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    [热点] 小论文投稿 必上岸168 2025-12-14 刚刚
    国外影响因子1.0左右的化学类期刊有那些 5 (6/245) boboabc-1983 2008-02-29 2008-03-01 02:33:07 by shuibinglao
    如何利用代谢工程原理构建一株利用秸秆类生物基生产燃料酒精的酿酒酵母工程菌 1 (2/87) zhk123 2008-02-29 2008-03-01 02:08:33 by mengbaiyang
    1500金币求LJF论坛邀请码或者帐号 200 (5/160) ganming88 2008-02-25 2008-02-29 23:45:13 by sungzk
    怎样区分以下几种生物活性啊？ 3 (0/58) qgtan 2008-02-29 2008-02-29 22:40:08 by qgtan
    顺序注射分光光度法 5 (1/55) yaya2008 2008-02-29 2008-02-29 22:13:04 by power5111
    分子泵电源频率是干什么的 (5/239) Thether 2008-02-29 2008-02-29 21:26:04 by knightstar
    求助 硼酸 有关问题 20 (6/172) davos 2008-02-29 2008-02-29 19:55:46 by knightstar
    求张矢主编《植物原料水解工艺学》电子版，给30币，在线急等 (3/119) lhzcn 2008-02-29 2008-02-29 19:16:13 by yeyun
    如何在其他板块发布有奖问答的帖子， 1 (2/80) bbc123qwer 2008-02-29 2008-02-29 19:08:53 by bbc123qwer
    烟用二醋酸纤维素丝束生产装置 20 (0/74) 19770918 2008-02-29 2008-02-29 18:51:46 by 19770918
    求矿物与岩石的PPt (3/122) susanfu 2008-02-26 2008-02-29 17:45:18 by alatin
    1200金币求实验程序编程（可能用到VB）    ( 1 2 3 4 ) 110 (33/1661) psysun 2007-12-26 2008-02-29 17:14:55 by hlq_118
    10金币求助二甲醚气体的动力学直径是多少？ (1/108) ddd1983 2008-02-29 2008-02-29 17:09:20 by fegg7502
    请问得了胰腺癌，有什么办法延长寿命？    ( 1 2 3 4 5 ) 20 (评阅+2) (45/842) dxiaoqing 2007-12-25 2008-02-29 16:14:48 by knightstar
    火车票代售点能购异地票吗    ( 1 2 ) (19/323) xgrqwxx 2008-01-23 2008-02-29 16:01:57 by wxp2006106416
    有关油酸钠溶液颜色的问题 (3/202) 寄生草 2008-02-29 2008-02-29 14:39:35 by guojialh
    求浙江大学研究生复试细节及导师选择（专业：高分子） 6 (6/192) bbc123qwer 2008-02-28 2008-02-29 14:30:34 by zhaoruiqiang
    请教：关于文档移动的问答。 (1/74) workyx 2008-02-29 2008-02-29 14:27:01 by haohao2008
    论文投稿问题求助 (5/178) 小酒窝 2008-02-29 2008-02-29 14:03:40 by jmliu1982
    Title是什么意思 (5/555) yangyuj 2008-02-26 2008-02-29 13:29:40 by knightstar
    求助:高效液相色谱使用注意事项 (3/606) 缤纷海洋 2008-02-29 2008-02-29 13:27:04 by juniper
    求购D代硼氢化钠 8 (1/84) dnazyme 2008-02-28 2008-02-29 13:03:08 by sunnyjane
    已找到，取消求助，请斑竹删贴 10 (1/76) zhangyu7901 2008-02-28 2008-02-29 12:21:49 by zhangyu7901
    求助Tetrahedron近期图文摘要-谢谢,急！！！ (2/64) gyg 2008-02-29 2008-02-29 12:03:35 by gyg
    25%溴化氢－醋酸溶液的制备 6 (1/139) yufu0522 2008-02-29 2008-02-29 11:55:44 by yufu0522
    硅烷偶联剂A171的纯度级别 3 (0/53) shaohaibin 2008-02-29 2008-02-29 11:38:15 by shaohaibin
    word或者excel中这个表的线如何断开 (7/200) liuxin9989 2008-02-27 2008-02-29 11:35:52 by wuhezhou
    求助结束    ( 1 2 ) 198 (13/367) wangzewen 2008-02-28 2008-02-29 11:31:59 by qiyuan9902
    紧急求助！煤粉与钢管的摩擦阻力系数 3 (0/47) ward163 2008-02-29 2008-02-29 11:10:53 by ward163
    一道考试题,请求大家帮忙 1 (1/125) 竞翔 2008-02-27 2008-02-29 10:37:14 by xiaoguopingfxw
    三氟乙酸镱的制备方法(已解决) 2 (1/140) ph18 2008-02-29 2008-02-29 10:25:44 by SYMSTONE
    （已解决，请版主代发金币，谢谢）急求宝宝名字，爸爸姓支，妈妈姓姚；    ( 1 2 3 4 5 ) (评阅-9) (40/719) 笑眯眯乐 2008-02-27 2008-02-29 09:36:42 by callusjosephine
    考研英语用书    ( 1 2 ) (18/828) lake688123 2008-02-27 2008-02-29 09:26:50 by yogasplendid
    想买个硬盘盒    ( 1 2 ) (11/146) wuhuajiang 2008-02-28 2008-02-29 09:09:33 by CCstrike
    求助：三乙基膦问题 2 (4/111) sumwindy 2008-02-28 2008-02-29 09:02:42 by sumwindy
    谁告诉我怎么提高自己的金币数量，我是新手？ (8/263) mingliangzhu 2008-02-27 2008-02-29 08:41:00 by 057209
    求单层膜的简单制备工艺 10 (5/177) jiyu_pet 2008-02-28 2008-02-29 08:40:48 by lxtxgn
    醌式和酚式的极性大小比较 5 (3/142) 冯师兄 2008-02-28 2008-02-29 00:24:28 by wangzy1000
    Methyl propyltrisulfide（求助完毕，请版主帮我各扣一个BB给２，４楼的，谢谢） (评阅-2) (3/83) sniffer 2008-02-28 2008-02-28 23:39:38 by alatin
    求2篇文献的title (1/67) photocatalysis 2008-02-28 2008-02-28 23:38:09 by list1111
    求环氧脂肪酸甲酯英文合成专利 6 (0/60) zpy22 2008-02-28 2008-02-28 23:28:32 by zpy22
    （求助完成）求一８位QQ，发５０金专门帖 (3/149) knightstar 2008-02-28 2008-02-28 23:15:51 by 零点宝宝
    求张跃《精细化工中间体生产流程图解》中关于环氧大豆油的生产方法 (2/208) Plain 2008-02-28 2008-02-28 23:05:50 by cjg820
    想构建宏基因组文库 90 (2/173) nnfyw 2008-02-28 2008-02-28 22:58:04 by power5111
    10个金币求助,本人后天欲应聘三一重工请三一重工的大虾给指点迷津,急盼! 10 (0/109) dh8866 2008-02-28 2008-02-28 22:51:42 by dh8866
    求河北省公务员考试历年真题(完) 50 (1/167) liumang15 2008-02-28 2008-02-28 22:43:59 by power5111
    求助结束，自己已解决 20 (0/46) 风声 2008-02-28 2008-02-28 22:32:06 by 风声
    问东莞日之泉蒸馏水公司待遇。 1 (3/87) hailei323 2008-02-28 2008-02-28 22:12:30 by akbobo
    求助选矿厂学要哪些药品 50 (1/101) 城市落叶 2008-02-28 2008-02-28 21:34:11 by alatin
    丁基再生胶的硫化 1 (1/78) wangch501 2008-02-28 2008-02-28 21:31:27 by wangch501
    【10金币求助】TABLETS, Subdivision of tablets (PhEur, 5.5, p. 4166 10 (3/68) thuens 2008-02-26 2008-02-28 21:27:53 by WANTTOKNOW
    如何合并两个独立的opj文件？ (3/111) juloong 2008-02-28 2008-02-28 21:13:08 by juloong
    求助Ru2Cl4((R)-BINAP)2催化剂的CAS号以及中文名 (3/220) rocknow 2008-02-28 2008-02-28 21:08:11 by juniper
    请问能够稀释油漆的溶剂有哪些，要味道小一点的 6 (2/131) junfeng80 2008-02-28 2008-02-28 21:01:56 by 山核桃
    请问这样的工作还值得干下去吗?    ( 1 2 3 ) (23/846) dxiaoqing 2008-02-26 2008-02-28 21:01:42 by insomnia390
    已完成，谢谢关注（为一杨姓男孩取名）    ( 1 2 3 4 ) (34/983) 爱神嘟嘟 2008-02-26 2008-02-28 20:56:46 by sks803
    化工企业喜欢有什么证书的毕业生 (6/141) 掉在岸上的海 2008-02-28 2008-02-28 20:51:06 by 山核桃
    急求macromolecular Physcis信息 1 (0/58) zhentian1983 2008-02-28 2008-02-28 20:44:31 by zhentian1983
    帮忙翻译epimeric alcohols (5/126) 月亮弯弯 2008-02-28 2008-02-28 20:37:30 by knightstar
    文献求助，急 10 (评阅-2) (2/70) gyg 2008-02-28 2008-02-28 20:17:50 by gyg
    3金币求助一美国专利全文（已被应助）！ (2/82) aiyuanzh 2008-02-28 2008-02-28 20:14:50 by alatin
    请高手指点芳香族异氰酸酯类化合物脱色的问题？ 1 (1/109) archeryan 2008-02-27 2008-02-28 20:10:26 by cjg820
    有没有实验室药品管理的数据库？ 2 (2/171) wuhuajiang 2008-02-28 2008-02-28 19:51:58 by wuhuajiang
    寻求有机酸含量测定仪 3 (1/80) liucotton 2008-02-28 2008-02-28 19:46:47 by alatin
    20金币求徐姓男孩名    ( 1 2 3 4 5 6 .. 9 ) 6 (84/1943) zeng1986kai 2008-01-08 2008-02-28 19:45:16 by ganjq0716
    5金币求助一文献 5 (0/70) aiyuanzh 2008-02-28 2008-02-28 19:17:09 by aiyuanzh
    恳请指教！氨基酸的还原 10 (0/66) jxd1990 2008-02-28 2008-02-28 19:12:42 by jxd1990
    胡姓宝宝取名（女孩）    ( 1 2 3 ) 1 (29/587) yjshjb 2008-02-25 2008-02-28 19:02:03 by 秀秀810
    （结贴）酚醛泡沫{20金币酬谢} 15 (2/125) flydreams 2008-02-28 2008-02-28 18:59:34 by alatin
    10个金币求名啊，呵呵！    ( 1 2 3 4 5 ) (47/636) hankofan 2008-02-22 2008-02-28 18:22:05 by snowfish
    蓝屏问题 (5/132) xiaoyuehua 2008-02-26 2008-02-28 18:21:47 by hailei323
    散金币    ( 1 2 3 4 ) (30/636) hdk0131 2008-01-29 2008-02-28 18:04:29 by whui10001
    word文件为什么打不开？ (4/125) wutongyu 2008-02-28 2008-02-28 17:29:40 by CCstrike
    胡姓宝宝取名（女孩） 1 (9/160) yjshjb 2008-02-25 2008-02-28 17:29:15 by davos
    电化学问题 (1/71) guanjintao 2008-02-28 2008-02-28 16:58:28 by wangfeng521
    求一篇申请省级重点实验室的申请书 6 (2/315) jerry596 2008-02-28 2008-02-28 16:45:40 by ph18
    求动物骨骼肌组织ATP含量测定预处理方法 10 (2/164) caojinxuan 2008-02-27 2008-02-28 16:16:22 by caojinxuan
    问DNA回收中如何避免溴化乙啶中毒 3 (5/106) caojinxuan 2008-02-27 2008-02-28 16:12:23 by caojinxuan
    基因组测序 3 (3/68) 冰眉儿 2008-02-28 2008-02-28 15:43:21 by clqxyz
    询问做PL(光致发光)的高手 6 (4/156) lanxinqing 2008-02-27 2008-02-28 15:09:49 by lanxinqing
    怎样得知具有п-п堆积作用的两个大环分子间的面面距离 2 (0/82) chyy82 2008-02-28 2008-02-28 14:54:56 by chyy82
    查找文献需要什么？ 1 (5/182) sjx666 2008-02-28 2008-02-28 14:25:20 by ljz88
    有谁知道分子筛使用方法    ( 1 2 ) (19/507) aking313 2008-02-25 2008-02-28 14:19:52 by kingchem2008
    5金币求一文献 5 (4/388) 柳成阴 2008-02-28 2008-02-28 13:23:34 by 柳成阴
    求助文献,急! 10 (评阅-2) (1/72) dingqianchang 2008-02-28 2008-02-28 13:15:32 by xjxlovelxl
    50金币求河北省公务员考试真题 1 (0/81) liumang15 2008-02-28 2008-02-28 12:48:02 by liumang15
    求香港浸会大学化学系XPS仪器的产地和品牌 10 (0/116) photocatalysis 2008-02-28 2008-02-28 12:37:05 by photocatalysis
    20金币求溶解乙炔设计规范和溶解乙炔设备标准 20 (金币≥1)(0/7) accumulate123 2008-02-28 2008-02-28 12:33:36 by accumulate123
    求助完成 13 (5/161) 水草 2008-02-26 2008-02-28 12:22:45 by zhenyanweixiao
    endnote中没有想要的manuscript templates的怎么办 2 (2/418) snowmail2000 2008-02-28 2008-02-28 12:16:03 by zhenyanweixiao
    灰份，与飞灰、底渣的关系？ 4 (0/66) liguanghui 2008-02-28 2008-02-28 12:04:56 by liguanghui
    请问,测溶液中阴离子浓度该用何设备,送金10枚 10 (2/45) stevenwen 2008-02-28 2008-02-28 11:59:09 by woommoow
    求助施图伦滴眼液标准 60 (3/119) yuhao8899 2008-02-28 2008-02-28 11:32:36 by zhanglongwei
    求指纹图谱相似度分析软件（最好附使用说明） (3/176) luhua8307 2008-02-27 2008-02-28 11:32:05 by kelg
    wamd用什么可以溶解啊？ (1/55) wangchunzheng 2008-02-28 2008-02-28 11:22:37 by melom
    已知蛋白质一级结构，推测二级，三级结构的软件　有那些？ 10 (2/176) science2008 2008-02-28 2008-02-28 10:54:15 by power5111
    怎样转金币 1 (2/113) chemistry811 2008-02-27 2008-02-28 10:04:12 by zyfancauc
    76-1A型玻璃恒温水浴 (2/112) lzheng1021 2008-02-24 2008-02-28 09:41:33 by lzheng1021
    word字体设定    ( 1 2 ) (17/859) dcb005 2008-02-26 2008-02-28 09:31:21 by banjunfeng
    5金币求 四季（重点春季和冬季）养生课件 5 (1/63) shawsrank 2008-02-27 2008-02-28 09:29:48 by hezhi200512
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