Penicillin was being produced in a highly inefficient batch process, until a company (Shell Development) stepped in and applied their knowledge of unit operations. Within a year and a half, 60 times more soldiers could be treated!

• 在那以前，青霉素的生产使用的是效率很低的间歇方法，直到Shell发展公司介入并且使用他们的单元操作方法。此后1年半之内，青霉素救活士兵的数目增加了60多倍。