Reactive And Flexible Molecules In Liquids
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Reactive And Flexible Molecules In Liquids
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Author : Th. Dorfmüller
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Reactive And Flexible Molecules In Liquids written by Th. Dorfmüller and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
The observable phenomena in liquids ",hich distinguishes this state of matter from other types of condensed matter can be mainly assigned to a) the configurational disorder and b) the random motion of molecules. Both, the static and the dynamic aspect of randomness are typical for the liquid state and serve as a useful guideline in the attempts to theoretically understand this state. These two basic features, however, introduce in liquid state theory a number of apparently unsurmountable technical and conceptual problems so that progress in the last decades has only been made by small steps. In order not to complicate the situation even more, the tacit assumption was made that we could neglect internal motions of the molecules and that the molecular interactions which had to be taken into account are as simple as possible. We thus became accustomed to visualize molecules in the liquid as a dense assembly of classical rigid particles interacting with a potential which basically is represented by a Lennard-Jones type relation. In the last decade, it has become obvious that with these restrictions we dis regard many interesting effects in those liquids which are the most important ones. We thus see a serious gap developing between the refinements of liquid state theory and the exciting experiments being carried out in many laboratories.
Reactive And Flexible Molecules In Liquids
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Author : Th Dorfmuller
language : en
Publisher:
Release Date : 1989-10-31
Reactive And Flexible Molecules In Liquids written by Th Dorfmuller and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989-10-31 with categories.
Molecular Liquids New Perspectives In Physics And Chemistry
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Author : José Teixeira
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Molecular Liquids New Perspectives In Physics And Chemistry written by José Teixeira and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
In its combination of an advanced teaching standpoint with an emphasis on new perspectives and recent advances in the study of liquids formed by simple molecules, Molecular Liquids: New Perspectives in Physics and Chemistry provides a clear, understandable guide through the complexities of the subject. A wide range of topics is covered in the areas of intermolecular forces, statistical mechanics, the microscopic dynamics of simple liquids, thermodynamics of solutions, nonequilibrium molecular dynamics, molecular models for transport and relaxation in fluids, liquid simulations, statistical band shape theories, conformational studies, fast-exchange dynamics, and hydrogen bonding. The experimental techniques covered include: neutron scattering, X-ray diffraction, IR, Raman, NMR, quasielastic neutron scattering, and high-precision, time-resolved coherent Raman spectroscopy.
The Molecular Dynamics Of Liquid Crystals
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Author : G.R. Luckhurst
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
The Molecular Dynamics Of Liquid Crystals written by G.R. Luckhurst and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Liquid-crystalline phases are now known to be formed by an ever growing range of quite diverse materials, these include those of low molecular weight as well as the novel liquid-crystalline polymers, such phases can also be induced by the addition of a solvent to amphiphilic systems leading to lyotropic liquid crystals. Irrespective of the structure of the constituent molecules these numerous liquid-cl)'Stailine phases are characterised by their long range orientational order. In addition certain phases exhibit elements of long range positional order. Our understanding, both experimental and theoretical, at the molecular level of the static behaviour of these fascinating and important materials is now well advanced. In contrast the influence of the long range order; both orientational and positional, on the molecular dynamics in liquid Cl)'Stais is less well understood. In an attempt to address this situation a NATO Advanced Study Institute devoted to liquid ctystal dynamics was held at n Ciocco, Barga, Italy in September 1989. This brought together experimentalists and theoreticians concerned with the various dynamical processes occurring in all liquid crystals. The skills of the participants was impressively wide ranging; they spanned the experimental techniques used in the study of molecular dynamics, the nature of the systems investigated and the theoretical models employed to understand the results. While much was learnt it was also recognised that much more needed to be done in order to advance our understanding of molecular dynamics in liquid Cl)'Stais.
Research In Progress
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Author : United States. Army Research Office
language : en
Publisher:
Release Date : 1990
Research In Progress written by United States. Army Research Office and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Military research categories.
Vols. for 1977- consist of two parts: Chemistry, biological sciences, engineering sciences, metallurgy and materials science (issued in the spring); and Physics, electronics, mathematics, geosciences (issued in the fall).
Collision And Interaction Induced Spectroscopy
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Author : G.C. Tabisz
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Collision And Interaction Induced Spectroscopy written by G.C. Tabisz and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Collision-or interaction-induced spectroscopy refers to radiative transitions, which are forbidden in free atoms or molecules, but which occur in clusters of interacting atoms or molecules. The most common phenomena are induced absorption, in the infrared region, and induced light scattering, which involves inelastic scattering of visible laser light. The particle interactions giving rise to the necessary induced dipole moments and polarizabilities are modelled at long range by multipole expansions; at short range, electron overlap and exchange mechanisms come into play. Information on atomic and molecular interactions and dynamics in dense media on a picosecond timescale may be drawn from the spectra. Collision-induced absorption in the infrared was discovered at the University of Toronto in 1949 by Crawford, Welsh and Locke who studied liquid O and N. Through the 1950s and 1960s, 2 2 experimental elucidation of the phenomenon, particularly in gases, continued and theoretical underpinnings were established. In the late 1960s, the related phenomenon of collision-induced light scattering was first observed in compressed inert gases. In 1978, an 'Enrico Fermi' Summer School was held at Varenna, Italy, under the directorship of J. Van Kranendonk. The lectures, there, reviewed activity from the previous two decades, during which the approach to the subject had not changed greatly. In 1983, a highly successful NATO Advanced Research Workshop was held at Bonas, France, under the directorship of G. Birnbaum. An important outcome of that meeting was the demonstration of the maturity and sophistication of current experimental and theoretical techniques.
Physics Briefs
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Author :
language : en
Publisher:
Release Date : 1990
Physics Briefs written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Physics categories.
Research In Progress
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Author :
language : en
Publisher:
Release Date : 1990
Research In Progress written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Military research categories.
Polymer Modified Liquid Crystals
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Author : Ingo Dierking
language : en
Publisher: Royal Society of Chemistry
Release Date : 2019-01-03
Polymer Modified Liquid Crystals written by Ingo Dierking and has been published by Royal Society of Chemistry this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-01-03 with Technology & Engineering categories.
Bridging soft matter physics, materials science and engineering, polymer-modified liquid crystals are an exciting class of materials. They represent a vibrant field of research, promising advances in display technologies, as well as non-display uses. Describing all aspects of polymer-dispersed and polymer-stabilized liquid crystals, the broad coverage of this book makes it a must-have resource for anyone working in the area. The reader will find expert accounts covering basic concepts, materials synthesis and polymerization techniques, properties of various dispersed and stabilized phases, and critical overviews of their applications. Written by leaders in the field, this book provides a state-of-the-art treatment of the topic. It will be essential reading for graduate students, as well as academic and industrial researchers needing an up-to-date guide to the field.
Reactivity In Molecular Crystals
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Author : Yuji Ohashi
language : en
Publisher: John Wiley & Sons
Release Date : 2008-09-26
Reactivity In Molecular Crystals written by Yuji Ohashi and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-09-26 with Science categories.
Do you need to design syntheses that are * highly selective * fast * enantioselective with quantitative enantiomeric yield? This book describes in detail how best to exploit the enormous synthetic potential of solid state reactions. Written by leading experts, it provides in-depth information on * the theoretical and physico-chemical approach to solid state reactions * solid-to-solid organic reactions * stereoselective solid state photoreactions * reactivity and crystal structure An ideal companion to Dunitz and Bürgi's 'Structure Correlation', this book will be highly useful to synthetic organic chemists, stereochemists, crystallographers, and solid-state chemists