzy1000
    ISI WEB OF SCIENCE怎么才能登陆进入！！没有帐号呢！ 1 (3/159) hongmin8181 2007-12-17 2007-12-18 18:05:15 by 么辣子
    求 可查询相图网站 （特别是气液相图） 1 (0/242) 一尾小白狐 2007-12-12 2007-12-18 17:57:51 by 一尾小白狐
    分光光度计配备的积分球可以测量藻类水体的反射光谱吗 1 (0/196) kbo2007 2007-12-13 2007-12-18 17:57:39 by kbo2007
    【求助】价格性能合适的消解仪，用于测定凯氏氮 2 (1/120) zephyrlynn 2007-11-26 2007-12-18 17:57:34 by zephyrlynn
    求助江苏省历年教师资格证（中学）真题答案 6 (1/191) organicls 2007-12-12 2007-12-18 17:57:24 by organicls
    咨询酒精废水和番茄废水的处理工艺 10 (0/140) hahajing0513 2007-12-15 2007-12-18 17:56:13 by hahajing0513
    求助莽草酸标准曲线 3 (0/207) djl9560 2007-12-15 2007-12-18 17:56:06 by djl9560
    求助Endnote数据库 4 (0/180) ggq0216 2007-12-16 2007-12-18 17:55:24 by ggq0216
    双二四硫化产物 2 (1/88) hulalaxixi22 2007-12-17 2007-12-18 17:39:57 by hulalaxixi22
    求上海中医药大学针灸、英语、中基考博真题或练习题 (1/431) xuleqin 2007-11-29 2007-12-18 17:38:51 by xuleqin
    求助两个刻录问题（部分已解决）    ( 1 2 ) 13 (12/253) sheng75358131 2007-12-16 2007-12-18 17:20:29 by banjunfeng
    百里香酚蓝指示剂配制方法——测不饱和树脂里酸值 7 (3/231) 风声 2007-12-17 2007-12-18 17:18:25 by 风声
    有谁知道有机溶剂苯基羟胺(又叫苯胲)哪里有买啊? 5 (2/162) guolong6621167 2007-12-18 2007-12-18 16:50:36 by guolong6621167
    重金急求700度左右分解制氧的物质 (4/71) 垃圾虫218 2007-12-18 2007-12-18 16:28:00 by pinnychan
    求固体碱催化剂碱量测定方法 3 (1/70) wr12580 2007-12-18 2007-12-18 16:10:59 by wr12580
    帮我投张票，送您1金币    ( 1 2 3 4 5 6 .. 90 ) (898/10582) xjxlovelxl 2007-12-11 2007-12-18 15:55:28 by yanpuxuan
    纳米硅胶的SEM 1 (2/95) subway_ma 2007-12-18 2007-12-18 15:33:24 by subway_ma
    请问用SRXAS方法怎么研究PCs（植物螯合肽）和MT（硫醇）的结构 2 (1/166) lionlxw 2007-12-18 2007-12-18 14:35:05 by duguzi
    求轧钢综述 (2/92) sainthaw 2007-12-18 2007-12-18 14:18:43 by sainthaw
    化学品电子手册 1 (5/215) warmwater 2007-12-09 2007-12-18 14:15:10 by laidewanle
    求 帕瓦罗蒂《女人善变》视频 (3/204) bear2007 2007-12-18 2007-12-18 13:46:49 by sxyxs13754
    关于钼丝的处理（金币＋到20个，麻烦版主） 5 (1/163) changshazzz 2007-12-18 2007-12-18 13:38:33 by totobie
    电脑升级    ( 1 2 3 4 ) (32/696) 5652447 2007-12-16 2007-12-18 13:00:31 by chuhuan_02
    请教聚合物分子量的测定方法    ( 1 2 ) (12/279) babanwangjing 2007-12-11 2007-12-18 12:59:42 by green-time
    急求CNKI、VIP、万方三大数据库检索的FLASH、PPT等教程。 1 (5/221) hongmin8181 2007-12-17 2007-12-18 12:47:49 by chemist229
    【原创首发】笔记本电池！ (4/299) 萝卜头 2007-12-13 2007-12-18 12:16:46 by chemist229
    哪个免费软件能够查到某股票以往交易日集合竞价（虚拟）的成交明细？ 100 (5/266) 东南风 2007-12-10 2007-12-18 11:53:08 by 东南风
    20金币求助江苏大学近几年考博英语 20 (1/229) sxm8646 2007-12-18 2007-12-18 11:09:59 by signal023
    求助一篇文献 3 (金币≥50)(1/57) jack82 2007-12-07 2007-12-18 10:58:44 by littlemouse2006
    请问怎么处理阴离子交换树脂！ 1 (4/177) sinevil 2007-12-17 2007-12-18 09:43:55 by zhenyanweixiao
    请教签约之前该谈什么？    ( 1 2 3 4 ) (39/1285) 童心111 2007-12-16 2007-12-18 09:42:20 by alisha2008
    你认为20年以后生物科学的发展是怎样的？ 2 (8/420) star707 2007-12-11 2007-12-18 09:32:14 by 随风而过
    求word转pdf以及pdf转word的两款软件（求助结束，金币已给付） (6/327) 斜斜夕照 2007-12-15 2007-12-18 09:31:33 by lilvjun
    [求助成功]重金求购卡巴斯基 Personal Pro 版本KEY！    ( 1 2 3 ) (25/785) limingtiaan2 2007-12-16 2007-12-18 09:11:05 by hsmls13
    求助FTIR分析软件，谢谢大家鼎力相助！ 8 (6/492) yangmin0904 2007-12-16 2007-12-18 09:08:07 by yangmin0904
    [关贴]谁有安徽工业大学的化工专业的考研试题 (评阅-100) (2/94) sdss005 2007-12-17 2007-12-18 09:00:03 by zzgyb
    IE浏览器登陆某些帐号的问题（结束求助，电脑问题！请版主帮忙转金币）    ( 1 2 3 ) 5 (评阅-5) (20/580) cuizh2001 2007-12-13 2007-12-18 08:38:10 by cuizh2001
    紧急求助电脑知识！    ( 1 2 ) 1 (16/636) 刘洪光 2007-12-09 2007-12-18 01:45:22 by zhouyao0651
    如何测定Hg2Cl2 (金币≥6)(3/36) liguanghui 2007-12-17 2007-12-18 00:05:23 by flash6669
    成功应助 电脑高手来啊    ( 1 2 3 ) (22/430) 12lubing 2007-11-30 2007-12-17 23:29:57 by lovehappy2008
    求助两本书-10金币每本 1 (评阅-10) (2/184) barium 2007-12-17 2007-12-17 23:29:02 by dedream
    【悬赏】收易趣活动手机验证码1JB/个 10 (3/176) y5938067 2007-12-17 2007-12-17 22:19:08 by y5938067
    求助结束    ( 1 2 ) (12/147) 电泳 2007-12-17 2007-12-17 22:01:14 by mole127
    谁有这本书《化工问题的建模与数学分析方法》？ 10 (2/275) coolcj 2007-12-17 2007-12-17 21:50:41 by coolcj
    Mp3有的图片不能看，书签保持不了记忆 1 (2/52) chuhua 2007-12-17 2007-12-17 21:46:27 by totobie
    弱弱地问一句，怎么设置自定义头像啊 (3/103) yuzhan 2007-12-17 2007-12-17 21:34:49 by yuzhan
    质谱要求的纯度高不高啊 (6/170) yinlingling7839 2007-12-17 2007-12-17 21:25:34 by yuzhan
    了解阴离子交换树脂的帮帮忙! 7 (1/87) sinevil 2007-12-17 2007-12-17 21:18:53 by 水虫
    大家帮我看看这是什么文献(谢谢大家了 很有收获) (8/237) wangshasha 2007-12-16 2007-12-17 20:34:34 by yogasplendid
    请教产物 4 (5/99) liufangshuling 2007-12-05 2007-12-17 20:16:44 by huaxiwanglt
    征名(女孩)    ( 1 2 3 4 ) (35/472) chenjei027 2007-12-15 2007-12-17 19:51:38 by 元小雪
    请教南大同位素室的电话及地址 2 (1/71) yf523180 2007-12-17 2007-12-17 19:26:27 by pantera
    戊二醛稀释 1 (5/192) perennials 2007-12-10 2007-12-17 19:09:48 by hero3_gpj
    索求丛宝宝姓名    ( 1 2 3 ) (28/365) ccjjyy_02 2007-12-01 2007-12-17 17:42:20 by zhouhaiqing
    请问脱模剂使用需要注意些什么问题 1 (1/118) lstianli 2007-12-17 2007-12-17 17:07:30 by daixj21
    求助硅酸铜的生成焓等热力学参数 (3/230) clearliu_101 2007-12-12 2007-12-17 16:57:51 by Dream_鬼鬼
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