【摘要】 以自制的“ U”形玻璃弯管替代青霉素瓶另行组合一套集气体的制备、性质检验、尾气消除为一体的简易的微型化实验装置，对图 1所示的装置进行改进，可以收到同样的实验效果.更多还原

【Abstract】 We use a self－ made curved glass tube to replace the drug bottle.At the same time,We combine a set of simple mini experimental device induding the preparution of gas;properties examination,tail gas grouped together.Finally we made some changes to the device illustrated in picture one.In this way.the same experimental result can be achieved.更多还原