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The Spectra Of The Heavy Elements
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Book Synopsis The Spectra of the Heavy Elements by : F. S. Tomkins
Download or read book The Spectra of the Heavy Elements written by F. S. Tomkins and published by . This book was released on 1949 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper lists the most prominent spectrum lines of the elements from protactinium to americium. In most cases, the spectra were made available because of the necessity of conducting spectrochemical analyses on a number of samples for impurities. Because of limitations of sample size, it was not feasible to perform the analyses with the aid of chemical or physical separations, and so the spectrum of the major constituent was always present. It would be of considerable interest to provide descriptions of the spectra which would be adequate for term analyses leading to energy levels and electron configurations, not only for the spectroscopic interest but also for the assistance they might provide in the correlation of chemical properties of these elements. However, the amounts of labor and sample required for such descriptions are quite formidable, as is evidenced by the fact that the spectra of thorium and uranium are still incompletely analyzed in spite of their having been available in unlimited quantities for many years. To be adequate for a term analysis, the wavelengths must be measured to the third decimal place for as many lines as can be observed over the most extensive wavelength range accessible; Zeeman patterns must be provided; and a temperature or excitation variation must be provided in order to distinguish the various stages of ionization and low levels from high levels. On the other hand, for purposes of identification, it is sufficient to have measurements of the strongest lines of each element, accurate to the first decimal place, covering a representative wavelength region that is convenient for analysis. Since it will probably be some time before data of much value for term analyses are accumulated, the following information was collected for whatever usefulness it might have in spectrochemical analyses.
Book Synopsis THE COMPLEX ALPHA SPECTRA OF THE HEAVY ELEMENTS (thesis). by :
Download or read book THE COMPLEX ALPHA SPECTRA OF THE HEAVY ELEMENTS (thesis). written by and published by . This book was released on 1953 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Complex Alpha Spectra of the Heavy Elements by : Francesco Asaro
Download or read book The Complex Alpha Spectra of the Heavy Elements written by Francesco Asaro and published by . This book was released on 1953 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Very Soft X-ray Spectra of Heavy Elements by : Casimiro Del Rosario
Download or read book Very Soft X-ray Spectra of Heavy Elements written by Casimiro Del Rosario and published by . This book was released on 1932 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Spectra of Particles Emitted from Heavy Elements Bombarded by 31-Mev Protons by : George Jerome Igo
Download or read book The Spectra of Particles Emitted from Heavy Elements Bombarded by 31-Mev Protons written by George Jerome Igo and published by . This book was released on 1953 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis THE SPECTRA OF PARTICLES EMITTED FROM HEAVY ELEMENTS BOMBARDED BY 31-MEV PROTONS (thesis). by :
Download or read book THE SPECTRA OF PARTICLES EMITTED FROM HEAVY ELEMENTS BOMBARDED BY 31-MEV PROTONS (thesis). written by and published by . This book was released on 1953 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Very Soft X-ray Spectra of Heavy Elements, a Thesis in Physics Presented to the Faculty of the Graduate School of the University of Pennsylvania... by C. Del Rosario... by : C. del Rosario
Download or read book Very Soft X-ray Spectra of Heavy Elements, a Thesis in Physics Presented to the Faculty of the Graduate School of the University of Pennsylvania... by C. Del Rosario... written by C. del Rosario and published by . This book was released on 1932 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multiphoton Spectroscopy in Heavy Elements by :
Download or read book Multiphoton Spectroscopy in Heavy Elements written by and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Some recently discovered regularities in the spectra of heavy elements which are also applicable to the analysis of the spectra of lighter atoms are described. It is pointed out that stepwise resonant multiphoton methods are irreplaceable tools in the study of high lying states in a complex atomic system. Systematic applications of these methods has permitted regularities to be observed which also hold for the lighter elements. It is noted that greatly increased understanding of the excited state structure of heavy atoms is not possible. 8 references. (JFP).
Book Synopsis The X-ray K Spectra of Some Heavy Elements by : David Saxon
Download or read book The X-ray K Spectra of Some Heavy Elements written by David Saxon and published by . This book was released on 1954 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigation of Spectra Arising from Autoionizing Levels in Highly Ionized Heavy Elements by : Rami Doron
Download or read book Investigation of Spectra Arising from Autoionizing Levels in Highly Ionized Heavy Elements written by Rami Doron and published by . This book was released on 2000 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stellar Interiors by : Carl J. Hansen
Download or read book Stellar Interiors written by Carl J. Hansen and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 453 pages. Available in PDF, EPUB and Kindle. Book excerpt: That trees should have been cut down to provide paper for this book was an ecological afIront. From a book review. - Anthony Blond (in the Spectator, 1983) The first modern text on our subject, Structure and Evolution of the Stars, was published over thirty years ago. In it, Martin Schwarzschild described numerical experiments that successfully reproduced most of the observed properties of the majority of stars seen in the sky. He also set the standard for a lucid description of the physics of stellar interiors. Ten years later, in 1968, John P. Cox's tw~volume monograph Principles of Stellar Structure appeared, as did the more specialized text Principles of Stellar Evolution and Nuc1eosynthesis by Donald D. Clayton-and what a difference ten years had made. The field had matured into the basic form that it remains today. The past twenty-plus years have seen this branch of astrophysics flourish and develop into a fundamental pillar of modern astrophysics that addresses an enormous variety of phenomena. In view of this it might seem foolish to offer another text of finite length and expect it to cover any more than a fraction of what should be discussed to make it a thorough and self-contained reference. Well, it doesn't. Our specific aim is to introduce only the fundamentals of stellar astrophysics. You will find little reference here to black holes, millisecond pulsars, and other "sexy" objects.
Download or read book Los Alamos Science written by and published by . This book was released on 1980 with total page 1088 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Analysis of Starlight by : J. B. Hearnshaw
Download or read book The Analysis of Starlight written by J. B. Hearnshaw and published by CUP Archive. This book was released on 1990-04-19 with total page 554 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a detailed pedagogical account of the equation of state and its applications in several important and fast growing topics in theoretical physics, chemistry and engineering. This book is the storv of the analysis of starlight by astronomical spectroscopy. It describes the development of the subject from the time of Joseph Fraunhofer, who, in 1814, used a telescope-mounted prism to observe the spectral light emitted from several bright stars. He discovered that light was missing at certain colours (wavelengths) in the starlight, and these so-called spectral lines were subsequently shown to hold clues to the nature of the stars themselves. The book explains how the classification of stars using their line spectra developed into a major branch of astronomy whilst new methods in astrophysics made possible the approximate quantitative analysis of spectral lines in the 1920s and 1930s. After the Second World War these techniques were considerably improved when computers were programmed to model the structure of the outer layers of stars. Basic concepts in spectroscopy and spectral analysis are also covered and. finally. Dr Hearnshaw comments on the stellar spectroscopy of some individual star.
Book Synopsis Observational Astrophysics by : Pierre Lena
Download or read book Observational Astrophysics written by Pierre Lena and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: For the last twenty years astronomy has been developing dramatically. Until the nineteen-fifties, telescopes, spectrometers, and photographic plates consti tuted a relatively simple set of tools which had been refined to a high degree of perfection by the joint efforts of physicists and astronomers. Indeed these tools helped at the birth of modern astrophysics: the discovery of the expan sion of the Universe. Then came radioastronomy and the advent of electronics; the last thirty years have seen the application to astrophysics of a wealth of new experimental techniques, based on the most advanced fields of physics, and a constant interchange of ideas between physicists and astronomers. Last, but not least, modern computers have sharply reduced the burden of dealing with the information painfully extracted from the skies, whether from ever scarce photons, or from the gigantic data flows provided by satellites and large telescopes. The aim of this book is not to give an extensive overview of all the tech niques currently in use in astronomy, nor to provide detailed instructions for preparing or carrying out an astronomical project. Its purpose is methodologi cal: photons are still the main carriers of information between celestial sources and the observer. How we are to collect, sample, measure, and store this infor mation is the unifying theme of the book. Rather than the diversity of tech niques appropriate for each wavelength range, we emphasize the physical and mathematical bases which are common to all wavelength regimes.
Book Synopsis The Heavy Elements by : J. E. Fergusson
Download or read book The Heavy Elements written by J. E. Fergusson and published by Pergamon. This book was released on 1990 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text provides a broad survey of the ten heavier elements of the p-block, which have a number of features in common as well as displaying periodic trends. Full comprehension of the chemistry of the elements is necessary before complete understanding of environmental and health effects is possible. In many texts, however, basic chemistry is avoided as too complex or uninteresting. The author's approach in this case is to use the disciplines of health and environmental science to enhance understanding of the chemistry and to provide students with an integrated approach to the influence of the elements on the world. Information is provided on concentrations, sources and speciation of the heavy elements and their effects on the health of human beings. The text is intended to stimulate students to investigate further aspects of the heavy elements, and contribute to this young but rapidly growing field.
Book Synopsis Heavy Metals by : Hosam El-Din M. Saleh
Download or read book Heavy Metals written by Hosam El-Din M. Saleh and published by BoD – Books on Demand. This book was released on 2018-06-27 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fundamental societal changes resulted from the necessity of people to get organized in mining, transporting, processing, and circulating the heavy metals and their follow-up products, which in consequence resulted in a differentiation of society into diversified professions and even societal strata. Heavy metals are highly demanded technological materials, which drive welfare and progress of the human society, and often play essential metabolic roles. However, their eminent toxicity challenges the field of chemistry, physics, engineering, cleaner production, electronics, metabolomics, botany, biotechnology, and microbiology in an interdisciplinary and cross-sectorial manner. Today, all these scientific disciplines are called to dedicate their efforts in a synergistic way to avoid exposure of heavy metals into the eco- and biosphere, to reliably monitor and quantify heavy metal contamination, and to foster the development of novel strategies to remediate damage caused by heavy metals.
Book Synopsis Measurement of Neutron Spectra from (p,n) Reactions in Heavy Elements by : Robert P. Dittman
Download or read book Measurement of Neutron Spectra from (p,n) Reactions in Heavy Elements written by Robert P. Dittman and published by . This book was released on 1950 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
