principle of stationary phase

例句：

1. 1.The principle of stationary phase is crucial in the analysis of complex mixtures.
   固定相原理在分析复杂混合物时至关重要。
2. 2.In this experiment, we applied the principle of stationary phase to separate different components.
   在这个实验中，我们应用了固定相原理来分离不同的组分。
3. 3. The principle of stationary phase has been widely used in chemical engineering for separation and purification processes.
   固定相原理在化学工程中被广泛应用，用于分离和纯化过程。