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[热点] 实名举报:华南理工大学物理与光电学院副院长李志远婚内两次出轨女学生(博士) 隐忍而清醒 2026-09-21 刚刚
【求助】超导核磁操作时为什么要锁场和匀场 1 (3/2481) qiguijin 2010-01-14 2010-01-14 15:06:13 by lcazzapple
【求助】求助:异变系数(CV)定义是怎么定的? (3/504) kuuikaifeng 2010-01-14 2010-01-14 15:01:31 by sion2008
【求助】求助:环氧环戊烷的核磁氢谱标准谱 2 (6/575) lzy781103 2010-01-09 2010-01-14 13:00:41 by lzy781103
[色谱质谱] 【求助】萘磺酸的分析 12 (2/230) luxuanbu 2010-01-14 2010-01-14 12:59:54 by wgx1128
【求助】对要做元素分析样品有何要求?元素分析前如何除去水分? (4/654) wendy1853 2010-01-14 2010-01-14 12:11:19 by wendy1853
【讨论】Bruker-400 MHz NMR 18 (1/196) xiaodu19820723 2010-01-11 2010-01-14 12:08:51 by cjzhu
【求助】如何判断高分辨质谱给出的分子量与分子式结果正确与否 (5/2088) renmr03 2010-01-07 2010-01-14 12:00:45 by cjzhu
【求助】请问一个NMR 13C谱诱导效应的问题~ (2/349) 薰衣草儿 2010-01-11 2010-01-14 11:57:10 by cjzhu
【求助】求助:准分子离子峰比原来的分子量小很多? (1/179) muchonghh 2010-01-14 2010-01-14 11:49:33 by cjzhu
【求助】如何调出合适的pH值? 43 (7/702) xiaoxie416 2010-01-13 2010-01-14 11:33:11 by iamfish
【求助】碱式碳酸镁的定量分析问题 (2/204) laoji222 2010-01-14 2010-01-14 11:01:49 by zhongweixu
[其他分析] [关贴]【求助】热分析的一篇文献 (评阅+1) (2/182) zhiweihe88 2010-01-14 2010-01-14 10:30:29 by yensh
【求助】怎么分析pH调节剂对溶液的影响 (0/139) 一辉 2010-01-14 2010-01-14 10:30:19 by 一辉
[色谱质谱] 【求助】用质谱打人参皂苷的二级离子 能量应该设为多大 (评阅+1) (2/208) 两只鱼 2010-01-13 2010-01-14 10:12:02 by 两只鱼
【求助】求助:杂志缩写 (1/166) wyznanhang 2010-01-13 2010-01-14 09:25:05 by yensh
[色谱质谱] 【求助】请熟悉液相的朋友们出出主意 (6/670) snowgirl1065 2010-01-13 2010-01-14 09:06:19 by smallsv
[其他分析] 【求助】高分子树脂的特性粘度的国标 5 (1/248) heihei0404 2009-11-19 2010-01-14 02:25:12 by lcazzapple
[分析前沿] 【求助】急求3%乙酸中测定氟的含量 (3/418) 280155008 2010-01-01 2010-01-14 02:23:27 by lcazzapple
[色谱质谱] 【求助】液相进样后压力升高    ( 1 2 ) (13/1426) 361719669 2010-01-13 2010-01-13 22:54:38 by houhl
[其他分析] 【求助】XRD分析 (0/141) maike01 2010-01-13 2010-01-13 22:50:02 by maike01
【求助】衍生化问题 (1/287) 雪域黑天使 2010-01-07 2010-01-13 22:40:40 by cpp19840911
【讨论】多聚甲醛做C13核磁共振用什么溶剂可以溶解制样 (1/220) waldd 2010-01-12 2010-01-13 22:01:07 by tangqian8111
【求助】Concentration efficiency (CE) 的计算公式 (0/151) zxwlhg63 2010-01-13 2010-01-13 21:21:10 by zxwlhg63
【求助】如何使用cary 100测固体样片的UV-Vis漫反射光谱 21 (0/180) loser3981 2010-01-13 2010-01-13 21:10:58 by loser3981
[色谱质谱] 【求助】示差折光率检测器不出峰 (4/979) lanyu19999 2010-01-08 2010-01-13 21:08:08 by penglm800
[色谱质谱] 【求助】Agilent7890中文工作站 6 (0/237) gamine8661 2010-01-13 2010-01-13 20:50:09 by gamine8661
【求助】求分析化学试卷    ( 1 2 ) (评阅+1) (10/1470) wallehehai 2009-12-31 2010-01-13 20:43:27 by krrp123
【求助】界面 (0/104) wb3040422 2010-01-13 2010-01-13 20:31:48 by wb3040422
[色谱质谱] [关贴]【求助】急需有机质谱解析一书,谁有发一份呀,谢谢了! (2/348) 6yylyhm 2009-08-18 2010-01-13 20:05:44 by song.zhiji
【求助】溶液中的硫元素含量如何测啊? (5/541) zhouquan6238 2010-01-03 2010-01-13 19:32:21 by yckaolin
[其他分析] 【求助】请问有哪位知道有关影响聚丙烯熔体流动速率测定的因素的? (0/128) zpsact650 2010-01-13 2010-01-13 19:30:59 by zpsact650
【求助】怎么判断氰化亚铜里面是否含有氯离子 4 (3/605) sungun78 2010-01-06 2010-01-13 19:22:24 by yckaolin
[关贴]【求助】有关重金属元素测定的文献求助 (2/179) tinghaicheng 2010-01-13 2010-01-13 18:48:41 by yensh
【求助】请问有哪些办法可以增加淌度很相近的阴离子? (0/99) zlpeap 2010-01-13 2010-01-13 17:53:34 by zlpeap
[分析前沿] 【讨论】大家来讨论哈动态平衡体系的分析吧 (0/85) lidaihong 2010-01-13 2010-01-13 17:30:13 by lidaihong
[数据分析] 【讨论】检测限 (4/670) 崔琳cll 2010-01-13 2010-01-13 17:25:11 by bestlike
【讨论】应光谱上水的拉曼峰 (3/849) dlyx 2010-01-09 2010-01-13 17:12:04 by bestlike
[关贴]【讨论】有奖提问:米人下载到底怎么回事? (2/195) youngfaye 2010-01-13 2010-01-13 16:52:58 by iamfish
[色谱质谱] 【求助】关于5-HMF 10 (0/139) kankan19858578 2010-01-13 2010-01-13 16:31:18 by kankan19858578
【求助】如何解决毛细管电泳基线上漂的原因 (0/121) zlpeap 2010-01-13 2010-01-13 16:25:47 by zlpeap
[色谱质谱] 【求助】高氯酸做流动相的问题 (3/1371) lf1022 2009-11-25 2010-01-13 16:20:54 by mhykb029
[数据分析] 【求助】怎样从XRD分析后得到CIF格式文件 6 (0/142) wzhhust 2010-01-13 2010-01-13 16:00:40 by wzhhust
[色谱质谱] 【求助】分享:2010年药典高效液相色谱法 (2/325) huoche456 2010-01-13 2010-01-13 15:55:27 by luomuwuhen
[色谱质谱] 【求助】请问210nm测定时溶剂峰有没有可能会时大时小? (3/386) yangyx98403 2009-07-18 2010-01-13 15:51:02 by mhykb029
【资源】仪器分析答案 (0/225) yckaolin 2010-01-13 2010-01-13 15:22:50 by yckaolin
[色谱质谱] 【求助】海德里森液相装柱机价格 (4/410) xfymym 2010-01-11 2010-01-13 15:21:57 by xfymym
[色谱质谱] 【讨论】为什么以水乙腈梯度为流动相时基线随乙腈浓度而大幅上移? (5/822) grhuang 2010-01-10 2010-01-13 15:08:36 by muchong_xu
【求助】求助:哪里可以下到气相检测仪器验证方案 ?? (0/123) muchonghh 2010-01-13 2010-01-13 14:54:37 by muchonghh
【求助】计量标准 (0/103) shichunyancs 2010-01-13 2010-01-13 14:23:32 by shichunyancs
【求助】求助:准分子离子峰比原来的分子量小很多? (2/170) bhnchnuo 2010-01-13 2010-01-13 14:06:32 by bhnchnuo
[数据分析] 【讨论】如何正确使用校正归一法 1 (1/262) ruochen0110 2010-01-13 2010-01-13 14:02:34 by sdjnqcx
[数据分析] 【求助】请问用什么软件可以画出比较复杂的化学实验装置图和化合物结构?? (3/664) starlcl 2010-01-01 2010-01-13 13:29:21 by starlcl
【求助】测血硒含量的准确方法? (3/512) lln2007.ha 2010-01-09 2010-01-13 11:42:03 by tinghaicheng
【求助】反相柱填料ODS C18    ( 1 2 ) 25 (12/1497) heyongyao 2010-01-12 2010-01-13 11:34:26 by heyongyao
[色谱质谱] 【求助】请问做完毛细管电泳后,毛细管最后用什么冲洗? (0/164) favorite11 2010-01-13 2010-01-13 11:31:39 by favorite11
[色谱质谱] 【求助】请教GC测APG 0810碳链纯度 (0/176) 荷舫 2010-01-13 2010-01-13 11:26:07 by 荷舫
[色谱质谱] 【交流】求助气相文献, (0/118) 进城 2010-01-13 2010-01-13 10:55:34 by 进城
【求助】关于红外光谱的二阶导数图 (3/2003) mayufeng123 2010-01-13 2010-01-13 10:54:52 by qingyy
[其他分析] 求助:流动注射仪使用说明 (2/271) zhang996 2009-04-28 2010-01-13 10:54:03 by zhang996
【求助】本人在实验中遇到一点问题,请教高人指点 (7/763) chenyue-41 2009-12-30 2010-01-13 10:41:26 by qingyy
【求助】研究原子吸收方向的,请问国外哪些大学时比较前沿的呢 (6/563) 雅君1987 2009-11-26 2010-01-13 10:39:48 by 焰若轩
【求助】【求助】炭纤维红外光谱 (6/967) cocol8982 2010-01-12 2010-01-13 10:26:26 by cocol8982
[色谱质谱] 【求助】色谱柱中有流动相中的物质 (9/838) 两只鱼 2010-01-12 2010-01-13 09:15:15 by leiopixie
[色谱质谱] 【求助】高效液相纯化多肽 (1/173) zinc650 2010-01-12 2010-01-13 09:03:43 by 天马侠客
【求助】水分测定 3 (5/466) drouet 2010-01-12 2010-01-13 08:45:03 by kls1984
【求助】市场买的豆油来作荧光光谱分析问题?    ( 1 2 ) (14/1520) annietop 2009-07-01 2010-01-13 07:57:22 by hustyookie
【求助】重金属检测试验中的几个问题 (4/581) shelley1198 2010-01-11 2010-01-13 00:54:37 by lcazzapple
[分析前沿] 【求助】国外的多残留分析方法 2 (评阅+1) (4/547) 苏诺 2009-10-15 2010-01-13 00:35:34 by sion2008
【求助】帮忙推荐紫外可见分光光度计 (6/918) wangzj 2010-01-02 2010-01-13 00:09:03 by zhbsky
【求助】乙二胺的紫外-可见-红外的吸收光谱 (1/864) libofan 2010-01-11 2010-01-12 23:32:20 by zhbsky
有Beynon表的给传一下 (2/1357) lonyboy2506 2009-04-29 2010-01-12 22:52:05 by zhbsky
【求助】一个有关分离提纯的问题 12 (4/390) luxuanbu 2010-01-11 2010-01-12 22:14:46 by tangqian8111
【交流】滴定法测定含量 (6/495) yanhuali2004 2010-01-12 2010-01-12 21:43:43 by tangqian8111
[色谱质谱] 【求助】色谱柱柱压问题,急    ( 1 2 ) (12/1116) yzy_0106 2010-01-09 2010-01-12 21:37:55 by qwert9893
[色谱质谱] 【求助】色谱柱老化 4 (4/687) walkalone563 2010-01-11 2010-01-12 21:34:36 by Billd_G@126.com
【求助】求助:对测出的物质不太肯定!! (3/329) kuuikaifeng 2010-01-12 2010-01-12 20:41:54 by caoshengshun
[色谱质谱] 【求助】气相基线漂移 (3/498) karltbh 2010-01-06 2010-01-12 20:36:06 by zwjjz7980
【求助】购买Sigma-Aldrich化学试剂的疑问 (2/321) zyx6163767 2010-01-10 2010-01-12 20:19:08 by zyx6163767
【求助】求助:乙酰苯胺标准物质?? (0/110) bhnchnuo 2010-01-12 2010-01-12 17:34:52 by bhnchnuo
[色谱质谱] 【交流】【请教】对映异构体问题 (3/708) quanw 2010-01-12 2010-01-12 17:01:51 by 巫女子佩
[色谱质谱] 【求助】各种物质的校正因子可以在哪里查到 (3/465) cooihui 2010-01-12 2010-01-12 16:57:25 by zhongweixu
[色谱质谱] 【求助】求助 离子色谱测定碳酸氢根的方法 (0/221) taotao20098886 2010-01-12 2010-01-12 16:26:31 by taotao20098886
[色谱质谱] 【求助】西安哪里有测离子色谱的地方 (8/497) taotao20098886 2010-01-06 2010-01-12 16:03:57 by taotao20098886
【讨论】保留时间随温度变化很大?? (评阅+1) (5/595) jianghua8783 2009-11-17 2010-01-12 15:45:03 by zjhgxl
【求助】AFS载气和屏蔽气分别是指什么?分别该如何翻译? 2 (0/159) liangzaili 2010-01-12 2010-01-12 15:17:49 by liangzaili
[色谱质谱] 【求助】GC 6890 ,甲烷检测问题 20 (0/216) haochongzi 2010-01-12 2010-01-12 14:50:04 by haochongzi
【求助】紫外扫描出现问题 (3/350) zxing147 2010-01-12 2010-01-12 14:09:53 by zxing147
[色谱质谱] 【求助】气相色谱问题 5 (6/560) xiuxiu134 2010-01-11 2010-01-12 13:15:34 by ljxiaoyu
【求助】5个金币,帮帮忙,当量浓度换算成质量分数,自己不确定!!! (2/329) 子洋9263 2010-01-06 2010-01-12 12:46:07 by wgx1128
【求助】二氧化碳化学分析方法 (金币≥1)(3/47) jiaowin200 2010-01-11 2010-01-12 11:58:06 by jiaowin200
[色谱质谱] 【求助】分流关掉    ( 1 2 ) (10/770) cooihui 2010-01-08 2010-01-12 11:51:12 by leiopixie
[色谱质谱] 【讨论】梅特勒DELTA 320调节流动相的pH (8/643) honghaiyan 2010-01-07 2010-01-12 11:31:43 by leiopixie
[色谱质谱] 【求助】请教大家一个薄层的问题 (2/236) lds1223 2010-01-11 2010-01-12 10:28:58 by smallsv
[色谱质谱] 【讨论】色谱好长时间没用,里面有水 (3/368) sdjnqcx 2010-01-11 2010-01-12 10:06:35 by sdjnqcx
资源 [ 查看全部 ] 作者 最后发表
【资源】滴定基本操作视频 (4/547) hyong0508 2009-11-18 2010-01-13 20:45:25 by krrp123
[关贴]分享Organic Structure Determination Using 2-D NMR Spectroscopy (5/386) zhuimengren639 2009-03-07 2010-01-13 17:18:09 by lilizaimu
【资源】仪器分析试卷 (0/509) yckaolin 2010-01-13 2010-01-13 15:20:36 by yckaolin
仪器分析PPT (2/403) huhongyu 2009-04-03 2010-01-12 19:41:48 by wdlwdl586
【专题】常见仪器分析方法的缩写、谱图和功能说明 (8/1086) opq691 2009-11-29 2010-01-12 18:58:03 by liwanchun
[其他分析] [关贴]学科评估高校排名结果 (2/738) lixingwei 2009-01-21 2010-01-12 14:26:08 by 牧原
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