00677naa#a2200193#i#450# EN\\bibl\36352 20241227102049.5 2686-9896 20200605b2020####ek#y0engy0150####ca RU METHODOLOGY FOR CALCULATING THE EFFICIENCY OF CYCLONES Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2020 1 с. Химия. 04.03.01 local Journal article local Aslamov Aleksandr Anatol'evich Lyapustin Roman Yur'evich Aslamova Vera Sergeevna angtu.editorum.ru