Multiphase Flow and Reactors Engineering and Application Laboratory(mReal);
Chemical and Biochemical Engineering Department;
Missouri University of Science and Technology;
Rolla;
MO;
65409-1230.USA;
University of Technology;
Chemical Engineering Department;
Baghdad;
Iraq;
Scenedesmus; microalgae; Cylindrical; airlift; photobioreactor; Physical; properties; Non-invasive; gamma-ray; technique;