TY JOUR TI Evaluation of the influence of adjusting parameters on the ecological characteristics of main marine 7RT-FLEX82T diesel engines KW Marine diesel engines KW specific emissions of nitrogen oxides KW load KW lead angle of fuel injection KW pre-injection masses KW experimental design KW mathematical model JO Operation of Maritime Transport AU Atlasov, R.U. AU Ignatenko, G.V. AU Türkin, V.A. PY 2019 IS PB Budget Educational Institution of Higher Education “Admiral Ushakov State Maritime University”