acetoacetic ester
英
美
网络 乙酰乙酸乙酯; 乙酰乙酸乙酸
双语例句
- Ethyl sodio acetoacetic ester
乙基钠代乙酰乙酸酯 - Extracting Tea Polyphenols ( TP) with acetoacetic ester is a Key technique in TP indus-trial production.
乙酸乙酯萃取茶多酚是茶多酚工业生产中的关键技术。 - Under microwave irradiation without solvent, the condensation of 3-nitrobenzaldehyde and acetoacetic ester took place in much shorter time than conventional ways. The yield approach or exceed those of conventional ways.
微波无溶剂条件下，3-硝基苯甲醛和乙酰乙酸酯进行缩合反应，反应时间较传统方法大大缩短，而且收率达到或超过了传统方法。 - Extraction Velocity in Tea Polyphenols Production Using Acetoacetic Ester
乙酸乙酯萃取茶多酚的萃取速率研究 - Determination of Residual Acetone in Acetoacetic Ester ( the raw Material for the Synthesis of Edaravone) by Gas Chromatography
气相色谱法测定依达拉奉合成原料乙酰乙酸乙酯中的丙酮溶剂残留 - Objective To determine the contents of residual acetone in acetoacetic ester, the raw material for the synthesis of Edaravone, by gas chromatography.
目的：用气相色谱法测定依达拉奉合成起始原料乙酰乙酸乙酯中丙酮的残留量。