Title: Vlii︠a︡nie na okruzhai︠u︡shchui︠u︡ sredu vybrosov teplovykh ėlektrostant︠s︡iĭ v atmosferu; metody snizhenii︠a︡ obrazovanii︠a︡ okislov azota v topkakh kotlov
Subjects: Steam power-plants, Environmental aspects, Nitrogen oxides, Steam power plants