This research analyzed the country and corporate characteristics influencing companies’ environmental, social, governance (ESG) disclosure in Brazil Germany. The methodology is descriptive, quantitative, documentary, analyzing period from 2010 to 2019 of Brazilian companies Brasil, Bolsa e Balcão (B3) German Frankfurt Stock Exchange. Regarding (carbon emissions GDP), it was evidenced that carbo...

Taking the simplified airborne integrated thermal management system as research object, change characteristics of under different control modes are analyzed, which provides a theoretical basis for study schemes. Using combination mathematical models and computer to establish an model with fuel main heat sink, air/fuel exchanger, fuel/PAO exchanger other components, A fuzzy self-tuning PID metho...