EXAMPLE SENTENCES | ||
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研究了乙酰乙酸乙酯(AA)不同程度的水解对B-Z振荡反应的影响。 The influence of the hydrolysis of acetacetic ether (AA) on B-Z oscillating reaction is studied. | ||
在气相色谱上,乙酰乙酸甲酯、乙酰乙酸乙酯、3-氧代戊酸甲酯与醇在无任何催化剂存在下,发生酯交换反应。 Gas chromatography(GC) as a chemical reactor, methyl acetoacetate, ethyl acetoacetate, and methyl(3-oxo) pentanoate can undergo transesterfication with various alcohols without any catalyzers. | ||
方法以1,3-溴丙烷与乙酰乙酸乙酯为原料经环合、开环、溴代等反应合成。 METHODS The compound was synthesized through the reaction of cyclization, split, bromination et al and using 1,3-propyl bromide and ethyl acetoacetate as raw materials. | ||
再用乙酸乙酯萃取花生蛋白。 Then peanut protein is extracted with ethyl acetate. | ||
不会再乙酸乙酯混合物里增长! Not much grows in a ethyl acetate cocktail! | ||
比较了氯乙酰氯和溴乙酰溴对中间体及硝基安定收率的影响。 The effect of chloroacetyl chloride and bromoacetyl bromide on yields of intermediates and nitrazepam was compared. | ||
用汽液平衡釜测定了乙酸乙酯-异丙醚和乙酸乙酯-四氢呋喃二组分物系的汽液平衡数据。 Vapor-liquid equilibrium data of ethyl acetate-isopropyl ether and ethyl acetate-tetrahydrofuran binary systems were measured at atmospheric pressure 101. | ||
它已被认为是抑制乙酰胆碱酯酶的酶。 It has been found to be an inhibitor of the enzyme acetylcholinesterase. | ||
目的:对乙酰螺旋霉素片鉴别方法进行探讨。 Objective: To discuss on identification tests for acetylspiramycin tablets. | ||
乙酸乙酯是性能优良的溶剂、萃取剂和重要的化工原料。 Ethyl acetate is an excellent solvent and extractant and is an important chemical material too. | ||