PrefaceChapter 1: Functional and Special MaterialsRapid and Visual Detection of Vitamin C Based on Sodium Citrate-Stabilized Silver NanoparticlesPreparation of Polycurcumin-Modified Graphite Electrode via Electropolymerization and its Application for Determining Cd2+Performance Optimization of Supercapbattery with Porous Modification on Silicon as Anode and Cathode Based on Al2O3/CuCrO2Silver Nanowires (AgNWs) Post-Treatment Effect in Application of Flexible Transparent and Conductive Electrodes: A Mini ReviewPhysical and Optical Properties of CeF3 Doped with Aluminium Fluorophosphate GlassesChapter 2: Waste Treatment and Biomass ProcessingCatalytic Pyrolysis of Biomass Waste Mixture over Activated Carbon and Zeolite Catalyst for the Production Bio OilPyrolytic Plastic Oil Distillation Study of Five Mixed Plastic Waste PyrolysisThe Effect of Drying Temperature Variation on the Production of Porang Starch Bioplastics with Sorbitol Plasticizer on Mechanical and Thermal PropertiesChapter 3: Structural MaterialsStudy of Sensitization in Gas Tungsten Arc Welded 304 Stainless Steel Joints Using 308L Filler MetalEffect of Heat Treatment Process on the Microstructure and Hardness of Train Wheel MaterialReview of the Physical Properties of CLC Lightweight Concrete Using the Addition of Red Sand from Labuhan Batu SelatanChapter 4: Data Processing and Computational Research in Geology and GeophysicsThe Effect of Earthquake Vibration on the Deformation of the Steel Structure of a Special Moment Frame SystemLandslide Mapping from the Cylcone Seroja in Kupang City Using Remote SensingHypocenter Relocation Using Fast Marching Method (FMM) in TarutungAnalysis DEM and Geological Observation Data for Study of the Potential Landslide National Street for Jantho - LamnoOptimizing the Gravity Data and Geological Observation for Mapping the Local Fault around the Jaboi VolcanoConvex Relaxation for Solving Polynomial Programs through Quadratization Technique