主题词：Biodiesel Production and Applications; Geotechnical and construction materials studies; Geological and Geophysical Studies; Geotechnical Engineering and Soil Stabilization; Geophysical and Geoelectrical Methods; Geotechnical Engineering and Soil Mechanics; Seismic Performance and Analysis; Structural Behavior of Reinforced Concrete; Innovative concrete reinforcement materials; Geotechnical Engineering and Underground Structures; Structural Load-Bearing Analysis; Concrete and Cement Materials Research; Advanced machining processes and optimization; Biofuel production and bioconversion; Seismic Imaging and Inversion Techniques; Thermochemical Biomass Conversion Processes; Membrane Separation Technologies; Natural Fiber Reinforced Composites; Rock Mechanics and Modeling; Microplastics and Plastic Pollution; Drilling and Well Engineering; Water Quality Monitoring Technologies; Hydraulic Fracturing and Reservoir Analysis; Landslides and related hazards; Catalysis and Hydrodesulfurization Studies