title: A PHOTOMETRIC SYSTEM FOR AUTOMATICALLY READING CONCENTRATION.
mesh_terms: D001331:Automation; D003124:Colorimetry; D004864:Equipment and Supplies; D010783:Photometry; D011932:Reading; D012106:Research; D013053:Spectrophotometry
keywords: AUTOMATION; COLORIMETRY; EQUIPMENT AND SUPPLIES; EXPERIMENTAL LAB STUDY; PHOTOMETRY; SPECTROPHOTOMETRY