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methyl ethyl oxalate 草酸甲,乙酯
Thus the term dialkyl carbonate includes, for example, methyl ethyl carbonate. 因此术语二烷基碳酸酯包括，例如甲基乙基碳酸酯。
BC-DH2004 catalyst was used in dehydrogenation of sec-butyl alcohol(SBA)to prepare methyl ethyl ketone(MEK). 采用BC-DH2004催化剂进行仲丁醇脱氢合成甲乙酮的研究。
The polyurethane adhesives with solvent were prepared by polyester diol,1,4-butanediol,HDI and methyl ethyl ketone. 采用聚酯二元醇、1,4丁二醇、1,6-己二异氰酸酯以及丁酮为主要原料,合成溶剂型单组分聚氨酯胶粘剂。
The solvents we used were acetone,methyl ethyl ketone,methyl isobutyl ketone,ethyl acetate and vinyl acetate. 对丙酮、甲苯、丁酮、甲基异丁基酮、乙酸乙酯、醋酸乙烯酯等溶剂进行了评选。
The key step in the synthesis is Wittig coupling of farnesyltriphenylphosphonium bromide (8) with ethyl 2-oxo-3-methyl butyrate (3). (3) was prepared by Grignard reaction of ethyl oxalate with iso-propylmagnesium bromide. 其中关键步骤是溴化法呢基三苯基?(8)和2-氧代-3-甲基丁酸乙酯(3)的Wittig反应。
Chemicals, Manchester, UK while the methyl ethyl ketoxime was supplied by Banner [Samuel] &Co.Ltd.,Liverpool, UK. . 化学品，曼彻斯特，英国，而甲基乙基酮肟是由旗帜[黄秉槐] &有限公司，利物浦，英国。
A series terpolymer of DMV were synthesized from methyl ester 18,methyl ethyl acrylate and vinyl acetate. 以甲基丙烯酸十八酯、甲基丙烯酸乙酯、醋酸乙烯酯为原料合成了一系列三元聚合物的柴油流动性改进剂(DMV)。
Abstract: The reaction of methyl ethyl ketazine and water to hydrazine hydrate was studied in the catalyst conditions. 摘要：以丁酮连氮和去离子水为原料，研究了在催化剂条件下丁酮连氮水解制水合肼的不同工艺条件；
The ammoxidation of methyl ethyl ketone (MEK) to methyl ethyl ketoxime (MEKO) over nano-scale TS-1 was studied with a three-neck glass reactor. 以纳米钛硅分子筛TS-1为催化剂,采用三口玻璃反应器研究了甲乙酮(MEK)氨氧化的反应性能。
Abstract： Synthetic conditions of methyl ethyl ketazine from butanone，NH3 and hydrogen peroxide was studied in the presence of catalyst. 摘要：以丁酮、氨气和过氧化氢为原料，研究了在催化剂条件下水合肼中间体丁酮连氮合成的不同工艺条件；
Commonly used solvents ratio is: methyl ethyl ketone (30 per cent, accounting for 50% aminomethylbenzoic hexanl or 20 per cent. 常用的溶剂配比为：甲乙酮撤离30%25、甲苯撤离50%25、异丙醇撤离20%25。
The results show that the mixture of ethylene glycol and potassium acetate is a very effective extractant in the separation of azeotrope of methyl ethyl ketone-water. 结果表明乙二醇与醋酸钾的混合物是分离甲乙酮-水二元恒沸物的理想萃取剂。
The characteristics of using activated carbon fiber to absorb and recover toluene and methyl ethyl ketone tail gas from the solvent dewaxing and deoiling unit were described. 介绍了活性炭纤维的产品性能,阐述了活性炭纤维在酮苯脱蜡装置甲苯与甲乙酮尾气吸附回收的工艺特点。
The oxidative carbonylation of methanol and ethanol to asymmetric methyl ethyl carbonate (MEC)catalyzed by CuCl coordinated with Schiff base ligands has been studied. 研究了在甲醇、乙醇温和溶液中,氧化羰化一步合成不对称碳酸甲乙酯(MEC)反应。
For instance, in the above case the methyl ethyl phenylmalonate may be accompanied by the products formed by ester-interchange reactions, namely the dimethyl and diethyl phenylmalonates. 比如在上面的例子中，甲基乙基苯基丙二酸酯伴随有酯交换反应形成的产品，也就是二甲基苯基丙二酸酯和二乙基苯基丙二酸酯。
BUTENEX is the most advanced extractive distillation techonology for n-butene and butane separation up to now,uses methyl ethyl ketone and N-formyl morpholine for extraction solvent. 采用甲乙酮和氮甲酰吗啉混合物做萃取剂分离正丁烯和丁烷的技术是目前最先进的技术。
By simulating the absorption process of organic waste gases, wecan conclude that the most relative error of the absorption efficiency of methyl ethyl ketone is 4.54%, the average relative error is 2.19%. 本文对有机废气的吸收过程进行了模拟计算，取得了令人满意的模拟结果：丁酮吸收率的实验值与计算值的最大相对误差为4.;54%25，平均相对误差为2
In the first group we choose nine chemical compounds as detect index, they are benzene, toluene, m-xylene, o-xylene, ethylbenzene, butadiene, acetone, 2- Methyl ethyl ketone, 1,3,5- terimeth benzene. 在教室、复印室、寝室和办公室内对苯、甲苯、邻二甲苯、间二甲苯、乙苯、丁二烯、丙酮、2-丁酮、1-3-5三甲基苯九种物质进行检测。
The separation of azeotrope of methyl ethyl ketone water has been investigated by extractive distillation using the mixture of ethylene glycol and potassium acetate as an extractant. 结果表明乙二醇与醋酸钾的混合物是分离甲乙酮水二元恒沸物的理想萃取剂。