500 watt diesel fueled TPV portable power supply;70 years of test loop of VNIIZhT;A decentralized scheduling method for flowshop problems with resource constraints;A Higher Order Interior Point Method to Minimize Active Power Loss in Electric Energy Systems;A Mathematical Model of Charge and Discharge for Lead Batteries in Electric Road Vehicles;A model experiment of a plastic house ventilator driven by electricity from photovoltaic generators;