[PDF] The Toff Goes To Market 39th Thousand eBook

Author : Trench H. Johnson
Publisher : Good Press
Page : 215 pages
File Size : 35,33 MB
Release : 2019-11-22
Category : Fiction
ISBN :

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'Phrases and Names, Their Origins and Meanings' is a one-of-a-kind encyclopedic work that offers plain statements of facts on the origins of popular phrases and names, alphabetically organized for easy reference. Trench H. Johnson's expertise in the subject matter, acquired through years of omnivorous reading and patient inquiry, has culminated in a comprehensive and fascinating compilation of linguistic curiosities that is sure to satisfy the curiosity of any word lover. From the history of place-names to the evolution of expressions, including a plethora of slang terms and Americanisms, this book offers a wealth of knowledge that opens up the history of peoples and civilizing influences.

Author : Matteo Meneghini
Publisher : Springer
Page : 383 pages
File Size : 21,71 MB
Release : 2016-09-08
Category : Technology & Engineering
ISBN : 3319431994

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This book presents the first comprehensive overview of the properties and fabrication methods of GaN-based power transistors, with contributions from the most active research groups in the field. It describes how gallium nitride has emerged as an excellent material for the fabrication of power transistors; thanks to the high energy gap, high breakdown field, and saturation velocity of GaN, these devices can reach breakdown voltages beyond the kV range, and very high switching frequencies, thus being suitable for application in power conversion systems. Based on GaN, switching-mode power converters with efficiency in excess of 99 % have been already demonstrated, thus clearing the way for massive adoption of GaN transistors in the power conversion market. This is expected to have important advantages at both the environmental and economic level, since power conversion losses account for 10 % of global electricity consumption. The first part of the book describes the properties and advantages of gallium nitride compared to conventional semiconductor materials. The second part of the book describes the techniques used for device fabrication, and the methods for GaN-on-Silicon mass production. Specific attention is paid to the three most advanced device structures: lateral transistors, vertical power devices, and nanowire-based HEMTs. Other relevant topics covered by the book are the strategies for normally-off operation, and the problems related to device reliability. The last chapter reviews the switching characteristics of GaN HEMTs based on a systems level approach. This book is a unique reference for people working in the materials, device and power electronics fields; it provides interdisciplinary information on material growth, device fabrication, reliability issues and circuit-level switching investigation.

Author : Ali M. Eltamaly
Publisher : Springer
Page : 486 pages
File Size : 45,47 MB
Release : 2019-08-01
Category : Technology & Engineering
ISBN : 3030055787

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This book introduces and analyses the latest maximum power point tracking (MPPT) techniques, which can effectively reduce the cost of power generated from photovoltaic energy systems. It also presents a detailed description, analysis, and comparison of various MPPT techniques applied to stand-alone systems and those interfaced with electric utilities, examining their performance under normal and abnormal operating conditions. These techniques, which and can be conventional or smart, are a current hot topic, and this book is a valuable reference resource for academic researchers and industry professionals who are interested in exploring and implementing advanced MPPT for photovoltaic systems. It is also useful for graduate students who are looking to expand their knowledge of MPPT techniques.

Author : L. Ashok Kumar
Publisher : Springer Nature
Page : 943 pages
File Size : 49,7 MB
Release : 2020-03-12
Category : Technology & Engineering
ISBN : 3030240517

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Due to the complexity, and heterogeneity of the smart grid and the high volume of information to be processed, artificial intelligence techniques and computational intelligence appear to be some of the enabling technologies for its future development and success. The theme of the book is “Making pathway for the grid of future” with the emphasis on trends in Smart Grid, renewable interconnection issues, planning-operation-control and reliability of grid, real time monitoring and protection, market, distributed generation and power distribution issues, power electronics applications, computer-IT and signal processing applications, power apparatus, power engineering education and industry-institute collaboration. The primary objective of the book is to review the current state of the art of the most relevant artificial intelligence techniques applied to the different issues that arise in the smart grid development.

Author : Gunnar M. Brune
Publisher : Texas A&M University Press
Page : 616 pages
File Size : 43,57 MB
Release : 2002
Category : Business & Economics
ISBN : 9781585441969

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This text explores the natural history of Texas and more than 2900 springs in 183 Texas counties. It also includes an in-depth discussion of the general characteristics of springs - their physical and prehistoric settings, their historical significance, and their associated flora and fauna.

Author : J. Theodore Bent
Publisher : Good Press
Page : 272 pages
File Size : 37,47 MB
Release : 2019-11-26
Category : Travel
ISBN :

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Southern Arabia by J. Theodore Bent is about Mrs. Theodore Bent and their husband and what they see and do on their travels through the wilds of Arabia. Excerpt: "I Manamah and Moharek 1 II The Mounds of Ali 16 III Our Visit to Rufa'a 30 MASKAT IV Some Historical Facts about Oman 45 V Maskat and the Outskirts 63 THE HADHRAMOUT VI Makalla 71 VII Our Departure into the Interior 81 VIII The Akaba 88 IX Through Wadi Kasr 98 X Our Sojourn at Koton 111 XI The Wadi Ser and Kabr Saleh 126 XII The City of Shibahm 142 XIII Farewell to the Sultan of Shibahm 162 XIV Harassed by our Guides 177 XV Retribution for our Foes 199 XVI Coasting Eastward by Land 210 XVII Coasting Westward by Sea."