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[热点] 有70后还继续奋斗在职场上的吗? legendcd7688 2026-02-04 刚刚
[仪器药品] [已完结]如何检验高纯氮的纯度? (评阅+1) (6/1616) meterscar 2013-08-22 2013-08-24 17:13:47 by 稻花香
[仪器药品] [已完结]石英管壁厚如何确定 (4/841) 飞鱼baylee 2013-08-23 2013-08-23 22:33:57 by zyhou
[仪器药品] H2-TPR一开始温度为负值原因是什么? (评阅+2) (9/2138) kyne 2013-08-03 2013-08-23 08:52:15 by 云游四海1986
[仪器药品] [已完结][求助]TDX-01能不能分开O2、N2 (6/1907) cheery555 2012-10-31 2013-08-23 06:09:26 by 云游四海1986
[仪器药品] [已完结]正硅酸乙酯放置时间久了为什么会出现白色的絮状物 (评阅+1) (4/1649) 程小玉@ 2013-08-21 2013-08-22 22:26:16 by miaozhichao
[仪器药品] [已完结]求助 在哪能买到FAU分子筛? (4/959) 蓝天5698 2011-12-05 2013-08-22 09:29:03 by wxs880620
[仪器药品] [已完结]8L瓶装丁烷的出厂压力为多少? (评阅+2) (1/1887) meterscar 2013-08-20 2013-08-21 08:10:45 by luner1803
[仪器药品] 气相白炭黑久置会吸水或其他东西导致变质吗? (评阅+1) (2/623) jacklee2011 2013-08-20 2013-08-20 08:22:48 by biaode
[仪器药品] 同学们光强都不确定,你们做光催化实验意义何在?无限费解!!!    ( 1 2 3 4 ) (评阅+1) (32/4872) xby1815 2011-12-03 2013-08-18 21:17:17 by antony19871
[仪器药品] [已完结]求助H-ZSM-5 (1/442) miaozhichao 2013-08-17 2013-08-17 17:08:36 by zyhou
[仪器药品] [已完结]不分光红外分析仪和带转化炉的FID气相色谱    ( 1 2 ) (12/1002) 飞鱼baylee 2013-08-14 2013-08-17 16:47:07 by chtysh
[仪器药品] [已完结]谁那有高效液相色谱-质谱? (4/480) lengshuai 2013-08-14 2013-08-16 10:16:32 by lichangbo
[仪器药品] [已完结]在哪里可以买到γ-氧化铝    ( 1 2 ) (15/1488) ぴé●圈圈♀ 2013-07-11 2013-08-14 18:41:34 by tunjf04
[仪器药品] [已完结]气相色谱基线不稳    ( 1 2 ) (11/1250) dxx6229985 2013-08-12 2013-08-13 21:16:07 by qxxdcf
[仪器药品] 关于如何去除氧化铜中含碳杂质的问题 (0/3331) gc521 2013-08-12 2013-08-12 16:20:23 by gc521
[仪器药品] 催化剂表征大家都用什么牌子的扫描电镜 (6/652) wjh6668 2013-08-07 2013-08-09 13:08:56 by easonvoleam
[仪器药品] [已完结]有谁用过涂角鲨烷的氧化铝柱,急求帮助。。 (0/251) 安silence 2013-08-09 2013-08-09 12:00:45 by 安silence
[仪器药品] [已完结]求氧化亚钴和四氧化三钴的市场销售价 (评阅+1) (2/298) 卢保同 2013-06-28 2013-08-06 17:16:36 by jiangyun2
[仪器药品] [已完结]关于盐浴锅 (评阅+1) (5/633) 一冰1987 2013-07-29 2013-08-04 08:42:08 by zyhou
[仪器药品] 请问氩气能用氮气减压阀代替吗?    ( 1 2 ) (10/5315) shiumph 2013-08-01 2013-08-03 19:41:21 by Yangxigui
[仪器药品] [已完结]关于石英管加氢还原制备催化剂的问题 (3/1119) shiumph 2013-08-01 2013-08-02 10:56:40 by tjuchem
[仪器药品] [已完结]活性炭化学活化问题 (评阅+1) (7/1513) ss10347 2013-07-30 2013-08-02 10:26:06 by bingyulin3
[仪器药品] [已完结]乙醇和DMF的还原性比较 (0/1352) tingjiangn 2013-08-02 2013-08-02 09:42:40 by tingjiangn
[仪器药品] 【求助】我今天来了个聚氨酯催化剂白色的不知道是什么谁能告诉我呀 (4/590) yjgdiilts 2010-08-21 2013-08-02 08:11:35 by 软沙发D
[仪器药品] [已完结]亚甲基蓝在不同PH时光催化降解的反应机理 (评阅+1) (0/2051) 王哲烨 2013-08-01 2013-08-01 23:59:40 by 王哲烨
[仪器药品] [已完结][关贴]GC7820A的FID气路管堵了,求助 (2/457) zsmj_23 2013-07-30 2013-07-31 17:51:10 by zsmj_23
[仪器药品] [已完结]三氟甲磺酸钕能否溶于水? (0/286) tianxianwj 2013-07-27 2013-07-27 20:10:43 by tianxianwj
[仪器药品] [已完结]求助气相色谱校正因子的问题 (4/629) huanghaonx 2013-07-26 2013-07-27 10:30:55 by huanghaonx
[仪器药品] [已完结]五水四氯化锡 (1/1042) 33852674 2011-07-12 2013-07-26 12:46:49 by 天籁盈冰
[仪器药品] 凡士林的用途(没想到凡士林还有这么多用途) (评阅+5) (3/1302) Homephone 2012-06-26 2013-07-26 12:10:25 by liujing9092
[仪器药品] 保温棉 (评阅+1) (6/1248) zongzong0327 2013-07-22 2013-07-26 08:56:47 by dongli6536922
[仪器药品] [已完结]硼氢化钾溶液配制 (评阅+1) (6/2229) yyrose80v3 2013-07-22 2013-07-25 16:39:08 by muchong王
[仪器药品] [已完结]湿式流量计每次走到一个位置就不走了,怎么办? (评阅+1) (1/1112) buluosun 2013-07-21 2013-07-21 11:10:25 by zyhou
[仪器药品] [已完结]装置求助:分子筛脱铝,硅铝氧化物蒸汽处理 (1/575) dragon8368 2013-07-19 2013-07-19 10:08:30 by jiangyun2
[仪器药品] [已完结]气体质量流量计进液了    ( 1 2 ) (评阅+2) (12/2185) striver12 2013-05-17 2013-07-18 15:40:11 by mfcpro
[仪器药品] [已完结]硝酸镓哪里有的卖? (5/1092) tingtingwa 2011-08-16 2013-07-18 13:41:50 by x-cool
[仪器药品] [已完结]气相色谱峰面积减少的问题 (6/1941) 布点点不到 2013-07-17 2013-07-18 11:03:37 by jiangyun2
[仪器药品] [已完结]气相色谱 保留时间代表的物质 (评阅+1) (5/1460) melodiousnow 2013-07-15 2013-07-16 16:08:34 by jiangyun2
[仪器药品] [已完结]甲基环己烷的工业纯度 (评阅+1) (3/380) liuxuan3333 2013-07-15 2013-07-15 18:03:43 by jiangyun2
[仪器药品] [已完结]请问 有人用过雷尼镍吗    ( 1 2 ) (15/1558) 学员bdjMK0 2012-07-24 2013-07-15 09:50:50 by lyhlsq
[仪器药品] [已完结]哪里可以买到gamma氧化铝?    ( 1 2 ) (评阅+1) (13/1056) rptest 2013-02-20 2013-07-13 08:39:39 by jiangyun2
[仪器药品] 【求助】关于气象色谱分析 (8/1066) jiangyun2 2010-11-01 2013-07-13 08:25:35 by jiangyun2
[仪器药品] [已完结]求助:溴甲酚绿-甲基红指示剂需要加几滴 (3/1080) lavender_12 2013-07-11 2013-07-13 07:20:43 by yongtengqian
[仪器药品] int-olefin (2/312) huajiehuo 2013-07-08 2013-07-11 21:49:32 by huajiehuo
[仪器药品] [已完结]SP-6890气相色谱的改用FID检测器 (3/471) lanmawangzi 2013-07-11 2013-07-11 17:47:19 by 从头来
[仪器药品] [已完结]高压汞灯光强不稳,求解惑啊! (评阅+1) (3/794) pqm11 2013-07-10 2013-07-11 09:31:59 by asule13
[仪器药品] [已完结]质谱上面如何连接测温线(Hiden Analytical) (5/859) 安silence 2013-07-10 2013-07-10 19:51:44 by luke_zhao
[仪器药品] [已完结]CAS: 100-94-7 (5/631) wangsihang 2013-07-08 2013-07-10 09:32:05 by leiws
[仪器药品] 实验室制备的兰尼Ni可以储存吗?能储存多久? (评阅+1) (4/789) FarSeer_lbh 2013-07-09 2013-07-09 23:04:08 by allan_81105
[仪器药品] 【求助】气相色谱调试怎样配制标准溶液 (1/1676) lishushu 2011-03-16 2013-07-09 12:23:07 by zhupengfei
[仪器药品] [已完结]催化中红外仪器信号降低 (评阅+1) (4/375) 大坏坏 2013-07-08 2013-07-08 22:59:07 by superleo8936
[仪器药品] [已完结][关贴]磁力搅拌器 (3/429) wangjia11s 2013-07-08 2013-07-08 16:58:59 by 646468128
[仪器药品] [已完结]谁知道形成氢氧化钛沉淀的PH是多少 ? (1/4291) 296090582 2013-07-06 2013-07-07 11:12:44 by readytogo
[仪器药品] [已完结]四乙基氢氧化铵问题 (评阅+1) (1/1579) 良人良品 2013-07-05 2013-07-05 20:04:09 by chenfaqiang
[仪器药品] 大家有没有考虑过TiCl3为什么比TiCl4稳定呢? (评阅+1) (3/1401) zhiwuya 2013-07-05 2013-07-05 18:38:29 by 铁打的星星
[仪器药品] [已完结]高硅铝比Beta分子筛 (0/540) zsj珠珠 2013-07-05 2013-07-05 11:47:44 by zsj珠珠
[仪器药品] [已完结]提供300℃的设备有哪些    ( 1 2 ) (评阅+1) (12/1296) 一冰1987 2013-07-03 2013-07-05 11:18:48 by 曾经的-你
[仪器药品] 想买个旋转蒸发器,不知什么型号的比较好用 (2/340) liyanliuheng 2013-06-17 2013-07-03 13:13:12 by 沧浪剑客
[仪器药品] 【求助】液态丙烯进料采用何种方式可以准确定量 (2/494) ylp_by 2011-03-14 2013-07-02 13:56:32 by tuotuozy
[仪器药品] [已完结]深圳哪里可以做EPR? (0/219) zdwland 2013-07-01 2013-07-01 16:18:40 by zdwland
[仪器药品] [已完结]Lambda 650/850/950 Kubelka-Munk (评阅+1) (0/309) qinjuxiang 2013-07-01 2013-07-01 15:00:35 by qinjuxiang
[仪器药品] [已完结]如何在反应中引入水蒸气    ( 1 2 ) (13/2440) dxx6229985 2013-05-01 2013-07-01 11:59:35 by adan2012
[仪器药品] [已完结]标准气体的配制-氯丁二烯 (4/563) ljl891114 2013-06-26 2013-07-01 10:14:06 by luke_zhao
[仪器药品] 【求助】氙灯滤波片问题    ( 1 2 ) (13/1987) spliulin 2009-12-05 2013-06-29 08:11:40 by 435531561
[仪器药品] 催化剂 AD-mix-β和 AD-mix-α (0/466) teinal870925 2013-06-28 2013-06-28 11:23:12 by teinal870925
[仪器药品] [已完结]哪里可以做高温高压加氢仪器 (0/368) yanzhione 2013-06-27 2013-06-27 14:46:38 by yanzhione
[仪器药品] 光催化光源选择性问题    ( 1 2 ) (评阅+1) (15/2124) zhiwuya 2013-06-19 2013-06-27 00:04:18 by llO_Ol
[仪器药品] [已完结]气相色谱FID检测,甲醛出正峰,甲醛和氧气混合气体在对时间出倒峰,求解释    ( 1 2 ) (15/2813) zhangye929 2013-06-25 2013-06-26 20:48:27 by zhangye929
[仪器药品] [已完结]求一篇关于气相色谱内标法,校正因子测定的英文文章,谢谢大家,请踊跃帮忙:tuzi6: (0/272) mmcxy 2013-06-26 2013-06-26 16:31:22 by mmcxy
[仪器药品] [已完结]求助:药名康德的玻璃氢化瓶的生产厂家 (0/1094) lujl15 2013-06-26 2013-06-26 09:38:58 by lujl15
[仪器药品] [已完结]Ir/C购买问题 (0/229) lyj0997 2013-06-24 2013-06-24 15:48:13 by lyj0997
[仪器药品] [已完结]光催化反应中氙灯的选择问题    ( 1 2 ) (14/3340) 飞翔的蜗牛 2012-04-22 2013-06-24 13:58:13 by fehwu
[仪器药品] [已完结]氧化铜有催化活性么    ( 1 2 ) (评阅+2) (10/1938) 艳艳的 2013-06-22 2013-06-23 22:28:52 by readytogo
[仪器药品] [已完结]铁酸锌ZnFe2O4和二氧化钛TiO2的导带位置谁更负啊? (0/493) waitingwmy 2013-06-21 2013-06-21 16:13:39 by waitingwmy
[仪器药品] [已完结][关贴]气相色谱的进样器升温突然变得很慢 (评阅+1) (2/1060) striver12 2013-06-20 2013-06-21 08:46:50 by striver12
[仪器药品] [已完结]求助哪里有卖Fe箔的,做实验用 (0/225) baba任守恩 2013-06-20 2013-06-20 17:40:15 by baba任守恩
[仪器药品] [已完结]高岭土原料购买途径 (1/454) 九十八 2013-06-20 2013-06-20 16:08:01 by zhangtao097769
[仪器药品] [已完结]催化固定床的空床速度一般是多少 (9/4257) 飞鱼baylee 2013-05-17 2013-06-20 10:39:58 by 451894948
[仪器药品] 简易光催化仪器 (评阅+1) (1/515) manman198908 2012-11-28 2013-06-19 16:13:24 by chenliang1982
[仪器药品] [已完结]水合肼和草酸谁的还原性强?? (2/1048) xxxj 2013-06-18 2013-06-19 08:53:42 by xxxj
[仪器药品] 【求助】购买Degussa P25 (4/964) furien 2010-06-04 2013-06-18 15:52:48 by muzilihuijuan
[仪器药品] [已完结]做TiO2需要什么样的钛片?有没有好的供应商? (5/804) qiukangwen 2012-10-22 2013-06-18 12:28:53 by NJ桐衲新材a
[仪器药品] [已完结]320nm紫外灯 (1/1021) xiaofan267 2013-06-17 2013-06-17 18:00:47 by 从头来
[仪器药品] [已完结]有没有人做活性碳纤维脱硫和脱氮研究? (评阅+2) (5/1108) wendy26 2013-06-13 2013-06-16 12:02:38 by stephen6
[仪器药品] [已完结]KL 分子筛哪里有卖 (评阅+1) (1/644) 南工大njut 2013-06-13 2013-06-14 21:37:16 by readytogo
[仪器药品] [已完结]请问γ-氧化铝,最好是粉末 国内哪家公司较好?万分感谢 (2/548) 李功柱 2013-06-09 2013-06-13 09:23:12 by 李功柱
[仪器药品] [已完结]标准曲线的适用范围 (4/1302) xxxj 2013-06-12 2013-06-12 22:33:50 by 646468128
[仪器药品] [已完结]有人做磷酸燃料电池吗? (3/1103) liuce 2013-06-07 2013-06-08 09:40:29 by liuce
[仪器药品] [已完结]求助红外谱图 (2/303) 卤水 2013-06-03 2013-06-08 08:14:03 by superleo8936
[仪器药品] [已完结]可见光催化光源 (3/1135) 采薇 2013-06-06 2013-06-07 09:30:40 by 采薇
[仪器药品] 硅溶胶在催化及分子筛方面的应用 (10/2075) peclhl 2013-05-31 2013-06-07 08:24:18 by peclhl
[仪器药品] [已完结]想换一台色谱,原来是GC7890配HT—plotQ (7/917) 苹果猪猪2012 2013-05-30 2013-06-05 08:27:31 by chtysh
[仪器药品] [已完结]Porapark Q 填充柱污染 (6/975) tanghua8196 2011-05-26 2013-06-04 11:01:11 by jiangyun2
[仪器药品] [已完结]乙腈有没有替代品 (1/1352) zjjshr123 2013-06-01 2013-06-01 15:39:57 by xueshan199
[仪器药品] [已完结]Amberlyst的各个型号物质的区别 (评阅+2) (1/757) popbill2012 2013-05-31 2013-05-31 10:11:17 by klonger
[仪器药品] [已完结]寻求酸性催化剂 (评阅+1) (6/1135) luolingli529 2013-05-29 2013-05-29 19:44:15 by 小T
[仪器药品] [已完结]手动切割机 (0/263) wangxiaobin 2013-05-29 2013-05-29 10:52:26 by wangxiaobin
[仪器药品] 离子液体性价比较高的供应商! (评阅+1) (5/910) 在水一方_ 2013-05-17 2013-05-28 16:12:45 by sjpzlq
[仪器药品] [已完结]求助可以测试固体样品漫反射的紫外可见分光光度计 (评阅+2) (2/510) wuliu 2013-05-27 2013-05-28 12:46:08 by wuliu
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