флотаци ялгах төхөөрөмж m
In this study, we have focused on the outdoor concentration of fine particulate matter () during the coldest months (NovemberFebruary) of and JanuaryFebruary of 2020 and illustrated the daily, monthly and quarterly averages according to the singlepoint measurement data collected by the sensor at an air quality monitoring station located in a central area of Ulaanbaatar.
