Determining The Effect of Load on Synchronous Generator With Spark-Ignition Engine Energy Efficiency Statistical Modelling of Factors Influencing the Agricultural Land Market in Ukraine DFT Simulations of ZnxMg1–XO Solid Solutions for Solar-Blind UV Sensors: Evaluation of Electronic Structure and Phase Stability Isothermal Mechanical Cycling of Saponite–Titanium Composites in Conditions of Complex Stressed State Complex Type II Solar Radio Event on 4 July 2022 Energy Performance Aspects of Non-Residential Buildings in Latvia