Relationship between the technical condition of the equipment of heat and power engineering units and the noise level in the environmentO.A. Gorbunova, G.I. Pavlov, P.V. Nakoryakov and Yu.I. KhakimzyanovaE3S Web Conf., 124 (2019) 05062DOI: https://doi.org/10.1051/e3sconf/201912405062