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    [热点] 2025 - Greene's Protective Groups in Organic Synthesis - 6th Edition asymmsyn 2026-01-15 刚刚
    [石油软件] 谁有100%水合肼,或提供最提供最简单的试验室制备方法。 (0/98) rippxie 2009-02-12 2009-02-12 16:43:25 by rippxie
    [石油资讯] 财政部:成品油消费税率保持不变 (评阅+2) (1/102) xuzhaofu 2008-11-25 2009-02-12 15:18:48 by myocean
    [石油资讯] 求08年原油平均价格(WTI) (评阅-2) (1/142) 154795952 2009-02-11 2009-02-12 15:07:13 by myocean
    [石油资料] 阿巴卡韦中间体 (1/222) L84429 2009-02-10 2009-02-12 08:51:01 by bronzezt
    [石油资料] 化学领域牛人集(2009年1月9日更新) (8/713) 迈步从头越 2009-01-28 2009-02-11 17:46:47 by shelly_1
    [石油软件] 关于肥皂水起泡的问题 (4/641) sunnybaby 2009-02-03 2009-02-11 11:24:33 by lifugang
    [石油软件] 关于含有机物的酸的提纯 (1/134) 白蚁族长 2009-02-07 2009-02-11 09:24:02 by 白蚁族长
    [石油软件] 求组锌粉目数的问题 (1/139) czhai 2009-02-09 2009-02-11 08:51:17 by lifugang
    [石油软件] 问下你们学化工的,那个致癌吗?对人无害吗? (7/679) hms2006 2009-02-06 2009-02-11 00:46:17 by niu1993
    [石油资讯] N,N,N',N'-4-甲基-丁二胺 (0/87) yjs3180009 2009-02-10 2009-02-10 17:01:48 by yjs3180009
    [综合其他] 建议设立一个安全板块    ( 1 2 ) (评阅+3) (12/484) bruceluobo 2008-02-26 2009-02-10 15:57:37 by xiangg8528
    [石油软件] 求助,需要一份5-苯基四氮唑的MSDS (2/121) asan 2009-02-09 2009-02-10 11:23:37 by asan
    [石油资料] 化工设计与安全 (金币≥1)(3/237) 魏永红 2009-02-08 2009-02-10 08:42:36 by 昙英
    [石油软件] 化工的就业方向 (5/673) 735129671 2009-01-28 2009-02-09 22:02:32 by 若愚
    [综合其他] 请帮我下这几个化合物极性大小,谢谢。 (3/277) lyhb 2009-02-02 2009-02-09 21:44:57 by 若愚
    [石油软件] 请问无水硫酸镁适合干燥什么类型的物质 (2/244) 530lifei 2009-02-08 2009-02-09 21:30:52 by 若愚
    [石油软件] 日本化工设计标准与中国工艺设计标准的相互转化(管道) (6/480) shelly_1 2009-02-05 2009-02-09 17:17:55 by shelly_1
    [石油软件] 做过高温绝热材料的同仁请进 (6/453) lxygwqf2006 2008-12-06 2009-02-09 09:55:02 by lxygwqf2006
    [石油资料] 求书 Nuclear Chemical Engineering (0/81) zhshcheng 2009-02-08 2009-02-08 15:31:11 by zhshcheng
    [石油资料] 经典流体力学视频网站 (评阅+2) (1/716) zhangkcloud 2009-01-30 2009-02-08 03:55:15 by cup.qzu
    [综合其他] 关于实验手段的问题 (1/122) tuanbin 2009-01-07 2009-02-08 00:54:04 by 网乐
    [石油资料] 求助电子书 Handbook of Industrial Drying(3rd edition) (1/167) chariot1686 2009-02-06 2009-02-07 20:47:14 by chariot1686
    [石油软件] 去离子水需要检测什么 (4/564) young0519 2009-02-06 2009-02-07 18:29:27 by cloudwindy
    [石油软件] 求助 (2/139) catwithtear 2009-02-07 2009-02-07 17:33:49 by yehcn
    [石油资料] 50金币求书 Nuclear Chemical Engineering (5/172) zhshcheng 2009-02-04 2009-02-07 16:23:51 by zhshcheng
    [石油软件] 哪位知道用3A和4A分子筛脱水哪个更好? (6/1171) rippxie 2009-02-05 2009-02-07 09:23:05 by liuyong2007
    [石油资料] 求 天大版《注册化工工程师考试辅导书》 (2/304) zxcv1234nm 2009-02-06 2009-02-07 09:08:05 by zxcv1234nm
    [石油软件] 求助氯化钾在无水乙醇和无水甲醇中的溶解度是多少 (1/3074) youtianhua 2009-02-05 2009-02-06 17:26:41 by z8t8t8
    [石油资料] 世界25大顶级化工公司,值得一看 努力!    ( 1 2 3 ) (+2) (24/2071) huzhun 2008-03-27 2009-02-06 13:05:35 by srw418
    [石油资料] 意外使用了一个网站的资源,推荐一下标准下载网。    ( 1 2 ) (10/693) wjyanghx 2008-10-23 2009-02-06 12:57:51 by srw418
    [石油软件] 固体颗粒假比容和真比容是什么意思?怎么计算? (3/480) leeyanbo 2009-02-02 2009-02-06 09:20:49 by pheonix338
    [石油软件] 谁有化学专业英汉互译词典的,共享一下啊 (2/171) z8t8t8 2009-02-05 2009-02-06 08:30:26 by bronzezt
    [石油软件] 请教一下何为”重化汽油“ (4/424) chang1624 2009-02-04 2009-02-05 18:41:23 by 林彪第二
    [石油软件] 请问三氧化钼的最新国标代号是什么? (2/115) lizhisong 2009-01-29 2009-02-05 15:00:27 by z8t8t8
    [石油软件] 求助盐酸羟胺鉴别方法 (6/921) fxm8288 2009-01-13 2009-02-05 13:07:31 by fxm8288
    [石油软件] 化工软件调查! (4/432) mingyue8608 2009-01-26 2009-02-05 12:31:26 by pheonix338
    [石油软件] 化学物质p-tert-butylbenzaldehyde dimethyl acetal (2/142) dyhking 2009-01-23 2009-02-05 11:49:12 by pheonix338
    [石油资料] “硫酸,草酸混合溶液中各组份含量的测定” (2/147) 好好学习8333 2008-11-29 2009-02-04 12:36:37 by liukpitur
    [石油资料] 急求:化工原理蒸馏一章的所有图片 (6/311) shuqingjiao60 2009-01-31 2009-02-04 07:40:27 by shuqingjiao60
    [石油资料] 谁有SY/T0006-1999 油田采出水处理设计规范 (1/129) nuoyan 2009-02-03 2009-02-03 19:04:06 by 凤尾竹862
    [石油软件] 请问aspen这个软件多大? (2/386) cometring 2009-02-03 2009-02-03 16:54:50 by shbby
    [石油资料] 一篇成核与晶体生长的文章 (2/534) haina722 2009-01-31 2009-02-02 19:49:27 by sui2066
    [石油软件] 关于溶剂回收的问题 (2/249) sunnybaby 2009-02-02 2009-02-02 16:50:24 by wangyonghong
    [石油软件] 请教海绵的制作工艺(主要是发泡工艺)    ( 1 2 ) (11/694) duojie 2009-01-15 2009-02-02 12:29:19 by zzpwu
    [综合其他] 是固定炭还是固定碳? (3/199) 阿庆1982 2009-02-01 2009-02-02 08:41:49 by 阿庆1982
    [石油资料] 红外谱图叠加问题 (1/208) zhaoshuixia 2009-02-01 2009-02-02 00:00:22 by 280034418
    [石油软件] 山东武城合力化工爆炸 (4/227) wangxuefengya 2009-01-04 2009-02-01 22:42:21 by wangxuefengya
    [综合其他] 求助:哪里可以找到本科化学反应工程课件? (2/157) tonyzeng 2009-02-01 2009-02-01 21:41:10 by tonyzeng
    [石油软件] 求教:48%氢氧化钾水溶液的比重 (2/270) shuixianhua 2009-02-01 2009-02-01 11:15:08 by shuixianhua
    [石油资料] 有关钠盐发酵液过滤问题 (3/296) 哈药学者 2009-01-08 2009-01-31 22:10:52 by popstar1121
    [石油软件] 求助管架标准图HG/T21629-99 (1/271) YY5083 2009-01-11 2009-01-31 19:29:04 by 凤尾竹862
    [石油软件] 请问三氧化钼的最新国标代号是什么? (0/102) lizhisong 2009-01-31 2009-01-31 19:03:21 by lizhisong
    [石油软件] 化学方面英文翻译 (1/153) dyhking 2009-01-23 2009-01-31 10:40:22 by youngtea
    [石油软件] 请问热媒水和除盐水有何区别? (2/128) upcjason 2009-01-20 2009-01-31 10:20:45 by liminghao
    [石油软件] 氮气测定 (3/248) sunshen 2009-01-10 2009-01-28 18:42:35 by 21100112
    [石油软件] 化学名称methoxylation (2/134) dyhking 2009-01-23 2009-01-26 13:01:00 by yunmeng6001
    [综合其他] 拜年帖! (评阅+5) (5/141) lingliaopiao 2009-01-25 2009-01-26 12:45:39 by yunmeng6001
    [石油软件] 关于蒸馏丙酮和二氯甲烷的一个问题 (5/614) wqdljp 2009-01-23 2009-01-24 15:58:49 by qianfp
    [石油软件] 化工方面 (3/269) dyhking 2009-01-18 2009-01-23 14:30:56 by zgpgwwj
    [石油资料] 【求助】请问哪里能买到聚丁二烯(固态)? (4/247) 2009-01-19 2009-01-23 10:15:30 by
    [石油软件] 哪个学校能做沥青性能评价啊? (4/355) wosheng 2009-01-22 2009-01-23 10:14:15 by zgpgwwj
    [综合其他] 请问有谁知道徐培仕吗? (0/65) gnahc 2009-01-22 2009-01-22 23:52:15 by gnahc
    [石油软件] 有谁知道水在苯中的溶解度? (5/676) xuqiang671 2009-01-18 2009-01-22 10:17:59 by wjjpm19751976
    [石油资料] 急求 Nuclear Chemical Engineering (0/68) zhshcheng 2009-01-21 2009-01-21 21:58:18 by zhshcheng
    【求助】精馏问题 (1/108) xieying6172 2009-01-19 2009-01-21 20:46:31 by coolrainbow
    [石油资料] 10金币求书!!!!锅炉化学清洗    ( 1 2 ) (11/517) chenlink 2009-01-08 2009-01-21 13:30:59 by zrlwj
    [综合其他] 实验的好习惯 (评阅+3) (4/254) 原子能 2009-01-19 2009-01-20 23:41:40 by 原子能
    [石油软件] 求助:摩尔吸光系数 (0/98) guofen6008 2009-01-20 2009-01-20 22:56:20 by guofen6008
    [石油软件] 求助二甲胺的问题 (2/170) hezhuo1985 2009-01-13 2009-01-20 11:06:27 by hezhuo1985
    [综合其他] 急求港口化工管理方面的论文 (0/113) christy7820 2009-01-19 2009-01-19 19:00:41 by christy7820
    [石油软件] 有分离顺反式异构体经验的兄弟进入一下    ( 1 2 ) (17/1157) pcf1981 2009-01-07 2009-01-19 09:45:38 by rjbl
    [石油资料] 一本好书《Modern Organic Synthesis in the Laboratory》    ( 1 2 3 ) (+7.5) (评阅-7) (28/1438) lwz403 2009-01-16 2009-01-18 22:38:22 by tchjiang
    [石油软件] 求助:键长 (2/97) 小小金书签 2009-01-12 2009-01-18 14:53:04 by 拥抱曙光
    [石油软件] 求助:化学反应机理 (2/174) dcscd 2009-01-10 2009-01-18 14:21:12 by fengyuzhi
    [石油软件] 求助:0.1N 氢氧化钾乙醇溶液如何配制 (5/976) buqun81 2009-01-11 2009-01-18 14:19:33 by fengyuzhi
    [石油软件] 10金币求助消泡剂问题 (8/515) freshair33 2009-01-14 2009-01-18 14:15:24 by fengyuzhi
    [石油软件] 化学物质p-tert-butyltoluene (1/142) dyhking 2009-01-18 2009-01-18 13:25:35 by fengyuzhi
    [石油资料] 有认识或了解蹇锡高教授(大连理工)的学长请进! (2/431) wkslq 2008-11-16 2009-01-18 02:17:48 by lsdk
    [石油资料] [共享]化工百科全书1-3卷 (金币≥1)(3/142) cumt218 2009-01-17 2009-01-17 19:33:42 by whwxj
    [石油软件] 前辈们帮个忙 (3/187) 学会改变 2009-01-15 2009-01-17 15:13:26 by 学会改变
    [石油资料] 求《化学反应工程基本原理》 (6/614) Troy5188 2008-06-24 2009-01-16 10:43:17 by xzy760203
    [石油软件] 考天津大学化工原理该做那些准备? (1/185) 凡一 2009-01-15 2009-01-15 23:43:55 by luck2783
    [石油软件] 急:求助一道简单的化工原理题 (5/590) 郝洁 2009-01-04 2009-01-15 21:52:33 by 学会改变
    [石油软件] 求助:寻找计算水蒸气焓熵值的小工具 (1/122) 四月初七 2009-01-15 2009-01-15 18:40:58 by 四月初七
    [石油资讯] 石腦油在工業上有什麽應用? (4/318) patrickniu 2009-01-14 2009-01-15 13:44:52 by shbby
    [石油软件] [请教]有耐高温的螯合物吗? (0/91) toconnect 2009-01-15 2009-01-15 12:36:39 by toconnect
    [石油软件] 粗碘回收 (金币≥5)(1/75) leoflyfree 2009-01-13 2009-01-15 12:19:21 by tanduanming
    [石油软件] [关贴]那为大狭知道:二甲苯检测的东西啊? (4/391) 咖啡3775 2009-01-12 2009-01-15 09:50:36 by zxx110
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