reflux

Ineffective esophageal motility in gastroesophageal erosive reflux disease and in nonerosive reflux disease: Are they different?

侵蚀与非侵蚀胃食管反流病中的食管运动障碍:两者是否不同?

Objective:To study the extraction technology of dioscin from Paris polyphylla Smith of Taibai adopting infusion method and reflux respectively.

以太白灯台七为原料,研究薯蓣皂苷的提取工艺。

The main factors that influence the extractive distillation were researched such as the theoretical plate number, feedboard, solvent ratio, reflux ratio, the temperature of solvent.

通过计算考察了理论板数、进料位置、溶剂比、回流比、萃取剂温度影响因素的改变对萃取精馏过程的影响,为工业应用提供理论与实践基础。