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    [热点] 溴的反应液脱色 18232227466 2026-01-16 刚刚
    [石油软件] 求助:活性白土为什么具有脱色能力 (4/470) fallingstar 2008-05-26 2008-05-27 10:16:47 by fenglianxiang
    [石油软件] 安托因常数查询 (2/2841) Beijixing-qbz 2008-05-26 2008-05-26 15:49:20 by Beijixing-qbz
    [石油软件] [求助]怎么鉴别水溶液里还有没有残余的聚丙烯酸钠? (金币≥2)(4/71) manman138 2008-05-13 2008-05-26 11:58:01 by woodlouse
    [石油软件] 请问:硫醚用什么溶液来萃取? (2/107) 竹子870 2008-05-21 2008-05-26 11:08:53 by 竹子870
    [石油软件] [关贴]搞石油的虫友,推荐一个网站 (4/212) 苦海无边 2008-05-24 2008-05-25 12:03:35 by jinenqi
    [综合其他] 请问:OCr13是什么 (4/693) zbl0304 2008-05-20 2008-05-25 11:33:37 by jzthjdzh
    [综合其他] [求助]搅拌桶的问题 (4/275) chengyu1985117 2008-05-22 2008-05-24 23:26:01 by 醉乡常客
    [石油软件] [关贴]免费提供论文 (4/188) 笨小孩6738 2008-05-22 2008-05-24 14:31:27 by 笨小孩6738
    [石油软件] 求助!!加热滴涂问题 (1/132) fzhang239 2008-05-22 2008-05-23 16:55:54 by fzhang239
    [石油软件] [求助]有谁可以告诉我附件的流程图是用什么软件画的    ( 1 2 ) (10/541) chengyu1985117 2008-05-22 2008-05-23 16:52:07 by miyong1981
    [石油软件] [求助]甲醛传感器 (2/168) 笨小孩6738 2008-05-22 2008-05-23 15:45:36 by fenglianxiang
    [石油资料] 求助物质的沸点 (6/492) 猪也能飞 2008-05-14 2008-05-23 15:31:42 by fenglianxiang
    [综合其他] 注册安全师讲座 (金币≥1)(0/136) fengzhizi001 2008-05-23 2008-05-23 11:47:30 by fengzhizi001
    [石油软件] 请教各位虫虫,如何在酸性水溶液中萃取铁离子或者钛(盐酸氧钛) (2/213) czskiu 2008-05-22 2008-05-23 10:48:44 by czskiu
    [石油软件] 糖精生产 (2/198) kaiweihuang 2008-05-16 2008-05-23 06:16:48 by wuguohong
    [石油资料] colloids and interfaces with surfactant (1/105) xiangqi036 2008-05-10 2008-05-22 21:37:34 by kcfreedom001
    [石油软件] 求助!想考化工方面研究生,不知道哪个专业和方向好找工作!    ( 1 2 3 ) (28/1727) 阿果 2008-04-09 2008-05-22 20:24:11 by haibolan
    [综合其他] [求助]实验室测量空冷器管束的腐蚀情况用什么方法比较方便啊? (1/116) snail1111 2008-05-22 2008-05-22 19:42:15 by foxhounds
    [石油软件] 求助:二甲醚的分析方法 (3/302) 云海孤鸿 2008-05-11 2008-05-22 15:48:22 by cgm788
    [石油软件] 化工环保探讨 (1/203) nujinux 2008-05-22 2008-05-22 15:47:35 by kaiweihuang
    [石油软件] 求助:抑制矿石中二价铁离子的浸出 (7/793) babyblue09 2008-05-05 2008-05-21 20:33:54 by pb9921
    [综合其他] (已结束)请教:一个女生高考志愿的填报    ( 1 2 3 4 5 ) (42/1289) tianzongchangan 2008-04-27 2008-05-20 12:42:45 by tianzongchangan
    [综合其他] 求助 关于郑州大学考研的一些情况~ (2/171) 邯郸吉吉 2008-05-14 2008-05-19 18:16:58 by lan_123
    [石油软件] 求助:制备高铁酸钾时出现的问题 (1/266) race503 2008-05-19 2008-05-19 12:22:04 by fangyuan2004
    [石油软件] 请教:树脂的性质 (9/512) 横笑天225 2008-05-15 2008-05-19 10:21:48 by 横笑天225
    [综合其他] 求助高精度温度计 (4/215) mltgood 2008-05-16 2008-05-18 16:32:44 by dqwj
    [综合其他] 请教:学理科化学的能不能考注册化工工程师 (8/1006) mapple 2008-05-02 2008-05-18 10:09:42 by schsh123
    [石油资料] 化工原理实验讲义(前4章) (金币≥1)(0/220) chase586 2008-05-17 2008-05-17 16:28:31 by chase586
    [石油资料] 太阳能电池小知识 (评阅+1) (2/630) ruanlingfei 2008-04-29 2008-05-17 14:55:08 by smswenjuan
    [石油软件] 如何评价液液平衡数据的好坏 (4/495) wxjwq023 2008-05-11 2008-05-17 12:33:06 by kinghuatan
    [综合其他] 绿色化学与化工技术的新进展——访中国科学院院士、中国工程院院士闵恩泽 (评阅+1) (0/574) purpleboy623 2008-05-17 2008-05-17 10:56:21 by purpleboy623
    [石油资讯] 高油价下的投资机会:新能源之生物能源篇 (评阅+1) (0/166) purpleboy623 2008-05-17 2008-05-17 10:49:47 by purpleboy623
    [综合其他] 全球生物能源发展背后的利益格局 (评阅+1) (0/97) purpleboy623 2008-05-17 2008-05-17 10:19:53 by purpleboy623
    [石油软件] 请教如何制备四苯基氟化磷 (2/102) hanxin544 2008-05-16 2008-05-17 08:33:13 by chemvip
    [石油资料] 求化工分离工程的习题答案 (3/644) fangyuxiao 2008-05-16 2008-05-16 16:23:02 by fangyuxiao
    [石油软件] 如何用萃取的方法从水中提取正丁醇 (1/139) lcg329 2008-05-14 2008-05-16 14:06:54 by xfd
    [综合其他] 求助中科院大连化物所00~06年化工原理考研试题!!! (6/450) 追风少年996 2008-04-24 2008-05-15 13:47:25 by 小曼
    [石油软件] 请教:氯离子对色谱柱的作用 (2/236) yixiang83509 2008-04-26 2008-05-15 12:17:16 by hubuchem
    [石油软件] [求助]能溶解沥青质的溶剂 (3/505) wangbaoshi1983 2008-05-14 2008-05-15 10:40:32 by renyu
    [石油软件] 大家来讨论一个化工原理题 (4/351) leexianji 2008-05-10 2008-05-15 02:04:41 by leexianji
    [综合其他] 【求助】化工原理 黄少烈 邹华生 主编 答案? (5/543) tongjia12 2008-05-11 2008-05-14 17:22:24 by xzhdty
    [石油资料] 【求助】哪儿能购买油酸甲酯 (1/92) liuruijiexmc 2008-05-14 2008-05-14 17:03:27 by hxall
    [石油软件] 怎么用结晶的方法纯化纯化间氨基苯酚 (2/157) jiaojayjojo 2008-05-13 2008-05-14 14:39:54 by jiaojayjojo
    [综合其他] 关于地震,给化工版及虫友们的建议 (评阅+10) (5/314) 醉乡常客 2008-05-14 2008-05-14 11:48:43 by fangyuan2004
    [石油软件] 求助醋酸沸点与压力对照表 (2/693) changping 2008-05-13 2008-05-14 11:22:55 by princewye
    [石油软件] 有谁知道润滑油的成分 (1/120) dujing19841014 2008-05-13 2008-05-13 20:02:52 by clqxyz
    [石油资料] 请版主删除此贴,谢谢!    ( 1 2 ) (14/1202) huziguo 2008-04-30 2008-05-13 14:10:34 by xytsky
    [石油软件] 建议开设冶金讨论区 (7/377) yuxiaobo021 2008-03-06 2008-05-13 10:09:16 by ddq
    [石油软件] 有关硅粉的问题 (8/641) seahow 2008-05-09 2008-05-12 16:48:44 by seahow
    [石油软件] 求助精馏难题 (5/214) huineng0418 2008-04-25 2008-05-12 16:28:34 by huineng0418
    [综合其他] 请教:要从事化工行业,我可以怎样发展自己? (8/758) crazydog119 2008-03-25 2008-05-12 13:23:33 by zcs1227
    [综合其他] 求川大考研化工原理资料    ( 1 2 ) (评阅+2) (17/815) 醉乡常客 2007-06-07 2008-05-11 22:42:18 by 醉乡常客
    [石油软件] 求电子书 Chemical Reaction Engineering (2/229) 云海孤鸿 2008-04-12 2008-05-11 21:20:40 by 云海孤鸿
    [石油资料] 推荐一个可以免费下载化工书籍的好地方    ( 1 2 3 4 5 6 ) (56/3724) xinglong 2007-05-23 2008-05-11 13:04:33 by qingshui727
    [石油资料] 化学试剂中毒应急处理法 (0/137) qianyong2008 2008-05-11 2008-05-11 09:52:47 by qianyong2008
    [石油资料] 显示剂 (金币≥5)(0/55) qianyong2008 2008-05-11 2008-05-11 09:17:44 by qianyong2008
    [综合其他] 请问那位知道基元反应速率常数的估算? (3/331) happytan 2008-05-10 2008-05-11 08:49:45 by fangyuan2004
    [石油资料] 咱们论坛上有没有(化工设备基础,王绍良主编)的电子版 (2/239) ph019 2008-05-01 2008-05-11 00:36:09 by yichun_0414
    [综合其他] 石棉手套 (1/407) 蛋蛋1103 2008-05-10 2008-05-10 22:50:49 by hxall
    [石油软件] 柠檬酸中的结晶水怎么去除 (4/724) wuwu.1221 2008-05-07 2008-05-10 21:10:31 by jasonxu
    [石油软件] 请教化工进料问题    ( 1 2 ) (11/717) jasonxu 2008-04-25 2008-05-10 21:03:50 by jasonxu
    [石油软件] 请帮忙寻找原因:中试效果好于小试    ( 1 2 ) (11/759) hyliuyue 2008-05-07 2008-05-10 10:32:54 by qianyong2008
    [石油软件] 救助纯化水工艺的一些资料 (2/113) lazylord 2008-04-09 2008-05-10 08:25:40 by clqxyz
    [综合其他] 管理进,我建一个群61564437 (1/73) dyttang 2008-05-09 2008-05-09 21:39:28 by clqxyz
    [综合其他] 活动已结束[有奖活动]“我眼中的化工新工艺、新装备“专题讨论    ( 1 2 3 ) (评阅+10) (27/1146) fangyuan2004 2008-04-11 2008-05-09 20:38:18 by hnubaby
    [石油软件] 求助仪器信息网的积分 (4/270) xiaoxiao1226 2008-05-09 2008-05-09 13:06:43 by xiaoxiao1226
    [石油资料] 国家可再生能源相关政策法规汇总 (0/86) hn_xjl 2008-05-09 2008-05-09 11:01:39 by hn_xjl
    [石油软件] 硼酸分解温度? (2/939) wenfa2006 2008-05-07 2008-05-09 08:51:13 by wangang-lidan
    [综合其他] 请教关于pH试纸???? (9/684) bronzezt 2008-05-04 2008-05-09 01:16:49 by bronzezt
    [石油软件] 氯化亚铜干燥 (3/167) ypmeok 2008-04-19 2008-05-08 23:35:48 by 晓亮20030078
    [石油资讯] 华尔街日报:生物柴油难展宏图 (1/237) purpleboy623 2008-05-06 2008-05-08 16:47:53 by smxywqd
    [石油软件] 求助:针堵了 (2/97) ypmeok 2008-05-08 2008-05-08 12:50:59 by zlxqwer
    [石油软件] 求以天然气为原料年产10T合成氨脱硫毕业设计 (1/156) wangpeiyi0 2008-05-08 2008-05-08 10:21:15 by wangpeiyi0
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    [石油资料] Concepts of Chemical Engineering 4 Chemists (RSC '4' Chemists) (3/231) 卡宾 2008-05-21 2008-05-22 13:53:37 by kcfreedom001
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    [石油资料] 通用化工产品分析方法手册 (19/1055) lihai0910 2008-04-09 2008-05-13 13:44:01 by xytsky
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    [石油资料] 化工生产流程图解第三版    ( 1 2 ) (72/14537) 巴蒂 2007-10-09 2008-05-11 23:19:05 by johnsoan2005617
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    [石油资料] [关贴]请求版主删除此贴关贴 (3/188) zhang-81 2008-05-07 2008-05-07 12:35:35 by hzhhc
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