The story is about a mysterious island of enchantment that was discovered by a group of travelers. After exploring the island's secrets and finding them too valuable to keep to themselves, the travelers shared their discoveries with the world. Soon, the island became a popular tourist destination and a hub of scientific discovery, attracting people from all over the globe. Despite the island enduring a terrible storm that destroyed its forests and magical inhabitants, its magic remained, and it eventually healed itself, becoming a place of enchantment and wonder once again. The legacy of the travelers lived on, inspiring new generations of adventurers, dreamers, and scientists. The island became a symbol of the limitless potential of human creativity and the infinite possibilities that lay waiting for us if only we had the courage to seek them out.
This book highlights the qualitative and quantitative sequential changes in microstructure of P22 steel under various stress and temperature conditions. The P22 alloy is an established material used under elevated temperature and stress for the components of thermal power plants. Temperature and stress levels for laboratory experimentation have been selected based on the true operating condition of a boiler. This book describes both continuous as well as interrupted tests that were performed under given parameters. Subsequently, the microstructures, bulk hardness and NDE parameters (magnetic and non-linear ultrasonic) have been evaluated. For reliable data, the microstructures have been observed at different regions of creep exposed samples by different characterization techniques. This has been further followed by drawing correlation between specific features like precipitate size variation with creep strain / creep time and so on. Given the contents, this book will be a useful reference for researchers and professionals working in the area of materials especially in thermal power plants.
This book highlights the qualitative and quantitative sequential changes in microstructure of P91 steel under various stress and temperature conditions. The P91 alloy is an established material used under elevated temperature and stress in the components of thermal power plants. Temperature and stress levels for laboratory experimentation have been selected based on the true operating condition of a boiler. This book describes both full length as well as interrupted tests that were performed under given parameters. Subsequently, the microstructures, bulk hardness and NDE parameters (magnetic and non-linear ultrasonic) have been evaluated. For reliable data, the microstructures have been observed at different regions of creep exposed samples by different characterization techniques. This has been further followed by drawing co-relation between specific features like precipitate size variation with creep strain / creep time and so on. Given the contents, this book will be a useful reference for researchers and professionals working in the area of materials especially in thermal power plants.
The story is about a mysterious island of enchantment that was discovered by a group of travelers. After exploring the island's secrets and finding them too valuable to keep to themselves, the travelers shared their discoveries with the world. Soon, the island became a popular tourist destination and a hub of scientific discovery, attracting people from all over the globe. Despite the island enduring a terrible storm that destroyed its forests and magical inhabitants, its magic remained, and it eventually healed itself, becoming a place of enchantment and wonder once again. The legacy of the travelers lived on, inspiring new generations of adventurers, dreamers, and scientists. The island became a symbol of the limitless potential of human creativity and the infinite possibilities that lay waiting for us if only we had the courage to seek them out.
This book highlights the qualitative and quantitative sequential changes in microstructure of P22 steel under various stress and temperature conditions. The P22 alloy is an established material used under elevated temperature and stress for the components of thermal power plants. Temperature and stress levels for laboratory experimentation have been selected based on the true operating condition of a boiler. This book describes both continuous as well as interrupted tests that were performed under given parameters. Subsequently, the microstructures, bulk hardness and NDE parameters (magnetic and non-linear ultrasonic) have been evaluated. For reliable data, the microstructures have been observed at different regions of creep exposed samples by different characterization techniques. This has been further followed by drawing correlation between specific features like precipitate size variation with creep strain / creep time and so on. Given the contents, this book will be a useful reference for researchers and professionals working in the area of materials especially in thermal power plants.
This book highlights the qualitative and quantitative sequential changes in microstructure of P91 steel under various stress and temperature conditions. The P91 alloy is an established material used under elevated temperature and stress in the components of thermal power plants. Temperature and stress levels for laboratory experimentation have been selected based on the true operating condition of a boiler. This book describes both full length as well as interrupted tests that were performed under given parameters. Subsequently, the microstructures, bulk hardness and NDE parameters (magnetic and non-linear ultrasonic) have been evaluated. For reliable data, the microstructures have been observed at different regions of creep exposed samples by different characterization techniques. This has been further followed by drawing co-relation between specific features like precipitate size variation with creep strain / creep time and so on. Given the contents, this book will be a useful reference for researchers and professionals working in the area of materials especially in thermal power plants.
Our main discussion in this book Indian society, polity and culture of the colonial period. Indian society in the 19th century was caught in an inhuman web created by religious superstition and social obscuration. Hinduism, has become a compound of magic, animation and superstition and monstrous rites like animal sacrifice and physical torture had replaced the worship of God. The most painful was position of women. The British conquest and dissemination colonial culture and ideology led to introspection about the strength and weakness of indigenous culture and civilization. The social reform movements which emerged in India in the 19th century arose to the challenges that colonial Indian society faced. The well-known issues are that of sati, child marriage, ban on widow remarriage and caste discrimination. It is not that attempts were not made to fight social discrimination in pre-colonial India. They were central to Buddhism, to Bhakti and Sufi movements. What marked these 19th century social reform attempts were the modern context and mix of ideas. It was a creative combination of modern ideas of western liberalism and a new look on traditional literature.We hope that students will benefited a lot from reading this book.
This authored book collates information on extremophilic microorganisms from around the world with special emphasis on India. The main focus of this book is to describe extreme environments as the habitats of these microorganisms, mechanisms of the extremophiles to cope up with the surrounding environment, new taxa created, their physiological properties, their biotechnological potential in the production of different biomolecules and biomaterials, and their role in sustainability. The concept of the book is to have comprehensive information on the diversity of microorganisms in one place. The purpose of the present book is to make aware young researchers of the attempts made so far to isolate these different microbes, inspire them to revisit the extreme environments, investigate their biodiversity using advanced molecular techniques and explore further their biotechnological potential. This book is of interest to post-graduate students, young researchers of India as well as other countries. It is useful reading material for researchers involved in environmental microbiology, microbial diversity, microbial systematics, microbial culture collections, molecular taxonomy, and microbial biotechnology.
Indian history and culture are dynamic, spanning back to the beginning of human civilization. It began with a mysterious culture that flourished along the Indus River as well as among the farming communities in the southern lands of India. And the history of India is punctuated by constant integration of migrating people with the diverse cultures that surrounded India. Available evidence suggests that the use of iron, copper, and other metals was widely prevalent in the Indian sub-continent at a fairly early period, which is indicative of the progress that this part of the world had made by the end of the fourth millennium BC. History is the chronological study of the life and civilization of human beings. To develop linkage with the past and the present through continuous dialogues between the experience of past and that of the present is the fundamental mission of history. So, the historian E H Car aptly says that the great writing of history becomes successful only when the search done by the historians illuminates and involves it with the problems of present age. The tested truth is that achieving knowledge from the experience of history acts as constant in the different socio-economic and political contexts. But the approaches to studying history are continuously informed by the changing circumstances and consequently modified from time to time in keeping with the demands of time and space. New ideas and views develop in the present and futures times in the light of experiences of history.
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