【摘要】 介绍几种新型简易水蒸气蒸馏装置,并和教材中水蒸气蒸馏装置对比,具有所需仪器少、安装简单、节约能源、提高产率、缩短时间、安全可靠等优点。在数据上,实现了数据共享,充分锻炼了学生的团队精神。更多还原

【Abstract】 We have introduced several new types of simple steam distillation unit,and contrasted with our teaching materials,there was line with less equipment required for simple installation,saving energy,improving yield,reducing the time,safe and reliable.In the data,we have achieved data sharing and fully exercised the student’s teamwork.更多还原