考察了酸醇比、回流比、进料流量、进料位置等因素对反应过程的影响。
The effects of acid-alcohol ratio, reflux ratio, feeding flux, and feeding location on the process are investigated.
结果采用乙醇回流提取后，利用酸提碱沉法，盐酸药根碱与盐酸巴马汀含量最高。
Results the alkaloid content was the highest after circumfluence extraction by ethanol acid-base precipitation.
对醋酸与正丁醇酯化反应体系，考察了催化剂用量、醇酸比、进料流量、进料位置、回流位置等因素对过程的影响。
The catalyst quantity, alcohol-acetic mole ratio, feed rate and reflux feed site effects on the process are investigated.
对乙酸与乙醇酯化反应体系，考察了催化剂用量、酸醇比、进料位置、回流比、回流组成等因素对过程的影响。
The effects of catalyst quantity, acetic alcohol mole ratio, acetic acid and ethyl alcohol feed site, reflux ratio and reflux composition on the process are investigated.
讨论和分析了脂肪酸甲酯间歇精馏过程中回流比、操作压力、釜温对精馏效果的影响。
Effect of reflux ratio, operation pressure and bottom temperature on fractionation results were discussed.
研究了回流除氯时间、温度、吸附剂用量对去氯率的影响，以及微波消解条件、酸介质、催化剂对COD测定的影响。
The effects of reflux time, temperature, amount of adsorbent on the efficiency of removal of Cl - and the microwave digestion conditions, acid medium, catalysts on the COD determination are discussed.
微波、超声波和热回流提取技术分别用于提取杜仲中的绿原酸、咖啡酸、没食子酸、原儿茶酸和香草酸，并用高效液相色谱进行分析。
Microwave-and ultrasonics-assisted extraction(MAE and UAE) and heat reflux extraction(HRE) techniques were respectively used for simultaneous extraction of five polyphenolic acids, i.
用酸水解多糖链后经离子交换净化 ，再用醋酐、吡啶加热回流乙酰化。
The glycosides in membrane proteins were extracted by using acid and cleared by using ion exchange column.
用酸水解多糖链后经离子交换净化 ，再用醋酐、吡啶加热回流乙酰化。
The glycosides in membrane proteins were extracted by using acid and cleared by using ion exchange column.
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