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Book
The business of global energy transformation : saving billions through sustainable models
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ISBN: 1283737221 1137024496 Year: 2012 Publisher: London : Palgrave Macmillan UK : Imprint: Palgrave Macmillan,

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Abstract

One of the first books to analyze business and financial aspects of sustainable transport and fuels systems and provides novel insights for researchers, managers, and politicians who work in energy and sustainability related areas.


Book
XXIII International conference on photonic, electronic and atomic collisions : Stockholm university/Aula Magna, Stockholm, Sweden, July 23-29, 2003
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Year: 2004 Publisher: [Stockholm] : Royal Swedish Academy of Sciences,

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PAHs and the Universe
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ISBN: 2759824829 Year: 2021 Publisher: Les Ulis : EDP Sciences,

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Driven by ground-based, airborne, and IRAS observations, the PAH hypothesis was first formulated in the mid-eighties : the widespreas emission features in the 3-13 µm range are due to UV-pumped, IR fluorescence by large Polycyclic Aromatic Hydrocarbon molecules. These molecules are a ubiquitous component of the insterstellar medium both in local galaxies as well as out to redshifts of ~3 and probably beyond, play an important role in its physical and chemical characteristics, and form a key link between small hydrocarbon species and large carbonaceous grains. This book gathers contributions that reflect the evolution of the field over the last 25 years, taking advantage of IR space missions - ISO, Spitzer and AKARI - and of dedicated experimental and quantum-chemical studies. We have now reached a stage where we can develop these mid-infrared features as diagnostic tools to study star formation processes, protoplanetary disks as well as galaxy assemblage in the early Universe. The current Herschel/Planck area opens the possibility to better characterize the mid-IR carriers through their contribution to the far-IR and mm emissions. Still, much effort is required before we will fully understand the formation and nature of interstellar PAHs and their role in the Universe. Physical chemists can play an important role in driving this field. This book aims at discussing the state-of-the-art of the PAH hypothesis and to chart the future in this interdisciplinary field. It highlights the various aspects of interstellar PAHs: - Rich IR spectra of interstellar PAHs - PAHs and star formation in the near and far Universe - The lifecycle of PAHs in space - PAHs in regions of planet formation - PAHs and carbonaceous grains & Solar system materials.

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