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[热点] 小论文投稿 必上岸168 2025-12-14 刚刚
[已完结]求助，是保护柱污染了吗？ (博学EPI+1)(9/761) achun666 2012-01-06 2012-01-06 13:35:05 by achun666
[已完结]异硫氰酸苯酯（PITC）的稳定性，做衍生化一定要用新开封的吗 (博学EPI+1)(5/1408) azcaban 2012-01-04 2012-01-06 12:33:10 by cindy_0116
[已完结]手机漫游如何订票？ (评阅+1) (博学EPI+1)(5/907) wqssfj1 2012-01-04 2012-01-06 12:11:24 by youyouyanr
[已完结][关贴]ipad的用途 (评阅-1) (3/506) 紫廷 2012-01-04 2012-01-06 09:55:34 by 通缉要饭
[已完结]KCl-LICL低共溶体系中K和锂的比例是多少 (博学EPI+1)(3/701) chenlingzhi 2012-01-05 2012-01-06 09:37:39 by hrzhou
[已完结]求助75mM、pH7.4磷酸钾缓冲液配方 (博学EPI+1)(9/2579) dujiquan 2011-06-03 2012-01-06 09:15:26 by liangxingqiu
[已完结][关贴]谁用过OxCal软件？ (0/2432) gis-li 2012-01-06 2012-01-06 09:11:02 by gis-li
[已完结]硫化钠与铜片 (博学EPI+1)(4/3629) 562637319 2011-12-14 2012-01-06 08:04:58 by 562637319
[已完结][关贴]管碟法测定抗生素生物效价 (0/435) wangleiaa 2012-01-05 2012-01-05 22:59:03 by wangleiaa
[已完结][关贴]请问高手们,金黄色葡萄球菌与产气杆菌容易互相染菌吗? (0/225) wangleiaa 2012-01-05 2012-01-05 22:46:45 by wangleiaa
[已完结]求助！hplc 摸索新化合物（新合成的me-too药物）的条件时，适宜保留时间范围？谢谢！ (博学EPI+1)(1/608) achun666 2012-01-05 2012-01-05 21:17:23 by 痴夷子皮
[已完结]火车票改签 (博学EPI+1)(5/1288) ldy1985 2012-01-05 2012-01-05 20:20:37 by nly8483
[已完结][关贴]ALN 基微带线 (1/303) zhang_ki 2012-01-05 2012-01-05 19:48:58 by kingslcq
[已完结]几所大学实验室情况介绍 (博学EPI+1)(1/505) cuifengyun11 2012-01-05 2012-01-05 19:16:19 by hblgczy
[已完结][关贴]3d -qsar (0/215) a381261760 2012-01-05 2012-01-05 16:47:15 by a381261760
[已完结]求：磁滞回线图中坐标的单位是什么？ (博学EPI+1)(2/1926) hongbinma 2012-01-02 2012-01-05 16:41:47 by tangs
[已完结][关贴]求助丙酸苄酯的红外光谱图 (1/327) oyj7148 2012-01-05 2012-01-05 15:13:18 by 痴夷子皮
[已完结][关贴]打印机漏墨 (3/494) yao1988 2012-01-04 2012-01-05 12:56:21 by swxcb
[已完结][关贴]钛铝合金作用？ (2/320) sm2011 2012-01-05 2012-01-05 11:55:50 by pooqqoop
[已完结][关贴]钾锌复盐，有吗？ (1/249) sm2011 2012-01-05 2012-01-05 10:42:05 by hrzhou
[已完结][关贴]求名 (评阅-1) (博学EPI+1)(8/1055) atao8201 2011-12-17 2012-01-05 09:54:22 by big5
[已完结][关贴]空间结构 (0/253) sm2011 2012-01-05 2012-01-05 09:45:21 by sm2011
[已完结]十二烷基磺酸钠在水中溶解后显什么性    ( 1 2 ) (博学EPI+1)(10/1687) @come_on@ 2012-01-04 2012-01-05 09:01:33 by xinmor
[已完结][关贴]有关电化学 (1/219) 543440474 2012-01-04 2012-01-05 05:54:33 by dong5696
[已完结][关贴]求沸石与水的接触角 (0/242) LE24 2012-01-05 2012-01-05 00:33:09 by LE24
[已完结][关贴]如何把苯环上的氨基给转换成羧基，求具体实验方案 (博学EPI+1)(9/3233) wlr1986 2012-01-02 2012-01-05 00:25:26 by 漩涡里挣扎
[已完结]麻烦大家帮帮忙，急~~ (博学EPI+1)(4/747) zq254 2012-01-04 2012-01-04 23:57:23 by winydy2012
[已完结]关于提高产率的问题 (博学EPI+1)(3/563) utopia1986 2011-12-27 2012-01-04 23:25:01 by turisaz
[已完结][关贴]王水中还原金 (评阅-3) (4/1729) xing1987415 2011-12-27 2012-01-04 23:07:10 by wine0431
[已完结][关贴]求工程流体力学泵与风机（伍悦滨、朱蒙生主编）的习题详解 (博学EPI+1)(2/1131) agang8088 2012-01-04 2012-01-04 23:03:19 by wine0431
[已完结][关贴]可以用Photoshop修改TEM的图片吗 (5/1069) hejiajie330 2012-01-03 2012-01-04 22:42:45 by wine0431
[已完结][关贴]求K2Ti4O9的导带和价带分别属于什么元素轨道 (0/236) 紫色蟹爪兰 2012-01-04 2012-01-04 21:16:04 by 紫色蟹爪兰
[已完结][关贴]ALN 基体清洗 (0/323) zhang_ki 2012-01-04 2012-01-04 19:06:21 by zhang_ki
[已完结][关贴]微热桥的相关知识 (1/238) Leonard89 2012-01-02 2012-01-04 18:36:26 by Leonard89
[已完结][关贴]射流风机模型边界条件设置 (0/374) huxiaochun 2012-01-04 2012-01-04 16:56:01 by huxiaochun
[已完结][关贴]谁懂得defy啊？ (4/454) wjhu002 2012-01-02 2012-01-04 16:22:07 by 活着就是折腾
[已完结][关贴]求助氯铂酸的使用 (博学EPI+1)(4/1066) sd4399129 2012-01-04 2012-01-04 15:43:24 by hotgun
[已完结][关贴]同样的晶型，XRD的用Scherrer 公式估算的晶体尺寸相差一个数量级可以说明什么问题? (5/598) huye19881414 2011-12-31 2012-01-04 12:59:50 by zbdfwq5777
[已完结][关贴]WO3分子的大小 (7/1354) b080040168 2011-05-16 2012-01-04 12:49:44 by zbdfwq5777
[已完结][关贴]求一篇共轭体系卤代的热稳定性文献 (0/153) anjie2009 2012-01-04 2012-01-04 11:03:30 by anjie2009
[已完结]请问哪位大侠知道有免费的标准可以下载的，小弟先拜谢啦？ 网站    ( 1 2 ) (博学EPI+1)(10/1136) feimi 2011-12-30 2012-01-04 10:39:43 by azcaban
[已完结][关贴]【求助】实验室设备上常用的保温材料有哪些 (8/1238) sdlwhkw 2011-12-29 2012-01-04 09:58:11 by 营养小蜜蜂
[已完结]求高手把这个有机物命名翻译成中文 (博学EPI+1)(2/897) 好好学习吧 2012-01-03 2012-01-03 23:23:33 by 韶远1
[已完结]关于考研的问题 (博学EPI+1)(7/834) yangyongjie 2011-12-17 2012-01-03 23:18:13 by qianguanglei
[已完结][关贴]求解答一个问题，急，谢谢 (3/335) jinbibo1987 2012-01-03 2012-01-03 23:03:41 by xinmor
[已完结]请求多元回归 (博学EPI+1)(5/428) 电泳 2012-01-02 2012-01-03 22:37:44 by liubencai
[已完结][关贴]分子筛压片成型后比表面积增加，求解 (博学EPI+1)(5/683) ruizhengqiu 2011-12-06 2012-01-03 22:08:39 by liulidongh
[已完结][关贴]求助檄文 (评阅-2) (博学EPI+1)(1/449) xueyingy 2012-01-03 2012-01-03 20:35:59 by xinmor
[已完结]请帮查一下以前的天气预报 (博学EPI+1)(3/747) maria229 2012-01-03 2012-01-03 19:20:57 by qfw_68
[已完结][关贴]硅酸胶体的制备 (博学EPI+1)(1/1771) my1003 2012-01-03 2012-01-03 16:39:08 by zb19821212
[已完结][关贴]哪里能找到索拉非尼比较详细的信息啊，主要是理化性质，有合成工艺更好 (0/222) ppm_lee 2012-01-03 2012-01-03 16:36:22 by ppm_lee
[已完结][关贴]在国家科技成果数据库怎样下载查询本项目发表论文全部列表 (1/928) linghu0527 2011-12-30 2012-01-03 13:22:33 by kingslcq
[已完结][关贴]+5价的W和+6价的W出峰位置 (0/154) 646628622 2012-01-03 2012-01-03 12:30:59 by 646628622
[已完结][关贴]请教制备金纳米棒的最早文献 (0/149) wj20051051 2012-01-03 2012-01-03 11:50:45 by wj20051051
[已完结][关贴]XPS分峰软件 (0/358) 646628622 2012-01-03 2012-01-03 10:26:12 by 646628622
[已完结][关贴]TDZ的配制 (1/803) xufeifei724 2012-01-02 2012-01-03 06:06:19 by qfw_68
[已完结][关贴]非线性方程组求解问题 (0/357) lfp2010 2012-01-02 2012-01-02 22:20:20 by lfp2010
[已完结]hplc 三乙胺扫尾剂 (博学EPI+1)(4/1719) achun666 2011-12-31 2012-01-02 21:25:30 by cathie_qi
[已完结][关贴]求帮忙 微生物修复农药污染方面的期刊哪些好投 (0/154) 彭亚军 2012-01-02 2012-01-02 20:46:57 by 彭亚军
[已完结][关贴]焦油的去除！！！ (博学EPI+1)(4/1049) yhluyao 2011-03-08 2012-01-02 17:49:29 by toujier
[已完结]有没有人冶金或者煤化工专业的虫子介绍几个好点的专业网址或者论坛地址呢？ (评阅+1) (博学EPI+1)(4/482) dove0413 2012-01-02 2012-01-02 17:00:48 by laomao123
[已完结]问题求助 (博学EPI+1)(1/610) longyunping 2012-01-02 2012-01-02 16:31:55 by hyde841008
[已完结][关贴]求助：Raman光谱分析 (3/410) hgxywyl 2012-01-02 2012-01-02 16:24:06 by hgxywyl
[已完结][关贴]打浆时间{2012.1.10日前} (博学EPI+1)(1/334) 兮兮235 2012-01-02 2012-01-02 15:16:05 by lxh1008100
[已完结][关贴]发射光谱 (0/177) anzhongfu 2012-01-02 2012-01-02 15:00:03 by anzhongfu
[已完结][关贴]实验数据拟合 (4/537) 以休那 2011-12-27 2012-01-02 13:54:47 by 以休那
[已完结][关贴]谢谢大家！ (2/324) wuxiaoyan06 2012-01-02 2012-01-02 13:22:16 by wuxiaoyan06
[已完结][关贴]关于蛋白酶活性测定的问题，求解~ (2/1412) fangfang0044 2012-01-02 2012-01-02 10:55:58 by fangfang0044
[已完结]这种实验结果图是用什么工具画出来的？ (博学EPI+1)(5/950) typhoon111 2011-12-29 2012-01-02 09:32:42 by abingchem
[已完结][关贴]求助S-Mn 的红外吸收峰位置，求文献支持 (评阅+1) (0/405) 飞鹰1568 2012-01-01 2012-01-01 23:48:11 by 飞鹰1568
[已完结][关贴]十六烷基三甲基溴化铵的聚集数是多少？（需有文献参考）谢谢！ (评阅+1) (0/164) 姜志强 2012-01-01 2012-01-01 20:46:58 by 姜志强
[已完结][关贴]表观米氏常数Km的计算方法？ (评阅+1) (0/2041) 1289622 2012-01-01 2012-01-01 19:04:24 by 1289622
[已完结]求助药明康德官方新浪微博 (评阅+1) (博学EPI+1)(2/662) 慕容秋迪 2012-01-01 2012-01-01 18:16:15 by 漩涡里挣扎
[已完结][关贴]求文献的 (5/415) hqaiiq 2011-12-30 2012-01-01 15:48:35 by wfzhangmeng
[已完结]少量样品的纯化 (博学EPI+1)(4/1114) iamliwei428 2011-05-16 2012-01-01 10:59:25 by ywj1986
[已完结][关贴]稀土配合物溶于乙醇，经过乙醚沉降出来，过一段时间为粘的 (2/547) gold20004557 2011-12-30 2012-01-01 09:42:20 by gold20004557
[已完结][关贴]活性硅酸盐？ (博学EPI+1)(3/494) xingrl 2011-12-07 2012-01-01 08:23:38 by xingrl
[已完结][关贴]抗压强度问题 (博学EPI+1)(7/704) lhl8233 2011-12-27 2012-01-01 02:05:03 by lhl8233
[已完结][关贴]表观米氏常数Km的计算方法？ (1/1679) 1289622 2011-12-31 2012-01-01 00:15:36 by LloveG
[已完结]磷酸铁锂XRD分析 (博学EPI+1)(9/3505) 刘伯温 2011-12-10 2011-12-31 23:17:37 by 刘伯温
[已完结][关贴]admantane和amantane (博学EPI+1)(1/286) idoit1982 2011-12-31 2011-12-31 20:13:36 by hblgczy
[已完结]请教哪里有ASP 网站框架下载呀 (博学EPI+1)(5/671) heye007 2011-12-29 2011-12-31 16:57:17 by 泥菩萨
[已完结]小木虫金币为什么会减少 (博学EPI+1)(8/1061) fy860401 2011-11-25 2011-12-31 16:37:13 by wit王贤晨
[已完结]【求助】需要宣传积分，帮忙点击一下下面连接即可 (博学EPI+1)(8/1437) linxue2192 2011-05-21 2011-12-31 16:05:44 by cgbin110
[已完结][关贴]实验讨论 (2/265) Miranda2 2011-12-31 2011-12-31 15:19:49 by 人在书城
[已完结][关贴]请教为什么隔对邻菲罗琳的荧光有猝灭的作用 (3/536) liuyanyan111 2011-12-31 2011-12-31 15:16:00 by 人在书城
[已完结][关贴]求显微傅立叶红外光谱测试。要求偏振光 (1/478) demonching 2011-12-29 2011-12-31 14:50:51 by kingslcq
[已完结][关贴]糖成环与不成环对反应结果有啥影响么？ (1/388) xhf402 2011-12-29 2011-12-31 14:48:51 by kingslcq
[已完结][关贴]关于共晶化合物的质量迁移的问题。 (2/309) dreampursuer 2011-12-26 2011-12-31 14:47:40 by kingslcq
[已完结][关贴]怎么做水蒸汽量与温度的关系曲线？ (2/588) Andy-Luo 2011-12-29 2011-12-31 14:46:34 by kingslcq
[已完结][关贴]求助查询三篇文章的收录情况 (2/293) elitefrank 2011-12-29 2011-12-31 14:46:14 by kingslcq
[已完结][关贴]在DNA的平头末端添加连续的A (评阅+1) (2/462) zjj_0512 2011-12-25 2011-12-31 14:45:54 by kingslcq
[已完结][关贴]DSC (3/336) wanglin59081 2011-12-28 2011-12-31 14:44:56 by kingslcq
[已完结][关贴]关于L-阿拉伯糖 (2/354) ggaoxiaoxia 2011-12-29 2011-12-31 14:44:33 by kingslcq
[已完结]菜鸟求助 N-甲基甲酰胺与氯吡啶缩合的反应有一定危险，是什么危险？ (博学EPI+1)(5/846) ppm_lee 2011-12-23 2011-12-31 14:44:21 by kingslcq
[已完结]红外强度修改 (博学EPI+1)(5/614) fg2009 2011-12-28 2011-12-31 14:43:55 by kingslcq
[已完结][关贴]怎么样能把焊锡溶解了？ (8/5132) 00410048yanling 2011-12-28 2011-12-31 14:42:54 by kingslcq
[已完结][关贴]Origin 7.0中拟合的直线如何延长与坐标轴相交 (博学EPI+1)(7/10188) jimmy0217 2011-12-29 2011-12-31 14:40:39 by kingslcq
[已完结][关贴]费休氏法容量滴定法测头孢西丁的水分，溶剂为什么是乙二醇：吡啶（3：1）而不是甲醇 (4/1168) yiran8858 2011-12-28 2011-12-31 14:40:22 by kingslcq
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