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[热点] 存款400万可以在学校里躺平吗 潇潇雨子规啼 2026-01-21 刚刚
不能在同一窗口下打开文件夹 3 (7/136) pipikong 2007-09-06 2007-09-08 12:15:43 by alibabashiqun
实验室废弃物处理 10 (9/141) sion2008 2007-09-06 2007-09-08 11:54:26 by grejia
谁知道《2007最新石油安全管理及国家强制性条文实施手册》在什么地方可以下载？ 9 (5/112) lkx646 2007-08-22 2007-09-08 11:19:43 by lkx646
求助： 1 (0/66) encrinite 2007-09-08 2007-09-08 09:59:08 by encrinite
单质 溴素 中微量水的检测！ 3 (0/58) synthesis997175 2007-09-08 2007-09-08 09:55:52 by synthesis997175
求助：在用XCIF命令产生晶体学表时出现如下话： 2 (4/239) 小木虫2007 2007-08-26 2007-09-08 09:53:37 by luxx
求助β-托品醇（135-97-7）物化性质 2 (3/120) hsx007 2007-09-06 2007-09-08 09:40:16 by shangyq
谁知道冰的介电常数？很多学理化的都不知道 5 (4/2322) 大卫1980 2007-09-07 2007-09-08 09:37:53 by 大卫1980
手性催化剂 2 (4/155) zhangsir007 2007-09-06 2007-09-08 09:14:43 by sykwater
求助：关于双硫键的电分析 10 (0/56) tnt167 2007-09-08 2007-09-08 08:58:16 by tnt167
急求清华化工〈物化〉试题库！！！！ 10 (金币≥5)(0/50) zhongzhe001 2007-09-08 2007-09-08 08:44:19 by zhongzhe001
求南方批八字软件(OVER) 2 (6/555) sion2008 2007-09-05 2007-09-08 00:09:37 by trixaypm
请问：DMSA 能否将油酸从氧化物表面交换下来？？ 5 (3/237) xujx_1220 2007-09-07 2007-09-07 23:30:46 by wangkj80
请教XRD标准谱图如何得到? 3 (8/312) xuchao821030 2007-09-06 2007-09-07 23:25:00 by wangkj80
微囊藻毒素的荧光蛋白磷酸酶实验方法 3 (金币≥10)(0/33) 太湖人 2007-09-07 2007-09-07 23:01:54 by 太湖人
临界胶束浓度和临界聚集浓度的求算 3 (金币≥1)(0/64) guoyujing 2007-09-07 2007-09-07 22:36:45 by guoyujing
求助，关于G宝盘 5 (1/80) lvzhu2007 2007-09-07 2007-09-07 22:13:21 by sion2008
50度的湿球温度？ 1 (4/60) spring2006616 2007-09-07 2007-09-07 22:09:57 by sion2008
qjzhou来领金币 (4/124) googoog 2007-09-06 2007-09-07 18:02:21 by googoog
想在武汉买一袋燕山石化生产的聚丙烯K8303怎么搞？ 3 (0/36) 学员cN8VU7 2007-09-07 2007-09-07 17:55:58 by lzrwzw
求助卡巴7.0互联网安全套装版能用的key 5 (1/79) 蓝天一片 2007-09-07 2007-09-07 17:55:16 by 蓝天一片
急需本科教育创新高低申报材料一份 10 (0/122) xiaoyuzhang 2007-09-07 2007-09-07 17:48:51 by xiaoyuzhang
请问碱土金属硫化物在液体介质中是否有Zeta电位？ 1 (0/42) jjy136 2007-09-07 2007-09-07 17:37:45 by jjy136
矿中怎样溶样做汞 1 (金币≥4)(0/8) changrur 2007-09-07 2007-09-07 17:03:07 by changrur
如何给新手领路 (2/71) dnazyme 2007-09-07 2007-09-07 16:12:30 by 豆哥
求助一个高温固相合成试验 9 (5/92) sumwindy 2007-09-07 2007-09-07 15:05:04 by sumwindy
封闭反应体系问题（求助完成） (金币≥1)(2/44) 12lubing 2007-09-07 2007-09-07 14:15:27 by shangyq
请问硅片可以用来做工作电极使吗？ 2 (1/89) cpgu 2007-09-07 2007-09-07 13:51:35 by cxc502
求助：MWNTs的电导率 (3/76) xmupizza 2007-09-06 2007-09-07 13:48:39 by 飞雪伊人
求助几篇关于介孔 的外文文献 (2/85) 长在澄江的芦荟 2007-09-07 2007-09-07 13:19:12 by 366sky
求教关于氨基和羧基反应的方法（最好有文献） (2/132) dwf321 2007-09-07 2007-09-07 11:33:11 by leonumn
谁能查到钽酸钇（YTaO4）的介电常数或折射率 12 (2/162) xiangsitian 2007-09-05 2007-09-07 10:48:23 by xiangsitian
求助一个关于磨损方面的问题 6 (8/183) Aries_cy 2007-08-02 2007-09-07 09:55:06 by Alilex
请教表面活性剂的回收方法 2 (1/75) 长在澄江的芦荟 2007-09-06 2007-09-07 07:53:33 by mooncakexzj
偏光显微镜试样表面怎么处理 5 (2/147) oiloiloiloil 2007-09-06 2007-09-07 07:40:29 by oiloiloiloil
20金币求有关资料---如何测定表面活性剂的吸光度-浓度曲线图(校正曲线图) 18 (3/107) 封神之神 2007-09-05 2007-09-06 23:30:12 by 封神之神
有关"氯化硝基四唑氮蓝" 2 (0/54) luojuxiang 2007-09-06 2007-09-06 22:01:20 by luojuxiang
请问如何获得大量松材线虫的卵？或从少量的卵里获得RNA或mRNA？ 2 (0/61) 挥汗如雨 2007-09-06 2007-09-06 21:41:30 by 挥汗如雨
VB里面怎么求ln？ (1/58) chuhua 2007-09-06 2007-09-06 21:00:08 by ihlw
[关贴]转一下 (评阅+200) (2/99) bioman 2007-09-06 2007-09-06 18:49:19 by yongpengw
[关贴]转移 (1/71) bioman 2007-09-06 2007-09-06 18:30:02 by ping_zh
狂人说梦 10 (0/100) 19770918 2007-09-06 2007-09-06 16:38:48 by 19770918
求: Visco star plus 中文说明书 5 (0/39) barryli 2007-09-06 2007-09-06 16:38:07 by barryli
请问在哪可以很方便的买到铅丹(Pb3O4) 2 (1/59) romary 2007-09-06 2007-09-06 15:57:43 by qjc830401
100金币求【网上读书园地邀请码】【已求到】 (5/158) jlushy 2007-09-05 2007-09-06 15:49:15 by jlushy
是否有人知道有这样一种物质 2 (2/78) mxg330 2007-09-06 2007-09-06 15:23:44 by chemicalsub
有水苯甲酸铜怎么才能除去结晶水呢？ 4 (5/103) wellok101 2007-09-05 2007-09-06 15:14:02 by 一尘子
请教哪里可以做热电材料的表征 (4/179) qiubing2005 2007-09-06 2007-09-06 15:11:10 by wfxx
做热点材料表征，请各位帮忙 3 (0/63) qiubing2005 2007-09-06 2007-09-06 14:51:50 by qiubing2005
求助:邻氯苄醇的详细物化性质和用途 (5/109) hppei 2007-09-06 2007-09-06 14:48:29 by jack2070
请问谁知道硝酸双氧铀在哪买啊？ 1 (1/139) 蔷薇物语 2007-09-06 2007-09-06 14:25:15 by 飞雪伊人
定稿会 什么意思 (2/207) mumuxinyi 2007-09-06 2007-09-06 14:10:19 by 冰凝
螯合剂的问题(合理就给报酬) (6/272) jinch0417 2007-09-04 2007-09-06 13:08:35 by dashing
诸位谁最近出现下载 ACS 全文时特慢或不能下载！ 6 (8/111) 花样年华 2007-09-05 2007-09-06 13:06:58 by pengll06
关于硅胶层析柱 (5/165) peipeiwang 2007-09-05 2007-09-06 12:41:06 by cxc502
wfgwfgwfg来领金币 (1/91) 天上下雪了 2007-09-06 2007-09-06 11:43:30 by wfgwfgwfg
求助：请帮忙－谁能给我今年成考专升本的范围啊？多谢了 1 (金币≥1)(1/24) Sunny-baby 2007-08-29 2007-09-06 11:35:51 by Sunny-baby
请问哪位有　硼酸保护　羟基蒽醌　的相关文献或具体操作方法 8 (0/44) 泛泛孤 2007-09-06 2007-09-06 11:13:02 by 泛泛孤
有机高手：讨论完成（请版主关闭问题） (5/122) 496480090 2007-08-23 2007-09-06 11:02:10 by leonumn
请问药理学上的两个“安全范围”是不是一样的？ 4 (0/33) hongmin8181 2007-09-06 2007-09-06 09:40:46 by hongmin8181
[取消求助]硬盘大文件备份到移动硬盘时出现“无法复制” 7 (6/170) liangduoqiang 2007-09-03 2007-09-06 08:25:38 by lj79346845
葡糖上的羟基除了用乙酰基保护还有没有其他的方法…… 3 (4/159) fanxiaoshan 2007-09-05 2007-09-06 07:07:18 by mooncakexzj
帮忙下载两本书!(求助完毕) (9/196) trixaypm 2007-09-05 2007-09-06 01:59:18 by 风声
再合成反应中如何使氨水的沸腾温度达到130度，用什么仪器控制？如何控制？ (7/529) lishengxian 2007-05-09 2007-09-05 22:51:36 by casual2001
20金币求“三聚丙二醇二胺”的任何信息，热心的朋友请帮忙查一下。 17 (3/166) grejia 2007-09-05 2007-09-05 21:23:53 by grejia
电视台的娱乐节目是如何盈利的？ (9/134) 乘风破浪 2007-09-04 2007-09-05 19:49:20 by mu521
问几个生化术语的意思：poly(dA).poly(dT), poly(dA–dT).poly(dA–dT), (3/835) ylwang 2007-09-05 2007-09-05 19:43:18 by zzwyxlh
丙酮，二氯甲烷，3％硫酸钠萃取分层最佳配比？ 1 (0/45) znmy17 2007-09-05 2007-09-05 18:52:16 by znmy17
关于离子交换的方式！ 1 (3/98) gxingcui 2007-09-03 2007-09-05 18:51:43 by mooncakexzj
急!求助文献 4 (4/152) zjg-hsd 2007-09-05 2007-09-05 18:33:33 by zjg-hsd
怎么让处于不同交换机的N个电脑加入同一个域？    ( 1 2 ) 5 (10/165) 西瓜王子 2007-08-20 2007-09-05 18:16:28 by 西瓜王子
咨询：知道“贝宝”或用过它的虫子进！(取消求助) 4 (0/57) byfgogo 2007-09-05 2007-09-05 17:57:59 by byfgogo
求二茂铁的标准摩尔生成焓 (2/103) 木虫仔 2007-09-05 2007-09-05 17:42:46 by 木虫仔
重金求助粉体胶乳生产工艺 200 (0/39) lisa_2006 2007-09-05 2007-09-05 17:25:51 by lisa_2006
想学化工软件设计不知道应该学什么 1 (2/111) chuhua 2007-09-04 2007-09-05 17:20:34 by sdl_sky
[求助]甘氨酸定量分析方法 (4/82) AFM 2007-09-04 2007-09-05 15:26:51 by AFM
密码设置和访问权限 (5/128) 七月一枝花 2007-09-04 2007-09-05 14:56:04 by grejia
取消求助 10 (0/94) 李文志 2007-09-05 2007-09-05 14:42:19 by 李文志
Mbond610胶的配比问题 10 (2/422) ymxiong 2007-09-04 2007-09-05 11:47:09 by ymxiong
催化剂为何不能在水相中发生作用！ 1 (0/57) liuzggg 2007-09-05 2007-09-05 11:21:51 by liuzggg
关于机票电子客票询问 (1/101) arq 2007-09-05 2007-09-05 10:58:19 by liaoyongpi
REP文件怎样打开 3 (2/80) lj19791980 2007-09-05 2007-09-05 10:32:17 by 飞雪伊人
乙酰基保护的葡糖怎样脱保护…… 5 (2/212) fanxiaoshan 2007-09-04 2007-09-05 09:31:05 by fanxiaoshan
如何减小酒瓶塞（软木）脆性？ 2 (3/129) bai507 2007-09-03 2007-09-05 07:53:16 by mooncakexzj
二乙氨基锂合成 3 (3/208) wood3658 2007-09-03 2007-09-05 07:38:37 by shangyq
关于牛血清蛋白 (7/328) 小小草儿 2006-11-04 2007-09-05 01:18:44 by dongsq
国际会议 准备 (1/161) davos 2007-08-28 2007-09-04 23:26:52 by microberoad
30金币求购《2007年中国医院行业研究咨询报告》全文 (0/50) 6542 2007-09-04 2007-09-04 22:02:34 by 6542
[关贴]急问，PDF文章有文字识别功能吗    ( 1 2 ) (10/246) challenge_2008 2007-09-04 2007-09-04 22:01:01 by d2hg0402002
求助，如何做进化树分析？ 1 (1/125) wonderlandzhy 2007-09-04 2007-09-04 21:54:24 by caozongze125
岛津液相，如何建立标准曲线。 10 (4/230) zjhfamily 2007-09-04 2007-09-04 21:30:07 by wflwgy
[关贴]石墨分散剂 (4/122) bengbu 2007-09-03 2007-09-04 20:59:41 by bengbu
请问皂醛的化学式，结构和有关的性质 6 (2/62) handongqin 2007-09-03 2007-09-04 20:46:17 by sykwater
求QZZN论坛邀请注册码 (2/193) 内贾德 2007-09-04 2007-09-04 20:40:09 by yongpengw
求助能够读.uxd格式的软件 15 (1/100) zhongjun668 2007-09-04 2007-09-04 20:37:48 by 飞雪伊人
求MTV电子相册或FLASH相册制作大师或家庭VCD相册制作系统大众版的用户名和注册码 15 (1/121) tyy2466 2007-09-03 2007-09-04 20:17:59 by yongpengw
小木虫不能贴图？？？ 1 (4/110) jeanchie 2007-09-04 2007-09-04 19:04:01 by sdl_sky
真空蚌 4 (2/96) 19770918 2007-09-04 2007-09-04 18:54:18 by mooncakexzj
算法求助（画圆的算法） 5 (0/143) yjhqdm 2007-09-04 2007-09-04 16:28:05 by yjhqdm
中国特殊药品目录和基本药品目录！！！ (1/103) hongmin8181 2007-09-03 2007-09-04 16:05:21 by yuandwei0630
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