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[热点] 依托企业入选了国家启明计划青年人才。有无高校可以引进的。 我是勇敢牛牛 2026-02-13 刚刚
[天然药物 ] [已完结]求助:马钱子、麻黄生物碱过柱后的纯化 (1/388) wangyinliang 2011-05-14 2011-05-31 20:27:09 by wangyinliang
[天然药物 ] [已完结]反相硅胶再生 (5/633) ssvke 2011-05-30 2011-05-31 14:04:10 by happy-john
[天然药物 ] [已完结]HPLC 含量测定方法选择遇到问题了?? (1/517) hejiansgbo 2011-05-31 2011-05-31 13:56:30 by kkbyb
[天然药物 ] [已完结]文献求助! (0/118) yondplace 2011-05-30 2011-05-30 22:02:31 by yondplace
[天然药物 ] [已完结]液相检测 一般说最大吸收波长要比截至波长大20nm?? (评阅+1) (3/1574) zhengysigu 2011-05-24 2011-05-30 17:59:41 by jpf12927
[天然药物 ] 【求助】氯仿甲醇回收的问题    ( 1 2 3 ) (21/2501) 一生随袁 2010-10-21 2011-05-30 17:33:14 by jpf12927
[天然药物 ] [已完结]4mg样品如何做结构测试    ( 1 2 ) (13/1340) huangxing45 2011-05-29 2011-05-30 06:34:49 by y.q1025
[天然药物 ] MCI 上样量 (5/2108) Gary_LFLi 2011-05-24 2011-05-30 00:05:40 by lizhaoyun
[天然药物 ] [已完结]桑叶水、氯仿、正丁醇提取液的紫外光谱聚类分析 (3/827) 无名小书生 2011-05-28 2011-05-29 18:08:18 by qinhy
[天然药物 ] 【求助】皂苷比色法原理 (2/693) a137095048 2010-05-10 2011-05-29 12:29:18 by xiaoxiao270
[天然药物 ] 【求助】显色方法的选择 (3/2276) crazyofmj899 2010-04-28 2011-05-29 12:08:06 by yjc6819
[天然药物 ] [已完结]【求助】H谱 帮忙看下是哪类天然产物 (7/1058) taiyang0209 2011-05-27 2011-05-28 14:49:20 by bluekinghuang
[天然药物 ] [已完结]请高手帮忙看看这个化合物的氢谱 (6/1647) 041033045009 2011-05-26 2011-05-28 09:01:44 by 041033045009
[天然药物 ] [已完结]如何查询某种植物中已经被分离的成分有哪些 (5/1017) huangxing45 2011-05-27 2011-05-27 15:39:19 by samurai6592
[天然药物 ] [已完结]谁帮我同学解谱,在线等 (7/631) 5836755 2011-05-25 2011-05-27 08:56:20 by wanyiku
[天然药物 ] [已完结][关贴]求问哪里有卖丹参酮ⅡB的? (6/956) hqaiiq 2011-05-15 2011-05-27 08:19:01 by hqaiiq
[天然药物 ] [已完结]提取物质 (4/390) terry098 2011-05-25 2011-05-27 01:24:56 by dzjiang
[天然药物 ] [已完结]我是新手,液相图出来了如何处理和分析?? (1/249) mislansans 2011-05-26 2011-05-26 11:01:14 by dxp20082008
[天然药物 ] 【求助】如何去除西红花色素,而把其他有效成分留住呢? (3/464) yzhlasiI 2011-04-02 2011-05-25 23:47:21 by yangyan2011
[天然药物 ] [已完结]总黄酮得量表示方法中的干重指的是?谢谢 (0/207) ladybird 2011-05-25 2011-05-25 22:54:53 by ladybird
[天然药物 ] [已完结]新鲜药材冷浸 (评阅+1) (5/439) willkuang 2011-05-23 2011-05-25 21:27:14 by willkuang
[天然药物 ] [已完结][关贴]帮忙查文献资料2 (2/237) ldq0501 2011-05-20 2011-05-25 20:52:20 by ldq0501
[天然药物 ] [已完结]查找文献 A carbon-13 NMR study of β-carboline alkaloids (评阅+2) (0/138) 290050003 2011-05-25 2011-05-25 19:02:04 by 290050003
[天然药物 ] [已完结]凝胶再生 (7/1161) yzgh 2011-05-23 2011-05-25 16:18:08 by 5836755
[天然药物 ] [已完结]ODS-HG柱材料实验前期怎么处理 (0/427) 529802747 2011-05-25 2011-05-25 15:20:38 by 529802747
[天然药物 ] [已完结]水饱和正丁醇、氯仿同时萃取某个溶于水中的样品 (4/1560) Nicolelike 2011-05-25 2011-05-25 14:00:09 by Nicolelike
[天然药物 ] [已完结]液相 (3/474) zhaozhisong 2011-05-24 2011-05-25 09:42:22 by xiaoxiao270
[天然药物 ] [已完结]红丝线,山蓝,紫蓝草? (0/432) qianru 2011-05-24 2011-05-24 18:36:02 by qianru
[天然药物 ] 大孔吸附树脂哪家的好? (金币≥2)(4/105) yayame 2011-05-22 2011-05-24 17:35:38 by 长江水2009
[天然药物 ] [已完结]ODS柱 (1/670) gaochangsong 2011-05-23 2011-05-24 17:33:57 by bluekinghuang
[天然药物 ] 取代环己酮的相对构型 (0/301) 周辛夷 2011-05-24 2011-05-24 17:13:58 by 周辛夷
[天然药物 ] [已完结]徐长卿药用成分和特征成分 (1/648) xubaolin219 2011-05-24 2011-05-24 16:05:44 by syhorchid
[天然药物 ] [已完结]冲硅胶柱没有洗下东西???????    ( 1 2 ) (金币≥50)(14/139) bravexueli 2011-05-20 2011-05-24 13:31:09 by lscnumen
[天然药物 ] [已完结]求解析核磁谱图 (1/276) zhuzhigang 2011-05-24 2011-05-24 11:50:21 by caizhengjun
[天然药物 ] [已完结]急问:文献上银杏黄酮提取率为什么有80%和1.8%两种? (3/1051) nancy108 2011-05-23 2011-05-24 09:38:32 by 鸭绿江畔
[天然药物 ] [已完结]请问这是齐墩果酸的氢谱吗 (3/751) 041033045009 2011-05-23 2011-05-24 08:46:47 by xiaoxiao270
[天然药物 ] [已完结]请问做挥发油提取时为什么会用到正己烷? (评阅+1) (5/2913) backcity 2011-05-21 2011-05-23 22:27:35 by 剑客
[天然药物 ] [已完结]质谱值与计算值相差10ppm内能发什么文章 (评阅+1) (1/1081) 苏打 2011-05-23 2011-05-23 16:50:53 by xiaoxiao270
[天然药物 ] [已完结]有关下列三种化合物的名称和核磁数据或相关文献 非常感谢!!! (0/311) 394506437 2011-05-23 2011-05-23 09:58:52 by 394506437
[天然药物 ] 【求助】鞣质对照品 (1/210) liudifa 2011-03-16 2011-05-23 02:12:31 by dn124
[天然药物 ] [已完结]有哪些羽扇豆烷型三萜? (0/849) yaoshixs 2011-05-22 2011-05-22 21:30:07 by yaoshixs
[天然药物 ] [已完结]示差检测器 (5/926) zhaozhisong 2011-05-10 2011-05-22 21:19:33 by bunengchideo
[天然药物 ] 麻烦各位虫友帮忙看看这个英文修改意见是什么意思? (1/537) liuzhengbo20 2011-05-22 2011-05-22 10:53:44 by yaya213
[天然药物 ] [已完结]制备型HPLC流分的干燥 (3/889) wang0505 2011-05-21 2011-05-22 10:52:40 by shaohuiwu007
[天然药物 ] 如何让化合物析晶    ( 1 2 ) (10/2373) 041033045009 2011-05-18 2011-05-22 09:48:33 by 041033045009
[天然药物 ] [已完结]求助微譜數據庫帳號 (0/314) jiaweili2001 2011-05-21 2011-05-21 17:47:15 by jiaweili2001
[天然药物 ] [已完结]盐酸乙醇配置 (0/594) wangyinliang 2011-05-21 2011-05-21 15:24:55 by wangyinliang
[天然药物 ] 救救我啊 (13/1748) gaoaicai123 2011-05-19 2011-05-20 19:44:13 by gaoaicai123
[天然药物 ] [已完结][关贴]帮忙查文献资料4 (1/603) ldq0501 2011-05-20 2011-05-20 19:14:44 by WANTTOKNOW
[天然药物 ] 种子类药物挥发油的提取 (0/253) backcity 2011-05-20 2011-05-20 18:52:16 by backcity
[天然药物 ] [已完结]查文献 (1/329) ldq0501 2011-05-20 2011-05-20 16:04:03 by jiangchunyong
[天然药物 ] [已完结]生物碱检测的假阳性结果 (4/1376) sunshinexy 2011-05-19 2011-05-20 16:03:55 by sunshinexy
[天然药物 ] [已完结]帮忙查文献资料 (0/98) ldq0501 2011-05-20 2011-05-20 15:26:01 by ldq0501
[天然药物 ] 【求助】求购MCI (2/304) xpw2010 2011-03-29 2011-05-20 14:08:56 by zcsyyk
[天然药物 ] 阳离子交换树脂一定要用水做溶剂吗?可以少加水多用醇吗? (2/868) 鑫瞳 2011-05-19 2011-05-20 13:10:34 by hgk103
[天然药物 ] [已完结]请问大家,如何有效的从动物血清中提取性激素? (评阅+1) (4/963) laoyisng1122 2011-05-19 2011-05-20 10:32:34 by laoyisng1122
[天然药物 ] [已完结]请教高手有关Reaxys的使用!十分感谢啊 (1/725) zhangyongzky 2011-05-19 2011-05-19 23:20:53 by l67616417
[天然药物 ] [已完结]请教高手COSY\ROESY双箭头怎么画呢? (3/1268) zhangyongzky 2011-05-18 2011-05-19 23:07:25 by zhangyongzky
[天然药物 ] 打谱前如何处理样品 (金币≥10)(5/94) muchong1015 2011-05-17 2011-05-19 20:38:27 by happyboyhb2
[天然药物 ] [已完结]谁有关于大孔树脂分离纯化的外文文献? (0/286) kioku 2011-05-19 2011-05-19 15:02:48 by kioku
[天然药物 ] 【交流】小木虫第一个 Natural Products (天然产物) 家族 成立啦!    ( 1 2 ) (评阅+1) (73/3103) wushibiao 2010-12-06 2011-05-19 11:48:43 by 花幽子
[天然药物 ] [已完结]求助啦! (3/491) xorlins 2011-05-18 2011-05-18 23:14:46 by kaola0916
[天然药物 ] [已完结]呫吨怎么读音? (5/12991) cyr001 2011-05-15 2011-05-17 20:14:07 by 谈判陶
[天然药物 ] [已完结]做抑菌试验,水提物不能完全溶解,怎么办好呢 (评阅+1) (2/975) year2009zl 2011-05-17 2011-05-17 20:01:03 by yamisr
[天然药物 ] [已完结]做大孔树脂的虫友请现身~ (金币≥10)(1/96) lyn_zoe 2011-05-17 2011-05-17 11:32:37 by HSCCC
[天然药物 ] [已完结]鱼腥草细分 (6/1231) bravexueli 2011-05-14 2011-05-17 06:16:48 by yw9833
[天然药物 ] [已完结]皂苷类和糖类用什么材料分离效果比较好? (8/858) jrbin 2011-04-22 2011-05-17 01:02:32 by 野人-贺
[天然药物 ] [已完结]关于中药提取鉴别方面的Ei或者SCI级别的杂志有哪些? (3/1623) risky1985 2011-05-14 2011-05-16 18:26:18 by 雨夜漫步
[天然药物 ] [已完结]挥发油的提取溶剂 (2/857) xixi961928 2011-05-15 2011-05-16 14:47:11 by xixi961928
[天然药物 ] [已完结]求助,葛根提取物熔融硬化问题,急! (3/525) hexinhua79 2011-05-10 2011-05-16 13:26:58 by hexinhua79
[天然药物 ] [已完结]天然提取物肿瘤试验如何保证提取物无菌? (3/1006) chendeli9999 2011-05-15 2011-05-15 20:46:32 by wchn1985
[天然药物 ] [已完结]求助 (1/305) zhanghuan206 2011-05-14 2011-05-15 15:57:54 by xiaodu2007693
[天然药物 ] [已完结]化合物颜色求教 (6/1509) cat-liujiang 2011-05-14 2011-05-15 15:37:49 by xiaodu2007693
[天然药物 ] [已完结]旋转蒸发仪的问题 (4/1177) little87 2011-05-14 2011-05-14 14:47:34 by little87
[天然药物 ] [已完结]挑晶体之前怎么处理样品? (评阅+1) (0/202) orangetear 2011-05-14 2011-05-14 10:56:57 by orangetear
[天然药物 ] [已完结]急求回复 (7/531) zhuanqiu 2011-05-13 2011-05-14 10:02:48 by pwenli
[天然药物 ] 【求助】菜鸟 求助:如何识别H-H COSY 及NOESY? (7/1840) arkingdom 2011-01-22 2011-05-14 00:15:20 by arkingdom
[天然药物 ] [已完结]求助文献 (评阅+1) (0/262) feixiang1788 2011-05-13 2011-05-13 17:00:55 by feixiang1788
[天然药物 ] [已完结]UPLC-QTOF图谱 (评阅+1) (0/673) zqxsh666 2011-05-13 2011-05-13 15:19:22 by zqxsh666
[天然药物 ] [已完结]求助~~从核磁谱(氢谱,碳谱)中,怎么能看出是木糖还是阿拉伯糖? (6/2459) 羽化登仙CY 2011-05-12 2011-05-13 12:42:15 by 羽化登仙CY
[天然药物 ] 【求助】摸索高速逆流条件 (评阅+1) (金币≥10)(10/52) muchong1015 2011-04-07 2011-05-13 11:27:19 by lunchlanqi
[天然药物 ] [已完结]求助 (金币≥3)(1/43) leeyangchao 2011-05-11 2011-05-13 07:39:21 by gwmgyp
[天然药物 ] [已完结]关于化合物碳谱化学位移对不上,需校正的问题。求高人解答... (8/2978) snk405 2011-05-11 2011-05-12 17:15:32 by yymslx2010
[天然药物 ] 这样萃取是否可行 (8/1231) woolyn@lu 2011-05-11 2011-05-12 15:14:14 by woolyn@lu
[天然药物 ] 下午冲柱子时特别难受,头晕口渴!请问大家一般怎么防止中毒,有哪些注意的?谢谢!    ( 1 2 ) (16/3420) 素炒河粉 2011-05-09 2011-05-12 14:09:13 by kdcmch
[天然药物 ] [已完结]指纹图谱 (3/692) 钦醉竹林 2011-05-11 2011-05-12 12:35:52 by aj2003
[天然药物 ] 梯度萃取的问题 (5/850) tweizhuo 2011-05-11 2011-05-12 11:01:00 by junezeng
[天然药物 ] 聚酰胺 上样溶液可以是酸性的吗? (4/1337) tweizhuo 2011-05-10 2011-05-12 10:24:30 by 鸭绿江畔
[天然药物 ] [已完结]乙醇回流 (8/2891) wjl725 2011-05-11 2011-05-12 10:16:32 by 丫头是晴天
[天然药物 ] [已完结]想上正相柱,样品不溶解怎么办?    ( 1 2 ) (PhEPI+1) (金币≥100)(12/78) herry1986zlj 2011-05-09 2011-05-12 09:43:57 by 丫头是晴天
[天然药物 ] [已完结]核磁解普    ( 1 2 3 ) (评阅+1) (24/1591) piaoxiang34 2011-05-06 2011-05-12 09:42:17 by wanyiku
[天然药物 ] [已完结]怎么去掉片剂中的辅料 (2/875) terry890 2011-05-11 2011-05-12 09:41:45 by caizhengjun
[天然药物 ] [已完结]分析液相 (2/448) zhaozhisong 2011-05-12 2011-05-12 09:23:28 by caizhengjun
[天然药物 ] 【求助】求助大极性物质的分离    ( 1 2 ) (12/2128) taiyang0209 2011-04-08 2011-05-12 09:02:52 by lunchlanqi
[天然药物 ] 【求助】制备薄层后怎么处理? (评阅+1) (5/1144) 木南丫 2011-04-15 2011-05-11 21:29:38 by xlw818
[天然药物 ] 【求助】30%硫酸-乙醇显色后365观察显绿色得斑点是什么类型的化合物 (4/1321) sxd13664164960 2011-04-11 2011-05-11 20:53:57 by tiantian0405
[天然药物 ] 【交流】跑板拉条严重 (评阅+1) (6/699) tweizhuo 2011-04-13 2011-05-11 16:10:05 by blackcrossing
[天然药物 ] 肝素的溶解性 (0/902) tjlcqlf 2011-05-11 2011-05-11 15:52:43 by tjlcqlf
[天然药物 ] 浸膏萃取 (4/899) woolyn@lu 2011-05-11 2011-05-11 12:49:58 by yamisr
[天然药物 ] [已完结]求高人指点nimbidol是什么物质,有什么活性? (评阅+1) (1/369) white521 2011-05-03 2011-05-11 11:12:54 by caizhengjun
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