生物教学中显微镜的使用是非常普遍的。在观察细胞的细微构造或观察细菌时经常要使用油浸接物镜头,而这些油类,如香柏油、洋杉油等往往是比较缺乏不易买到。据郭质良编著的“发酵学”(前正中书局出版),书中曾提过可用甘油代替。经试用后(观察白喉杆菌、葡萄状化脓菌及酵母菌)效果良好,并具有 The use of microscopes in biology teaching is very common. When observing the microscopic structure of cells or bacteria often observe the use of immersion lens, and these oils, such as cedar oil, cedar oil, etc. are often less readily available. According to Guo Zhiliang edited “Fermentation” (formerly Zhongzhongshuju published), the book had mentioned the available glycerol instead. After the trial (observed diphtheria bacilli, grape-like purulent bacteria and yeast) good effect, and has