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This book aims at providing the concepts of topological indices and its applications in various fields. Topological indices capture the symmetry of molecular structure and provide a mathematical language to predict physical and chemical properties of chemical compounds. In the fields of chemical graph theory, molecular topology, and mathematical chemistry a topological index also known as a connectivity index. These topological indices are numerical parameters of a graph which characterize its topology and are usually graph invariant. Also, this book offers examples of topological indices in...

Composite materials are engineered materials, made from two or more constituents with significantly different physical or chemical properties which remain separate on a macroscopic level within the finished structure. Due to their special mechanical and physical properties they have the potential to replace conventional materials.

• Carbon Fiber Reinforced Plastics modern technologies for automated, highly productive and cost efficient processing
• Robots offer cutting-edge and lower-cost solutions than machine tools for bringing molded CFRP parts to their final shapes and sizes

World Health Organization has estimated that 8% to 12% of couples Worldwide experience infertility. Most of the times, when the infertile couples are referred to clinical centers for obtaining required modern services, they see that the therapy service only aims at the treatment of their physical problem and the psychological problems faced by infertile couple are not addressed property and adequately. Therefore neglecting of the psychological factors related to infertility and just considering these problems, as medical ones will create huge obstacles in understanding human beings as an...