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[热点] 网上报道青年教师午睡中猝死、熬夜猝死的越来越多，主要哪些原因引起的？ 瞬息宇宙 2026-02-27 刚刚
[农药] [已完结]问下这一化合物的甲酰化（vilsmeier反应）。 (6/2710) tangruping 2011-08-31 2011-09-18 23:13:43 by joez2011
[表面活性 ] [已完结]皮革助剂耐湿擦性 (3/573) lengyu0532 2011-08-24 2011-09-18 20:55:05 by 永恒的宙斯
[涂料颜料] [已完结]南仁植的书啊，哪位奉献下？木虫上的咱下载不了啊 (1/467) 睡熟的雪 2011-09-15 2011-09-17 19:29:39 by can__110
[洗化] [已完结]求助 有机精细化学品实验教材 蔡干 等编 (0/248) niniauwang 2011-09-17 2011-09-17 15:21:23 by niniauwang
[香精香料] [已完结]急需！ (1/327) hzsw1229 2011-09-16 2011-09-17 08:41:10 by yyqqzz
[添加剂] [已完结]氮丙啶系交联剂PDFA-322 (0/387) smileker 2011-09-16 2011-09-16 21:22:53 by smileker
[表面活性 ] [已完结]吐温20-80后面的数字是如何测定的？其与HLB值又有何关系？ (7/2751) lijing043387 2011-09-16 2011-09-16 20:18:46 by jincanyan
[涂料颜料] [已完结]水性环氧地坪漆 (1/577) 小小笑 2011-09-15 2011-09-16 15:13:38 by archerteen
[添加剂] [已完结]请问如何提高石蜡熔点 (FC-EPI+1)(1/1059) asdawos 2011-09-15 2011-09-16 14:22:19 by chengjins
[精化资讯] [已完结]求助 (4/462) 海豚123 2011-08-02 2011-09-16 13:33:45 by 毕丽杰
[洗化] [已完结]酸性pH=3.5~4.5双氧水配方中，添加乙醇的量上限是多少可认为安全不属于易燃品？ (0/527) 6677574 2011-09-16 2011-09-16 09:10:35 by 6677574
[添加剂] [已完结]CAS:6300-04-5的沸点是多少? (2/440) 学友如一 2011-09-14 2011-09-15 12:17:10 by nnnas
[染料] [已完结]哪位朋友知道活性红249的CAS号、分子结构式、分子量、溶解度等基本物理化学性质？ (0/235) 小虫子啊啊啊 2011-09-14 2011-09-14 16:52:28 by 小虫子啊啊啊
[涂料颜料] [已完结]丙烯酰胺和一乙醇胺是如何反应的 (2/814) baggio2008 2011-09-14 2011-09-14 13:26:55 by newshine20
[功能材料] [已完结]水溶液中季铵碱、胆碱的回收再利用 (2/429) wydmhy 2011-09-14 2011-09-14 11:42:47 by chaijudi
[精化资讯] [已完结]重结晶问题 (3/611) 没事吹吹风 2011-09-09 2011-09-14 07:34:24 by jincanyan
[功能材料] [已完结]CGI 403 or TKA 40049 是光引发剂的牌号么？ (0/266) wonderfulhi 2011-09-13 2011-09-13 15:00:14 by wonderfulhi
[添加剂] [已完结]合成液体聚丁二烯的工艺中有哪些添加剂？ (0/310) 李程杰 2011-09-13 2011-09-13 09:32:12 by 李程杰
[农药] [已完结]求助文献 (1/307) 国宝1号 2011-09-10 2011-09-11 09:01:45 by zlongz120
[洗化] [已完结]衣物抗静电剂 (金币≥30)(4/82) 6677574 2011-06-16 2011-09-10 19:12:20 by sniper2005mail
[添加剂] [已完结]pvc热稳定剂 (2/299) 万东9177 2011-09-09 2011-09-10 12:42:55 by 万东9177
[涂料颜料] [已完结]为什么环氧涂料里面用少量磷铁粉替代锌粉粘度从20dpa.s降低到11dpa.s？ (2/526) xerxes1986 2011-08-11 2011-09-10 09:21:20 by xerxes1986
[精化资讯] [已完结]急求 (0/207) hzsw1229 2011-09-09 2011-09-09 14:20:03 by hzsw1229
[涂料颜料] [已完结]怎样检测有没有上膜和膜层的好坏？ (2/465) 竹子885 2011-09-08 2011-09-09 11:39:56 by zzqfx
[农药] [已完结]求助：什么是有毒理学意义的杂质 (3/727) XIAOCHONGFAN 2011-09-02 2011-09-08 18:04:36 by XIAOCHONGFAN
[染料] [已完结]新结构的酸性蓝，可拔染 (0/426) dengge 2011-09-08 2011-09-08 16:59:43 by dengge
[表面活性 ] [已完结]如何配制浓缩型液体洗涤产品 (0/410) kongqingmei 2011-09-08 2011-09-08 16:53:27 by kongqingmei
[农药] [已完结]求水乳剂理论知识？ (FC-EPI+1)(8/1522) 葶苈子 2011-09-02 2011-09-07 10:19:42 by zj152527
[农药] [已完结]在农药厂宿舍住行吗    ( 1 2 ) (16/2535) lmhncu 2011-06-25 2011-09-07 08:50:10 by 刘晓磊追雪寒星
[添加剂] [已完结]这些化学物质之间的反应 (4/769) Katherine13 2011-09-06 2011-09-07 08:13:10 by Katherine13
[精化资讯] [已完结]丁醛缩合辛烯醛工艺 (0/924) zhangying123 2011-09-06 2011-09-06 22:05:16 by zhangying123
[涂料颜料] [已完结]需求水性树脂或乳液    ( 1 2 ) (FC-EPI+1) (金币≥2)(13/128) zzqfx 2011-06-24 2011-09-06 16:19:28 by zzqfx
[表面活性 ] [已完结]有机硅乳化剂的表征 (2/377) chemistry5381 2011-06-22 2011-09-06 11:37:48 by 119167009
[涂料颜料] [已完结][关贴]请问常用的油溶性荧光指示剂有哪些 (1/735) judy1931 2011-09-05 2011-09-06 10:11:48 by chaijudi
[添加剂] [已完结]食品工业用金银花粉中绿原酸的含量标准 (2/211) wuzetian 2011-09-05 2011-09-06 08:18:46 by wuzetian
[表面活性 ] [已完结]异辛酸牛油胺 (1/673) 兵临程下 2011-07-24 2011-09-05 22:23:57 by 兵临程下
[农药] [已完结]求助:对粉末状毒死蜱原药,喷施前应该用什么溶剂或助溶剂来溶解? (2/1478) wjxdlut 2011-07-04 2011-09-05 17:04:53 by zj152527
[表面活性 ] [已完结]烯丙基磺酸钠的溶解度 (4/1735) jinchaowu 2011-05-15 2011-09-05 16:19:24 by ddc805
[香精香料] [已完结]53%甲酸如何进行浓缩？ (FC-EPI+1)(4/1350) boymusic110 2011-08-07 2011-09-05 15:25:37 by ddc805
[添加剂] [已完结]碳黑 牛油 分散在四氯化碳溶液，用什么匀染剂好？ (0/227) wuji0304 2011-09-05 2011-09-05 14:45:36 by wuji0304
[功能材料] [已完结][关贴]聚酯纤维全消光、半消光和不消光有什么区别 (0/2102) wangjilin 2011-09-05 2011-09-05 14:08:09 by wangjilin
[染料] [已完结]求colour index电子书 (3/511) benny996 2011-08-12 2011-09-03 16:40:52 by 我思固我在
[功能材料] [已完结][关贴]工程用聚酯纤维与聚丙烯纤维的差异 (0/2639) wangjilin 2011-09-03 2011-09-03 16:21:15 by wangjilin
[香精香料] [已完结]色谱分析 (1/372) lxyy 2011-08-10 2011-09-03 11:15:55 by 408851978
[农药] [已完结]甲醛吡啶合成原理 (0/257) 229800197 2011-09-02 2011-09-02 23:17:07 by 229800197
[香精香料] [已完结]求助由二氢月桂烯醇来制备四氢月桂烯醇的你中文或英文文献 (0/390) xinji 2011-09-02 2011-09-02 22:27:46 by xinji
[表面活性 ] [已完结]聚氨酯胶粘剂的粘稠度 (3/1166) 知道就烦 2011-09-01 2011-09-02 16:45:07 by smg002
[添加剂] [已完结]少量烟酸怎么除去啊 (4/596) hilaryyyy 2011-08-05 2011-09-02 15:10:51 by hilaryyyy
[涂料颜料] [已完结]如何测试涂料原料及产品的粒径和白度？    ( 1 2 ) (14/2360) lptyut 2011-07-20 2011-09-01 21:13:17 by peiyali.dali
[添加剂] [已完结]生物柴油环氧化 (1/300) Amywen 2011-09-01 2011-09-01 15:56:59 by 人生如此
[染料] [已完结][关贴]如何提高邻硝基氯苯比例？ (1/433) tang19980732 2011-08-05 2011-09-01 15:52:51 by weipufenxi
[农药] [已完结]打听宁波废液回收公司 (2/402) 天下为公5592 2011-08-30 2011-09-01 08:52:00 by 天下为公5592
[染料] [已完结]目前最常用的染料哪几种？哪种目前研究比较少啊？ (1/416) sheyuqiuwa 2011-08-23 2011-08-31 17:05:06 by 染遍世界
[涂料颜料] [已完结][关贴]怎样提高料浆染色后的光泽度！！！ (0/261) cuikexin1982 2011-08-31 2011-08-31 17:00:37 by cuikexin1982
[功能材料] [已完结]求助《世界精细化工手册续编》PDF版 (0/446) yiyang8982 2011-08-31 2011-08-31 14:03:11 by yiyang8982
[功能材料] [已完结]山东海洋化工科学研究院的研究生待遇怎么样 (1/1416) janny22092 2011-08-29 2011-08-31 10:25:00 by prclsw
[涂料颜料] [已完结]压敏胶迁移问题 (1/659) cchenyao 2011-07-07 2011-08-30 22:11:48 by gyliyaonan
[功能材料] [已完结]相变材料 (2/538) zl8482 2011-08-29 2011-08-30 16:16:23 by zl8482
[染料] [已完结]艳蓝P3R (4/652) zty_1120 2011-08-19 2011-08-30 15:00:10 by hwalle
[添加剂] [已完结]H-NMR谱图 (评阅+1) (FC-EPI+1)(6/771) lengyu0532 2011-08-25 2011-08-30 13:03:26 by lengyu0532
[精化资讯] [已完结]BDO的历史 (FC-EPI+1)(1/513) 一木挡风 2011-08-29 2011-08-30 09:43:31 by jasonwow
[表面活性 ] [已完结]超能离子去油洗洁精 (1/525) Katherine13 2011-08-30 2011-08-30 09:13:21 by jianli-wu
[涂料颜料] [已完结]树脂水性化 (评阅+1) (2/316) rainsky123 2011-08-21 2011-08-29 18:54:44 by can__110
[精化资讯] [已完结]请教两种试剂的储存方式 (2/404) 110030555 2011-08-23 2011-08-29 11:44:09 by 110030555
[添加剂] [已完结]硫酸铬 (1/286) wwwbad88 2011-08-18 2011-08-28 11:14:23 by zhoupeng87
[农药] [已完结]求助，trans-Cyclobutane-1，2-dicarbonitrile 合成路线 (FC-EPI+1)(3/422) ldd2785 2011-08-24 2011-08-26 18:03:04 by ldd2785
[农药] [已完结]求阿维菌素毒死蜱在水稻中残留消解动态研究，硕士论文 (5/815) 彼an花开 2011-08-23 2011-08-26 17:33:10 by jianqi
[洗化] [已完结]软皂配方 (评阅+1) (3/717) 513297686 2011-08-26 2011-08-26 11:19:58 by 513297686
[表面活性 ] [已完结]各位高手帮帮忙 (1/221) tigerpaw 2011-08-26 2011-08-26 10:47:17 by jincanyan
[表面活性 ] [已完结][关贴]招聘：分析工程师    ( 1 2 ) (11/1354) sundragonfly 2011-07-03 2011-08-26 10:18:27 by s092993
[涂料颜料] [已完结]用什么仪器测定1000目的粉料细度 (评阅+1) (2/805) lptyut 2011-08-25 2011-08-25 18:30:23 by lptyut
[添加剂] [已完结]求助！！往氢氧化钠水溶液中加入硅类消泡剂，效果不好，还出现分层现象，怎么办啊？ (评阅+1) (7/1967) hzg0901 2011-08-24 2011-08-25 15:36:31 by polymerled
[涂料颜料] [已完结]现今溴的提取工艺是什么？ (评阅+1) (FC-EPI+1)(3/832) 李程杰 2011-08-25 2011-08-25 13:44:05 by chengjins
[表面活性 ] [已完结]有没有关于乳化剂的专门英文期刊杂志 (2/567) chemistry5381 2011-08-24 2011-08-25 10:04:55 by 志在远方
[洗化] [已完结]尼泊金甲酯 (5/1591) lijia6727 2011-08-24 2011-08-24 23:57:30 by tjllj4537
[洗化] [已完结]升温溶解后降温却不析出    ( 1 2 ) (FC-EPI+1)(17/2459) ganjianwei 2011-08-17 2011-08-24 19:30:09 by liulan110
[涂料颜料] [已完结]环氧树脂分子量对其水性乳液粒径及涂膜性能有何影响？ (评阅+1) (0/816) xuruiting129 2011-08-24 2011-08-24 17:46:35 by xuruiting129
[添加剂] [已完结]甘宝素工业合成方法 (0/1126) xucheng104 2011-08-24 2011-08-24 15:04:39 by xucheng104
[添加剂] [已完结]求《现代润滑油与燃料添加剂》电子版，谢谢！ (0/425) hemaowei 2011-08-24 2011-08-24 11:23:13 by hemaowei
[表面活性 ] [已完结]液体引气和消泡的原理 (2/796) white9801 2011-06-23 2011-08-24 10:39:19 by 志在远方
[染料] [已完结]求助偶合溶剂 (评阅+1) (1/507) lkyyang 2011-08-23 2011-08-23 18:04:36 by jincanyan
[功能材料] [已完结]求助 (0/190) 永恒的宙斯 2011-08-23 2011-08-23 17:01:56 by 永恒的宙斯
[表面活性 ] [已完结]求助表面活性剂的相图 (金币≥1)(1/79) yuwi 2011-04-23 2011-08-23 11:12:02 by 暮野清风
[精化资讯] [已完结]请教对三氟甲基苯乙酸的检测方法 (1/302) liaowenxi 2011-08-23 2011-08-23 10:29:30 by jincanyan
[表面活性 ] [已完结]求助 (2/308) batian2000 2011-08-21 2011-08-22 20:24:32 by ERJIAJIYAFENG
[农药] [已完结]异硫氰酸苯酯的合成 (评阅+1) (2/426) wonderfulhi 2011-08-19 2011-08-22 17:34:10 by wonderfulhi
[农药] [已完结]请问 Bu4MgLi2 怎么叫 (8/776) xiaodongchi 2011-08-21 2011-08-22 16:33:07 by lidongni
[洗化] [已完结]试剂变乳白色似絮状，是表面活性剂浊点问题吗？ (评阅+1) (5/1112) tangwei0620 2011-08-12 2011-08-22 15:57:54 by tangwei0620
[农药] [已完结]3.2%阿维菌素乳油配置方法 (FC-EPI+1)(3/1523) yuanliqing 2011-07-20 2011-08-22 09:17:44 by zj152527
[添加剂] [已完结]异噻唑啉酮含量的检测 (FC-EPI+1)(3/1345) gzr02056 2011-08-18 2011-08-20 12:39:24 by jianmei97
[添加剂] [已完结]绿色环保型防冻剂的主要成分 (5/1177) kongqingmei 2011-06-30 2011-08-20 12:20:44 by zlongz120
[香精香料] [已完结]请问蚊不叮的气味是什么气味啊？ (9/1588) zlongz120 2011-08-12 2011-08-19 20:29:56 by 旅行在路上
[染料] [已完结]求助分散蓝366的合成路线或者专利文献 (FC-EPI+1)(5/764) wucl110 2011-08-19 2011-08-19 17:10:50 by wucl110
[洗化] [已完结]求助 (评阅+1) (3/374) lijia6727 2011-08-16 2011-08-19 10:21:23 by 幸福沉淀0512
[农药] [已完结]做农药加工的都往哪些杂志投稿 (7/1221) 漫漫 2011-04-18 2011-08-19 08:54:52 by zj152527
[香精香料] [已完结]化妆品课件 (1/607) 522182809 2011-08-18 2011-08-18 23:32:44 by yy565905733
[精化资讯] [已完结]N,N-二甲基丙腈加氢的条件 (5/1046) lengmian01 2011-07-18 2011-08-18 19:46:17 by bersinger
[农药] [已完结]烟磺酰胺液谱中控分析方法 (2/459) sys512 2011-07-19 2011-08-18 16:57:36 by ymw520
[农药] [已完结]烟嘧中间体烟酰胺 (金币≥2)(5/126) sys512 2011-07-01 2011-08-18 16:55:21 by ymw520
[功能材料] [已完结]求助：二甘醇双醛！ (0/329) zzy0264 2011-08-18 2011-08-18 14:47:17 by zzy0264
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