化学博士

例句：

1. 1. He is a chemist and a professor at the university.
   他是一名大学教授，同时也是一名化学家。
2. 2. The chemistry department has a large number of students studying under their guidance.
   化学系拥有大量学生在他们的指导下学习。
3. 3. The researcher was awarded the title of "Chemistry Doctor" for his groundbreaking work in the field.
   这位研究者因其在领域内开创性的工作被授予“化学博士”称号。