浓度-时间依赖性在SCI论文中通常怎么用英语表述

The concentration-time dependence is typically expressed in English in SCI papers as follows:

1. "The relationship between concentration and time was investigated."

2. "The concentration as a function of time was analyzed."

3. "The temporal profile of concentration was examined."

4. "The concentration-time curve was plotted."

5. "The kinetics of concentration over time were studied."

6. "The time-dependent changes in concentration were assessed."