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
50%最高出勤率

杰出贡献者

[热点] 2024 - Atropisomerism in Asymmetric Organic Synthesis asymmsyn 2026-02-05 刚刚
XRD标准图谱求助 10 (2/391) 546373224 2010-09-13 2010-09-16 10:02:28 by 546373224
求助旋流器的有关信息 1 (博学EPI+1)(3/576) wangji8630692 2010-04-14 2010-09-16 10:00:51 by lizhengjie09
紧急求助 怎么测定中间体盐(小分子)的纯度 是最合适的呢 9 (博学EPI+1)(2/343) 化生子 2010-09-16 2010-09-16 09:39:46 by 化生子
小鼠睡眠实验 2 (5/2795) lovenuan 2010-09-15 2010-09-16 09:33:07 by qfw_68
跪求关于Prodigiosin的文献 3 (博学EPI+1)(2/257) 0809180 2010-09-15 2010-09-16 07:33:56 by qfw_68
求稀土取样标准 40 (博学EPI+1)(2/641) 00410048yanling 2010-09-15 2010-09-16 06:59:16 by limi1
请问那些物质的紫外吸收峰能达到近红外(800-1000 nm)? 5 (博学EPI+1)(3/1226) 小欢 2010-09-15 2010-09-16 02:19:18 by 小欢
【求助】考研路上的一只迷途小羔羊【有效期至2010年10月30日】 16 (评阅+1) (博学EPI+1) (金币≥100)(3/27) philiasophia 2010-09-15 2010-09-16 00:12:41 by jianghz10
分离手性2-丁醇各对映体的意义 4 (博学EPI+1)(3/886) 253002249 2010-09-14 2010-09-15 21:48:32 by qhlisen
[已完结]软件版权问题 (博学EPI+1)(3/418) pengping20 2010-09-13 2010-09-15 19:28:20 by zhouy23
聚醚胺盐酸盐,怎么去除盐酸,得到聚醚胺 2 (5/1425) wanggenlin 2010-09-15 2010-09-15 17:15:17 by wanggenlin
xrd 压片不齐能做吗 2 (3/712) yuan1692 2010-09-09 2010-09-15 13:30:34 by 致死之眠
耦合常数如何求 2 (2/463) shuibian1115 2010-09-14 2010-09-15 12:11:13 by 致死之眠
请教标准充电电流0.5CA,其中CA是什么意思? 2 (3/6549) yuan1692 2010-09-15 2010-09-15 11:49:09 by sanghongyuan
CASTEP中内坐标,结合能及弹性系数如何得到 8 (1/572) 1314beyond 2010-09-14 2010-09-15 10:45:15 by guyudan
CAS号求名字、分子式,55金币~有效期到2010.09.25 15 (博学EPI+1)(5/715) 宋宋86 2010-09-14 2010-09-15 08:59:46 by YUE-jf
2010农业科学与工程国际会议-2010年9月10-11日 澳门 9 (博学EPI+1)(2/396) llz26 2010-09-14 2010-09-15 08:57:44 by llz26
代谢组学中(衍生化方面)急 60 (1/839) 409762063 2010-09-12 2010-09-15 08:25:36 by yuhua0502
酯还原 5 (1/353) shuibian1115 2010-09-14 2010-09-15 00:34:10 by onjie
求《北京串列加速器核物理国家实验室用户手册》 20 (1/469) flash6669 2010-09-14 2010-09-14 20:45:26 by nokeman
求人帮忙设计名片,谢谢! 20 (2/352) gefei178838881 2010-09-13 2010-09-14 19:07:00 by lfycdymax
请问有人投过《化工科技》吗? 8 (博学EPI+1)(4/1219) gudujian1 2010-09-14 2010-09-14 17:09:43 by gudujian1
吐温20与吐温80的区别 2 (博学EPI+1)(2/13217) xiaozuo001 2010-09-14 2010-09-14 16:46:47 by 紫蓝之芯
诚求水杨酸和铜的络合平衡常数 4 (博学EPI+1)(5/1609) tangyuqin 2010-09-14 2010-09-14 16:39:54 by tangyuqin
[已完结]【求助】gaussian优化问题 (博学EPI+1)(2/440) s084730 2010-08-26 2010-09-14 15:52:00 by ts2009
求当前最前沿化学分析手段 29 (博学EPI+1)(4/1570) sunfanfei 2010-08-26 2010-09-14 15:44:16 by ts2009
有关高压反应釜釜体材料问题的咨询 4 (博学EPI+1)(2/444) 快乐chem 2010-09-10 2010-09-14 15:28:54 by ts2009
电纺液的问题 3 (博学EPI+1)(2/404) vavga_zd555 2010-09-09 2010-09-14 15:27:31 by ts2009
电脑重装系统那后endnote数据库没了 14 (博学EPI+1)(6/3688) 裸奔的蚂蚁 2010-09-13 2010-09-14 15:04:06 by carrystar
求 分子前线轨道理论与Click反应 有效期至2010年9月5日 10 (评阅+1) (1/270) 190502203 2010-08-31 2010-09-14 12:08:55 by chendong0625
[已完结]求过柱方法 (博学EPI+1)(5/491) chinali5019 2010-09-10 2010-09-14 12:08:49 by chinali5019
求助:高分子方向的请进 1 (博学EPI+1)(5/810) eason9973 2010-09-14 2010-09-14 11:23:27 by sanghongyuan
为侄女求姓名    ( 1 2 3 4 ) 21 (博学EPI+1)(36/1979) wyw423 2010-09-13 2010-09-14 10:51:58 by yangxiaoli85
天津18所 2 (1/509) ksx0403 2010-09-14 2010-09-14 10:25:21 by qfw_68
实验问题 5 (3/314) 七夜心 2010-09-13 2010-09-14 08:13:00 by zhaohaixing
聚丙烯酸分子量测定公式 3 (博学EPI+1)(1/633) song1022 2010-09-13 2010-09-13 21:06:09 by guoxiaojing
聚环氧氯丙烷分子量的测定 9 (博学EPI+1)(3/601) eason9973 2010-04-22 2010-09-13 21:03:30 by guoxiaojing
想买个手机魅族M8或M9 高手指点下 1 (博学EPI+1)(7/971) Lee_Py 2010-09-11 2010-09-13 18:09:47 by 472381055
化纤油剂 9 (博学EPI+1)(1/355) 雨晴678 2010-09-13 2010-09-13 16:51:16 by qfw_68
英文论文修改 6 (1/378) shaqiezi 2010-09-11 2010-09-13 15:11:40 by 致死之眠
求助高手从豆丁网上下载篇PPT格式的文章 10 (博学EPI+1)(2/462) yuan1692 2010-09-13 2010-09-13 12:21:24 by liwhite
硫酸亚汞(电极)催化 10 (博学EPI+1)(1/819) leonlu 2010-09-08 2010-09-13 10:42:08 by mangonel
请教个比较低级的XRD问题 2 (2/433) yuan1692 2010-09-08 2010-09-13 10:37:37 by qq562676669
二硫化碳可否被氧化分解 5 (博学EPI+1)(3/910) helious007 2010-09-10 2010-09-13 09:28:52 by helious007
关于英文文献中的表述请教 1 (博学EPI+1)(2/595) chen_8722 2010-09-12 2010-09-13 08:45:15 by qfw_68
合成反应 7 (博学EPI+1)(3/336) sdnuzx2009 2010-09-12 2010-09-13 00:28:29 by lidaqiao
岛津液质操作说明 带界面图 8 (博学EPI+1)(2/1462) chen8889 2010-09-11 2010-09-12 22:06:51 by chen8889
求助:高分子方向的请进 3 (博学EPI+1)(5/509) eason9973 2010-09-11 2010-09-12 20:02:06 by laodun
要卖个电泳仪 10 (6/608) hxueren 2010-09-08 2010-09-12 16:25:19 by nokeman
硫化镍中含有硫化锌怎么除去 2 (1/1084) liyurong92 2010-09-11 2010-09-12 14:42:54 by 211985:mad:
游戏时显示无法全屏    ( 1 2 ) 6 (博学EPI+1)(16/1536) yang0502 2010-08-14 2010-09-12 14:34:09 by carrystar
均相反应,两相分离 8 (博学EPI+1)(3/497) mayinhui 2010-09-10 2010-09-11 22:06:28 by arome712
化学结构对毒性的影响 5 (博学EPI+1)(3/1306) luluyao 2010-09-10 2010-09-11 21:58:14 by luluyao
帮忙解一下图 10 (2/327) 582135944 2010-09-11 2010-09-11 21:51:20 by fengtao7905
请问下面这个翻译公司是否为合法的公司,其信誉如何?谢谢 10 (博学EPI+1)(2/1067) liangduoqiang 2010-09-11 2010-09-11 19:40:29 by sanghongyuan
求螺旋藻养殖技术 8 (博学EPI+1)(1/358) frank056 2010-09-11 2010-09-11 19:31:56 by sanghongyuan
怎么用excel做饼形图 8 (博学EPI+1)(3/516) chuhua 2010-08-24 2010-09-11 19:28:18 by chuhua
求助 氢气还原铜载催化剂 5 (3/404) baiyygyeee 2010-09-10 2010-09-11 17:26:17 by baiyygyeee
酵母碳源基础 4 (博学EPI+1)(3/536) 木木杏子 2010-08-26 2010-09-11 16:44:15 by blackber
核磁数据书写的格式 10 (2/3673) gongshoutiao 2010-09-11 2010-09-11 11:53:42 by feng8215
谁能够从豆丁网上帮忙下载一片ppt格式的文章。 30 (4/468) ldujhy 2010-09-11 2010-09-11 11:18:34 by xiaoshm
钛酸铜(Cu2Ti3O8)是什么颜色啊? 1 (博学EPI+1)(2/565) xingyundew 2010-09-09 2010-09-11 10:41:08 by hujb
求助个CAS号 1 (博学EPI+1)(5/414) 雨晴678 2010-09-08 2010-09-11 10:28:43 by 野百合spring
橡胶粒子空洞化问题 15 (1/426) susan9508 2010-09-11 2010-09-11 10:15:33 by caowangyou
小语种英语四级交流 2 (3/355) 85358652 2010-09-07 2010-09-11 00:28:09 by 85358652
无线路由器相距大约500米能否实现共享?    ( 1 2 3 ) 5 (博学EPI+1)(23/3526) seekerboy 2010-08-30 2010-09-10 17:46:01 by wangyongfang
实验问题,希望有好的建议 15 (1/225) 七夜心 2010-09-10 2010-09-10 16:31:47 by 转身离开
急问什么是滚式PCR? 4 (博学EPI+1)(2/436) wce0560 2010-08-31 2010-09-10 15:53:34 by wmq682
求助:到底能不能用质粒直接做PCR 2 (1/2768) purnima 2010-09-06 2010-09-10 15:40:20 by wmq682
求助:有关伴刀豆球蛋白 1 (博学EPI+1)(2/661) yyx2008 2010-09-10 2010-09-10 15:34:41 by yyx2008
[已完结]求教生物催化方向的资料 (2/235) 游子8921 2010-09-10 2010-09-10 14:55:53 by 游子8921
如何在三维的2D对称简化模型中,施加转动部件的离心力。 5 (1/377) juquanmuchong 2010-09-05 2010-09-10 14:44:17 by 刘宗发
[已完结]透射电镜铜网上聚乙烯醇缩甲支持膜醛的制备 (博学EPI+1)(1/473) lnn0824 2010-09-09 2010-09-09 11:40:41 by qfw_68
[已完结]求助北京大学出版社孙淑声无机化学课件及教案 (博学EPI+1)(2/429) gbs5910 2010-09-07 2010-09-08 10:37:40 by gbs5910
[已完结]求助氨基定量 (博学EPI+1)(1/501) mapa675 2010-09-07 2010-09-07 09:27:24 by sanghongyuan
无氮离子液体 2 (1/381) chinarenlhf 2010-08-20 2010-09-06 18:24:52 by 致死之眠
循环伏安图求助(有图) 5 (2/346) liuzhong3000 2010-09-05 2010-09-06 11:16:30 by liuzhong3000
Neptune MC-ICP-MS 2 (1/618) happyskytl 2010-09-06 2010-09-06 10:40:46 by qfw_68
保护羟基的对甲氧基苄基怎样脱掉 3 (博学EPI+1)(2/626) yinying 2010-08-31 2010-09-06 08:57:41 by 蓝皮儿
买来的碳纳米管做超级电容器电极材料时要怎么处理 7 (博学EPI+1)(5/2276) langjunwei 2010-09-05 2010-09-06 07:56:12 by zhujunsheng
求各位高手帮忙!!! 2 (博学EPI+1)(3/401) 962373087 2010-09-05 2010-09-05 22:59:28 by lingdian405
求物质的合成方法及相关文献 50 (1/287) sunfanfei 2010-09-05 2010-09-05 21:39:33 by 秋天白云
非线性光学晶体中,请问相位匹配角如何确定呢?谢谢! 15 (博学EPI+1)(2/920) gp601 2010-08-31 2010-09-05 20:50:24 by gp601
投稿求助 4 (4/667) lyp0801 2010-09-05 2010-09-05 20:25:52 by 250748574
请问怎样能防止碘离子被氧化成碘,加入什么试剂? 2 (博学EPI+1)(5/3785) guolingsun 2010-09-02 2010-09-05 19:27:50 by hanjinzhu
求食品工厂相关词汇翻译 5 (3/350) twswqx 2010-09-03 2010-09-05 14:17:57 by 致死之眠
[已完结][关贴]如何清洗铂黑电极? (博学EPI+1)(3/1594) fengshuangxu 2010-09-03 2010-09-05 12:20:26 by fengshuangxu
[已完结]JPG的存取被拒绝? (7/876) aspect3000 2010-08-25 2010-09-05 11:38:56 by rsb_long
求助 明胶性质 方面的文献 8 (博学EPI+1)(2/641) littlefish11 2010-09-05 2010-09-05 11:28:12 by yj-lzx
(A,B,c)用??? 2 (1/251) 心怡98_01 2010-09-05 2010-09-05 11:24:20 by dudu1211
在哪可以购买到实验室镀膜用的钠钙玻璃(SLG) 12 (博学EPI+1)(3/855) 406101675 2010-08-11 2010-09-05 11:22:14 by dg_stencil
怎么样从isis里面导出excel 2 (1/834) 2006140509 2010-09-05 2010-09-05 11:02:49 by Doct0r_chen
求助烷基化 4 (博学EPI+1)(1/327) 1122xyl 2010-09-05 2010-09-05 10:10:54 by qfw_68
模板剂急求!!! 10 (1/337) sdnuzx2009 2010-09-05 2010-09-05 10:00:09 by 木_木
漫反射光谱 纵坐标问题 18 (博学EPI+1)(4/1453) 灯一枝 2010-08-28 2010-09-05 08:58:16 by qfw_68
EGTA和EDTA在孵育时能否透过细胞膜 2 (2/1199) luqin114 2010-09-04 2010-09-05 07:49:02 by shuwenhe
[已完结]请专业人士帮忙解答几道化学题,谢谢!    ( 1 2 3 ) (博学EPI+1)(25/3465) daoke005 2010-09-01 2010-09-05 01:02:21 by qiyushzu
CCD选择 5 (2/301) 273901290 2010-09-03 2010-09-04 23:36:46 by 273901290
相关版块跳转
查看