Atomic Spectra and Collisions in External Fields (Physics of Atoms and Molecules)

Book Description

Among the most comprehensive reference sources in the field, this graduate-level text by a leading researcher in atomic and molecular spectroscopy introduces and explores the electron-spin-resonance theory of randomly oriented molecules, using exceptionally clear mathematical formulations throughout. "I recommend it highly." — American Scientist. Extensive editorial apparatus. 119 line illustrations.

Customer Reviews:

Understanding experimental EPR results made easy.......2000-04-06

Just as its title implies, this book is devoted to electron paramagnetic resonance (EPR) properties of atoms and molecules containing unpaired electrons. Written by one of the most senior, and best known, authorities on EPR of small molecules, it is unique in its hands-on approach to the understanding and analysis of the experimental EPR spectra. Started as a practical introduction into the theory of EPR spectra for new co-workers arriving to Prof. Weltner's laboratory, this book enables a student or scientist already comfortable with the concepts of spin and quantum mechanics, but not yet intimate with the field of EPR, to enter this new area as rapidly, and as painlessly as possible. The bulk of the book goes through a careful analysis of experimental EPR results for representative systems, paying careful attention to the physical sources of interactions observed in the spectra. A special emphasis, lacking in most other sources, is given to the relationship between gas-phase and matrix isolation experiments. The book is accompanied by a comprehensive review of experimental data for small molecules published before 1983. Although somewhat dated, this data is still immensely useful, and is not easy to find otherwise. This book will is a welcome, and little known, addition to a bookshelf of any researcher working in the field.

Energy Levels in Atoms and Molecules (Oxford Chemistry Primers, 26)

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Energy Levels in Atoms and Molecules (Oxford Chemistry Primers, 26)
W. G. Richards , and P. R. Scott
Manufacturer: Oxford University Press, USA
ProductGroup: Book
Binding: Paperback

Biochemistry | Biological Sciences | Science | Subjects | Books

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ASIN: 019855804X

Book Description

An understanding of the energy levels of atoms and molecules is an essential foundation for the study of physical chemistry. This short text provides students at the start of their university chemistry courses with a clear and accessible introduction to electronic structure and quantized mechanics and spectroscopy in second and third year courses. All students on first courses in spectroscopy will find this readable, lively account to be invaluable aid to their study.

Atoms and Molecules in Strong External Fields

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Atoms and Molecules in Strong External Fields

Manufacturer: Springer
ProductGroup: Book
Binding: Hardcover

Astronomy | Astronomy | Science | Subjects | Books

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ASIN: 030645811X

Giant Resonances in Atoms, Molecules, and Solids (Nato a S I Series Series B, Physics)

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Giant Resonances in Atoms, Molecules, and Solids (Nato a S I Series Series B, Physics)
J.P. Connerade , J.M. Esteva , and R.C. Karnatak
Manufacturer: Springer
ProductGroup: Book
Binding: Hardcover

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Nonlinear Behaviour of Molecules, Atoms and Ions in Electric, Magnetic or Electromagnetic Fields

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Nonlinear Behaviour of Molecules, Atoms and Ions in Electric, Magnetic or Electromagnetic Fields

Manufacturer: Elsevier
ProductGroup: Book
Binding: Hardcover

Dipole Moments, Quadrupole Coupling Constants, Hindered Rotation and Magnetic Interaction Constants of Diamagnetic Molecules (Landolt-Bornstein: Numerical ... Relationships in Science and Technology)

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Dipole Moments, Quadrupole Coupling Constants, Hindered Rotation and Magnetic Interaction Constants of Diamagnetic Molecules (Landolt-Bornstein: Numerical ... Relationships in Science and Technology)
J. Demaison , H. Hübner , W. Hüttner , J. Vogt , and G. Wlodarczak
Manufacturer: Springer
ProductGroup: Book
Binding: Hardcover

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ASIN: 3540410376

Book Description

Volume II/24 presents the spectroscopic data on diamagnetic and paramagnetic molecules as well as on molecular ions and radicals up to date considering the publications up to and partly including 1997. The spectroscopic information collected in this volume has been obtained principally from gas phase microwave measurements. In addition, gas phase data have been included derived from methods related to microwave spectroscopy by employing a coherent radiation source. These are molecular beam techniques, radio frequency spectroscopy, electron resonance spectroscopy, laser spectroscopy, double resonance and saturation techniques. Some other methods are considered if the accuracy of the derived molecular parameters is comparable to that of microwave spectroscopy owing to a good statistics in the analysis of data, and no microwave data are available. Examples would be Fourier infrared spectroscopy or laser induced fluorescence.

Massachusetts Institute of Technology. Dept. of Physics. Thesis. 1978. Ph. D

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Massachusetts Institute of Technology. Dept. of Physics. Thesis. 1978. Ph. D
Michael Rosenbluh
ProductGroup: Book
Binding: Unknown Binding
ASIN: B0007AP7U6

Book Description

Our understanding of angiosperm relationships has changed dramatically during the past ten years. The big picture of angiosperm phylogeny emerged suddenly as a direct result of collaborative molecular analyses, and longstanding views of deep-level relationships required revision. Many major clades of angiosperms did not correspond to the classes, subclasses, and orders of modern classifications. Furthermore, a wealth of recent data coupled with current understanding of phylogeny permits reevaluation of many deep-rooted evolutionary hypotheses. Soltis et al. provide a comprehensive summary of current concepts of angiosperm phylogeny and illustrate the profound impact that this phylogenetic framework has had on concepts of character evolution. In so doing, they acknowledge inadequacies in both current understanding of phylogeny and knowledge of morphological characters, as well as the need for additional study.

Customer Reviews:

A long-awaited book by all those interested in plant evolution.......2005-11-03

The revolution brought about by Crick and Watson's discovery of the structure of DNA is still expanding in all fields of biology, and plant systematics and evolution are no exception to this. Researchers in the 1980's have started sequencing pieces of DNA from plants with the aim of comparing their sequences, hoping to get information about their past evolution. The results have largely exceeded the expectations, and hundreds of papers on plant molecular phylogeny have since been published, including the remarkable APG I & II papers, that present a new classification for plants, entirely based on what is known of their evolutionary history.

The present book is a most useful synthesis of all these pieces of work, and presents a well-documented image of what we know about plant evolution and diversity at the moment. The book starts with the earliest cases of divergence found in the flowering plants and proceeds towards the more recent diversification events, with detailed studies of families and some genera, and special chapters about the evolution of flowers, genome size and some cases of parallel evolution (parasitic and carnivorous plants, C4 photosynthesis). Many of the diagrams presented have been seen nowhere else, and provide striking pictures of how plant evolution can be inferred with the knowledge available nowadays (even though some of the details may still be questionable).

It is regrettable that so little is said about biogeography, but that could have made the subject of a new book altogether. Some of the conclusions presented are somewhat cursory. For example, the tendrils/hooks of Ancistrocladaceae, Dioncophyllaceae and Nepenthaceae are unlikely to be homologous, being twigs, leaf tips and petioles, respectively, although the book presents them as a possibly shared, "ancestral" trait (p. 263). Likewise, the leaf-borne flowers of Helwingia and Phyllonoma (p. 224) are quite different (the pedicel is distinctly fused with the leaf petiole and midrib in the former, whereas the latter shows no clue as to how this condition has evolved). This could have been explained in a few words. No doubt however that such imperfections will be improved in further versions of the book. Before this happens, I am much looking forward to new versions of the APG system, and all the projects that the present book will foster in the years to come.

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Phylogeny and Evolution of Angiosperms
Pamela Soltis , Peter K. Endress , and Mark Chase
Manufacturer: Smithsonian Books
ProductGroup: Book
Binding: Hardcover

General | Evolution | Science | Subjects | Books

General | Science | Subjects | Books

Book Description

Leading experts provide the most up-to-date information available.

Book Description

The origin, early evolution and basal phylogeny of angiosperms continue to be areas of ferment in botanical research. Rapid progress is being made, in part due to the unprecedented number of approaches now available and to the increased amount of empirical data. The topics of angiosperm structure and evolution are covered in several chapters that discuss vegetative and reproductive characters, as well as discuss the implications of ancestral angiosperm characters for an herbaceous origin. The last chapters discuss the phylogeny of angiosperms from a structure and molecular perspective.

Phylogeny of basal eudicots: Insights from non-coding and rapidly evolving DNA [An article from: Organisms Diversity & Evolution]

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Phylogeny of basal eudicots: Insights from non-coding and rapidly evolving DNA [An article from: Organisms Diversity & Evolution]
A. Worberg , D. Quandt , A.-M. Barniske , C. Lohne , and H
Manufacturer: Elsevier
ProductGroup: Book
Binding: Digital
ASIN: B000PDYOD6

Book Description

This digital document is a journal article from Organisms Diversity & Evolution, published by Elsevier in 2007. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.

Description:
Sequence data of the trnL group I intron, the petD group II intron, the trnL-F and petB-D spacers, and the rapidly evolving matK gene were analysed from all families of the basal eudicot grade and from representatives of 19 core eudicot orders. The dataset comprised 5654 positions of aligned sequence plus a matrix of 1087 binary indel characters. Mutational hotspots correspond in number and extension to hotspots already known from basal angiosperms and, with respect to secondary structure, are generally located in terminal parts of stem-loop regions. Parsimony, Bayesian, and likelihood analyses depict Ranunculales as sister to all remaining eudicots with maximum support. The branching order in the basal eudicot grade is further resolved as Sabiales, Proteales, Trochodendrales, and Buxales. Nearly all of the backbone nodes gain high confidence, except for the node showing Proteales diverging before Trochodendrales, which is only moderately supported (83% JK). In Ranunculales, the woody Eupteleaceae are first-branching, with Papaveraceae plus Fumariaceae coming next. Within Proteales, Nelumbo is clearly resolved as sister to a Platanaceae-Proteaceae clade. Gunnerales are found as the first branch in core eudicots, with maximum support in the combined analysis. This node is also resolved with matK alone, but unsupported. It appears that the combined analysis of sequence data from rapidly evolving and non-coding genomic regions leads to significantly improved statistical support values in comparison to earlier studies of basal eudicots using multiple conserved genes. See also Electronic Supplement at doi:10.1016/j.ode.2006.08.001

Book Description

The environment contains an abundance of man-made and natural radionuclides, as well as polluting heavy metals. Their accumulation and the inevitable adverse impact on human health is a matter for serious international concern. Such modern environmental problems are reviewed in an integrated fashion here. The book's highlights are:

The accumulation of actinide nuclei in the human body. New data on Pu and Am in some of the most seriously damaged regions of Russia, Belorussia, Ukraine and Kazakhstan.
Fundamental and applied aspects of heavy metal waste deposits. Advances in analytical techniques (NAA, XRF, ICP-MS, AAS, PIXE, HPLC). The use of mosses and lichens to study heavy metal atmospheric deposition. Research on toxicology, food and nutrition, speciation and scalp hair as a biological indicator.
New model of the Earth's crust allowing the reconstruction of the real origin of seismic catastrophes. A real possibility to predict earthquake or volcanic activity by studying radon gas, gamma and neutron activity in combination with hydrogen and helium isotope flow and complemented by satellite data on the state of the ionosphere.
Recent data on accelerator driven transmutation experiments (protons accelerated as JINR Synchrophasotron and 660 MeV Phasotron) with Pb blocks and 3000 kg natural uranium targets.

Comparison of the bioaccumulation from seawater and depuration of heavy metals and radionuclides in the spotted dogfish Scyliorhinus canicula (Chondrichthys) ... from: Science of the Total Environment, The]

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Comparison of the bioaccumulation from seawater and depuration of heavy metals and radionuclides in the spotted dogfish Scyliorhinus canicula (Chondrichthys) ... from: Science of the Total Environment, The]
R.A. Jeffree , M. Warnau , J.L. Teyssie , and S. Markich
Manufacturer: Elsevier
ProductGroup: Book
Binding: Digital

Elsevier | By Publisher | e-Docs | Formats | Books
ASIN: B000PA9ZC4

Book Description

This digital document is a journal article from Science of the Total Environment, The, published by Elsevier in 2006. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.

Description:
The bioaccumulation of selected heavy metals and radionuclides (^2^4^1Am, ^1^0^9Cd, ^5^7Co, ^5^1Cr, ^1^3^4Cs, ^5^4Mn and ^6^5Zn) from seawater was experimentally compared in the Chondrichthyan Scyliorhinus canicula (spotted dogfish) and the Actinopterygian Teleost Psetta maxima (turbot), of comparable size, age and benthic feeding habits. The speciation of these elements in seawater (salinity 38%%, pH 8.1, temperature 16.5 ^oC) was also calculated to determine their potential bioavailability. The uptake rates, measured over 14 days, varied greatly among isotopes and between species. Concentration factors (CFs) in P. maxima varied 5-fold between ca. 0.2 for ^5^1Cr and 2.5 for ^6^5Zn and ^1^3^4Cs, whereas in S. canicula they varied by a much greater factor of 350, with CFs for ^5^1Cr and ^2^4^1Am ranging from ca. 0.4 to 140, respectively. With the exception of ^1^3^4Cs, all radiotracers were accumulated at a faster rate in S. canicula than in P. maxima, particularly for ^2^4^1Am and ^6^5Zn where the CFs attained during the uptake phase were, two and one order of magnitude greater in S. canicula, respectively. In contrast, ^1^3^4Cs reached a CF of about 2.5 in P. maxima, which was 5-fold greater than in S. canicula. Patterns of loss from the experimental depuration phase over 29 days showed greater similarities between species, compared to the uptake phase that highlighted the greater differences between elements. The distributions of these seven radioisotopes among six body components indicated that between the two species the skin of the dogfish displayed a greater bioaccumulation potential, particularly for ^2^4^1Am, ^5^7Co and ^6^5Zn. However ^6^5Zn was also distinctive from ^2^4^1Am and ^5^7Co in its pattern of bioaccumulation in dogfish, with its other body components attaining concentrations of ^6^5Zn that were comparable to the levels found in its skin. The heightened uptake of ^1^3^4Cs in turbot was characterised by a more even percentage distribution among its tissues compared to ^2^4^1Am and ^5^7Co, but every tissue of turbot had a higher concentration of ^1^3^4Cs, compared to dogfish, particularly the muscle and liver. The elevated uptake rates and higher CFs for most radioisotopes indicate that S. canicula is more susceptible than P. maxima to exposure and contamination by these metals and radionuclides in seawater. These experimentally-determined differences between dogfish and turbot in their bioaccumulation characteristics were assessed against a set of criteria erected to evaluate the working hypothesis that they were taxonomically based. The outcomes of this initial assessment were supportive of this hypothesis that warrants further investigation.

Book Description

David Grimes's humor column runs three times a week in the Sarasota Herald Tribune. David began writing his humor column in 1985 when it became clear that he had no talent for other, more useful jobs at the paper.

David has gleaned a lifetime of wisdom from his 25 years as a Florida resident and offers us sage advice on topics such as these:

Granny Sweat Boosts Health

Though Often Confused, Tourists, Love Bugs Differ

Let the Feds Cut Your Grass

This is Your Dog on Drugs

Thanks for the Intestines

How to Increase Holiday Bickering

What Lassie Wants for Christmas

Customer Reviews:

simply funny.......2001-02-13

southwest floridians are familiar with david grimes because he writes a humor column for a newspaper there, but i'm sure other people would find him funny, too. i think he's better than dave barry, a writer he's often compared with. with barry, you pretty much know what you're going to get. but grimes is more versatile. he can be silly and ridiculous, too, but grimes comes across as more of a real person.

David Grimes' Book Rules!.......2000-10-20

This book is a compilation of all his past columns, and let me tell you, some of them are HILARIOUS! He talks about all the problems that plague Florida today and all of lifes little foibles (however you spell that). Going on, the cover of the book couldn't be funnier, and the introduction by fellow author Bob Plunkett is superb. This is a must read to all you Grimes fans, so pick it up today!

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