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  • 1
    Online Resource
    Online Resource
    Cambridge :Cambridge University Press,
    Keywords: Paleomagnetism--Quaternary. ; Electronic books.
    Description / Table of Contents: This volume presents an account of the uses of magnetic measurements in the environmental geosciences. It focuses on the Quaternary geological period and reviews the application of magnetic studies to climatic and environmental problems. The book is aimed at research scientists, graduates and advanced undergraduates.
    Type of Medium: Online Resource
    Pages: 1 online resource (404 pages)
    Edition: 1st ed.
    ISBN: 9781139145824
    DDC: 538.727
    Language: English
    Note: Cover -- Half-title -- Title -- Copyright -- Contents -- Contributors -- Preface -- 1- Introduction -- Evolution of Quaternary climate -- Magnetic contributors to sediments, soils, dusts and organic tissues -- A tool kit for the environmental magnetist -- Magnetic parameters -- Instrumentation -- Measurement techniques -- Magnetic units -- Magnetic properties of natural crystals -- Magnetic discrimination -- Magnetic modelling -- Magnetic investigations in Quaternary contexts -- References -- 2- The North Atlantic as a Quaternary magnetic archive -- Introduction -- Magnetism and climate in the North Atlantic -- Heinrich layers -- Mechanisms for generating Heinrich events -- The relationship between Heinrich layers and climate -- Heinrich layers and sediment sources -- Magnetic signatures of Heinrich layers -- Proximal sedimentation: the magnetic signature of Heinrich layers from the Labrador Sea -- Geographic variation in magnetic properties and the signature of Heinrich events -- Conclusions -- References -- 3- Palaeomonsoons I: the magnetic record of palaeoclimate in the terrestrial loess and palaeosol sequences -- Introduction -- The East Asian summer and winter monsoons -- Sources of the loess? -- Chronology of the Chinese loess and soil sequences -- The magnetic properties of the Chinese loess-soil sequences -- Morphology and source of the loess/soil magnetic minerals. -- The present day connection between climate and soil magnetism -- Palaeoclimate from palaeosusceptibility -- Soil chronofunctions -- Palaeoclimate reconstructions -- Other approaches to palaeoclimatic reconstruction from the Chinese loess and soils. -- Alternative views -- Magnetism-palaeosol relationships in other parts of the world -- Future prospects -- Acknowledgements -- References. , 4- Palaeomonsoons II: magnetic records of aeolian dust in Quaternary sediments of the Indian Ocean -- Introduction -- Palaeowinds from dust records in deep-sea sediments -- Central North Atlantic -- Aeolian flux to the north-west and central Pacific -- Magnetic susceptibility as a record of aeolian dust in Indian Ocean sediments -- Paramagnetic/diamagnetic contributions to magnetic susceptibility -- Zone 1 (0-1.7 m) -- Zone 2 (1.7 m-~7 m) -- Zone 3 (7-10.5 m) -- Zone 4 (10.5-~22 m) -- Zone 5 (~22-90 m) -- Magnetic mineralogy from magnetic extracts -- Mineralogy of the magnetic extracts -- Magnetic mineralogy of magnetic zones 1-5 -- Source of the paramagnetic susceptibility signal -- Source of the Owen Ridge magnetic susceptibility signal -- Summary -- Future prospects -- Acknowledgements -- References -- 5- Bacterial magnetite and the Quaternary climate record -- Introduction -- Ecology and physiology of magnetogenic bacteria -- Magnetotactic bacteria -- Dissimilatory iron-reducing bacteria -- Ecology -- Identification of bacterial magnetosomes in Quaternary sediments and soils -- Magnetic identification -- Identification of bacterial magnetite by microscopy -- Bacterial magnetite in Quaternary sediments -- Marine sediments -- Conclusions: bacterial magnetite and the Quaternary climate record -- References -- 6- Incidence and significance of magnetic iron sulphides in Quaternary sediments and soils -- Introduction -- The structural properties of the iron-sulphide system -- Physical structures and low temperature phase fields -- Magnetic properties of the ferrimagnetic iron sulphides -- Greigite -- Monoclinic pyrrhotite -- Occurrences of ferrimagnetic iron sulphides in freshwater sediments and terrestrial environments -- Palaeosalinity in the Baltic -- Iron sulphides in marine sediments. , Chemical remanent magnetizations carried by iron sulphides: magnetostratigraphic conundrums -- Self-reversal of iron sulphides -- The future -- Methods -- Summary -- Acknowledgements -- References -- 7- Holocene environmental change from magnetic proxies in lake sediments -- Introduction -- Lough Neagh revisited -- Sources of magnetic minerals in lake sediments -- Holocene susceptibility trends -- Long term decreasing or stationary trend -- Long term increasing trend -- Recent records -- Detrital records -- Dilution effects -- Particle-size -- Sediment sources -- Mixing models -- Core correlation and sediment loads -- Magnetic properties as records of diagenesis or authigenesis. -- Magnetic proxies of climate change through glacial-interglacial cycles -- Records of atmospheric deposition -- Fire histories and tephra deposits -- Pollution records -- Final comments -- Acknowledgements -- References -- 8- Magnetic monitoring of air-, land- and water-pollution -- Introduction -- Atmospheric pollutants -- Heavy metals in fly-ashes -- Magnetic minerals associated with atmospheric particulates -- Magnetic properties of coal-fired airborne particles -- Magnetic minerals, heavy metals and road traffic -- Magnetic airborne particles and identification of pollution sources -- Occupational exposure -- Magnetic mapping of atmospheric deposition of pollution -- Soil magnetometry and anthropogenic pollution -- Magnetic measurements on miscellaneous carriers of airborne particles -- Magnetic properties and pollution of fluvial and marine sediments -- Miscellaneous ('non-industrial pollution') -- Extraterrestrial versus volcanic magnetite -- Eolian sedimentation and iron contribution to aerosols -- Coupling between magnetic minerals and heavy metals -- Conclusions -- Acknowledgements -- References. , 9- Environmental factors affecting geomagnetic field palaeointensity estimates from sediments -- Introduction -- Sediment palaeointensity normalization techniques -- Holocene palaeointensity estimates -- Late Pleistocene palaeointensity estimates -- Brunhes palaeointensity estimates -- Discussion -- Conclusions -- References -- 10- Magnetic cyclostratigraphy: high-resolution dating in and beyond the Quaternary and analysis of periodic changes in… -- Introduction -- Orbital cycles and astronomical time-scales -- The orbital cycles -- A breakthrough in geological dating: astronomical time-scales for the late Neogene -- Cyclicity and diagenesis within the marine sedimentary environment -- Cyclic variations in diagenetic conditions -- Sapropels -- Bed-to-bed, marine-continental correlations -- The early Pliocene Ptolemais formation -- Synthesis: conclusions and outlook -- Acknowledgements -- References -- Index.
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  • 2
    Online Resource
    Online Resource
    Cambridge :Cambridge University Press,
    Keywords: Human evolution. ; Electronic books.
    Description / Table of Contents: If the earliest human ancestors grew more like apes than like humans today, when, how and why did our modern growth patterns evolve? This book focuses on species within the genus Homo to investigate the evolutionary origins of characteristic human patterns and rates of craniofacial and postcranial growth and development.
    Type of Medium: Online Resource
    Pages: 1 online resource (471 pages)
    Edition: 1st ed.
    ISBN: 9780511206399
    Series Statement: Cambridge Studies in Biological and Evolutionary Anthropology Series ; v.Series Number 37
    DDC: 599.93/8
    Language: English
    Note: Cover -- Half-title -- Series-title -- Title -- Copyright -- Contents -- Contributors -- Acknowledgments -- 1 Introduction -- Background -- Rationale for (and layout of) this volume -- References -- Part I Setting the stage: What do we know about human growth and development? -- 2 The human pattern of growth and development in paleontological perspective -- Introduction -- A brief history of auxological paleontology -- A synthesis of ideas -- Why did childhood and adolescence evolve? -- Why childhood? -- Why adolescence and the adolescent growth? -- Why do girls have adolescence? -- Why do boys have adolescence? -- Girls and boys - two paths through adolescence -- The shape of things to come -- References -- 3 Postnatal ontogeny of facial position in Homo sapiens and Pan troglodytes -- Introduction -- Anatomical model -- Materials and methods -- Samples -- Measurements -- Geometric morphometric analyses -- Hypotheses -- Results -- SDM analyses -- GDM analyses -- Summary of results -- H1: Anterior cranial base length -- H2: Middle cranial fossa length -- H3: Midfacial length -- H4: Posterior cranial base length -- H5: Upper facial length -- H6: Lower facial length -- Discussion -- Conclusions -- Acknowledgments -- References -- 4 Variation in modern human dental development -- Introduction -- Methods -- Recording dental formation -- Growth statistics -- Stages of dental development -- Results -- Timing of eruption -- Stages of eruption -- Tooth formation -- Conclusions -- Acknowledgments -- References -- 5 Developmental variation in the facial skeleton of anatomically modern Homo sapiens -- Introduction -- Morphological differences in the form of the craniofacial skeleton in adult modern humans: An overview -- General principles of growth in the craniofacial skeleton -- Comparative growth of the hard tissues - geometric morphometrics. , Background to the study -- Materials -- Methods -- Results -- Differences in facial shape irrespective of maturation -- Differences in ontogenetic shape trajectories -- Discussion -- Conclusions -- Acknowledgments -- References -- 6 Linear growth variation in the archaeological record -- Introduction -- Material and methods -- Reference sample -- Archaeological samples -- Estimation of age at death -- Results -- North Africa and Western Asia -- Asia -- Europe/European origin -- North America -- Discussion -- Conclusion -- Acknowledgments -- References -- 7 Hominid growth and development: The modern context -- Introduction -- Modern human pattern of growth and development -- Definition of pattern of growth and development -- Life stages -- Life history -- Causes of within-species variation -- Evidence for modern human growth as presented in this volume -- Conclusions -- References -- Part II The first steps: From australopithecines to Middle Pleistocene Homo -- 8 Reconstructing australopithecine growth and development: What do we think we know? -- Introduction -- Background -- Chronology and timing of australopithecine dental development -- Patterns of australopithecine dental development -- Growth and development of the australopithecine face -- Summary and discussion -- Acknowledgments -- References -- 9 Growth and life history in Homo erectus -- Introduction -- Theoretical context -- Heterochrony -- Temporal patterning of growth and the human growth spurt -- Materials and methods -- Materials -- Allometric heterochronic analyses -- Growth spurt analyses -- Methods -- Heterochronic analyses -- Growth spurt analyses -- Results -- Heterochrony -- Size and shape dissociation -- Growth through time and growth spurts -- Discussion -- Heterochrony, size, and shape -- Growth through time and adolescent growth spurts -- Conclusions -- Acknowledgments. , References -- 10 Patterns of dental development in Lower and Middle Pleistocene hominins from Atapuerca (Spain) -- Introduction -- Dental development and life history -- Time and timing: Two different approaches -- Materials: The Atapuerca hominins -- Methods -- Results -- Discussion -- Conclusions -- Acknowledgments -- References -- 11 Hominid growth and development from australopithecines to Middle Pleistocene Homo -- Introduction -- Homo habilis -- Dental remains -- Cranial and mandibular remains -- Postcranial remains -- Life-history issues -- Homo erectus -- Dental remains -- Cranial and mandibular remains -- Postcranial remains -- Adolescent growth spurt? -- Life-history issues -- Homo antecessor and Homo heidelbergensis -- Dental remains -- Cranial and mandibular remains -- Postcranial remains -- Life-history issues -- Summary -- References -- Part III The last steps: The approach to modern humans -- 12 Diagnosing heterochronic perturbations in the craniofacial evolution of Homo (Neandertals and modern humans) and… -- Introduction -- Materials and methods -- Samples -- Aging methods -- Modeling growth -- HETPAD analysis -- Results -- Discussion -- Conclusion -- Acknowledgments -- References -- 13 Shape and growth differences between Neandertals and modern humans: Grounds for a species-level distinction? -- Introduction -- Taxonomic hypothesis -- Materials -- Landmarks -- Euclidean distance matrix analysis -- EDMA shape difference comparisons -- EDMA growth difference comparisons -- Results -- EDMA shape difference comparisons -- EDMA growth difference comparisons -- Discussion -- Future work -- Acknowledgments -- References -- 14 Ontogenetic patterning and phylogenetic significance of mental foramen number and position in the evolution of Upper… -- Introduction -- Materials -- Recent specimens -- Fossil specimens -- Methods -- Results. , Mental foramen position relative to the tooth row -- Number of mental foramina -- Growth in anterior alveolar arch length -- Growth in anterior alveolar arch breadth -- Discussion -- Summary and conclusions -- Acknowledgments -- References -- 15 A new approach to the quantitative analysis of postcranial growth in Neandertals and modern humans: Evidence from the… -- Introduction -- Materials -- Methods -- Results -- Ilium -- Pubis -- Ischium -- Discussion -- Conclusions -- Acknowledgments -- References -- 16 Ontogenetic variation in the Dederiyeh Neandertal infants: Postcranial evidence -- Introduction -- Materials -- Dederiyeh 1 and 2 -- Comparative specimens -- Methods -- Aging -- Measurements and analyses -- Results -- Length and circumference -- Cross-sectional geometric properties -- Difference between Dederiyeh 1 and Dederiyeh 2 -- Discussion -- Sample size as a comparative unit -- Comparison of growth patterns -- Uncertainty of age estimation -- Issues in the study of growth of postcranial bones -- Conclusion -- Acknowledgments -- References -- 17 Hominid growth and development in Upper Pleistocene Homo -- Introduction -- Models of evolutionary change -- Morphological studies -- The postcranium: Limb length and circumference -- Considerations -- The postcranium: Pelvic dimensions -- Considerations -- The skull: The mandible -- Considerations -- The skull: The craniofacial complex -- Considerations -- Summary -- Interpretive differences -- Methodological factors -- Conceptual factors -- Genetics or behavior? -- Paradigm -- Paradigms and the origins of the modern human pattern of growth and development -- Discussion -- References -- 18 Conclusions: Putting it all together -- Introduction -- What is the modern human pattern of growth and development and when did it appear? -- Growth in brain size/body size -- Development. , The origin of modern humans -- Variability -- Conclusions -- References -- Index.
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  • 3
    Online Resource
    Online Resource
    Cambridge :Cambridge University Press,
    Keywords: Fluid dynamics. ; Electronic books.
    Description / Table of Contents: A comprehensive overview of the state of knowledge in stellar astrophysical fluid dynamics. Topics include properties of pulsating stars, helioseismology, convection and mixing in stellar interiors, dynamics of stellar rotation, planet formation and the generation of stellar and planetary magnetic fields.
    Type of Medium: Online Resource
    Pages: 1 online resource (430 pages)
    Edition: 1st ed.
    ISBN: 9781139148559
    DDC: 523.8
    Language: English
    Note: Cover -- Half-title -- Title -- Copyright -- Contents -- Preface -- 1 A selective overview -- 1.1 Introduction -- 1.2 On taking mixing-length theory seriously -- 1.3 The solar spoon -- 1.4 Deep roots of solar cycles -- 1.5 Helioseismology: oscillations as a diagnostic of the solar interior -- 1.6 Inverting helioseismic data -- 1.7 On the detection of subphotospheric convective velocities and temperature fluctuations -- 1.8 Prospects for asteroseismic inference -- References -- I Stellar convection and oscillations -- 2 On the diversity of stellar pulsations -- 2.1 Introduction -- 2.2 Types of stellar pulsation -- 2.2.1 Giant-type pulsators -- 2.3 Dwarf-type pulsators -- 2.4 Inference from linear theory -- 2.5 Saturation of the linear instability -- 2.6 Amplitude limitation by resonances -- 2.6.1 The 2:1 resonance -- 2.6.2 Parametric resonance and dwarf and giant dichotomy -- 2.6.3 Higher-order parametric resonance and the Blazkho effect -- 2.7 Final remarks -- References -- 3 Acoustic radiation and mode excitation by turbulent convection -- 3.1 Introduction -- 3.2 Linear damping rates, Gamma -- 3.3 Stochastic excitation -- 3.4 Acoustic radiation in the equilibrium model -- References -- 4 Understanding roAp stars -- 4.1 Introduction -- 4.2 Magnetic field versus convection -- 4.3 Mode excitation and eigenfrequencies -- 4.3.1 Excitation -- 4.3.2 Effect on the power spectrum -- 4.4 Theoretical instability strip -- 4.5 roAp stars versus noAp stars -- 4.5.1 noAp stars: are they stable against high frequency pulsations? -- 4.5.2 noAp stars: why would we fail to observe their oscillations? -- 4.6 Conclusions -- References -- 5 Waves in the magnetised solar atmosphere -- 5.1 Introduction -- 5.2 Description of the models -- 5.3 Network and internetwork oscillations -- 5.3.1 Internetwork oscillations -- 5.3.2 Waves in a network element. , 5.4 Waves in a weak flux-tube -- 5.5 Conclusions -- References -- II Stellar rotation and magnetic fields -- 6 Stellar rotation: a historical survey -- Prologue -- 6.1 Radiative zones: the Eddington-Vogt-Sweet theory -- 6.2 Comparison with geophysical theory -- 6.3 Steady circulation and the mixing problem -- 6.4 The angular momentum distribution in a radiative zone -- 6.4.1 Magnetic radiative zones -- 6.4.2 Non-magnetic radiative zones -- 6.5 Rotating convective zones -- 6.6 The solar tachocline -- References -- 7 The oscillations of rapidly rotating stars -- 7.1 A short introduction to rapidly rotating stars -- 7.2 Perturbative versus non-perturbative methods -- 7.3 The part played by the Coriolis acceleration -- 7.4 The part played by centrifugal acceleration -- 7.5 Conclusions -- References -- 8 Solar tachocline dynamics: eddy viscosity, anti-friction, or something in between? -- 8.1 Introduction -- 8.2 Long-range and short-range momentum transport -- 8.3 Potential vorticity -- 8.4 A glimpse of the Earth's stratosphere -- 8.5 Turbulence requires waves -- 8.6 Concluding remarks -- References -- 9 Dynamics of the solar tachocline -- 9.1 Introduction -- 9.2 One half of the problem: shear propagation into a rotating stratified fluid -- 9.2.1 Slow rotating case… -- 9.2.3 Solar rotation rate -- 9.2.4 Discussion -- 9.3 The other half of the problem: nonlinear interaction between a large-scale field and flows in a rotating sphere -- 9.4 Conclusion -- References -- 10 Dynamo processes: the interaction of turbulence and magnetic fields -- 10.1 Scales for solar magnetic fields -- 10.2 Field structure in kinematic dynamos at large R -- 10.3 Dynamical equilibration of small-scale dynamos -- 10.4 Growth and equilibration of mean fields -- 10.5 Conclusion -- References -- 11 Dynamos in planets -- 11.1 Introduction -- 11.2 Planetary magnetic fields. , 11.3 Convective driving and thermal history -- 11.4 Physical nature of convective dynamo solutions -- 11.5 Dynamical regimes in planetary cores -- 11.6 Conclusions -- References -- III Physics and structure of stellar interiors -- 12 Solar constraints on the equation of state -- 12.1 Introduction -- 12.2 Equation of state issues -- 12.2.1 Coulomb correction -- 12.2.2 Relativistic electrons -- 12.2.3 Effect of excited states in hydrogen and helium -- 12.2.4 Heavy elements -- 12.3 Resolution power of helioseismology -- 12.4 Conclusions -- References -- 13 He transport and the solar neutrino problem -- 13.1 Introduction -- 13.2 Neutrinos and the neutrino problem -- 13.3 Cumming and Haxton's model -- 13.4 Modelling the flow -- 13.5 The equations -- 13.6 Results -- 13.7 Conclusions -- References -- 14 Mixing in stellar radiation zones -- 14.1 The observational evidence -- 14.2 Possible causes of mixing -- 14.2.1 Convective overshoot and penetration -- 14.2.2 Meridional circulation -- 14.2.3 Turbulence caused by differential rotation -- 14.2.3.1 Turbulence produced by the vertical shear -- 14.2.3.2 Turbulence produced by the horizontal shear -- 14.3 Rotational mixing -- 14.3.1 Rotational mixing of type I -- 14.3.2 Rotational mixing of type II -- 14.3.3 Tachocline mixing -- 14.4 Open questions -- 14.4.1 Does turbulence caused by a horizontal shear act to reduce that shear? -- 14.4.2 How does a poloidal field avoid imprinting the differential rotation of the convection zone into the radiation zone? -- 14.4.3 Can waves extract angular momentum from the solar interior? -- References -- 15 Element settling and rotation-induced mixing in slowly rotating stars -- 15.1 Introduction -- 15.2 Element settling in stellar radiative zones -- 15.2.1 The solar case -- 15.2.2 The lithium plateau in halo stars. , 15.3 Rotation-induced mixing in the presence of gravitationally-induced Mu-gradients -- 15.3.1 Computations of Omega and Mu-currents -- 15.3.2 Self-regulating process -- 15.4 Conclusion -- References -- IV Helio-and asteroseismology -- 16 Solar structure and the neutrino problem -- 16.1 Historical review: the solar neutrino problem -- 16.2 Historical review: helioseismology -- 16.3 Neutrino oscillation: MSW effect -- 16.4 SNO and Super-Kamiokande -- 16.5 Recipe for construction of an evolutionary solar model -- 16.6 Recipe for construction of a seismic solar model -- 16.7 Seismic solar model and the neutrino flux estimate -- 16.8 Future prospects -- References -- 17 Helioseismic data analysis -- 17.1 Introduction -- 17.2 Background -- 17.3 Instruments -- 17.3.1 GONG -- 17.3.2 MDI -- 17.3.3 Other projects -- 17.4 Normal mode analysis -- 17.4.1 Time series generation -- 17.4.2 Peakbagging -- 17.4.2.1 The MDI algorithm -- 17.4.2.2 The GONG algorithm -- 17.4.2.3 Ridge fitting -- 17.4.3 Analysis problems -- 17.4.3.1 Bad physics and parameters -- 17.4.3.2 Instrumental problems -- 17.4.3.3 Algorithm problems -- 17.4.3.4 Problems of unknown source -- 17.4.4 Results -- 17.5 Supergranulation studies -- 17.6 Conclusion and future prospects -- References -- 18 Seismology of solar rotation -- 18.1 Introduction -- 18.2 Helioseismic measurement of solar internal rotation -- 18.3 Inversion for internal rotation -- 18.4 Solar internal rotation observed by helioseismology -- 18.4.1 Observational data -- 18.4.2 How to tackle 2-dimensional (2D) inversions -- 18.4.3 What we have learned -- 18.5 Rotation in the the solar convection zone -- 18.6 Line-blending problem -- 18.7 Summary -- References -- 19 Telechronohelioseismology -- 19.1 Introduction -- 19.2 Observational and Theoretical Principles -- 19.3 Current Inferences -- 19.3.1 Large-scale flows and solar activity. , 19.3.2 Developing active regions -- 19.3.3 Structure and dynamics of sunspots -- 19.3.4 Far-side imaging -- 19.4 Conclusion -- References -- V Large-scale numerical experiments -- 20 Bridges between helioseismology and models of convection zone dynamics -- 20.1 Introduction -- 20.2 Differential rotation: tachocline and near-surface shear -- 20.3 Solar dynamo: ordered and chaotic emergence of flux -- 20.4 Tachocline: boundary layer of strong shear -- 20.5 Contact with 3-D simulations of turbulent convection -- 20.6 Near-surface shear layer and solar subsurface weather -- 20.7 Origin of near-surface shear layer -- 20.8 Reflections -- References -- 21 Numerical simulations of the solar convection zone -- 21.1 Introduction -- 21.2 DNS results -- 21.3 VLES results -- 21.4 Conclusion -- References -- 22 Modelling solar and stellar magnetoconvection -- 22.1 Introduction -- 22.2 Compressible magnetoconvection -- 22.3 Flux separation -- 22.4 Small-scale dynamo action -- 22.5 Conclusion -- References -- 23 Nonlinear magnetoconvection in the presence of a strong oblique field -- 23.1 Introduction -- 23.2 Reduced PDE description for Ma… -- 23.2.1 Computational and Theoretical Advantages -- 23.3 Exact Single-Mode Solutions -- 23.4 Results -- 23.5 Conclusion -- References -- 24 Simulations of astrophysical fluids -- 24.1 Introduction -- 24.2 Radio relics -- 24.2.1 Conclusion -- 24.3 Radio galaxies -- References -- VI Dynamics -- 25 A magic electromagnetic field -- 25.1 The electromagnetic field -- 25.2 The connection to Kerr's metric and the electron -- 25.3 Separability of motion in the field -- 25.4 Eulogy -- References -- 26 Continuum equations for stellar dynamics -- 26.1 A kinetic equation -- 26.2 The collision term -- 26.3 Fluid equations -- 26.4 The Jeans instability -- 26.5 Conclusion -- References -- 27 Formation of planetary systems -- 27.1 Observations. , 27.2 Grain condensation and growth.
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  • 4
    Online Resource
    Online Resource
    Cambridge :Cambridge University Press,
    Keywords: Stars -- Formation. ; Electronic books.
    Description / Table of Contents: Guiding the reader through all the stages that lead to the formation of a star such as our Sun, this advanced textbook provides students with a complete overview of star formation. This unique, self-contained text combines theory with observation, and is ideal for students and professional researchers alike.
    Type of Medium: Online Resource
    Pages: 1 online resource (230 pages)
    Edition: 1st ed.
    ISBN: 9780511858345
    DDC: 523.88
    Language: English
    Note: Cover -- Half-title -- Title -- Copyright -- Dedication -- Contents -- Illustrations -- Preface -- Chapter 1 Introduction -- 1.1 About this book -- 1.2 The stellar life-cycle -- 1.3 The space between the stars -- 1.4 The distribution of the stars -- 1.5 The magnetic field -- 1.6 Star formation in a galactic context -- 1.7 Known sites of contemporary star formation -- 1.8 The initial mass function -- 1.9 Objectives of star-formation theory -- Recommended further reading -- Chapter 2 Probing star formation -- 2.1 Introduction -- 2.2 Properties of photons -- 2.3 Intensity -- 2.4 Flux -- 2.5 Radiant energy density -- 2.6 Continuum radiation - studying the dust -- 2.7 Radiative transfer -- 2.8 Calculating the dust mass -- 2.9 Line radiation - studying the gas -- 2.9.1 Population transfer -- 2.9.2 Population distributions -- 2.9.3 The Einstein relations between coefficients -- 2.9.4 Emission and absorption coefficients -- Recommended further reading -- Chapter 3 The ISM - the beginnings of star formation -- 3.1 Introduction -- 3.2 The 21-cm line of atomic hydrogen -- 3.2.1 21-cm energy levels -- 3.2.2 21-cm level populations -- 3.2.3 Radiative transfer in the 21-cm line -- 3.2.4 The 21-cm line in absorption -- 3.2.5 The 21-cm line in emission -- 3.3 Molecular gas -- 3.3.1 The problems of detecting H2 -- 3.3.2 Using CO to trace H2 -- 3.3.3 The CO to H2 conversion factor -- 3.4 Line shapes and the motion of the gas -- 3.4.1 Line broadening -- 3.4.2 The Doppler effect -- 3.4.3 Convolving line profiles -- 3.5 Absorption lines - searchlights through the ISM -- 3.5.1 Selection effects -- 3.5.2 Circumstellar and interstellar lines -- 3.5.3 Equivalent width of a line -- 3.6 The curve of growth -- 3.6.1 Low optical depth -- 3.6.2 Intermediate optical depth -- 3.6.3 High optical depth -- 3.7 The use of absorption lines -- Recommended further reading. , Chapter 4 Molecular clouds - the sites of star formation -- 4.1 The equation of state -- 4.1.1 The ideal gas approximation -- 4.1.2 Adiabatic equation of state -- 4.2 Fluid mechanics of molecular clouds -- 4.2.1 The continuity equation -- 4.2.2 The equation of motion under pressure -- 4.2.3 Fluid motion under gravity -- 4.3 Gravitational instability -- 4.3.1 Uniform density medium -- 4.3.2 The Jeans mass -- 4.3.3 Structure in molecular clouds -- 4.4 The virial theorem -- 4.4.1 Cloud stability -- 4.4.2 The virial mass -- 4.4.3 Theoretical core life-times -- 4.5 Observations of molecular clouds -- 4.5.1 Larson's scaling relations -- 4.5.2 Cloud life-times from observations -- 4.5.3 Are cores in free-fall collapse? -- 4.6 Turbulence in molecular clouds -- 4.6.1 Non-thermal linewidths -- 4.6.2 Intermittency -- 4.6.3 Turbulent cascades -- 4.6.4 Fractal structure -- 4.6.5 Very small-scale structure -- 4.6.6 Shock fronts -- 4.7 Magnetic fields in molecular clouds -- 4.8 Chemistry in molecular clouds -- 4.8.1 Gas-phase chemistry -- 4.8.2 Grain surface chemistry -- 4.8.3 Carbon chemistry -- 4.8.4 Chemistry and star formation -- Recommended further reading -- Chapter 5 Fragmentation and collapse - the road to star formation -- 5.1 The road to star formation -- 5.2 Theoretical collapse solutions -- 5.3 The minimum mass of a star -- 5.3.1 Hierarchical fragmentation -- 5.3.2 Contraction of a marginally unstable fragment -- 5.3.3 The compressional heating rate -- 5.3.4 Radiative cooling rate -- 5.3.5 Condition for isothermality to be maintained -- 5.3.6 The minimum mass -- 5.4 Effects of the magnetic field -- 5.4.1 Ion-neutral drift -- 5.4.2 Ambipolar diffusion -- 5.4.3 Decrease of magnetic flux with time -- 5.4.4 The angular momentum problem -- 5.4.5 Magnetic braking of rotating clouds -- 5.5 Observations of the initial conditions of collapse. , 5.5.1 Starless and pre-stellar cores -- 5.5.2 Physical properties of pre-stellar cores -- 5.6 Pre-stellar cores and the IMF -- 5.7 Binary and multiple star formation -- Recommended further reading -- Chapter 6 Young stars, protostars and accretion - building a typical star -- 6.1 Pre-main-sequence evolution -- 6.1.1 Isothermal collapse -- 6.1.2 Radiative interior -- 6.1.3 Protostars and PMS stars -- 6.2 Hayashi tracks -- 6.2.1 Quasi-static contraction -- 6.2.2 The stellar atmosphere -- 6.2.3 The transition point -- 6.2.4 The convective interior -- 6.2.5 The surface temperature -- 6.3 Henyey tracks -- 6.3.1 Radiative equilibrium -- 6.3.2 The surface temperature -- 6.3.3 Very massive stars -- 6.3.4 The Kelvin-Helmholtz contraction time-scale -- 6.4 Accretion onto protostars -- 6.4.1 Spherically symmetric accretion -- 6.4.2 Bondi accretion -- 6.4.3 Variation of flow speed with radius -- 6.4.4 The sonic point -- 6.4.5 Physically acceptable solutions -- 6.4.6 The supersonic solution -- 6.5 Observations of protostars - the birth line -- 6.6 Millimetre-wave continuum observations -- 6.7 Millimetre-wave spectroscopy -- 6.8 Infrared and optical observations -- Recommended further reading -- Chapter 7 The formation of high-mass starsstars, and their surroundings -- 7.1 Introduction -- 7.2 The main stages of high-mass star formation -- 7.2.1 Infrared-dark clouds -- 7.2.2 Hot cores -- 7.2.3 HII regions -- 7.3 Building a high-mass star -- 7.3.1 Accretion vs radiation pressure -- 7.3.2 Reversing the accretion -- 7.3.3 Pre-main-sequence evolution with accretion -- 7.4 Line radiation from HII regions -- 7.4.1 Recombination cascades -- 7.4.2 Nomenclature -- 7.5 Recombination rate and emission measure -- 7.6 Free-free radio continuum emission -- 7.7 Size of an HII region - Strmgren radius -- 7.8 Ionisation fronts -- 7.9 Expansion of an HII region. , 7.9.1 Initial static ionisation phase -- 7.9.2 The dynamical expansion phase -- 7.9.3 The asymptotic state -- 7.9.4 The swept-up neutral gas at the boundaryof an HII region -- Recommended further reading -- Chapter 8 By-products and consequences of star formation -- 8.1 Introduction -- 8.2 Circumstellar discs -- 8.2.1 A model accretion disc -- 8.2.2 Temperature profile -- 8.2.3 Flared discs -- 8.3 Bipolar outflows -- 8.4 Disc fragmentation -- 8.5 Planet formation -- 8.5.1 Formation of planetesimals -- 8.5.2 Planetesimal growth -- 8.5.3 Giant planets -- 8.6 Brown dwarf stars -- 8.6.1 Brown dwarfs and planets -- 8.6.2 The brown dwarf desert -- 8.6.3 Possible formation mechanisms of brown dwarfs -- 8.7 Galaxy formation -- 8.7.1 Stars -- 8.7.2 Interstellar gas -- 8.7.3 Ellipticals versus spirals -- 8.7.4 Spiral structure in disc galaxies -- 8.8 Starburst galaxies -- 8.9 The epoch of star formation -- Recommended further reading -- List of mathematical symbols -- List of figure credits -- Abbreviations -- Chapter 1 -- Chapter 2 -- Chapter 3 -- Chapter 4 -- Chapter 5 -- Chapter 6 -- Chapter 7 -- Chapter 8 -- Index.
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  • 5
    Online Resource
    Online Resource
    Cambridge :Cambridge University Press,
    Keywords: Chemistry. ; Electronic books.
    Description / Table of Contents: Writing in a popular and well illustrated style, leading young scientists describe their research and give their visions of future developments in Chemistry and Life Science. The book conveys their excitement and enthusiasm and offers definitive reviews for anyone with a general interest in science.
    Type of Medium: Online Resource
    Pages: 1 online resource (209 pages)
    Edition: 1st ed.
    ISBN: 9780511156762
    DDC: 540
    Language: English
    Note: Cover -- Half-title -- Title -- Copyright -- Contents -- Preface -- 1 Laser snapshots of molecular motions -- 1.1 Introduction -- 1.2 The interaction of intense femtosecond laser light with molecules -- 1.3 Femtosecond lasers -- 1.4 Femtosecond spectroscopy of molecular dynamics -- 1.4.1 Ultrafast molecular fragmentation -- 1.4.2 Ultrafast molecular collisions -- 1.4.3 Many-body effects on ultrafast dynamics -- 1.5 What else and what next? A speculative prognosis -- 1.5.1 Attosecond laser pulses -- 1.5.2 Coherent control of molecular dynamics -- 1.6 Further reading -- 2 Enzymology takes a quantum leap forward -- 2.1 Introduction -- 2.2 Enzyme catalysis in the classical world -- 2.3 A role for protein dynamics in classical transfers -- 2.4 Wave-particle duality and the concept of tunnelling -- 2.5 Electron tunnelling in proteins -- 2.6 Transition state theory and corrections for hydrogen tunnelling -- 2.7 Hydrogen tunnelling driven by protein dynamics -- 2.8 Experimental demonstration of vibration-driven tunnelling -- 2.9 Significance of hydrogen tunnelling in enzymes -- 2.10 Enzymology in the future -- 2.11 Further reading -- 3 World champion chemists: people versus computers -- 3.1 Further reading -- 4 Chemistry on the inside: green chemistry in mesoporous materials -- 4.1 Green chemistry -- 4.2 New mesoporous materials -- 4.3 Applications -- 4.4 Future prospects -- 4.5 Further reading -- 5 Diamond thin films: a twenty-first century material -- 5.1 The diamond in history -- 5.2 Chemical vapour deposition -- 5.3 Methods for production of CVD diamond -- 5.4 The chemistry of CVD diamond growth -- 5.5 The substrate material -- 5.6 Nucleation -- 5.7 The CVD diamond film -- 5.8 Applications -- 5.8.1 Cutting tools -- 5.8.2 Thermal management -- 5.8.3 Optics -- 5.8.4 Electronic devices -- 5.8.5 Field emission displays -- 5.8.6 Electrochemical sensors. , 5.8.7 Composite reinforcement -- 5.8.8 Particle detectors -- 5.9 Summary -- 5.10 Further reading -- 6 The secret of Nature's microscopic patterns -- 6.1 The biology of microarchitecture and self-assembly -- 6.1.1 Message and machinery -- 6.1.2 The inertia of natural patterns -- 6.1.3 Mimicking and modelling nature -- 6.2 Consideration of colloidal interactions and self-assembly -- 6.2.1 The unexpected behaviour of tiny objects -- 6.2.2 Creating pattern from instability -- 6.3 Synthetic self-assembled architecture and evolutionary implications -- 6.3.1 An experimental example -- 6.3.2 Of patterns and species -- 6.4 Future applications of biocolloid self-assembly -- 6.5 Further reading -- 7 Skeletal structure: synthesis of mechanics and cell biology -- 7.1 Introduction and historical background -- 7.2 Form and function in bone -- 7.2.1 Bone structure -- 7.2.2 Cells and matrix -- 7.2.3 Bone growth and maintenance -- 7.3 Mechanical regulation of bone structure -- 7.3.1 Adaptation experiments -- 7.3.2 Modelling -- 7.3.3 Imaging -- 7.4 Visions for the future -- 7.5 Further reading -- 8 The making of the virtual heart -- 8.1 Introduction -- 8.1.1 Martians and the Highway Code -- 8.2 The need for computational modelling in bio-medical research -- 8.2.1 What can we learn from Martians? -- 8.2.2 Combined opposites -- 8.3 The Physiome Project -- 8.3.1 The vision -- 8.3.2 The route -- 8.3.3 The tools -- 8.4 The virtual heart -- 8.4.1 Science or fiction? -- 8.4.2 Single cell models -- 8.4.3 Organ models -- 8.4.4 Simulating the ECG -- 8.4.5 Summary: The virtual heart -- 8.5 The utility of virtual organs -- 8.5.1 Added value for research -- 8.5.2 Added value for drug and device development -- 8.5.3 Added value for society -- 8.6 Further reading -- 9 Exploring human organs with computers -- 9.1 Introduction -- 9.2 Making cars -- 9.3 Designing drugs. , 9.4 Bone and skin -- 9.5 Cell interactions -- 9.6 The heart -- 9.7 An ear model -- 9.8 The next 10 years -- 9.9 The year 2020 -- 9.10 The year 2050 -- 9.11 Further reading -- 10 Reverse engineering the human mind -- 10.1 Further reading -- Contributor biographies -- Index.
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  • 6
    Online Resource
    Online Resource
    Cambridge :Cambridge University Press,
    Keywords: Genetics--Problems, exercises, etc. ; Electronic books.
    Description / Table of Contents: This third edition of a student-tested study aid provides guided instruction in the analysis and interpretation of genetic principles and problem solving. All core areas of genetics are covered, and problems are provided to test understanding. It will complement any genetics textbook or stand alone as a review manual.
    Type of Medium: Online Resource
    Pages: 1 online resource (326 pages)
    Edition: 3rd ed.
    ISBN: 9780511354069
    DDC: 575.1/076
    Language: English
    Note: Cover -- Half-title -- Title -- Copyright -- Contents -- Preface -- Note on Genetic Symbols -- CHAPTER ONE Overview of Genetic Organization and Scale -- CHAPTER TWO Mitosis and Meiosis -- STUDY HINTS -- IMPORTANT TERMS -- PROBLEM SET 2 -- ANSWERS TO PROBLEM SET 2 -- CROSSWORD PUZZLE 2 -- CHAPTER THREE Nucleic Acids: DNA and RNA -- STUDY HINTS -- IMPORTANT TERMS -- PROBLEM SET 3 -- ANSWERS TO PROBLEM SET 3 -- CROSSWORD PUZZLE 3 -- Nucleic Acids: DNA and RNA -- CHAPTER FOUR Basic Mendelian Genetics -- STUDY HINTS -- IMPORTANT TERMS -- PROBLEM SET 4 -- ANSWERS TO PROBLEM SET 4 -- CROSSWORD PUZZLE 4 -- Basic Mendelian Genetics -- CHAPTER FIVE Probability and Chi-Square -- STUDY HINTS -- I. Individual independent events -- IMPORTANT TERMS -- PROBLEM SET 5 -- Chi Square Problems -- ANSWERS TO PROBLEM SET 5 -- CHAPTER SIX Sex-Linkage and Gene Interactions -- STUDY HINTS -- IMPORTANT TERMS -- PROBLEM SET 6 -- Maternal Effects and Cytoplasmic Inheritance -- ANSWERS TO PROBLEM SET 6 -- CROSSWORD PUZZLE 6 -- Sex-Linkage and Interactions -- CHAPTER SEVEN Pedigree Analysis -- STUDY HINTS -- IMPORTANT TERMS -- PROBLEM SET 7 -- ANSWERS TO PROBLEM SET 7 -- CHAPTER EIGHT Overview of Basic Statistical Testing -- I. Differences -- 2. More than two samples -- CHAPTER NINE Quantitative Inheritance -- STUDY HINTS -- IMPORTANT TERMS -- PROBLEM SET 9 -- ANSWERS TO PROBLEM SET 9 -- CROSSWORD PUZZLE 9 -- Quantitative Inheritance -- CHAPTER TEN Overview of Genetic Mapping -- CHAPTER ELEVEN Assessing Chromosome Linkage Relationships -- STUDY HINTS -- IMPORTANT TERMS -- PROBLEM SET 11 -- ANSWERS TO PROBLEM SET 11 -- CHAPTER TWELVE Linkage and Mappingin Diploids -- STUDYHINTS -- IMPORTANT TERMS -- PROBLEM SET 12 -- ANSWERS TO PROBLEM SET 12 -- CHAPTER THIRTEEN Mapping in Bacteria and Viruses -- STUDY HINTS -- IMPORTANT TERMS -- PROBLEM SET 13 -- ANSWERS TO PROBLEM SET 13. , CROSSWORD PUZZLE 13 -- Mapping in Bacteria and Viruses -- CHAPTER FOURTEEN Overview of Types of Genetic Change -- CHAPTER FIFTEEN Gene Mutation -- STUDY HINTS -- IMPORTANT TERMS -- PROBLEM SET 15 -- ANSWERS TO PROBLEM SET 15 -- CHAPTER SIXTEEN Changes in Chromosome Number and Structure -- STUDY HINTS -- IMPORTANT TERMS -- PROBLEM SET 16 -- ANSWERS TO PROBLEM SET 16 -- CROSSWORD PUZZLE 16 -- Changes in Chromosome Number and Structure -- CHAPTER SEVENTEEN Protein Synthesis and the Genetic Code -- STUDY HINTS -- I. Initiation -- IMPORTANT TERMS -- PROBLEM SET 17 -- ANSWERS TO PROBLEM SET 17 -- CROSSWORD PUZZLE 17 -- Protein Synthesis and the Genetic Code -- CHAPTER EIGHTEEN Gene Regulation and Development -- STUDY HINTS -- IMPORTANT TERMS -- PROBLEM SET 18 -- ANSWERS TO PROBLEM SET 18 -- CHAPTER NINETEEN Overview of Molecular Biology Techniques -- CHAPTER TWENTY DNA Mapping and Human Genome Analysis -- STUDY HINTS -- I. Kindred analysis -- IMPORTANT TERMS -- PROBLEM SET 20 -- ANSWERS TO PROBLEM SET 20 -- CHAPTER TWENTY-ONE Basic Population Genetics -- STUDY HINTS -- IMPORTANT TERMS -- PROBLEM SET 21 -- ANSWERS TO PROBLEM SET 21 -- CROSS WORD PUZZLE 21 -- Basic Population Genetics -- CHAPTER TWENTY-TWO Selection and Evolution -- STUDY HINTS -- IMPORTANT TERMS -- PROBLEM SET 22 -- ANSWERS TO PROBLEM SET 22 -- CROSSWORD PUZZLE 22 -- Selection and Evolution -- CHAPTER TWENTY-THREE Practice Tests -- MITOSIS AND MEIOSIS -- Multiple Choice -- Diagrams and Definitions -- NUCLEIC ACIDS -- Multiple Choice -- Diagrams and Definitions -- BASIC MENDELIAN GENETICS 1 -- Multiple Choice -- MENDELIAN GENETICS 2 -- Multiple Choice -- Problems -- MENDELIAN GENETICS 3 -- Multiple Choice -- Problems -- LINKAGE AND MAPPING IN DIPLOIDS -- Multiple Choice -- Problems -- CHROMOSOME NUMBER AND STRUCTURE -- Multiple Choice -- Problems -- MUTATION AND FINE STRUCTURE. , Multiple Choice -- Problems -- PROTEIN SYNTHESIS AND THE GENETIC CODE -- Multiple Choice -- Problems -- GENE REGULATION AND DEVELOPMENT -- Multiple Choice -- GENETIC MATERIAL IN POPULATIONS -- Multiple Choice -- CHAPTER TWENTY-FOUR Answers to Practice Tests and Crossword Puzzles -- NUCLEIC ACIDS -- MultipleChoice -- Diagrams and Definitions -- BASIC MENDELIAN GENETICS 1 -- Multiple Choice -- MENDELIAN GENETICS 2 -- MultipleChoice -- Problems -- MENDELIAN GENETICS 3 -- Multiple Choice -- Problems -- LINKAGE AND MAPPING IN DIPLOIDS -- Multiple Choice -- Problems -- CHROMOSOME NUMBER AND STRUCTURE -- Multiple Choice -- Problems -- MUTATION AND FINE STRUCTURE -- Multiple Choice -- Problems -- PROTEIN SYNTHESIS AND THE GENETIC CODE -- Multiple Choice -- Problems -- GENE REGULATION AND DEVELOPMENT -- Multiple Choice -- GENETIC MATERIAL IN POPULATIONS -- Multiple Choice -- ANSWERS TO CROSS WORD PUZZLES -- MITOSIS AND MEIOSIS -- Multiple Choice -- Diagrams and Definitions -- CHAPTER TWENTY-FIVE Landmarks in the History of Genetics -- Glossary -- Reference Tables.
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  • 7
    Online Resource
    Online Resource
    Cambridge :Cambridge University Press,
    Keywords: Seeds -- Ecology. ; Electronic books.
    Description / Table of Contents: A succinct review of the ecological aspects of seed biology which encompasses a wide range of concepts of general relevance to plant ecology, reflecting the central role that the study of seed ecology has played in elucidating many fundamental aspects of plant community function.
    Type of Medium: Online Resource
    Pages: 1 online resource (262 pages)
    Edition: 1st ed.
    ISBN: 9780511196348
    DDC: 581.467
    Language: English
    Note: Cover -- Half-title -- Title -- Copyright -- Contents -- Boxes -- Preface -- 1 Life histories, reproductive strategies and allocation -- 1.1 Sexual vs.asexual reproduction in plants -- 1.2 Life histories and survival schedules -- 1.3 Variability of seed crops -- 1.4 The cost of reproduction -- 1.5 Reproductive allocation and effort -- 1.6 Seed size and number -- Optimal seed size -- Seed size and environment -- Seed size variation within floras -- Seed size-adaptation or constraint? -- 1.7 Phenotypic variation in seed size -- 2 Pre-dispersal hazards -- 2.1 Fruit and seed set -- 2.2 Incomplete pollination -- 2.3 Ovule abortion -- 2.4 Resource limitation -- 2.5 Pre-dispersal seed predation -- 3 Seed dispersal -- 3.1 Wind dispersal -- 3.2 Dispersal by birds and mammals -- 3.3 Myrmecochory -- 3.4 Water and ballistic dispersal -- 3.5 Man, his livestock and machinery -- 3.6 Evolution of dispersal -- 3.7 Some final questions -- 4 Soil seed banks -- 4.1 Seed banks in practice -- 4.2 Dormancy and seed size -- 4.3 Predicting seed persistence -- hard seeds -- 4.4 Seed-bank dynamics -- 4.5 Serotiny -- 4.6 Ecological significance of seed banks -- 5 Seed dormancy -- 5.1 Types of seed dormancy -- 5.2 The function of seed dormancy -- 5.3 Defining dormancy -- 5.4 Microbes and seed dormancy -- 5.5 Effects of parental environment on dormancy -- 6 Germination -- 6.1 Temperature and germination -- Constant temperatures -- Germination temperature and geographical distribution -- Alternating temperatures -- 6.2 Responses of seeds to light -- 6.3 Water availability during germination -- 6.4 The soil chemical environment -- Oxygen and carbon dioxide -- Nitrate -- Salinity -- Organic compounds -- 6.5 Effects of climate change -- 7 Post-dispersal hazards -- 7.1 Post-dispersal predation -- 7.2 Loss to pathogens -- 7.3 Fatal germination at depth. , 7.4 Loss of viability with age -- 8 Seedling establishment -- 8.1 Early growth of seedlings -- 8.2 Seedling morphology -- 8.3 Relative growth rate -- 8.4 Seedling mineral requirements -- 8.5 Factors limiting establishment -- 8.6 Mycorrhizal inoculation of seedlings -- 8.7 Facilitation -- 8.8 Plasticity -- 9 Gaps, regeneration and diversity -- 9.1 Gaps, patches and safe sites -- 9.2 'Gaps' difficult to define and detect -- 9.3 Limitations to recruitment in gaps -- 9.4 Microtopography of soil surface -- 9.5 Gaps and species diversity -- References -- Index.
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  • 8
    Online Resource
    Online Resource
    Cambridge :Cambridge University Press,
    Keywords: Biology -- Philosophy. ; Electronic books.
    Description / Table of Contents: This volume provides contemporary insights into biological evolution, exploring topics such as DNA barcoding, three grand challenges of human evolution, functionalism, historicity, design, evolution and development, and religion and secular humanism. It will be of interest to those studying philosophy of biology and evolutionary biology.
    Type of Medium: Online Resource
    Pages: 1 online resource (258 pages)
    Edition: 1st ed.
    ISBN: 9781139862998
    DDC: 576.8
    Language: English
    Note: Cover -- Half-title -- Title -- Copyright -- Dedication -- Contents -- Contributors -- Acknowledgments -- Introduction -- Chapter 1 Human evolution -- Introduction -- Humankind's distinctive traits -- Ethical behavior versus ethical norms -- Biological roots of ethical behavior -- Ethical norms: beyond biology -- Part I Evolution and theology -- Chapter 2 Evolutionary theory, causal completeness, and theism -- Evolutionary theory and determinism -- Guided mutations -- Two ways to think about conditional probabilities -- What if mutations sometimes were guided (in the biological sense)? -- A Duhemian analogy -- Concluding comments -- Chapter 3 Religion, truth, and progress -- I -- II -- III -- IV -- V -- VI -- Part II Taxonomy and systematics -- Chapter 4 Consilience, historicity, and the species problem -- Introduction -- Historicity and species -- Consilience and species -- The species problem -- Chapter 5 DNA barcoding and taxonomic practice -- DNA barcoding -- Critiques of DNA barcoding -- Underlying technology and associated methods -- Barcoding and traditional taxonomy -- Mobilizing the public, or 'publics', of biodiversity science and barcoding -- Barcoding and taxonomy: transformation or stalemate? -- Conclusion -- Part III The structure of evolutionary theory -- Chapter 6 Darwin's theory and the value of mathematical formalization -- Prolegomena -- The structure of Darwin's theory in the Origin -- Continuous versus discontinuous evolution -- Fisher and the formalization of Darwinian evolution -- Chapter 7 Population genetics, economic theory, and eugenics in R. A. Fisher -- Fisher and "economics": overview -- Malthusian parameter: growth of population and growth of capital -- Human evolution, economics, and eugenics -- Conclusion -- Chapter 8 Exploring development and evolution on the tangled bank -- Background. , Establishment of evo-devo -- The future of developmental evolution and its HPS challenges -- Conclusions -- Part IV Function, adaptation, and design -- Chapter 9 Darwin's cyclopean architect -- Chapter 10 Function and teleology -- Introduction -- Ruse's contribution -- The Etiological Theory of Function -- Methodological assumptions -- Univocity -- Analysis -- Mechanism -- Problems for the etiological theory -- Ascription and explanation -- Content and conditions -- Natural teleology -- Goals and explanations -- Teleology in evolution -- Plasticity and novelty -- The high fidelity of inheritance -- Reactive genomes -- Conclusion -- Chapter 11 How physics fakes design -- Physicalist reductionism -- Showing that physics suffices for adaptation by natural selection -- Showing how physics makes natural selection the only way adaptations can arise -- Only the second law can power adaptational evolution -- Coda: the second law, natural selection, and theism -- Index.
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  • 9
    Online Resource
    Online Resource
    Cambridge :Cambridge University Press,
    Keywords: Nuclear astrophysics. ; Electronic books.
    Description / Table of Contents: Describing the processes in stars which produce the chemical elements for planets and life, this book shows how similar processes may be reproduced in laboratories using exotic beams, and how these results can be analyzed. The associated reaction program Fresco is described, and is available at www.cambridge.org/9780521856355.
    Type of Medium: Online Resource
    Pages: 1 online resource (482 pages)
    Edition: 1st ed.
    ISBN: 9780511579530
    DDC: 523.0197
    Language: English
    Note: Cover -- NUCLEAR REACTIONS FOR ASTROPHYSICS -- Title -- Copyright -- Contents -- Preface -- Sources of quotations -- Acknowledgements -- 1 Nuclei in the Cosmos -- 1.1 Nuclei -- 1.1.1 Properties of nuclei -- 1.1.2 Nuclear reactions -- 1.1.3 Forces in nuclei -- 1.1.4 The Coulomb barrier -- 1.2 Primordial nucleosynthesis -- 1.3 Reactions in light stars -- 1.3.1 Proton-proton chains -- 1.3.2 Triple-α reaction -- 1.3.3 CNO cycles -- 1.4 Heavy stars -- 1.4.1 α-burning -- 1.4.2 s-process neutron reactions -- 1.5 Explosive production mechanisms -- 1.5.1 r-process neutron reactions -- 1.5.2 The rp-process -- 1.5.3 The p-process -- 1.6 Outlook -- 1.6.1 Implications for nuclear physics -- 1.6.2 Nuclear astrophysics: an open field -- References -- 2 Reactions of nuclei -- 2.1 Kinds of states and reactions -- 2.1.1 States of nuclei -- 2.1.2 Kinds of reactions -- 2.2 Time and energy scales -- 2.2.1 Direct reactions -- 2.2.2 Resonance reactions -- 2.2.3 Compound nucleus reactions -- 2.3 Collisions -- 2.3.1 Non-relativistic kinematics -- 2.3.2 Relative and center-of-mass wave functions -- 2.3.3 Relativistic kinematics -- 2.4 Cross sections -- 2.4.1 Differential cross sections -- 2.4.2 Laboratory and center of mass measures -- 2.4.3 Experimental and theoretical cross sections -- 2.4.4 Cross sections and scattering amplitudes -- Exercises -- References -- 3 Scattering theory -- 3.1 Elastic scattering from spherical potentials -- 3.1.1 Partial-wave scattering from a finite spherical potential -- 3.1.2 Coulomb and nuclear potentials -- 3.1.3 Resonances and virtual states -- 3.1.4 Nuclear currents or flux -- 3.1.5 Complex potentials -- 3.2 Multi-channel scattering -- 3.2.1 Multiple channels -- 3.2.2 Coupled equations -- 3.2.3 Unitarity of the multi-channel S matrix -- 3.2.4 Detailed balance -- 3.3 Integral forms -- 3.3.1 Green's function methods. , 3.3.2 Vector-form T matrix for plane waves -- 3.3.3 Two-potential formula -- 3.3.4 Vector-form T matrix for distorted waves -- 3.3.5 Born series and approximations -- 3.4 Identical particles -- 3.4.1 Isospin -- 3.4.2 Direct and exchange amplitudes in elastic scattering -- 3.4.3 Integrated cross sections -- 3.4.4 Exchange transfer -- 3.5 Electromagnetic channels -- 3.5.1 Maxwell equations and photon channels -- 3.5.2 Coupling photons and particles -- 3.5.3 Photon cross sections -- 3.5.4 Partial waves and vector spherical harmonics -- 3.5.5 Electric and magnetic parts in the Coulomb gauge -- Appendix -- Exercises -- References -- 4 Reaction mechanisms -- 4.1 Optical potentials -- 4.1.1 Typical forms -- 4.1.2 Global optical potentials -- 4.1.3 Folding potentials -- 4.2 Single-nucleon binding potentials -- 4.2.1 Neutron and proton single-particle states in nuclei -- 4.2.2 Optical potentials extended to bound states -- 4.3 Coupling potentials -- 4.3.1 Multipole analysis of transition potentials -- 4.3.2 Spin-dependent potentials -- 4.4 Inelastic couplings -- 4.4.1 Collective inelastic processes -- 4.4.2 Single-particle inelastic processes -- 4.5 Particle rearrangements -- 4.5.1 Transfer reactions -- 4.5.2 Knockout reactions -- 4.5.3 Breakup reactions -- 4.5.4 Capture reactions -- 4.6 Isospin transitions -- 4.6.1 Charge-exchange reactions -- 4.6.2 Generalized multipole transitions -- 4.7 Photo-nuclear couplings -- 4.7.1 Single-photon reactions -- 4.7.2 Electric transitions using the Siegert theorem -- 4.7.3 Combining multiple-particle and γ channels -- 4.7.4 Connecting photon cross sections and B(EJ) -- 4.7.5 Magnetic transitions -- Exercises -- References -- 5 Connecting structure with reactions -- 5.1 Summary of structure models -- 5.1.1 Shell models -- 5.1.2 Cluster models -- 5.1.3 Mean-field models -- 5.1.4 Collective nuclear-matter descriptions. , 5.2 Folded potentials -- 5.2.1 Fourier methods -- 5.2.2 Deformed densities -- 5.2.3 Typical forms of effective interactions -- 5.3 Overlap functions -- 5.3.1 Non-antisymmetrized theory -- 5.3.2 Antisymmetrized theory -- 5.3.3 Cluster overlaps -- 5.4 General matrix elements -- 5.4.1 Coulomb and nuclear transitions -- 5.4.2 Allowed β-decays -- Exercises -- References -- 6 Solving the equations -- 6.1 Elastic scattering -- 6.2 Classifications -- 6.2.1 Local and non-local couplings -- 6.2.2 Simplified solutions -- 6.3 Multi-channel equations -- 6.3.1 Alternate methods -- 6.3.2 Close-coupling methods for local couplings -- 6.3.3 Iterative solutions -- 6.3.4 Numerical iterations -- 6.3.5 Convergence of iterative methods -- 6.4 Multi-channel bound states -- 6.4.1 Coupled-channels eigenvalue problem -- 6.5 R-matrix methods -- 6.5.1 One-channel R-matrix expansions -- 6.5.2 The multi-channel R matrix -- 6.6 Coupled asymptotic wave functions -- Exercises -- References -- 7 Approximate solutions -- 7.1 Few-body adiabatic scattering -- 7.1.1 Three-body adiabatic model -- 7.1.2 The Johnson and Soper potential for transfer reactions -- 7.1.3 The Johnson special three-body model -- 7.1.4 The adiabatic wave function for breakup -- 7.1.5 The adiabatic wave function for transfers -- 7.2 Eikonal methods -- 7.2.1 The eikonal wave function -- 7.2.2 Eikonal elastic scattering -- 7.2.3 Composite-body scattering and the optical limit -- 7.2.4 Eikonal cross sections -- 7.2.5 Stripping reactions -- 7.3 First-order semiclassical approximation -- 7.4 WKB approximation -- 7.4.1 Coulomb penetration factors -- Exercises -- References -- 8 Breakup -- 8.1 Three-body wave equations -- 8.1.1 Wave function components -- 8.1.2 Three-component Faddeev equations -- 8.1.3 Reduction to one Jacobi set -- 8.2 Continuum Discretized Coupled Channel method -- 8.2.1 Continuum bins. , 8.2.2 CDCC equations and couplings -- 8.2.3 Calculating differential cross sections -- 8.2.4 Model space and convergence of the CDCC equations -- 8.2.5 Relation to DWBA -- 8.2.6 Three-body observables -- 8.3 Other breakup measures and methods -- 8.3.1 Momentum distributions -- 8.3.2 Inclusive measurements -- 8.3.3 Semiclassical and time-dependent methods -- 8.3.4 Transfer to the continuum -- Exercises -- References -- 9 Three-body nuclei -- 9.1 Definitions of halo and deeply bound states -- 9.2 Three-body models for bound states -- 9.2.1 The hyperspherical coordinates -- 9.2.2 Hyperspherical expansions -- 9.2.3 Coupled hyper-radial equations -- 9.2.4 Pauli principle -- 9.3 Three-body continuum -- 9.4 Reactions with three-body projectiles -- 9.4.1 Born approximations -- 9.4.2 Adiabatic models -- 9.4.3 Three-body eikonal models -- 9.4.4 Four-body CDCC -- Exercises -- References -- 10 R-matrix phenomenology -- 10.1 R-matrix parameters -- 10.2 Single-channel R matrix -- 10.2.1 Phase shifts from the one-channel R matrix -- 10.2.2 Isolated poles in single-channel scattering -- 10.2.3 Multiple poles in one channel -- 10.3 Coupled-channels R matrix -- 10.3.1 Revised derivation of the scattering S matrix -- 10.3.2 Level-matrix formulation -- 10.4 Combining direct and resonant contributions -- Exercises -- References -- 11 Compound-nucleus averaging -- 11.1 Compound-nucleus phenomena -- 11.1.1 Porter-Thomas statistics -- 11.2 Approximations neglecting interference -- 11.2.1 Reich-Moore approximation -- 11.2.2 Multi-level Breit-Wigner approximation -- 11.3 Hauser-Feshbach models -- 11.3.1 Width fluctuation corrections -- 11.3.2 Transmission coefficients -- 11.3.3 Weisskopf-Ewing approximation -- 11.3.4 Strong couplings and overlapping resonances -- 11.3.5 Decay models -- 11.4 Level densities -- 11.5 Average amplitudes and the optical model. , 11.5.1 Sources of the optical potential -- 11.5.2 Effects of neglected direct-reaction channels -- 11.5.3 Effects of neglected compound-nucleus channels -- Exercises -- References -- 12 Stellar reaction rates and networks -- 12.1 Thermal averaging -- 12.1.1 Reaction rates (συ) and lifetimes -- 12.1.2 Maxwell-Boltzmann distributions -- 12.1.3 The Gamow peak -- 12.1.4 Averaging over resonances -- 12.1.5 Neutron and photon reaction rates -- 12.1.6 Inverse reaction rates -- 12.1.7 Electron screening -- 12.2 Reaction networks -- 12.2.1 Coupled rate equations -- 12.2.2 Explicit and implicit solution methods -- 12.3 Equilibria -- 12.3.1 Fixed points of the rate equations -- 12.3.2 The Saha equation -- 12.3.3 Reactions with excited states -- 12.3.4 Nuclear statistical equilibrium -- 12.3.5 Freeze-out -- 12.4 Sensitivities to nuclear data -- Exercises -- References -- 13 Connection to experiments -- 13.1 New accelerators and their methods -- 13.1.1 Beam production -- 13.1.2 An example of a fast-fragmentation facilty -- 13.1.3 An example of an ISOL facility -- 13.2 Detection -- 13.3 Direct measurements -- 13.3.1 Charged-particle beams -- 13.3.2 Neutron beams -- 13.3.3 Photon beams -- Exercises -- References -- 14 Spectroscopy -- 14.1 Transfer spectroscopy -- 14.1.1 DWBA transfer theory -- 14.1.2 Q-value sensitivity -- 14.1.3 Angular momentum sensitivity -- 14.1.4 Extraction of asymptotic normalization coefficients -- 14.1.5 Extraction of spectroscopic factors -- 14.1.6 Dependence on optical potentials -- 14.1.7 Dependence on single-particle parameters -- 14.1.8 Higher-order corrections -- 14.2 Knockout spectroscopy -- 14.3 Inelastic spectroscopy -- 14.4 Breakup spectroscopy -- 14.4.1 Coulomb dissociation method -- 14.4.2 Extracting an asymptotic normalization coefficient -- Exercises -- References -- 14.5 Charge-exchange spectroscopy -- 15 Fitting data. , 15.1 χ2 measures.
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  • 10
    Online Resource
    Online Resource
    Cambridge :Cambridge University Press,
    Keywords: Morphology (Animals). ; Electronic books.
    Description / Table of Contents: Analysing biological processes in their mathematical and physical aspects, this historic work, first published in 1917, has also become renowned for the sheer poetry of its descriptions. It is now available for a wider readership including a foreword by one of today's great populisers of science.
    Type of Medium: Online Resource
    Pages: 1 online resource (371 pages)
    Edition: 1st ed.
    ISBN: 9781139959377
    Series Statement: Canto Classics Series
    DDC: 571.8
    Language: English
    Note: Cover -- Half Title -- Title Page -- Copyright -- Contents -- Foreword -- Introduction -- I Introductory -- II On Magnitude -- III The Forms of Cells -- IV The Forms of Tissues, or Cell-aggregates -- V On Spicules and Spicular Skeletons -- VI The Equiangular Spiral -- VII The Shapes of Horns and of Teeth or Tusks -- VIII On Form and Mechanical Efficiency -- IX On the Theory of Transformations, or the Comparison of Related Forms -- X Epilogue -- Index.
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