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Author : Monique Drouin
Publisher :
ISBN 13 :
Total Pages : 248 pages
Book Rating : 4.:/5 (493 download)
Download or read book Contribution à l'étude des plasmas partiellement ionisés hors d'équilibre written by Monique Drouin and published by . This book was released on 1967 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : ALBERT.. CORNET
Publisher :
ISBN 13 :
Total Pages : 155 pages
Book Rating : 4.:/5 (49 download)
Download or read book CONTRIBUTION A L'ETUDE DES PLASMAS ELECTRON-TROU HORS EQUILIBRE DANS LES GAPS DIRECTS written by ALBERT.. CORNET and published by . This book was released on 1983 with total page 155 pages. Available in PDF, EPUB and Kindle. Book excerpt: ETUDE THEORIQUE ET EXPERIMENTALE DE LA RELAXATION DU SYSTEME ELECTRON-TROU DISSOCIEES CREEES PAR L'EXCITATION LASER. IL FAUT TENIR COMPTE DANS LE MODELE THEORIQUE DE L'EFFET D'ECRAN DE L'INTERACTION ELECTRON PHONON. APPLICATION A CDS ET CDSE
Author : Hugues Hingana
Publisher :
ISBN 13 :
Total Pages : 166 pages
Book Rating : 4.:/5 (8 download)
Download or read book Contribution à l'étude des propriétés des plasmas à deux températures written by Hugues Hingana and published by . This book was released on 2010 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dans le domaine des plasmas thermiques, de nombreux procédés industriels sont caractérisés en supposant l'équilibre thermique. Cependant ces conditions d'équilibre ne sont pas remplies près des bords des plasmas crées par des arcs électriques ou des jets de plasmas. Les écarts à l'équilibre modifient alors considérablement la cinétique chimique du milieu et peuvent affecter le procédé étudié. La compréhension, l'analyse et la prédiction de ces procédés demandent alors une modélisation physique du plasma à deux températures (2T). Cette modélisation s'appuie sur le calcul préalable des propriétés du plasma 2T, calcul qui fait l'objet de cette thèse. La première partie de ce travail est consacrée au calcul de la composition d'un plasma à 2T. Il existe dans la littérature plusieurs théories permettant de calculer les densités des espèces pour un plasma hors équilibre mais l'originalité de ce travail se trouve dans l'établissement d'une loi " pseudo cinétique " régissant le peuplement des espèces. La seconde partie concerne le calcul des propriétés thermodynamiques. Elle s'appuie sur une étude bibliographique des méthodes de calcul déjà existantes et des données indispensables à l'obtention de telles propriétés. Un effort particulier est fait pour séparer les contributions des électrons et celles des particules lourdes dans les échanges d'énergie. La dernière partie de cette thèse est dédiée aux calculs des coefficients de transport. Nous évoquons les grandes lignes de calculs des propriétés intermédiaires avant de présenter les différentes théories existantes dans la littérature. Tous les résultats ont été validés par confrontation du calcul à l'ETL avec la littérature.
Author : Pierre Bertrand
Publisher :
ISBN 13 :
Total Pages : 157 pages
Book Rating : 4.:/5 (489 download)
Download or read book Contribution à l'étude de modèles mathématiques de plasmas non collisionnels written by Pierre Bertrand and published by . This book was released on 1972 with total page 157 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Dans ce travail, nous appelerons plasma, un gaz complément ionisé et formé seulement de deux types de particules : les électrons et les ions. Un tel milieu est susceptible de présenter une grande variété de mouvements oscillatoires. Si nous ne nous intéressons qu'à la partie haute-fréquence du spectre d'oscillations du plasma, celui-ci pourra être assimilé à un gaz de N électrons baignant dans un continuum chargé positivement, et formé par les ions, qui du fait de leur grande inertie restent immobiles [...]. Dans une première partie, après avoir précisé le champ d'application de l'équation de Vlasov nous examinerons les principales difficultés de cette équation non linéaire. Nous verrons alors comment la notion de modèle, qui consiste à simplifier le problème dès le début en introduisant certaines hypothèses, permet de traiter ce problème d'une manière rigoureuse, en contrôlant les hypothèses faites. Un tel modèle a été récemment introduit en physique théorique des plasmas, et a donné lieu à de nombreux travaux analytiques et numériques. C'est le modèle du "water bag", dont nous donnerons les principales propriétés dans le 2ème chapitre. Dans les chapitre suivants, nous montrerons comment ce modèle permet d'aborder de façon fructueuse les 3 groupes de problèmes théoriques qui se posent lors de l'étude des effets collectifs dans les plasmas : analyse linéarisée d'un plasma homogène ; effets non linéaires, et plus précisément étude des faibles non-linéarités autour d'un équilibre spatialement homogène ; étude des oscillations de plasma en milieu inhomogène, et en particulier, recherche de la stabilité d'équilibres inhomogènes."
Author : Claude Bonnefoi
Publisher :
ISBN 13 :
Total Pages : 331 pages
Book Rating : 4.:/5 (799 download)
Download or read book Contribution à l'étude des méthodes de résolution de l'équation de Boltzmann dans un plasma à deux températures written by Claude Bonnefoi and published by . This book was released on 1983 with total page 331 pages. Available in PDF, EPUB and Kindle. Book excerpt: METHODE DE CALCUL DE LA COMPOSITION, LES COEFFICIENTS DE TRANSPORT D'UN MELANGE GAZEUX PARTIELLEMENT IONISE, A LA PRESSION ATMOSPHERIQUE, DONC DU TYPE PLASMA HAUTE PRESSION. ON RESOUT LES EQUATIONS DE BOLTZMANN PAR UNE METHODE ANALOGUE A CELLE DE CHAPMAN-ENSKOG, MAIS CETTE FOIS ENTIEREMENT HORS EQUILIBRE. LES PROCESSUS NON ELASTIQUES SONT ETUDIES ENTIEREMENT HORS EQUILIBRE. LA METHODE EST APPLIQUEE A UN MELANGE ARGON-HYDROGENE (POUR T::(E) VARIANT DE 5000 A 15000 K PAR PAS DE 100 K ET T::(E)/T::(B) VARIANT PAR VALEURS ENTIERES DE 1 A 10), ET LES RESULTATS NUMERIQUES SONT DONNES SOUS FORME DE COURBES
Author : Claude Cohen-Tannoudji
Publisher : John Wiley & Sons
ISBN 13 : 3527345558
Total Pages : 790 pages
Book Rating : 4.5/5 (273 download)
Download or read book Quantum Mechanics, Volume 3 written by Claude Cohen-Tannoudji and published by John Wiley & Sons. This book was released on 2019-12-16 with total page 790 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new, third volume of Cohen-Tannoudji's groundbreaking textbook covers advanced topics of quantum mechanics such as uncorrelated and correlated identical particles, the quantum theory of the electromagnetic field, absorption, emission and scattering of photons by atoms, and quantum entanglement. Written in a didactically unrivalled manner, the textbook explains the fundamental concepts in seven chapters which are elaborated in accompanying complements that provide more detailed discussions, examples and applications. * Completing the success story: the third and final volume of the quantum mechanics textbook written by 1997 Nobel laureate Claude Cohen-Tannoudji and his colleagues Bernard Diu and Franck Laloë * As easily comprehensible as possible: all steps of the physical background and its mathematical representation are spelled out explicitly * Comprehensive: in addition to the fundamentals themselves, the books comes with a wealth of elaborately explained examples and applications Claude Cohen-Tannoudji was a researcher at the Kastler-Brossel laboratory of the Ecole Normale Supérieure in Paris where he also studied and received his PhD in 1962. In 1973 he became Professor of atomic and molecular physics at the Collège des France. His main research interests were optical pumping, quantum optics and atom-photon interactions. In 1997, Claude Cohen-Tannoudji, together with Steven Chu and William D. Phillips, was awarded the Nobel Prize in Physics for his research on laser cooling and trapping of neutral atoms. Bernard Diu was Professor at the Denis Diderot University (Paris VII). He was engaged in research at the Laboratory of Theoretical Physics and High Energy where his focus was on strong interactions physics and statistical mechanics. Franck Laloë was a researcher at the Kastler-Brossel laboratory of the Ecole Normale Supérieure in Paris. His first assignment was with the University of Paris VI before he was appointed to the CNRS, the French National Research Center. His research was focused on optical pumping, statistical mechanics of quantum gases, musical acoustics and the foundations of quantum mechanics.
Author : Bernard Bourdon
Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 1501509306
Total Pages : 676 pages
Book Rating : 4.5/5 (15 download)
Download or read book Uranium-series Geochemistry written by Bernard Bourdon and published by Walter de Gruyter GmbH & Co KG. This book was released on 2018-12-17 with total page 676 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 52 of Reviews in Mineralogy and Geochemistry updates our knowledge of U-series geochemistry, offer an opportunity for non-specialists to understand its basic principles, and give us a view of the future of this active field of research. In this volume, for the first time, all the methods for determining the uranium and thorium decay chain nuclides in Earth materials are discussed. It was prepared in advance of a two-day short course (April 3-4, 2003) on U-series geochemistry, jointly sponsored by GS and MSA and presented in Paris, France prior to the joint EGS/AGU/EUG meeting in Nice.
Author : Ursula Jakob
Publisher : Springer Science & Business Media
ISBN 13 : 9400757875
Total Pages : 488 pages
Book Rating : 4.4/5 (7 download)
Download or read book Oxidative Stress and Redox Regulation written by Ursula Jakob and published by Springer Science & Business Media. This book was released on 2013-03-15 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many physiological conditions such as host defense or aging and pathological conditions such as neurodegenerative diseases, and diabetes are associated with the accumulation of high levels of reactive oxygen species and reactive nitrogen species. This generates a condition called oxidative stress. Low levels of reactive oxygen species, however, which are continuously produced during aerobic metabolism, function as important signaling molecules, setting the metabolic pace of cells and regulating processes ranging from gene expression to apoptosis. For this book we would like to recruit the experts in the field of redox chemistry, bioinformatics and proteomics, redox signaling and oxidative stress biology to discuss how organisms achieve the appropriate redox balance, the mechanisms that lead to oxidative stress conditions and the physiological consequences that contribute to aging and disease.
Author : I. E. Coop
Publisher : Elsevier Science & Technology
ISBN 13 :
Total Pages : 520 pages
Book Rating : 4.:/5 (89 download)
Download or read book Sheep and Goat Production written by I. E. Coop and published by Elsevier Science & Technology. This book was released on 1982 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ecology and distribution; Breeding; Reproduction; Maintenance and growth; Pregnancy; Lactation of suckling ewes and does; Nutritional diseases; Infectious diseases of sheep and goats; Internal parasites of sheep and goats; External parasites of sheep and goats; Growth and characteristics of wool and hair; Wiik grading and marketing; Livestock and meat marketing and grading; Carcase and meat qualities; Milk production in sheep and goats; Systems, biological and economic efficiencies; Very extensive systems; Extensive grazing systems; Intensive grassland systems; Intensive arable systems; Very intensive systems; Government controlled systems; Migratory (Transhumance) systems; Nomadic systems; Village and smallholder systems; List of contributors.
Author :
Publisher :
ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.:/5 (319 download)
Download or read book Satellite Situation Report written by and published by . This book was released on 1978-12 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Émilie du Châtelet
Publisher :
ISBN 13 : 9781693596483
Total Pages : 58 pages
Book Rating : 4.5/5 (964 download)
Download or read book Reason, Illusion, and Passion written by Émilie du Châtelet and published by . This book was released on 2019-09-16 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: The amazing scientist, mathematician, philosopher Émilie du Châtelet (1706-49) has widely been hailed as a rare female intellectual in the Enlightenment. At the same time, her own ideas and contributions remain largely unknown and her writings are rarely read. This is unfortunate, since she has interesting contributions to and explanations of physics, metaphysics, religion, translation, the equality of the sexes, and ethics.This book is a selection of du Châtelet's philosophical writings, in new English translations: -Foreword to "Foundations of Physics"-On the Principles of Our Knowledge (From "Foundations of Physics")-On the Existence of God (From "Foundations of Physics")-On Liberty-Translator's Preface to Mandeville's "Fable of the Bees"-On the Resurrection of the Dead (from "Examinations of the Bible")-On Happiness
Author : Alain Reinberg
Publisher : CRC Press
ISBN 13 :
Total Pages : 268 pages
Book Rating : 4.3/5 (91 download)
Download or read book Clinical Chronopharmacology written by Alain Reinberg and published by CRC Press. This book was released on 1990-07 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Periodical and predictable changes in biological susceptibility and response to a large variety of chemical agents, including drugs and food, have been documented since the early 1970s. This book provides a survey of clinically-documented research in chronopharmacology.
Author : Jean-Paul Blaizot
Publisher : Mit Press
ISBN 13 : 9780262022149
Total Pages : 657 pages
Book Rating : 4.0/5 (221 download)
Download or read book Quantum Theory of Finite Systems written by Jean-Paul Blaizot and published by Mit Press. This book was released on 1986 with total page 657 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive and pedagogical account of the various methods used in the quantum theory of finite systems, including molecular, atomic, nuclear, and particle phenomena. Covering both background material and advanced topics and including nearly 200 problems, Quantum Theory of Finite Systems has been designed to serve primarily as a text and will also prove useful as a reference in research. The first of the book's four parts introduces the basic mathematical apparatus: second quantization, canonical transformations, Wick theorems and the resulting diagram expansions, and oscillator models. The second part presents mean field approximations and the recently developed path integral methods for the quantization of collective modes. Part three develops perturbation theory in terms of both time-dependent Feynman diagrams and time-independent Goldstone diagrams. A fourth part discusses variational methods based on correlated wavefunctions, including spin correlations. The approximation schemes are formulated for fermions and bosons at eigher zero or non-zero temperature. Although the formalism developed applies to both finite and infinite systems, the book stresses those aspects of the theory that are specific to the description of finite systems. Thus special attention is given to mean field approximations, the ensuing broken symmetries, and the associated collective motions such as rotations. Conversely, some specific features of systems with infinite numbers of degrees of freedom (such as the thermodynamic limit, critical phenomena, and the elimination of ultraviolet divergencies) are deliberately omitted. Jean-Paul Blaizot and Georges Ripka are associated with the Centre d'Etudes Nucleaires de Saclay.
Author : Gesellschaft für Biologische Chemie. Colloquium
Publisher :
ISBN 13 :
Total Pages : 224 pages
Book Rating : 4.3/5 (91 download)
Download or read book Molecular Mechanisms of Hormone Action written by Gesellschaft für Biologische Chemie. Colloquium and published by . This book was released on 1989 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gábor Földiák
Publisher :
ISBN 13 : 9780444416995
Total Pages : 564 pages
Book Rating : 4.4/5 (169 download)
Download or read book Industrial Application of Radioisotopes written by Gábor Földiák and published by . This book was released on 1986 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jacques Lafontaine
Publisher : Springer
ISBN 13 : 3319207350
Total Pages : 408 pages
Book Rating : 4.3/5 (192 download)
Download or read book An Introduction to Differential Manifolds written by Jacques Lafontaine and published by Springer. This book was released on 2015-07-29 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is an introduction to differential manifolds. It gives solid preliminaries for more advanced topics: Riemannian manifolds, differential topology, Lie theory. It presupposes little background: the reader is only expected to master basic differential calculus, and a little point-set topology. The book covers the main topics of differential geometry: manifolds, tangent space, vector fields, differential forms, Lie groups, and a few more sophisticated topics such as de Rham cohomology, degree theory and the Gauss-Bonnet theorem for surfaces. Its ambition is to give solid foundations. In particular, the introduction of “abstract” notions such as manifolds or differential forms is motivated via questions and examples from mathematics or theoretical physics. More than 150 exercises, some of them easy and classical, some others more sophisticated, will help the beginner as well as the more expert reader. Solutions are provided for most of them. The book should be of interest to various readers: undergraduate and graduate students for a first contact to differential manifolds, mathematicians from other fields and physicists who wish to acquire some feeling about this beautiful theory. The original French text Introduction aux variétés différentielles has been a best-seller in its category in France for many years. Jacques Lafontaine was successively assistant Professor at Paris Diderot University and Professor at the University of Montpellier, where he is presently emeritus. His main research interests are Riemannian and pseudo-Riemannian geometry, including some aspects of mathematical relativity. Besides his personal research articles, he was involved in several textbooks and research monographs.
Author : Sue Blattes
Publisher : L'Editeur : EDP Sciences
ISBN 13 : 9782868835888
Total Pages : 264 pages
Book Rating : 4.8/5 (358 download)
Download or read book Minimum competence in scientific English written by Sue Blattes and published by L'Editeur : EDP Sciences. This book was released on 2003 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cet ouvrage, devenu célèbre sous son sigle MCSE, a déjà été utilisé par plus de 50 000 étudiants, chercheurs, professionnels. L'objectif est de lire et écrire des textes en anglais scientifique avec facilité et pertinence. L'ouvrage est conçu pour que l'apprenant devienne un véritable utilisateur de l'anglais. La méthode originale repose sur l'analyse des fonctions et structures nécessaires : measurement, frequency, comparison, modification, link words, time, cause and consequence, hypothesis, modality, purpose and process, impersonal forms, compound nouns and adjectives. Dans chaque unit, des tests d'auto-évaluation permettent de se situer et de construire son parcours de formation, d'abord en définissant ses objectifs à l'aide des key points et du lexis, puis, de façon plus personnalisée, en puisant dans les examples in context, checkpoints (back to basics, word web), web search, FAQs... MCSE est l'outil de base d'une méthode qui comprend aussi d'autres outils dans la même collection (Listening Comprehension for Scientiflc English et Speaking Skills in Scientitic English). L'ouvrage est destiné à tout apprenant de niveau baccalauréat qui désire acquérir une réelle compétence dans l'écriture et la lecture de textes en anglais scientifique.
