Complex sentence: Mixing time (sometimes termed blend time), the time to achieve a predefined level of homogeneity of a tracer in a mixing vessel, is an important parameter to evaluate the mixing efficiency of mixing devices.
Split into simpler sentences: Mixing time (sometimes termed blend time) is the time to achieve a predefined level of homogeneity of a tracer in a mixing vessel. Blend time is an important parameter to evaluate the mixing efficiency of mixing devices.