The title of this book may be read in two ways. One is 'algebraic number-theory', that is, the theory of numbers viewed algebraically; the other, 'algebraic-number theory', the study of algebraic numbers. Both readings are compatible with our aims, and both are perhaps misleading. Misleading, because a proper coverage of either topic would require more space than is available, and demand more of the reader than we wish to; compatible, because our aim is to illustrate how some of the basic notions of the theory of algebraic numbers may be applied to problems in number theory. Algebra is an easy subject to compartmentalize, with topics such as 'groups', 'rings' or 'modules' being taught in comparative isolation. Many students view it this way. While it would be easy to exaggerate this tendency, it is not an especially desirable one. The leading mathematicians of the nineteenth and early twentieth centuries developed and used most of the basic results and techniques of linear algebra for perhaps a hundred years, without ever defining an abstract vector space: nor is there anything to suggest that they suf fered thereby. This historical fact may indicate that abstrac tion is not always as necessary as one commonly imagines; on the other hand the axiomatization of mathematics has led to enormous organizational and conceptual gains.

Algebraic number theory (Chapman and Hall Mathematics Series)

Science & Math

Ian-Stewart

David Tall

Mathematics

CHAPMAN AND HALL LTD

The rapid growth of interest in powders and their surface properties in many diverse industries prompted the writing of this book for those who have the need to make meaningful measurements without the benefit of years of experience. It is intended as an introduction to some of the elementary theory and experimental methods used to study the surface area, porosity and density of powders. It may be found useful by those with little or no training in solid surfaces who have the need to quickly learn the rudiments of surface area, density and pore-size measurements. Syosset, New York S. Lowell May, 1983 J. E. Shields Xl List of symbols Use of symbols for purposes other than those indicated in the following list are so defined in the text. Some symbols not shown in this list are defined in the text. d adsorbate cross-sectional area A area; condensation coefficient; collision frequency C BET constant c concentration D diameter; coefficient of thermal diffusion E adsorption potential f permeability aspect factor F flow rate; force; feed rate 9 gravitational constant G Gibbs free energy GS free surface energy h heat of immersion per unit area; height H enthalpy Hi heat of immersion Hsv heat of adsorption BET intercept; filament current k thermal conductivity; specific reaction rate K Harkins-Jura constant I length L heat of liquefaction M mass M molecular weight n number of moles N number of molecules; number of particles N Avagadro's number .

Powder Surface Area and Porosity

Lowell, S.

Shields, Joan E.

Widely regarded as the most authoritative and comprehensive book in its field, the fourth edition of Fundamentals of Rock Mechanics includes new and substantially updated chapters to this highly praised text.  Extensively updated throughout, this new edition contains substantially expanded chapters on poroelasticity, wave propogation, and subsurface stresses  Features entirely new chapters on rock fractures and micromechanical models of rock behaviour  Discusses fundamental concepts such as stress and strain  Offers a thorough introduction to the subject before expertly delving into a fundamental, self-contained discussion of specific topics  Unavailable for many years, now back by popular demand.    An Instructor manual CD-ROM for this title is available. Please contact our Higher Education team at HigherEducation@wiley.com for more information. Reviews: “With this attention to detail, and rigorous adherence to clarity and exactness in description, this edition will consolidate the standing achieved by the earlier editions as a most authoritative and comprehensive book in its field. It will continue to serve as a leading reference work for geoscientists interested in structural geology, tectonics and petrophysics as well as for civil, mining and petroleum engineers.” (Petroleum Geoscience) "...I consider this book to be an invaluable reference for studying and understanding the fundamental science at the base of rock mechanics. I believe this to be a must-have textbook and I strongly recommend it to anyone, student or professional, interested in the subject." (Rock Mechanics and Rock Engineering) "An excellent book, very well presented, and is a must for the shelves of serious engineers and scientists active or interested in the fields of rock mechanics and rock engineering.... Highly recommended." (South African Geographical Journal, 2008)

Fundamentals of Rock Mechanics

Business & Money

John Conrad Jaeger

Neville G W Cook

Investing

Moderate signs of wear and no markings inside. Minor cover or page curling. Textbooks may not include supplements like CDs, access codes Our shipping department handles orders in a timely manner.

Organic Chemistry (Ise) (4Ed)

Brown/Foote

Chemistry

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