Mathematical model for measuring the concentration of nanoparticles in a liquid during sedimentation. It is suggested to evaluate the sedimentation time (or velocity) by
measuring the optical density of the solution
Мероприятия по нормализации параметров световой среды of the employee in the room. The main sources of adverse effects on the human body were identified, and
measures Способ измерения длины когерентности квазимонохроматического светаThe Way of
Measurement of Length of Coherence of Quasi-monochromatic
Light