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    [热点] 今年春晚有几个节目很不错,点赞! 瞬息宇宙 2026-02-22 刚刚
    [石油软件] 化妆品的中间体好做吗?前景如何? (5/449) 好想抱抱你 2008-05-05 2008-05-06 22:00:26 by 好想抱抱你
    [综合其他] 求助 关于雷诺数~ (4/370) 邯郸吉吉 2008-05-05 2008-05-06 18:36:36 by 邯郸吉吉
    [综合其他] 郑平安:生物柴油这样炼出来 (0/373) purpleboy623 2008-05-06 2008-05-06 09:45:51 by purpleboy623
    [石油资料] [求助]二氧化钛粉 (1/114) huangwei982 2008-05-05 2008-05-05 18:44:31 by 残雪飘零
    [综合其他] 求助:Al2O3+Ti 的反应 (1/80) jyqintian0 2008-05-05 2008-05-05 16:19:51 by kweilin
    [综合其他] 计算离子运动问题! (1/84) happytan 2008-05-04 2008-05-04 19:48:01 by darliu
    [综合其他] 开题报告 (金币≥1)(2/147) mlahfd 2008-05-03 2008-05-04 18:49:44 by xyzf05d1
    [综合其他] 【求助】郁闷,生物化工是生物还是化工啊??? (5/530) qqcor 2008-05-03 2008-05-04 14:07:13 by qijilaji
    [石油资料] 固定管板换热器(立式)的全套图纸.rar (2/411) 赵雨涵 2008-05-01 2008-05-04 13:29:46 by 赵雨涵
    [综合其他] 请问乙醇和水的溶液是否属于易发泡物系 (6/725) gbb19860114 2008-05-02 2008-05-03 19:53:03 by njhoujp
    [石油软件] 求助:日用产品哪个最适应现在市场? (2/92) 好想抱抱你 2008-05-02 2008-05-03 18:18:57 by xuxiaolong1966
    [综合其他] 请教用光气合成双氯嘧啶的问题 (2/292) li1gu 2008-04-30 2008-05-02 18:25:39 by li1gu
    [石油软件] 生产洗涤剂有没有市场? (1/110) 好想抱抱你 2008-05-02 2008-05-02 17:23:24 by coolcj
    [石油软件] 求助:生产什么日化产品有市场 (2/134) 好想抱抱你 2008-05-02 2008-05-02 16:16:00 by chenyong3089559
    [石油软件] 常用化学软件综述(转载) (金币≥1)(1/192) 123456106 2008-05-01 2008-05-02 11:58:38 by wfs_bipt
    [石油软件] 寻求有前途的化工产品 (3/290) 荞麦 2008-04-25 2008-05-02 10:28:21 by 荞麦
    [综合其他] 求助 关于学校的选择 (3/155) 邯郸吉吉 2008-05-01 2008-05-02 09:14:37 by 邯郸吉吉
    [石油软件] 求助 有效容积中的体积流量问题 (4/393) 邯郸吉吉 2008-04-30 2008-05-02 09:05:43 by 邯郸吉吉
    [石油软件] 怎样分析HPLC检测物质图形 (评阅+2) (3/267) andyjuanliu 2008-05-01 2008-05-01 21:10:49 by hunter2002
    [石油资料] [关贴]基本分析 仪器分析 技术视频教程 真人讲解 演示 (2/304) 蓝风叙 2008-05-01 2008-05-01 16:55:34 by zhongyugg
    [石油软件] 膜技术交流QQ群 (评阅+2) (2/59) ai8878 2008-04-30 2008-05-01 13:47:11 by zchy
    [石油资料] 寻求:化肥工业丛书电子版的 (3/449) slei0558 2008-04-30 2008-05-01 00:02:09 by 风声
    [石油资料] 寻求:化学化工大辞典(上下册)电子版的, (1/369) slei0558 2008-04-30 2008-04-30 22:09:37 by 风声
    [石油软件] 常温浸泡清洗可能吗? (7/516) jhp_540564 2008-04-19 2008-04-30 08:56:25 by jhp_540564
    [石油软件] [关贴]小弟有时事请教各位 (3/99) 光辉岁月812 2008-04-28 2008-04-29 21:56:30 by 光辉岁月812
    [石油软件] 求助醋酸丙酯-水共沸组成 (1/148) wxjwq023 2008-04-29 2008-04-29 21:51:18 by qianfp
    [石油资料] 生物塑料:发展渐成熟 (评阅+1) (0/153) purpleboy623 2008-04-29 2008-04-29 20:03:29 by purpleboy623
    [石油资讯] 聚氨酯产业探寻可再生资源发展之路 (评阅+1) (0/203) purpleboy623 2008-04-29 2008-04-29 19:59:29 by purpleboy623
    [石油资料] [求助]哪里买沥青 (2/151) 姚艳波 2008-04-29 2008-04-29 19:43:37 by 姚艳波
    [石油资料] 润滑油知识 (评阅+1) (0/923) ruanlingfei 2008-04-29 2008-04-29 13:28:25 by ruanlingfei
    [石油软件] 寻找可与单糖类结合的物质 (1/101) clf0803 2008-04-23 2008-04-29 12:16:32 by tanduanming
    [石油资料] 请问谁有化工原理详解与应用这本书的电子版 (5/618) buffon11 2008-01-24 2008-04-29 10:06:24 by buffon11
    [石油软件] 帮忙解题有20金币奖励[/b]    ( 1 2 ) (11/805) fangming1271 2008-02-21 2008-04-28 19:43:34 by 冈日森格
    [石油资讯] 抛光类化工 (1/92) yangjavine 2008-04-28 2008-04-28 18:22:02 by fafa_du
    [石油软件] 怎样除去废酸中的油状物? (2/166) xiangdanyu 2008-04-26 2008-04-28 16:51:39 by donglucun1963
    [石油软件] 求助:分离工程与分离过程的区别是什么 (3/783) liujia785 2008-04-27 2008-04-28 12:40:32 by 2liupengfei
    [石油资料] 化学化工网址 大全 Web Sites for Chemistry and Chemical Engineering (9/1210) wu_pb 2008-04-19 2008-04-28 11:47:22 by kingzt2341
    [石油资讯] 请问:1,6-蒽酮的结构式是什么? (1/99) whitelily 2008-02-29 2008-04-28 10:39:40 by mapple
    [石油资讯] 药品安全问题入“深水区”(转自世易化工) (0/78) xuzhaofu 2008-04-28 2008-04-28 09:43:13 by xuzhaofu
    [石油软件] 请化工版的朋友帮帮忙,比色相关问题? (2/78) 风的誓言2007 2008-04-25 2008-04-27 22:41:49 by 风的誓言2007
    [石油软件] [求助]从事化工设计的入门化工制图书籍 (1/294) tornadokillove 2008-04-26 2008-04-27 15:21:46 by weilsun
    [石油资讯] 生物燃料成为众矢之的(转自世易化工) (6/378) xuzhaofu 2008-04-22 2008-04-27 11:00:57 by redwolf662
    [石油资料] [关贴]本人有大连化物所历年化工原理试题 (3/210) lyc7127041 2008-04-24 2008-04-27 08:51:03 by wyldcy
    [石油软件] 吸附量问题求助 (1/93) zjulry 2008-04-26 2008-04-26 23:03:42 by diablo818
    [石油资料] 生物柴油实验报告 (0/217) device 2008-04-26 2008-04-26 22:08:27 by device
    [石油软件] 求助一个石油化工的英文专业词汇 (2/318) jesuschrist 2008-04-25 2008-04-26 19:48:40 by djkj
    [石油资料] 求助:Chemical Reaction Engineering课后答案 (3/659) liugang66 2008-04-19 2008-04-26 17:36:41 by liugang66
    [石油软件] 铁粉还原后铁泥的过滤 (5/383) tingyu532 2008-04-23 2008-04-26 15:25:47 by xuxiaolong1966
    [石油资料] 求助HG/T2257—1991标准!!! (4/382) liuyee 2008-04-24 2008-04-26 09:32:49 by liuyee
    [石油软件] 硝酸铵结块性研究 (1/116) xiongbo20 2008-04-22 2008-04-26 03:48:58 by haifengz
    [石油软件] CA(美国文摘)查阅方法 (评阅+1) (金币≥1)(2/100) 邯郸吉吉 2008-04-24 2008-04-25 21:46:51 by 邯郸吉吉
    [综合其他] 请教锡的性质 (2/129) nears 2008-03-29 2008-04-25 17:39:06 by hali1981
    [石油软件] 形成共沸物后怎么蒸干? (5/416) morningwind 2008-04-18 2008-04-25 17:35:53 by morningwind
    [石油资讯] 求助:国内树脂厂的名称及网站 (1/105) 一流涧水 2008-04-25 2008-04-25 14:49:54 by tulip_fly
    [石油软件] 请教:无泡清洗剂 (4/356) 荞麦 2008-04-23 2008-04-25 10:42:45 by yungchong
    [石油软件] 有人做活性炭吸附苯酚么 (6/612) stonz 2008-04-09 2008-04-24 20:14:31 by xiangdanyu
    [综合其他] 求助:什么样的溶液对钢器壁不造成腐蚀且比重大于水    ( 1 2 ) (10/594) yafeng_326 2008-04-21 2008-04-24 13:12:12 by fedbatch
    [综合其他] 有考过化工工程师的吗? (3/302) xiaoxi007 2008-04-12 2008-04-24 09:43:25 by czskiu
    [综合其他] 求助:氮气钢瓶代替氨气钢瓶 (3/292) 鹰羽龙 2008-04-23 2008-04-24 08:28:42 by renwu_77
    [石油软件] 诺奖的比较 (0/110) suxing850107 2008-04-23 2008-04-23 22:09:36 by suxing850107
    [综合其他] 【有奖活动】08考研信息汇总-化工专场 (评阅+15) (6/630) 香凝 2007-07-10 2008-04-23 21:36:11 by maotsedong
    [石油资讯] 全球塑料添加剂企业面临三道“坎”(转自世易化工) (评阅+1) (1/167) xuzhaofu 2008-04-20 2008-04-23 16:31:23 by wuleilei
    [石油资料] 请问北京哪有硫氰酸铬铵卖啊? (2/90) 哇蛤哈 2008-04-23 2008-04-23 14:18:40 by 哇蛤哈
    [石油软件] 草酸和氢氧化铌(即铌酸)反应 (1/489) lwwshiwo 2008-04-22 2008-04-22 20:29:37 by miyong1981
    [石油资料] 求助:SH 3093-1999石油化工企业卫生防护距离 (1/236) slei0558 2008-04-21 2008-04-22 11:45:59 by jiammo
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