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[热点] 拟解决的关键科学问题还要不要写 xps5000 2026-01-19 刚刚
[合成制备] 制备含有一定量聚合物的PAM凝胶出现的问题 (3/731) mierbushiwo 2013-05-19 2013-05-20 01:25:33 by glx802400
[合成制备] [已完结]β-环糊精与戊二醛的聚合 (0/817) ELEVEN784533 2013-05-13 2013-05-19 17:50:29 by ELEVEN784533
[合成制备] [已完结]溴苯只格式试剂,没引发颜色就消失了是什么情况 (2/1081) lifebrave 2013-05-19 2013-05-19 17:01:30 by Meteorの泪
[合成制备] [已完结]急求异氰酸酯与丙烯酸羟乙酯反应的详细方法!!! (0/2024) yeahjonathan 2013-05-19 2013-05-19 10:45:11 by yeahjonathan
[合成制备] [已完结]聚合物反应中残留的催化剂怎么去除 (4/1572) chairman国家 2012-10-06 2013-05-19 08:16:36 by theseachem
[合成制备] [已完结]求去DMAC的方法啊? (6/1510) 暮春姑娘 2013-05-16 2013-05-18 21:36:04 by Meteorの泪
[合成制备] 圆底烧瓶能拿来超声么?要七八个小时的样子。。用混酸处理碳纳米管    ( 1 2 3 ) (22/4270) ijanie 2011-06-17 2013-05-18 10:14:19 by 轩辕独孤云
[合成制备] [已完结]求助 关于核壳结构聚合物乳液稳定性 (4/850) lx6471924 2013-04-15 2013-05-18 10:08:39 by leechaolong
[合成制备] [已完结]聚丙烯酸酯乳液与颜填料的结合力问题    ( 1 2 ) (18/1751) finnan 2012-10-09 2013-05-17 19:49:16 by mcmfly
[合成制备] 聚合物合成,2,5-双(三丁基甲锡烷基)噻吩,合成聚合物 (2/408) sopphia 2013-05-17 2013-05-17 14:47:59 by haixiawu
[合成制备] DMPA和TMP的反应活性 (11/902) liuzx77 2013-05-16 2013-05-17 13:59:17 by haixiawu
[合成制备] [已完结]三聚氰胺能参入的反应 (0/276) zhangsw0723 2013-05-17 2013-05-17 11:34:54 by zhangsw0723
[合成制备] [已完结]有没有人能帮我看看这个买的原料里的杂质是什么? (5/784) shifukuan 2013-05-16 2013-05-17 08:42:03 by shifukuan
[合成制备] 制备反应 (0/251) 快乐小熊952 2013-05-16 2013-05-16 20:32:09 by 快乐小熊952
[合成制备] [已完结]工业氯化聚氯乙烯 (6/957) 我不爱吃糖啊 2013-05-14 2013-05-16 11:32:25 by dasfmxee
[合成制备] 急!!非离子聚氨酯一直乳化不成功。。。同行的请进。 (21/2758) huyangfei 2012-08-15 2013-05-16 08:28:10 by yonghe615
[合成制备] [已完结]DMF做溶剂合成的丙烯酸树脂为黄色 (0/1186) dongxiao7379 2013-05-15 2013-05-15 23:44:28 by dongxiao7379
[合成制备] 微乳液聚合的SDS/CA做乳化剂,其中CA能用十二烷醇代替吗 (1/426) opaler 2013-05-15 2013-05-15 18:23:28 by opaler
[合成制备] [已完结]木质素交流 (1/401) 板鞋 2013-04-16 2013-05-15 16:32:52 by zzw1230
[合成制备] [已完结]可以溶甲基纤维素的溶剂,需要比水挥发性低,大家指点下 (0/679) 山岚 2013-05-15 2013-05-15 16:12:52 by 山岚
[合成制备] [已完结]残留单体测定 (1/639) 清馨怡笑 2013-05-15 2013-05-15 09:29:43 by Dr_Jesse
[合成制备] [已完结]酯化反应条件 (0/345) 啃书一族 2013-05-15 2013-05-15 08:30:21 by 啃书一族
[合成制备] [已完结]求问一下 无水情况下可以制备酸性酚醛树脂么 有没有相关文献啊 求助各位大神 (3/595) feixiangrui 2013-05-12 2013-05-14 16:18:58 by mingde
[合成制备] [已完结]马来酸酐升华问题!! (3/2828) tang_aocn 2013-05-09 2013-05-14 15:49:07 by tang_aocn
[合成制备] [已完结]KH550水解是可逆反应吗? (0/654) pangpangqun 2013-05-14 2013-05-14 11:03:47 by pangpangqun
[合成制备] [已完结]聚氨酯预聚体的合成 (3/811) 星落无声 2013-05-13 2013-05-13 22:01:45 by 星落无声
[合成制备] [已完结]苯丙乳液熔融指数 (4/807) 无语8598 2013-05-09 2013-05-13 17:02:17 by 无语8598
[合成制备] [已完结]邻苯二酚是否与酰胺键或酯键反应? (3/911) yalin0124 2013-05-13 2013-05-13 15:49:04 by w03wei
[合成制备] [已完结]AMPS的提纯方法 (7/1660) 小试身手 2013-05-11 2013-05-13 15:43:30 by dasfmxee
[合成制备] 【求助】丙烯酸酯聚氨酯    ( 1 2 3 4 ) (31/2181) 笋尖 2010-03-27 2013-05-13 13:29:56 by 304520318
[合成制备] 求教聚合物合成方面的问题 (7/1072) hw880702 2013-05-10 2013-05-13 11:15:53 by heisling
[合成制备] [已完结]关于丙烯酸树脂四元共聚物的制备 (0/374) fs83321047 2013-05-13 2013-05-13 11:08:09 by fs83321047
[合成制备] [已完结]如何去除苯丙乳液中的残存乳化剂 (7/1572) 岸北 2013-05-13 2013-05-13 10:46:36 by 岸北
[合成制备] [已完结]请教一下耐酒精稀释的半透明乳液如何做啊? (0/491) vison95 2013-05-13 2013-05-13 10:25:06 by vison95
[合成制备] [已完结]缩醛反应求助 (8/1290) 中国小挺 2012-05-08 2013-05-13 05:52:01 by zhang9651
[合成制备] [已完结]PES的合成工艺设计 (0/275) 韩卿 2013-05-12 2013-05-12 21:22:20 by 韩卿
[合成制备] [已完结]抗氧剂 (2/350) sky060341004 2013-05-10 2013-05-12 13:40:19 by dasfmxee
[合成制备] [已完结][关贴]端乙烯基硅油RH-Vi 305是什么结构 (0/728) seatianxia 2013-05-12 2013-05-12 12:17:29 by seatianxia
[合成制备] [已完结]求助 重结晶需要的具体仪器及具体操作步骤 (4/2301) 路人南 2012-04-21 2013-05-12 08:25:29 by zyycm
[合成制备] [已完结]HIPS/ABS制备过程分析 (8/1168) liweiyu8 2013-04-03 2013-05-11 20:12:33 by liweiyu8
[合成制备] [已完结]聚氨酯预聚体的R值和扩链剂R (0/1479) 小弧胍 2013-05-11 2013-05-11 17:32:35 by 小弧胍
[合成制备] [已完结]甲基乙烯基硅橡胶 (1/1416) frighter24 2012-11-10 2013-05-11 17:29:08 by black_mamba
[合成制备] [已完结]聚氨酯合成中加入PPG后变成不透明的乳黄色了    ( 1 2 ) (12/1975) miduoqi14 2013-05-06 2013-05-11 16:11:04 by 小弧胍
[合成制备] [已完结]聚醚型聚氨酯涂料的生产工艺。(双组分) (1/537) liyan6663 2013-05-11 2013-05-11 15:26:14 by wanzj
[合成制备] [已完结]嵌段聚合物在PBS溶液中沉淀 (6/1029) 东少 2013-05-08 2013-05-11 11:04:19 by plimsoll1
[合成制备] [已完结]求苯乙烯聚合时苯乙烯密度、体积随转化率变化的相关文献 (0/759) tanming 2013-05-11 2013-05-11 10:33:25 by tanming
[合成制备] [已完结]当前氧化石墨烯氧化程度能达到多高? (0/1389) wqfshg 2013-05-11 2013-05-11 10:29:48 by wqfshg
[合成制备] 什么叫做PA-CL型共聚物啊,怎么搜搜不到 (1/391) nidibaba 2013-01-11 2013-05-11 09:33:30 by nidibaba
[合成制备] [已完结]一种两亲性接枝高聚物制备 (0/470) guofangyuan 2013-05-10 2013-05-10 21:01:23 by guofangyuan
[合成制备] [已完结]请问怎么从国外直接购买样品 (2/512) tigerlfc 2013-05-10 2013-05-10 12:36:07 by tigerlfc
[合成制备] [已完结]甲基苯基二氯硅烷    ( 1 2 ) (17/1290) 分隔符 2013-03-08 2013-05-10 12:10:06 by 分隔符
[合成制备] 有关于聚酯合成遇到的问题 (17/1624) lht8597 2012-12-06 2013-05-10 07:06:38 by s00992592
[合成制备] [已完结]碱厂用内衬袋 (0/254) jianhouxifen 2013-05-09 2013-05-09 22:28:51 by jianhouxifen
[合成制备] MPEG-PLA合成抽滤后为什么会变成液体状 (14/1077) 虫虫虫虫虫子 2013-05-02 2013-05-09 19:46:03 by 虫虫虫虫虫子
[合成制备] [已完结]合成聚氨酯的分子量过高怎么解决    ( 1 2 3 ) (28/2229) xu0326 2013-04-13 2013-05-09 13:37:02 by daxiaoliyu
[合成制备] [已完结]求教2-(邻-(3',4'-邻苯二甲腈)苯氧基苯)苯并咪唑的合成方法 (1/249) hujianghuai 2013-05-07 2013-05-09 10:40:25 by jimsmart
[合成制备] [已完结]含GMA微球氨基化问题 (1/453) chemhuahua 2012-09-07 2013-05-09 10:17:47 by cliang_scau
[合成制备] [已完结]求助,苯丙乳液 (9/1238) yinguangda 2013-05-06 2013-05-09 09:04:49 by gl-xu
[合成制备] [已完结]超浓乳液聚合油水分离 (6/1240) hy1230 2013-05-07 2013-05-09 08:19:29 by hy1230
[合成制备] [已完结]【求助】苯丙乳液放置一段时间有臭鸡蛋气味 (7/1313) lihuibeyond 2012-11-13 2013-05-09 06:05:43 by gl-xu
[合成制备] [已完结]为什么无水乙醇中总是含有少量的水 (8/1815) andywei2013 2013-05-08 2013-05-09 00:13:25 by yangguang01
[合成制备] [已完结]我要合成一个化合物,需要功率10W左右的红外灯泡,不知道各位虫子知不知道哪有买的啊 (2/471) yanli201051 2013-05-08 2013-05-08 23:34:17 by daijinyue
[合成制备] [已完结]TS-1分子筛催化双氧水的反应 (0/560) lcdxclxy 2013-05-08 2013-05-08 22:23:46 by lcdxclxy
[合成制备] 【求助】ATRP反应问题 (4/1175) taohe279 2010-09-09 2013-05-08 20:42:43 by yuanshaojie
[合成制备] 水性聚氨酯扩链 (11/1362) liuzx77 2013-04-29 2013-05-08 20:11:35 by liuzx77
[合成制备] [已完结]端羟基聚合物的端基改性问题,求助高手    ( 1 2 ) (13/1703) sxiakes 2013-05-06 2013-05-08 17:09:39 by gcs19882006
[合成制备] [已完结]PU NMR (0/128) t7350304 2013-05-08 2013-05-08 14:10:02 by t7350304
[合成制备] [关贴]国内做有机硅的高校、研究所有哪些? (33/4849) k677p003 2013-05-02 2013-05-08 11:59:29 by 80莫莫
[合成制备] [已完结]酯接枝到高分子上水解问题 (5/1081) ljfsophia 2013-05-07 2013-05-08 10:12:22 by yangguang01
[合成制备] [已完结]体形缩聚与超支化的区别呀? (2/425) maomaogogo 2013-05-08 2013-05-08 09:54:50 by maomaogogo
[合成制备] [已完结]聚丁二酸丁二醇酯的合成 (2/268) zinuost0819 2013-05-03 2013-05-08 09:42:15 by 锋卫摇摆人11
[合成制备] [已完结]求一种树脂的具体合成方法 (0/287) zhaoliwei0 2013-05-08 2013-05-08 08:33:53 by zhaoliwei0
[合成制备] [已完结]聚酯合成后大家都怎么取出来?    ( 1 2 ) (13/2030) tracywing 2012-01-20 2013-05-08 06:55:19 by 锋卫摇摆人11
[合成制备] [已完结]关于沉降操作 (1/359) xuchensysq 2013-05-03 2013-05-07 20:32:27 by 玉痴山人
[合成制备] [已完结]求教各位,在强酸性条件下能否制备热固性的酚醛树脂?    ( 1 2 ) (12/1498) masterxie 2013-04-24 2013-05-07 19:36:28 by qsywp
[合成制备] 如何固化金属离子 (1/421) 535743368 2013-05-07 2013-05-07 12:37:07 by love-study
[合成制备] [已完结]苯乙烯可以用作稀释单体不? (5/884) 棉花糖黄瓜 2013-05-03 2013-05-07 10:46:21 by 棉花糖黄瓜
[合成制备] [已完结]水性聚氨酯改性 (8/1248) 黄洁敏 2013-05-02 2013-05-07 09:26:35 by miduoqi14
[合成制备] [已完结]求教DCC缩合和酰氯法的具体操作和注意事项以及使用条件,优缺点! (2/1726) 13574576091 2013-05-06 2013-05-06 22:57:09 by 忧郁夜
[合成制备] [已完结]有机硅(聚二甲基硅氧烷)提纯处理 (0/490) bigworld188 2013-05-06 2013-05-06 21:54:33 by bigworld188
[合成制备] [已完结]聚丙烯酰胺的合成工艺流程图怎么画,急需,各位大侠请传一份,谢谢。 (0/587) xiaoxie215 2013-05-06 2013-05-06 21:20:14 by xiaoxie215
[合成制备] [已完结][关贴]求全文 (0/190) 木懂花开 2013-05-06 2013-05-06 18:21:29 by 木懂花开
[合成制备] [已完结]改性的阳离子木素胺用赤血盐( K3 Fe( CN ) 6 )可以提纯吗 (0/150) tiege5877 2013-05-06 2013-05-06 17:29:05 by tiege5877
[合成制备] 大家帮我分析下 硅橡胶对丙烯酰胺凝胶体系的阻凝原理 (3/640) tankhan 2013-04-25 2013-05-06 15:55:00 by tankhan
[合成制备] [已完结]合成的四元聚合物阻垢剂为何阻垢效率低? (0/416) tianliang123 2013-05-06 2013-05-06 13:57:06 by tianliang123
[合成制备] [已完结]聚丙烯酸铵 (6/632) oh-my-god 2012-04-25 2013-05-06 12:02:02 by 周奎6029
[合成制备] [已完结]求助NMP和聚苯胺以及石墨烯的问题 (7/2409) neomercy15 2013-05-02 2013-05-06 11:26:11 by 80莫莫
[合成制备] [已完结]聚合物合成中怎么控制分子量的分布    ( 1 2 ) (11/2514) 流云义 2013-05-02 2013-05-06 11:19:14 by 80莫莫
[合成制备] [已完结]无皂乳液聚合如何取出聚合的胶体微球? (2/320) 小侯子疯了 2013-05-05 2013-05-06 07:22:20 by scu98wwc
[合成制备] [已完结]ATRP聚合不了!!!头大 (9/2066) BiDe 2012-09-01 2013-05-05 18:29:04 by wangxuepu
[合成制备] [已完结][关贴]求书 (0/168) 落雨sjh 2013-05-05 2013-05-05 14:57:42 by 落雨sjh
[合成制备] [已完结]聚酯多元醇的制备 (2/642) aizaianda 2013-05-02 2013-05-05 07:47:12 by 漂扬者
[合成制备] [已完结]不饱和聚酯合成问题,求教各位大虾 (6/964) ybbhigeje 2013-05-03 2013-05-04 22:33:22 by aids521
[合成制备] [已完结]柱层析问题 (0/369) 快乐的小青青 2013-05-04 2013-05-04 21:09:32 by 快乐的小青青
[合成制备] 合成聚丙烯酰胺时加交联剂    ( 1 2 ) (11/2450) xj1030 2012-02-13 2013-05-04 13:46:39 by 小试身手
[合成制备] [已完结]合成聚乳酸 (2/538) haoyazhen 2012-10-31 2013-05-04 13:17:16 by 我爱圣甲虫
[合成制备] [已完结]正硅酸乙酯合成纳米级二氧化硅最简单的方法 (6/3013) mhy199006 2013-05-03 2013-05-03 23:10:23 by love-study
[合成制备] [已完结]含氟丙烯酸酯织物拒水剂的玻璃化温度一般都在多少 (1/490) huluzi978 2012-04-24 2013-05-03 18:58:19 by 尼格罗
[合成制备] [已完结][关贴]尼龙66合成的工艺参数 (3/1313) 青儿HAPPY 2013-05-03 2013-05-03 18:34:26 by Meteorの泪
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