Download or read book Free Radical in Astrophysics written by Polydore Swings and published by . This book was released on 1969 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Techniques in Free Radical Research written by A.T. Diplock and published by Elsevier. This book was released on 1991-12-11 with total page 309 pages. Available in PDF, EPUB and Kindle. Book excerpt: Free radical species are generally short-lived due to their high reactivity and thus direct measurement and identification are often impossible. ESR is the only technique which has the potential for direct detection of radicals but in biological systems even these must be trapped by a spin-trapping agent. Thus most investigations involve recognition of indicators of the presence of radicals in vivo or "FOOTPRINTS" of radical-mediated damage. Techniques in Free Radical Research assembles and critically assesses the most relevant and reliable experimental approaches used towards the measurement of radicals and radical-mediated damage in chemical systems, in cells and in tissues under the following six headings: a) Footprints of DNA damage, b) Footprints of protein damage, c) Footprints of lipid peroxidation, d) Footprints of antioxidant consumption, e) Footprints via indirect radical assays, and f) Footprints via the availability of transition metal complexes.
Download or read book Molecules in Astrophysics Probes and Processes written by International Astronomical Union. Symposium and published by Springer Science & Business Media. This book was released on 1997-04-30 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the 178th Symposium of the International Astronomical Union held in Leiden, The Netherlands, July 1-5, 1996
Download or read book Solid State Astrophysics written by N.C. Wickramasinghe and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past decade the study of the formation and properties of interstellar grains has assumed a growing importance, going much beyond what might have been guessed only a few years ago. It has come to be understood that grains playa role in processes other than the simple absorption and scattering of starlight, which was all that the astronomers of a generation aga considered to be their relevance. Grains indeed playa critical role in controlling the temperature, composition, and states of aggregation of the whole interstellar medium. Among the still mysterious problems is the origin of the vast clouds of obscuring material that is observed in radiogalaxies like NGC 5128 and M 82, which may weIl be associated with the explosions of very massive objects. It is safe to say that from this growing field of study much still remains to be dis covered. The topics discussed in this volume will make clear to the reader the range and versatility of the subjects. F. HOYLE FOREWORD by THE PRINCIPAL The Symposium on Solid State Astrophysics held in July 1974 brought to University College Cardiff a large and very distinguished gathering of astronomers. It was the first time that such a collection of scholars, absorbed with the problem of the systems of outer space, had collected together in Wales, and so provided a splendid spring board for the researches of the newly founded group of astronomers in the Department of Applied Mathematics and Astronomy at University College.
Download or read book Basic Concepts Viewed from Frontier in Inorganic Coordination Chemistry written by Takashiro Akitsu and published by BoD – Books on Demand. This book was released on 2018-12-19 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is both a review of current research and an undergraduate textbook for inorganic chemistry at university level. In university undergraduate lectures, basic concepts are mainly explained and added examples of frontier research are optional. However, in many cases, frontier research is more interesting for students than basic studies. This book is aimed at undergraduates in inorganic chemistry. Each author introduces or reviews "frontier research topics" of inorganic coordination chemistry. Additionally, "basic concepts," as found in textbooks on this subject, indicate application examples of "frontier research topics."
Download or read book Publications of Goddard Space Flight Center written by Goddard Space Flight Center and published by . This book was released on with total page 1682 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Formation and Trapping of Free Radicals written by and published by . This book was released on 1960 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Maser Sources in Astrophysics written by Malcolm Gray and published by Cambridge University Press. This book was released on 2012-04-26 with total page 431 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written for postgraduates and researchers, this is an up-to-date survey of astrophysical maser sources and their use as astronomical tools.
Download or read book Handbook of High resolution Spectroscopy written by Martin Quack and published by John Wiley & Sons. This book was released on 2011-09-26 with total page 2236 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of High-Resolution Spectroscopy has been considerably extended and even redefined in some areas. Combining the knowledge of spectroscopy, laser technology, chemical computation, and experiments, Handbook of High-Resolution Spectroscopy provides a comprehensive survey of the whole field as it presents itself today, with emphasis on the recent developments. This essential handbook for advanced research students, graduate students, and researchers takes a systematic approach through the range of wavelengths and includes the latest advances in experiment and theory that will help and guide future applications. The first comprehensive survey in high-resolution molecular spectroscopy for over 15 years Brings together the knowledge of spectroscopy, laser technology, chemical computation and experiments Brings the reader up-to-date with the many advances that have been made in recent times Takes the reader through the range of wavelengths, covering all possible techniques such as Microwave Spectroscopy, Infrared Spectroscopy, Raman Spectroscopy, VIS, UV and VUV Combines theoretical, computational and experimental aspects Has numerous applications in a wide range of scientific domains Edited by two leaders in this field Provides an overview of rotational, vibration, electronic and photoelectron spectroscopy Volume 1 - Introduction: Fundamentals of Molecular Spectroscopy Volume 2 - High-Resolution Molecular Spectroscopy: Methods and Results Volume 3 - Special Methods & Applications
Download or read book Molecular Astrophysics written by Geerd H.F. Diercksen and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 741 pages. Available in PDF, EPUB and Kindle. Book excerpt: and In the IAU Symposium of 1979 devoted to interstellar molecules [8]. Excellent relevant monographs [ 9. 10] . related timely proceedings [ 11] . and recently published elementary textbooks [12. 13] further help to define the pedagogical scope of molecular astrophysics. A significant financial investment has been made in the establishment of ground- and satellite-based observationai facilities for molecuiar astrophysical studies. In the coming years. a wealth of experimental data is bound to accumulate. in which connection close interactions between observers. astrophysical modeliers. and molecular physicists and chemists can play a helpful role in analysis and interpretation. In view of the increasing pace of activity in the field of molecular astrophysics. and in the apparent absence of relevant international meetings since the Liege 1977 and IAU 1979 Symposia. it was deemed appropriate and timely by the organizers to hold a workshop in 1984. Consequently. the NATO Advanced Research Workshop. "Molecular Astrophysics State of the Art and Future Directions". was organized and held at Bad Wlndshelm. West Germany. from 8 to 14 July 1984. The choice of speakers and subject matter of the Workshop was largely subjective. but designed to include most of the generally accepted areas of molecular astrophysical study. Workers from the fields of radio. infrared. and uv-optlcal observations. astrophysical modelling. laboratory spectroscopy. reaction chemistry. collision physics. and theoretical molecular physics and chemistry. were Invited to present survey lectures In their areas of speciality. In addition.
Download or read book Polycyclic Aromatic Hydrocarbons and Astrophysics written by A. Léger and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 405 pages. Available in PDF, EPUB and Kindle. Book excerpt: The near Infra-Red emission of the Interstellar Medium is a very puzzling subject. In the brightest regions, where spectroscopic observa tions are possible from the ground, several bands (3.3 - 3.4 - 6.2 - 7.7 - 8.6 - 11.3 ~m) have been observed since 1973. The absence of satisfying explanation was so obvious that they were called "Unidenti fied IR Emission Bands". The puzzle still increased when were known the first results of the general IR sky survey made by the satellite IRAS. On a large scale, the near IR emission of the Interstellar medium was expected to be very small but it was observed to be about one third of the total IR emission for our own galaxy ..• The situation has moved in 1984 when it was suggested that a class of stable organic molecules, the Polycyclic Aromatic Hydrocarbons (PAH's) could be at the origin of this near IR emission. Initially based on the required refractory character of particules that should be heated to high temperature without subliming, this hypothesis leads to a sugges tive spectroscopic similarity with the observed astronomical bands. This hypothesis is attractive and it has many implications, for ins tance, the PAHs would be the most abundant organic molecules in the universe. However, many points have to be clarified and the different consequences of this suggestion should be explored.
Download or read book NIST Special Publication written by and published by . This book was released on 2000 with total page 1044 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Frontiers of Astrophysics written by Eugene H. Avrett and published by Harvard University Press. This book was released on 1976 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the most vigorous sciences of our time, astrophysics constantly changes under the impact of new discoveries about everything from our own sun to the most distant and exotic of extragalactic phenomena. In chapters written especially for this volume, twelve distinguished scientists actively pursuing astrophysical research offer up-to-date reviews and commentary on new developments in their fields. With a little grounding in astronomy or physics, the reader will find this book an invaluable source of basic information on the most recent work in this field. Frontiers of Astrophysics can be used as classroom reading, either as a main text or as supplementary reading in astronomy or physics courses, and it can be read with profit by anyone who wants current knowledge presented without complex mathematical arguments. Published within months after the contributions were written, this book is the most convenient and contemporary source on these topics: formation of the solar system (W.R. Ward); new developments in solar research (R. W. Noyes); early phases of stellar evolution (S.E. Storm); endpoints of stellar evolution (A.G.W. Cameron); neutron stars, black holes and supernocvae (H. Gursky); infrared astronomy (G.G. Fazio); gaseous nebulae and their interstellar environment (E.K. Chaisson); chemistry of the interstellar medium (A. Dalgarno); radio observations of galactic masers (J.M. Moran): active galaxies (K. Brecher); galaxies and cosmology (M. Davis); the mass of the universe and intergalactic matter (G.B. Field).
Download or read book Measurements and Standards in Plasma physics and Astrophysics at the National Bureau of Standards written by Lewis N. Branscomb and published by . This book was released on 1960 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: The National Bureau of Standards has embarked on a special program to unify and accelerate its research on hot gases. This work will provide data and theory presently required for the quantitative interpretation of astrophysical and geophysical observations and the measurement of properties of plasmas in the laboratory. The data, measurement techniques, and theoretical methods of analysis draw on activities in the fields on atomic and molecular physics, statistical mechanics and thermodynamics, fluid mechanics, and theoretical astrophysics and geophysics. Both the Washington and Boulder laboratories of the NBS are participating. This note describes the technical objectives of the program and includes in appendices a selected list of papers published at the NBS for the period 1955-1959 and a partial list of Bureau participants.
Download or read book Molecular Astrophysics written by A. G. G. M. Tielens and published by Cambridge University Press. This book was released on 2021-02-04 with total page 667 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ideal for advanced students, this comprehensive overview of molecular astrophysics bridges physics, astronomy, and physical chemistry.
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1970 with total page 1774 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Progress in Chemical and Biochemical Physics Kinetics and Thermodynamics written by Gennadiĭ Efremovich Zaikov and published by Nova Publishers. This book was released on 2008 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents significant research on antioxidants for chemistry and biology, kinetics and mechanisms of molecular, radical and ion reactions in chemistry and biochemistry, chemistry of ozone (reactions of ozone with organic and inorganic compounds, action of antiozonants), application of electron magnetic resonance and nuclear magnetic resonance in chemistry and biology, investigations of the structure and properties of nanocomposites (nanotubes, particularly), investigations on the structure and properties of nanocomposites (nanotubes, particularly), investigations of heterogeneous-heterophases mechanisms of reaction in polymer matrix, preparation and using of organic papanagnets for investigation of radical reactions in chemistry and biology, investigation of kinetic parameters in biochemical reactions, new designs for processing, mechanisms of oxidation and stabilisation of organic compounds (including polymers), polymer blends, composites and filled polymers (preparation, properties and application), and information about genetic construction, reactions with participants of enzymes.
