Electron Impact Dissociation of Oxygen-containing Molecules PDF Download
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 103
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 103
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Author: John Lewis Wilson
Publisher:
ISBN:
Category : Electric discharges through gases
Languages : en
Pages : 26
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Author: Roland N. Pittman
Publisher: Biota Publishing
ISBN: 1615047212
Category : Medical
Languages : en
Pages : 117
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Book Description
This presentation describes various aspects of the regulation of tissue oxygenation, including the roles of the circulatory system, respiratory system, and blood, the carrier of oxygen within these components of the cardiorespiratory system. The respiratory system takes oxygen from the atmosphere and transports it by diffusion from the air in the alveoli to the blood flowing through the pulmonary capillaries. The cardiovascular system then moves the oxygenated blood from the heart to the microcirculation of the various organs by convection, where oxygen is released from hemoglobin in the red blood cells and moves to the parenchymal cells of each tissue by diffusion. Oxygen that has diffused into cells is then utilized in the mitochondria to produce adenosine triphosphate (ATP), the energy currency of all cells. The mitochondria are able to produce ATP until the oxygen tension or PO2 on the cell surface falls to a critical level of about 4–5 mm Hg. Thus, in order to meet the energetic needs of cells, it is important to maintain a continuous supply of oxygen to the mitochondria at or above the critical PO2 . In order to accomplish this desired outcome, the cardiorespiratory system, including the blood, must be capable of regulation to ensure survival of all tissues under a wide range of circumstances. The purpose of this presentation is to provide basic information about the operation and regulation of the cardiovascular and respiratory systems, as well as the properties of the blood and parenchymal cells, so that a fundamental understanding of the regulation of tissue oxygenation is achieved.
Author:
Publisher: Academic Press
ISBN: 0128003014
Category : Science
Languages : en
Pages : 473
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Book Description
Advances in Atomic, Molecular, and Optical Physics publishes reviews of recent developments in a field that is in a state of rapid growth, as new experimental and theoretical techniques are used on many old and new problems. Topics covered include related applied areas, such as atmospheric science, astrophysics, surface physics and laser physics. Articles are written by distinguished experts and contain relevant review material and detailed descriptions of important recent developments. - International experts - Comprehensive articles - New developments
![Energy Spectra of Metastable Oxygen Atoms Produced by Electron Impact Dissociation of O[subscript 2] PDF](https://books.google.com/books/content/images/frontcover/ejxaywAACAAJ?fife=w80-h100)
Author: Walter Ludwig Borst
Publisher:
ISBN:
Category : Dissociation
Languages : en
Pages : 50
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Author:
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ISBN:
Category :
Languages : en
Pages :
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The broad aim of the present work was to improve our understanding of dissociative electron attachment (DEA) processes mediated by Feshbach resonances. DEA represents an important class of processes leading to electron-driven chemical change. Depending on the nature of the resonance (the transient negative ion) which mediates it, DEA processes can be divided into several types. Out of these, the DEA processes mediated by Feshbach resonances (FR) are probably the least understood. The FR mediated DEA processes occur at electron energies in the 6- 15 eV range, and are very important, both because they occur in most compounds where DEA was studied and because they often have substantial cross sections. Very little is generally known about the specific assignment of the resonances responsible for these DEA bands, and even less is known about the mechanisms of the dissociation. At the same time this group of DEA bands is often responsible for a significant fraction of the electron-induced chemistry. Bands in this energy range have been reported in the electron-induced damage in DNA, suggesting that these Feshbach-type resonances may be responsible even for electron-induced chemistry in condensed-phase biomolecules. A primarily experimental approach was chosen, where DEA spectra were measured for many related compounds, permitting the identification of trends in fragmentation patterns and phenomena like site and state selectivity. The experimental approach is emphasized because current resonant theories are far from being able to describe Feshbach resonances in polyatomic molecules with a sufficient accuracy to draw conclusions about dissociation mechanisms (with a notable exception of a recent series of studies on DEA in H2O [1, 2]). This study concentrates on saturated compounds, because the absence of low-lying unoccupied valence orbitals in saturated compounds simplifies the identification of Feshbach resonances which involve double occupation of Rydberg-like orbitals.
Author: Oddur Ingólfsson
Publisher: CRC Press
ISBN: 0429608284
Category : Science
Languages : en
Pages : 434
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Book Description
Low-energy electrons are ubiquitous in nature and play an important role in natural phenomena as well as many potential and current industrial processes. Authored by 16 active researchers, this book describes the fundamental characteristics of low-energy electron–molecule interactions and their role in different fields of science and technology, including plasma processing, nanotechnology, and health care, as well as astro- and atmospheric physics and chemistry. The book is packed with illustrative examples, from both fundamental and application sides, features about 130 figures, and lists over 800 references. It may serve as an advanced graduate-level study course material where selected chapters can be used either individually or in combination as a basis to highlight and study specific aspects of low-energy electron–molecule interactions. It is also directed at researchers in the fields of plasma physics, nanotechnology, and radiation damage to biologically relevant material (such as in cancer therapy), especially those with an interest in high-energy-radiation-induced processes, from both an experimental and a theoretical point of view.
Author: Yoshihiko Hatano
Publisher: CRC Press
ISBN: 1439811806
Category : Science
Languages : en
Pages : 1068
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Book Description
Building on Mozumder's and Hatano's Charged Particle and Photon Interactions with Matter: Chemical, Physicochemical, and Biological Consequences with Applications (CRC Press, 2004), Charged Particle and Photon Interactions with Matter: Recent Advances, Applications, and Interfaces expands upon the scientific contents of the previous volume by cover
Author: Philip C. Cosby
Publisher:
ISBN:
Category : Chemical kinetics
Languages : en
Pages :
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Book Description
Absolute cross sections were measured for the electron-impact dissociation of simple molecules using a novel fast beam technique with multicoincident detection of the dissociation fragments. Translational energy released in the dissociation and product mass ratios were explicitly measured, allowing a detailed understanding of the dissociation mechanisms. The technique was applied to the molecules of nitrogen, oxygen, carbon monoxide, carbon dioxide, nitrogen dioxide, chlorine, and other molecules. A detailed description of the measurement technique is presented together with the measured data.
Author: Geoffrey Allcock
Publisher:
ISBN:
Category :
Languages : en
Pages : 310
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