State system for ensuring the uniformity of measurements. Reflectometers of the extreme ultraviolet radiation for measurements of the characteristics of multilayer nanostructures in the wavelength range 10 to 30 nm. Procedure of measurements
Atmospheric air quality. Methods for determining the fractional composition of dust by optical method. Calculation of suspended particle concentrations РМ2.5, РМ10 in atmospheric air based on fractional composition
