Preface Chapter 1: Synthesis and Applications of Nanomaterials Structure-Mechanical Property Relationships in Carbon Nanotube Yarns Synthesis and Characterization of Cu2O/ CuO Quantum Dots as Photocatalyst for Lignin Depolymerization via Reactive Oxygen Species: A Preliminary Study Low-Cost Fabrication of Visible-Light Sensitive PAN/Cu2O QDs Nanofibers Chemical Constituents and their Nanoemulsion Properties of Ethyl Acetate Crude Extract from Black Galingale Rhizome The Investigation of Phase Transformation Process of Nano-Citrogypsum via Recycling Saline Solution Chapter 2: Surface Treatment and Coatings Improving the Quality of Heat Treatment Using Microwave Heating of Products with a Complex Profile of Hardened Surfaces The Influence of Energy-Force Parameters on the Condition of Surface Structure and Properties of Steel during Frictional Thermomechanical Processing Preparation Method of a Metal Carrier for a Catalyst for the Recovery of Exhaust Gases from Nitrogen Oxides Adhesion of Meta-Aramid Coatings to Metal Substrates Chapter 3: Materials and Technologies for Radiation and Chemical Hazard Safety Providing Study of Polymer Ceramic-Inorganic Composites for Electromagnetic Radiation Absorption The Study of the Mechanical Strength of Polypropylene Filter Material for the Production of Disposable Respirators Development and Implementation of an Algorithm for Predicting the Intensity of Sorption of Hazardous Gaseous Materials Study of the Chemical Stability of Solidified Radioactive Waste Using Alkali Cement Through Long-Term Leaching.