Xem 1-20 trên 101 kết quả Energy concept
  • This book has been written to present elementary practical and efficient applications in saving energy concept, as well as propose a solitary action for this category of topics. The book aims to illustrate various methods in treatment the concept of thermal insulation such as processes and the attempt to build an efficient passive building model.

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  • The History of the Development of Muscle Energy Concepts The development and refinement of what is now known as Muscle Energy Technique has been a process in evolution over the past fifty years. Muscle Energy Technique (MET), which originated with Fred L. Mitchell, Sr., continues to develop and evolve, first in the hands and minds of those who were privileged to study and learn the method directly from Fred Sr. (the 'second generation'), and now, as the third and fourth generation of students of the method apply it in their practices.

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  • T his book seeks to provide a comprehensive orientation to the fundamental concepts and clinical applications of Muscle Energy Technique (MET) as they have evolved over more than forty years. Fred L. Mitchell, Sr., DO, FAAO, the original developer of Muscle Energy Technique, never wrote a book, or even a paper, about MET specifically. Mitchell, Sr. did, however, write two highly significant papers! (1948, 1958) about manipulative treatment of mechanical dysfunctions of the pelvic joints. He gave credit to T.J. Ruddy, D.O. (1874-1964) and Carl Kettler, D.O.

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  • This book analyses the key issues of the offshore wind farm's energy transmission and grid integration infrastructure. But, for this purpose, there are not evaluated all the electric configurations. In the present book is deeply evaluated a representative case. This representative case is built starting from three generic characteristics of an offshore wind farm: the rated power, the distance to shore and the average wind speed of the location.

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  • In this user-friendly and informative book, prolific author and academic Vaclav Smil provides an introduction to this far-reaching term and gives the reader a greater understanding of energy's place in both past and present society. Starting with an explanation of the concept, he goes on to cover such exciting topics as the inner workings of the human body, and the race for more efficient and environmentally friendly fuels.

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  • The purpose of this book is to provide an up-to-date view of latest research advances in the design of efficient small-scale energy harvesters through contributions of internationally recognized researchers. The book covers the physics of the energy conversion, the elaboration of electroactive materials and their application to the conception of a complete microgenerator, and is organized according to the input energy source.

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  • In the early 21st century, research and development on sustainable energy harvesting (EH) technologies have started. Since then, many EH technologies have evolved, advanced and even been successfully developed into hardware prototypes for proof of concept like Helimote, AmbiMax, et al. Researchers from all around the world are devoting their precious time and efforts into finding a realistic and novel energy harvesting solutions for sustaining the operational lifetime of low‐power electronic devices like mobile gadgets, smart wireless sensor networks, etc....

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  • For thirty years or more the expressions “Correlation of the Physical Forces” and “The Conservation of Energy” have been common, yet few persons have taken the necessary pains to think out clearly what mechanical changes take place when one form of energy is transformed into another. Since Tyndall gave us his book called Heat as a Mode of Motion neither lecturers nor text-books have attempted to explain how all phenomena are the necessary outcome of the various forms of motion.

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  • Abstract Man is an omnivore and originally met energy requirements by hunting and gathering. Man evolved in an environment of feast and famine: there were periods with either a positive or negative energy balance. As an introduction to human energetics, this book on energy balance in motion starts with a chapter on animal energetics. How do animals survive and reproduce in an environment with a variable food supply? The examples on animal energetics illustrate how animals grow, reproduce and survive periods of starvation.

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  • This chapter include all of the following content: Elementary concepts, introduction to AC and DC machines, MMF of distributed windings, magnetic fields in Rotating machinery, rotating MMF Waves in AC machines, generated voltage,...

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  • Oracle Database 10g, released in 2003 and the current release, enables grid (the g in 10g) computing. A grid is simply a pool of computers that provides needed resources for applications on an as-needed basis. The goal is to provide comput- ing resources that transparently scale to the user community, much as an electri- cal utility company can deliver power to meet peak demand by accessing energy from other power providers’ plants via a power grid.

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  • The objective of this book is to present methods of power system analysis and design, particularly with the aid of a personal computer, in su‰cient depth to give the student the basic theory at the undergraduate level. The approach is designed to develop students’ thinking processes, enabling them to reach a sound understanding of a broad range of topics related to power system engineering, while motivating their interest in the electrical power industry.

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  • Natural systems for the treatment and management of municipal and industrial wastewaters and residuals feature processes that use minimal energy and minimal or no chemicals, and they produce relatively lower amounts of residual solids. This book is intended for the practicing engineers and scientists who are involved in the planning, design, construction, evaluation, and operation of wastewater management facilities.

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  • In this chapter, the specific-energy concept is introduced and, then, the momentum principle is applied to open-channel flows. The hydraulic jump and its types are defined and classified. This chapter introduces how to determine the direct and submerged hydraulics jump; their characteristics are presented

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  • This book provides information on the stages of machinery design for automated manufacturing and offers a step-by-step process for making it optimal. This is illustrated by numerous examples of technical concepts taken from different manufacturing domains.

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  • Several years ago, the idea arose to write a general book on tribology. Students often requested a suitable book for the study of tribology and there were problems in recommending any one text-book. Existing text-books were either too specialized or too literal. Many books provided exhaustive reviews of friction and wear data while others provided detailed description of the lubrication and wear problems occurring in machinery. A book which explains the concepts of tribology in terms useful to engineering students and engineers was, however, lacking....

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  • Distillation is probably one of the oldest systematic processes in the field of chemistry and chemical engineering which goes back to the first century AD. The initial concepts were applied in the production of distilled water. Distillation was a single step batch process at the beginning. However, fractional distillation as is used today was developed more than 10 centuries later.

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  • The presenting training concept serves as an introduction to the modern programming of automation systems. The training document should explain the function knowledge, parameterizing and configuration of an innovative automation system to the reader and convert and strengthen the attained knowledge into practical exercises. The exercises contain examples of the automation system SIMATIC by the company SIEMENS. The document is divided into separate modules which can be executed dependent on the previous knowledge of the reader...

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  • In this chapter, we will discuss a more accurate equivalent circuit for a PV cell. This circuit helps us to have better prediction and understanding of PV cell current-voltage characteristics as well as at different types of load connected to the PV panel, which is made up of an array of PV cells. Later in this chapter we will discuss the concept of maximum power point tracker (MPPT).

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  • This book is based on recent research work conducted by the authors dealing with the design and development of active and passive microwave components, integrated circuits and systems. It is divided into seven parts. In the first part comprising the first two chapters, alternative concepts and equations for multiport network analysis and characterization are provided. A thru-only de-embedding technique for accurate on-wafer characterization is introduced.

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