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With three units of laboratory equipment (jaw and roller crushers, as well as rotary ore divider) operating simultaneously, numerical modeling research was performed to examine the effect of dust emission area on air pollution in a laboratory crushing room. The modeling was performed in a three-dimensional setting using the COMSOL program. The room ventilation process was modelled based on a previously developed two-stage methodological approach: calculation of aerodynamic parameters in the incompressible fluid ap...

The research objective was to develop a methodology for determining the total suspended solids concentration in wastewater based on the color indexes analysis. Determining the structure and properties of natural objects by processing its digital images has become widespread in soil science, since the soil colour is determined by its chemical and mineralogical composition. The material presented in the research can be considered as the initial steps in the development of soil science methods as applied to research ...

The result of determining the quantitative relationship between the temperature and humidity of enrichment waste materials based on the analysis of digital photographs of laboratory experiments using RGB and Lab methods is presented. Using standard equipment, a laboratory experiment was performed to determine the temperature and humidity of samples of the tailing dam surface layer. Digital photographs of the samples were taken in natural light. The images were processed on a computer to obtain the components value...