Annual report of the National Research Council. 1921 |6th JA1-JE 30, 1921 publ 1922 PDF Download

Author:
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ISBN:
Category :
Languages : en
Pages : 74

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Author: National Library of New Zealand
Publisher:
ISBN:
Category : Catalogs, Union
Languages : en
Pages : 272

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Author: Richard G. Bakkala
Publisher:
ISBN:
Category : Chum salmon
Languages : en
Pages : 100

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Author: George Eric Lasker
Publisher:
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Category : Cybernetics
Languages : en
Pages : 51

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Author: Miodrag Petkovi_
Publisher: American Mathematical Soc.
ISBN: 0821848143
Category : Mathematics
Languages : en
Pages : 346

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This entertaining book presents a collection of 180 famous mathematical puzzles and intriguing elementary problems that great mathematicians have posed, discussed, and/or solved. The selected problems do not require advanced mathematics, making this book accessible to a variety of readers. Mathematical recreations offer a rich playground for both amateur and professional mathematicians. Believing that creative stimuli and aesthetic considerations are closely related, great mathematicians from ancient times to the present have always taken an interest in puzzles and diversions. The goal of this book is to show that famous mathematicians have all communicated brilliant ideas, methodological approaches, and absolute genius in mathematical thoughts by using recreational mathematics as a framework. Concise biographies of many mathematicians mentioned in the text are also included. The majority of the mathematical problems presented in this book originated in number theory, graph theory, optimization, and probability. Others are based on combinatorial and chess problems, while still others are geometrical and arithmetical puzzles. This book is intended to be both entertaining as well as an introduction to various intriguing mathematical topics and ideas. Certainly, many stories and famous puzzles can be very useful to prepare classroom lectures, to inspire and amuse students, and to instill affection for mathematics.

Author: John Robert Kennamer
Publisher:
ISBN:
Category : Reference
Languages : en
Pages : 386

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"After careful study of all sources for two years, the authors are of the opinion that [their Kennamer] forefathers were of High Dutch descent and lived in Holland near where that State borders with present-day Germany. ... They came to this country before the Revolutionary War and settled in the Carolinas."--Page 13. Some later went to Alabama. "Hans Kennamer, with a large family, and his eldest son, Jacob, who was married, came to the Cove and settled among the Indians in 1798, or not later than 1805. This place is now know as Kennamer Cove. ... The records of Madison County, Alabama, show that Samuel, Stephen and Jacob Kennamer bought land in that county in 1809. ... It is a well-known fact that the sons of Hans Kennamer settled ... in the western part of Jackson County, the eastern part of Madison County, and the northern part of Marshall County. David and Abram resided in Madison County, while John Kennamer lived at the place wher Paint Rock, Alabama, now is. ... Hans Kennamer died and was buried in Pisgah Cemetery, in Kennamer Cove, Alabama."--Page 14-15. Nothing is know of his wife. Son Jacob Kennemer (ca. 1776-1856) " ... moved from Alabama to Giles County, Tennessee where he acquired ... land of Sugar Creek. ... He was married twice, but the names of his wives could not be ascertained. He was buried on Anderson Creek, in Lauderdale County, Alabama, near Foster's Mill."--P. 17-18. Also includes Kennamer, Kennemore, Canamore, Kennemur, Kennemer, Kenimer families of Georgia. Descendants and relatives lived in Alabama, Tennessee, Texas, California, Oklahoma, New Mexico, Missouri, Iowa, Georgia and elsewhere

Author: Lyle Campbell
Publisher: MIT Press
ISBN: 9780262532679
Category : Language Arts & Disciplines
Languages : en
Pages : 478

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This accessible, hands-on text not only introduces students to the important topicsin historical linguistics but also shows them how to apply the methods described and how to thinkabout the issues; abundant examples and exercises allow students to focus on how to do historicallinguistics. Distinctive to this text is its integration of the standard topics with others nowconsidered important to the field, including syntactic change, grammaticalization, sociolinguisticcontributions to linguistic change, distant genetic relationships, areal linguistics, and linguisticprehistory. Examples are taken from a broad range of languages; those from the more familiarEnglish, French, German, and Spanish make the topics more accessible, while those fromnon-Indo-European languages show the depth and range of the concepts they illustrate.This secondedition features expanded explanations and examples as well as updates in light of recent work inlinguistics, including a defense of the family tree model, a response to recent claims on lexicaldiffusion/frequency, and a section on why languages diversify and spread.

Author: Francis Asbury
Publisher:
ISBN:
Category :
Languages : en
Pages : 558

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Author: Pericles S. Theocaris
Publisher: Springer
ISBN: 3540357890
Category : Science
Languages : en
Pages : 365

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Photoelasticity as an experimental method for analyzing stress fields in mechanics was developed in the early thirties by the pioneering works of Mesnager in France and Coker and Filon in England. Almost concurrently, Föppl, Mesmer, and Oppel in Germany contributed significantly to what turned out to be an amazing development. Indeed, in the fifties and sixties a tremendous number of scientific papers and monographs appeared, all over the world, dealing with various aspects of the method and its applications in experimental stress analysis. All of these contributions were based on the so-called Neumann-Maxwell stress-opticallaw; they were developed by means of the classical methods of vector analysis and analytic geometry, using the conventionallight-vector concept. This way of treating problems of mechanics by photoelasticity indicated many shortcomings and drawbacks of this classical method, especially when three-dimensional problems of elasticity had to be treated and when complicated load and geometry situations existed. Meanwhile, the idea of using the Poincare sphere for representing any polarization profile in photoelastic applications was introduced by Robert in France and Aben in the USSR, in order to deal with problems of polarization oflight passing through aseries of optical elements (retarders andjor rotators). Although the Poincare-sphere presentation of any polarization profile con stitutes a powerful and elegant method, it exhibits the difficulty of requiring manipulations in three-dimensional space, on the surface of the unit sphere. However, other graphical methods have been developed to bypass this difficulty.

Author: Manola Brunet India
Publisher: Springer Science & Business Media
ISBN: 3662043130
Category : Science
Languages : en
Pages : 648

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For the very first time, this book provides updated, integrated and organized, theoretical and methodological information on regional climate change and the associated environmental and socio-economic impacts on a regional scale. The most recent findings in the field of long-term climate change, which improve our understanding of the global climate puzzle, will be presented. Readers are introduced to state-of-the-art research in downscaling and GCMs, which involve the construction of reliable regional climate scenarios and the solution to key problems regarding the assessment of the impacts of climate change in the most important geographical areas of the world, from the Arctic to Antarctic regions, with special emphasis on the Northern Hemisphere.