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Operators and Nucleus

Operators and Nucleus
Author: Pieter A. M. Seuren
Publisher: Cambridge University Press
Total Pages: 250
Release: 2010-06-03
Genre: Language Arts & Disciplines
ISBN: 9780521148207

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Dr Seuren's study deals with the problem of presenting an adequate model of grammatical description. The model he proposes conforms in its main outlines to the transformational generative grammar established by Chomsky, but differs in important respects. These mainly affect that part of Chomsky's syntactic component known as the 'base', which generates basic or 'deep' structures. In the model of the base proposed here two main constituents are distinguished for every deep structure representation of a sentence, vis-a-vis the operators and the nucleus. The deep structure of a sentence is thus seen to be very similar to the logical structure of a proposition. The arguments given in support of this analysis are based on mainly on considerations of simplicity and semantic adequacy.


Operators and Nucleus

Operators and Nucleus
Author: Pieter Albertus Maria Seuren
Publisher:
Total Pages: 252
Release: 1969
Genre: English language
ISBN:

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Lectures on the Theory of the Nucleus

Lectures on the Theory of the Nucleus
Author: A. G. Sitenko
Publisher: Elsevier
Total Pages: 317
Release: 2014-06-28
Genre: Science
ISBN: 1483295419

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Provides an advanced and up-to-date account of the theory of nuclear structure and discusses in considerable detail both the superfluid and collective models of the nucleus, in addition to earlier complementary models and theories. The book also examines other important topics such as the rotational and vibrational spectra of nuclei which have not previously been treated in such depth. To summarize, it covers a large amount of theoretical ground in one volume and attempts to fill a serious gap in the literature. Many problems are included


Theory of Nucleus

Theory of Nucleus
Author: A. Sitenko
Publisher: Springer Science & Business Media
Total Pages: 630
Release: 2012-12-06
Genre: Science
ISBN: 9401157723

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Modern nuclear physics is a well developed branch of physical science, with wide-ranging applications of its results in engineering and industry. At the same time, the development of a consistent theory of nuclei and nuclear processes presents certain problems. It is well known that the most important aim of nuclear physics is the study of nuclear structure and the explanation of properties on the basis of the interaction between nucleons which constitute nuclei. Difficulties of a modern theory of the nucleus are caused by both an insufficient knowledge of nuclear interactions and the multi particle character of nuclear systems. Experimental data on nuclear interactions do not contradict the hypothesis of the pair character of nuclear forces. However, the absence of rigorous meth ods of calculations of many particle nuclear systems with strong interaction makes it necessary to use macroscopic nuclear models to describe particular nuclear properties. Nuclear models have been developed in different ways, and the models themselves have been modified and complicated. In spite of the visible discrepancy, different models of the nucleus significantly supple ment one another. The development of nuclear models has led to considerable progress in the understanding of atomic nuclei. The current results of theo retical nuclear physics are reported in numerous scientific papers. The most important and relevant experimental and theoretical results can be found in many monographs, the best of which are written by well-known experts in the field.


The Nucleus

The Nucleus
Author: F.D. Smit
Publisher: Springer Science & Business Media
Total Pages: 500
Release: 2012-12-06
Genre: Science
ISBN: 146154257X

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The articles in this book cover a broad range of topics in the field of nuclear physics, including many articles on the subject of high spin physics. With an emphasis on the discussion and analysis of future developments within a number of significant areas, the book's attempt to address the status of research at the beginning of the next century is to be welcomed by researchers and students alike.


Energy From The Nucleus: The Science And Engineering Of Fission And Fusion

Energy From The Nucleus: The Science And Engineering Of Fission And Fusion
Author: Gerard M Crawley
Publisher: World Scientific
Total Pages: 264
Release: 2016-08-11
Genre: Technology & Engineering
ISBN: 9814689211

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Nuclear energy is important both as a very large energy resource and as a source of carbon free energy. However incidents such as the Fukashima Daiichi nuclear disaster (2011), the Chernobyl disaster (1986), and the Three Mile Island accident (1979) have cast doubts on the future of nuclear fission as a major player in the future energy mix. This volume provides an excellent overview of the current situation regarding nuclear fission as well as a description of the enormous potential advantages offered by nuclear fusion including an essentially unlimited fuel supply with minimal environmental impact.Energy from the Nucleus focuses on the two main approaches to producing energy from the nucleus: fission and fusion. The chapters on nuclear fission cover the status of current and future generations of reactors as well as new safety requirements and the environmental impact of electricity production from nuclear fission. The chapters on nuclear fusion discuss both inertial confinement fusion and magnetic confinement fusion, including the new international fusion test facility, ITER. The expertise of the authors, who are active participants in the respective technologies, ensures that the information provided is both reliable and current. Their views will no doubt enlighten our understanding of the future of energy from the nucleus.


Nuclear Science Abstracts

Nuclear Science Abstracts
Author:
Publisher:
Total Pages: 964
Release: 1976
Genre: Nuclear energy
ISBN:

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Nuclear Spin Relaxation in Liquids

Nuclear Spin Relaxation in Liquids
Author: Jozef Kowalewski
Publisher: CRC Press
Total Pages: 372
Release: 2017-12-14
Genre: Science
ISBN: 1351264591

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Nuclear magnetic resonance (NMR) is widely used across many fields of science because of the rich data it produces, and some of the most valuable data come from studies of nuclear spin relaxation in solution. The first edition of this book, published more than a decade ago, provided an accessible and cohesive treatment of the field. The present second edition is a significant update, covering important new developments in recent years. Collecting relaxation theory, experimental techniques, and illustrative applications into a single volume, this book clarifies the nature of the phenomenon, shows how to study it and explains why such studies are worthwhile. Coverage ranges from basic to rigorous theory and from simple to sophisticated experimental methods. Topics include cross-relaxation, multispin phenomena, relaxation studies of molecular dynamics and structure and special topics such as relaxation in systems with quadrupolar nuclei, in paramagnetic systems and in long-living spin states. Avoiding overly demanding mathematics, the authors explain spin relaxation in a manner that anyone with a familiarity with NMR can follow. The focus is on illustrating and explaining the physical nature of relaxation phenomena. Nuclear Spin Relaxation in Liquids: Theory, Experiments and Applications, 2nd edition, provides useful supplementary reading for graduate students and is a valuable reference for NMR spectroscopists, whether in chemistry, physics or biochemistry.


Proceedings of the Highly Specialized Seminar on Symmetries in Nuclear Structure

Proceedings of the Highly Specialized Seminar on Symmetries in Nuclear Structure
Author: Andrea Vitturi
Publisher: World Scientific
Total Pages: 495
Release: 2004
Genre: Science
ISBN: 9812388125

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The Highly Specialized Seminar on ?Symmetries in Nuclear Structure?, held in Erice, Italy, in March 2003, celebrated the career and the remarkable achievements of Francesco Iachello, on the occasion of his 60th birthday. Since the development of the interacting boson model in the early 1970s, the ideas of Iachello have provided a variety of frameworks for understanding collective behaviour in nuclear structure, founded on the concepts of dynamical symmetries and spectrum-generating algebras. The original ideas, which were developed for the description of atomic nuclei, have now been successfully extended to cover spectroscopic behaviour in other fields, such as molecular or hadronic spectra. More recently, the suggestion by Iachello of critical point symmetries to treat nuclei in shape/phase transitional regions has opened an exciting new front for both theoreticians and experimentalists.The talks presented at the meeting covered many of the most active forefront areas of nuclear structure as well as other fields where ideas of symmetries are being explored. Topics in nuclear structure included extensive discussions on dynamical symmetries, critical point symmetries, phase transitions, statistical properties of nuclei, supersymmetry, mixed symmetry states, shears bands, pairing and clustering in nuclei, shape coexistence, exotic nuclei, dipole modes, and astrophysics, among others. In addition, important sessions focused on talks by European laboratory directors (or their representatives) outlining prospects for nuclear structure, and the application of symmetry ideas to molecular phenomena. Finally, a special lecture by Nobel laureate Alex Mueller, on s and d wave symmetry in superconductors, presented a unique insight into an allied field.The proceedings have been selected for coverage in: ? Index to Scientific & Technical Proceedings? (ISTP? / ISI Proceedings)? Index to Scientific & Technical Proceedings (ISTP CDROM version / ISI Proceedings)? CC Proceedings ? Engineering & Physical Sciences