PrefaceChapter 1: Polymers and CompositesCompression Resin Transfer Molding Using Inflatable SealsAn Experimental Study of Nonlinear Behavior of Graphite/Epoxy Laminate under a Three-Point Bending TestStudy the Effect of Heat Treatment and Pressure on some the Optical Properties of the Pure PVA Nano PolymerBiocompatibility of Alginate -Graphene Oxide Film for Tissue Engineering ApplicationsLevel Density of the Pre Compound Nucleus Calculations for [28 60Ni], [2858Ni], Using Exciton ModelHeat Treatment at Different Temperatures and its Effect on the Optical Properties of Pure PMMA and PMMA-CoumarinChapter 2: Corrosion Behaviour and Corrosion ProtectionInvestigation of a Relative Weight Ratio of Graphite/Zinc Matrix Composite with a High-Resistance to CorrosionEffect of Electrodeposition Mechanism and α-Si3N4/ZrBr2 Doped Composite Particle on the Physicochemical and Structural Properties of Processed NiPZn Coatings on Mild Steel for Advance ApplicationEffect of ZrB2 Functionalized Nanoparticles Growth on Microstructural and Corrosion Resistance on Mild Steel through Electrodeposition RouteChapter 3: Materials and Technologies for Electronics and EnergeticsStudy Design and Development Gas Sensor Technology for Motor Vehicle Exhaust EmissionsTheory of Charge Transfer Reaction Process at the Sensitizers Molecule Dye N3 Contact with MgO SemiconductorZinc Oxide Thin Film Morphology as Function of Substrate Position During Sputtering ProcessSynthesis and Characterization of Semiconductor Composites Gas Sensors Based on ZnO Doped TiO2 Thin Films by Laser-Induced PlasmaThe Effect of Quantum Confinement on Optical Properties of CdSe Quantum Dots at Room TemperaturePreparation and Characterization of Nickel Doped Cadmium Sulfide Nanostructure Thin Films via Spray Pyrolysis MethodFabrication and Characterization of Nb2O5 Dopant Al Thin Films Prepared by DC Reactive Plasma Sputtering TechniqueEffect of Mechanical Alloying on Structural and Electrical Properties of (P2O5)(x)-(Y2O3)(0.03)-(ZrO2)(0.97) ElectrolyteFabrication of Ge30Te 70-xSbx Glasses Alloys and Studying the Effect of Partial Substitution on D.C Electrical Energy ParametersEffect of Partial Substitution of Sr by Ba on the Structural Properties of Tl0.8Ni0.2Sr2-xBrxCa2Cu3O9-δ SystemChapter 4: Ecology Safety and Technologies of Environmental EngineeringComparison of Emission Levels of Motor Cars, Motorcycles, and Tricycles Using Petrol Engines in Southwestern NigeriaEnhancement of Photocatalytic Performances by Sand/Zinc OxidePreparation and Properties of Mattel Oxide Nanoparticles by Pulse Laser Ablation in Liquid as Photo-Catalysis