Study of technical feasibility and the payback period of the invested capital for the installation of a grid-connected photovoltaic system at the library of the technological federal university of Parana.rnExergy analyses of an endoreversible closed regenerative Brayton cycle CCHP plant.rnModeling the importance of biomass qualities in biomass supply chains for bioenergy production.rnMonitoring of air pollution spread on the car-free day in the city of Veszprem.rnTransient thermal behavior of a homogeneous composite micro-domain: the hyperbolic heat-conduction model.rnModel application for acid mine drainage treatment processes.rnThermodynamic analysis for a regenerative gas turbine cycle in coking process.rnThermal insulation capacity of roofing materials under changing climate conditions of Sub Saharan regions of Africa.rnMaterial waste in the China construction industry: minimization strategies and benefits of recognition.rnCFD modeling of dust dispersion through Najaf historic city centre.