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[热点] 售SCI-T0P文章,我:8O.5.5.1.O.54,科目齐全,可+急 G2rhSvqvhNzl 2026-11-13 刚刚
【求助】请教如何利用群论推导某一已知对称性分子的具有拉曼和红外活性的振动数目 (1/1647) ynkmrxp 2011-02-28 2011-02-28 21:47:18 by speedo
【求助】请问ATP和腺苷是同一种有机物吗? (2/1881) lfbapple 2011-02-28 2011-02-28 21:40:31 by 游牧的
【求助】拉曼光谱分析求助! (ACI+1)(6/2729) mbj2004 2010-12-25 2011-02-28 19:57:07 by phdl
[其他分析] 【求助】高分辨率TG (0/157) lyt1986 2011-02-28 2011-02-28 19:55:07 by lyt1986
【求助】聚苯乙烯磺酸钠(PSS)的红外光谱是什么 (0/2489) yhy6340 2011-02-28 2011-02-28 19:53:33 by yhy6340
[其他分析] 【讨论】吸附脱附仪,麦克仪器or拜尔仪器 (0/722) nichael1985 2011-02-28 2011-02-28 19:07:33 by nichael1985
【求助】ICP的数据分析判定及日常维护(如积炭等的处理) (3/1475) 钟韦桑 2011-02-26 2011-02-28 18:55:32 by swordgang
【求助】测定标准品含量的方法 (1/426) 1414671343 2011-02-28 2011-02-28 18:42:59 by 1414671343
[分析前沿] 【求助】普通等电聚焦是怎样的 (0/442) creepon 2011-02-28 2011-02-28 18:41:37 by creepon
[色谱质谱] 【求助】气相仪器样品检测问题?谢谢!!! (0/356) yhongsw 2011-02-28 2011-02-28 17:53:23 by yhongsw
[色谱质谱] 【求助】请教前辈们安捷伦1100二元泵和四元泵是什么意思? (4/2616) zhanghanxiao 2011-02-24 2011-02-28 17:49:08 by zhanghanxiao
[色谱质谱] [关贴]【求助】mug/kg 是什么单位 (2/5129) luoyanbo 2011-02-28 2011-02-28 17:14:32 by Dr_Jesse
【求助】混合气体中各气体成分的分析,请各位高手指点啊。。 (1/604) xianyun329 2011-02-28 2011-02-28 15:48:54 by herenren
【讨论】无定形化合物 一般用什么方面测试含量 (0/1578) ryp1201 2011-02-28 2011-02-28 15:44:58 by ryp1201
【求助】液相检测 氘灯出现问题了?求解决? (6/1631) kittyharuf 2011-02-26 2011-02-28 14:56:17 by kittyharuf
[色谱质谱] 【求助】HPLC 流动相分析相关问题?? (4/1376) huaaduo 2011-02-25 2011-02-28 14:48:03 by wlhg2011
【交流】工业丙酮含水量 (7/1751) 天一生水96 2011-02-28 2011-02-28 14:16:38 by herenren
【求助】标准回收 (1/236) ttrh21986 2011-02-27 2011-02-28 14:16:04 by yjquhunan
【求助】原吸仪器 操作检测问题?? (1/290) xuzhexins0 2011-02-28 2011-02-28 14:11:31 by yjquhunan
【求助】FA2204B型号电子分析天平如何矫正(完整些) (3/794) 新手8817 2011-02-24 2011-02-28 13:48:33 by 新手8817
[色谱质谱] 【求助】HPLC 仪器系统出现问题了??    ( 1 2 ) (10/1878) bnuliysuan 2011-02-26 2011-02-28 13:44:11 by 小醇醇
【求助】红外谱图分析 (6/1094) chengziww8866 2011-02-25 2011-02-28 13:34:51 by zerohead
[其他分析] 【求助】请教药典理化性质试验问题 (2/731) 胖胖儿 2011-02-27 2011-02-28 12:09:53 by 胖胖儿
【求助】请问如何快速分析直馏石脑油中的PONA组成呢?不限于使用色谱 (0/581) nashhengshui 2011-02-26 2011-02-28 12:07:11 by nashhengshui
[其他分析] 【求助】葡萄糖酸钙或葡萄糖酸锌国标中关于还原物的测定 (1/599) llp5082 2011-02-28 2011-02-28 11:20:29 by ssewr
【求助】仪器标定校准培训事宜 (0/128) 森西罗 2011-02-28 2011-02-28 11:16:43 by 森西罗
[其他分析] 【求助】乙烯基吡啶含量测定 (0/182) xiaohuaidan 2011-02-28 2011-02-28 11:07:59 by xiaohuaidan
[色谱质谱] 【求助】请教:液相样品 分析检测问题?? (3/1373) huaaduo 2011-02-27 2011-02-28 11:05:42 by kandengren
[色谱质谱] 【求助】求助!!100%水冲C18柱子问题! (5/2727) totojuly 2011-02-23 2011-02-28 11:01:57 by shyron
【求助】求助关于比表面积的文章 (1/310) conan281 2011-02-27 2011-02-28 10:54:08 by mrzhou2000
[关贴]【求助】求助查尔酮合成酶活性测定 (2/578) 求学无止境 2010-06-12 2011-02-28 10:49:29 by fu108042
【求助】顺序提取方法 (0/335) yuanjian_1 2011-02-28 2011-02-28 09:51:02 by yuanjian_1
[色谱质谱] 【求助】光谱检测出现问题?怎么办?? (0/250) yhongsw 2011-02-28 2011-02-28 09:39:27 by yhongsw
【求助】用0.01mol/LKOH乙醇标准溶液标定0.01mol/L盐酸乙醇溶液 (4/1794) zouxy 2011-02-23 2011-02-28 09:14:47 by zouxy
【求助】用xpert highscore 分析xrd图像的问题 (0/320) fresh_022 2011-02-28 2011-02-28 08:53:05 by fresh_022
【求助】分离度 (9/2097) someday1985 2011-02-27 2011-02-28 08:28:36 by 纯婧的天空
[色谱质谱] 【求助】气相色谱标定 (11/980) lan1987 2011-02-21 2011-02-28 08:17:18 by shyron
【求助】求助:要想检测氢气纯度为99.9995%,请问用什么检测仪检测? (7/2518) 小熊松 2011-02-24 2011-02-28 07:15:32 by ymw520
[关贴]【讨论】关于ICP测高纯度无机盐的纯度时,由杂质含量推算主含量的问题? (6/2410) 兰清芷秀 2011-01-18 2011-02-28 00:46:02 by shyron
【讨论】原花青素定性方面的 (2/594) 311张 2011-01-07 2011-02-27 23:56:32 by shyron
[色谱质谱] 【求助】求C18合成方法 (1/360) syp518 2011-02-27 2011-02-27 23:41:57 by shyron
[色谱质谱] 【讨论】接0.18u色谱柱技巧 (6/1160) 痴夷子皮 2011-01-15 2011-02-27 22:37:28 by 1414671343
【求助】如何让叔丁基溴中的溴完全转变成溴离子,不用碱的i情况下? (4/664) kjwei 2011-02-27 2011-02-27 20:44:27 by 教主夫人
[色谱质谱] 【求助】梯度洗脱,不上样都为什么都会出这么多的峰?    ( 1 2 ) (13/2157) xukun1176 2011-02-26 2011-02-27 19:15:04 by pplover
【讨论】ICP直接进样 (7/947) lingling5251 2011-01-11 2011-02-27 15:14:18 by hezhaoyou
[色谱质谱] 【求助】样品测定问题?请教大家!! (5/1165) kittyharuf 2011-02-26 2011-02-27 14:52:52 by kandengren
[色谱质谱] 【求助】请教:样品测定 浓度问题?谢谢!! (3/973) yhongsw 2011-02-20 2011-02-27 14:27:48 by yhongsw
[色谱质谱] 【求助】求助各位:色谱、蒸馏、萃取共同的热力学基础是什么?它们各自的特点? (1/281) kiss_the_rain 2011-02-27 2011-02-27 12:58:36 by xjuwq
[色谱质谱] 【求助】急!请问带糖基的分子可以做哪种高分辨质谱? (4/615) nanose7en 2011-02-22 2011-02-27 12:55:55 by wjlcc
【交流】甘油三酯的分析方法 (1/372) agirljiang 2011-02-27 2011-02-27 12:21:24 by 西湖醉鱼
【讨论】谈谈自己论文思路示意图都是怎么制作的! (2/1915) 09gmzhang 2011-02-27 2011-02-27 10:46:21 by fever366
[色谱质谱] 【求助】求“色谱中英文双语课件” (0/129) 不太冷190 2011-02-27 2011-02-27 10:45:34 by 不太冷190
【求助】求助:X射线能谱图和X射线光电子能谱图,区别 (0/862) kiss_the_rain 2011-02-27 2011-02-27 10:42:16 by kiss_the_rain
【求助】愁女子有一问题相求各位高人! (8/1253) junnis 2011-01-12 2011-02-27 10:31:50 by junnis
【求助】气相样品检测问题?? (2/363) bnuliysuan 2011-02-26 2011-02-27 08:41:31 by VENSTER
【讨论】选取内标物 (6/1541) 玉泉永流 2011-02-26 2011-02-26 21:57:09 by 80年后
[关贴]【求助】确定无机化合物到底是什么 (3/552) caijj09 2011-02-24 2011-02-26 21:47:26 by caijj09
【求助】怎么除去溶液中的离子对试剂 (0/280) disil 2011-02-26 2011-02-26 21:26:38 by disil
【求助】通常来说,基团的百分含量在多少以下红外上是检测显示不出来的? (0/604) michaeldi 2011-02-26 2011-02-26 20:30:33 by michaeldi
【讨论】高效液相色谱测的图应该叫图谱还是谱图?    ( 1 2 ) (10/3959) 568268771 2011-02-25 2011-02-26 20:14:24 by yangjl7602
【求助】相容性试验 (0/442) 森西罗 2011-02-26 2011-02-26 17:02:34 by 森西罗
[数据分析] 【求助】关于验证检验方法 (9/2256) 狐狸姐姐 2011-02-23 2011-02-26 15:04:30 by kandengren
[色谱质谱] 【求助】液相仪器 分析方法检测问题?? (0/175) yhongsw 2011-02-26 2011-02-26 15:02:27 by yhongsw
[色谱质谱] 【求助】物质成分的名称 (0/192) 383496411 2011-02-26 2011-02-26 13:56:59 by 383496411
[色谱质谱] 【求助】如何分析这张二烯丙基醚的MS图啊,我不会看啊?请大家帮我分析下啊 (2/1011) yinchen001 2011-02-26 2011-02-26 13:47:41 by 383496411
[色谱质谱] 【求助】样品含量测定,用什么柱子好? (0/253) yhongsw 2011-02-26 2011-02-26 11:04:01 by yhongsw
[色谱质谱] 【求助】Boduszynski model (0/207) VChang 2011-02-26 2011-02-26 10:55:49 by VChang
[色谱质谱] 【求助】请问,该如何排除液相检测器中的气泡呢? (3/1524) xukun1176 2011-02-25 2011-02-26 10:08:26 by kandengren
【求助】帮忙识图红外谱图---十万火急 (17/2698) shxin5 2011-02-17 2011-02-26 09:59:54 by shxin5
[色谱质谱] 【求助】急~~~~请大家帮忙看看这台液相是怎么了!!! (9/2655) xukun1176 2011-02-22 2011-02-26 09:41:58 by 风来风去
【求助】癸酰乙醛能用HPLC分析吗 (0/669) lyoen 2011-02-26 2011-02-26 08:49:44 by lyoen
【求助】过氧化氢稳定度的测定 (0/367) 梦青诗 2011-02-26 2011-02-26 08:29:48 by 梦青诗
[分析前沿] 【求助】检测金属元素在细胞内各个器官的分布,该用什么仪器? (0/411) 溪儿维娅 2011-02-26 2011-02-26 01:32:27 by 溪儿维娅
【求助】癸二酸二异丙酯的分析 (金币≥5)(1/21) 408851978 2011-02-25 2011-02-25 22:28:59 by oxygen7341
【求助】请教:原吸仪器样品测定问题?? (3/1134) huaaduo 2011-02-23 2011-02-25 22:15:35 by wmj31
[色谱质谱] 【求助】飞龙掌血内酯的二级质谱断裂 (1/254) helloniu 2011-02-25 2011-02-25 21:55:11 by helloniu
【讨论】求一句话翻译 (1/233) amney 2011-02-25 2011-02-25 21:11:31 by 西湖醉鱼
[色谱质谱] 【求助】进流动相时,在主峰的出峰位置有个小峰,不知该怎么解决 (2/536) 冷雨孤风 2011-02-25 2011-02-25 20:35:10 by 冷雨孤风
[其他分析] 【其他】干燥失重105℃能把乙酸烘掉吗? (7/1742) sdwh2010 2011-02-25 2011-02-25 19:57:16 by joe1519
【求助】这俩道题怎么做 (9/3277) ss8566 2011-02-25 2011-02-25 19:55:27 by ss8566
[色谱质谱] 【资源】制备色谱技术与操作及实验经验【已搜索无重复】    ( 1 2 3 4 5 ) (+17.5) (评阅+2) (49/4041) wzh414 2009-12-04 2011-02-25 18:29:26 by yahubibi
[色谱质谱] 【求助】高效液相色谱应该至少多长时间运行一次    ( 1 2 ) (评阅+1) (15/5520) wonderlinlin 2011-01-18 2011-02-25 17:29:31 by shyron
[色谱质谱] 【求助】高效液相色谱仪器的操作方法 (2/370) 漂流瓶520 2011-02-24 2011-02-25 17:27:36 by shyron
【求助】吸光度与浓度 (2/1002) dyang0219 2011-02-25 2011-02-25 17:15:04 by sarrn
[其他分析] 【求助】晶体取向测定 (3/618) yangchubin 2011-02-25 2011-02-25 17:14:37 by shyron
[色谱质谱] 【讨论】有关物质和含量测定的LOD/LOQ问题 (3/1926) 月追影 2011-02-25 2011-02-25 17:00:48 by shyron
【求助】今天发现四丁基氢氧化铵结晶了 (1/4451) wph2000 2010-02-03 2011-02-25 16:57:29 by hfcool
【求助】哪个在武汉的能帮我做个XRF的压片啊! (6/981) 学员QzmDCs 2011-02-20 2011-02-25 16:38:03 by q87661236
【求助】毛细管电泳 间接紫外 急请教! (1/495) lanxiaomai 2011-02-23 2011-02-25 16:00:24 by 女巫的小木屋
[色谱质谱] 【求助】这个物质我该怎么用液相色谱分析    ( 1 2 ) (16/1793) xiaozhu_4023 2011-02-23 2011-02-25 15:55:59 by xiaozhu_4023
[色谱质谱] 【求助】87H液相色谱柱问题 (2/691) niuyufei1982 2011-02-24 2011-02-25 15:52:55 by niuyufei1982
【讨论】石墨烯有没有紫外吸收 (3/1104) 09yschen 2010-12-29 2011-02-25 15:24:04 by haohaolzu
[色谱质谱] 【求助】液相色谱要分离葡萄糖跟葡萄糖酸有什么好的方法? (0/705) happyooo 2011-02-25 2011-02-25 15:21:52 by happyooo
[色谱质谱] 【求助】液相样品分析问题!请教大家!! (0/187) bnuliysuan 2011-02-25 2011-02-25 14:34:51 by bnuliysuan
【求助】hplcf分析药物怎样除掉杂峰? (7/1345) 123xiejiaq 2011-02-24 2011-02-25 14:34:39 by tyh2004157
[色谱质谱] 【求助】液相 流动相含量测定问题?谢谢!    ( 1 2 ) (18/2220) xuzhexins0 2011-02-24 2011-02-25 14:21:40 by tyh2004157
【求助】出现倒峰是怎么回事 (金币≥10)(6/72) shrily 2011-02-24 2011-02-25 14:13:41 by kx2599
【求助】pka的计算 (2/491) houjiting 2011-02-25 2011-02-25 14:05:37 by houjiting
【求助】盐酸羟胺和高锰酸钾的反应方程式是如何进行的 (0/3820) 萧华2751 2011-02-25 2011-02-25 11:34:32 by 萧华2751
【求助】安捷伦棕色样品瓶清洗 (2/834) mljhfx 2011-02-24 2011-02-25 11:07:27 by mljhfx
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