00663naa#a2200181#i#450# EN\\bibl\43758 20240519031256.7 2686-9896 20220110b2022####ek#y0engy0150####ca RU «BLACK BOX» AS A MODEL OF THE OBJECT OF RESEARCH IN CHEMICAL TECHNOLOGY Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2022 1 с. Journal article local Общие вопросы химии. 31.01 grnti Bal'chugov Aleksey Valer'evich Enhbat R. angtu.editorum.ru