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- RP-HPLC absolute calibration curve method for the determination of Diethyl Maleate. 论述了高效液相色谱法测定马来酸二乙酯含量的方法。
- Diethyl maleate was a synthesis from maleic anhydride and ethyl alcohol in the presence of sodium bisulfate monohydrate. 在一水硫酸氢钠存在下,由马来酸酐和乙醇合成了马来酸二乙酯。
- Diethyl maleate was synthesized from maleic anhydride and ethyl alcohol in the presence of ammonium ferric sulfate dodecahydrate. 在十二水合硫酸铁铵存在下,由马来酸酐与乙醇合成了马来酸二乙酯,研究了反应的影响因素和催化剂的重复使用性能。
- Influences of initiator,sulphonate,acrylic acid and diethylmaleate on fluidity of cement paste were studied in detailsAddition of diethyl maleate helped to reduce slump loss. 详细研究了引发剂、磺酸盐、丙烯酸和马来酸二乙酯等因素对净浆流动度的影响;马来酸二乙酯的加入,减小了流动度损失。
- Synthesis of diethyl maleate catalyzed by sodium bisulfate 硫酸氢钠催化合成马来酸二乙酯
- diethyl maleate 马来酸二乙酯
- Bulk Drugs (Dextimolol Maleate,Fluorometholone) GMP Approval. 2004年：获得氟米龙与右旋噻吗洛尔原料药GMP证书。
- We have gotten 81.67% N,N diethyl o methyl aniline from the residue. 由此破坏了剩余过渡液中的共沸组成，为过渡液中其他组分的回收利用创造了条件。
- Results: The diluent could prevent trimebutine maleate from precipitation. 结果:能较好地阻止马来酸曲美布丁的结晶析出。
- Some zinc soaps such as zinc maleate,glyzinc,glycinato zinc were prepared. 研究了不同锌皂与硬脂酸镧复配后的热稳定性优劣。
- Ferric sulfate was first used for the synthesis of di 2 ethylhexyl maleate. 首次将硫酸铁用于催化合成马来酸二辛酯。
- The content of chlorphenamine maleate in gradules was determined by HPLC. 采用高效液相色谱法对马来酸氯苯那敏进行含量测定。
- It is also known that sodium ethylate and diethyl phenylmalonate interact together to give ethyl Phenylacetate and diethyl carbonate. 众所周知，乙醇纳和二乙基苯基丙二酸酯反应可以得到乙基乙酸苯酯和二乙基碳酸酯。
- Animal and vegetable fats and oils - Determination of unsaponifiable matter - Method using diethyl ether extraction. 动植物脂肪和油。不可皂化物的测定。二已醚萃取法。
- With diethyl malonate as the extractant,the condition of extracting gold the electronic scrap was studied. 研究了采用萃取剂丙二酸二乙酯回收电子废弃物中金的方法。
- Through nitrosation, hydrogenate reducion, and acylate three steps, the yield surpass 80% for the diethyl malonate. 收率相对于丙二酸二乙酯达到了80%25以上。
- Objective To establish a method for the determination of the concentration of enalapril maleate in plasma by HPLC. 目的建立高效液相色谱法测定马来酸依那普利的血药浓度。
- N,N-Diisopropylethylamine(DIPEA) was prepared from diisopropylamine (DIPA) and diethyl sulfate (Et_2SO_4). 以二异丙胺 (DIPA)、硫酸二乙酯 (Et2 SO4 )为原料合成N ,N 二异丙基乙基胺 (DIPEA)。
- Objective: To observe the therapeutic effect of cinepazide maleate on brain infarct. 目的:观察桂哌齐特对脑梗死的治疗效果。
- The preparation of 3,5-dinitroacetophenone from 3,5-dinitrobenzoic acid and diethyl malonate has been investigated. 本文采用丙二酸二乙酯合成法,以3,5-二硝基苯甲酸为原料,经酰化、缩合、脱酸等步骤合成了3,5-二硝基苯乙酮。
