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

Millimeter-Wave Astronomy: Molecular Chemistry & Physics in Space - Proceedings of the 1996 INAOE Summer School of... Millimeter-Wave Astronomy: Molecular Chemistry & Physics in Space - Proceedings of the 1996 INAOE Summer School of Millimeter-Wave Astronomy held at INAOE, Tonantzintla, Puebla, Mexico, 15-31 July 1996 (Hardcover, 1999 ed.)
W.F. Wall, Alberto Carraminana, Luis Carrasco, P.F. Goldsmith
R6,164 Discovery Miles 61 640 Ships in 10 - 15 working days

This book is one result from the 1996 Millimeter-wave Summer School held at the Instituto Nacional de Astrofisica, Optica y Electronica (INAOE), Tonantz- intla, Puebla, Mexico. In collaboration with the University of Massachusetts, INAOE has embarked upon the ambitious project of building the world's largest filled aperture millimeter-wave telescope - the Large Millimeter-wave Tele- scope (LMT), or Gran Telescopio Milimetrico (GTM). The LMT is currently the largest scientific project in Mexico. The summer school had a dual purpose; first, to introduce the Mexican as- tronomical and physics communities to millimeter wavelength astronomy, and second, to provide a forum for a review of several important aspects of the state of the art in observations, theory, interpretation, and technology relevant to this branch of astronomy. The summer school had 18 invited speakers and 44 par- ticipants. The scientific organizing committee (SOC) consisted of Luis Carrasco (UNAM/INAOE, Mexico), Paul Goldsmith (NAIC, Cornell Univ., USA), and Andy Harris (Univ. of Maryland, USA). Members of the local organizing com- mittee (LOC) were Alberto Carramiiiana (INAOE), Emmanuel Mendez Palma (INAOE), Mari Paz Miralles (Harvard-Smithsonian Center for Astrophysics, USA), and William Wall (INAOE).

Astrophysics in the Next Decade - The James Webb Space Telescope and Concurrent Facilities (Hardcover, 2009 ed.): Harley A.... Astrophysics in the Next Decade - The James Webb Space Telescope and Concurrent Facilities (Hardcover, 2009 ed.)
Harley A. Thronson, Massimo Stiavelli, Alexander Tielens
R8,906 Discovery Miles 89 060 Ships in 12 - 17 working days

Proceedings of the Astrophysics in the Next Decade: JWST and Concurrent Facilities conference.

This professional conference is the "must-attend" meeting to discuss the astrophysics to be enabled by JWST and concurrent facilities during the next decade. This meeting is designed to be of interest and value to the broad astronomical community, who will be preparing science investigations for these facilities.

This meeting, which is hosted by STScI and NASA/GSFC and sponsored by Northrop Grumman, will engage the broad science community in a discussion of science enabled by JWST and concurrent orbital and ground-based facilities. It will describe and stimulate work on the theoretical foundations for astrophysics in the next decade. During 2008, we will produce a reviewed and edited book containing a compilation of the talks and synopses of the discussion periods. We plan that this book will be written in a graduate level pedagogical fashion to yield a reference text of lasting value for astronomers who will be developing investigations for the JWST and other concurrent facilites.

Scientific Organising Committee:
Crystal Brogan, NRAO
Dale Cruikshank, NASA/ARC
Ewine van Dishoeck, Univ. Leiden
Alan Dressler (chair), Carnegie Obs.
Richard Ellis, Caltech
Rob Kennicutt, Cambridge Univ.
Rolf Kudritzki, Univ. Hawaii
Avi Loeb, Harvard
John Mather, NASA/HQ
Yvonne Pendleton, NASA/HQ
Massimo Stiavelli, (JWST SWG liason) STScI
Peter Stockman, (LOC liason) STScI
Leonardo Testi, Istituto Nazionale di Astrofisica (Arceti)
Xander Tielens, NASA/ARC
Meg Urry, Yale
Jeff Valenti, STScI

Harnessing Synthetic Nanotechnology-Based Methodologies for Sustainable Green Applications (Paperback): Gérrard Eddy Jai... Harnessing Synthetic Nanotechnology-Based Methodologies for Sustainable Green Applications (Paperback)
Gérrard Eddy Jai Poinern, Suraj Tripathy, Derek Fawcett
R2,595 Discovery Miles 25 950 Ships in 9 - 15 working days

Features • Presents an accessible introduction to the topic in addition to more advanced material for specialists in the field. • Covers a broad spectrum of topics this new field. • Contains exciting case studies and examples, such as quantum dots, bionanomaterials, and future perspectives.

Galaxies and Chaos (Hardcover): George Contopoulos, Nikos Voglis Galaxies and Chaos (Hardcover)
George Contopoulos, Nikos Voglis
R3,303 Discovery Miles 33 030 Ships in 10 - 15 working days

Galaxies and Chaos examines the application of tools developed for Nonlinear Dynamical Systems to Galactic Dynamics and Galaxy Formation, as well as to related issues in Celestial Mechanics. The contributions collected in this volume have emerged from selected presentations at a workshop on this topic and key chapters have been suitably expanded in order to be accessible to nonspecialist researchers and postgraduate students wishing to enter this exciting field of research.

Optical Imaging of Brain Function and Metabolism 2 - Physiological Basis and Comparison to Other Functional Neuroimaging... Optical Imaging of Brain Function and Metabolism 2 - Physiological Basis and Comparison to Other Functional Neuroimaging Methods (Hardcover)
Arno Villringer, Ulrich Dirnagl
R4,622 Discovery Miles 46 220 Ships in 10 - 15 working days

This volume covers the latest developments in optical imaging of the brain which is becoming an increasingly important functional neuroimaging method. Optical intrinsic signals offer unrivaled temporal and spatial resolution of functional measurements of the exposed brain cortex in animals and humans. Near-infrared spectroscopy and imaging ap proaches permit the noninvasive functional assessment of the human brain at bedside. Main advantages of these optical techniques are the biochemical specificity of the meas urements and the potential of measuring correlates of intracellular and intravascular oxy genation simultaneously. Recent data indicate that one may also measure a more direct correlate of neuronal activity associated with changes in light scattering. In this volume, recent technical progress of the optical method is covered as well as the physiological basis of the measurements. In simultaneous studies, near-infrared spec troscopy measurements are directly compared to other functional methods, especially PET and fMRI and examples are given for new applications of the NIRS-method. Based on re sults obtained with optical methods and other functional techniques the latest in our under standing of the coupling of neuronal activity and cerebral blood flow response is reviewed. This is an important basis for a better understanding of all functional neuroi maging methods which rely on neurovascular coupling such as PET, SPET and fMRI. Fi nally the optical method is put into the perspective of presently available functional neuroimaging methods including fMRI, PET, MEG and EEG."

China Satellite Navigation Conference (CSNC) 2015 Proceedings: Volume I (Hardcover, 2015 ed.): Jiadong Sun, Jingnan Liu, Shiwei... China Satellite Navigation Conference (CSNC) 2015 Proceedings: Volume I (Hardcover, 2015 ed.)
Jiadong Sun, Jingnan Liu, Shiwei Fan, Xiaochun Lu
R8,909 Discovery Miles 89 090 Ships in 10 - 15 working days

China Satellite Navigation Conference (CSNC) 2015 Proceedings presents selected research papers from CSNC2015, held during 13th-15th May in Xian, China. The theme of CSNC2015 is Opening-up, Connectivity and Win-win. These papers discuss the technologies and applications of the Global Navigation Satellite System (GNSS), and the latest progress made in the China BeiDou System (BDS) especially. They are divided into 10 topics to match the corresponding sessions in CSNC2015, which broadly covered key topics in GNSS. Readers can learn about the BDS and keep abreast of the latest advances in GNSS techniques and applications. SUN Jiadong is the Chief Designer of the Compass/ BDS, and the academician of Chinese Academy of Sciences (CAS); LIU Jingnan is a professor at Wuhan University. FAN Shiwei is a researcher at China Satellite Navigation Office; LU Xiaochun is an academician of Chinese Academy of Sciences (CAS).

Physics of Tsunamis (Hardcover, 2nd ed. 2016): Boris W. Levin, Mikhail Nosov Physics of Tsunamis (Hardcover, 2nd ed. 2016)
Boris W. Levin, Mikhail Nosov
R4,388 R3,806 Discovery Miles 38 060 Save R582 (13%) Ships in 12 - 17 working days

This second edition reflects significant progress in tsunami research, monitoring and mitigation within the last decade. Primarily meant to summarize the state-of-the-art knowledge on physics of tsunamis, it describes up-to-date models of tsunamis generated by a submarine earthquake, landslide, volcanic eruption, meteorite impact, and moving atmospheric pressure inhomogeneities. Models of tsunami propagation and run-up are also discussed. The book investigates methods of tsunami monitoring including coastal mareographs, deep-water pressure gauges, GPS buoys, satellite altimetry, the study of ionospheric disturbances caused by tsunamis and the study of paleotsunamis. Non-linear phenomena in tsunami source and manifestations of water compressibility are discussed in the context of their contribution to the wave amplitude and energy. The practical method of calculating the initial elevation on a water surface at a seismotectonic tsunami source is expounded. Potential and eddy traces of a tsunamigenic earthquake in the ocean are examined in terms of their applicability to tsunami warning. The first edition of this book was published in 2009. Since then, a few catastrophic events occurred, including the 2011 Tohoku tsunami, which is well known all over the world. The book is intended for researchers, students and specialists in oceanography, geophysics, seismology, hydro-acoustics, geology, and geomorphology, including the engineering and insurance industries.

Integrated Modeling of Telescopes (Hardcover, 2011): Torben Andersen, Anita Enmark Integrated Modeling of Telescopes (Hardcover, 2011)
Torben Andersen, Anita Enmark
R5,378 R4,730 Discovery Miles 47 300 Save R648 (12%) Ships in 12 - 17 working days

Ground- or space-based telescopes are becoming increasingly more complex and construction budgets are typically in the billion dollar range. Facing costs of this magnitude, availability of engineering tools for prediction of performance and design optimization is imperative. Establishment of simulation models combining different technical disciplines such as Structural Dynamics, Control Engineering, Optics and Thermal Engineering is indispensable. Such models are normally called Integrated Models because they involve many different disciplines. The models will play an increasingly larger role for design of future interdisciplinary optical systems in space or on ground. The book concentrates on integrated modeling of optical and radio telescopes but the techniques presented will be applicable to a large variety of systems. Hence, the book will be of interest to optical and radio telescope designers, designers of spacecrafts that include optical systems, and to designers of various complex defense systems. The book may also find use as a textbook for undergraduate and graduate courses within the field. "Adaptive Optics" is an exciting and relatively new field, originally dedicated to correction for blurring when imaging through the atmosphere. Although this objective is still of high importance, the concept of Adaptive Optics has recently evolved further. Today, the objective is not only to correct for atmospheric turbulence effects but also for a range of static and dynamical telescope aberrations. The notion of adaptive optics has expanded to the field of "Wavefront Control", correcting for a variety of system aberrations. Wavefront control systems maintain form and position of optical elements with high precision under static and dynamical load. In many ways, such systems replace the steel structures of traditional optical systems, thereby providing much lighter systems with a performance not possible before. Integrated Modeling is the foremost tool for studies of Wavefront Control for telescopes and complex optics and is therefore now of high importance. Springer has recently published two books on telescopes, "Reflecting Telescope Optics" by R. Wilson, and "The Design and Construction of Large Optical Telescopes" by P. Bely. Noting that a new (and expensive) generation of Extremely Large Telescopes with apertures in the 30-100 m range is on the way, the present book on integrated modeling is a good match to the existing books and an appropriate specialization and continuation of some subjects dealt with in those books.

NMR Spectroscopy for Probing Functional Dynamics at Biological Interfaces (Hardcover): Anirban Bhunia, Hanudatta S. Atreya,... NMR Spectroscopy for Probing Functional Dynamics at Biological Interfaces (Hardcover)
Anirban Bhunia, Hanudatta S. Atreya, Neeraj Sinha
R7,054 Discovery Miles 70 540 Ships in 10 - 15 working days

NMR spectroscopy has found a wide range of applications in life sciences over recent decades. Providing a comprehensive amalgamation of the scattered knowledge of how to apply high-resolution NMR techniques to biomolecular systems, this book will break down the conventional stereotypes in the use of NMR for structural studies. The major focus is on novel approaches in NMR which deal with the functional interface of either protein-protein interactions or protein-lipid interactions. Bridging the gaps between structural and functional studies, the Editors believe a thorough compilation of these studies will open an entirely new dimension of understanding of crucial functional motifs. This in turn will be helpful for future applications into drug design or better understanding of systems. The book will appeal to NMR practitioners in industry and academia who are looking for a comprehensive understanding of the possibilities of applying high-resolution NMR spectroscopic techniques in probing biomolecular interactions.

High-Energy Emission from Pulsars and their Systems - Proceedings of the First Session of the Sant Cugat Forum on Astrophysics... High-Energy Emission from Pulsars and their Systems - Proceedings of the First Session of the Sant Cugat Forum on Astrophysics (Hardcover, 2011 ed.)
Nanda Rea, Diego F. Torres
R8,887 Discovery Miles 88 870 Ships in 10 - 15 working days

The aim of the inaugural meeting of the Sant Cugat Forum on Astrophysics was to address, in a global context, the current understanding of and challenges in high-energy emissions from isolated and non-isolated neutron stars, and to confront the theoretical picture with observations of both the Fermi satellite and the currently operating ground-based Cherenkov telescopes. Participants have also discussed the prospects for possible observations with planned instruments across the multi-wavelength spectrum (e.g. SKA, LOFAR, E-VLT, IXO, CTA) and how they will impact our theoretical understanding of these systems.
In keeping with the goals of the Forum, this book not only represents the proceedings of the meeting, but also a reflection on the state-of-the-art in the topic.

The Earth's Free Oscillations - Formulation and Solution of the Fundamental Wave Equation of Nature (Hardcover, 1st ed.... The Earth's Free Oscillations - Formulation and Solution of the Fundamental Wave Equation of Nature (Hardcover, 1st ed. 2021)
Oleg V. Petrov
R3,538 Discovery Miles 35 380 Ships in 10 - 15 working days

This book presents the formulations and solutions of the wave equation for the Earth's free oscillations concerning the particular nodal, bifurcation, perspectival, and projective reference points within the framework of the three "great geometries" of Euclid, Lobachevsky, and Riemann. When studying the relationship between the propagation velocity of various types of bulk and surface seismic waves with radial, spheroidal, and torsional eigen oscillations of the Earth having corresponding periods, we are struck by the fundamental problem of obtaining reference points that allow physical meaning to be attributed to all these discrete oscillatory and continuous wave phenomena that occur in nature. Several unsuccessful attempts tried to unify the relationship of discrete oscillations and the velocity of waves and light occurring in seismology and other phenomena associated with gravity and matter, using a three-dimensional visual space-time model continuous Euclidean space. Using simple and illustrative examples for describing the free oscillations of the Earth and taking into account new visible event horizons related to the velocity of waves and light propagation, the author formulated and solved the fundamental wave equation of nature in the form of the three "great theorems": Galilean, Lorentz, and Poincare spatiotemporal transformations.

Neutron Stars: Theory and Observation (Hardcover, 1991 ed.): J. E. Ventura, David Pines Neutron Stars: Theory and Observation (Hardcover, 1991 ed.)
J. E. Ventura, David Pines
R9,915 R9,009 Discovery Miles 90 090 Save R906 (9%) Ships in 12 - 17 working days

Some twenty-three years after the discovery of pulsars and their identification as rotating neutron stars, neutron star physics may be regarded as comingofage. Pul sars and accreting neutron stars have now been studied at every wavelength, from the initial radio observations, through optical, X-, and "{-ray, up to the very recent observations in the TeV region, while theorists have studied in some detail relevant physical processes both outside and inside neutron stars. As a result, comparisonof theory with observation provides a test ofour theoretical ideas in fields as diverse as neutron and nuclear matter, superfluidity and superconductivity, the acceleration of high energy particles, and the generation and maintenance of intense magnetic fields. For example, through observations of glitches and post glitch behavior of pulsars, it has become possible to establish the presence ofsuperfluid neutron mat ter in the inner crust of neutron stars, and to determine some of its properties, while neutron stars in compact binary systems offer one ofthe most efficient energy generation mechanisms known. It is in fact the interactive interpretation of these, diverse pieces of information that can lead to major advances in our understanding of the physics of these exotic objects, and justifies the characterization of neutron stars as hadron physics laboratories."

Disease Dynamics (Hardcover, 1994 ed.): Alexander Asachenkov, Guri Marchuk, Ronald Mohler, Serge Zuev Disease Dynamics (Hardcover, 1994 ed.)
Alexander Asachenkov, Guri Marchuk, Ronald Mohler, Serge Zuev
R4,745 Discovery Miles 47 450 Ships in 12 - 17 working days

This text discusses mathematical modelling, analysis and control of the immune system and disease dynamics. The purpose of the book is the practical application of mathematics to immunology and medicine in order to establish a basis for more effective treatment, to provide a tutorial systematic description of how the immune system controls diseases and to present several significant examples such as malignant tumour dynamics and control, and viral hepatitis. The book is multidisciplinary in content, with the intended readers including biomathematicians, biologists and physicists. It combines immunological principles, mathematical models, computer simulations and methods of analysis.

Optical, Infrared and Radio Astronomy - From Techniques to Observation (Hardcover, 1st ed. 2017): Rosa Poggiani Optical, Infrared and Radio Astronomy - From Techniques to Observation (Hardcover, 1st ed. 2017)
Rosa Poggiani
R2,683 Discovery Miles 26 830 Ships in 12 - 17 working days

This textbook presents the established sciences of optical, infrared, and radio astronomy as distinct research areas, focusing on the science targets and the constraints that they place on instrumentation in the different domains. It aims to bridge the gap between specialized books and practical texts, presenting the state of the art in different techniques. For each type of astronomy, the discussion proceeds from the orders of magnitude for observable quantities that drive the building of instrumentation and the development of advanced techniques. The specific telescopes and detectors are then presented, together with the techniques used to measure fluxes and spectra. Finally, the instruments and their limits are discussed to assist readers in choice of setup, planning and execution of observations, and data reduction. The volume also includes worked examples and problem sets to improve student understanding; tables and figures in chapters su mmarize the state of the art of instrumentation and techniques.

Low-Dose Radiation Effects on Animals and Ecosystems (Hardcover): Manabu Fukumoto Low-Dose Radiation Effects on Animals and Ecosystems (Hardcover)
Manabu Fukumoto
R1,621 Discovery Miles 16 210 Ships in 10 - 15 working days
Astrophysics, Clocks and Fundamental Constants (Hardcover, 2004 ed.): Savely G. Karshenboim, Ekkehard Peik Astrophysics, Clocks and Fundamental Constants (Hardcover, 2004 ed.)
Savely G. Karshenboim, Ekkehard Peik
R3,088 Discovery Miles 30 880 Ships in 10 - 15 working days

The question of a possible temporal variation of the fundamental constants was raised by Paul Dirac in his "large number hypothesis" in 1937. Today it appears in the context of the search for a unified theory of the fundamental interactions. It touches both fundamental and applied physics, as the postulate of the unalterability of the constants is the foundation for modern metrology. The book presents reviews written by leading experts in the field. Focussing on the question of variations of the fundamental "constants" in time or space, the chapters cover the theoretical framework in which variations are expected and the search for variations of quantities like the fine-structure constant, the electron/proton mass ratio, g-factors of proton and neutron etc. in astrophysical and geophysical observations and in precision experiments with atomic clocks and frequency standards.

The Ringed Planet - Cassini's Voyage of Discovery at Saturn (Hardcover, 2nd Revised edition): Joshua Colwell The Ringed Planet - Cassini's Voyage of Discovery at Saturn (Hardcover, 2nd Revised edition)
Joshua Colwell
R1,582 Discovery Miles 15 820 Ships in 10 - 15 working days

On September 15, 2017, the Cassini spacecraft sent its final transmission to the Earth as it entered the atmosphere of Saturn, ending its historic 13 year mission at the ringed planet. This book is a beautifully illustrated journey of discovery through the Saturn system. Cassini's instruments have revealed never seen before details, including the only extraterrestrial lakes known in the solar system, and have provided unprecedented views of the rings, moons, and the planet itself. Results from Cassini's dramatic Grand Finale of ring-grazing and planet-skimming orbits are included in this expanded and updated second edition. Saturn is the jewel of the solar system. The Cassini spacecraft has been exploring the ringed planet and its moons and rings since 2004 and has helped us solve many of its mysteries while generating a wealth of new questions. Cassini has observed the bizarre mountains of Iapetus, the geysers of Enceladus, the lakes of Titan, and the dynamic and evolving rings. Along the way, this book explores and explains the fundamental processes that shape not just the Saturn system, but planets and moons in general. Written for the general audience with an emphasis on the fundamental physics of planetary systems, The Ringed Planet is a fascinating exploration of the Saturn system that places Saturn in the context of the solar system as a whole. Cassini's instruments have revealed Enceladus and Titan to have subsurface oceans of liquid water. Its cameras have returned stunning images of rings in turmoil, a tumbling moon, the only extraterrestrial lakes known in the solar system, a hexagon of clouds, some of the highest mountains in the solar system and much more. More than a journey of discovery at Saturn, The Ringed Planet is also an introduction to how planetary systems work.

Biophotons (Hardcover, 1998 ed.): Jiin-Ju Chang, Joachim Fisch, Fritz-Albert Popp Biophotons (Hardcover, 1998 ed.)
Jiin-Ju Chang, Joachim Fisch, Fritz-Albert Popp
R6,903 Discovery Miles 69 030 Ships in 10 - 15 working days

It is now well established that all living systems emit a weak but permanent photon flux in the visible and ultraviolet range. This biophoton emission is correlated with many, if not all, biological and physiological functions. There are indications of a hitherto-overlooked information channel within the living system. Biophotons may trigger chemical reactivity in cells, growth control, differentiation and intercellular communication, i.e. biological rhythms. The basic experimental and theoretical framework, the technical problems and the wide field of applications in the food industry, medicine, pharmacology, environmental science and basic sciences are presented in this book, which also includes the rapidly growing literature. This book is written by the most outstanding international scientists familiar with this topic who have been working in this field for many years.

The Water of the Jordan Valley - Scarcity and Deterioration of Groundwater and its Impact on the Regional Development... The Water of the Jordan Valley - Scarcity and Deterioration of Groundwater and its Impact on the Regional Development (Hardcover, 2009 ed.)
Heinz Hoetzl, Peter Moeller, Eliahu Rosenthal
R4,727 Discovery Miles 47 270 Ships in 12 - 17 working days

Natural saline water, waste water, and irrigation return flow endanger the groundwater aquifers in the Rift. In the long run this will ruin the socio-economic backbone of the settlements in the area. Sustainability of the water resources will only be achieved when the process of water replenishment and its underground flow is understood and water extraction is regionally controlled. Rare earth element and spider patterns are presented as new tools for studying the hydrology. Progress in 3-D modelling of groundwater flow proved successfully the impact of pumping on the surroundings of wells and overexploitation of aquifers.

Numerical Simulation of Viscous Shocked Accretion Flows Around Black Holes (Hardcover, 2015 ed.): Kinsuk Giri Numerical Simulation of Viscous Shocked Accretion Flows Around Black Holes (Hardcover, 2015 ed.)
Kinsuk Giri
R3,214 R1,936 Discovery Miles 19 360 Save R1,278 (40%) Ships in 12 - 17 working days

The work developed in this thesis addresses very important and relevant issues of accretion processes around black holes. Beginning by studying the time variation of the evolution of inviscid accretion discs around black holes and their properties, the author investigates the change of the pattern of the flows when the strength of the shear viscosity is varied and cooling is introduced. He succeeds to verify theoretical predictions of the so called Two Component Advective Flow (TCAF) solution of the accretion problem onto black holes through numerical simulations under different input parameters. TCAF solutions are found to be stable. And thus explanations of spectral and timing properties (including Quasi-Period Oscillations, QPOs) of galactic and extra-galactic black holes based on shocked TCAF models appear to have a firm foundation.

The Universe in Gamma Rays (Hardcover, 2001 ed.): Volker Schoenfelder The Universe in Gamma Rays (Hardcover, 2001 ed.)
Volker Schoenfelder
R3,108 Discovery Miles 31 080 Ships in 10 - 15 working days

Gamma-ray astronomy began in the mid-1960s with balloon satellite, and, at very high photon energies, also with ground-based instruments. However, the most significant progress was made in the last decade of the 20th century, when the tree satellite missions SIGMA, Compton, and Beppo-Sax gave a completely new picture of our Universe and made gamma-ray astronomy an integral part of astronomical research. This book, written by well-known experts, gives the first comprehensive presentation of this field of research, addressing both graduate students and researchers. Gamma-ray astronomy helps us to understand the most energetic processes and the most violent events in the Universe. After describing cosmic gamma-ray production and absorption, the instrumentation used in gamma-ray astronomy is explained. The main part of the book deals with astronomical results, including the somewhat surprising result that the gamma-ray sky is continuously changing.

Multi-Component Acoustic Characterization of Porous Media (Hardcover, 2013 ed.): Karel N. Van Dalen Multi-Component Acoustic Characterization of Porous Media (Hardcover, 2013 ed.)
Karel N. Van Dalen
R3,558 Discovery Miles 35 580 Ships in 12 - 17 working days

The feasibility to extract porous medium parameters from acoustic recordings is investigated. The thesis gives an excellent discussion of our basic understanding of different wave modes, using a full-waveform and multi-component approach. Focus lies on the dependency on porosity and permeability where especially the latter is difficult to estimate. In this thesis, this sensitivity is shown for interface-wave and reflected-wave modes. For each of the pseudo-Rayleigh and pseudo-Stoneley interface waves unique estimates for permeability and porosity can be obtained when impedance and attenuation are combined.
The pseudo-Stoneley wave is most sensitive to permeability: both the impedance and the attenuation are controlled by the fluid flow. Also from reflected-wave modes unique estimates for permeability and porosity can be obtained when the reflection coefficients of different reflected modes are combined. In this case the sensitivity to permeability is caused by subsurface heterogeneities generating mesoscopic fluid flow at seismic frequencies. The results of this thesis suggest that estimation of in-situ permeability is feasible, provided detection is carried out with multi-component measurements. The results of this thesis argely affect geotechnical and reservoir engineering practices.

Molecular Electronics - Materials and Methods (Hardcover, 1991 ed.): P.I. Lazarev Molecular Electronics - Materials and Methods (Hardcover, 1991 ed.)
P.I. Lazarev
R6,081 Discovery Miles 60 810 Ships in 10 - 15 working days
Global Dynamics of the Earth - Applications of Normal Mode Relaxation Theory to Solid-Earth Geophysics (Hardcover, 2004 ed.):... Global Dynamics of the Earth - Applications of Normal Mode Relaxation Theory to Solid-Earth Geophysics (Hardcover, 2004 ed.)
R. Sabadini, Bert Vermeersen
R3,082 Discovery Miles 30 820 Ships in 10 - 15 working days

This volume opens up new perspectives on the physics of the Earth's interior for graduate students and researchers working in the fields of geophysics and geodesy. It looks at our planet in an integrated fashion, linking the physics of its interior to the geophysical and geodetic techniques that record, over a broad spectrum of spatial wavelengths, the ongoing modifications in the shape and gravity field of the planet. Basic issues related to the rheological properties of the Earth's mantle and to its slow deformation will be understood, in both mathematical and physical terms, within the framework of an analytical normal mode relaxation theory. Fundamentals of this theory are developed in the first, tutorial part. The second part deals with a wide range of applications, ranging from changes in the Earth's rotation to post-seismic deformation and sea-level variations induced by post-glacial rebound. In the study of the physics of the Earth's interior, the book bridges the gap between seismology and geodynamics.

Highlights of Spanish Astrophysics II - Proceedings of the 4th Scientific Meeting of the Spanish Astronomical Society (SEA),... Highlights of Spanish Astrophysics II - Proceedings of the 4th Scientific Meeting of the Spanish Astronomical Society (SEA), held in Santiago de Compostela, Spain, September 11-14, 2000 (Hardcover, 2001 ed.)
Jaime Zamorano, Javier Gorgas, Jesus Gallego
R4,767 Discovery Miles 47 670 Ships in 12 - 17 working days

This volume contains the Proceedings of the Fourth Scientific Meeting of the Spanish Astronomical Society (Sociedad Espanola de Astronomfa, SEA). The meeting was held at the Universidade de Santiago de Compostela in Galicia from September 11 to 14, 2000. The event brought together 156 participants who pre- sented their latest results in many different subjects. In comparison with the previous scientific meetings of the Society, the numbers of oral talks and poster contributions (95 and 51, respectively) are rapidly increasing, confirming that the SEA conferences are becoming a point of reference to assess the interests and achievements of astrophysical research in Spain. During the meeting, the SEA made public the granting of the Prize to the Best Spanish Ph. D. Thesis in As- tronomy and Astrophysics for the period 1998-1999 to Dr. H. Socas. This is the first time that the SEA is awarding this prize, which aim is to encourage young spanish astrophysicists to pursue a high level scientific career. The Society is indebted to the Universidade de Santiago de Compostela, and, in particular, to the Observatorio Astronomico Ramon Marfa Aller, for its hospi- tality. The Local Organizing Committee took care of all the logistics details to ensure a nice stay for all the participants. The effort of the Scientific Organizing Committee was decisive in determining the organizational and scientific success of the meeting.

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