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Books > Science & Mathematics > Physics > Applied physics & special topics

Heterogeneous Ferroelectric Solid Solutions - Phases and Domain States (Hardcover, 2nd ed. 2018): Vitaly Yu. Topolov Heterogeneous Ferroelectric Solid Solutions - Phases and Domain States (Hardcover, 2nd ed. 2018)
Vitaly Yu. Topolov
R3,617 Discovery Miles 36 170 Ships in 10 - 15 working days

This book systematizes data on the heterophase states and their evolution in perovskite-type ferroelectric solid solutions. It also provides a general interpretation of heterophase and domain structures on changing temperature, composition or electric field, as well as the complete analysis of interconnections domain structures, unit-cell parameters changes, heterophase structures and stress relief. The description of numerous examples of heterophase states in lead-free ferroelectric solid solutions is also included. Domain state-interface diagrams contribute to the interpretation of heterophase states in perovskite-type ferroelectric solid solutions and describe the stress relief in the presence of polydomain phases, the behavior of unit-cell parameters of coexisting phases, the effect of external electric field etc. This 2nd edition generalizes the results on the heterophase ferroelectric solid solutions and the stress relief and presents new results on heterophase/domain structures and phase contents in lead-free ferroelectric solid solutions.

Biophysics Of The Skeletal Muscle Extracellular Potentials (Hardcover, 1992 ed.): Alexander Gydikov Biophysics Of The Skeletal Muscle Extracellular Potentials (Hardcover, 1992 ed.)
Alexander Gydikov
R4,511 Discovery Miles 45 110 Ships in 10 - 15 working days

The biophysics of excitable membranes and extracellular potential fields emerged at the end of the 18th century, together with electrophysiology, and has been used ever since as a basis for the development of electrophysiological investigations. This holds true even for the contemporary stage of initial discoveries concerning the molecular mechanisms of membrane excitability. The biophysics of ionic channels has gradually revealed the genesis of the ionic currents and of the biopotentials in different excitable structures. On the basis of electrodynamics, the extracellular potential fields in the living body, considered as a volume conductor, have been studied intensively. The knowledge accumulated constitutes the theoretical basis for interpretation of the electrophysiological data. Over a period of more than 15 years a group of Bulgarian investigators led by A. Gydikov has systematically studied the dependence between the intra- and extracellular potentials of the skeletal muscles. The present book summarizes these investigations. Using a great amount of factual material from experiments and model investigations on the skeletal muscle potentials, the author considers: (a) the extracellular potential field of single skeletal muscle fibres and their dependence of the parameters of intracellular action potentials, the geometric parameters of the fibres and of the volume conductor; (b) the potentials of single motor units; (c) the compound and reflex muscle potentials, and (d) the interference electromyogram. The comprehensive consideration of the biophysics of skeletal muscle potentials is of interest to a broad circle of specialists. The book summarizes contemporary knowledge in thisfield and presents a consistent theoretical basis of electromyography which is of great importance not only for the neurological clinic, but also for different fields of applied physiology.

The Earth's Heterogeneous Mantle - A Geophysical, Geodynamical, and Geochemical Perspective (Hardcover, 2015 ed.): Amir... The Earth's Heterogeneous Mantle - A Geophysical, Geodynamical, and Geochemical Perspective (Hardcover, 2015 ed.)
Amir Khan, Frederic DesChamps
R4,500 Discovery Miles 45 000 Ships in 10 - 15 working days

This book highlights and discusses recent developments that have contributed to an improved understanding of observed mantle heterogeneities and their relation to the thermo-chemical state of Earth's mantle, which ultimately holds the key to unlocking the secrets of the evolution of our planet. This series of topical reviews and original contributions address 4 themes. Theme 1 covers topics in geophysics, including global and regional seismic tomography, electrical conductivity and seismic imaging of mantle discontinuities and heterogeneities in the upper mantle, transition zone and lower mantle. Theme 2 addresses geochemical views of the mantle including lithospheric evolution from analysis of mantle xenoliths, composition of the deep Earth and the effect of water on subduction-zone processes. Theme 3 discusses geodynamical perspectives on the global thermo-chemical structure of the deep mantle. Theme 4 covers application of mineral physics data and phase equilibrium computations to infer the regional-scale thermo-chemical structure of the mantle.

Nonlinear Mathematical Physics and Natural Hazards - Selected Papers from the International School and Workshop held in Sofia,... Nonlinear Mathematical Physics and Natural Hazards - Selected Papers from the International School and Workshop held in Sofia, Bulgaria, 28 November - 02 December, 2013 (Hardcover, 2015 ed.)
Boyka Aneva, Mihaela Kouteva-Guentcheva
R2,877 Discovery Miles 28 770 Ships in 10 - 15 working days

This book is devoted to current advances in the field of nonlinear mathematical physics and modeling of critical phenomena that can lead to catastrophic events. Pursuing a multidisciplinary approach, it gathers the work of scientists who are developing mathematical and computational methods for the study and analysis of nonlinear phenomena and who are working actively to apply these tools and create conditions to mitigate and reduce the negative consequences of natural and socio-economic disaster risk. This book summarizes the contributions of the International School and Workshop on Nonlinear Mathematical Physics and Natural Hazards, organized within the framework of the South East Europe Network in Mathematical and Theoretical Physics (SEENET MTP) and supported by UNESCO. It was held at the Bulgarian Academy of Sciences from November 28 to December 2, 2013. The contributions are divided into two major parts in keeping with the scientific program of the meeting. Among the topics covered in Part I (Nonlinear Mathematical Physics towards Critical Phenomena) are predictions and correlations in self organized criticality, space-time structure of extreme current and activity events in exclusion processes, quantum spin chains and integrability of many-body systems, applications of discriminantly separable polynomials, MKdV-type equations, and chaotic behavior in Yang-Mills theories. Part II (Seismic Hazard and Risk) is devoted to probabilistic seismic hazard assessment, seismic risk mapping, seismic monitoring, networking and data processing in Europe, mainly in South-East Europe. The book aims to promote collaboration at the regional and European level to better understand and model phenomena that can cause natural and socio-economic disasters, and to contribute to the joint efforts to mitigate the negative consequence of natural disasters. This collection of papers reflects contemporary efforts on capacity building through developing skills, exchanging knowledge and practicing mathematical methods for modeling nonlinear phenomena, disaster risk preparedness and natural hazards mitigation. The target audience includes students and researchers in mathematical and theoretical physics, earth physics, applied physics, geophysics, seismology and earthquake danger and risk mitigation.

Particle Astrophysics and Cosmology - Proceedings of the NATO Advanced Study Institute, Erice, Italy, June 20-30, 1992... Particle Astrophysics and Cosmology - Proceedings of the NATO Advanced Study Institute, Erice, Italy, June 20-30, 1992 (Hardcover)
Maurice M. Shapiro, Etc, Rein Silberberg, John P. Wefel
R2,585 Discovery Miles 25 850 Ships in 12 - 19 working days

The symbiosis between particles physics and cosmology has virtually become a conjugal relationship. Hence the 9th Biennial Course of the International School of Cosmic-Ray Astrophysics was designed to bridge these formerly disparate disciplines. This NATO Advanced Study Institute took place at the Ettore Majorana Centre in Erice, Italy, June 20-30, 1992. Seventy participants from 17 countries participated in lively interactions and enjoyed the stimulating lectures that form the basis for this volume. The book includes current advances in both astrophysics (cosmic gamma ravs, X-rays, cosmic rays) and cosmology (an introduction to inflation in big-bang theory, the age of the universe, nucleosynthesis in the early universe). It is suitable for reading and study by all interested physical scientists, especially those having a limited specialized background in astrophysics and cosmology.

Long-Time Predictions in Dynamics - Proceedings of the NATO Advanced Study Institute held in Cortina d'Ampezzo, Italy,... Long-Time Predictions in Dynamics - Proceedings of the NATO Advanced Study Institute held in Cortina d'Ampezzo, Italy, August 3-16, 1975 (Hardcover, 1976 ed.)
V.G. Szebehely, B.D. Tapley
R4,568 Discovery Miles 45 680 Ships in 10 - 15 working days

This volume contains lectures given at the NATO Advanced Study Institute on Long-Time Predictions in Dynamics conducted in Cortina d'Ampezzo, Italy during August 3-16, 1975. The lectures were presented in groups, according to the original structure of the Institute. Under "Fundamentals" the general concepts were treated by Contopoulos, DeWitt, Reichl, Stiefel, Szebehely, Bartlett, Kirchgraber, Verhults and Sigrist. This was followed by the series of lectures on "Numerical and Statistical Analysis" offered by Aarseth, Baumgarte and Tapley. The third principal subject was "Three and Many-Body Problems" with Garfinkel, Broucke, Hadjidemetriou, Marchal, Nahon, Waldvogel, Lasco, and Markellos as the major speakers. The last group of lectures treated "Dynamics in Astronomy" by Colombo, Message, Ovenden, Vicente, and Douglas. Some of the outstanding lectures were rather didactic in nature or were published elsewhere or could not meet the deadline for publication. The Editors will be delighted to furnish leads to those interested in these lectures. Some of the lectures were presented in form of seminar-contributions. These are published as Summaries at the end of this Volume. The Institute was dedicated to the conceptual, analytical, numerical and applied aspects of the problem of long-time predic tion in dynamics. This fundamental problem emerged in all lectures: linearization, regularization, stabilization, averaging, estimation, periodic orbits, qualitative aspects, secular variations, resonance, invariants, etc. were some of the subjects treated in depth. Some conclusions are offered here with the utmost humility and with the advance acknowledgement of the fact that we all hear what we want to hear."

Structural Classification of Minerals - Volume 3: Minerals with ApBq...ExFy...nAq. General Chemical Formulas and Organic... Structural Classification of Minerals - Volume 3: Minerals with ApBq...ExFy...nAq. General Chemical Formulas and Organic Minerals (Hardcover, 2004 ed.)
J Lima-de-Faria
R2,889 Discovery Miles 28 890 Ships in 10 - 15 working days

This book presents the third volume of a complete development of the new structural classification of minerals, which is based on the internal crystal structure, and is therefore its natural classification. Because of the large domain of the mineral kingdom, this work is divided in three volumes, in which the minerals are ordered from the structurally simple to the more complex.

Audience: This work will be of particular interest to teachers and research workers of in mineralogy, and in inorganic crystal structures in academia.

Advanced Optical Methods for Brain Imaging (Hardcover, 1st ed. 2019): Fu-Jen Kao, Gerd Keiser, Ankur Gogoi Advanced Optical Methods for Brain Imaging (Hardcover, 1st ed. 2019)
Fu-Jen Kao, Gerd Keiser, Ankur Gogoi
R4,247 R3,678 Discovery Miles 36 780 Save R569 (13%) Ships in 12 - 19 working days

This book highlights the rapidly developing field of advanced optical methods for structural and functional brain imaging. As is known, the brain is the most poorly understood organ of a living body. It is indeed the most complex structure in the known universe and, thus, mapping of the brain has become one of the most exciting frontlines of contemporary research. Starting from the fundamentals of the brain, neurons and synapses, this book presents a streamlined and focused coverage of the core principles, theoretical and experimental approaches, and state-of-the-art applications of most of the currently used imaging methods in brain research. It presents contributions from international leaders on different photonics-based brain imaging modalities and techniques. Included are comprehensive descriptions of many of the technology driven spectacular advances made over the past few years that have allowed novel insights of the structural and functional details of neurons. The book is targeted at researchers, engineers and scientists who are working in the field of brain imaging, neuroscience and connectomics. Although this book is not intended to serve as a textbook, it will appeal to undergraduate students engaged in the specialization of brain imaging.

Physics of the Solar System - Dynamics and Evolution, Space Physics, and Spacetime Structure (Hardcover, New ed.): B. Bertotti,... Physics of the Solar System - Dynamics and Evolution, Space Physics, and Spacetime Structure (Hardcover, New ed.)
B. Bertotti, Paolo Farinella, David Vokrouhlicky
R2,661 Discovery Miles 26 610 Ships in 12 - 19 working days

This volume covers most areas in the physics of the solar system, with special emphasis on gravitational dynamics; its gist is the rational, in particular mathematical, understanding of the main processes at work. Special stress is given to the variety of objects in the planetary system and their long-term evolution. The unique character of this book is its breadth and depth, which aims at bringing the reader to the threshold of original research; however, special chapters and introductory sections are included for the benefit of the beginner.

Physics of the Solar System is based on the earlier work by B. Bertotti and P. Farinella: Physics of the Earth and the Solar System, which has been completely revised and updated, and more focused on the solar system. It generally attains a higher level than the previous version. This volume is generally suitable for post-graduate students and researchers in physics, especially in the field related to the solar system. A large amount of figures and diagrams is included, often compiled with real data.

Encyclopedia of Cosmology (Routledge Revivals) - Historical, Philosophical, and Scientific Foundations of Modern Cosmology... Encyclopedia of Cosmology (Routledge Revivals) - Historical, Philosophical, and Scientific Foundations of Modern Cosmology (Hardcover)
Norriss S. Hetherington
R8,900 Discovery Miles 89 000 Ships in 12 - 19 working days

The Encyclopedia of Cosmology, first published in 1993, recounts the history, philosophical assumptions, methodological ambiguities, and human struggles that have influenced the various responses to the basic questions of cosmology through the ages, as well as referencing important scientific theories. Just as the recognition of social conventions in other cultures can lead to a more productive perspective on our own behaviour, so too a study of the cosmologies of other times and places can enable us recognise elements of our own cosmology that might otherwise pass as inevitable developments. Apart from modern natural science, therefore, this volume incorporates brief treatments of Native American, Cave-Dweller, Chinese, Egyptian, Islamic, Megalithic, Mesopotamian, Greek, Medieval and Copernican cosmology, leading to an appreciation of cosmology as an intellectual creation, not merely a collection of facts. It is a valuable reference tool for any student or academic with an interest in the history of science and cosmology specifically.

A Brief History of Radio Astronomy in the USSR - A Collection of Scientific Essays (Hardcover, 2012 ed.): S. Y. Braude, B. A.... A Brief History of Radio Astronomy in the USSR - A Collection of Scientific Essays (Hardcover, 2012 ed.)
S. Y. Braude, B. A. Dubinskii, N. L. Kaidanovskii, N.S. Kardashev, M. M. Kobrin, …
R2,899 Discovery Miles 28 990 Ships in 10 - 15 working days

This translation of"A Brief History of Radio Astronomy in the USSR"makes descriptions of the antennas and instrumentation used in the USSR, the astronomical discoveries, as well as interesting personal backgrounds of many of the early key players in Soviet radio astronomy available in the English language for the first time. This book is a collection of memoirs recounting an interesting but largely still dark era of Soviet astronomy. The arrangement of the essays is determined primarily by the time when radio astronomy studies began at the institutions involved. These include the Lebedev Physical Institute (FIAN), Gorkii State University and the affiliated Physical-Technical Institute (GIFTI), Moscow State University Sternberg Astronomical institute (GAISH) and Space Research Institute (IKI), the Department of Radio Astronomy of the Main Astronomical Observatory in Pulkovo (GAO), Special Astrophysical Observatory (SAO), Byurakan Astrophysical Observatory (BAO), Crimean Astrophysical Observatory, Academy of Sciences of the Ukraine (SSR), Institute of Radio Physics and Electronics of the USSR Academy of Sciences (IRE), Institute of Terrestrial Magnetism, the Ionosphere and Radio-Wave Propagation Institute (IZMIRAN), Siberian Institute of Terrestrial Magnetism, the Ionosphere and Radio-Wave Propagation (SibIZMIRAN), the Radio Astrophysical Observatory of the Latvian Academy of Sciences and Leningrad State University.

"A Brief History of Radio Astronomy in the USSR"is a fascinating source of information on a past era of scientific culture and fields of research including the Soviet SETI activities. Anyone interested in the recent history of science will enjoy reading this volume.

"

Scientific Applications of Lunar Laser Ranging - Proceedings of a Symposium Held in Austin, Tex., U.S.A., 8 - 10 June, 1976... Scientific Applications of Lunar Laser Ranging - Proceedings of a Symposium Held in Austin, Tex., U.S.A., 8 - 10 June, 1976 (Hardcover, 1977 ed.)
J.D. Mulholland
R4,536 Discovery Miles 45 360 Ships in 10 - 15 working days

The progress of science during the past centuries has been in some measure energized by the development of new technologies. People are no more intelligent now than they were five centuries ago, or indeed five millenia ago. The differences are in the pool of past experience and the availability of means for manipulating the physical and mental environment. Until fairly recently, the development of new technologies in astronomy and geodesy has served primarily either to broaden the scope of phenomena that could be studied or to improve the precision with which one could examine already-studied phenomena. There seemed to be no likelihood that a situation could arise similar to that in particle physics, where the uncertainty principle indicates that the observation of the state of an object alters that state, affecting the observation. Indeed, we have not yet reached that point, but certain of the new techniques have introduced a degree of complication and inter dependence perhaps not previously encountered in the macro sciences. When observational capability is so fine that the data can be corrupted by the tidal motions of the instruments, for example, then there are a myriad of physical effects that must be considered in analyzing the data; the happy aspect of this is that the data can be used to study exactly these same effects. The complication does not, however, extend only to predictive computations against which the data are compared."

Frontiers in Biophotonics for Translational Medicine - In the Celebration of Year of Light (2015) (Hardcover, 1st ed. 2016):... Frontiers in Biophotonics for Translational Medicine - In the Celebration of Year of Light (2015) (Hardcover, 1st ed. 2016)
Malini Olivo, U. S. Dinish
R5,064 Discovery Miles 50 640 Ships in 12 - 19 working days

The present book provides recent developments in various in vivo imaging and sensing techniques such as photo acoustics (PA) imaging and microscopy, ultrasound-PA combined modalities, optical coherence tomography (OCT) and micro OCT, Raman and surface enhanced Raman scattering (SERS), Fluorescence lifetime imaging (FLI) techniques and nanoparticle enabled endoscopy etc. There is also a contributing chapter from leading medical instrumentation company on their view of optical imaging techniques in clinical laparoscopic surgery. The UN proclaimed 2015 as the International Year of Light and Light-based Technologies, emphasizing achievements in the optical sciences and their importance to human beings. In this context, this book focusses on the recent advances in biophotonics techniques primarily focused towards translational medicine contributed by thought leaders who have made cutting edge developments in various photonics techniques.

The Hot Universe - Proceedings of the 188th Symposium of the International Astronomical Union Held in Kyoto, Japan, August... The Hot Universe - Proceedings of the 188th Symposium of the International Astronomical Union Held in Kyoto, Japan, August 26-30, 1997 (Hardcover, 1998 ed.)
Katsuji Koyama, Shunji Kitamoto, Masayuki Itoh
R4,461 Discovery Miles 44 610 Ships in 10 - 15 working days

The present decade is opening new frontiers in high-energy astrophysics. After the X-ray satellites in the 1980's, including Einstein, Tenma, EXOSAT and Ginga, several satellites are, or will soon be, simultaneously in orbit offering spectacular advances in X-ray imaging at low energies (ROSATj Yohkoh) as well as at high energies (GRANAT), in spectroscopy with increased bandwidth (ASCAj SAX), and in timing (XTE). While these satellites allow us to study atomic radiation from hot plasmas or energetic electrons, other satellites study nuclear radiation at gamma-ray energies (CGRO) associated with radioactivity or spallation reactions. These experiments show that the whole universe is emitting radiation at high energies, hence we call it the "hot universe. " The hot universe, preferentially emitting X- and gamma-rays, provides us with many surprises and much information. A symposium "The Hot Universe" was held in conjunction with the XXIIIrd General Assembly of the International Astronomical Union, at Kyoto on August 26-30 in 1997. The proceedings are organized as follows. Synthetic view of "the hot universe" is discussed in Section 1, "Plasma and Fresh Nucleosynthesis Phenomena." Timely discussions on the strategy for future missions "Future Space Program" are found in Section 2. Then the contents are divided into two major subjects: the compact objects and thin hot diffuse plasmas. Section 3 is devoted to the category of compact objects which includes white dwarfs, neutron stars, and gravitationally collapsed objects: stellar mass black holes or active galactic nuclei.

Characterization Techniques of Glasses and Ceramics (Hardcover, 1999 ed.): Jesus Ma Rincon, Maximina Romero Characterization Techniques of Glasses and Ceramics (Hardcover, 1999 ed.)
Jesus Ma Rincon, Maximina Romero
R4,497 Discovery Miles 44 970 Ships in 10 - 15 working days

This monograph stems from the lectures given during the summer course at the University of La Laguna, Canary Islands, Spain. It includes the main characterization techniques useful nowadays for ceramics, glasses, and glass-ceramics, and reviews the new microscopes for characterizing materials, and gives an overview of inorganic materials such as zeolites. The theory for XRD texture analysis and analytical methods are also covered. The book is not only up to date on these techniques but also on applications to inorganic materials, both amorphous and crystalline, such as glasses, glass-ceramics, and ceramics.

The Light of the Night Sky (Hardcover, 1973 ed.): F. Roach The Light of the Night Sky (Hardcover, 1973 ed.)
F. Roach
R2,951 Discovery Miles 29 510 Ships in 10 - 15 working days
Molecular and Biological Physics of Living Systems (Hardcover, 1990 ed.): R.K. Mishra Molecular and Biological Physics of Living Systems (Hardcover, 1990 ed.)
R.K. Mishra
R4,526 Discovery Miles 45 260 Ships in 10 - 15 working days

The living organisms and systems possess extraordinary properties of programmed development, differentiation, growth, response, movement, duplication of key molecules and in m any cases higher mental functions. But the organisms are physical objects so they must follow laws of physics yet they do not seem to obey them. Physicists cannot easily persuade themselves to accept this as finally true. Non-living objects are governed by these laws of physics and they can explain these properties. However, in the living systems too phenomena encountered like coupled non-linear interactions, manybody effects, cooperativity, coherence, phase transitions, reversible metastable states are being understood better with the aid of powerful theoretical and experimental techniques and hope is raised that these may let us understand the mysteriousness of life. Contributors to this volume are a small fraction of rapidly growing scientific opinion that these aspects of living bodies are to be expected in a hitherto inadequately suspected state of matter which is in the main directed by these physical properties pushed almost to limit. This state of matter, the living matter, deserves to be called The Living State. Mishra proposes that given hydrogenic orbitals, atoms showing easy hybridisability and multiple valances, molecules with low-lying electronic levels, "loosestructure," and a metabolic pump in thermodynamically open system, various fundamental properties of living state can emerge automatically. Structurally these are all known to be present.

Observational and Theoretical Studies on Dwarf-nova Outbursts (Hardcover, 1st ed. 2020): Mariko Kimura Observational and Theoretical Studies on Dwarf-nova Outbursts (Hardcover, 1st ed. 2020)
Mariko Kimura
R2,880 Discovery Miles 28 800 Ships in 10 - 15 working days

Accretion disks are ubiquitous in our universe, and produce intense brightening. How does the gas in the disk lose its angular momentum to release massive amounts of gravitational energy? This is one of the biggest open questions in astronomy. This book studies four types of newly detected outbursts in dwarf novae through optical observations and/or numerical simulations and puts forward physical interpretations of these outbursts on the basis of the disk instability model, the most plausible model for dwarf-nova outbursts. It demonstrates that the disk-instability model can explain rich variety in dwarf-nova outbursts if some new aspects are taken into account (e.g. the extremely slow growth of tidal instability and thermal instability in the disk misaligned against the binary orbital plane). Moreover, it shares valuable insights on the evolution of binary systems by finding period bouncers and dwarf novae with F-type companion stars, which are rare objects.

Solar Neutrons and Related Phenomena (Hardcover, Edition.): Lev Dorman Solar Neutrons and Related Phenomena (Hardcover, Edition.)
Lev Dorman
R6,117 Discovery Miles 61 170 Ships in 10 - 15 working days

Short Historical Overview In the 1940s, two phenomena in the ?eld of cosmic rays (CR) forced scientists to think that the Sun is a powerful source of high-energy particles. One of these was discovered because of the daily solar variation of CR, which the maximum number of CR observed near noon (referring to the existence of continuous ?ux of CR from the direction of the Sun); this became the experimental basis of the theory that CR's originate from the Sun (or, for that matter, from within the solar system) (Alfven 1954). The second phenomenon was discovered when large ?uxes of high energy particles were detected from several solar ?ares, or solar CR. These are the - called ground level events (GLE), and were ?rst observed by ionization chambers shielded by 10 cm Pb (and detected mainly from the secondary muon-component CR that they caused) during the events of the 28th of February 1942, the 7th of March 1942, the 25th of July 1946, and the 19th of November 1949. The biggest such event was detected on the 23rd of February 1956 (see the detailed description in Chapters X and XI of Dorman, M1957). The ?rst phenomenon was investigated in detail in Dorman (M1957), by ?rst correcting experimental data on muon temperature effects and then by using coupling functions to determine the change in particle energy caused by the solar-diurnal CR variation."

Astrophysical Concepts (Hardcover, 4th ed. 2006): Martin Harwit Astrophysical Concepts (Hardcover, 4th ed. 2006)
Martin Harwit
R2,688 Discovery Miles 26 880 Ships in 12 - 19 working days

This classic text, aimed at senior undergraduates and beginning graduate students in physics and astronomy, presents a wide range of astrophysical concepts in sufficient depth to give the reader a quantitative understanding of the subject. Emphasizing physical concepts, the book outlines cosmic events, but does not portray them in detail - it provides a series of astrophysical sketches. For this third edition, nearly every part of the text has been reconsidered and rewritten; new sections have been added to cover recent developments, and most of the rest has been revised and brought up to date. The book begins with an outline of the scope of modern astrophysics and the elementary problems concerning the scale of cosmic objects and events. The basic physics needed to answer these questions is developed in the next chapters, using specific astronomical processes as examples. The second half of the book enlarges on the topics introduced at the beginning and shows how we can obtain quantitative insights into the structure and evolution of stars, the dynamics of cosmic gases, the large-scale behavior of the universe, and the origins of life. supernovae, comets, quasars) are mentioned throughout the text whenever the relevant physics is discussed rather than in individual sections. To compensate, there is an appendix that gives a brief background of astronomical concepts for students unfamiliar with astronomical terminology, as well as a comprehensive index. The extensive bibliography refers to other sources that treat individual topics in detail.

The Origin and Dynamics of Solar Magnetism (Hardcover, 2009 ed.): M.J. Thompson, A. Balogh, J.L. Culhane, A. Nordlund, S.K.... The Origin and Dynamics of Solar Magnetism (Hardcover, 2009 ed.)
M.J. Thompson, A. Balogh, J.L. Culhane, A. Nordlund, S.K. Solanki, …
R2,945 Discovery Miles 29 450 Ships in 10 - 15 working days

Starting in 1995 numerical modeling of the Earth's dynamo has ourished with remarkable success. Direct numerical simulation of convection-driven MHD- ow in a rotating spherical shell show magnetic elds that resemble the geomagnetic eld in many respects: they are dominated by the axial dipole of approximately the right strength, they show spatial power spectra similar to that of Earth, and the magnetic eld morphology and the temporal var- tion of the eld resembles that of the geomagnetic eld (Christensen and Wicht 2007). Some models show stochastic dipole reversals whose details agree with what has been inferred from paleomagnetic data (Glatzmaier and Roberts 1995; Kutzner and Christensen 2002; Wicht 2005). While these models represent direct numerical simulations of the fundamental MHD equations without parameterized induction effects, they do not match actual pla- tary conditions in a number of respects. Speci cally, they rotate too slowly, are much less turbulent, and use a viscosity and thermal diffusivity that is far too large in comparison to magnetic diffusivity. Because of these discrepancies, the success of geodynamo models may seem surprising. In order to better understand the extent to which the models are applicable to planetary dynamos, scaling laws that relate basic properties of the dynamo to the fundamental control parameters play an important role. In recent years rst attempts have been made to derive such scaling laws from a set of numerical simulations that span the accessible parameter space (Christensen and Tilgner 2004; Christensen and Aubert 2006).

Exercises in Physical Geology - Pearson New International Edition (Paperback, 12th edition): W.Kenneth Hamblin, James Howard Exercises in Physical Geology - Pearson New International Edition (Paperback, 12th edition)
W.Kenneth Hamblin, James Howard
R2,569 Discovery Miles 25 690 Ships in 12 - 19 working days

For lab courses in Physical Geology. A top-seller for over 35 years with over one million copies sold, this lab manual represents by far the best collection of photos of rocks and minerals-and one of the best compilations of exercises-available. With exercises using maps, aerial photos, satellite imagery, and other materials, this classic manual encompasses all the major geologic processes as well as the identification of rocks and minerals. All changes in the Twelfth Edition are based on reviewer feedback.

Tapping Into the Total Power of the Universe - Time and Gravity Control Technologies for the 21st Century and Beyond... Tapping Into the Total Power of the Universe - Time and Gravity Control Technologies for the 21st Century and Beyond (Hardcover)
Paul W Lander
R821 R761 Discovery Miles 7 610 Save R60 (7%) Ships in 10 - 15 working days
The Physics of Cerebrovascular Diseases - Biophysical Mechanisms of Development, Diagnosis and Therapy (Hardcover, 1998 ed.):... The Physics of Cerebrovascular Diseases - Biophysical Mechanisms of Development, Diagnosis and Therapy (Hardcover, 1998 ed.)
George J Hademenos; Foreword by F. Vinuela; Tarik F. Massoud
R1,594 Discovery Miles 15 940 Ships in 10 - 15 working days

A review of our current understanding of the physical phenomena associated with the flow of blood through the brain, applying these concepts to the physiological and medical aspects of cerebrovascular disease so as to be useful to both the scientist and the clinician. Specifically the book discusses the physical bases for the development of cerebrovascular disease and for its clinical consequences; specific current and possible future therapies; experimental, clinical, and computational techniques used to investigate cerebrovascular disease; blood dynamics and its role; imaging methods used in the diagnosis and management of cerebrovascular disease. Intended as a one- or two-semester course in biophysics, biomedical engineering or medical physics, this is also of interest to medical students and interns in neurology and cardiology, and provides a useful overview of current practice for researchers and clinicians.

Light Scattering Reviews 5 - Single Light Scattering and Radiative Transfer (Hardcover, 2010 ed.): Alexander A. Kokhanovsky Light Scattering Reviews 5 - Single Light Scattering and Radiative Transfer (Hardcover, 2010 ed.)
Alexander A. Kokhanovsky
R5,735 Discovery Miles 57 350 Ships in 10 - 15 working days

Light scattering by densely packed inhomogeneous media is a particularly ch- lenging optics problem. In most cases, only approximate methods are used for the calculations. However, in the case where only a small number of macroscopic sc- tering particles are in contact (clusters or aggregates) it is possible to obtain exact results solving Maxwell's equations. Simulations are possible, however, only for a relativelysmallnumberofparticles,especiallyiftheirsizesarelargerthanthewa- length of incident light. The ?rst review chapter in PartI of this volume, prepared by Yasuhiko Okada, presents modern numerical techniques used for the simulation of optical characteristics of densely packed groups of spherical particles. In this case, Mie theory cannot provide accurate results because particles are located in the near ?eld of each other and strongly interact. As a matter of fact, Maxwell's equations must be solved not for each particle separately but for the ensemble as a whole in this case. The author describes techniques for the generation of shapes of aggregates. The orientation averaging is performed by a numerical integration with respect to Euler angles. The numerical aspects of various techniques such as the T-matrix method, discrete dipole approximation, the ?nite di?erence time domain method, e?ective medium theory, and generalized multi-particle Mie so- tion are presented. Recent advances in numerical techniques such as the grouping and adding method and also numerical orientation averaging using a Monte Carlo method are discussed in great depth.

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