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The last few decades have seen rapid development in the field of surface engineering and its applications in almost all industrial sectors. Tribological coatings, which are an important aspect of surface engineering, are today applied on machine component surfaces for a diverse range of moving machine components to control (mostly to minimize) friction and wear in order to conserve energy and materials. This reprint book is a compilation of 11 research papers contributed by experts in the field of surface engineering and tribology. These papers have dealt with the synthesis of various types of coatings, characterization and applications under different operating conditions. It is hoped that this reprint book will be of interest, not only to researchers, but also to practicing engineers and technologists in the industry.
Whether or not you've heard of PCBs (polychlorinated biphenyls), it's likely that this toxic chemical can be found in your cells. PCBs were invented in 1920 for the electronics industry, fueled the WWII military machine, then were put to domestic uses, and finally came to be present in every corner of the earth. Because PCBs were outlawed in 1976, most people think they are no longer a threat. However, like many industrial chemicals, PCBs persist in our environment and continue to accumulate in practically every life form on earth, becoming more concentrated in the tissues of those highest on the food chain--like us. In Biocidal, investigative journalist Ted Dracos explores the science behin...
Liberal media outlets vilify the natural health movement but give Big Pharma a pass. That's not accidental. That's intentional. Once seen as rare diseases, cancer and autoimmune diseases are now chronic and debilitating. Obesity is permanently part of Western-European (WE) society. Mental health conditions are now a regular part of life. Why is our society like this? Is there a cure? Why do WE governments continue their war against marijuana? Why are millions of people drugging themselves to sleep with pharmaceutical drugs? Can you be free of cancer and autoimmune diseases without Big Pharma? Is there meaning and purpose to your pain and lack of heath? You'll find the answers to all of these questions in Part IV.
Presenting the history of the cellular phone from its beginnings in the 1940s to the present, this book explains the fundamental concepts involved in wireless communication along with the ramifications of cellular technology on the economy, U.S. and international law, human health, and society. The first two chapters deal with bandwidth and radio. Subsequent chapters look at precursors to the contemporary cellphone, including the surprisingly popular car phone of the 1970s, the analog cellphones of the 1980s and early 1990s, and the basic digital phones which preceded the feature-laden, multipurpose devices of today.
In a specialized field such as neurosurgery, highly specific knowledge is required. Training programs in the EU vary, making it difficult to standardize medical training. This manual forms the basis for a European consensus in neurosurgery. It is written for residents, students and physicians with a special interest in neurosurgery. Diagnostic and therapeutic procedures are detailed according to localization (cranial, spinal, peripheral nerves) with special consideration given to congenital defects and pediatric neurosurgical disorders, functional and stereotactic neurosurgery, as well as critical neurosurgical care. Each chapter contains the basics of anatomy and physiology. The book is well-organized and clearly structured according to each entity and its neurosurgical treatment options. A better understanding of specific neurosurgical problems will help practicing neurosurgeons provide better medical care for their patients, and will also provide the neurosurgery resident with a reliable European standard for step-by-step management of neurosurgical problems, which will prove useful when preparing for the board examination.
The last few decades have seen rapid development in the field of surface engineering and its applications in almost all industrial sectors. Tribological coatings, which are an important aspect of surface engineering, are today applied on machine component surfaces for a diverse range of moving machine components to control (mostly to minimize) friction and wear in order to conserve energy and materials. This reprint book is a compilation of 11 research papers contributed by experts in the field of surface engineering and tribology. These papers have dealt with the synthesis of various types of coatings, characterization and applications under different operating conditions. It is hoped that this reprint book will be of interest, not only to researchers, but also to practicing engineers and technologists in the industry.
The illustrations in this book are created by “Team Educohack”. Mathematics for Real Applications bridges the gap between theoretical math and real-world scenarios, making complex concepts accessible to senior secondary students. Covering a wide range of topics, we present practical applications of geometry, mensuration, trigonometric functions, probability, statistics, quadratic equations, complex numbers, and three-dimensional geometry. Our first chapter delves into Euclidean geometry, lines and angles, and their properties, followed by practical applications. We then explore mensuration, including various types of quadrilaterals, circles, and three-dimensional shapes. In trigonometry,...