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、萃取剂温度等主要影响因素改变对萃取精馏过程影响,为工业应用提供理论与实践基础。