Currently, the apparatus used in distillation and other chemical reactions include round bottom flask, two necked bottle, three necked bottle, and etc.
现行的用于蒸馏和化学反应的烧瓶类玻璃仪器，有园底烧瓶、两颈瓶、三颈瓶等。
2
This paper introduces a simple semi micro-distillation apparatus, In this apparatus, a three-necked flask is used as steam generator.
本文介绍一种用三颈圆底烧瓶作为蒸汽发生器的半微量水汽蒸馏装置。
3
Experiment results indicated that the vacuum distillation by using two flask vacuum collectors can make product yield higher.