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Contribution A Letude Du Comportement Dun Beton De Masse Affecte Par La Reaction Alcalis Silice
Download Contribution A Letude Du Comportement Dun Beton De Masse Affecte Par La Reaction Alcalis Silice full books in PDF, epub, and Kindle. Read online Contribution A Letude Du Comportement Dun Beton De Masse Affecte Par La Reaction Alcalis Silice ebook anywhere anytime directly on your device. Fast Download speed and no annoying ads. We cannot guarantee that every ebooks is available!
Book Synopsis Proceedings of the 17th International Conference on Alkali-Aggregate Reaction in Concrete by : Leandro F. M. Sanchez
Download or read book Proceedings of the 17th International Conference on Alkali-Aggregate Reaction in Concrete written by Leandro F. M. Sanchez and published by Springer Nature. This book was released on with total page 748 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Radioactive Waste Management and Regulation by : Mason Willrich
Download or read book Radioactive Waste Management and Regulation written by Mason Willrich and published by . This book was released on 1977 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discusses the nature of post-fission radioactive waste, the operations that spent fuel goes through after it is discharged from a reactor, and the problem of waste management.
Book Synopsis Notes of a Botanist on the Amazon & Andes by : Richard Spruce
Download or read book Notes of a Botanist on the Amazon & Andes written by Richard Spruce and published by . This book was released on 1908 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Food and Agriculture Organization of the United Nations Publisher :Food & Agriculture Org. ISBN 13 :9789251055212 Total Pages :116 pages Book Rating :4.0/5 (552 download)
Book Synopsis Guidelines for Soil Description by : Food and Agriculture Organization of the United Nations
Download or read book Guidelines for Soil Description written by Food and Agriculture Organization of the United Nations and published by Food & Agriculture Org.. This book was released on 2006 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soils are affected by human activities, such as industrial, municipal and agriculture, that often result in soil degradation and loss. In order to prevent soil degradation and to rehabilitate the potentials of degraded soils, reliable soil data are the most important prerequisites for the design of appropriate land-use systems and soil management practices as well as for a better understanding of the environment. The availability of reliable information on soil morphology and other characteristics obtained through examination and description of the soil in the field is essential, and the use of a common language is of prime importance. These guidelines, based on the latest internationally accepted systems and classifications, provide a complete procedure for soil description and for collecting field data. To help beginners, some explanatory notes are included as well as keys based on simple test and observations.--Publisher's description.
Author :Unesco. International Scientific Committee for the Drafting of a General History of Africa Publisher :Univ of California Press ISBN 13 :9780520067035 Total Pages :1076 pages Book Rating :4.0/5 (67 download)
Book Synopsis Africa Since 1935 by : Unesco. International Scientific Committee for the Drafting of a General History of Africa
Download or read book Africa Since 1935 written by Unesco. International Scientific Committee for the Drafting of a General History of Africa and published by Univ of California Press. This book was released on 1999 with total page 1076 pages. Available in PDF, EPUB and Kindle. Book excerpt: The hardcover edition of volume 8 was published in 1994. This paperback edition is the eighth and final volume to be published in the UNESCO General History of Africa. Volume 8 examines the period from 1935 to the present, and details the role of African states in the Second World War and the rise of postwar Africa. This is one of the most important books in the entire series, and as such, it is an unabridged paperback.
Book Synopsis Chemistry: The Impure Science (2nd Edition) by : Jonathan Simon
Download or read book Chemistry: The Impure Science (2nd Edition) written by Jonathan Simon and published by World Scientific. This book was released on 2012-06-26 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: What do you associate with chemistry? Explosions, innovative materials, plastics, pollution? The public's confused and contradictory conception of chemistry as basic science, industrial producer and polluter contributes to what we present in this book as chemistry's image as an impure science. Historically, chemistry has always been viewed as impure both in terms of its academic status and its role in transforming modern society. While exploring the history of this science we argue for a characteristic philosophical approach that distinguishes chemistry from physics. This reflection leads us to a philosophical stance that we characterise as operational realism. In this new expanded edition we delve deeper into the questions of properties and potentials that are so important for this philosophy that is based on the manipulation of matter rather than the construction of theories./a
Book Synopsis Quaternary Vegetation Dynamics by : Jürgen Runge
Download or read book Quaternary Vegetation Dynamics written by Jürgen Runge and published by CRC Press. This book was released on 2021-11-28 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book celebrates the relaunch of the African Pollen Database, presents state-of-the-art of modern and ancient pollen data from sub-Saharan Africa, and promotes Open Access science. Pollen grains are powerful tools for the study of past vegetation dynamics because they preserve well within sedimentary deposits and have a huge diversity in ornamentation that allows different taxa to be determined. The reconstruction of past vegetation from the examination of ancient pollen records thus can be used to characterize the nature of past landscapes (e.g. abundance of forests vs. grasslands), provide insights into changes in biodiversity, and gain empirical evidence of vegetation response to climatic change and human activity. In this, the 35th Volume of "Palaeoecology of Africa", we bring together new data and extensive synthetic reviews to provide novel insights into the relationships between human evolution, human activity, climate change and vegetation dynamics during the Quaternary, the last 2.6 million years. Current and ongoing climate and land-use change is exerting pressure on modern vegetation formations and threatening the livelihoods and wellbeing of many peoples in Africa. In this book the focus is on the Quaternary because it is during this geological period that the modern vegetation formations developed into their current configurations against a backdrop of high magnitude global climate change (glacial-interglacial cycles), human evolution, and a growing human land-use footprint. In this book the latest information is presented and collated from around the African continent to parameterize past vegetation states, identify the drivers of vegetation change, and assess the vegetation resilience to change. To achieve this research from two broad themes are covered: (i) the present is the key to the past (i.e. studies which improve our understanding of modern environments so that we can better interpret evidence from the past), and (ii) the past is the key to the future (i.e. studies which unlock information on how and why vegetation changed in the past so one can better anticipate trajectories of future change). This Open Access book will provide a strong foundation for future research exploring past ecological, environmental and climatic change within Africa and the surrounding islands. The book is organized regionally (covering western, eastern, central, and southern Africa) and it contains specialized articles focused on particular topics (such as modern pollen-vegetation relationships and fire as a driver of vegetation change), as well as regional and pan-African syntheses drawing together decades of research to assess key scientific questions (including the role of climate in driving vegetation change and the role of vegetation change in human evolution). These articles will be useful to students and teachers from high school to the highest level of university who are interested in the origins and dynamics of vegetation in Africa. Furthermore, it is also meant to provide societally relevant information that can act as an inspiration for the development of sustainable management practices for the future.
Book Synopsis Tropical Soils by : Edward Carl Julius Mohr
Download or read book Tropical Soils written by Edward Carl Julius Mohr and published by . This book was released on 1954 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Collected Papers on Philosophy of Chemistry by : Eric R. Scerri
Download or read book Collected Papers on Philosophy of Chemistry written by Eric R. Scerri and published by World Scientific. This book was released on 2008 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book represents a collection of papers from one of the founders of the new Philosophy of Chemistry. It is only the second single-author collection of papers on the Philosophy of Chemistry.The author is the editor-in-chief of Foundations of Chemistry, the leading journal in the field. He has recently gained worldwide success with his book on the periodic table of the elements titled The Periodic Table: Its Story and Its Significance. This volume provides an in-depth examination of his more philosophical and historical work in this area and further afield.
Author :tucson Symposium on the use of analog and digital computers in hydrology Publisher : ISBN 13 : Total Pages : pages Book Rating :4.:/5 (966 download)
Book Synopsis The Use of Analog and Digital Computers in Hydrology: Proceedings of the Tucson Symposium by : tucson Symposium on the use of analog and digital computers in hydrology
Download or read book The Use of Analog and Digital Computers in Hydrology: Proceedings of the Tucson Symposium written by tucson Symposium on the use of analog and digital computers in hydrology and published by . This book was released on 1969 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Introductory Solid State Physics by : H.P. Myers
Download or read book Introductory Solid State Physics written by H.P. Myers and published by CRC Press. This book was released on 1997-04-26 with total page 591 pages. Available in PDF, EPUB and Kindle. Book excerpt: Assuming an elementary knowledge of quantum and statistical physics, this book provides a comprehensive guide to principal physical properties of condensed matter, as well as the underlying theory necessary for a proper understanding of their origins. The subject matter covers the principal features of condensed matter physics, but with particular accent on the properties of metal alloys. Relevance to technical applications is recognized.
Download or read book Glass Science written by R. H. Doremus and published by Wiley-Interscience. This book was released on 1994-04 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This Second Edition of Robert H. Doremus's classic, Glass Science, has been extensively revised and updated to reflect recent advances, while retaining the pedagogical structure that made its predecessor a superb tool for both teaching and professional research. Special emphasis is placed on areas of research that have been particularly active in recent years. Two new chapters have been added: one covers chemical durability [the reaction of glass with water], which includes recent work related to corrosion of glass and radioactive waste disposal: the other concerns the reaction of gasses with glass, especially oxygen. Other new or expanded discussions cover recent advances in the structure of glass, zirconium fluoride glasses, and electrical conductivity of glass.".
Book Synopsis Ceramics, Glass and Glass-Ceramics by : Francesco Baino
Download or read book Ceramics, Glass and Glass-Ceramics written by Francesco Baino and published by Springer Nature. This book was released on 2021-10-22 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a state-of-the-art overview of the major aspects involved in the science, technology and applications of ceramics, glasses and glass-ceramics. After providing an historical perspective of the development and use of ceramics and glasses along the Silk Road, the theoretical background and fabrication techniques of such materials are described and discussed. A special focus is dedicated to emerging high-tech applications in various fields, including medicine, energy, optics and photonics, sensors, sustainability and circular economy. The chapters are written by leading experts in their respective fields and highlight the contemporary challenges associated to each topic. This book will serve as a valuable reference for both early-stage and skilled researchers as well as industry professionals interested in the broad field of glasses and ceramics.
Book Synopsis Modélisation chimico-mécanique du comportrement des bétons affectés par la réaction d'alcali-silice by : Kefei Li
Download or read book Modélisation chimico-mécanique du comportrement des bétons affectés par la réaction d'alcali-silice written by Kefei Li and published by LCPC. This book was released on 2004 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: Face à la demande réelle d'une maintenance des ouvrages d'art en béton affectés par la réaction d'alcali-silice, ces travaux de thèse présentent, d'une part, une modélisation mécanique du gonflement du matériau induit par la formation des produits de réaction alcali-silice et, d'autre part, une méthode d'expertise des structures réellement touchées. La modélisation du comportement du matériau nécessite de préciser deux aspects fondamentaux : la cinétique de formation des produits et la réponse mécanique à cette formation interne. Issus de la thermodynamique du béton en tant que système chimico-mécanique, l'avancement chimique de réaction et la réponse mécanique se trouvent dans la même description. Sur le plan chimique, l'expansion des produits de réaction - que nous désignerons sous le terme " gel " - est d'abord représentée par l'avancement de la réaction de formation d'un gel simple, et puis divisée en deux sous-processus : la formation du gel et son vieillissement en fonction des conditions hydriques. Quant à la réponse mécanique du matériau, le béton est premièrement supposé élastique et puis élastoplastique. Les deux aspects - chimiques et mécaniques - étant traités, on aborde alors l'expertise numérique des structures affectées, dans le contexte du traitement des ouvrages d'art concernés dont proviennent les données nécessaires à l'analyse. En traitant ces données au niveau d'une structure ainsi qu'au niveau d'une carotte extraite, le calibrage des modèles chimico-mécaniques est formulé sous la forme d'un problème inverse, qui est scindé en deux sous-problèmes vis-à-vis des données analysées. Le calibrage est achevé par la proposition d'un algorithme et de son critère de convergence. Une méthode numérique d'expertise est ainsi disponible, représentant une partie essentielle de la méthodologie globale de traitement des structures. Cette méthode est appliquée à des cas réels d'ouvrages affectés : un pylône en béton armé d'un pont suspendu en France et une pile en béton armé d'un pont métallique en Afrique équatoriale.
Download or read book Munsell soil color charts written by and published by . This book was released on 1990 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Apports combinés de l'expérimentation et de la modélisation à la compréhension de l'alcali-réaction et de ses effets mécaniques by : Catherine Larive
Download or read book Apports combinés de l'expérimentation et de la modélisation à la compréhension de l'alcali-réaction et de ses effets mécaniques written by Catherine Larive and published by . This book was released on 1998 with total page 305 pages. Available in PDF, EPUB and Kindle. Book excerpt: CE TRAVAIL ALLIE UNE APPROCHE THEORIQUE, BASEE SUR LA MECANIQUE DES MILIEUX POREUX CONTINUS, A UNE APPROCHE EXPERIMENTALE IMPORTANTE, AFIN DE MIEUX COMPRENDRE L'ALCALI-REACTION. L'INTERET DE LA MODELISATION SE MANIFESTE DES LA CONCEPTION DU PROGRAMME D'ESSAIS, EN ORIENTANT LE CHOIX DES PRINCIPAUX PARAMETRES - APPORTS D'EAU, TEMPERATURE ET CONTRAINTE - ET EN INDUISANT UNE METHODOLOGIE D'ETUDE QUI ETABLIT UN PARALLELE ENTRE LES EFFETS MACROSCOPIQUES ET LES CAUSES MICROSCOPIQUES DE L'ALCALI-REACTION. LE VOLET EXPERIMENTAL A PORTE SUR LES DEFORMATIONS, FISSURATION, VARIATIONS DE POIDS ET CARACTERISTIQUES MECANIQUES DE SIX CENTS EPROUVETTES EN GONFLEMENT LIBRE OU SOUS CONTRAINTE UNIAXIALE. PARALLELEMENT, L'EVOLUTION DE LA MICROSTRUCTURE DU MATERIAU A ETE ETUDIEE PAR DIFFERENTES TECHNIQUES : MICROSCOPIE ELECTRONIQUE A BALAYAGE, VISUALISATION DES PRODUITS DE REACTION PAR FLUORESCENCE DES IONS URANYLE, CALCULS MINERALOGIQUES. LES PRINCIPAUX RESULTATS EXPERIMENTAUX SONT : _ L'ABSENCE DE COUPLAGE ENTRE L'ETAT DE CONTRAINTE ET LES PROCESSUS PHYSICO-CHIMIQUES CONSTITUANT L'ALCALI-REACTION, _ LA QUANTIFICATION DE L'HETEROGENEITE INTRINSEQUE ET DE L'EVOLUTION DES CARACTERISTIQUES MECANIQUES, _ L'EXPLICATION DE L'ORIGINE DE L'ANISOTROPIE DU GONFLEMENT LIBRE ET DE LA FORME SIGMOIDALE DES COURBES DE GONFLEMENT, _ LE CARACTERE SECONDAIRE DES PHENOMENES DE NATURE OSMOTIQUE, A L'ECHELLE MACROSCOPIQUE, _ LE ROLE PREPONDERANT DE LA QUANTITE D'EAU DISPONIBLE AU MOMENT DE LA FORMATION DES PRODUITS DE REACTION, ET DES PHENOMENES DE TRANSPORT, A LA FOIS SUR L'AMPLITUDE ET LA CINETIQUE DES DEFORMATIONS, _ L'EXISTENCE D'UN SEUIL DE DESSICCATION SOUS LEQUEL L'ALCALI-REACTION EST BLOQUEE, _ L'EXISTENCE D'UNE PERIODE DE LATENCE DURANT LAQUELLE LES DEFORMATIONS SONT LENTES ET DONT LA DUREE DEPEND FORTEMENT DE LA TEMPERATURE. CES RESULTATS ONT PERMIS D'IDENTIFIER LES PARAMETRES D'UNE LOI DE COMPORTEMENT DECRIVANT L'EVOLUTION D'UNE EPROUVETTE EN GONFLEMENT LIBRE.
Book Synopsis The Alkali-Silica Reaction in Concrete by : R N Swamy
Download or read book The Alkali-Silica Reaction in Concrete written by R N Swamy and published by CRC Press. This book was released on 1991-09-01 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reviews the fundamental causes and spectrum effects of ASR. It considers he advances that have been made in our understanding of this problem throughout the world.
