бөмбөлөгт тээрэм cu zn pb шигших ургамлын зураг
шохойн бөмбөлөгт тээрэм cu zn pb machineprocess flow In most cases concentrations of Zn Cu Pb and Cd in the pine needles were higher in comparison to data from the area at a low pollution site e.g. Białowieża Primeval Forest where the following concentrations were observed 40.9 2.9 1.29 and 0.25 mg kg − 1